/*
 * Copyright (C) 2009 Google Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *
 *     * Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above
 * copyright notice, this list of conditions and the following disclaimer
 * in the documentation and/or other materials provided with the
 * distribution.
 *     * Neither the name of Google Inc. nor the names of its
 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

// How ownership works
// -------------------
//
// Big oh represents a refcounted relationship: owner O--- ownee
//
// WebView (for the toplevel frame only)
//    O
//    |           WebFrame
//    |              O
//    |              |
//   Page O------- LocalFrame (main_frame_) O-------O LocalFrameView
//                   ||
//                   ||
//               FrameLoader
//
// FrameLoader and LocalFrame are formerly one object that was split apart
// because it got too big. They basically have the same lifetime, hence the
// double line.
//
// From the perspective of the embedder, WebFrame is simply an object that it
// allocates by calling WebFrame::create() and must be freed by calling close().
// Internally, WebFrame is actually refcounted and it holds a reference to its
// corresponding LocalFrame in blink.
//
// Oilpan: the middle objects + Page in the above diagram are Oilpan heap
// allocated, WebView and LocalFrameView are currently not. In terms of
// ownership and control, the relationships stays the same, but the references
// from the off-heap WebView to the on-heap Page is handled by a Persistent<>,
// not a scoped_refptr<>. Similarly, the mutual strong references between the
// on-heap LocalFrame and the off-heap LocalFrameView is through a RefPtr (from
// LocalFrame to LocalFrameView), and a Persistent refers to the LocalFrame in
// the other direction.
//
// From the embedder's point of view, the use of Oilpan brings no changes.
// close() must still be used to signal that the embedder is through with the
// WebFrame.  Calling it will bring about the release and finalization of the
// frame object, and everything underneath.
//
// How frames are destroyed
// ------------------------
//
// The main frame is never destroyed and is re-used. The FrameLoader is re-used
// and a reference to the main frame is kept by the Page.
//
// When frame content is replaced, all subframes are destroyed. This happens
// in Frame::detachChildren for each subframe in a pre-order depth-first
// traversal. Note that child node order may not match DOM node order!
// detachChildren() (virtually) calls Frame::detach(), which again calls
// LocalFrameClient::detached(). This triggers WebFrame to clear its reference
// to LocalFrame. LocalFrameClient::detached() also notifies the embedder via
// WebFrameClient that the frame is detached. Most embedders will invoke
// close() on the WebFrame at this point, triggering its deletion unless
// something else is still retaining a reference.
//
// The client is expected to be set whenever the WebLocalFrameImpl is attached
// to the DOM.

#include "core/frame/WebLocalFrameImpl.h"

#include <algorithm>
#include <memory>
#include <set>
#include <utility>

#include "base/macros.h"
#include "bindings/core/v8/BindingSecurity.h"
#include "bindings/core/v8/ExceptionState.h"
#include "bindings/core/v8/ScriptController.h"
#include "bindings/core/v8/ScriptSourceCode.h"
#include "bindings/core/v8/ScriptValue.h"
#include "bindings/core/v8/SourceLocation.h"
#include "bindings/core/v8/V8BindingForCore.h"
#include "bindings/core/v8/V8GCController.h"
#include "build/build_config.h"
#include "core/dom/Document.h"
#include "core/dom/IconURL.h"
#include "core/dom/Node.h"
#include "core/dom/NodeTraversal.h"
#include "core/dom/ShadowRoot.h"
#include "core/dom/UserGestureIndicator.h"
#include "core/editing/EditingUtilities.h"
#include "core/editing/Editor.h"
#include "core/editing/EphemeralRange.h"
#include "core/editing/FrameSelection.h"
#include "core/editing/PlainTextRange.h"
#include "core/editing/SelectionTemplate.h"
#include "core/editing/SetSelectionOptions.h"
#include "core/editing/TextAffinity.h"
#include "core/editing/VisiblePosition.h"
#include "core/editing/finder/FindInPageCoordinates.h"
#include "core/editing/finder/TextFinder.h"
#include "core/editing/ime/ImeTextSpanVectorBuilder.h"
#include "core/editing/ime/InputMethodController.h"
#include "core/editing/iterators/TextIterator.h"
#include "core/editing/markers/DocumentMarkerController.h"
#include "core/editing/serializers/Serialization.h"
#include "core/editing/spellcheck/SpellChecker.h"
#include "core/exported/LocalFrameClientImpl.h"
#include "core/exported/SharedWorkerRepositoryClientImpl.h"
#include "core/exported/WebAssociatedURLLoaderImpl.h"
#include "core/exported/WebDevToolsAgentImpl.h"
#include "core/exported/WebDocumentLoaderImpl.h"
#include "core/exported/WebPluginContainerImpl.h"
#include "core/exported/WebRemoteFrameImpl.h"
#include "core/exported/WebViewImpl.h"
#include "core/frame/Deprecation.h"
#include "core/frame/FrameConsole.h"
#include "core/frame/LocalDOMWindow.h"
#include "core/frame/LocalFrameView.h"
#include "core/frame/PageScaleConstraintsSet.h"
#include "core/frame/PausableScriptExecutor.h"
#include "core/frame/PausableTask.h"
#include "core/frame/RemoteFrame.h"
#include "core/frame/RemoteFrameOwner.h"
#include "core/frame/ScreenOrientationController.h"
#include "core/frame/Settings.h"
#include "core/frame/SmartClip.h"
#include "core/frame/UseCounter.h"
#include "core/frame/VisualViewport.h"
#include "core/frame/WebFrameWidgetImpl.h"
#include "core/html/HTMLAnchorElement.h"
#include "core/html/HTMLCollection.h"
#include "core/html/HTMLFrameElementBase.h"
#include "core/html/HTMLFrameOwnerElement.h"
#include "core/html/HTMLHeadElement.h"
#include "core/html/HTMLImageElement.h"
#include "core/html/HTMLLinkElement.h"
#include "core/html/PluginDocument.h"
#include "core/html/forms/HTMLFormElement.h"
#include "core/html/forms/HTMLInputElement.h"
#include "core/html_names.h"
#include "core/input/ContextMenuAllowedScope.h"
#include "core/input/EventHandler.h"
#include "core/inspector/ConsoleMessage.h"
#include "core/layout/HitTestResult.h"
#include "core/layout/LayoutEmbeddedContent.h"
#include "core/layout/LayoutObject.h"
#include "core/layout/LayoutView.h"
#include "core/loader/DocumentLoader.h"
#include "core/loader/FrameLoadRequest.h"
#include "core/loader/FrameLoader.h"
#include "core/loader/HistoryItem.h"
#include "core/loader/MixedContentChecker.h"
#include "core/loader/NavigationScheduler.h"
#include "core/messaging/MessagePort.h"
#include "core/page/ContextMenuController.h"
#include "core/page/FocusController.h"
#include "core/page/FrameTree.h"
#include "core/page/Page.h"
#include "core/page/PrintContext.h"
#include "core/paint/PaintLayer.h"
#include "core/paint/TransformRecorder.h"
#include "core/timing/DOMWindowPerformance.h"
#include "core/timing/WindowPerformance.h"
#include "platform/WebFrameScheduler.h"
#include "platform/bindings/DOMWrapperWorld.h"
#include "platform/bindings/ScriptForbiddenScope.h"
#include "platform/bindings/V8PerIsolateData.h"
#include "platform/clipboard/ClipboardUtilities.h"
#include "platform/fonts/FontCache.h"
#include "platform/graphics/Color.h"
#include "platform/graphics/GraphicsContext.h"
#include "platform/graphics/GraphicsLayerClient.h"
#include "platform/graphics/paint/ClipRecorder.h"
#include "platform/graphics/paint/DrawingRecorder.h"
#include "platform/graphics/paint/PaintRecordBuilder.h"
#include "platform/graphics/paint/ScopedPaintChunkProperties.h"
#include "platform/graphics/skia/SkiaUtils.h"
#include "platform/heap/Handle.h"
#include "platform/instrumentation/tracing/TraceEvent.h"
#include "platform/loader/fetch/FetchContext.h"
#include "platform/loader/fetch/ResourceFetcher.h"
#include "platform/loader/fetch/ResourceRequest.h"
#include "platform/loader/fetch/SubstituteData.h"
#include "platform/scroll/ScrollTypes.h"
#include "platform/scroll/ScrollbarTheme.h"
#include "platform/weborigin/KURL.h"
#include "platform/weborigin/SchemeRegistry.h"
#include "platform/weborigin/SecurityPolicy.h"
#include "platform/wtf/HashMap.h"
#include "platform/wtf/PtrUtil.h"
#include "platform/wtf/Time.h"
#include "public/platform/InterfaceRegistry.h"
#include "public/platform/TaskType.h"
#include "public/platform/WebDoubleSize.h"
#include "public/platform/WebFloatPoint.h"
#include "public/platform/WebFloatRect.h"
#include "public/platform/WebLayer.h"
#include "public/platform/WebPoint.h"
#include "public/platform/WebRect.h"
#include "public/platform/WebSecurityOrigin.h"
#include "public/platform/WebSize.h"
#include "public/platform/WebURLError.h"
#include "public/platform/WebURLLoaderFactory.h"
#include "public/platform/WebVector.h"
#include "public/web/WebAssociatedURLLoaderOptions.h"
#include "public/web/WebAutofillClient.h"
#include "public/web/WebConsoleMessage.h"
#include "public/web/WebDOMEvent.h"
#include "public/web/WebDocument.h"
#include "public/web/WebFindOptions.h"
#include "public/web/WebFormElement.h"
#include "public/web/WebFrameClient.h"
#include "public/web/WebFrameOwnerProperties.h"
#include "public/web/WebHistoryItem.h"
#include "public/web/WebIconURL.h"
#include "public/web/WebInputElement.h"
#include "public/web/WebKit.h"
#include "public/web/WebNode.h"
#include "public/web/WebPerformance.h"
#include "public/web/WebPlugin.h"
#include "public/web/WebPrintParams.h"
#include "public/web/WebPrintPresetOptions.h"
#include "public/web/WebRange.h"
#include "public/web/WebScriptSource.h"
#include "public/web/WebSerializedScriptValue.h"
#include "public/web/WebTextDirection.h"
#include "public/web/WebTreeScopeType.h"

namespace blink {

static int g_frame_count = 0;

namespace {

HeapVector<ScriptSourceCode> CreateSourcesVector(
    const WebScriptSource* sources_in,
    unsigned num_sources) {
  HeapVector<ScriptSourceCode> sources;
  sources.Append(sources_in, num_sources);
  return sources;
}

}  // namespace

// Simple class to override some of PrintContext behavior. Some of the methods
// made virtual so that they can be overridden by ChromePluginPrintContext.
class ChromePrintContext : public PrintContext {
 public:
  ChromePrintContext(LocalFrame* frame, bool use_printing_layout)
      : PrintContext(frame, use_printing_layout), printed_page_width_(0) {}

  ~ChromePrintContext() override = default;

  virtual void BeginPrintMode(float width, float height) {
    DCHECK(!printed_page_width_);
    printed_page_width_ = width;
    printed_page_height_ = height;
    PrintContext::BeginPrintMode(printed_page_width_, height);
  }

  virtual float GetPageShrink(int page_number) const {
    IntRect page_rect = page_rects_[page_number];
    return printed_page_width_ / page_rect.Width();
  }

  float SpoolSinglePage(WebCanvas* canvas, int page_number) {
    DispatchEventsForPrintingOnAllFrames();
    if (!GetFrame()->GetDocument() ||
        !GetFrame()->GetDocument()->GetLayoutView())
      return 0;

    GetFrame()->View()->UpdateLifecyclePhasesForPrinting();
    if (!GetFrame()->GetDocument() ||
        !GetFrame()->GetDocument()->GetLayoutView())
      return 0;

    // The page rect gets scaled and translated, so specify the entire
    // print content area here as the recording rect.
    IntRect bounds(0, 0, printed_page_height_, printed_page_width_);
    PaintRecordBuilder builder(&canvas->getMetaData());
    builder.Context().SetPrinting(true);
    builder.Context().BeginRecording(bounds);
    float scale = SpoolPage(builder.Context(), page_number);
    canvas->drawPicture(builder.Context().EndRecording());
    return scale;
  }

  void SpoolAllPagesWithBoundariesForTesting(
      WebCanvas* canvas,
      const FloatSize& page_size_in_pixels) {
    DispatchEventsForPrintingOnAllFrames();
    if (!GetFrame()->GetDocument() ||
        !GetFrame()->GetDocument()->GetLayoutView())
      return;

    GetFrame()->View()->UpdateLifecyclePhasesForPrinting();
    if (!GetFrame()->GetDocument() ||
        !GetFrame()->GetDocument()->GetLayoutView())
      return;

    ComputePageRects(page_size_in_pixels);

    const float page_width = page_size_in_pixels.Width();
    size_t num_pages = PageRects().size();
    int total_height = num_pages * (page_size_in_pixels.Height() + 1) - 1;
    IntRect all_pages_rect(0, 0, page_width, total_height);

    PaintRecordBuilder builder(&canvas->getMetaData());
    GraphicsContext& context = builder.Context();
    context.SetPrinting(true);
    context.BeginRecording(all_pages_rect);

    // Fill the whole background by white.
    context.FillRect(all_pages_rect, Color::kWhite);

    int current_height = 0;
    for (size_t page_index = 0; page_index < num_pages; page_index++) {
      // Draw a line for a page boundary if this isn't the first page.
      if (page_index > 0) {
        context.Save();
        context.SetStrokeThickness(1);
        context.SetStrokeColor(Color(0, 0, 255));
        context.DrawLine(IntPoint(0, current_height - 1),
                         IntPoint(page_width, current_height - 1));
        context.Restore();
      }

      AffineTransform transform;
      transform.Translate(0, current_height);
#if defined(OS_WIN) || defined(OS_MACOSX)
      // Account for the disabling of scaling in spoolPage. In the context of
      // SpoolAllPagesWithBoundariesForTesting the scale HAS NOT been
      // pre-applied.
      float scale = GetPageShrink(page_index);
      transform.Scale(scale, scale);
#endif
      context.Save();
      context.ConcatCTM(transform);

      SpoolPage(context, page_index);

      context.Restore();

      current_height += page_size_in_pixels.Height() + 1;
    }
    canvas->drawPicture(context.EndRecording());
  }

 protected:
  // Spools the printed page, a subrect of frame(). Skip the scale step.
  // NativeTheme doesn't play well with scaling. Scaling is done browser side
  // instead. Returns the scale to be applied.
  // On Linux, we don't have the problem with NativeTheme, hence we let WebKit
  // do the scaling and ignore the return value.
  virtual float SpoolPage(GraphicsContext& context, int page_number) {
    IntRect page_rect = page_rects_[page_number];
    float scale = printed_page_width_ / page_rect.Width();

    AffineTransform transform;
#if defined(OS_POSIX) && !defined(OS_MACOSX)
    transform.Scale(scale);
#endif
    transform.Translate(static_cast<float>(-page_rect.X()),
                        static_cast<float>(-page_rect.Y()));
    context.Save();
    context.ConcatCTM(transform);
    context.ClipRect(page_rect);

    auto* frame_view = GetFrame()->View();
    DCHECK(frame_view);
    PropertyTreeState property_tree_state = PropertyTreeState::Root();
    if (RuntimeEnabledFeatures::SlimmingPaintV175Enabled()) {
      if (RuntimeEnabledFeatures::RootLayerScrollingEnabled()) {
        property_tree_state = frame_view->GetLayoutView()
                                  ->FirstFragment()
                                  .LocalBorderBoxProperties();
      } else {
        property_tree_state = frame_view->PreContentClipProperties();
      }
    }

    PaintRecordBuilder builder(&context.Canvas()->getMetaData(), &context);

    frame_view->PaintContents(builder.Context(), kGlobalPaintNormalPhase,
                              page_rect);
    {
      Optional<ScopedPaintChunkProperties> scoped_paint_chunk_properties;
      if (RuntimeEnabledFeatures::SlimmingPaintV175Enabled()) {
        scoped_paint_chunk_properties.emplace(
            builder.Context().GetPaintController(), property_tree_state,
            builder, DisplayItem::kPrintedContentDestinationLocations);
      }

      DrawingRecorder line_boundary_recorder(
          builder.Context(), builder,
          DisplayItem::kPrintedContentDestinationLocations);
      OutputLinkedDestinations(builder.Context(), page_rect);
    }

    context.DrawRecord(builder.EndRecording(property_tree_state));

    context.Restore();

    return scale;
  }

 private:
  void DispatchEventsForPrintingOnAllFrames() {
    HeapVector<Member<Document>> documents;
    for (Frame* current_frame = GetFrame(); current_frame;
         current_frame = current_frame->Tree().TraverseNext(GetFrame())) {
      if (current_frame->IsLocalFrame())
        documents.push_back(ToLocalFrame(current_frame)->GetDocument());
    }

    for (auto& doc : documents)
      doc->DispatchEventsForPrinting();
  }

  // Set when printing.
  float printed_page_width_;
  float printed_page_height_;

  DISALLOW_COPY_AND_ASSIGN(ChromePrintContext);
};

// Simple class to override some of PrintContext behavior. This is used when
// the frame hosts a plugin that supports custom printing. In this case, we
// want to delegate all printing related calls to the plugin.
class ChromePluginPrintContext final : public ChromePrintContext {
 public:
  ChromePluginPrintContext(LocalFrame* frame,
                           WebPluginContainerImpl* plugin,
                           const WebPrintParams& print_params)
      : ChromePrintContext(frame, print_params.use_printing_layout),
        plugin_(plugin),
        print_params_(print_params) {}

  ~ChromePluginPrintContext() override = default;

  virtual void Trace(blink::Visitor* visitor) {
    visitor->Trace(plugin_);
    ChromePrintContext::Trace(visitor);
  }

  void BeginPrintMode(float width, float height) override {}

  void EndPrintMode() override { plugin_->PrintEnd(); }

  float GetPageShrink(int page_number) const override {
    // We don't shrink the page (maybe we should ask the widget ??)
    return 1.0;
  }

  void ComputePageRects(const FloatSize& print_size) override {
    IntRect rect(FloatRect(FloatPoint(0, 0), print_size));
    print_params_.print_content_area = rect;
    page_rects_.Fill(rect, plugin_->PrintBegin(print_params_));
  }

  void ComputePageRectsWithPageSize(
      const FloatSize& page_size_in_pixels) override {
    NOTREACHED();
  }

 protected:
  // Spools the printed page, a subrect of frame(). Skip the scale step.
  // NativeTheme doesn't play well with scaling. Scaling is done browser side
  // instead. Returns the scale to be applied.
  float SpoolPage(GraphicsContext& context, int page_number) override {
    PaintRecordBuilder builder(&context.Canvas()->getMetaData());
    plugin_->PrintPage(page_number, builder.Context());
    context.DrawRecord(builder.EndRecording());

    return 1.0;
  }

 private:
  // Set when printing.
  Member<WebPluginContainerImpl> plugin_;
  WebPrintParams print_params_;
};

static WebDocumentLoader* DocumentLoaderForDocLoader(DocumentLoader* loader) {
  return loader ? WebDocumentLoaderImpl::FromDocumentLoader(loader) : nullptr;
}

// WebFrame -------------------------------------------------------------------

int WebFrame::InstanceCount() {
  return g_frame_count;
}

WebLocalFrame* WebLocalFrame::FrameForCurrentContext() {
  v8::Local<v8::Context> context =
      v8::Isolate::GetCurrent()->GetCurrentContext();
  if (context.IsEmpty())
    return nullptr;
  return FrameForContext(context);
}

WebLocalFrame* WebLocalFrame::FrameForContext(v8::Local<v8::Context> context) {
  return WebLocalFrameImpl::FromFrame(ToLocalFrameIfNotDetached(context));
}

WebLocalFrame* WebLocalFrame::FromFrameOwnerElement(const WebElement& element) {
  return WebLocalFrameImpl::FromFrameOwnerElement(element);
}

bool WebLocalFrameImpl::IsWebLocalFrame() const {
  return true;
}

WebLocalFrame* WebLocalFrameImpl::ToWebLocalFrame() {
  return this;
}

bool WebLocalFrameImpl::IsWebRemoteFrame() const {
  return false;
}

WebRemoteFrame* WebLocalFrameImpl::ToWebRemoteFrame() {
  NOTREACHED();
  return nullptr;
}

void WebLocalFrameImpl::Close() {
  WebLocalFrame::Close();

  client_ = nullptr;

  if (dev_tools_agent_)
    dev_tools_agent_.Clear();

  self_keep_alive_.Clear();

  if (print_context_)
    PrintEnd();
#if DCHECK_IS_ON()
  is_in_printing_ = false;
#endif
}

WebString WebLocalFrameImpl::AssignedName() const {
  return GetFrame()->Tree().GetName();
}

void WebLocalFrameImpl::SetName(const WebString& name) {
  GetFrame()->Tree().SetName(name, FrameTree::kReplicate);
}

WebVector<WebIconURL> WebLocalFrameImpl::IconURLs(int icon_types_mask) const {
  // The URL to the icon may be in the header. As such, only
  // ask the loader for the icon if it's finished loading.
  if (GetFrame()->GetDocument()->LoadEventFinished())
    return GetFrame()->GetDocument()->IconURLs(icon_types_mask);
  return WebVector<WebIconURL>();
}

void WebLocalFrameImpl::SetContentSettingsClient(
    WebContentSettingsClient* client) {
  content_settings_client_.SetClient(client);
}

void WebLocalFrameImpl::SetSharedWorkerRepositoryClient(
    WebSharedWorkerRepositoryClient* client) {
  shared_worker_repository_client_ =
      SharedWorkerRepositoryClientImpl::Create(client);
}

ScrollableArea* WebLocalFrameImpl::LayoutViewportScrollableArea() const {
  if (LocalFrameView* view = GetFrameView())
    return view->LayoutViewportScrollableArea();
  return nullptr;
}

bool WebLocalFrameImpl::IsFocused() const {
  if (!ViewImpl() || !ViewImpl()->GetPage())
    return false;

  return this ==
         WebFrame::FromFrame(
             ViewImpl()->GetPage()->GetFocusController().FocusedFrame());
}

WebSize WebLocalFrameImpl::GetScrollOffset() const {
  if (ScrollableArea* scrollable_area = LayoutViewportScrollableArea())
    return scrollable_area->ScrollOffsetInt();
  return WebSize();
}

void WebLocalFrameImpl::SetScrollOffset(const WebSize& offset) {
  if (ScrollableArea* scrollable_area = LayoutViewportScrollableArea()) {
    scrollable_area->SetScrollOffset(ScrollOffset(offset.width, offset.height),
                                     kProgrammaticScroll);
  }
}

WebSize WebLocalFrameImpl::DocumentSize() const {
  if (!GetFrameView() || !GetFrameView()->GetLayoutView())
    return WebSize();

  return GetFrameView()->GetLayoutView()->DocumentRect().Size();
}

bool WebLocalFrameImpl::HasVisibleContent() const {
  auto* layout_object = GetFrame()->OwnerLayoutObject();
  if (layout_object &&
      layout_object->StyleRef().Visibility() != EVisibility::kVisible) {
    return false;
  }

  if (LocalFrameView* view = GetFrameView())
    return view->VisibleWidth() > 0 && view->VisibleHeight() > 0;
  return false;
}

WebRect WebLocalFrameImpl::VisibleContentRect() const {
  if (LocalFrameView* view = GetFrameView())
    return view->LayoutViewportScrollableArea()->VisibleContentRect();
  return WebRect();
}

WebView* WebLocalFrameImpl::View() const {
  return ViewImpl();
}

WebDocument WebLocalFrameImpl::GetDocument() const {
  if (!GetFrame() || !GetFrame()->GetDocument())
    return WebDocument();
  return WebDocument(GetFrame()->GetDocument());
}

WebPerformance WebLocalFrameImpl::Performance() const {
  if (!GetFrame())
    return WebPerformance();
  return WebPerformance(
      DOMWindowPerformance::performance(*(GetFrame()->DomWindow())));
}

void WebLocalFrameImpl::DispatchUnloadEvent() {
  if (!GetFrame())
    return;
  SubframeLoadingDisabler disabler(GetFrame()->GetDocument());
  GetFrame()->Loader().DispatchUnloadEvent();
}

void WebLocalFrameImpl::ExecuteScript(const WebScriptSource& source) {
  DCHECK(GetFrame());
  v8::HandleScope handle_scope(ToIsolate(GetFrame()));
  GetFrame()->GetScriptController().ExecuteScriptInMainWorld(source);
}

void WebLocalFrameImpl::ExecuteScriptInIsolatedWorld(
    int world_id,
    const WebScriptSource* sources_in,
    unsigned num_sources) {
  DCHECK(GetFrame());
  CHECK_GT(world_id, 0);
  CHECK_LT(world_id, DOMWrapperWorld::kEmbedderWorldIdLimit);

  HeapVector<ScriptSourceCode> sources =
      CreateSourcesVector(sources_in, num_sources);
  v8::HandleScope handle_scope(ToIsolate(GetFrame()));
  GetFrame()->GetScriptController().ExecuteScriptInIsolatedWorld(
      world_id, sources, nullptr);
}

void WebLocalFrameImpl::SetIsolatedWorldSecurityOrigin(
    int world_id,
    const WebSecurityOrigin& security_origin) {
  DCHECK(GetFrame());
  DOMWrapperWorld::SetIsolatedWorldSecurityOrigin(
      world_id,
      security_origin.Get() ? security_origin.Get()->IsolatedCopy() : nullptr);
}

void WebLocalFrameImpl::SetIsolatedWorldContentSecurityPolicy(
    int world_id,
    const WebString& policy) {
  DCHECK(GetFrame());
  DOMWrapperWorld::SetIsolatedWorldContentSecurityPolicy(world_id, policy);
}

void WebLocalFrameImpl::SetIsolatedWorldHumanReadableName(
    int world_id,
    const WebString& human_readable_name) {
  DCHECK(GetFrame());
  DOMWrapperWorld::SetNonMainWorldHumanReadableName(world_id,
                                                    human_readable_name);
}

void WebLocalFrameImpl::AddMessageToConsole(const WebConsoleMessage& message) {
  DCHECK(GetFrame());

  MessageLevel web_core_message_level = kInfoMessageLevel;
  switch (message.level) {
    case WebConsoleMessage::kLevelVerbose:
      web_core_message_level = kVerboseMessageLevel;
      break;
    case WebConsoleMessage::kLevelInfo:
      web_core_message_level = kInfoMessageLevel;
      break;
    case WebConsoleMessage::kLevelWarning:
      web_core_message_level = kWarningMessageLevel;
      break;
    case WebConsoleMessage::kLevelError:
      web_core_message_level = kErrorMessageLevel;
      break;
  }

  MessageSource message_source = message.nodes.empty()
                                     ? kOtherMessageSource
                                     : kRecommendationMessageSource;
  Vector<DOMNodeId> nodes;
  for (const blink::WebNode& web_node : message.nodes)
    nodes.push_back(DOMNodeIds::IdForNode(&(*web_node)));
  ConsoleMessage* console_message = ConsoleMessage::Create(
      message_source, web_core_message_level, message.text,
      SourceLocation::Create(message.url, message.line_number,
                             message.column_number, nullptr));
  console_message->SetNodes(GetFrame(), std::move(nodes));
  GetFrame()->GetDocument()->AddConsoleMessage(console_message);
}

void WebLocalFrameImpl::CollectGarbage() {
  if (!GetFrame())
    return;
  if (!GetFrame()->GetSettings()->GetScriptEnabled())
    return;
  V8GCController::CollectGarbage(v8::Isolate::GetCurrent());
}

v8::Local<v8::Value> WebLocalFrameImpl::ExecuteScriptAndReturnValue(
    const WebScriptSource& source) {
  DCHECK(GetFrame());

  return GetFrame()
      ->GetScriptController()
      .ExecuteScriptInMainWorldAndReturnValue(source);
}

void WebLocalFrameImpl::RequestExecuteScriptAndReturnValue(
    const WebScriptSource& source,
    bool user_gesture,
    WebScriptExecutionCallback* callback) {
  DCHECK(GetFrame());

  scoped_refptr<DOMWrapperWorld> main_world = &DOMWrapperWorld::MainWorld();
  PausableScriptExecutor* executor = PausableScriptExecutor::Create(
      GetFrame(), std::move(main_world), CreateSourcesVector(&source, 1),
      user_gesture, callback);
  executor->Run();
}

void WebLocalFrameImpl::RequestExecuteV8Function(
    v8::Local<v8::Context> context,
    v8::Local<v8::Function> function,
    v8::Local<v8::Value> receiver,
    int argc,
    v8::Local<v8::Value> argv[],
    WebScriptExecutionCallback* callback) {
  DCHECK(GetFrame());
  PausableScriptExecutor::CreateAndRun(GetFrame(), ToIsolate(GetFrame()),
                                       context, function, receiver, argc, argv,
                                       callback);
}

void WebLocalFrameImpl::PostPausableTask(PausableTaskCallback callback) {
  DCHECK(GetFrame());
  Document* document = GetFrame()->GetDocument();
  DCHECK(document);
  PausableTask::Post(document, std::move(callback));
}

void WebLocalFrameImpl::ExecuteScriptInIsolatedWorld(
    int world_id,
    const WebScriptSource* sources_in,
    unsigned num_sources,
    WebVector<v8::Local<v8::Value>>* results) {
  DCHECK(GetFrame());
  CHECK_GT(world_id, 0);
  CHECK_LT(world_id, DOMWrapperWorld::kEmbedderWorldIdLimit);

  HeapVector<ScriptSourceCode> sources =
      CreateSourcesVector(sources_in, num_sources);

  if (results) {
    Vector<v8::Local<v8::Value>> script_results;
    GetFrame()->GetScriptController().ExecuteScriptInIsolatedWorld(
        world_id, sources, &script_results);
    WebVector<v8::Local<v8::Value>> v8_results(script_results.size());
    for (unsigned i = 0; i < script_results.size(); i++) {
      v8_results[i] =
          v8::Local<v8::Value>::New(ToIsolate(GetFrame()), script_results[i]);
    }
    results->Swap(v8_results);
  } else {
    v8::HandleScope handle_scope(ToIsolate(GetFrame()));
    GetFrame()->GetScriptController().ExecuteScriptInIsolatedWorld(
        world_id, sources, nullptr);
  }
}

void WebLocalFrameImpl::RequestExecuteScriptInIsolatedWorld(
    int world_id,
    const WebScriptSource* sources_in,
    unsigned num_sources,
    bool user_gesture,
    ScriptExecutionType option,
    WebScriptExecutionCallback* callback) {
  DCHECK(GetFrame());
  CHECK_GT(world_id, 0);
  CHECK_LT(world_id, DOMWrapperWorld::kEmbedderWorldIdLimit);

  scoped_refptr<DOMWrapperWorld> isolated_world =
      DOMWrapperWorld::EnsureIsolatedWorld(ToIsolate(GetFrame()), world_id);
  PausableScriptExecutor* executor = PausableScriptExecutor::Create(
      GetFrame(), std::move(isolated_world),
      CreateSourcesVector(sources_in, num_sources), user_gesture, callback);
  switch (option) {
    case kAsynchronousBlockingOnload:
      executor->RunAsync(PausableScriptExecutor::kOnloadBlocking);
      break;
    case kAsynchronous:
      executor->RunAsync(PausableScriptExecutor::kNonBlocking);
      break;
    case kSynchronous:
      executor->Run();
      break;
  }
}

v8::MaybeLocal<v8::Value> WebLocalFrameImpl::CallFunctionEvenIfScriptDisabled(
    v8::Local<v8::Function> function,
    v8::Local<v8::Value> receiver,
    int argc,
    v8::Local<v8::Value> argv[]) {
  DCHECK(GetFrame());
  return V8ScriptRunner::CallFunction(
      function, GetFrame()->GetDocument(), receiver, argc,
      static_cast<v8::Local<v8::Value>*>(argv), ToIsolate(GetFrame()));
}

v8::Local<v8::Context> WebLocalFrameImpl::MainWorldScriptContext() const {
  ScriptState* script_state = ToScriptStateForMainWorld(GetFrame());
  DCHECK(script_state);
  return script_state->GetContext();
}

v8::Local<v8::Object> WebLocalFrameImpl::GlobalProxy() const {
  return MainWorldScriptContext()->Global();
}

bool WebFrame::ScriptCanAccess(WebFrame* target) {
  return BindingSecurity::ShouldAllowAccessToFrame(
      CurrentDOMWindow(V8PerIsolateData::MainThreadIsolate()),
      ToCoreFrame(*target), BindingSecurity::ErrorReportOption::kDoNotReport);
}

void WebLocalFrameImpl::Reload(WebFrameLoadType load_type) {
  // TODO(clamy): Remove this function once RenderFrame calls load for all
  // requests.
  ReloadWithOverrideURL(NullURL(), load_type);
}

void WebLocalFrameImpl::ReloadWithOverrideURL(const WebURL& override_url,
                                              WebFrameLoadType load_type) {
  // TODO(clamy): Remove this function once RenderFrame calls load for all
  // requests.
  DCHECK(GetFrame());
  DCHECK(IsReloadLoadType(static_cast<FrameLoadType>(load_type)));
  WebURLRequest request = RequestForReload(load_type, override_url);
  if (request.IsNull())
    return;
  request.SetRequestorOrigin(
      WebSecurityOrigin(GetFrame()->GetDocument()->GetSecurityOrigin()));
  Load(request, load_type, WebHistoryItem(), kWebHistoryDifferentDocumentLoad,
       false, base::UnguessableToken::Create());
}

void WebLocalFrameImpl::ReloadImage(const WebNode& web_node) {
  const Node* node = web_node.ConstUnwrap<Node>();
  if (auto* image_element = ToHTMLImageElementOrNull(*node))
    image_element->ForceReload();
}

void WebLocalFrameImpl::ReloadLoFiImages() {
  GetFrame()->GetDocument()->Fetcher()->ReloadLoFiImages();
}

void WebLocalFrameImpl::LoadRequest(const WebURLRequest& request) {
  // TODO(clamy): Remove this function once RenderFrame calls load for all
  // requests.
  Load(request, WebFrameLoadType::kStandard, WebHistoryItem(),
       kWebHistoryDifferentDocumentLoad, false,
       base::UnguessableToken::Create());
}

void WebLocalFrameImpl::LoadHTMLString(const WebData& data,
                                       const WebURL& base_url,
                                       const WebURL& unreachable_url,
                                       bool replace) {
  DCHECK(GetFrame());
  LoadData(data, WebString::FromUTF8("text/html"), WebString::FromUTF8("UTF-8"),
           base_url, unreachable_url, replace, WebFrameLoadType::kStandard,
           WebHistoryItem(), kWebHistoryDifferentDocumentLoad, false);
}

void WebLocalFrameImpl::StopLoading() {
  if (!GetFrame())
    return;
  // FIXME: Figure out what we should really do here. It seems like a bug
  // that FrameLoader::stopLoading doesn't call stopAllLoaders.
  GetFrame()->Loader().StopAllLoaders();
}

WebDocumentLoader* WebLocalFrameImpl::GetProvisionalDocumentLoader() const {
  DCHECK(GetFrame());
  return DocumentLoaderForDocLoader(
      GetFrame()->Loader().GetProvisionalDocumentLoader());
}

WebDocumentLoader* WebLocalFrameImpl::GetDocumentLoader() const {
  DCHECK(GetFrame());
  return DocumentLoaderForDocLoader(GetFrame()->Loader().GetDocumentLoader());
}

void WebLocalFrameImpl::EnableViewSourceMode(bool enable) {
  if (GetFrame())
    GetFrame()->SetInViewSourceMode(enable);
}

bool WebLocalFrameImpl::IsViewSourceModeEnabled() const {
  if (!GetFrame())
    return false;
  return GetFrame()->InViewSourceMode();
}

void WebLocalFrameImpl::SetReferrerForRequest(WebURLRequest& request,
                                              const WebURL& referrer_url) {
  String referrer = referrer_url.IsEmpty()
                        ? GetFrame()->GetDocument()->OutgoingReferrer()
                        : String(referrer_url.GetString());
  request.ToMutableResourceRequest().SetHTTPReferrer(
      SecurityPolicy::GenerateReferrer(
          GetFrame()->GetDocument()->GetReferrerPolicy(), request.Url(),
          referrer));
}

WebAssociatedURLLoader* WebLocalFrameImpl::CreateAssociatedURLLoader(
    const WebAssociatedURLLoaderOptions& options) {
  return new WebAssociatedURLLoaderImpl(GetFrame()->GetDocument(), options);
}

void WebLocalFrameImpl::ReplaceSelection(const WebString& text) {
  // TODO(editing-dev): The use of updateStyleAndLayoutIgnorePendingStylesheets
  // needs to be audited.  See http://crbug.com/590369 for more details.
  GetFrame()->GetDocument()->UpdateStyleAndLayoutIgnorePendingStylesheets();

  GetFrame()->GetEditor().ReplaceSelection(text);
}

void WebLocalFrameImpl::SetMarkedText(const WebString& text,
                                      unsigned location,
                                      unsigned length) {
  Vector<ImeTextSpan> decorations;
  GetFrame()->GetInputMethodController().SetComposition(text, decorations,
                                                        location, length);
}

void WebLocalFrameImpl::UnmarkText() {
  GetFrame()->GetInputMethodController().CancelComposition();
}

bool WebLocalFrameImpl::HasMarkedText() const {
  return GetFrame()->GetInputMethodController().HasComposition();
}

WebRange WebLocalFrameImpl::MarkedRange() const {
  return GetFrame()->GetInputMethodController().CompositionEphemeralRange();
}

bool WebLocalFrameImpl::FirstRectForCharacterRange(
    unsigned location,
    unsigned length,
    WebRect& rect_in_viewport) const {
  if ((location + length < location) && (location + length))
    length = 0;

  Element* editable =
      GetFrame()->Selection().RootEditableElementOrDocumentElement();
  if (!editable)
    return false;

  // TODO(editing-dev): The use of updateStyleAndLayoutIgnorePendingStylesheets
  // needs to be audited.  see http://crbug.com/590369 for more details.
  editable->GetDocument().UpdateStyleAndLayoutIgnorePendingStylesheets();

  const EphemeralRange range =
      PlainTextRange(location, location + length).CreateRange(*editable);
  if (range.IsNull())
    return false;
  IntRect int_rect = GetFrame()->GetEditor().FirstRectForRange(range);
  rect_in_viewport = WebRect(int_rect);
  rect_in_viewport = GetFrame()->View()->ContentsToViewport(rect_in_viewport);
  return true;
}

size_t WebLocalFrameImpl::CharacterIndexForPoint(
    const WebPoint& point_in_viewport) const {
  if (!GetFrame())
    return kNotFound;

  LayoutPoint point = GetFrame()->View()->ViewportToContents(point_in_viewport);
  HitTestResult result = GetFrame()->GetEventHandler().HitTestResultAtPoint(
      point, HitTestRequest::kReadOnly | HitTestRequest::kActive);
  return GetFrame()->Selection().CharacterIndexForPoint(
      result.RoundedPointInInnerNodeFrame());
}

bool WebLocalFrameImpl::ExecuteCommand(const WebString& name) {
  DCHECK(GetFrame());

  if (name.length() <= 2)
    return false;

  // Since we don't have NSControl, we will convert the format of command
  // string and call the function on Editor directly.
  String command = name;

  // Make sure the first letter is upper case.
  command.replace(0, 1, command.Substring(0, 1).UpperASCII());

  // Remove the trailing ':' if existing.
  if (command[command.length() - 1] == UChar(':'))
    command = command.Substring(0, command.length() - 1);

  Node* plugin_lookup_context_node = nullptr;
  if (WebPluginContainerImpl::SupportsCommand(name))
    plugin_lookup_context_node = ContextMenuNodeInner();

  std::unique_ptr<UserGestureIndicator> gesture_indicator =
      Frame::NotifyUserActivation(GetFrame(), UserGestureToken::kNewGesture);

  WebPluginContainerImpl* plugin_container =
      GetFrame()->GetWebPluginContainer(plugin_lookup_context_node);
  if (plugin_container && plugin_container->ExecuteEditCommand(name))
    return true;

  return GetFrame()->GetEditor().ExecuteCommand(command);
}

bool WebLocalFrameImpl::ExecuteCommand(const WebString& name,
                                       const WebString& value) {
  DCHECK(GetFrame());

  std::unique_ptr<UserGestureIndicator> gesture_indicator =
      Frame::NotifyUserActivation(GetFrame(), UserGestureToken::kNewGesture);

  WebPluginContainerImpl* plugin_container =
      GetFrame()->GetWebPluginContainer();
  if (plugin_container && plugin_container->ExecuteEditCommand(name, value))
    return true;

  return GetFrame()->GetEditor().ExecuteCommand(name, value);
}

bool WebLocalFrameImpl::IsCommandEnabled(const WebString& name) const {
  DCHECK(GetFrame());
  return GetFrame()->GetEditor().CreateCommand(name).IsEnabled();
}

bool WebLocalFrameImpl::SelectionTextDirection(WebTextDirection& start,
                                               WebTextDirection& end) const {
  FrameSelection& selection = frame_->Selection();
  if (!selection.IsAvailable()) {
    // plugins/mouse-capture-inside-shadow.html reaches here
    return false;
  }

  // TODO(editing-dev): The use of updateStyleAndLayoutIgnorePendingStylesheets
  // needs to be audited.  See http://crbug.com/590369 for more details.
  frame_->GetDocument()->UpdateStyleAndLayoutIgnorePendingStylesheets();

  if (selection.ComputeVisibleSelectionInDOMTree()
          .ToNormalizedEphemeralRange()
          .IsNull())
    return false;
  start = ToWebTextDirection(PrimaryDirectionOf(
      *selection.ComputeVisibleSelectionInDOMTree().Start().AnchorNode()));
  end = ToWebTextDirection(PrimaryDirectionOf(
      *selection.ComputeVisibleSelectionInDOMTree().End().AnchorNode()));
  return true;
}

bool WebLocalFrameImpl::IsSelectionAnchorFirst() const {
  FrameSelection& selection = frame_->Selection();
  if (!selection.IsAvailable()) {
    // plugins/mouse-capture-inside-shadow.html reaches here
    return false;
  }

  return selection.GetSelectionInDOMTree().IsBaseFirst();
}

void WebLocalFrameImpl::SetTextDirection(WebTextDirection direction) {
  // The Editor::SetBaseWritingDirection() function checks if we can change
  // the text direction of the selected node and updates its DOM "dir"
  // attribute and its CSS "direction" property.
  // So, we just call the function as Safari does.
  Editor& editor = frame_->GetEditor();
  if (!editor.CanEdit())
    return;

  switch (direction) {
    case kWebTextDirectionDefault:
      editor.SetBaseWritingDirection(NaturalWritingDirection);
      break;

    case kWebTextDirectionLeftToRight:
      editor.SetBaseWritingDirection(LeftToRightWritingDirection);
      break;

    case kWebTextDirectionRightToLeft:
      editor.SetBaseWritingDirection(RightToLeftWritingDirection);
      break;

    default:
      NOTIMPLEMENTED();
      break;
  }
}

void WebLocalFrameImpl::ReplaceMisspelledRange(const WebString& text) {
  // If this caret selection has two or more markers, this function replace the
  // range covered by the first marker with the specified word as Microsoft Word
  // does.
  if (GetFrame()->GetWebPluginContainer())
    return;

  // TODO(editing-dev): The use of updateStyleAndLayoutIgnorePendingStylesheets
  // needs to be audited.  see http://crbug.com/590369 for more details.
  GetFrame()->GetDocument()->UpdateStyleAndLayoutIgnorePendingStylesheets();

  GetFrame()->GetSpellChecker().ReplaceMisspelledRange(text);
}

void WebLocalFrameImpl::RemoveSpellingMarkers() {
  GetFrame()->GetSpellChecker().RemoveSpellingMarkers();
}

void WebLocalFrameImpl::RemoveSpellingMarkersUnderWords(
    const WebVector<WebString>& words) {
  Vector<String> converted_words;
  converted_words.Append(words.Data(), words.size());
  GetFrame()->RemoveSpellingMarkersUnderWords(converted_words);
}

bool WebLocalFrameImpl::HasSelection() const {
  DCHECK(GetFrame());
  WebPluginContainerImpl* plugin_container =
      GetFrame()->GetWebPluginContainer();
  if (plugin_container)
    return plugin_container->Plugin()->HasSelection();

  // frame()->selection()->isNone() never returns true.
  return GetFrame()
             ->Selection()
             .ComputeVisibleSelectionInDOMTreeDeprecated()
             .Start() != GetFrame()
                             ->Selection()
                             .ComputeVisibleSelectionInDOMTreeDeprecated()
                             .End();
}

WebRange WebLocalFrameImpl::SelectionRange() const {
  // TODO(editing-dev): The use of updateStyleAndLayoutIgnorePendingStylesheets
  // needs to be audited.  See http://crbug.com/590369 for more details.
  GetFrame()->GetDocument()->UpdateStyleAndLayoutIgnorePendingStylesheets();

  return GetFrame()
      ->Selection()
      .ComputeVisibleSelectionInDOMTreeDeprecated()
      .ToNormalizedEphemeralRange();
}

WebString WebLocalFrameImpl::SelectionAsText() const {
  DCHECK(GetFrame());
  WebPluginContainerImpl* plugin_container =
      GetFrame()->GetWebPluginContainer();
  if (plugin_container)
    return plugin_container->Plugin()->SelectionAsText();

  // TODO(editing-dev): The use of updateStyleAndLayoutIgnorePendingStylesheets
  // needs to be audited.  See http://crbug.com/590369 for more details.
  GetFrame()->GetDocument()->UpdateStyleAndLayoutIgnorePendingStylesheets();

  String text = GetFrame()->Selection().SelectedText(
      TextIteratorBehavior::EmitsObjectReplacementCharacterBehavior());
#if defined(OS_WIN)
  ReplaceNewlinesWithWindowsStyleNewlines(text);
#endif
  ReplaceNBSPWithSpace(text);
  return text;
}

WebString WebLocalFrameImpl::SelectionAsMarkup() const {
  WebPluginContainerImpl* plugin_container =
      GetFrame()->GetWebPluginContainer();
  if (plugin_container)
    return plugin_container->Plugin()->SelectionAsMarkup();

  // TODO(editing-dev): The use of updateStyleAndLayoutIgnorePendingStylesheets
  // needs to be audited.  See http://crbug.com/590369 for more details.
  // Selection normalization and markup generation require clean layout.
  GetFrame()->GetDocument()->UpdateStyleAndLayoutIgnorePendingStylesheets();

  return GetFrame()->Selection().SelectedHTMLForClipboard();
}

bool WebLocalFrameImpl::SelectWordAroundCaret() {
  TRACE_EVENT0("blink", "WebLocalFrameImpl::selectWordAroundCaret");

  // TODO(editing-dev): The use of updateStyleAndLayoutIgnorePendingStylesheets
  // needs to be audited.  see http://crbug.com/590369 for more details.
  GetFrame()->GetDocument()->UpdateStyleAndLayoutIgnorePendingStylesheets();
  return GetFrame()->Selection().SelectWordAroundCaret();
}

void WebLocalFrameImpl::SelectRange(const WebPoint& base_in_viewport,
                                    const WebPoint& extent_in_viewport) {
  MoveRangeSelection(base_in_viewport, extent_in_viewport);
}

void WebLocalFrameImpl::SelectRange(
    const WebRange& web_range,
    HandleVisibilityBehavior handle_visibility_behavior,
    blink::mojom::SelectionMenuBehavior selection_menu_behavior) {
  TRACE_EVENT0("blink", "WebLocalFrameImpl::selectRange");

  // TODO(editing-dev): The use of updateStyleAndLayoutIgnorePendingStylesheets
  // needs to be audited.  see http://crbug.com/590369 for more details.
  GetFrame()->GetDocument()->UpdateStyleAndLayoutIgnorePendingStylesheets();

  const EphemeralRange& range = web_range.CreateEphemeralRange(GetFrame());
  if (range.IsNull())
    return;

  FrameSelection& selection = GetFrame()->Selection();
  const bool show_handles =
      handle_visibility_behavior == kShowSelectionHandle ||
      (handle_visibility_behavior == kPreserveHandleVisibility &&
       selection.IsHandleVisible());
  using blink::mojom::SelectionMenuBehavior;
  selection.SetSelection(
      SelectionInDOMTree::Builder()
          .SetBaseAndExtent(range)
          .SetAffinity(TextAffinity::kDefault)
          .Build(),
      SetSelectionOptions::Builder()
          .SetShouldShowHandle(show_handles)
          .SetShouldShrinkNextTap(selection_menu_behavior ==
                                  SelectionMenuBehavior::kShow)
          .Build());

  if (selection_menu_behavior == SelectionMenuBehavior::kShow) {
    ContextMenuAllowedScope scope;
    GetFrame()->GetEventHandler().ShowNonLocatedContextMenu(
        nullptr, kMenuSourceAdjustSelection);
  }
}

WebString WebLocalFrameImpl::RangeAsText(const WebRange& web_range) {
  // TODO(editing-dev): The use of updateStyleAndLayoutIgnorePendingStylesheets
  // needs to be audited.  see http://crbug.com/590369 for more details.
  GetFrame()->GetDocument()->UpdateStyleAndLayoutIgnorePendingStylesheets();

  DocumentLifecycle::DisallowTransitionScope disallow_transition(
      GetFrame()->GetDocument()->Lifecycle());

  return PlainText(
      web_range.CreateEphemeralRange(GetFrame()),
      TextIteratorBehavior::EmitsObjectReplacementCharacterBehavior());
}

void WebLocalFrameImpl::MoveRangeSelectionExtent(const WebPoint& point) {
  TRACE_EVENT0("blink", "WebLocalFrameImpl::moveRangeSelectionExtent");

  // TODO(editing-dev): The use of updateStyleAndLayoutIgnorePendingStylesheets
  // needs to be audited.  See http://crbug.com/590369 for more details.
  GetFrame()->GetDocument()->UpdateStyleAndLayoutIgnorePendingStylesheets();

  GetFrame()->Selection().MoveRangeSelectionExtent(
      GetFrame()->View()->ViewportToContents(point));
}

void WebLocalFrameImpl::MoveRangeSelection(
    const WebPoint& base_in_viewport,
    const WebPoint& extent_in_viewport,
    WebFrame::TextGranularity granularity) {
  TRACE_EVENT0("blink", "WebLocalFrameImpl::moveRangeSelection");

  // TODO(editing-dev): The use of updateStyleAndLayoutIgnorePendingStylesheets
  // needs to be audited.  See http://crbug.com/590369 for more details.
  GetFrame()->GetDocument()->UpdateStyleAndLayoutIgnorePendingStylesheets();

  blink::TextGranularity blink_granularity = blink::TextGranularity::kCharacter;
  if (granularity == WebFrame::kWordGranularity)
    blink_granularity = blink::TextGranularity::kWord;
  GetFrame()->Selection().MoveRangeSelection(
      GetFrame()->View()->ViewportToContents(base_in_viewport),
      GetFrame()->View()->ViewportToContents(extent_in_viewport),
      blink_granularity);
}

void WebLocalFrameImpl::MoveCaretSelection(const WebPoint& point_in_viewport) {
  TRACE_EVENT0("blink", "WebLocalFrameImpl::moveCaretSelection");

  // TODO(editing-dev): The use of updateStyleAndLayoutIgnorePendingStylesheets
  // needs to be audited.  see http://crbug.com/590369 for more details.
  GetFrame()->GetDocument()->UpdateStyleAndLayoutIgnorePendingStylesheets();
  const IntPoint point_in_contents =
      GetFrame()->View()->ViewportToContents(point_in_viewport);
  GetFrame()->Selection().MoveCaretSelection(point_in_contents);
}

bool WebLocalFrameImpl::SetEditableSelectionOffsets(int start, int end) {
  TRACE_EVENT0("blink", "WebLocalFrameImpl::setEditableSelectionOffsets");

  // TODO(editing-dev): The use of updateStyleAndLayoutIgnorePendingStylesheets
  // needs to be audited.  See http://crbug.com/590369 for more details.
  GetFrame()->GetDocument()->UpdateStyleAndLayoutIgnorePendingStylesheets();

  return GetFrame()->GetInputMethodController().SetEditableSelectionOffsets(
      PlainTextRange(start, end));
}

bool WebLocalFrameImpl::SetCompositionFromExistingText(
    int composition_start,
    int composition_end,
    const WebVector<WebImeTextSpan>& ime_text_spans) {
  TRACE_EVENT0("blink", "WebLocalFrameImpl::setCompositionFromExistingText");
  if (!GetFrame()->GetEditor().CanEdit())
    return false;

  InputMethodController& input_method_controller =
      GetFrame()->GetInputMethodController();

  // TODO(editing-dev): The use of updateStyleAndLayoutIgnorePendingStylesheets
  // needs to be audited.  See http://crbug.com/590369 for more details.
  GetFrame()->GetDocument()->UpdateStyleAndLayoutIgnorePendingStylesheets();

  input_method_controller.SetCompositionFromExistingText(
      ImeTextSpanVectorBuilder::Build(ime_text_spans), composition_start,
      composition_end);

  return true;
}

void WebLocalFrameImpl::ExtendSelectionAndDelete(int before, int after) {
  TRACE_EVENT0("blink", "WebLocalFrameImpl::extendSelectionAndDelete");
  if (WebPlugin* plugin = FocusedPluginIfInputMethodSupported()) {
    plugin->ExtendSelectionAndDelete(before, after);
    return;
  }

  // TODO(editing-dev): The use of updateStyleAndLayoutIgnorePendingStylesheets
  // needs to be audited.  See http://crbug.com/590369 for more details.
  GetFrame()->GetDocument()->UpdateStyleAndLayoutIgnorePendingStylesheets();

  GetFrame()->GetInputMethodController().ExtendSelectionAndDelete(before,
                                                                  after);
}

void WebLocalFrameImpl::DeleteSurroundingText(int before, int after) {
  TRACE_EVENT0("blink", "WebLocalFrameImpl::deleteSurroundingText");
  if (WebPlugin* plugin = FocusedPluginIfInputMethodSupported()) {
    plugin->DeleteSurroundingText(before, after);
    return;
  }

  // TODO(editing-dev): The use of updateStyleAndLayoutIgnorePendingStylesheets
  // needs to be audited.  See http://crbug.com/590369 for more details.
  GetFrame()->GetDocument()->UpdateStyleAndLayoutIgnorePendingStylesheets();

  GetFrame()->GetInputMethodController().DeleteSurroundingText(before, after);
}

void WebLocalFrameImpl::DeleteSurroundingTextInCodePoints(int before,
                                                          int after) {
  TRACE_EVENT0("blink", "WebLocalFrameImpl::deleteSurroundingTextInCodePoints");
  if (WebPlugin* plugin = FocusedPluginIfInputMethodSupported()) {
    plugin->DeleteSurroundingTextInCodePoints(before, after);
    return;
  }

  // TODO(editing-dev): The use of updateStyleAndLayoutIgnorePendingStylesheets
  // needs to be audited.  See http://crbug.com/590369 for more details.
  GetFrame()->GetDocument()->UpdateStyleAndLayoutIgnorePendingStylesheets();

  GetFrame()->GetInputMethodController().DeleteSurroundingTextInCodePoints(
      before, after);
}

void WebLocalFrameImpl::SetCaretVisible(bool visible) {
  GetFrame()->Selection().SetCaretVisible(visible);
}

VisiblePosition WebLocalFrameImpl::VisiblePositionForViewportPoint(
    const WebPoint& point_in_viewport) {
  return VisiblePositionForContentsPoint(
      GetFrame()->View()->ViewportToContents(point_in_viewport), GetFrame());
}

WebPlugin* WebLocalFrameImpl::FocusedPluginIfInputMethodSupported() {
  WebPluginContainerImpl* container = GetFrame()->GetWebPluginContainer();
  if (container && container->SupportsInputMethod())
    return container->Plugin();
  return nullptr;
}

void WebLocalFrameImpl::DispatchBeforePrintEvent() {
#if DCHECK_IS_ON()
  DCHECK(!is_in_printing_) << "DispatchAfterPrintEvent() should have been "
                              "called after the previous "
                              "DispatchBeforePrintEvent() call.";
  is_in_printing_ = true;
#endif

  DispatchPrintEventRecursively(EventTypeNames::beforeprint);
}

void WebLocalFrameImpl::DispatchAfterPrintEvent() {
#if DCHECK_IS_ON()
  DCHECK(is_in_printing_) << "DispatchBeforePrintEvent() should be called "
                             "before DispatchAfterPrintEvent().";
  is_in_printing_ = false;
#endif

  if (View())
    DispatchPrintEventRecursively(EventTypeNames::afterprint);
}

void WebLocalFrameImpl::DispatchPrintEventRecursively(
    const AtomicString& event_type) {
  HeapVector<Member<Frame>> frames;
  for (Frame* frame = frame_; frame; frame = frame->Tree().TraverseNext(frame_))
    frames.push_back(frame);

  for (auto& frame : frames) {
    if (frame->IsRemoteFrame()) {
      // TODO(tkent): Support remote frames. crbug.com/455764.
      continue;
    }
    if (!frame->Tree().IsDescendantOf(frame_))
      continue;
    ToLocalFrame(frame)->DomWindow()->DispatchEvent(Event::Create(event_type));
  }
}

int WebLocalFrameImpl::PrintBegin(const WebPrintParams& print_params,
                                  const WebNode& constrain_to_node) {
  DCHECK(!GetFrame()->GetDocument()->IsFrameSet());
  WebPluginContainerImpl* plugin_container = nullptr;
  if (constrain_to_node.IsNull()) {
    // If this is a plugin document, check if the plugin supports its own
    // printing. If it does, we will delegate all printing to that.
    plugin_container = GetFrame()->GetWebPluginContainer();
  } else {
    // We only support printing plugin nodes for now.
    plugin_container =
        ToWebPluginContainerImpl(constrain_to_node.PluginContainer());
  }

  if (plugin_container && plugin_container->SupportsPaginatedPrint()) {
    print_context_ = new ChromePluginPrintContext(GetFrame(), plugin_container,
                                                  print_params);
  } else {
    print_context_ =
        new ChromePrintContext(GetFrame(), print_params.use_printing_layout);
  }

  FloatSize size(static_cast<float>(print_params.print_content_area.width),
                 static_cast<float>(print_params.print_content_area.height));
  print_context_->BeginPrintMode(size.Width(), size.Height());
  print_context_->ComputePageRects(size);

  return static_cast<int>(print_context_->PageCount());
}

float WebLocalFrameImpl::GetPrintPageShrink(int page) {
  DCHECK(print_context_);
  DCHECK_GE(page, 0);
  return print_context_->GetPageShrink(page);
}

float WebLocalFrameImpl::PrintPage(int page, WebCanvas* canvas) {
  DCHECK(print_context_);
  DCHECK_GE(page, 0);
  DCHECK(GetFrame());
  DCHECK(GetFrame()->GetDocument());

  return print_context_->SpoolSinglePage(canvas, page);
}

void WebLocalFrameImpl::PrintEnd() {
  DCHECK(print_context_);
  print_context_->EndPrintMode();
  print_context_.Clear();
}

bool WebLocalFrameImpl::IsPrintScalingDisabledForPlugin(const WebNode& node) {
  DCHECK(GetFrame());
  WebPluginContainerImpl* plugin_container =
      node.IsNull() ? GetFrame()->GetWebPluginContainer()
                    : ToWebPluginContainerImpl(node.PluginContainer());

  if (!plugin_container || !plugin_container->SupportsPaginatedPrint())
    return false;

  return plugin_container->IsPrintScalingDisabled();
}

bool WebLocalFrameImpl::GetPrintPresetOptionsForPlugin(
    const WebNode& node,
    WebPrintPresetOptions* preset_options) {
  WebPluginContainerImpl* plugin_container =
      node.IsNull() ? GetFrame()->GetWebPluginContainer()
                    : ToWebPluginContainerImpl(node.PluginContainer());

  if (!plugin_container || !plugin_container->SupportsPaginatedPrint())
    return false;

  return plugin_container->GetPrintPresetOptionsFromDocument(preset_options);
}

bool WebLocalFrameImpl::HasCustomPageSizeStyle(int page_index) {
  return GetFrame()->GetDocument()->StyleForPage(page_index)->PageSizeType() !=
         EPageSizeType::kAuto;
}

bool WebLocalFrameImpl::IsPageBoxVisible(int page_index) {
  return GetFrame()->GetDocument()->IsPageBoxVisible(page_index);
}

void WebLocalFrameImpl::PageSizeAndMarginsInPixels(int page_index,
                                                   WebDoubleSize& page_size,
                                                   int& margin_top,
                                                   int& margin_right,
                                                   int& margin_bottom,
                                                   int& margin_left) {
  DoubleSize size = page_size;
  GetFrame()->GetDocument()->PageSizeAndMarginsInPixels(
      page_index, size, margin_top, margin_right, margin_bottom, margin_left);
  page_size = size;
}

WebString WebLocalFrameImpl::PageProperty(const WebString& property_name,
                                          int page_index) {
  DCHECK(print_context_);
  return print_context_->PageProperty(GetFrame(), property_name.Utf8().data(),
                                      page_index);
}

void WebLocalFrameImpl::PrintPagesForTesting(
    WebCanvas* canvas,
    const WebSize& page_size_in_pixels) {
  DCHECK(print_context_);

  print_context_->SpoolAllPagesWithBoundariesForTesting(
      canvas, FloatSize(page_size_in_pixels.width, page_size_in_pixels.height));
}

WebRect WebLocalFrameImpl::GetSelectionBoundsRectForTesting() const {
  return HasSelection()
             ? WebRect(
                   IntRect(GetFrame()->Selection().AbsoluteUnclippedBounds()))
             : WebRect();
}

WebString WebLocalFrameImpl::GetLayerTreeAsTextForTesting(
    bool show_debug_info) const {
  if (!GetFrame())
    return WebString();

  return WebString(GetFrame()->GetLayerTreeAsTextForTesting(
      show_debug_info ? kLayerTreeIncludesDebugInfo : kLayerTreeNormal));
}

// WebLocalFrameImpl public --------------------------------------------------

WebLocalFrame* WebLocalFrame::CreateMainFrame(
    WebView* web_view,
    WebFrameClient* client,
    InterfaceRegistry* interface_registry,
    WebFrame* opener,
    const WebString& name,
    WebSandboxFlags sandbox_flags) {
  return WebLocalFrameImpl::CreateMainFrame(
      web_view, client, interface_registry, opener, name, sandbox_flags);
}

WebLocalFrame* WebLocalFrame::CreateProvisional(
    WebFrameClient* client,
    InterfaceRegistry* interface_registry,
    WebRemoteFrame* old_web_frame,
    WebSandboxFlags flags,
    ParsedFeaturePolicy container_policy) {
  return WebLocalFrameImpl::CreateProvisional(
      client, interface_registry, old_web_frame, flags, container_policy);
}

WebLocalFrameImpl* WebLocalFrameImpl::Create(
    WebTreeScopeType scope,
    WebFrameClient* client,
    blink::InterfaceRegistry* interface_registry,
    WebFrame* opener) {
  WebLocalFrameImpl* frame =
      new WebLocalFrameImpl(scope, client, interface_registry);
  frame->SetOpener(opener);
  return frame;
}

WebLocalFrameImpl* WebLocalFrameImpl::CreateMainFrame(
    WebView* web_view,
    WebFrameClient* client,
    InterfaceRegistry* interface_registry,
    WebFrame* opener,
    const WebString& name,
    WebSandboxFlags sandbox_flags) {
  WebLocalFrameImpl* frame = new WebLocalFrameImpl(WebTreeScopeType::kDocument,
                                                   client, interface_registry);
  frame->SetOpener(opener);
  Page& page = *static_cast<WebViewImpl*>(web_view)->GetPage();
  DCHECK(!page.MainFrame());
  frame->InitializeCoreFrame(page, nullptr, name);
  // Can't force sandbox flags until there's a core frame.
  frame->GetFrame()->Loader().ForceSandboxFlags(
      static_cast<SandboxFlags>(sandbox_flags));
  return frame;
}

WebLocalFrameImpl* WebLocalFrameImpl::CreateProvisional(
    WebFrameClient* client,
    blink::InterfaceRegistry* interface_registry,
    WebRemoteFrame* old_web_frame,
    WebSandboxFlags flags,
    ParsedFeaturePolicy container_policy) {
  DCHECK(client);
  WebLocalFrameImpl* web_frame =
      new WebLocalFrameImpl(old_web_frame, client, interface_registry);
  Frame* old_frame = ToWebRemoteFrameImpl(old_web_frame)->GetFrame();
  web_frame->SetParent(old_web_frame->Parent());
  web_frame->SetOpener(old_web_frame->Opener());
  // Note: this *always* temporarily sets a frame owner, even for main frames!
  // When a core Frame is created with no owner, it attempts to set itself as
  // the main frame of the Page. However, this is a provisional frame, and may
  // disappear, so Page::m_mainFrame can't be updated just yet.
  // Note 2: Becuase the dummy owner is still the owner when the initial empty
  // document is created, the initial empty document will not inherit the
  // correct sandbox flags. However, since the provisional frame is inivisible
  // to the rest of the page, the initial document is also invisible and
  // unscriptable. Once the provisional frame gets properly attached and is
  // observable, it will have the real FrameOwner, and any subsequent real
  // documents will correctly inherit sandbox flags from the owner.
  web_frame->InitializeCoreFrame(*old_frame->GetPage(),
                                 DummyFrameOwner::Create(),
                                 old_frame->Tree().GetName());

  LocalFrame* new_frame = web_frame->GetFrame();
  new_frame->SetOwner(old_frame->Owner());
  if (new_frame->Owner() && new_frame->Owner()->IsRemote()) {
    ToRemoteFrameOwner(new_frame->Owner())
        ->SetSandboxFlags(static_cast<SandboxFlags>(flags));
    ToRemoteFrameOwner(new_frame->Owner())
        ->SetContainerPolicy(container_policy);
  } else if (!new_frame->Owner()) {
    // Provisional main frames need to force sandbox flags.  This is necessary
    // to inherit sandbox flags when a sandboxed frame does a window.open()
    // which triggers a cross-process navigation.
    new_frame->Loader().ForceSandboxFlags(static_cast<SandboxFlags>(flags));
  }
  new_frame->SetIsProvisional(true);

  return web_frame;
}

WebLocalFrameImpl* WebLocalFrameImpl::CreateLocalChild(
    WebTreeScopeType scope,
    WebFrameClient* client,
    blink::InterfaceRegistry* interface_registry) {
  WebLocalFrameImpl* frame =
      new WebLocalFrameImpl(scope, client, interface_registry);
  AppendChild(frame);
  return frame;
}

WebLocalFrameImpl::WebLocalFrameImpl(
    WebTreeScopeType scope,
    WebFrameClient* client,
    blink::InterfaceRegistry* interface_registry)
    : WebLocalFrame(scope),
      local_frame_client_(LocalFrameClientImpl::Create(this)),
      client_(client),
      autofill_client_(nullptr),
      input_events_scale_factor_for_emulation_(1),
      interface_registry_(interface_registry),
      input_method_controller_(*this),
      spell_check_panel_host_client_(nullptr),
      self_keep_alive_(this) {
  DCHECK(client_);
  g_frame_count++;
  client_->BindToFrame(this);
}

WebLocalFrameImpl::WebLocalFrameImpl(
    WebRemoteFrame* old_web_frame,
    WebFrameClient* client,
    blink::InterfaceRegistry* interface_registry)
    : WebLocalFrameImpl(old_web_frame->InShadowTree()
                            ? WebTreeScopeType::kShadow
                            : WebTreeScopeType::kDocument,
                        client,
                        interface_registry) {}

WebLocalFrameImpl::~WebLocalFrameImpl() {
  // The widget for the frame, if any, must have already been closed.
  DCHECK(!frame_widget_);
  g_frame_count--;
}

void WebLocalFrameImpl::Trace(blink::Visitor* visitor) {
  visitor->Trace(local_frame_client_);
  visitor->Trace(frame_);
  visitor->Trace(dev_tools_agent_);
  visitor->Trace(frame_widget_);
  visitor->Trace(text_finder_);
  visitor->Trace(print_context_);
  visitor->Trace(input_method_controller_);
  WebFrame::TraceFrames(visitor, this);
}

void WebLocalFrameImpl::SetCoreFrame(LocalFrame* frame) {
  frame_ = frame;

  local_frame_client_->SetVirtualTimePauser(
      frame_ ? frame_->FrameScheduler()->CreateWebScopedVirtualTimePauser(
                   WebScopedVirtualTimePauser::VirtualTaskDuration::kInstant)
             : WebScopedVirtualTimePauser());
}

void WebLocalFrameImpl::InitializeCoreFrame(Page& page,
                                            FrameOwner* owner,
                                            const AtomicString& name) {
  SetCoreFrame(LocalFrame::Create(local_frame_client_.Get(), page, owner,
                                  interface_registry_));
  frame_->Tree().SetName(name);
  // We must call init() after frame_ is assigned because it is referenced
  // during init().
  frame_->Init();
  CHECK(frame_);
  CHECK(frame_->Loader().StateMachine()->IsDisplayingInitialEmptyDocument());
  if (!Parent() && !Opener() &&
      frame_->GetSettings()->GetShouldReuseGlobalForUnownedMainFrame()) {
    frame_->GetDocument()->GetMutableSecurityOrigin()->GrantUniversalAccess();
  }

  if (frame_->IsLocalRoot()) {
    frame_->GetInterfaceRegistry()->AddAssociatedInterface(
        WTF::BindRepeating(&WebLocalFrameImpl::BindDevToolsAgentRequest,
                           WrapWeakPersistent(this)));
  }

  if (!owner) {
    // This trace event is needed to detect the main frame of the
    // renderer in telemetry metrics. See crbug.com/692112#c11.
    TRACE_EVENT_INSTANT1("loading", "markAsMainFrame", TRACE_EVENT_SCOPE_THREAD,
                         "frame", frame_);
  }
}

LocalFrame* WebLocalFrameImpl::CreateChildFrame(
    const AtomicString& name,
    HTMLFrameOwnerElement* owner_element) {
  DCHECK(client_);
  TRACE_EVENT0("blink", "WebLocalFrameImpl::createChildframe");
  WebTreeScopeType scope =
      GetFrame()->GetDocument() == owner_element->GetTreeScope()
          ? WebTreeScopeType::kDocument
          : WebTreeScopeType::kShadow;
  WebFrameOwnerProperties owner_properties(
      owner_element->BrowsingContextContainerName(),
      owner_element->ScrollingMode(), owner_element->MarginWidth(),
      owner_element->MarginHeight(), owner_element->AllowFullscreen(),
      owner_element->AllowPaymentRequest(), owner_element->IsDisplayNone(),
      owner_element->Csp());
  // FIXME: Using subResourceAttributeName as fallback is not a perfect
  // solution. subResourceAttributeName returns just one attribute name. The
  // element might not have the attribute, and there might be other attributes
  // which can identify the element.
  WebLocalFrameImpl* webframe_child =
      ToWebLocalFrameImpl(client_->CreateChildFrame(
          this, scope, name,
          owner_element->getAttribute(
              owner_element->SubResourceAttributeName()),
          static_cast<WebSandboxFlags>(owner_element->GetSandboxFlags()),
          owner_element->ContainerPolicy(), owner_properties));
  if (!webframe_child)
    return nullptr;

  webframe_child->InitializeCoreFrame(*GetFrame()->GetPage(), owner_element,
                                      name);
  DCHECK(webframe_child->Parent());
  return webframe_child->GetFrame();
}

void WebLocalFrameImpl::DidChangeContentsSize(const IntSize& size) {
  if (text_finder_ && text_finder_->TotalMatchCount() > 0)
    text_finder_->IncreaseMarkerVersion();
}

void WebLocalFrameImpl::CreateFrameView() {
  TRACE_EVENT0("blink", "WebLocalFrameImpl::createFrameView");

  DCHECK(GetFrame());  // If frame() doesn't exist, we probably didn't init
                       // properly.

  WebViewImpl* web_view = ViewImpl();

  // Check if we're shutting down.
  if (!web_view->GetPage())
    return;

  bool is_main_frame = !Parent();
  IntSize initial_size = (is_main_frame || !FrameWidget())
                             ? web_view->MainFrameSize()
                             : (IntSize)FrameWidget()->Size();
  Color base_background_color = web_view->BaseBackgroundColor();
  if (!is_main_frame && Parent()->IsWebRemoteFrame())
    base_background_color = Color::kTransparent;

  GetFrame()->CreateView(initial_size, base_background_color);
  if (is_main_frame) {
    GetFrame()->View()->SetInitialViewportSize(
        web_view->GetPageScaleConstraintsSet().InitialViewportSize());
  }
  if (web_view->ShouldAutoResize() && GetFrame()->IsLocalRoot()) {
    GetFrame()->View()->EnableAutoSizeMode(web_view->MinAutoSize(),
                                           web_view->MaxAutoSize());
  }

  GetFrame()->View()->SetInputEventsScaleForEmulation(
      input_events_scale_factor_for_emulation_);
  GetFrame()->View()->SetDisplayMode(web_view->DisplayMode());

  if (FrameWidget())
    FrameWidget()->DidCreateLocalRootView();
}

WebLocalFrameImpl* WebLocalFrameImpl::FromFrame(LocalFrame* frame) {
  if (!frame)
    return nullptr;
  return FromFrame(*frame);
}

WebLocalFrameImpl* WebLocalFrameImpl::FromFrame(LocalFrame& frame) {
  LocalFrameClient* client = frame.Client();
  if (!client || !client->IsLocalFrameClientImpl())
    return nullptr;
  return ToWebLocalFrameImpl(client->GetWebFrame());
}

WebLocalFrameImpl* WebLocalFrameImpl::FromFrameOwnerElement(Element* element) {
  if (!element->IsFrameOwnerElement())
    return nullptr;
  return FromFrame(
      ToLocalFrame(ToHTMLFrameOwnerElement(element)->ContentFrame()));
}

WebViewImpl* WebLocalFrameImpl::ViewImpl() const {
  if (!GetFrame())
    return nullptr;
  return GetFrame()->GetPage()->GetChromeClient().GetWebView();
}

void WebLocalFrameImpl::DidFail(const ResourceError& error,
                                bool was_provisional,
                                HistoryCommitType commit_type) {
  if (!Client())
    return;
  WebURLError web_error = error;
  WebHistoryCommitType web_commit_type =
      static_cast<WebHistoryCommitType>(commit_type);

  if (WebPluginContainerImpl* plugin = GetFrame()->GetWebPluginContainer())
    plugin->DidFailLoading(error);

  if (was_provisional)
    Client()->DidFailProvisionalLoad(web_error, web_commit_type);
  else
    Client()->DidFailLoad(web_error, web_commit_type);
}

void WebLocalFrameImpl::DidFinish() {
  if (!Client())
    return;

  if (WebPluginContainerImpl* plugin = GetFrame()->GetWebPluginContainer())
    plugin->DidFinishLoading();

  Client()->DidFinishLoad();
}

void WebLocalFrameImpl::SetCanHaveScrollbars(bool can_have_scrollbars) {
  if (LocalFrameView* view = GetFrameView())
    view->SetCanHaveScrollbars(can_have_scrollbars);
}

void WebLocalFrameImpl::SetInputEventsScaleForEmulation(
    float content_scale_factor) {
  input_events_scale_factor_for_emulation_ = content_scale_factor;
  if (GetFrame()->View()) {
    GetFrame()->View()->SetInputEventsScaleForEmulation(
        input_events_scale_factor_for_emulation_);
  }
}

HitTestResult WebLocalFrameImpl::HitTestResultForVisualViewportPos(
    const IntPoint& pos_in_viewport) {
  IntPoint root_frame_point(
      GetFrame()->GetPage()->GetVisualViewport().ViewportToRootFrame(
          pos_in_viewport));
  IntPoint doc_point(GetFrame()->View()->RootFrameToContents(root_frame_point));
  HitTestResult result = GetFrame()->GetEventHandler().HitTestResultAtPoint(
      doc_point, HitTestRequest::kReadOnly | HitTestRequest::kActive);
  result.SetToShadowHostIfInRestrictedShadowRoot();
  return result;
}

void WebLocalFrameImpl::SetAutofillClient(WebAutofillClient* autofill_client) {
  autofill_client_ = autofill_client;
}

WebAutofillClient* WebLocalFrameImpl::AutofillClient() {
  return autofill_client_;
}

WebLocalFrameImpl* WebLocalFrameImpl::LocalRoot() {
  // This can't use the LocalFrame::localFrameRoot, since it may be called
  // when the WebLocalFrame exists but the core LocalFrame does not.
  // TODO(alexmos, dcheng): Clean this up to only calculate this in one place.
  WebLocalFrameImpl* local_root = this;
  while (local_root->Parent() && local_root->Parent()->IsWebLocalFrame())
    local_root = ToWebLocalFrameImpl(local_root->Parent());
  return local_root;
}

WebFrame* WebLocalFrameImpl::FindFrameByName(const WebString& name) {
  Frame* result = GetFrame()->Tree().Find(name);
  return WebFrame::FromFrame(result);
}

void WebLocalFrameImpl::SendPings(const WebURL& destination_url) {
  DCHECK(GetFrame());
  Element* anchor = ContextMenuNodeInner()->EnclosingLinkEventParentOrSelf();
  if (auto* html_anchor = ToHTMLAnchorElementOrNull(anchor))
    html_anchor->SendPings(destination_url);
}

bool WebLocalFrameImpl::DispatchBeforeUnloadEvent(bool is_reload) {
  if (!GetFrame())
    return true;

  return GetFrame()->Loader().ShouldClose(is_reload);
}

WebURLRequest WebLocalFrameImpl::RequestFromHistoryItem(
    const WebHistoryItem& item,
    mojom::FetchCacheMode cache_mode) const {
  HistoryItem* history_item = item;
  return WrappedResourceRequest(
      history_item->GenerateResourceRequest(cache_mode));
}

WebURLRequest WebLocalFrameImpl::RequestForReload(
    WebFrameLoadType load_type,
    const WebURL& override_url) const {
  DCHECK(GetFrame());
  ResourceRequest request = GetFrame()->Loader().ResourceRequestForReload(
      static_cast<FrameLoadType>(load_type), override_url);
  return WrappedResourceRequest(request);
}

void WebLocalFrameImpl::Load(
    const WebURLRequest& request,
    WebFrameLoadType web_frame_load_type,
    const WebHistoryItem& item,
    WebHistoryLoadType web_history_load_type,
    bool is_client_redirect,
    const base::UnguessableToken& devtools_navigation_token) {
  DCHECK(GetFrame());
  DCHECK(!request.IsNull());
  DCHECK(!request.Url().ProtocolIs("javascript"));
  const ResourceRequest& resource_request = request.ToResourceRequest();

  if (text_finder_)
    text_finder_->ClearActiveFindMatch();

  FrameLoadRequest frame_request =
      FrameLoadRequest(nullptr, resource_request, /*frame_name=*/AtomicString(),
                       kCheckContentSecurityPolicy, devtools_navigation_token);
  if (is_client_redirect)
    frame_request.SetClientRedirect(ClientRedirectPolicy::kClientRedirect);
  HistoryItem* history_item = item;
  GetFrame()->Loader().Load(
      frame_request, static_cast<FrameLoadType>(web_frame_load_type),
      history_item, static_cast<HistoryLoadType>(web_history_load_type));
}

blink::mojom::CommitResult WebLocalFrameImpl::CommitSameDocumentNavigation(
    const WebURL& url,
    WebFrameLoadType web_frame_load_type,
    const WebHistoryItem& item,
    bool is_client_redirect) {
  DCHECK(GetFrame());
  DCHECK(!url.ProtocolIs("javascript"));

  HistoryItem* history_item = item;
  return GetFrame()->Loader().CommitSameDocumentNavigation(
      url, static_cast<FrameLoadType>(web_frame_load_type), history_item,
      is_client_redirect ? ClientRedirectPolicy::kClientRedirect
                         : ClientRedirectPolicy::kNotClientRedirect);
}

void WebLocalFrameImpl::LoadJavaScriptURL(const WebURL& url) {
  DCHECK(GetFrame());
  // This is copied from ScriptController::executeScriptIfJavaScriptURL.
  // Unfortunately, we cannot just use that method since it is private, and
  // it also doesn't quite behave as we require it to for bookmarklets. The
  // key difference is that we need to suppress loading the string result
  // from evaluating the JS URL if executing the JS URL resulted in a
  // location change. We also allow a JS URL to be loaded even if scripts on
  // the page are otherwise disabled.

  Document* owner_document = GetFrame()->GetDocument();

  if (!owner_document || !GetFrame()->GetPage())
    return;

  // Protect privileged pages against bookmarklets and other javascript
  // manipulations.
  if (SchemeRegistry::ShouldTreatURLSchemeAsNotAllowingJavascriptURLs(
          owner_document->Url().Protocol()))
    return;

  String script = DecodeURLEscapeSequences(
      static_cast<const KURL&>(url).GetString().Substring(
          strlen("javascript:")));
  std::unique_ptr<UserGestureIndicator> gesture_indicator =
      Frame::NotifyUserActivation(GetFrame(), UserGestureToken::kNewGesture);
  v8::HandleScope handle_scope(ToIsolate(GetFrame()));
  v8::Local<v8::Value> result =
      GetFrame()->GetScriptController().ExecuteScriptInMainWorldAndReturnValue(
          ScriptSourceCode(script, ScriptSourceLocationType::kJavascriptUrl));
  if (result.IsEmpty() || !result->IsString())
    return;
  String script_result = ToCoreString(v8::Local<v8::String>::Cast(result));
  if (!GetFrame()->GetNavigationScheduler().LocationChangePending()) {
    GetFrame()->Loader().ReplaceDocumentWhileExecutingJavaScriptURL(
        script_result, owner_document);
  }
}

void WebLocalFrameImpl::LoadData(const WebData& data,
                                 const WebString& mime_type,
                                 const WebString& text_encoding,
                                 const WebURL& base_url,
                                 const WebURL& unreachable_url,
                                 bool replace,
                                 WebFrameLoadType web_frame_load_type,
                                 const WebHistoryItem& item,
                                 WebHistoryLoadType web_history_load_type,
                                 bool is_client_redirect) {
  DCHECK(GetFrame());

  // If we are loading substitute data to replace an existing load, then
  // inherit all of the properties of that original request. This way,
  // reload will re-attempt the original request. It is essential that
  // we only do this when there is an unreachableURL since a non-empty
  // unreachableURL informs FrameLoader::reload to load unreachableURL
  // instead of the currently loaded URL.
  ResourceRequest request;
  HistoryItem* history_item = item;
  DocumentLoader* provisional_document_loader =
      GetFrame()->Loader().GetProvisionalDocumentLoader();
  if (replace && !unreachable_url.IsEmpty() && provisional_document_loader) {
    request = provisional_document_loader->OriginalRequest();
    // When replacing a failed back/forward provisional navigation with an error
    // page, retain the HistoryItem for the failed provisional navigation
    // and reuse it for the error page navigation.
    if (provisional_document_loader->LoadType() == kFrameLoadTypeBackForward &&
        provisional_document_loader->GetHistoryItem()) {
      history_item = provisional_document_loader->GetHistoryItem();
      web_frame_load_type = WebFrameLoadType::kBackForward;
    }
  }
  request.SetURL(base_url);
  request.SetCheckForBrowserSideNavigation(false);

  FrameLoadRequest frame_request(
      nullptr, request,
      SubstituteData(data, mime_type, text_encoding, unreachable_url));
  DCHECK(frame_request.GetSubstituteData().IsValid());
  frame_request.SetReplacesCurrentItem(replace);
  if (is_client_redirect)
    frame_request.SetClientRedirect(ClientRedirectPolicy::kClientRedirect);

  GetFrame()->Loader().Load(
      frame_request, static_cast<FrameLoadType>(web_frame_load_type),
      history_item, static_cast<HistoryLoadType>(web_history_load_type));
}

WebLocalFrame::FallbackContentResult
WebLocalFrameImpl::MaybeRenderFallbackContent(const WebURLError& error) const {
  DCHECK(GetFrame());

  if (!GetFrame()->Owner() || !GetFrame()->Owner()->CanRenderFallbackContent())
    return NoFallbackContent;

  // GetProvisionalDocumentLoader() can be null if a navigation started and
  // completed (e.g. about:blank) while waiting for the navigation that wants
  // to show fallback content.
  if (!GetFrame()->Loader().GetProvisionalDocumentLoader())
    return NoLoadInProgress;

  GetFrame()->Loader().GetProvisionalDocumentLoader()->LoadFailed(error);
  return FallbackRendered;
}

// Called when a navigation is blocked because a Content Security Policy (CSP)
// is infringed.
void WebLocalFrameImpl::ReportContentSecurityPolicyViolation(
    const blink::WebContentSecurityPolicyViolation& violation) {
  AddMessageToConsole(blink::WebConsoleMessage(
      WebConsoleMessage::kLevelError, violation.console_message,
      violation.source_location.url, violation.source_location.line_number,
      violation.source_location.column_number));

  std::unique_ptr<SourceLocation> source_location = SourceLocation::Create(
      violation.source_location.url, violation.source_location.line_number,
      violation.source_location.column_number, nullptr);

  DCHECK(GetFrame() && GetFrame()->GetDocument());
  Document* document = GetFrame()->GetDocument();
  Vector<String> report_endpoints;
  for (const WebString& end_point : violation.report_endpoints)
    report_endpoints.push_back(end_point);
  document->GetContentSecurityPolicy()->ReportViolation(
      violation.directive,
      ContentSecurityPolicy::GetDirectiveType(violation.effective_directive),
      violation.console_message, violation.blocked_url, report_endpoints,
      violation.use_reporting_api, violation.header,
      static_cast<ContentSecurityPolicyHeaderType>(violation.disposition),
      ContentSecurityPolicy::ViolationType::kURLViolation,
      std::move(source_location), nullptr /* LocalFrame */,
      violation.after_redirect ? RedirectStatus::kFollowedRedirect
                               : RedirectStatus::kNoRedirect,
      nullptr /* Element */);
}

bool WebLocalFrameImpl::IsLoading() const {
  if (!GetFrame() || !GetFrame()->GetDocument())
    return false;
  return GetFrame()
             ->Loader()
             .StateMachine()
             ->IsDisplayingInitialEmptyDocument() ||
         GetFrame()->Loader().HasProvisionalNavigation() ||
         !GetFrame()->GetDocument()->LoadEventFinished();
}

bool WebLocalFrameImpl::IsNavigationScheduledWithin(
    double interval_in_seconds) const {
  return GetFrame() &&
         GetFrame()->GetNavigationScheduler().IsNavigationScheduledWithin(
             interval_in_seconds);
}

void WebLocalFrameImpl::SetCommittedFirstRealLoad() {
  DCHECK(GetFrame());
  GetFrame()->Loader().StateMachine()->AdvanceTo(
      FrameLoaderStateMachine::kCommittedMultipleRealLoads);
  GetFrame()->DidSendResourceTimingInfoToParent();
}

void WebLocalFrameImpl::SetHasReceivedUserGesture() {
  Frame::NotifyUserActivation(GetFrame(), UserGestureToken::kNewGesture);
}

void WebLocalFrameImpl::BlinkFeatureUsageReport(const std::set<int>& features) {
  DCHECK(!features.empty());
  // Assimilate all features used/performed by the browser into UseCounter.
  for (int feature : features) {
    UseCounter::Count(GetFrame(), static_cast<WebFeature>(feature));
  }
}

void WebLocalFrameImpl::MixedContentFound(
    const WebURL& main_resource_url,
    const WebURL& mixed_content_url,
    WebURLRequest::RequestContext request_context,
    bool was_allowed,
    bool had_redirect,
    const WebSourceLocation& source_location) {
  DCHECK(GetFrame());
  std::unique_ptr<SourceLocation> source;
  if (!source_location.url.IsNull()) {
    source =
        SourceLocation::Create(source_location.url, source_location.line_number,
                               source_location.column_number, nullptr);
  }
  MixedContentChecker::MixedContentFound(
      GetFrame(), main_resource_url, mixed_content_url, request_context,
      was_allowed, had_redirect, std::move(source));
}

void WebLocalFrameImpl::ClientDroppedNavigation() {
  DCHECK(GetFrame());
  GetFrame()->Loader().ClientDroppedNavigation();
}

void WebLocalFrameImpl::SendOrientationChangeEvent() {
  if (!GetFrame())
    return;

  // Screen Orientation API
  if (ScreenOrientationController::From(*GetFrame()))
    ScreenOrientationController::From(*GetFrame())->NotifyOrientationChanged();

  // Legacy window.orientation API
  if (RuntimeEnabledFeatures::OrientationEventEnabled() &&
      GetFrame()->DomWindow())
    GetFrame()->DomWindow()->SendOrientationChangeEvent();
}

void WebLocalFrameImpl::DidCallAddSearchProvider() {
  UseCounter::Count(GetFrame(), WebFeature::kExternalAddSearchProvider);
}

void WebLocalFrameImpl::DidCallIsSearchProviderInstalled() {
  UseCounter::Count(GetFrame(), WebFeature::kExternalIsSearchProviderInstalled);
}

void WebLocalFrameImpl::RequestFind(int identifier,
                                    const WebString& search_text,
                                    const WebFindOptions& options) {
  // Send "no results" if this frame has no visible content.
  if (!HasVisibleContent() && !options.force) {
    Client()->ReportFindInPageMatchCount(identifier, 0 /* count */,
                                         true /* finalUpdate */);
    return;
  }

  WebRange current_selection = SelectionRange();
  bool result = false;
  bool active_now = false;

  // Search for an active match only if this frame is focused or if this is a
  // find next request.
  if (IsFocused() || options.find_next) {
    result = Find(identifier, search_text, options, false /* wrapWithinFrame */,
                  &active_now);
  }

  if (result && !options.find_next) {
    // Indicate that at least one match has been found. 1 here means
    // possibly more matches could be coming.
    Client()->ReportFindInPageMatchCount(identifier, 1 /* count */,
                                         false /* finalUpdate */);
  }

  // There are three cases in which scoping is needed:
  //
  // (1) This is an initial find request (|options.findNext| is false). This
  // will be the first scoping effort for this find session.
  //
  // (2) Something has been selected since the last search. This means that we
  // cannot just increment the current match ordinal; we need to re-generate
  // it.
  //
  // (3) TextFinder::Find() found what should be the next match (|result| is
  // true), but was unable to activate it (|activeNow| is false). This means
  // that the text containing this match was dynamically added since the last
  // scope of the frame. The frame needs to be re-scoped so that any matches
  // in the new text can be highlighted and included in the reported number of
  // matches.
  //
  // If none of these cases are true, then we just report the current match
  // count without scoping.
  if (/* (1) */ options.find_next && /* (2) */ current_selection.IsNull() &&
      /* (3) */ !(result && !active_now)) {
    // Force report of the actual count.
    IncreaseMatchCount(0, identifier);
    return;
  }

  // Start a new scoping request. If the scoping function determines that it
  // needs to scope, it will defer until later.
  EnsureTextFinder().StartScopingStringMatches(identifier, search_text,
                                               options);
}

bool WebLocalFrameImpl::Find(int identifier,
                             const WebString& search_text,
                             const WebFindOptions& options,
                             bool wrap_within_frame,
                             bool* active_now) {
  if (!GetFrame())
    return false;

  // Unlikely, but just in case we try to find-in-page on a detached frame.
  DCHECK(GetFrame()->GetPage());

  // Up-to-date, clean tree is required for finding text in page, since it
  // relies on TextIterator to look over the text.
  GetFrame()->GetDocument()->UpdateStyleAndLayoutIgnorePendingStylesheets();

  return EnsureTextFinder().Find(identifier, search_text, options,
                                 wrap_within_frame, active_now);
}

void WebLocalFrameImpl::StopFinding(StopFindAction action) {
  bool clear_selection = action == kStopFindActionClearSelection;
  if (clear_selection)
    ExecuteCommand(WebString::FromUTF8("Unselect"));

  if (text_finder_) {
    if (!clear_selection)
      text_finder_->SetFindEndstateFocusAndSelection();
    text_finder_->StopFindingAndClearSelection();
  }

  if (action == kStopFindActionActivateSelection && IsFocused()) {
    WebDocument doc = GetDocument();
    if (!doc.IsNull()) {
      WebElement element = doc.FocusedElement();
      if (!element.IsNull())
        element.SimulateClick();
    }
  }
}

void WebLocalFrameImpl::IncreaseMatchCount(int count, int identifier) {
  EnsureTextFinder().IncreaseMatchCount(identifier, count);
}

void WebLocalFrameImpl::DispatchMessageEventWithOriginCheck(
    const WebSecurityOrigin& intended_target_origin,
    const WebDOMEvent& event) {
  DCHECK(!event.IsNull());
  GetFrame()->DomWindow()->DispatchMessageEventWithOriginCheck(
      intended_target_origin.Get(), event,
      SourceLocation::Create(String(), 0, 0, nullptr));
}

int WebLocalFrameImpl::FindMatchMarkersVersion() const {
  if (text_finder_)
    return text_finder_->FindMatchMarkersVersion();
  return 0;
}

int WebLocalFrameImpl::SelectNearestFindMatch(const WebFloatPoint& point,
                                              WebRect* selection_rect) {
  return EnsureTextFinder().SelectNearestFindMatch(point, selection_rect);
}

float WebLocalFrameImpl::DistanceToNearestFindMatch(
    const WebFloatPoint& point) {
  float nearest_distance;
  EnsureTextFinder().NearestFindMatch(point, &nearest_distance);
  return nearest_distance;
}

WebFloatRect WebLocalFrameImpl::ActiveFindMatchRect() {
  if (text_finder_)
    return text_finder_->ActiveFindMatchRect();
  return WebFloatRect();
}

void WebLocalFrameImpl::FindMatchRects(WebVector<WebFloatRect>& output_rects) {
  EnsureTextFinder().FindMatchRects(output_rects);
}

void WebLocalFrameImpl::SetTickmarks(const WebVector<WebRect>& tickmarks) {
  if (GetFrameView()) {
    Vector<IntRect> tickmarks_converted(tickmarks.size());
    for (size_t i = 0; i < tickmarks.size(); ++i)
      tickmarks_converted[i] = tickmarks[i];
    GetFrameView()->SetTickmarks(tickmarks_converted);
  }
}

WebNode WebLocalFrameImpl::ContextMenuNode() const {
  return ContextMenuNodeInner();
}

void WebLocalFrameImpl::WillBeDetached() {
  if (dev_tools_agent_)
    dev_tools_agent_->WillBeDestroyed();
}

void WebLocalFrameImpl::WillDetachParent() {
  // Do not expect string scoping results from any frames that got detached
  // in the middle of the operation.
  if (text_finder_ && text_finder_->ScopingInProgress()) {
    // There is a possibility that the frame being detached was the only
    // pending one. We need to make sure final replies can be sent.
    text_finder_->FlushCurrentScoping();

    text_finder_->CancelPendingScopingEffort();
  }
}

TextFinder* WebLocalFrameImpl::GetTextFinder() const {
  return text_finder_;
}

TextFinder& WebLocalFrameImpl::EnsureTextFinder() {
  if (!text_finder_)
    text_finder_ = TextFinder::Create(*this);

  return *text_finder_;
}

void WebLocalFrameImpl::SetFrameWidget(WebFrameWidgetBase* frame_widget) {
  frame_widget_ = frame_widget;
}

WebFrameWidgetBase* WebLocalFrameImpl::FrameWidget() const {
  return frame_widget_;
}

std::unique_ptr<WebURLLoaderFactory>
WebLocalFrameImpl::CreateURLLoaderFactory() {
  return client_->CreateURLLoaderFactory();
}

void WebLocalFrameImpl::CopyImageAt(const WebPoint& pos_in_viewport) {
  HitTestResult result = HitTestResultForVisualViewportPos(pos_in_viewport);
  if (!IsHTMLCanvasElement(result.InnerNodeOrImageMapImage()) &&
      result.AbsoluteImageURL().IsEmpty()) {
    // There isn't actually an image at these coordinates.  Might be because
    // the window scrolled while the context menu was open or because the page
    // changed itself between when we thought there was an image here and when
    // we actually tried to retreive the image.
    //
    // FIXME: implement a cache of the most recent HitTestResult to avoid having
    //        to do two hit tests.
    return;
  }

  // TODO(editing-dev): The use of updateStyleAndLayoutIgnorePendingStylesheets
  // needs to be audited.  See http://crbug.com/590369 for more details.
  GetFrame()->GetDocument()->UpdateStyleAndLayoutIgnorePendingStylesheets();

  GetFrame()->GetEditor().CopyImage(result);
}

void WebLocalFrameImpl::SaveImageAt(const WebPoint& pos_in_viewport) {
  Node* node = HitTestResultForVisualViewportPos(pos_in_viewport)
                   .InnerNodeOrImageMapImage();
  if (!node || !(IsHTMLCanvasElement(*node) || IsHTMLImageElement(*node)))
    return;

  String url = ToElement(*node).ImageSourceURL();
  if (!KURL(NullURL(), url).ProtocolIsData())
    return;

  client_->SaveImageFromDataURL(url);
}

void WebLocalFrameImpl::SetEngagementLevel(mojom::EngagementLevel level) {
  GetFrame()->GetDocument()->SetEngagementLevel(level);
}

void WebLocalFrameImpl::SetHasHighMediaEngagement(
    bool has_high_media_engagement) {
  GetFrame()->GetDocument()->SetHasHighMediaEngagement(
      has_high_media_engagement);
}

WebSandboxFlags WebLocalFrameImpl::EffectiveSandboxFlags() const {
  if (!GetFrame())
    return WebSandboxFlags::kNone;
  return static_cast<WebSandboxFlags>(
      GetFrame()->Loader().EffectiveSandboxFlags());
}

void WebLocalFrameImpl::ClearActiveFindMatch() {
  EnsureTextFinder().ClearActiveFindMatch();
}

void WebLocalFrameImpl::UsageCountChromeLoadTimes(const WebString& metric) {
  WebFeature feature = WebFeature::kChromeLoadTimesUnknown;
  if (metric == "requestTime") {
    feature = WebFeature::kChromeLoadTimesRequestTime;
  } else if (metric == "startLoadTime") {
    feature = WebFeature::kChromeLoadTimesStartLoadTime;
  } else if (metric == "commitLoadTime") {
    feature = WebFeature::kChromeLoadTimesCommitLoadTime;
  } else if (metric == "finishDocumentLoadTime") {
    feature = WebFeature::kChromeLoadTimesFinishDocumentLoadTime;
  } else if (metric == "finishLoadTime") {
    feature = WebFeature::kChromeLoadTimesFinishLoadTime;
  } else if (metric == "firstPaintTime") {
    feature = WebFeature::kChromeLoadTimesFirstPaintTime;
  } else if (metric == "firstPaintAfterLoadTime") {
    feature = WebFeature::kChromeLoadTimesFirstPaintAfterLoadTime;
  } else if (metric == "navigationType") {
    feature = WebFeature::kChromeLoadTimesNavigationType;
  } else if (metric == "wasFetchedViaSpdy") {
    feature = WebFeature::kChromeLoadTimesWasFetchedViaSpdy;
  } else if (metric == "wasNpnNegotiated") {
    feature = WebFeature::kChromeLoadTimesWasNpnNegotiated;
  } else if (metric == "npnNegotiatedProtocol") {
    feature = WebFeature::kChromeLoadTimesNpnNegotiatedProtocol;
  } else if (metric == "wasAlternateProtocolAvailable") {
    feature = WebFeature::kChromeLoadTimesWasAlternateProtocolAvailable;
  } else if (metric == "connectionInfo") {
    feature = WebFeature::kChromeLoadTimesConnectionInfo;
  }
  Deprecation::CountDeprecation(GetFrame(), feature);
}

WebFrameScheduler* WebLocalFrameImpl::Scheduler() const {
  return GetFrame()->FrameScheduler();
}

scoped_refptr<base::SingleThreadTaskRunner> WebLocalFrameImpl::GetTaskRunner(
    TaskType task_type) {
  return GetFrame()->GetTaskRunner(task_type);
}

WebInputMethodController* WebLocalFrameImpl::GetInputMethodController() {
  return &input_method_controller_;
}

// TODO(editing-dev): We should move |CreateMarkupInRect()| to
// "core/editing/serializers/Serialization.cpp".
static String CreateMarkupInRect(LocalFrame*, const IntPoint&, const IntPoint&);

void WebLocalFrameImpl::ExtractSmartClipData(WebRect rect_in_viewport,
                                             WebString& clip_text,
                                             WebString& clip_html) {
  SmartClipData clip_data = SmartClip(GetFrame()).DataForRect(rect_in_viewport);
  clip_text = clip_data.ClipData();

  WebPoint start_point(rect_in_viewport.x, rect_in_viewport.y);
  WebPoint end_point(rect_in_viewport.x + rect_in_viewport.width,
                     rect_in_viewport.y + rect_in_viewport.height);
  clip_html = CreateMarkupInRect(
      GetFrame(), GetFrame()->View()->ViewportToContents(start_point),
      GetFrame()->View()->ViewportToContents(end_point));
}

// TODO(editing-dev): We should move |CreateMarkupInRect()| to
// "core/editing/serializers/Serialization.cpp".
static String CreateMarkupInRect(LocalFrame* frame,
                                 const IntPoint& start_point,
                                 const IntPoint& end_point) {
  VisiblePosition start_visible_position =
      VisiblePositionForContentsPoint(start_point, frame);
  VisiblePosition end_visible_position =
      VisiblePositionForContentsPoint(end_point, frame);

  Position start_position = start_visible_position.DeepEquivalent();
  Position end_position = end_visible_position.DeepEquivalent();

  // document() will return null if -webkit-user-select is set to none.
  if (!start_position.GetDocument() || !end_position.GetDocument())
    return String();

  if (start_position.CompareTo(end_position) <= 0) {
    return CreateMarkup(start_position, end_position, kAnnotateForInterchange,
                        ConvertBlocksToInlines::kNotConvert,
                        kResolveNonLocalURLs);
  }
  return CreateMarkup(end_position, start_position, kAnnotateForInterchange,
                      ConvertBlocksToInlines::kNotConvert,
                      kResolveNonLocalURLs);
}

void WebLocalFrameImpl::AdvanceFocusInForm(WebFocusType focus_type) {
  DCHECK(GetFrame()->GetDocument());
  Element* element = GetFrame()->GetDocument()->FocusedElement();
  if (!element)
    return;

  Element* next_element =
      GetFrame()->GetPage()->GetFocusController().NextFocusableElementInForm(
          element, focus_type);
  if (!next_element)
    return;

  next_element->scrollIntoViewIfNeeded(true /*centerIfNeeded*/);
  next_element->focus();
}

void WebLocalFrameImpl::SetTextCheckClient(
    WebTextCheckClient* text_check_client) {
  text_check_client_ = text_check_client;
}

void WebLocalFrameImpl::SetSpellCheckPanelHostClient(
    WebSpellCheckPanelHostClient* spell_check_panel_host_client) {
  spell_check_panel_host_client_ = spell_check_panel_host_client;
}

WebFrameWidgetBase* WebLocalFrameImpl::LocalRootFrameWidget() {
  return LocalRoot()->FrameWidget();
}

Node* WebLocalFrameImpl::ContextMenuNodeInner() const {
  if (!ViewImpl() || !ViewImpl()->GetPage())
    return nullptr;
  return ViewImpl()
      ->GetPage()
      ->GetContextMenuController()
      .ContextMenuNodeForFrame(GetFrame());
}

void WebLocalFrameImpl::SetDevToolsAgentImpl(WebDevToolsAgentImpl* agent) {
  DCHECK(!dev_tools_agent_);
  dev_tools_agent_ = agent;
}

void WebLocalFrameImpl::BindDevToolsAgentRequest(
    mojom::blink::DevToolsAgentAssociatedRequest request) {
  if (!dev_tools_agent_)
    dev_tools_agent_ = WebDevToolsAgentImpl::CreateForFrame(this);
  dev_tools_agent_->BindRequest(std::move(request));
}

}  // namespace blink