blob: 81b453ae0ef01718ae26b5df071bc8708a011178 [file] [log] [blame]
// Copyright 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "content/browser/android/content_view_core_impl.h"
#include <stddef.h>
#include "base/android/jni_android.h"
#include "base/android/jni_array.h"
#include "base/android/jni_string.h"
#include "base/android/scoped_java_ref.h"
#include "base/command_line.h"
#include "base/logging.h"
#include "base/macros.h"
#include "base/memory/ptr_util.h"
#include "base/metrics/histogram_macros.h"
#include "base/metrics/user_metrics.h"
#include "base/strings/string_util.h"
#include "base/values.h"
#include "cc/layers/layer.h"
#include "cc/layers/solid_color_layer.h"
#include "cc/output/begin_frame_args.h"
#include "content/browser/accessibility/browser_accessibility_manager_android.h"
#include "content/browser/accessibility/browser_accessibility_state_impl.h"
#include "content/browser/android/gesture_event_type.h"
#include "content/browser/android/interstitial_page_delegate_android.h"
#include "content/browser/android/java/gin_java_bridge_dispatcher_host.h"
#include "content/browser/android/load_url_params.h"
#include "content/browser/frame_host/interstitial_page_impl.h"
#include "content/browser/media/media_web_contents_observer.h"
#include "content/browser/renderer_host/compositor_impl_android.h"
#include "content/browser/renderer_host/input/web_input_event_builders_android.h"
#include "content/browser/renderer_host/render_view_host_impl.h"
#include "content/browser/renderer_host/render_widget_host_impl.h"
#include "content/browser/renderer_host/render_widget_host_view_android.h"
#include "content/browser/web_contents/web_contents_view_android.h"
#include "content/common/frame_messages.h"
#include "content/common/input_messages.h"
#include "content/common/view_messages.h"
#include "content/public/browser/android/compositor.h"
#include "content/public/browser/browser_context.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/browser/favicon_status.h"
#include "content/public/browser/render_frame_host.h"
#include "content/public/browser/render_view_host.h"
#include "content/public/browser/ssl_host_state_delegate.h"
#include "content/public/browser/web_contents.h"
#include "content/public/common/content_client.h"
#include "content/public/common/content_switches.h"
#include "content/public/common/menu_item.h"
#include "content/public/common/user_agent.h"
#include "device/geolocation/geolocation_service_context.h"
#include "jni/ContentViewCore_jni.h"
#include "jni/DragEvent_jni.h"
#include "third_party/WebKit/public/platform/WebInputEvent.h"
#include "third_party/WebKit/public/web/WebContextMenuData.h"
#include "ui/android/view_android.h"
#include "ui/android/window_android.h"
#include "ui/base/clipboard/clipboard.h"
#include "ui/base/ui_base_switches_util.h"
#include "ui/events/android/motion_event_android.h"
#include "ui/events/blink/blink_event_util.h"
#include "ui/events/blink/web_input_event_traits.h"
#include "ui/events/event_utils.h"
#include "ui/events/gesture_detection/motion_event.h"
#include "ui/gfx/android/java_bitmap.h"
#include "ui/gfx/geometry/point_conversions.h"
#include "ui/gfx/geometry/size_conversions.h"
#include "ui/gfx/geometry/size_f.h"
using base::android::AttachCurrentThread;
using base::android::ConvertJavaStringToUTF16;
using base::android::ConvertJavaStringToUTF8;
using base::android::ConvertUTF16ToJavaString;
using base::android::ConvertUTF8ToJavaString;
using base::android::JavaParamRef;
using base::android::JavaRef;
using base::android::ScopedJavaLocalRef;
using blink::WebContextMenuData;
using blink::WebGestureEvent;
using blink::WebInputEvent;
using ui::MotionEventAndroid;
namespace content {
namespace {
// Describes the type and enabled state of a select popup item.
//
// A Java counterpart will be generated for this enum.
// GENERATED_JAVA_ENUM_PACKAGE: org.chromium.content.browser.input
enum PopupItemType {
// Popup item is of type group
POPUP_ITEM_TYPE_GROUP,
// Popup item is disabled
POPUP_ITEM_TYPE_DISABLED,
// Popup item is enabled
POPUP_ITEM_TYPE_ENABLED,
};
const void* const kContentViewUserDataKey = &kContentViewUserDataKey;
int GetRenderProcessIdFromRenderViewHost(RenderViewHost* host) {
DCHECK(host);
RenderProcessHost* render_process = host->GetProcess();
DCHECK(render_process);
if (render_process->HasConnection())
return render_process->GetHandle();
return 0;
}
ScopedJavaLocalRef<jobject> CreateJavaRect(
JNIEnv* env,
const gfx::Rect& rect) {
return ScopedJavaLocalRef<jobject>(
Java_ContentViewCore_createRect(env,
static_cast<int>(rect.x()),
static_cast<int>(rect.y()),
static_cast<int>(rect.right()),
static_cast<int>(rect.bottom())));
}
int ToGestureEventType(WebInputEvent::Type type) {
switch (type) {
case WebInputEvent::kGestureScrollBegin:
return GESTURE_EVENT_TYPE_SCROLL_START;
case WebInputEvent::kGestureScrollEnd:
return GESTURE_EVENT_TYPE_SCROLL_END;
case WebInputEvent::kGestureScrollUpdate:
return GESTURE_EVENT_TYPE_SCROLL_BY;
case WebInputEvent::kGestureFlingStart:
return GESTURE_EVENT_TYPE_FLING_START;
case WebInputEvent::kGestureFlingCancel:
return GESTURE_EVENT_TYPE_FLING_CANCEL;
case WebInputEvent::kGestureShowPress:
return GESTURE_EVENT_TYPE_SHOW_PRESS;
case WebInputEvent::kGestureTap:
return GESTURE_EVENT_TYPE_SINGLE_TAP_CONFIRMED;
case WebInputEvent::kGestureTapUnconfirmed:
return GESTURE_EVENT_TYPE_SINGLE_TAP_UNCONFIRMED;
case WebInputEvent::kGestureTapDown:
return GESTURE_EVENT_TYPE_TAP_DOWN;
case WebInputEvent::kGestureTapCancel:
return GESTURE_EVENT_TYPE_TAP_CANCEL;
case WebInputEvent::kGestureDoubleTap:
return GESTURE_EVENT_TYPE_DOUBLE_TAP;
case WebInputEvent::kGestureLongPress:
return GESTURE_EVENT_TYPE_LONG_PRESS;
case WebInputEvent::kGestureLongTap:
return GESTURE_EVENT_TYPE_LONG_TAP;
case WebInputEvent::kGesturePinchBegin:
return GESTURE_EVENT_TYPE_PINCH_BEGIN;
case WebInputEvent::kGesturePinchEnd:
return GESTURE_EVENT_TYPE_PINCH_END;
case WebInputEvent::kGesturePinchUpdate:
return GESTURE_EVENT_TYPE_PINCH_BY;
case WebInputEvent::kGestureTwoFingerTap:
default:
NOTREACHED() << "Invalid source gesture type: "
<< WebInputEvent::GetName(type);
return -1;
}
}
} // namespace
// Enables a callback when the underlying WebContents is destroyed, to enable
// nulling the back-pointer.
class ContentViewCoreImpl::ContentViewUserData
: public base::SupportsUserData::Data {
public:
explicit ContentViewUserData(ContentViewCoreImpl* content_view_core)
: content_view_core_(content_view_core) {
}
~ContentViewUserData() override {
// TODO(joth): When chrome has finished removing the TabContents class (see
// crbug.com/107201) consider inverting relationship, so ContentViewCore
// would own WebContents. That effectively implies making the WebContents
// destructor private on Android.
delete content_view_core_;
}
ContentViewCoreImpl* get() const { return content_view_core_; }
private:
// Not using scoped_ptr as ContentViewCoreImpl destructor is private.
ContentViewCoreImpl* content_view_core_;
DISALLOW_IMPLICIT_CONSTRUCTORS(ContentViewUserData);
};
// static
ContentViewCoreImpl* ContentViewCoreImpl::FromWebContents(
content::WebContents* web_contents) {
ContentViewCoreImpl::ContentViewUserData* data =
static_cast<ContentViewCoreImpl::ContentViewUserData*>(
web_contents->GetUserData(kContentViewUserDataKey));
return data ? data->get() : NULL;
}
// static
ContentViewCore* ContentViewCore::FromWebContents(
content::WebContents* web_contents) {
return ContentViewCoreImpl::FromWebContents(web_contents);
}
ContentViewCoreImpl::ContentViewCoreImpl(
JNIEnv* env,
const JavaRef<jobject>& obj,
WebContents* web_contents,
float dpi_scale,
const JavaRef<jobject>& java_bridge_retained_object_set)
: WebContentsObserver(web_contents),
java_ref_(env, obj),
web_contents_(static_cast<WebContentsImpl*>(web_contents)),
page_scale_(1),
dpi_scale_(dpi_scale),
device_orientation_(0),
accessibility_enabled_(false) {
GetViewAndroid()->SetLayer(cc::Layer::Create());
// Currently, the only use case we have for overriding a user agent involves
// spoofing a desktop Linux user agent for "Request desktop site".
// Automatically set it for all WebContents so that it is available when a
// NavigationEntry requires the user agent to be overridden.
const char kLinuxInfoStr[] = "X11; Linux x86_64";
std::string product = content::GetContentClient()->GetProduct();
std::string spoofed_ua =
BuildUserAgentFromOSAndProduct(kLinuxInfoStr, product);
web_contents->SetUserAgentOverride(spoofed_ua);
java_bridge_dispatcher_host_ =
new GinJavaBridgeDispatcherHost(web_contents,
java_bridge_retained_object_set);
InitWebContents();
}
void ContentViewCoreImpl::AddObserver(
ContentViewCoreImplObserver* observer) {
observer_list_.AddObserver(observer);
}
void ContentViewCoreImpl::RemoveObserver(
ContentViewCoreImplObserver* observer) {
observer_list_.RemoveObserver(observer);
}
ContentViewCoreImpl::~ContentViewCoreImpl() {
for (auto& observer : observer_list_)
observer.OnContentViewCoreDestroyed();
observer_list_.Clear();
JNIEnv* env = base::android::AttachCurrentThread();
ScopedJavaLocalRef<jobject> j_obj = java_ref_.get(env);
java_ref_.reset();
if (!j_obj.is_null()) {
Java_ContentViewCore_onNativeContentViewCoreDestroyed(
env, j_obj, reinterpret_cast<intptr_t>(this));
}
}
void ContentViewCoreImpl::UpdateWindowAndroid(
JNIEnv* env,
const base::android::JavaParamRef<jobject>& obj,
jlong window_android) {
ui::ViewAndroid* view = GetViewAndroid();
ui::WindowAndroid* window =
reinterpret_cast<ui::WindowAndroid*>(window_android);
if (window == GetWindowAndroid())
return;
if (GetWindowAndroid()) {
for (auto& observer : observer_list_)
observer.OnDetachedFromWindow();
view->RemoveFromParent();
}
if (window) {
window->AddChild(view);
for (auto& observer : observer_list_)
observer.OnAttachedToWindow();
}
}
base::android::ScopedJavaLocalRef<jobject>
ContentViewCoreImpl::GetWebContentsAndroid(JNIEnv* env,
const JavaParamRef<jobject>& obj) {
return web_contents_->GetJavaWebContents();
}
base::android::ScopedJavaLocalRef<jobject>
ContentViewCoreImpl::GetJavaWindowAndroid(JNIEnv* env,
const JavaParamRef<jobject>& obj) {
if (!GetWindowAndroid())
return ScopedJavaLocalRef<jobject>();
return GetWindowAndroid()->GetJavaObject();
}
void ContentViewCoreImpl::OnJavaContentViewCoreDestroyed(
JNIEnv* env,
const JavaParamRef<jobject>& obj) {
DCHECK(env->IsSameObject(java_ref_.get(env).obj(), obj));
java_ref_.reset();
// Java peer has gone, ContentViewCore is not functional and waits to
// be destroyed with WebContents.
// We need to reset WebContentsViewAndroid's reference, otherwise, there
// could have call in when swapping the WebContents,
// see http://crbug.com/383939 .
DCHECK(web_contents_);
static_cast<WebContentsViewAndroid*>(
static_cast<WebContentsImpl*>(web_contents_)->GetView())->
SetContentViewCore(NULL);
}
void ContentViewCoreImpl::InitWebContents() {
DCHECK(web_contents_);
static_cast<WebContentsViewAndroid*>(
static_cast<WebContentsImpl*>(web_contents_)->GetView())->
SetContentViewCore(this);
DCHECK(!web_contents_->GetUserData(kContentViewUserDataKey));
web_contents_->SetUserData(kContentViewUserDataKey,
base::MakeUnique<ContentViewUserData>(this));
}
void ContentViewCoreImpl::RenderViewReady() {
JNIEnv* env = AttachCurrentThread();
ScopedJavaLocalRef<jobject> obj = java_ref_.get(env);
if (!obj.is_null())
Java_ContentViewCore_onRenderProcessChange(env, obj);
if (device_orientation_ != 0)
SendOrientationChangeEventInternal();
}
void ContentViewCoreImpl::RenderViewHostChanged(RenderViewHost* old_host,
RenderViewHost* new_host) {
int old_pid = 0;
if (old_host) {
old_pid = GetRenderProcessIdFromRenderViewHost(old_host);
RenderWidgetHostViewAndroid* view =
static_cast<RenderWidgetHostViewAndroid*>(
old_host->GetWidget()->GetView());
if (view)
view->SetContentViewCore(NULL);
view = static_cast<RenderWidgetHostViewAndroid*>(
new_host->GetWidget()->GetView());
if (view)
view->SetContentViewCore(this);
}
int new_pid = GetRenderProcessIdFromRenderViewHost(
web_contents_->GetRenderViewHost());
if (new_pid != old_pid) {
// Notify the Java side that the renderer process changed.
JNIEnv* env = AttachCurrentThread();
ScopedJavaLocalRef<jobject> obj = java_ref_.get(env);
if (!obj.is_null()) {
Java_ContentViewCore_onRenderProcessChange(env, obj);
}
}
SetFocusInternal(HasFocus());
SetAccessibilityEnabledInternal(accessibility_enabled_);
}
RenderWidgetHostViewAndroid*
ContentViewCoreImpl::GetRenderWidgetHostViewAndroid() const {
RenderWidgetHostView* rwhv = NULL;
if (web_contents_) {
rwhv = web_contents_->GetRenderWidgetHostView();
if (web_contents_->ShowingInterstitialPage()) {
rwhv = web_contents_->GetInterstitialPage()
->GetMainFrame()
->GetRenderViewHost()
->GetWidget()
->GetView();
}
}
return static_cast<RenderWidgetHostViewAndroid*>(rwhv);
}
ScopedJavaLocalRef<jobject> ContentViewCoreImpl::GetJavaObject() {
JNIEnv* env = AttachCurrentThread();
return java_ref_.get(env);
}
jint ContentViewCoreImpl::GetBackgroundColor(JNIEnv* env, jobject obj) {
RenderWidgetHostViewAndroid* rwhva = GetRenderWidgetHostViewAndroid();
if (!rwhva)
return SK_ColorWHITE;
return rwhva->GetCachedBackgroundColor();
}
// All positions and sizes (except |top_shown_pix|) are in CSS pixels.
// Note that viewport_width/height is a best effort based.
// ContentViewCore has the actual information about the physical viewport size.
void ContentViewCoreImpl::UpdateFrameInfo(
const gfx::Vector2dF& scroll_offset,
float page_scale_factor,
const gfx::Vector2dF& page_scale_factor_limits,
const gfx::SizeF& content_size,
const gfx::SizeF& viewport_size,
const float content_offset,
const float top_shown_pix,
bool top_changed,
bool is_mobile_optimized_hint) {
JNIEnv* env = AttachCurrentThread();
ScopedJavaLocalRef<jobject> obj = java_ref_.get(env);
if (obj.is_null() || !GetWindowAndroid())
return;
GetViewAndroid()->set_content_offset(gfx::Vector2dF(0.0f, content_offset));
page_scale_ = page_scale_factor;
Java_ContentViewCore_updateFrameInfo(
env, obj, scroll_offset.x(), scroll_offset.y(), page_scale_factor,
page_scale_factor_limits.x(), page_scale_factor_limits.y(),
content_size.width(), content_size.height(), viewport_size.width(),
viewport_size.height(), top_shown_pix, top_changed,
is_mobile_optimized_hint);
}
void ContentViewCoreImpl::ShowSelectPopupMenu(
RenderFrameHost* frame,
const gfx::Rect& bounds,
const std::vector<MenuItem>& items,
int selected_item,
bool multiple,
bool right_aligned) {
JNIEnv* env = AttachCurrentThread();
ScopedJavaLocalRef<jobject> j_obj = java_ref_.get(env);
if (j_obj.is_null())
return;
// For multi-select list popups we find the list of previous selections by
// iterating through the items. But for single selection popups we take the
// given |selected_item| as is.
ScopedJavaLocalRef<jintArray> selected_array;
if (multiple) {
std::unique_ptr<jint[]> native_selected_array(new jint[items.size()]);
size_t selected_count = 0;
for (size_t i = 0; i < items.size(); ++i) {
if (items[i].checked)
native_selected_array[selected_count++] = i;
}
selected_array = ScopedJavaLocalRef<jintArray>(
env, env->NewIntArray(selected_count));
env->SetIntArrayRegion(selected_array.obj(), 0, selected_count,
native_selected_array.get());
} else {
selected_array = ScopedJavaLocalRef<jintArray>(env, env->NewIntArray(1));
jint value = selected_item;
env->SetIntArrayRegion(selected_array.obj(), 0, 1, &value);
}
ScopedJavaLocalRef<jintArray> enabled_array(env,
env->NewIntArray(items.size()));
std::vector<base::string16> labels;
labels.reserve(items.size());
for (size_t i = 0; i < items.size(); ++i) {
labels.push_back(items[i].label);
jint enabled =
(items[i].type == MenuItem::GROUP ? POPUP_ITEM_TYPE_GROUP :
(items[i].enabled ? POPUP_ITEM_TYPE_ENABLED :
POPUP_ITEM_TYPE_DISABLED));
env->SetIntArrayRegion(enabled_array.obj(), i, 1, &enabled);
}
ScopedJavaLocalRef<jobjectArray> items_array(
base::android::ToJavaArrayOfStrings(env, labels));
ui::ViewAndroid* view = GetViewAndroid();
select_popup_ = view->AcquireAnchorView();
const ScopedJavaLocalRef<jobject> popup_view = select_popup_.view();
if (popup_view.is_null())
return;
view->SetAnchorRect(popup_view, gfx::RectF(bounds));
Java_ContentViewCore_showSelectPopup(
env, j_obj, popup_view, reinterpret_cast<intptr_t>(frame), items_array,
enabled_array, multiple, selected_array, right_aligned);
}
void ContentViewCoreImpl::HideSelectPopupMenu() {
JNIEnv* env = AttachCurrentThread();
ScopedJavaLocalRef<jobject> j_obj = java_ref_.get(env);
if (!j_obj.is_null())
Java_ContentViewCore_hideSelectPopup(env, j_obj);
select_popup_.Reset();
}
void ContentViewCoreImpl::OnGestureEventAck(const blink::WebGestureEvent& event,
InputEventAckState ack_result) {
JNIEnv* env = AttachCurrentThread();
ScopedJavaLocalRef<jobject> j_obj = java_ref_.get(env);
if (j_obj.is_null())
return;
switch (event.GetType()) {
case WebInputEvent::kGestureFlingStart:
if (ack_result == INPUT_EVENT_ACK_STATE_CONSUMED) {
// The view expects the fling velocity in pixels/s.
Java_ContentViewCore_onFlingStartEventConsumed(env, j_obj);
} else {
// If a scroll ends with a fling, a SCROLL_END event is never sent.
// However, if that fling went unconsumed, we still need to let the
// listeners know that scrolling has ended.
Java_ContentViewCore_onScrollEndEventAck(env, j_obj);
}
break;
case WebInputEvent::kGestureFlingCancel:
Java_ContentViewCore_onFlingCancelEventAck(env, j_obj);
break;
case WebInputEvent::kGestureScrollBegin:
Java_ContentViewCore_onScrollBeginEventAck(env, j_obj);
break;
case WebInputEvent::kGestureScrollUpdate:
if (ack_result == INPUT_EVENT_ACK_STATE_CONSUMED)
Java_ContentViewCore_onScrollUpdateGestureConsumed(env, j_obj);
break;
case WebInputEvent::kGestureScrollEnd:
Java_ContentViewCore_onScrollEndEventAck(env, j_obj);
break;
case WebInputEvent::kGesturePinchBegin:
Java_ContentViewCore_onPinchBeginEventAck(env, j_obj);
break;
case WebInputEvent::kGesturePinchEnd:
Java_ContentViewCore_onPinchEndEventAck(env, j_obj);
break;
case WebInputEvent::kGestureTap:
Java_ContentViewCore_onSingleTapEventAck(
env, j_obj, ack_result == INPUT_EVENT_ACK_STATE_CONSUMED);
break;
case WebInputEvent::kGestureLongPress:
if (ack_result == INPUT_EVENT_ACK_STATE_CONSUMED)
Java_ContentViewCore_performLongPressHapticFeedback(env, j_obj);
break;
default:
break;
}
}
bool ContentViewCoreImpl::FilterInputEvent(const blink::WebInputEvent& event) {
if (event.GetType() != WebInputEvent::kGestureTap &&
event.GetType() != WebInputEvent::kGestureDoubleTap &&
event.GetType() != WebInputEvent::kGestureLongTap &&
event.GetType() != WebInputEvent::kGestureLongPress)
return false;
JNIEnv* env = AttachCurrentThread();
ScopedJavaLocalRef<jobject> j_obj = java_ref_.get(env);
if (j_obj.is_null())
return false;
const blink::WebGestureEvent& gesture =
static_cast<const blink::WebGestureEvent&>(event);
int gesture_type = ToGestureEventType(event.GetType());
return Java_ContentViewCore_filterTapOrPressEvent(env, j_obj, gesture_type,
gesture.x * dpi_scale(),
gesture.y * dpi_scale());
}
bool ContentViewCoreImpl::HasFocus() {
JNIEnv* env = AttachCurrentThread();
ScopedJavaLocalRef<jobject> obj = java_ref_.get(env);
if (obj.is_null())
return false;
return Java_ContentViewCore_hasFocus(env, obj);
}
void ContentViewCoreImpl::RequestDisallowInterceptTouchEvent() {
JNIEnv* env = AttachCurrentThread();
ScopedJavaLocalRef<jobject> obj = java_ref_.get(env);
if (!obj.is_null())
Java_ContentViewCore_requestDisallowInterceptTouchEvent(env, obj);
}
bool ContentViewCoreImpl::ShowPastePopup(const ContextMenuParams& params) {
// Display paste pop-up only when selection is empty and editable.
if (!(params.is_editable && params.selection_text.empty()))
return false;
RenderWidgetHostViewAndroid* view = GetRenderWidgetHostViewAndroid();
if (!view)
return false;
JNIEnv* env = AttachCurrentThread();
ScopedJavaLocalRef<jobject> obj = java_ref_.get(env);
if (obj.is_null())
return false;
const bool can_select_all =
!!(params.edit_flags & WebContextMenuData::kCanSelectAll);
const bool can_edit_richly =
!!(params.edit_flags & blink::WebContextMenuData::kCanEditRichly);
int handle_height = GetRenderWidgetHostViewAndroid()->GetTouchHandleHeight();
Java_ContentViewCore_showPastePopup(
env, obj, params.selection_rect.x(), params.selection_rect.y(),
params.selection_rect.right(),
params.selection_rect.bottom() + handle_height, can_select_all,
can_edit_richly);
return true;
}
void ContentViewCoreImpl::ShowDisambiguationPopup(
const gfx::Rect& rect_pixels,
const SkBitmap& zoomed_bitmap) {
JNIEnv* env = AttachCurrentThread();
ScopedJavaLocalRef<jobject> obj = java_ref_.get(env);
if (obj.is_null())
return;
ScopedJavaLocalRef<jobject> rect_object(CreateJavaRect(env, rect_pixels));
ScopedJavaLocalRef<jobject> java_bitmap =
gfx::ConvertToJavaBitmap(&zoomed_bitmap);
DCHECK(!java_bitmap.is_null());
Java_ContentViewCore_showDisambiguationPopup(env, obj, rect_object,
java_bitmap);
}
ScopedJavaLocalRef<jobject>
ContentViewCoreImpl::CreateMotionEventSynthesizer() {
JNIEnv* env = AttachCurrentThread();
ScopedJavaLocalRef<jobject> obj = java_ref_.get(env);
if (obj.is_null())
return ScopedJavaLocalRef<jobject>();
return Java_ContentViewCore_createMotionEventSynthesizer(env, obj);
}
void ContentViewCoreImpl::DidStopFlinging() {
JNIEnv* env = AttachCurrentThread();
ScopedJavaLocalRef<jobject> obj = java_ref_.get(env);
if (!obj.is_null())
Java_ContentViewCore_onNativeFlingStopped(env, obj);
}
ScopedJavaLocalRef<jobject> ContentViewCoreImpl::GetContext() const {
JNIEnv* env = AttachCurrentThread();
ScopedJavaLocalRef<jobject> obj = java_ref_.get(env);
if (obj.is_null())
return ScopedJavaLocalRef<jobject>();
return Java_ContentViewCore_getContext(env, obj);
}
gfx::Size ContentViewCoreImpl::GetViewSize() const {
gfx::Size size = GetViewportSizeDip();
if (DoBrowserControlsShrinkBlinkSize())
size.Enlarge(0, -GetTopControlsHeightDip() - GetBottomControlsHeightDip());
return size;
}
gfx::Size ContentViewCoreImpl::GetViewportSizePix() const {
JNIEnv* env = AttachCurrentThread();
ScopedJavaLocalRef<jobject> j_obj = java_ref_.get(env);
if (j_obj.is_null())
return gfx::Size();
return gfx::Size(Java_ContentViewCore_getViewportWidthPix(env, j_obj),
Java_ContentViewCore_getViewportHeightPix(env, j_obj));
}
int ContentViewCoreImpl::GetTopControlsHeightPix() const {
JNIEnv* env = AttachCurrentThread();
ScopedJavaLocalRef<jobject> j_obj = java_ref_.get(env);
if (j_obj.is_null())
return 0;
return Java_ContentViewCore_getTopControlsHeightPix(env, j_obj);
}
int ContentViewCoreImpl::GetBottomControlsHeightPix() const {
JNIEnv* env = AttachCurrentThread();
ScopedJavaLocalRef<jobject> j_obj = java_ref_.get(env);
if (j_obj.is_null())
return 0;
return Java_ContentViewCore_getBottomControlsHeightPix(env, j_obj);
}
gfx::Size ContentViewCoreImpl::GetViewportSizeDip() const {
return gfx::ScaleToCeiledSize(GetViewportSizePix(), 1.0f / dpi_scale());
}
bool ContentViewCoreImpl::DoBrowserControlsShrinkBlinkSize() const {
JNIEnv* env = AttachCurrentThread();
ScopedJavaLocalRef<jobject> j_obj = java_ref_.get(env);
if (j_obj.is_null())
return false;
return Java_ContentViewCore_doBrowserControlsShrinkBlinkSize(env, j_obj);
}
float ContentViewCoreImpl::GetTopControlsHeightDip() const {
return GetTopControlsHeightPix() / dpi_scale();
}
float ContentViewCoreImpl::GetBottomControlsHeightDip() const {
return GetBottomControlsHeightPix() / dpi_scale();
}
void ContentViewCoreImpl::SendScreenRectsAndResizeWidget() {
RenderWidgetHostViewAndroid* view = GetRenderWidgetHostViewAndroid();
if (view) {
// |SendScreenRects()| indirectly calls GetViewSize() that asks Java layer.
web_contents_->SendScreenRects();
view->WasResized();
}
}
void ContentViewCoreImpl::MoveRangeSelectionExtent(const gfx::PointF& extent) {
if (!web_contents_)
return;
web_contents_->MoveRangeSelectionExtent(gfx::ToRoundedPoint(extent));
}
void ContentViewCoreImpl::SelectBetweenCoordinates(const gfx::PointF& base,
const gfx::PointF& extent) {
if (!web_contents_)
return;
gfx::Point base_point = gfx::ToRoundedPoint(base);
gfx::Point extent_point = gfx::ToRoundedPoint(extent);
if (base_point == extent_point)
return;
web_contents_->SelectRange(base_point, extent_point);
}
ui::WindowAndroid* ContentViewCoreImpl::GetWindowAndroid() const {
return GetViewAndroid()->GetWindowAndroid();
}
ui::ViewAndroid* ContentViewCoreImpl::GetViewAndroid() const {
return web_contents_->GetView()->GetNativeView();
}
// ----------------------------------------------------------------------------
// Methods called from Java via JNI
// ----------------------------------------------------------------------------
void ContentViewCoreImpl::SelectPopupMenuItems(
JNIEnv* env,
const JavaParamRef<jobject>& obj,
jlong selectPopupSourceFrame,
const JavaParamRef<jintArray>& indices) {
RenderFrameHostImpl* rfhi =
reinterpret_cast<RenderFrameHostImpl*>(selectPopupSourceFrame);
DCHECK(rfhi);
if (indices == NULL) {
rfhi->DidCancelPopupMenu();
return;
}
int selected_count = env->GetArrayLength(indices);
std::vector<int> selected_indices;
jint* indices_ptr = env->GetIntArrayElements(indices, NULL);
for (int i = 0; i < selected_count; ++i)
selected_indices.push_back(indices_ptr[i]);
env->ReleaseIntArrayElements(indices, indices_ptr, JNI_ABORT);
rfhi->DidSelectPopupMenuItems(selected_indices);
}
WebContents* ContentViewCoreImpl::GetWebContents() const {
return web_contents_;
}
void ContentViewCoreImpl::SetFocus(JNIEnv* env,
const JavaParamRef<jobject>& obj,
jboolean focused) {
SetFocusInternal(focused);
}
void ContentViewCoreImpl::SetDIPScale(JNIEnv* env,
const JavaParamRef<jobject>& obj,
jfloat dpi_scale) {
if (dpi_scale_ == dpi_scale)
return;
dpi_scale_ = dpi_scale;
SendScreenRectsAndResizeWidget();
}
void ContentViewCoreImpl::SetFocusInternal(bool focused) {
if (!GetRenderWidgetHostViewAndroid())
return;
if (focused)
GetRenderWidgetHostViewAndroid()->Focus();
else
GetRenderWidgetHostViewAndroid()->Blur();
}
void ContentViewCoreImpl::SendOrientationChangeEvent(
JNIEnv* env,
const JavaParamRef<jobject>& obj,
jint orientation) {
if (device_orientation_ != orientation) {
base::RecordAction(base::UserMetricsAction("ScreenOrientationChange"));
device_orientation_ = orientation;
SendOrientationChangeEventInternal();
}
}
WebGestureEvent ContentViewCoreImpl::MakeGestureEvent(WebInputEvent::Type type,
int64_t time_ms,
float x,
float y) const {
return WebGestureEventBuilder::Build(
type, time_ms / 1000.0, x / dpi_scale(), y / dpi_scale());
}
void ContentViewCoreImpl::SendGestureEvent(
const blink::WebGestureEvent& event) {
RenderWidgetHostViewAndroid* rwhv = GetRenderWidgetHostViewAndroid();
if (rwhv)
rwhv->SendGestureEvent(event);
}
void ContentViewCoreImpl::ScrollBegin(JNIEnv* env,
const JavaParamRef<jobject>& obj,
jlong time_ms,
jfloat x,
jfloat y,
jfloat hintx,
jfloat hinty,
jboolean target_viewport) {
WebGestureEvent event =
MakeGestureEvent(WebInputEvent::kGestureScrollBegin, time_ms, x, y);
event.data.scroll_begin.delta_x_hint = hintx / dpi_scale();
event.data.scroll_begin.delta_y_hint = hinty / dpi_scale();
event.data.scroll_begin.target_viewport = target_viewport;
SendGestureEvent(event);
}
void ContentViewCoreImpl::ScrollEnd(JNIEnv* env,
const JavaParamRef<jobject>& obj,
jlong time_ms) {
WebGestureEvent event =
MakeGestureEvent(WebInputEvent::kGestureScrollEnd, time_ms, 0, 0);
SendGestureEvent(event);
}
void ContentViewCoreImpl::ScrollBy(JNIEnv* env,
const JavaParamRef<jobject>& obj,
jlong time_ms,
jfloat x,
jfloat y,
jfloat dx,
jfloat dy) {
WebGestureEvent event =
MakeGestureEvent(WebInputEvent::kGestureScrollUpdate, time_ms, x, y);
event.data.scroll_update.delta_x = -dx / dpi_scale();
event.data.scroll_update.delta_y = -dy / dpi_scale();
SendGestureEvent(event);
}
void ContentViewCoreImpl::FlingStart(JNIEnv* env,
const JavaParamRef<jobject>& obj,
jlong time_ms,
jfloat x,
jfloat y,
jfloat vx,
jfloat vy,
jboolean target_viewport) {
WebGestureEvent event =
MakeGestureEvent(WebInputEvent::kGestureFlingStart, time_ms, x, y);
event.data.fling_start.velocity_x = vx / dpi_scale();
event.data.fling_start.velocity_y = vy / dpi_scale();
event.data.fling_start.target_viewport = target_viewport;
SendGestureEvent(event);
}
void ContentViewCoreImpl::FlingCancel(JNIEnv* env,
const JavaParamRef<jobject>& obj,
jlong time_ms) {
WebGestureEvent event =
MakeGestureEvent(WebInputEvent::kGestureFlingCancel, time_ms, 0, 0);
event.data.fling_cancel.prevent_boosting = true;
SendGestureEvent(event);
}
void ContentViewCoreImpl::DoubleTap(JNIEnv* env,
const JavaParamRef<jobject>& obj,
jlong time_ms,
jfloat x,
jfloat y) {
WebGestureEvent event =
MakeGestureEvent(WebInputEvent::kGestureDoubleTap, time_ms, x, y);
// Set the tap count to 1 even for DoubleTap, in order to be consistent with
// double tap behavior on a mobile viewport. See crbug.com/234986 for context.
event.data.tap.tap_count = 1;
SendGestureEvent(event);
}
void ContentViewCoreImpl::ResolveTapDisambiguation(
JNIEnv* env,
const JavaParamRef<jobject>& obj,
jlong time_ms,
jfloat x,
jfloat y,
jboolean is_long_press) {
RenderWidgetHostViewAndroid* rwhv = GetRenderWidgetHostViewAndroid();
if (!rwhv)
return;
rwhv->ResolveTapDisambiguation(time_ms / 1000.0,
gfx::Point(x / dpi_scale_, y / dpi_scale_),
is_long_press);
}
void ContentViewCoreImpl::PinchBegin(JNIEnv* env,
const JavaParamRef<jobject>& obj,
jlong time_ms,
jfloat x,
jfloat y) {
WebGestureEvent event =
MakeGestureEvent(WebInputEvent::kGesturePinchBegin, time_ms, x, y);
SendGestureEvent(event);
}
void ContentViewCoreImpl::PinchEnd(JNIEnv* env,
const JavaParamRef<jobject>& obj,
jlong time_ms) {
WebGestureEvent event =
MakeGestureEvent(WebInputEvent::kGesturePinchEnd, time_ms, 0, 0);
SendGestureEvent(event);
}
void ContentViewCoreImpl::PinchBy(JNIEnv* env,
const JavaParamRef<jobject>& obj,
jlong time_ms,
jfloat anchor_x,
jfloat anchor_y,
jfloat delta) {
WebGestureEvent event = MakeGestureEvent(WebInputEvent::kGesturePinchUpdate,
time_ms, anchor_x, anchor_y);
event.data.pinch_update.scale = delta;
SendGestureEvent(event);
}
void ContentViewCoreImpl::SetTextHandlesTemporarilyHidden(
JNIEnv* env,
const JavaParamRef<jobject>& obj,
jboolean hidden) {
RenderWidgetHostViewAndroid* rwhv = GetRenderWidgetHostViewAndroid();
if (rwhv)
rwhv->SetTextHandlesTemporarilyHidden(hidden);
}
void ContentViewCoreImpl::ResetGestureDetection(
JNIEnv* env,
const JavaParamRef<jobject>& obj) {
RenderWidgetHostViewAndroid* rwhv = GetRenderWidgetHostViewAndroid();
if (rwhv)
rwhv->ResetGestureDetection();
}
void ContentViewCoreImpl::SetDoubleTapSupportEnabled(
JNIEnv* env,
const JavaParamRef<jobject>& obj,
jboolean enabled) {
RenderWidgetHostViewAndroid* rwhv = GetRenderWidgetHostViewAndroid();
if (rwhv)
rwhv->SetDoubleTapSupportEnabled(enabled);
}
void ContentViewCoreImpl::SetMultiTouchZoomSupportEnabled(
JNIEnv* env,
const JavaParamRef<jobject>& obj,
jboolean enabled) {
RenderWidgetHostViewAndroid* rwhv = GetRenderWidgetHostViewAndroid();
if (rwhv)
rwhv->SetMultiTouchZoomSupportEnabled(enabled);
}
void ContentViewCoreImpl::OnTouchDown(
const base::android::ScopedJavaLocalRef<jobject>& event) {
JNIEnv* env = AttachCurrentThread();
ScopedJavaLocalRef<jobject> obj = java_ref_.get(env);
if (obj.is_null())
return;
Java_ContentViewCore_onTouchDown(env, obj, event);
}
void ContentViewCoreImpl::SetAllowJavascriptInterfacesInspection(
JNIEnv* env,
const JavaParamRef<jobject>& obj,
jboolean allow) {
java_bridge_dispatcher_host_->SetAllowObjectContentsInspection(allow);
}
void ContentViewCoreImpl::AddJavascriptInterface(
JNIEnv* env,
const JavaParamRef<jobject>& /* obj */,
const JavaParamRef<jobject>& object,
const JavaParamRef<jstring>& name,
const JavaParamRef<jclass>& safe_annotation_clazz) {
java_bridge_dispatcher_host_->AddNamedObject(
ConvertJavaStringToUTF8(env, name), object, safe_annotation_clazz);
}
void ContentViewCoreImpl::RemoveJavascriptInterface(
JNIEnv* env,
const JavaParamRef<jobject>& /* obj */,
const JavaParamRef<jstring>& name) {
java_bridge_dispatcher_host_->RemoveNamedObject(
ConvertJavaStringToUTF8(env, name));
}
void ContentViewCoreImpl::WasResized(JNIEnv* env,
const JavaParamRef<jobject>& obj) {
SendScreenRectsAndResizeWidget();
}
void ContentViewCoreImpl::SetAccessibilityEnabled(
JNIEnv* env,
const JavaParamRef<jobject>& obj,
bool enabled) {
SetAccessibilityEnabledInternal(enabled);
}
void ContentViewCoreImpl::SetTextTrackSettings(
JNIEnv* env,
const JavaParamRef<jobject>& obj,
jboolean textTracksEnabled,
const JavaParamRef<jstring>& textTrackBackgroundColor,
const JavaParamRef<jstring>& textTrackFontFamily,
const JavaParamRef<jstring>& textTrackFontStyle,
const JavaParamRef<jstring>& textTrackFontVariant,
const JavaParamRef<jstring>& textTrackTextColor,
const JavaParamRef<jstring>& textTrackTextShadow,
const JavaParamRef<jstring>& textTrackTextSize) {
FrameMsg_TextTrackSettings_Params params;
params.text_tracks_enabled = textTracksEnabled;
params.text_track_background_color = ConvertJavaStringToUTF8(
env, textTrackBackgroundColor);
params.text_track_font_family = ConvertJavaStringToUTF8(
env, textTrackFontFamily);
params.text_track_font_style = ConvertJavaStringToUTF8(
env, textTrackFontStyle);
params.text_track_font_variant = ConvertJavaStringToUTF8(
env, textTrackFontVariant);
params.text_track_text_color = ConvertJavaStringToUTF8(
env, textTrackTextColor);
params.text_track_text_shadow = ConvertJavaStringToUTF8(
env, textTrackTextShadow);
params.text_track_text_size = ConvertJavaStringToUTF8(
env, textTrackTextSize);
web_contents_->GetMainFrame()->SetTextTrackSettings(params);
}
bool ContentViewCoreImpl::IsFullscreenRequiredForOrientationLock() const {
JNIEnv* env = AttachCurrentThread();
ScopedJavaLocalRef<jobject> obj = java_ref_.get(env);
if (obj.is_null())
return true;
return Java_ContentViewCore_isFullscreenRequiredForOrientationLock(env, obj);
}
void ContentViewCoreImpl::SetAccessibilityEnabledInternal(bool enabled) {
accessibility_enabled_ = enabled;
BrowserAccessibilityStateImpl* accessibility_state =
BrowserAccessibilityStateImpl::GetInstance();
if (enabled) {
// First check if we already have a BrowserAccessibilityManager that
// just needs to be connected to the ContentViewCore.
if (web_contents_) {
BrowserAccessibilityManagerAndroid* manager =
static_cast<BrowserAccessibilityManagerAndroid*>(
web_contents_->GetRootBrowserAccessibilityManager());
if (manager) {
manager->SetContentViewCore(GetJavaObject());
return;
}
}
// Otherwise, enable accessibility globally unless it was
// explicitly disallowed by a command-line flag, then enable it for
// this WebContents if that succeeded.
accessibility_state->OnScreenReaderDetected();
if (accessibility_state->IsAccessibleBrowser() && web_contents_) {
web_contents_->AddAccessibilityMode(kAccessibilityModeComplete);
}
} else {
accessibility_state->ResetAccessibilityMode();
if (web_contents_) {
web_contents_->SetAccessibilityMode(
accessibility_state->accessibility_mode());
}
}
}
void ContentViewCoreImpl::SendOrientationChangeEventInternal() {
RenderWidgetHostViewAndroid* rwhv = GetRenderWidgetHostViewAndroid();
if (rwhv)
rwhv->UpdateScreenInfo(GetViewAndroid());
static_cast<WebContentsImpl*>(web_contents())->OnScreenOrientationChange();
}
jint ContentViewCoreImpl::GetCurrentRenderProcessId(
JNIEnv* env,
const JavaParamRef<jobject>& obj) {
return GetRenderProcessIdFromRenderViewHost(
web_contents_->GetRenderViewHost());
}
void ContentViewCoreImpl::SetBackgroundOpaque(JNIEnv* env,
const JavaParamRef<jobject>& jobj,
jboolean opaque) {
if (GetRenderWidgetHostViewAndroid()) {
if (opaque)
GetRenderWidgetHostViewAndroid()->SetBackgroundColorToDefault();
else
GetRenderWidgetHostViewAndroid()->SetBackgroundColor(SK_ColorTRANSPARENT);
}
}
bool ContentViewCoreImpl::IsTouchDragDropEnabled(
JNIEnv* env,
const base::android::JavaParamRef<jobject>& jobj) {
return switches::IsTouchDragDropEnabled();
}
void ContentViewCoreImpl::OnDragEvent(
JNIEnv* env,
const base::android::JavaParamRef<jobject>& jobj,
jint action,
jint x,
jint y,
jint screen_x,
jint screen_y,
const base::android::JavaParamRef<jobjectArray>& j_mimeTypes,
const base::android::JavaParamRef<jstring>& j_content) {
WebContentsViewAndroid* wcva = static_cast<WebContentsViewAndroid*>(
static_cast<WebContentsImpl*>(web_contents())->GetView());
const gfx::Point location(x, y);
const gfx::Point screen_location(screen_x, screen_y);
std::vector<base::string16> mime_types;
base::android::AppendJavaStringArrayToStringVector(env, j_mimeTypes,
&mime_types);
switch (action) {
case JNI_DragEvent::ACTION_DRAG_ENTERED: {
std::vector<DropData::Metadata> metadata;
for (const base::string16& mime_type : mime_types) {
metadata.push_back(DropData::Metadata::CreateForMimeType(
DropData::Kind::STRING, mime_type));
}
wcva->OnDragEntered(metadata, location, screen_location);
break;
}
case JNI_DragEvent::ACTION_DRAG_LOCATION: {
wcva->OnDragUpdated(location, screen_location);
break;
}
case JNI_DragEvent::ACTION_DROP: {
base::string16 text_to_drop = ConvertJavaStringToUTF16(env, j_content);
DropData drop_data;
drop_data.did_originate_from_renderer = false;
for (const base::string16& mime_type : mime_types) {
if (base::EqualsASCII(mime_type, ui::Clipboard::kMimeTypeURIList)) {
drop_data.url = GURL(text_to_drop);
} else if (base::EqualsASCII(mime_type, ui::Clipboard::kMimeTypeText)) {
drop_data.text = base::NullableString16(text_to_drop, false);
} else {
drop_data.html = base::NullableString16(text_to_drop, false);
}
}
wcva->OnPerformDrop(&drop_data, location, screen_location);
break;
}
case JNI_DragEvent::ACTION_DRAG_EXITED:
wcva->OnDragExited();
break;
case JNI_DragEvent::ACTION_DRAG_ENDED:
wcva->OnDragEnded();
break;
case JNI_DragEvent::ACTION_DRAG_STARTED:
// Nothing meaningful to do.
break;
}
}
void ContentViewCoreImpl::OnShowUnhandledTapUIIfNeeded(int x_dip, int y_dip) {
JNIEnv* env = AttachCurrentThread();
ScopedJavaLocalRef<jobject> obj = java_ref_.get(env);
if (obj.is_null())
return;
Java_ContentViewCore_onShowUnhandledTapUIIfNeeded(
env, obj, static_cast<jint>(x_dip * dpi_scale()),
static_cast<jint>(y_dip * dpi_scale()));
}
void ContentViewCoreImpl::HidePopupsAndPreserveSelection() {
JNIEnv* env = AttachCurrentThread();
ScopedJavaLocalRef<jobject> obj = java_ref_.get(env);
if (obj.is_null())
return;
Java_ContentViewCore_hidePopupsAndPreserveSelection(env, obj);
}
void ContentViewCoreImpl::WebContentsDestroyed() {
WebContentsViewAndroid* wcva = static_cast<WebContentsViewAndroid*>(
static_cast<WebContentsImpl*>(web_contents())->GetView());
DCHECK(wcva);
wcva->SetContentViewCore(NULL);
}
// This is called for each ContentView.
jlong Init(JNIEnv* env,
const JavaParamRef<jobject>& obj,
const JavaParamRef<jobject>& jweb_contents,
const JavaParamRef<jobject>& jview_android_delegate,
jlong jwindow_android,
jfloat dip_scale,
const JavaParamRef<jobject>& retained_objects_set) {
WebContentsImpl* web_contents = static_cast<WebContentsImpl*>(
WebContents::FromJavaWebContents(jweb_contents));
CHECK(web_contents) <<
"A ContentViewCoreImpl should be created with a valid WebContents.";
ui::ViewAndroid* view_android = web_contents->GetView()->GetNativeView();
view_android->SetDelegate(jview_android_delegate);
view_android->SetLayout(ui::ViewAndroid::LayoutParams::MatchParent());
ui::WindowAndroid* window_android =
reinterpret_cast<ui::WindowAndroid*>(jwindow_android);
DCHECK(window_android);
window_android->AddChild(view_android);
ContentViewCoreImpl* view = new ContentViewCoreImpl(
env, obj, web_contents, dip_scale, retained_objects_set);
return reinterpret_cast<intptr_t>(view);
}
static ScopedJavaLocalRef<jobject> FromWebContentsAndroid(
JNIEnv* env,
const JavaParamRef<jclass>& clazz,
const JavaParamRef<jobject>& jweb_contents) {
WebContents* web_contents = WebContents::FromJavaWebContents(jweb_contents);
if (!web_contents)
return ScopedJavaLocalRef<jobject>();
ContentViewCore* view = ContentViewCore::FromWebContents(web_contents);
if (!view)
return ScopedJavaLocalRef<jobject>();
return view->GetJavaObject();
}
bool RegisterContentViewCore(JNIEnv* env) {
return RegisterNativesImpl(env);
}
} // namespace content