| // Copyright (c) 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/renderer_host/render_widget_host_view_android.h" |
| |
| #include <android/bitmap.h> |
| |
| #include <utility> |
| |
| #include "base/android/application_status_listener.h" |
| #include "base/android/build_info.h" |
| #include "base/android/context_utils.h" |
| #include "base/bind.h" |
| #include "base/callback_helpers.h" |
| #include "base/command_line.h" |
| #include "base/location.h" |
| #include "base/logging.h" |
| #include "base/macros.h" |
| #include "base/memory/ptr_util.h" |
| #include "base/memory/ref_counted.h" |
| #include "base/metrics/histogram_macros.h" |
| #include "base/single_thread_task_runner.h" |
| #include "base/strings/utf_string_conversions.h" |
| #include "base/sys_info.h" |
| #include "base/threading/thread_task_runner_handle.h" |
| #include "base/threading/worker_pool.h" |
| #include "cc/layers/layer.h" |
| #include "cc/layers/surface_layer.h" |
| #include "cc/output/compositor_frame.h" |
| #include "cc/output/copy_output_request.h" |
| #include "cc/output/copy_output_result.h" |
| #include "cc/output/latency_info_swap_promise.h" |
| #include "cc/resources/single_release_callback.h" |
| #include "cc/surfaces/surface.h" |
| #include "cc/surfaces/surface_factory.h" |
| #include "cc/surfaces/surface_manager.h" |
| #include "cc/trees/layer_tree_host.h" |
| #include "components/display_compositor/gl_helper.h" |
| #include "content/browser/accessibility/browser_accessibility_manager_android.h" |
| #include "content/browser/android/composited_touch_handle_drawable.h" |
| #include "content/browser/android/content_view_core_impl.h" |
| #include "content/browser/android/overscroll_controller_android.h" |
| #include "content/browser/android/synchronous_compositor_host.h" |
| #include "content/browser/devtools/render_frame_devtools_agent_host.h" |
| #include "content/browser/gpu/browser_gpu_channel_host_factory.h" |
| #include "content/browser/gpu/compositor_util.h" |
| #include "content/browser/gpu/gpu_data_manager_impl.h" |
| #include "content/browser/gpu/gpu_process_host_ui_shim.h" |
| #include "content/browser/media/android/media_web_contents_observer_android.h" |
| #include "content/browser/renderer_host/compositor_impl_android.h" |
| #include "content/browser/renderer_host/dip_util.h" |
| #include "content/browser/renderer_host/frame_metadata_util.h" |
| #include "content/browser/renderer_host/input/input_router_impl.h" |
| #include "content/browser/renderer_host/input/synthetic_gesture_target_android.h" |
| #include "content/browser/renderer_host/input/web_input_event_builders_android.h" |
| #include "content/browser/renderer_host/render_process_host_impl.h" |
| #include "content/browser/renderer_host/render_view_host_delegate_view.h" |
| #include "content/browser/renderer_host/render_view_host_impl.h" |
| #include "content/browser/renderer_host/render_widget_host_impl.h" |
| #include "content/common/gpu_host_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/android/synchronous_compositor_client.h" |
| #include "content/public/browser/browser_thread.h" |
| #include "content/public/browser/devtools_agent_host.h" |
| #include "content/public/browser/render_view_host.h" |
| #include "content/public/browser/render_widget_host_iterator.h" |
| #include "content/public/common/content_switches.h" |
| #include "gpu/command_buffer/client/gles2_implementation.h" |
| #include "gpu/command_buffer/client/gles2_interface.h" |
| #include "gpu/config/gpu_driver_bug_workaround_type.h" |
| #include "ipc/ipc_message_macros.h" |
| #include "ipc/ipc_message_start.h" |
| #include "skia/ext/image_operations.h" |
| #include "third_party/khronos/GLES2/gl2.h" |
| #include "third_party/khronos/GLES2/gl2ext.h" |
| #include "third_party/skia/include/core/SkCanvas.h" |
| #include "ui/android/window_android.h" |
| #include "ui/android/window_android_compositor.h" |
| #include "ui/base/layout.h" |
| #include "ui/display/display.h" |
| #include "ui/display/screen.h" |
| #include "ui/events/base_event_utils.h" |
| #include "ui/events/blink/blink_event_util.h" |
| #include "ui/events/blink/did_overscroll_params.h" |
| #include "ui/events/blink/web_input_event_traits.h" |
| #include "ui/events/gesture_detection/gesture_provider_config_helper.h" |
| #include "ui/events/gesture_detection/motion_event.h" |
| #include "ui/gfx/android/java_bitmap.h" |
| #include "ui/gfx/android/view_configuration.h" |
| #include "ui/gfx/geometry/dip_util.h" |
| #include "ui/gfx/geometry/size_conversions.h" |
| #include "ui/touch_selection/touch_selection_controller.h" |
| |
| namespace content { |
| |
| namespace { |
| |
| const int kUndefinedCompositorFrameSinkId = -1; |
| |
| static const char kAsyncReadBackString[] = "Compositing.CopyFromSurfaceTime"; |
| |
| class PendingReadbackLock; |
| |
| PendingReadbackLock* g_pending_readback_lock = nullptr; |
| |
| class PendingReadbackLock : public base::RefCounted<PendingReadbackLock> { |
| public: |
| PendingReadbackLock() { |
| DCHECK_EQ(g_pending_readback_lock, nullptr); |
| g_pending_readback_lock = this; |
| } |
| |
| private: |
| friend class base::RefCounted<PendingReadbackLock>; |
| |
| ~PendingReadbackLock() { |
| DCHECK_EQ(g_pending_readback_lock, this); |
| g_pending_readback_lock = nullptr; |
| } |
| }; |
| |
| using base::android::ApplicationState; |
| using base::android::ApplicationStatusListener; |
| |
| class GLHelperHolder { |
| public: |
| static GLHelperHolder* Create(); |
| |
| display_compositor::GLHelper* gl_helper() { return gl_helper_.get(); } |
| bool IsLost() { |
| if (!gl_helper_) |
| return true; |
| return provider_->ContextGL()->GetGraphicsResetStatusKHR() != GL_NO_ERROR; |
| } |
| |
| void ReleaseIfPossible(); |
| |
| private: |
| GLHelperHolder(); |
| void Initialize(); |
| void OnContextLost(); |
| void OnApplicationStatusChanged(ApplicationState new_state); |
| |
| scoped_refptr<ui::ContextProviderCommandBuffer> provider_; |
| std::unique_ptr<display_compositor::GLHelper> gl_helper_; |
| |
| // Set to |false| if there are only stopped activities (or none). |
| bool has_running_or_paused_activities_; |
| |
| std::unique_ptr<ApplicationStatusListener> app_status_listener_; |
| |
| DISALLOW_COPY_AND_ASSIGN(GLHelperHolder); |
| }; |
| |
| GLHelperHolder::GLHelperHolder() |
| : has_running_or_paused_activities_( |
| (ApplicationStatusListener::GetState() == |
| base::android::APPLICATION_STATE_HAS_RUNNING_ACTIVITIES) || |
| (ApplicationStatusListener::GetState() == |
| base::android::APPLICATION_STATE_HAS_PAUSED_ACTIVITIES)) {} |
| |
| GLHelperHolder* GLHelperHolder::Create() { |
| GLHelperHolder* holder = new GLHelperHolder; |
| holder->Initialize(); |
| return holder; |
| } |
| |
| void GLHelperHolder::Initialize() { |
| auto* factory = BrowserGpuChannelHostFactory::instance(); |
| scoped_refptr<gpu::GpuChannelHost> gpu_channel_host(factory->GetGpuChannel()); |
| |
| // The Browser Compositor is in charge of reestablishing the channel if its |
| // missing. |
| if (!gpu_channel_host) |
| return; |
| |
| // This is for an offscreen context, so we don't need the default framebuffer |
| // to have alpha, stencil, depth, antialiasing. |
| gpu::gles2::ContextCreationAttribHelper attributes; |
| attributes.alpha_size = -1; |
| attributes.stencil_size = 0; |
| attributes.depth_size = 0; |
| attributes.samples = 0; |
| attributes.sample_buffers = 0; |
| attributes.bind_generates_resource = false; |
| |
| gpu::SharedMemoryLimits limits; |
| // The GLHelper context doesn't do a lot of stuff, so we don't expect it to |
| // need a lot of space for commands. |
| limits.command_buffer_size = 1024; |
| // The transfer buffer is used for shaders among other things, so give some |
| // reasonable but small limit. |
| limits.start_transfer_buffer_size = 4 * 1024; |
| limits.min_transfer_buffer_size = 4 * 1024; |
| limits.max_transfer_buffer_size = 128 * 1024; |
| // Very few allocations from mapped memory pool, so this can be really low. |
| limits.mapped_memory_reclaim_limit = 4 * 1024; |
| |
| constexpr bool automatic_flushes = false; |
| constexpr bool support_locking = false; |
| const GURL url("chrome://gpu/RenderWidgetHostViewAndroid"); |
| |
| provider_ = new ui::ContextProviderCommandBuffer( |
| std::move(gpu_channel_host), gpu::GPU_STREAM_DEFAULT, |
| gpu::GpuStreamPriority::NORMAL, gpu::kNullSurfaceHandle, url, |
| automatic_flushes, support_locking, limits, attributes, nullptr, |
| ui::command_buffer_metrics::BROWSER_OFFSCREEN_MAINTHREAD_CONTEXT); |
| if (!provider_->BindToCurrentThread()) |
| return; |
| provider_->ContextGL()->TraceBeginCHROMIUM( |
| "gpu_toplevel", |
| base::StringPrintf("CmdBufferImageTransportFactory-%p", provider_.get()) |
| .c_str()); |
| provider_->SetLostContextCallback( |
| base::Bind(&GLHelperHolder::OnContextLost, base::Unretained(this))); |
| gl_helper_.reset(new display_compositor::GLHelper( |
| provider_->ContextGL(), provider_->ContextSupport())); |
| |
| // Unretained() is safe because |this| owns the following two callbacks. |
| app_status_listener_.reset(new ApplicationStatusListener(base::Bind( |
| &GLHelperHolder::OnApplicationStatusChanged, base::Unretained(this)))); |
| } |
| |
| void GLHelperHolder::ReleaseIfPossible() { |
| if (!has_running_or_paused_activities_ && !g_pending_readback_lock) { |
| gl_helper_.reset(); |
| provider_ = nullptr; |
| // Make sure this will get recreated on next use. |
| DCHECK(IsLost()); |
| } |
| } |
| |
| void GLHelperHolder::OnContextLost() { |
| app_status_listener_.reset(); |
| gl_helper_.reset(); |
| // Need to post a task because the command buffer client cannot be deleted |
| // from within this callback. |
| base::ThreadTaskRunnerHandle::Get()->PostTask( |
| FROM_HERE, base::Bind(&RenderWidgetHostViewAndroid::OnContextLost)); |
| } |
| |
| void GLHelperHolder::OnApplicationStatusChanged(ApplicationState new_state) { |
| has_running_or_paused_activities_ = |
| new_state == base::android::APPLICATION_STATE_HAS_RUNNING_ACTIVITIES || |
| new_state == base::android::APPLICATION_STATE_HAS_PAUSED_ACTIVITIES; |
| ReleaseIfPossible(); |
| } |
| |
| GLHelperHolder* GetPostReadbackGLHelperHolder(bool create_if_necessary) { |
| static GLHelperHolder* g_readback_helper_holder = nullptr; |
| |
| if (!create_if_necessary && !g_readback_helper_holder) |
| return nullptr; |
| |
| if (g_readback_helper_holder && g_readback_helper_holder->IsLost()) { |
| delete g_readback_helper_holder; |
| g_readback_helper_holder = nullptr; |
| } |
| |
| if (!g_readback_helper_holder) |
| g_readback_helper_holder = GLHelperHolder::Create(); |
| |
| return g_readback_helper_holder; |
| } |
| |
| display_compositor::GLHelper* GetPostReadbackGLHelper() { |
| bool create_if_necessary = true; |
| return GetPostReadbackGLHelperHolder(create_if_necessary)->gl_helper(); |
| } |
| |
| void ReleaseGLHelper() { |
| bool create_if_necessary = false; |
| GLHelperHolder* holder = GetPostReadbackGLHelperHolder(create_if_necessary); |
| |
| if (holder) { |
| holder->ReleaseIfPossible(); |
| } |
| } |
| |
| void CopyFromCompositingSurfaceFinished( |
| const ReadbackRequestCallback& callback, |
| std::unique_ptr<cc::SingleReleaseCallback> release_callback, |
| std::unique_ptr<SkBitmap> bitmap, |
| const base::TimeTicks& start_time, |
| std::unique_ptr<SkAutoLockPixels> bitmap_pixels_lock, |
| scoped_refptr<PendingReadbackLock> readback_lock, |
| bool result) { |
| TRACE_EVENT0( |
| "cc", "RenderWidgetHostViewAndroid::CopyFromCompositingSurfaceFinished"); |
| bitmap_pixels_lock.reset(); |
| gpu::SyncToken sync_token; |
| if (result) { |
| display_compositor::GLHelper* gl_helper = GetPostReadbackGLHelper(); |
| if (gl_helper) |
| gl_helper->GenerateSyncToken(&sync_token); |
| } |
| |
| // PostTask() to make sure the |readback_lock| is released. Also do this |
| // synchronous GPU operation in a clean callstack. |
| BrowserThread::PostTask(BrowserThread::UI, FROM_HERE, |
| base::Bind(&ReleaseGLHelper)); |
| |
| const bool lost_resource = !sync_token.HasData(); |
| release_callback->Run(sync_token, lost_resource); |
| UMA_HISTOGRAM_TIMES(kAsyncReadBackString, |
| base::TimeTicks::Now() - start_time); |
| ReadbackResponse response = result ? READBACK_SUCCESS : READBACK_FAILED; |
| callback.Run(*bitmap, response); |
| } |
| |
| std::unique_ptr<ui::TouchSelectionController> CreateSelectionController( |
| ui::TouchSelectionControllerClient* client, |
| ContentViewCore* content_view_core) { |
| DCHECK(client); |
| DCHECK(content_view_core); |
| ui::TouchSelectionController::Config config; |
| config.max_tap_duration = base::TimeDelta::FromMilliseconds( |
| gfx::ViewConfiguration::GetLongPressTimeoutInMs()); |
| config.tap_slop = gfx::ViewConfiguration::GetTouchSlopInDips(); |
| config.enable_adaptive_handle_orientation = |
| base::CommandLine::ForCurrentProcess()->HasSwitch( |
| switches::kEnableAdaptiveSelectionHandleOrientation); |
| config.enable_longpress_drag_selection = |
| base::CommandLine::ForCurrentProcess()->HasSwitch( |
| switches::kEnableLongpressDragSelection); |
| return base::MakeUnique<ui::TouchSelectionController>(client, config); |
| } |
| |
| gfx::RectF GetSelectionRect(const ui::TouchSelectionController& controller) { |
| gfx::RectF rect = controller.GetRectBetweenBounds(); |
| if (rect.IsEmpty()) |
| return rect; |
| |
| rect.Union(controller.GetStartHandleRect()); |
| rect.Union(controller.GetEndHandleRect()); |
| return rect; |
| } |
| |
| // TODO(wjmaclean): There is significant overlap between |
| // PrepareTextureCopyOutputResult and CopyFromCompositingSurfaceFinished in |
| // this file, and the versions in surface_utils.cc. They should |
| // be merged. See https://crbug.com/582955 |
| void PrepareTextureCopyOutputResult( |
| const gfx::Size& dst_size_in_pixel, |
| SkColorType color_type, |
| const base::TimeTicks& start_time, |
| const ReadbackRequestCallback& callback, |
| scoped_refptr<PendingReadbackLock> readback_lock, |
| std::unique_ptr<cc::CopyOutputResult> result) { |
| base::ScopedClosureRunner scoped_callback_runner( |
| base::Bind(callback, SkBitmap(), READBACK_FAILED)); |
| TRACE_EVENT0("cc", |
| "RenderWidgetHostViewAndroid::PrepareTextureCopyOutputResult"); |
| if (!result->HasTexture() || result->IsEmpty() || result->size().IsEmpty()) |
| return; |
| cc::TextureMailbox texture_mailbox; |
| std::unique_ptr<cc::SingleReleaseCallback> release_callback; |
| result->TakeTexture(&texture_mailbox, &release_callback); |
| DCHECK(texture_mailbox.IsTexture()); |
| if (!texture_mailbox.IsTexture()) |
| return; |
| display_compositor::GLHelper* gl_helper = GetPostReadbackGLHelper(); |
| if (!gl_helper) |
| return; |
| if (!gl_helper->IsReadbackConfigSupported(color_type)) |
| color_type = kRGBA_8888_SkColorType; |
| |
| gfx::Size output_size_in_pixel; |
| if (dst_size_in_pixel.IsEmpty()) |
| output_size_in_pixel = result->size(); |
| else |
| output_size_in_pixel = dst_size_in_pixel; |
| |
| std::unique_ptr<SkBitmap> bitmap(new SkBitmap); |
| if (!bitmap->tryAllocPixels(SkImageInfo::Make(output_size_in_pixel.width(), |
| output_size_in_pixel.height(), |
| color_type, |
| kOpaque_SkAlphaType))) { |
| scoped_callback_runner.ReplaceClosure( |
| base::Bind(callback, SkBitmap(), READBACK_BITMAP_ALLOCATION_FAILURE)); |
| return; |
| } |
| |
| std::unique_ptr<SkAutoLockPixels> bitmap_pixels_lock( |
| new SkAutoLockPixels(*bitmap)); |
| uint8_t* pixels = static_cast<uint8_t*>(bitmap->getPixels()); |
| |
| ignore_result(scoped_callback_runner.Release()); |
| |
| gl_helper->CropScaleReadbackAndCleanMailbox( |
| texture_mailbox.mailbox(), texture_mailbox.sync_token(), result->size(), |
| gfx::Rect(result->size()), output_size_in_pixel, pixels, color_type, |
| base::Bind(&CopyFromCompositingSurfaceFinished, callback, |
| base::Passed(&release_callback), base::Passed(&bitmap), |
| start_time, base::Passed(&bitmap_pixels_lock), readback_lock), |
| display_compositor::GLHelper::SCALER_QUALITY_GOOD); |
| } |
| |
| bool FloatEquals(float a, float b) { |
| return std::abs(a - b) < FLT_EPSILON; |
| } |
| |
| } // namespace |
| |
| void RenderWidgetHostViewAndroid::OnContextLost() { |
| std::unique_ptr<RenderWidgetHostIterator> widgets( |
| RenderWidgetHostImpl::GetAllRenderWidgetHosts()); |
| while (RenderWidgetHost* widget = widgets->GetNextHost()) { |
| if (widget->GetView()) { |
| static_cast<RenderWidgetHostViewAndroid*>(widget->GetView()) |
| ->OnLostResources(); |
| } |
| } |
| } |
| |
| RenderWidgetHostViewAndroid::RenderWidgetHostViewAndroid( |
| RenderWidgetHostImpl* widget_host, |
| ContentViewCoreImpl* content_view_core) |
| : host_(widget_host), |
| begin_frame_source_(nullptr), |
| outstanding_begin_frame_requests_(0), |
| is_showing_(!widget_host->is_hidden()), |
| is_window_visible_(true), |
| is_window_activity_started_(true), |
| is_in_vr_(false), |
| content_view_core_(nullptr), |
| ime_adapter_android_(this), |
| cached_background_color_(SK_ColorWHITE), |
| last_compositor_frame_sink_id_(kUndefinedCompositorFrameSinkId), |
| gesture_provider_(ui::GetGestureProviderConfig( |
| ui::GestureProviderConfigType::CURRENT_PLATFORM), |
| this), |
| stylus_text_selector_(this), |
| using_browser_compositor_(CompositorImpl::IsInitialized()), |
| synchronous_compositor_client_(nullptr), |
| frame_evictor_(new DelegatedFrameEvictor(this)), |
| observing_root_window_(false), |
| prev_top_shown_pix_(0.f), |
| prev_bottom_shown_pix_(0.f), |
| weak_ptr_factory_(this) { |
| // Set the layer which will hold the content layer for this view. The content |
| // layer is managed by the DelegatedFrameHost. |
| view_.SetLayer(cc::Layer::Create()); |
| if (using_browser_compositor_) { |
| cc::FrameSinkId frame_sink_id = |
| host_->AllocateFrameSinkId(false /* is_guest_view_hack */); |
| delegated_frame_host_.reset(new ui::DelegatedFrameHostAndroid( |
| &view_, CompositorImpl::GetSurfaceManager(), this, frame_sink_id)); |
| } |
| |
| host_->SetView(this); |
| SetContentViewCore(content_view_core); |
| |
| CreateOverscrollControllerIfPossible(); |
| |
| if (GetTextInputManager()) |
| GetTextInputManager()->AddObserver(this); |
| } |
| |
| RenderWidgetHostViewAndroid::~RenderWidgetHostViewAndroid() { |
| if (content_view_core_) |
| content_view_core_->RemoveObserver(this); |
| SetContentViewCore(NULL); |
| DCHECK(ack_callbacks_.empty()); |
| DCHECK(!delegated_frame_host_); |
| } |
| |
| void RenderWidgetHostViewAndroid::Blur() { |
| host_->Blur(); |
| if (overscroll_controller_) |
| overscroll_controller_->Disable(); |
| } |
| |
| bool RenderWidgetHostViewAndroid::OnMessageReceived( |
| const IPC::Message& message) { |
| if (IPC_MESSAGE_ID_CLASS(message.type()) == SyncCompositorMsgStart) { |
| return SyncCompositorOnMessageReceived(message); |
| } |
| bool handled = true; |
| IPC_BEGIN_MESSAGE_MAP(RenderWidgetHostViewAndroid, message) |
| IPC_MESSAGE_HANDLER(ViewHostMsg_StartContentIntent, OnStartContentIntent) |
| IPC_MESSAGE_HANDLER(ViewHostMsg_ShowUnhandledTapUIIfNeeded, |
| OnShowUnhandledTapUIIfNeeded) |
| IPC_MESSAGE_UNHANDLED(handled = false) |
| IPC_END_MESSAGE_MAP() |
| return handled; |
| } |
| |
| bool RenderWidgetHostViewAndroid::SyncCompositorOnMessageReceived( |
| const IPC::Message& message) { |
| DCHECK(!content_view_core_ || sync_compositor_) << !!content_view_core_; |
| return sync_compositor_ && sync_compositor_->OnMessageReceived(message); |
| } |
| |
| void RenderWidgetHostViewAndroid::InitAsChild(gfx::NativeView parent_view) { |
| NOTIMPLEMENTED(); |
| } |
| |
| void RenderWidgetHostViewAndroid::InitAsPopup( |
| RenderWidgetHostView* parent_host_view, const gfx::Rect& pos) { |
| NOTIMPLEMENTED(); |
| } |
| |
| void RenderWidgetHostViewAndroid::InitAsFullscreen( |
| RenderWidgetHostView* reference_host_view) { |
| NOTIMPLEMENTED(); |
| } |
| |
| RenderWidgetHost* |
| RenderWidgetHostViewAndroid::GetRenderWidgetHost() const { |
| return host_; |
| } |
| |
| void RenderWidgetHostViewAndroid::WasResized() { |
| host_->WasResized(); |
| } |
| |
| void RenderWidgetHostViewAndroid::SetSize(const gfx::Size& size) { |
| // Ignore the given size as only the Java code has the power to |
| // resize the view on Android. |
| default_bounds_ = gfx::Rect(default_bounds_.origin(), size); |
| } |
| |
| void RenderWidgetHostViewAndroid::SetBounds(const gfx::Rect& rect) { |
| default_bounds_ = rect; |
| } |
| |
| void RenderWidgetHostViewAndroid::GetScaledContentBitmap( |
| float scale, |
| SkColorType preferred_color_type, |
| gfx::Rect src_subrect, |
| const ReadbackRequestCallback& result_callback) { |
| if (!host_ || host_->is_hidden() || !IsSurfaceAvailableForCopy()) { |
| result_callback.Run(SkBitmap(), READBACK_SURFACE_UNAVAILABLE); |
| return; |
| } |
| gfx::Size bounds = current_surface_size_; |
| if (src_subrect.IsEmpty()) |
| src_subrect = gfx::Rect(bounds); |
| DCHECK_LE(src_subrect.width() + src_subrect.x(), bounds.width()); |
| DCHECK_LE(src_subrect.height() + src_subrect.y(), bounds.height()); |
| const display::Display& display = |
| display::Screen::GetScreen()->GetDisplayNearestWindow(GetNativeView()); |
| float device_scale_factor = display.device_scale_factor(); |
| DCHECK_GT(device_scale_factor, 0); |
| gfx::Size dst_size( |
| gfx::ScaleToCeiledSize(src_subrect.size(), scale / device_scale_factor)); |
| src_subrect = gfx::ConvertRectToDIP(device_scale_factor, src_subrect); |
| |
| CopyFromSurface(src_subrect, dst_size, result_callback, preferred_color_type); |
| } |
| |
| bool RenderWidgetHostViewAndroid::HasValidFrame() const { |
| if (!content_view_core_) |
| return false; |
| |
| if (current_surface_size_.IsEmpty()) |
| return false; |
| // This tell us whether a valid frame has arrived or not. |
| if (!frame_evictor_->HasFrame()) |
| return false; |
| |
| DCHECK(!delegated_frame_host_ || |
| delegated_frame_host_->HasDelegatedContent()); |
| return true; |
| } |
| |
| gfx::Vector2dF RenderWidgetHostViewAndroid::GetLastScrollOffset() const { |
| return last_scroll_offset_; |
| } |
| |
| gfx::NativeView RenderWidgetHostViewAndroid::GetNativeView() const { |
| return &view_; |
| } |
| |
| gfx::NativeViewAccessible |
| RenderWidgetHostViewAndroid::GetNativeViewAccessible() { |
| NOTIMPLEMENTED(); |
| return NULL; |
| } |
| |
| void RenderWidgetHostViewAndroid::Focus() { |
| host_->Focus(); |
| if (overscroll_controller_) |
| overscroll_controller_->Enable(); |
| } |
| |
| bool RenderWidgetHostViewAndroid::HasFocus() const { |
| if (!content_view_core_) |
| return false; // ContentViewCore not created yet. |
| |
| return content_view_core_->HasFocus(); |
| } |
| |
| bool RenderWidgetHostViewAndroid::IsSurfaceAvailableForCopy() const { |
| return !using_browser_compositor_ || HasValidFrame(); |
| } |
| |
| void RenderWidgetHostViewAndroid::Show() { |
| if (is_showing_) |
| return; |
| |
| is_showing_ = true; |
| ShowInternal(); |
| } |
| |
| void RenderWidgetHostViewAndroid::Hide() { |
| if (!is_showing_) |
| return; |
| |
| is_showing_ = false; |
| HideInternal(); |
| } |
| |
| bool RenderWidgetHostViewAndroid::IsShowing() { |
| // ContentViewCoreImpl represents the native side of the Java |
| // ContentViewCore. It being NULL means that it is not attached |
| // to the View system yet, so we treat this RWHVA as hidden. |
| return is_showing_ && content_view_core_; |
| } |
| |
| void RenderWidgetHostViewAndroid::OnShowUnhandledTapUIIfNeeded(int x_dip, |
| int y_dip) { |
| if (!content_view_core_) |
| return; |
| // Validate the coordinates are within the viewport. |
| gfx::Size viewport_size = content_view_core_->GetViewportSizeDip(); |
| if (x_dip < 0 || x_dip > viewport_size.width() || |
| y_dip < 0 || y_dip > viewport_size.height()) |
| return; |
| content_view_core_->OnShowUnhandledTapUIIfNeeded(x_dip, y_dip); |
| } |
| |
| gfx::Rect RenderWidgetHostViewAndroid::GetViewBounds() const { |
| if (!content_view_core_) |
| return default_bounds_; |
| |
| if (base::CommandLine::ForCurrentProcess()->HasSwitch( |
| switches::kEnableOSKOverscroll)) |
| return gfx::Rect(content_view_core_->GetViewSizeWithOSKHidden()); |
| |
| return gfx::Rect(content_view_core_->GetViewSize()); |
| } |
| |
| gfx::Size RenderWidgetHostViewAndroid::GetVisibleViewportSize() const { |
| if (!content_view_core_) |
| return default_bounds_.size(); |
| |
| return content_view_core_->GetViewSize(); |
| } |
| |
| gfx::Size RenderWidgetHostViewAndroid::GetPhysicalBackingSize() const { |
| if (!content_view_core_) { |
| if (default_bounds_.IsEmpty()) return gfx::Size(); |
| |
| return gfx::Size(default_bounds_.right() |
| * ui::GetScaleFactorForNativeView(GetNativeView()), |
| default_bounds_.bottom() |
| * ui::GetScaleFactorForNativeView(GetNativeView())); |
| } |
| |
| return content_view_core_->GetPhysicalBackingSize(); |
| } |
| |
| bool RenderWidgetHostViewAndroid::DoBrowserControlsShrinkBlinkSize() const { |
| // Whether or not Blink's viewport size should be shrunk by the height of the |
| // URL-bar. |
| return content_view_core_ && |
| content_view_core_->DoBrowserControlsShrinkBlinkSize(); |
| } |
| |
| float RenderWidgetHostViewAndroid::GetTopControlsHeight() const { |
| if (!content_view_core_) |
| return default_bounds_.x(); |
| |
| // The height of the browser controls. |
| return content_view_core_->GetTopControlsHeightDip(); |
| } |
| |
| float RenderWidgetHostViewAndroid::GetBottomControlsHeight() const { |
| if (!content_view_core_) |
| return 0.f; |
| |
| // The height of the browser controls. |
| return content_view_core_->GetBottomControlsHeightDip(); |
| } |
| |
| void RenderWidgetHostViewAndroid::UpdateCursor(const WebCursor& cursor) { |
| // There are no cursors on Android. |
| } |
| |
| void RenderWidgetHostViewAndroid::SetIsLoading(bool is_loading) { |
| // Do nothing. The UI notification is handled through ContentViewClient which |
| // is TabContentsDelegate. |
| } |
| |
| long RenderWidgetHostViewAndroid::GetNativeImeAdapter() { |
| return reinterpret_cast<intptr_t>(&ime_adapter_android_); |
| } |
| |
| // ----------------------------------------------------------------------------- |
| // TextInputManager::Observer implementations. |
| void RenderWidgetHostViewAndroid::OnUpdateTextInputStateCalled( |
| TextInputManager* text_input_manager, |
| RenderWidgetHostViewBase* updated_view, |
| bool did_change_state) { |
| DCHECK_EQ(text_input_manager_, text_input_manager); |
| // If there are no active widgets, the TextInputState.type should be reported |
| // as none. |
| const TextInputState& state = |
| GetTextInputManager()->GetActiveWidget() |
| ? *GetTextInputManager()->GetTextInputState() |
| : TextInputState(); |
| |
| if (!content_view_core_ || is_in_vr_) |
| return; |
| |
| content_view_core_->UpdateImeAdapter( |
| GetNativeImeAdapter(), static_cast<int>(state.type), state.flags, |
| state.mode, state.value, state.selection_start, state.selection_end, |
| state.composition_start, state.composition_end, state.show_ime_if_needed, |
| state.reply_to_request); |
| } |
| |
| void RenderWidgetHostViewAndroid::OnImeCompositionRangeChanged( |
| TextInputManager* text_input_manager, |
| RenderWidgetHostViewBase* updated_view) { |
| DCHECK_EQ(text_input_manager_, text_input_manager); |
| const TextInputManager::CompositionRangeInfo* info = |
| text_input_manager_->GetCompositionRangeInfo(); |
| if (!info) |
| return; |
| |
| std::vector<gfx::RectF> character_bounds; |
| for (const gfx::Rect& rect : info->character_bounds) |
| character_bounds.emplace_back(rect); |
| |
| ime_adapter_android_.SetCharacterBounds(character_bounds); |
| } |
| |
| void RenderWidgetHostViewAndroid::OnImeCancelComposition( |
| TextInputManager* text_input_manager, |
| RenderWidgetHostViewBase* updated_view) { |
| DCHECK_EQ(text_input_manager_, text_input_manager); |
| ime_adapter_android_.CancelComposition(); |
| } |
| |
| void RenderWidgetHostViewAndroid::OnTextSelectionChanged( |
| TextInputManager* text_input_manager, |
| RenderWidgetHostViewBase* updated_view) { |
| DCHECK_EQ(text_input_manager_, text_input_manager); |
| |
| // TODO(asimjour): remove the flag and fix text selection popup for |
| // virtual reality mode. |
| if (is_in_vr_) |
| return; |
| |
| if (!content_view_core_) |
| return; |
| |
| RenderWidgetHostImpl* focused_widget = GetFocusedWidget(); |
| if (!focused_widget || !focused_widget->GetView()) |
| return; |
| |
| const TextInputManager::TextSelection& selection = |
| *text_input_manager_->GetTextSelection(focused_widget->GetView()); |
| if (selection.range.is_empty()) { |
| content_view_core_->OnSelectionChanged(""); |
| return; |
| } |
| |
| base::string16 selected_text; |
| if (selection.GetSelectedText(&selected_text)) |
| content_view_core_->OnSelectionChanged(base::UTF16ToUTF8(selected_text)); |
| } |
| |
| void RenderWidgetHostViewAndroid::UpdateBackgroundColor(SkColor color) { |
| if (cached_background_color_ == color) |
| return; |
| |
| cached_background_color_ = color; |
| |
| view_.OnBackgroundColorChanged(color); |
| } |
| |
| void RenderWidgetHostViewAndroid::SetNeedsBeginFrames(bool needs_begin_frames) { |
| TRACE_EVENT1("cc", "RenderWidgetHostViewAndroid::SetNeedsBeginFrames", |
| "needs_begin_frames", needs_begin_frames); |
| if (needs_begin_frames) |
| AddBeginFrameRequest(PERSISTENT_BEGIN_FRAME); |
| else |
| ClearBeginFrameRequest(PERSISTENT_BEGIN_FRAME); |
| } |
| |
| void RenderWidgetHostViewAndroid::OnStartContentIntent( |
| const GURL& content_url, bool is_main_frame) { |
| view_.StartContentIntent(content_url, is_main_frame); |
| } |
| |
| bool RenderWidgetHostViewAndroid::OnTouchEvent( |
| const ui::MotionEvent& event) { |
| if (!host_) |
| return false; |
| |
| ComputeEventLatencyOSTouchHistograms(event); |
| |
| // If a browser-based widget consumes the touch event, it's critical that |
| // touch event interception be disabled. This avoids issues with |
| // double-handling for embedder-detected gestures like side swipe. |
| if (selection_controller_ && |
| selection_controller_->WillHandleTouchEvent(event)) { |
| RequestDisallowInterceptTouchEvent(); |
| return true; |
| } |
| |
| if (stylus_text_selector_.OnTouchEvent(event)) { |
| RequestDisallowInterceptTouchEvent(); |
| return true; |
| } |
| |
| ui::FilteredGestureProvider::TouchHandlingResult result = |
| gesture_provider_.OnTouchEvent(event); |
| if (!result.succeeded) |
| return false; |
| |
| blink::WebTouchEvent web_event = ui::CreateWebTouchEventFromMotionEvent( |
| event, result.moved_beyond_slop_region); |
| ui::LatencyInfo latency_info(ui::SourceEventType::TOUCH); |
| latency_info.AddLatencyNumber(ui::INPUT_EVENT_LATENCY_UI_COMPONENT, 0, 0); |
| host_->ForwardTouchEventWithLatencyInfo(web_event, latency_info); |
| |
| // Send a proactive BeginFrame for this vsync to reduce scroll latency for |
| // scroll-inducing touch events. Note that Android's Choreographer ensures |
| // that BeginFrame requests made during ACTION_MOVE dispatch will be honored |
| // in the same vsync phase. |
| if (observing_root_window_ && result.moved_beyond_slop_region) |
| AddBeginFrameRequest(BEGIN_FRAME); |
| |
| return true; |
| } |
| |
| bool RenderWidgetHostViewAndroid::OnTouchHandleEvent( |
| const ui::MotionEvent& event) { |
| return selection_controller_ && |
| selection_controller_->WillHandleTouchEvent(event); |
| } |
| |
| void RenderWidgetHostViewAndroid::ResetGestureDetection() { |
| const ui::MotionEvent* current_down_event = |
| gesture_provider_.GetCurrentDownEvent(); |
| if (!current_down_event) { |
| // A hard reset ensures prevention of any timer-based events that might fire |
| // after a touch sequence has ended. |
| gesture_provider_.ResetDetection(); |
| return; |
| } |
| |
| std::unique_ptr<ui::MotionEvent> cancel_event = current_down_event->Cancel(); |
| if (gesture_provider_.OnTouchEvent(*cancel_event).succeeded) { |
| bool causes_scrolling = false; |
| ui::LatencyInfo latency_info(ui::SourceEventType::TOUCH); |
| latency_info.AddLatencyNumber(ui::INPUT_EVENT_LATENCY_UI_COMPONENT, 0, 0); |
| host_->ForwardTouchEventWithLatencyInfo( |
| ui::CreateWebTouchEventFromMotionEvent(*cancel_event, causes_scrolling), |
| latency_info); |
| } |
| } |
| |
| void RenderWidgetHostViewAndroid::OnDidNavigateMainFrameToNewPage() { |
| ResetGestureDetection(); |
| } |
| |
| void RenderWidgetHostViewAndroid::SetDoubleTapSupportEnabled(bool enabled) { |
| gesture_provider_.SetDoubleTapSupportForPlatformEnabled(enabled); |
| } |
| |
| void RenderWidgetHostViewAndroid::SetMultiTouchZoomSupportEnabled( |
| bool enabled) { |
| gesture_provider_.SetMultiTouchZoomSupportEnabled(enabled); |
| } |
| |
| void RenderWidgetHostViewAndroid::FocusedNodeChanged( |
| bool is_editable_node, |
| const gfx::Rect& node_bounds_in_screen) { |
| ime_adapter_android_.FocusedNodeChanged(is_editable_node); |
| } |
| |
| void RenderWidgetHostViewAndroid::RenderProcessGone( |
| base::TerminationStatus status, int error_code) { |
| Destroy(); |
| } |
| |
| void RenderWidgetHostViewAndroid::Destroy() { |
| host_->ViewDestroyed(); |
| SetContentViewCore(NULL); |
| delegated_frame_host_.reset(); |
| |
| // The RenderWidgetHost's destruction led here, so don't call it. |
| host_ = NULL; |
| |
| if (GetTextInputManager() && GetTextInputManager()->HasObserver(this)) |
| GetTextInputManager()->RemoveObserver(this); |
| |
| delete this; |
| } |
| |
| void RenderWidgetHostViewAndroid::SetTooltipText( |
| const base::string16& tooltip_text) { |
| // Tooltips don't makes sense on Android. |
| } |
| |
| void RenderWidgetHostViewAndroid::SetBackgroundColor(SkColor color) { |
| RenderWidgetHostViewBase::SetBackgroundColor(color); |
| host_->SetBackgroundOpaque(GetBackgroundOpaque()); |
| UpdateBackgroundColor(color); |
| } |
| |
| void RenderWidgetHostViewAndroid::CopyFromSurface( |
| const gfx::Rect& src_subrect, |
| const gfx::Size& dst_size, |
| const ReadbackRequestCallback& callback, |
| const SkColorType preferred_color_type) { |
| TRACE_EVENT0("cc", "RenderWidgetHostViewAndroid::CopyFromSurface"); |
| if (!host_ || !IsSurfaceAvailableForCopy()) { |
| callback.Run(SkBitmap(), READBACK_SURFACE_UNAVAILABLE); |
| return; |
| } |
| if (!(view_.GetWindowAndroid())) { |
| callback.Run(SkBitmap(), READBACK_FAILED); |
| return; |
| } |
| |
| base::TimeTicks start_time = base::TimeTicks::Now(); |
| const display::Display& display = |
| display::Screen::GetScreen()->GetDisplayNearestWindow(GetNativeView()); |
| float device_scale_factor = display.device_scale_factor(); |
| gfx::Size dst_size_in_pixel = |
| gfx::ConvertRectToPixel(device_scale_factor, gfx::Rect(dst_size)).size(); |
| gfx::Rect src_subrect_in_pixel = |
| gfx::ConvertRectToPixel(device_scale_factor, src_subrect); |
| |
| if (!using_browser_compositor_) { |
| SynchronousCopyContents(src_subrect_in_pixel, dst_size_in_pixel, callback, |
| preferred_color_type); |
| UMA_HISTOGRAM_TIMES("Compositing.CopyFromSurfaceTimeSynchronous", |
| base::TimeTicks::Now() - start_time); |
| return; |
| } |
| |
| ui::WindowAndroidCompositor* compositor = |
| view_.GetWindowAndroid()->GetCompositor(); |
| DCHECK(compositor); |
| DCHECK(delegated_frame_host_); |
| scoped_refptr<PendingReadbackLock> readback_lock( |
| g_pending_readback_lock ? g_pending_readback_lock |
| : new PendingReadbackLock); |
| delegated_frame_host_->RequestCopyOfSurface( |
| compositor, src_subrect_in_pixel, |
| base::Bind(&PrepareTextureCopyOutputResult, dst_size_in_pixel, |
| preferred_color_type, start_time, callback, readback_lock)); |
| } |
| |
| void RenderWidgetHostViewAndroid::ShowDisambiguationPopup( |
| const gfx::Rect& rect_pixels, const SkBitmap& zoomed_bitmap) { |
| if (!content_view_core_) |
| return; |
| |
| content_view_core_->ShowDisambiguationPopup(rect_pixels, zoomed_bitmap); |
| } |
| |
| std::unique_ptr<SyntheticGestureTarget> |
| RenderWidgetHostViewAndroid::CreateSyntheticGestureTarget() { |
| return std::unique_ptr<SyntheticGestureTarget>( |
| new SyntheticGestureTargetAndroid( |
| host_, content_view_core_->CreateMotionEventSynthesizer())); |
| } |
| |
| void RenderWidgetHostViewAndroid::SendReclaimCompositorResources( |
| uint32_t compositor_frame_sink_id, |
| bool is_swap_ack) { |
| DCHECK(host_); |
| host_->Send(new ViewMsg_ReclaimCompositorResources( |
| host_->GetRoutingID(), compositor_frame_sink_id, is_swap_ack, |
| surface_returned_resources_)); |
| surface_returned_resources_.clear(); |
| } |
| |
| void RenderWidgetHostViewAndroid::ReturnResources( |
| const cc::ReturnedResourceArray& resources) { |
| if (resources.empty()) |
| return; |
| std::copy(resources.begin(), resources.end(), |
| std::back_inserter(surface_returned_resources_)); |
| if (ack_callbacks_.empty()) |
| SendReclaimCompositorResources(last_compositor_frame_sink_id_, |
| false /* is_swap_ack */); |
| } |
| |
| void RenderWidgetHostViewAndroid::CheckCompositorFrameSinkChanged( |
| uint32_t compositor_frame_sink_id) { |
| if (compositor_frame_sink_id == last_compositor_frame_sink_id_) |
| return; |
| |
| delegated_frame_host_->CompositorFrameSinkChanged(); |
| |
| if (!surface_returned_resources_.empty()) |
| SendReclaimCompositorResources(last_compositor_frame_sink_id_, |
| false /* is_swap_ack */); |
| |
| last_compositor_frame_sink_id_ = compositor_frame_sink_id; |
| } |
| |
| void RenderWidgetHostViewAndroid::InternalSwapCompositorFrame( |
| uint32_t compositor_frame_sink_id, |
| cc::CompositorFrame frame) { |
| last_scroll_offset_ = frame.metadata.root_scroll_offset; |
| DCHECK(delegated_frame_host_); |
| DCHECK(!frame.render_pass_list.empty()); |
| |
| cc::RenderPass* root_pass = frame.render_pass_list.back().get(); |
| current_surface_size_ = root_pass->output_rect.size(); |
| bool is_transparent = root_pass->has_transparent_background; |
| |
| cc::CompositorFrameMetadata metadata = frame.metadata.Clone(); |
| |
| CheckCompositorFrameSinkChanged(compositor_frame_sink_id); |
| bool has_content = !current_surface_size_.IsEmpty(); |
| |
| base::Closure ack_callback = |
| base::Bind(&RenderWidgetHostViewAndroid::SendReclaimCompositorResources, |
| weak_ptr_factory_.GetWeakPtr(), compositor_frame_sink_id, |
| true /* is_swap_ack */); |
| |
| ack_callbacks_.push(ack_callback); |
| |
| if (!has_content) { |
| DestroyDelegatedContent(); |
| } else { |
| cc::SurfaceFactory::DrawCallback ack_callback = |
| base::Bind(&RenderWidgetHostViewAndroid::RunAckCallbacks, |
| weak_ptr_factory_.GetWeakPtr()); |
| delegated_frame_host_->SubmitCompositorFrame(std::move(frame), |
| ack_callback); |
| frame_evictor_->SwappedFrame(!host_->is_hidden()); |
| } |
| |
| if (host_->is_hidden()) |
| RunAckCallbacks(); |
| |
| // As the metadata update may trigger view invalidation, always call it after |
| // any potential compositor scheduling. |
| OnFrameMetadataUpdated(std::move(metadata), is_transparent); |
| } |
| |
| void RenderWidgetHostViewAndroid::DestroyDelegatedContent() { |
| DCHECK(!delegated_frame_host_ || |
| delegated_frame_host_->HasDelegatedContent() == |
| frame_evictor_->HasFrame()); |
| |
| if (!delegated_frame_host_) |
| return; |
| |
| if (!delegated_frame_host_->HasDelegatedContent()) |
| return; |
| |
| frame_evictor_->DiscardedFrame(); |
| delegated_frame_host_->DestroyDelegatedContent(); |
| } |
| |
| void RenderWidgetHostViewAndroid::OnSwapCompositorFrame( |
| uint32_t compositor_frame_sink_id, |
| cc::CompositorFrame frame) { |
| InternalSwapCompositorFrame(compositor_frame_sink_id, std::move(frame)); |
| } |
| |
| void RenderWidgetHostViewAndroid::ClearCompositorFrame() { |
| DestroyDelegatedContent(); |
| } |
| |
| void RenderWidgetHostViewAndroid::SynchronousFrameMetadata( |
| cc::CompositorFrameMetadata frame_metadata) { |
| if (!content_view_core_) |
| return; |
| |
| bool is_mobile_optimized = IsMobileOptimizedFrame(frame_metadata); |
| |
| if (host_ && host_->input_router()) { |
| host_->input_router()->NotifySiteIsMobileOptimized( |
| is_mobile_optimized); |
| } |
| |
| // This is a subset of OnSwapCompositorFrame() used in the synchronous |
| // compositor flow. |
| OnFrameMetadataUpdated(frame_metadata.Clone(), false); |
| |
| // DevTools ScreenCast support for Android WebView. |
| RenderFrameHost* frame_host = RenderViewHost::From(host_)->GetMainFrame(); |
| if (frame_host) { |
| RenderFrameDevToolsAgentHost::SignalSynchronousSwapCompositorFrame( |
| frame_host, |
| std::move(frame_metadata)); |
| } |
| } |
| |
| void RenderWidgetHostViewAndroid::SetSynchronousCompositorClient( |
| SynchronousCompositorClient* client) { |
| synchronous_compositor_client_ = client; |
| if (!sync_compositor_ && synchronous_compositor_client_) { |
| sync_compositor_ = SynchronousCompositorHost::Create(this); |
| } |
| } |
| |
| void RenderWidgetHostViewAndroid::OnOverscrollRefreshHandlerAvailable() { |
| DCHECK(!overscroll_controller_); |
| CreateOverscrollControllerIfPossible(); |
| } |
| |
| bool RenderWidgetHostViewAndroid::SupportsAnimation() const { |
| // The synchronous (WebView) compositor does not have a proper browser |
| // compositor with which to drive animations. |
| return using_browser_compositor_; |
| } |
| |
| void RenderWidgetHostViewAndroid::SetNeedsAnimate() { |
| DCHECK(view_.GetWindowAndroid()); |
| DCHECK(using_browser_compositor_); |
| view_.GetWindowAndroid()->SetNeedsAnimate(); |
| } |
| |
| void RenderWidgetHostViewAndroid::MoveCaret(const gfx::PointF& position) { |
| MoveCaret(gfx::Point(position.x(), position.y())); |
| } |
| |
| void RenderWidgetHostViewAndroid::MoveRangeSelectionExtent( |
| const gfx::PointF& extent) { |
| DCHECK(content_view_core_); |
| content_view_core_->MoveRangeSelectionExtent(extent); |
| } |
| |
| void RenderWidgetHostViewAndroid::SelectBetweenCoordinates( |
| const gfx::PointF& base, |
| const gfx::PointF& extent) { |
| DCHECK(content_view_core_); |
| content_view_core_->SelectBetweenCoordinates(base, extent); |
| } |
| |
| void RenderWidgetHostViewAndroid::OnSelectionEvent( |
| ui::SelectionEventType event) { |
| DCHECK(content_view_core_); |
| DCHECK(selection_controller_); |
| // If a selection drag has started, it has taken over the active touch |
| // sequence. Immediately cancel gesture detection and any downstream touch |
| // listeners (e.g., web content) to communicate this transfer. |
| if (event == ui::SELECTION_HANDLES_SHOWN && |
| gesture_provider_.GetCurrentDownEvent()) { |
| ResetGestureDetection(); |
| } |
| content_view_core_->OnSelectionEvent( |
| event, selection_controller_->GetStartPosition(), |
| GetSelectionRect(*selection_controller_)); |
| } |
| |
| std::unique_ptr<ui::TouchHandleDrawable> |
| RenderWidgetHostViewAndroid::CreateDrawable() { |
| DCHECK(content_view_core_); |
| if (!using_browser_compositor_) { |
| if (!sync_compositor_) |
| return nullptr; |
| return std::unique_ptr<ui::TouchHandleDrawable>( |
| sync_compositor_->client()->CreateDrawable()); |
| } |
| base::android::ScopedJavaLocalRef<jobject> activityContext = |
| content_view_core_->GetContext(); |
| return std::unique_ptr<ui::TouchHandleDrawable>( |
| new CompositedTouchHandleDrawable( |
| content_view_core_->GetViewAndroid()->GetLayer(), |
| ui::GetScaleFactorForNativeView(GetNativeView()), |
| // Use the activity context where possible (instead of the application |
| // context) to ensure proper handle theming. |
| activityContext.is_null() ? base::android::GetApplicationContext() |
| : activityContext)); |
| } |
| |
| void RenderWidgetHostViewAndroid::SynchronousCopyContents( |
| const gfx::Rect& src_subrect_in_pixel, |
| const gfx::Size& dst_size_in_pixel, |
| const ReadbackRequestCallback& callback, |
| const SkColorType color_type) { |
| gfx::Size input_size_in_pixel; |
| if (src_subrect_in_pixel.IsEmpty()) |
| input_size_in_pixel = current_surface_size_; |
| else |
| input_size_in_pixel = src_subrect_in_pixel.size(); |
| |
| gfx::Size output_size_in_pixel; |
| if (dst_size_in_pixel.IsEmpty()) |
| output_size_in_pixel = input_size_in_pixel; |
| else |
| output_size_in_pixel = dst_size_in_pixel; |
| int output_width = output_size_in_pixel.width(); |
| int output_height = output_size_in_pixel.height(); |
| |
| if (!sync_compositor_) { |
| callback.Run(SkBitmap(), READBACK_FAILED); |
| return; |
| } |
| |
| SkBitmap bitmap; |
| bitmap.allocPixels(SkImageInfo::Make(output_width, |
| output_height, |
| color_type, |
| kPremul_SkAlphaType)); |
| SkCanvas canvas(bitmap); |
| canvas.scale( |
| (float)output_width / (float)input_size_in_pixel.width(), |
| (float)output_height / (float)input_size_in_pixel.height()); |
| sync_compositor_->DemandDrawSw(&canvas); |
| callback.Run(bitmap, READBACK_SUCCESS); |
| } |
| |
| void RenderWidgetHostViewAndroid::OnFrameMetadataUpdated( |
| const cc::CompositorFrameMetadata& frame_metadata, |
| bool is_transparent) { |
| bool is_mobile_optimized = IsMobileOptimizedFrame(frame_metadata); |
| gesture_provider_.SetDoubleTapSupportForPageEnabled(!is_mobile_optimized); |
| |
| if (!content_view_core_) |
| return; |
| |
| if (overscroll_controller_) |
| overscroll_controller_->OnFrameMetadataUpdated(frame_metadata); |
| |
| if (selection_controller_) { |
| selection_controller_->OnSelectionBoundsChanged( |
| frame_metadata.selection.start, frame_metadata.selection.end); |
| |
| // Set parameters for adaptive handle orientation. |
| gfx::SizeF viewport_size(frame_metadata.scrollable_viewport_size); |
| viewport_size.Scale(frame_metadata.page_scale_factor); |
| gfx::RectF viewport_rect(0.0f, frame_metadata.top_controls_height * |
| frame_metadata.top_controls_shown_ratio, |
| viewport_size.width(), viewport_size.height()); |
| selection_controller_->OnViewportChanged(viewport_rect); |
| } |
| |
| UpdateBackgroundColor(is_transparent ? SK_ColorTRANSPARENT |
| : frame_metadata.root_background_color); |
| |
| view_.set_content_offset(gfx::Vector2dF(0.0f, |
| frame_metadata.top_controls_height * |
| frame_metadata.top_controls_shown_ratio)); |
| |
| float dip_scale = ui::GetScaleFactorForNativeView(GetNativeView()); |
| float top_controls_pix = frame_metadata.top_controls_height * dip_scale; |
| float top_shown_pix = |
| top_controls_pix * frame_metadata.top_controls_shown_ratio; |
| bool top_changed = !FloatEquals(top_shown_pix, prev_top_shown_pix_); |
| |
| float bottom_controls_pix = frame_metadata.bottom_controls_height * dip_scale; |
| float bottom_shown_pix = |
| bottom_controls_pix * frame_metadata.bottom_controls_shown_ratio; |
| bool bottom_changed = !FloatEquals(bottom_shown_pix, prev_bottom_shown_pix_); |
| |
| if (top_changed) { |
| float translate = top_shown_pix - top_controls_pix; |
| view_.OnTopControlsChanged(translate, top_shown_pix); |
| prev_top_shown_pix_ = top_shown_pix; |
| } |
| if (bottom_changed) { |
| float translate = bottom_controls_pix - bottom_shown_pix; |
| view_.OnBottomControlsChanged(translate, bottom_shown_pix); |
| prev_bottom_shown_pix_ = bottom_shown_pix; |
| } |
| |
| // All offsets and sizes are in CSS pixels. |
| content_view_core_->UpdateFrameInfo( |
| frame_metadata.root_scroll_offset, |
| frame_metadata.page_scale_factor, |
| gfx::Vector2dF(frame_metadata.min_page_scale_factor, |
| frame_metadata.max_page_scale_factor), |
| frame_metadata.root_layer_size, |
| frame_metadata.scrollable_viewport_size, |
| frame_metadata.top_controls_height, |
| frame_metadata.top_controls_shown_ratio, |
| is_mobile_optimized, |
| frame_metadata.selection.start); |
| } |
| |
| void RenderWidgetHostViewAndroid::ShowInternal() { |
| bool show = is_showing_ && is_window_activity_started_ && is_window_visible_; |
| if (!show) |
| return; |
| |
| if (!host_ || !host_->is_hidden()) |
| return; |
| |
| view_.GetLayer()->SetHideLayerAndSubtree(false); |
| |
| frame_evictor_->SetVisible(true); |
| |
| if (overscroll_controller_) |
| overscroll_controller_->Enable(); |
| |
| host_->WasShown(ui::LatencyInfo()); |
| |
| if (content_view_core_ && view_.GetWindowAndroid()) { |
| StartObservingRootWindow(); |
| AddBeginFrameRequest(BEGIN_FRAME); |
| } |
| } |
| |
| void RenderWidgetHostViewAndroid::HideInternal() { |
| DCHECK(!is_showing_ || !is_window_activity_started_ || !is_window_visible_) |
| << "Hide called when the widget should be shown."; |
| |
| // Only preserve the frontbuffer if the activity was stopped while the |
| // window is still visible. This avoids visual artificts when transitioning |
| // between activities. |
| bool hide_frontbuffer = is_window_activity_started_ || !is_window_visible_; |
| |
| // Only stop observing the root window if the widget has been explicitly |
| // hidden and the frontbuffer is being cleared. This allows window visibility |
| // notifications to eventually clear the frontbuffer. |
| bool stop_observing_root_window = !is_showing_ && hide_frontbuffer; |
| |
| if (hide_frontbuffer) { |
| view_.GetLayer()->SetHideLayerAndSubtree(true); |
| frame_evictor_->SetVisible(false); |
| } |
| |
| if (stop_observing_root_window) { |
| DCHECK(!is_showing_); |
| StopObservingRootWindow(); |
| } |
| |
| if (!host_ || host_->is_hidden()) |
| return; |
| |
| if (overscroll_controller_) |
| overscroll_controller_->Disable(); |
| |
| RunAckCallbacks(); |
| |
| // Inform the renderer that we are being hidden so it can reduce its resource |
| // utilization. |
| host_->WasHidden(); |
| } |
| |
| void RenderWidgetHostViewAndroid::SetBeginFrameSource( |
| cc::BeginFrameSource* begin_frame_source) { |
| if (begin_frame_source_ == begin_frame_source) |
| return; |
| |
| if (begin_frame_source_ && outstanding_begin_frame_requests_) |
| begin_frame_source_->RemoveObserver(this); |
| begin_frame_source_ = begin_frame_source; |
| if (begin_frame_source_ && outstanding_begin_frame_requests_) |
| begin_frame_source_->AddObserver(this); |
| } |
| |
| void RenderWidgetHostViewAndroid::AddBeginFrameRequest( |
| BeginFrameRequestType request) { |
| uint32_t prior_requests = outstanding_begin_frame_requests_; |
| outstanding_begin_frame_requests_ = prior_requests | request; |
| |
| // Note that if we don't currently have a BeginFrameSource, outstanding begin |
| // frame requests will be pushed if/when we get one during |
| // |StartObservingRootWindow()| or when the DelegatedFrameHostAndroid sets it. |
| cc::BeginFrameSource* source = begin_frame_source_; |
| if (source && outstanding_begin_frame_requests_ && !prior_requests) |
| source->AddObserver(this); |
| } |
| |
| void RenderWidgetHostViewAndroid::ClearBeginFrameRequest( |
| BeginFrameRequestType request) { |
| uint32_t prior_requests = outstanding_begin_frame_requests_; |
| outstanding_begin_frame_requests_ = prior_requests & ~request; |
| |
| cc::BeginFrameSource* source = begin_frame_source_; |
| if (source && !outstanding_begin_frame_requests_ && prior_requests) |
| source->RemoveObserver(this); |
| } |
| |
| void RenderWidgetHostViewAndroid::StartObservingRootWindow() { |
| DCHECK(content_view_core_); |
| DCHECK(view_.GetWindowAndroid()); |
| DCHECK(is_showing_); |
| if (observing_root_window_) |
| return; |
| |
| observing_root_window_ = true; |
| if (host_) |
| host_->Send(new ViewMsg_SetBeginFramePaused(host_->GetRoutingID(), false)); |
| view_.GetWindowAndroid()->AddObserver(this); |
| // When using browser compositor, DelegatedFrameHostAndroid provides the BFS. |
| if (!using_browser_compositor_) |
| SetBeginFrameSource(view_.GetWindowAndroid()->GetBeginFrameSource()); |
| |
| ui::WindowAndroidCompositor* compositor = |
| view_.GetWindowAndroid()->GetCompositor(); |
| if (compositor) { |
| delegated_frame_host_->AttachToCompositor(compositor); |
| } |
| } |
| |
| void RenderWidgetHostViewAndroid::StopObservingRootWindow() { |
| if (!(view_.GetWindowAndroid())) { |
| DCHECK(!observing_root_window_); |
| return; |
| } |
| |
| if (!observing_root_window_) |
| return; |
| |
| // Reset window state variables to their defaults. |
| is_window_activity_started_ = true; |
| is_window_visible_ = true; |
| observing_root_window_ = false; |
| if (host_) |
| host_->Send(new ViewMsg_SetBeginFramePaused(host_->GetRoutingID(), true)); |
| view_.GetWindowAndroid()->RemoveObserver(this); |
| if (!using_browser_compositor_) |
| SetBeginFrameSource(nullptr); |
| // If the DFH has already been destroyed, it will have cleaned itself up. |
| // This happens in some WebView cases. |
| if (delegated_frame_host_) |
| delegated_frame_host_->DetachFromCompositor(); |
| DCHECK(!begin_frame_source_); |
| } |
| |
| void RenderWidgetHostViewAndroid::SendBeginFrame(cc::BeginFrameArgs args) { |
| TRACE_EVENT2("cc", "RenderWidgetHostViewAndroid::SendBeginFrame", |
| "frame_number", args.sequence_number, "frame_time_us", |
| args.frame_time.ToInternalValue()); |
| |
| // Synchronous compositor does not use deadline-based scheduling. |
| // TODO(brianderson): Replace this hardcoded deadline after Android |
| // switches to Surfaces and the Browser's commit isn't in the critical path. |
| args.deadline = sync_compositor_ ? base::TimeTicks() |
| : args.frame_time + (args.interval * 0.6); |
| host_->Send(new ViewMsg_BeginFrame(host_->GetRoutingID(), args)); |
| if (sync_compositor_) |
| sync_compositor_->DidSendBeginFrame(view_.GetWindowAndroid()); |
| } |
| |
| bool RenderWidgetHostViewAndroid::Animate(base::TimeTicks frame_time) { |
| bool needs_animate = false; |
| if (overscroll_controller_ && !is_in_vr_) { |
| needs_animate |= overscroll_controller_->Animate( |
| frame_time, content_view_core_->GetViewAndroid()->GetLayer()); |
| } |
| if (selection_controller_) |
| needs_animate |= selection_controller_->Animate(frame_time); |
| return needs_animate; |
| } |
| |
| void RenderWidgetHostViewAndroid::RequestDisallowInterceptTouchEvent() { |
| if (content_view_core_) |
| content_view_core_->RequestDisallowInterceptTouchEvent(); |
| } |
| |
| void RenderWidgetHostViewAndroid::EvictDelegatedFrame() { |
| DestroyDelegatedContent(); |
| } |
| |
| bool RenderWidgetHostViewAndroid::HasAcceleratedSurface( |
| const gfx::Size& desired_size) { |
| NOTREACHED(); |
| return false; |
| } |
| |
| // TODO(jrg): Find out the implications and answer correctly here, |
| // as we are returning the WebView and not root window bounds. |
| gfx::Rect RenderWidgetHostViewAndroid::GetBoundsInRootWindow() { |
| return GetViewBounds(); |
| } |
| |
| void RenderWidgetHostViewAndroid::ProcessAckedTouchEvent( |
| const TouchEventWithLatencyInfo& touch, InputEventAckState ack_result) { |
| const bool event_consumed = ack_result == INPUT_EVENT_ACK_STATE_CONSUMED; |
| gesture_provider_.OnTouchEventAck(touch.event.uniqueTouchEventId, |
| event_consumed); |
| } |
| |
| void RenderWidgetHostViewAndroid::GestureEventAck( |
| const blink::WebGestureEvent& event, |
| InputEventAckState ack_result) { |
| if (overscroll_controller_) |
| overscroll_controller_->OnGestureEventAck(event, ack_result); |
| |
| if (content_view_core_) |
| content_view_core_->OnGestureEventAck(event, ack_result); |
| } |
| |
| InputEventAckState RenderWidgetHostViewAndroid::FilterInputEvent( |
| const blink::WebInputEvent& input_event) { |
| if (selection_controller_ && |
| blink::WebInputEvent::isGestureEventType(input_event.type())) { |
| const blink::WebGestureEvent& gesture_event = |
| static_cast<const blink::WebGestureEvent&>(input_event); |
| switch (gesture_event.type()) { |
| case blink::WebInputEvent::GestureLongPress: |
| selection_controller_->HandleLongPressEvent( |
| base::TimeTicks() + |
| base::TimeDelta::FromSecondsD(input_event.timeStampSeconds()), |
| gfx::PointF(gesture_event.x, gesture_event.y)); |
| break; |
| |
| case blink::WebInputEvent::GestureTap: |
| selection_controller_->HandleTapEvent( |
| gfx::PointF(gesture_event.x, gesture_event.y), |
| gesture_event.data.tap.tapCount); |
| break; |
| |
| case blink::WebInputEvent::GestureScrollBegin: |
| selection_controller_->OnScrollBeginEvent(); |
| break; |
| |
| default: |
| break; |
| } |
| } |
| |
| if (overscroll_controller_ && |
| blink::WebInputEvent::isGestureEventType(input_event.type()) && |
| overscroll_controller_->WillHandleGestureEvent( |
| static_cast<const blink::WebGestureEvent&>(input_event))) { |
| return INPUT_EVENT_ACK_STATE_CONSUMED; |
| } |
| |
| if (content_view_core_ && content_view_core_->FilterInputEvent(input_event)) |
| return INPUT_EVENT_ACK_STATE_CONSUMED; |
| |
| if (!host_) |
| return INPUT_EVENT_ACK_STATE_NOT_CONSUMED; |
| |
| if (input_event.type() == blink::WebInputEvent::GestureTapDown || |
| input_event.type() == blink::WebInputEvent::TouchStart) { |
| GpuDataManagerImpl* gpu_data = GpuDataManagerImpl::GetInstance(); |
| GpuProcessHostUIShim* shim = GpuProcessHostUIShim::GetOneInstance(); |
| if (shim && gpu_data && |
| gpu_data->IsDriverBugWorkaroundActive(gpu::WAKE_UP_GPU_BEFORE_DRAWING)) |
| shim->Send(new GpuMsg_WakeUpGpu); |
| } |
| |
| return INPUT_EVENT_ACK_STATE_NOT_CONSUMED; |
| } |
| |
| void RenderWidgetHostViewAndroid::OnSetNeedsFlushInput() { |
| TRACE_EVENT0("input", "RenderWidgetHostViewAndroid::OnSetNeedsFlushInput"); |
| AddBeginFrameRequest(FLUSH_INPUT); |
| } |
| |
| BrowserAccessibilityManager* |
| RenderWidgetHostViewAndroid::CreateBrowserAccessibilityManager( |
| BrowserAccessibilityDelegate* delegate, bool for_root_frame) { |
| base::android::ScopedJavaLocalRef<jobject> content_view_core_obj; |
| if (for_root_frame && host_ && content_view_core_) |
| content_view_core_obj = content_view_core_->GetJavaObject(); |
| return new BrowserAccessibilityManagerAndroid( |
| content_view_core_obj, |
| BrowserAccessibilityManagerAndroid::GetEmptyDocument(), |
| delegate); |
| } |
| |
| bool RenderWidgetHostViewAndroid::LockMouse() { |
| NOTIMPLEMENTED(); |
| return false; |
| } |
| |
| void RenderWidgetHostViewAndroid::UnlockMouse() { |
| NOTIMPLEMENTED(); |
| } |
| |
| // Methods called from the host to the render |
| |
| void RenderWidgetHostViewAndroid::SendKeyEvent( |
| const NativeWebKeyboardEvent& event) { |
| if (!host_) |
| return; |
| |
| RenderWidgetHostImpl* target_host = host_; |
| |
| // If there are multiple widgets on the page (such as when there are |
| // out-of-process iframes), pick the one that should process this event. |
| if (host_->delegate()) |
| target_host = host_->delegate()->GetFocusedRenderWidgetHost(host_); |
| if (!target_host) |
| return; |
| |
| target_host->ForwardKeyboardEvent(event); |
| } |
| |
| void RenderWidgetHostViewAndroid::SendMouseEvent( |
| const ui::MotionEventAndroid& motion_event, |
| int action_button) { |
| blink::WebInputEvent::Type webMouseEventType = |
| ui::ToWebMouseEventType(motion_event.GetAction()); |
| |
| blink::WebMouseEvent mouse_event = WebMouseEventBuilder::Build( |
| webMouseEventType, |
| ui::EventTimeStampToSeconds(motion_event.GetEventTime()), |
| motion_event.GetX(0), |
| motion_event.GetY(0), |
| motion_event.GetFlags(), |
| motion_event.GetButtonState() ? 1 : 0 /* click count */, |
| motion_event.GetPointerId(0), |
| motion_event.GetPressure(0), |
| motion_event.GetOrientation(0), |
| motion_event.GetTilt(0), |
| action_button, |
| motion_event.GetToolType(0)); |
| |
| if (host_) |
| host_->ForwardMouseEvent(mouse_event); |
| } |
| |
| void RenderWidgetHostViewAndroid::SendMouseWheelEvent( |
| const blink::WebMouseWheelEvent& event) { |
| if (host_) { |
| ui::LatencyInfo latency_info(ui::SourceEventType::WHEEL); |
| latency_info.AddLatencyNumber(ui::INPUT_EVENT_LATENCY_UI_COMPONENT, 0, 0); |
| host_->ForwardWheelEventWithLatencyInfo(event, latency_info); |
| } |
| } |
| |
| void RenderWidgetHostViewAndroid::SendGestureEvent( |
| const blink::WebGestureEvent& event) { |
| // Sending a gesture that may trigger overscroll should resume the effect. |
| if (overscroll_controller_) |
| overscroll_controller_->Enable(); |
| |
| if (host_) { |
| ui::LatencyInfo latency_info = |
| ui::WebInputEventTraits::CreateLatencyInfoForWebGestureEvent(event); |
| host_->ForwardGestureEventWithLatencyInfo(event, latency_info); |
| } |
| } |
| |
| void RenderWidgetHostViewAndroid::MoveCaret(const gfx::Point& point) { |
| if (host_) |
| host_->MoveCaret(point); |
| } |
| |
| void RenderWidgetHostViewAndroid::DismissTextHandles() { |
| if (selection_controller_) |
| selection_controller_->HideAndDisallowShowingAutomatically(); |
| } |
| |
| void RenderWidgetHostViewAndroid::SetTextHandlesTemporarilyHidden(bool hidden) { |
| if (selection_controller_) |
| selection_controller_->SetTemporarilyHidden(hidden); |
| } |
| |
| SkColor RenderWidgetHostViewAndroid::GetCachedBackgroundColor() const { |
| return cached_background_color_; |
| } |
| |
| void RenderWidgetHostViewAndroid::SetIsInVR(bool is_in_vr) { |
| is_in_vr_ = is_in_vr; |
| } |
| |
| bool RenderWidgetHostViewAndroid::IsInVR() const { |
| return is_in_vr_; |
| } |
| |
| void RenderWidgetHostViewAndroid::DidOverscroll( |
| const ui::DidOverscrollParams& params) { |
| if (sync_compositor_) |
| sync_compositor_->DidOverscroll(params); |
| |
| if (!content_view_core_ || !is_showing_) |
| return; |
| |
| if (overscroll_controller_) |
| overscroll_controller_->OnOverscrolled(params); |
| } |
| |
| void RenderWidgetHostViewAndroid::DidStopFlinging() { |
| if (content_view_core_) |
| content_view_core_->DidStopFlinging(); |
| } |
| |
| cc::FrameSinkId RenderWidgetHostViewAndroid::GetFrameSinkId() { |
| if (!delegated_frame_host_) |
| return cc::FrameSinkId(); |
| |
| return delegated_frame_host_->GetFrameSinkId(); |
| } |
| |
| void RenderWidgetHostViewAndroid::SetContentViewCore( |
| ContentViewCoreImpl* content_view_core) { |
| DCHECK(!content_view_core || !content_view_core_ || |
| (content_view_core_ == content_view_core)); |
| StopObservingRootWindow(); |
| |
| bool resize = false; |
| if (content_view_core != content_view_core_) { |
| selection_controller_.reset(); |
| RunAckCallbacks(); |
| // TODO(yusufo) : Get rid of the below conditions and have a better handling |
| // for resizing after crbug.com/628302 is handled. |
| bool is_size_initialized = !content_view_core |
| || content_view_core->GetViewportSizeDip().width() != 0 |
| || content_view_core->GetViewportSizeDip().height() != 0; |
| if (content_view_core_ || is_size_initialized) |
| resize = true; |
| if (content_view_core_) { |
| content_view_core_->RemoveObserver(this); |
| view_.RemoveFromParent(); |
| view_.GetLayer()->RemoveFromParent(); |
| } |
| if (content_view_core) { |
| content_view_core->AddObserver(this); |
| ui::ViewAndroid* parent_view = content_view_core->GetViewAndroid(); |
| parent_view->AddChild(&view_); |
| parent_view->GetLayer()->AddChild(view_.GetLayer()); |
| } |
| content_view_core_ = content_view_core; |
| } |
| |
| BrowserAccessibilityManager* manager = NULL; |
| if (host_) |
| manager = host_->GetRootBrowserAccessibilityManager(); |
| if (manager) { |
| base::android::ScopedJavaLocalRef<jobject> obj; |
| if (content_view_core_) |
| obj = content_view_core_->GetJavaObject(); |
| manager->ToBrowserAccessibilityManagerAndroid()->SetContentViewCore(obj); |
| } |
| |
| if (!content_view_core_) { |
| sync_compositor_.reset(); |
| return; |
| } |
| |
| if (is_showing_ && view_.GetWindowAndroid()) |
| StartObservingRootWindow(); |
| |
| if (resize) |
| WasResized(); |
| |
| if (!selection_controller_) |
| selection_controller_ = CreateSelectionController(this, content_view_core_); |
| |
| if (content_view_core_) |
| CreateOverscrollControllerIfPossible(); |
| } |
| |
| void RenderWidgetHostViewAndroid::RunAckCallbacks() { |
| while (!ack_callbacks_.empty()) { |
| ack_callbacks_.front().Run(); |
| ack_callbacks_.pop(); |
| } |
| } |
| |
| void RenderWidgetHostViewAndroid::OnGestureEvent( |
| const ui::GestureEventData& gesture) { |
| blink::WebGestureEvent web_gesture = |
| ui::CreateWebGestureEventFromGestureEventData(gesture); |
| // TODO(jdduke): Remove this workaround after Android fixes UiAutomator to |
| // stop providing shift meta values to synthetic MotionEvents. This prevents |
| // unintended shift+click interpretation of all accessibility clicks. |
| // See crbug.com/443247. |
| if (web_gesture.type() == blink::WebInputEvent::GestureTap && |
| web_gesture.modifiers() == blink::WebInputEvent::ShiftKey) { |
| web_gesture.setModifiers(blink::WebInputEvent::NoModifiers); |
| } |
| SendGestureEvent(web_gesture); |
| } |
| |
| void RenderWidgetHostViewAndroid::OnContentViewCoreDestroyed() { |
| SetContentViewCore(NULL); |
| overscroll_controller_.reset(); |
| } |
| |
| void RenderWidgetHostViewAndroid::OnRootWindowVisibilityChanged(bool visible) { |
| TRACE_EVENT1("browser", |
| "RenderWidgetHostViewAndroid::OnRootWindowVisibilityChanged", |
| "visible", visible); |
| DCHECK(observing_root_window_); |
| if (is_window_visible_ == visible) |
| return; |
| |
| is_window_visible_ = visible; |
| |
| if (visible) |
| ShowInternal(); |
| else |
| HideInternal(); |
| } |
| |
| void RenderWidgetHostViewAndroid::OnAttachedToWindow() { |
| if (is_showing_) |
| StartObservingRootWindow(); |
| DCHECK(view_.GetWindowAndroid()); |
| if (view_.GetWindowAndroid()->GetCompositor()) |
| OnAttachCompositor(); |
| } |
| |
| void RenderWidgetHostViewAndroid::OnDetachedFromWindow() { |
| StopObservingRootWindow(); |
| OnDetachCompositor(); |
| } |
| |
| void RenderWidgetHostViewAndroid::OnAttachCompositor() { |
| DCHECK(content_view_core_); |
| CreateOverscrollControllerIfPossible(); |
| if (observing_root_window_) { |
| ui::WindowAndroidCompositor* compositor = |
| view_.GetWindowAndroid()->GetCompositor(); |
| delegated_frame_host_->AttachToCompositor(compositor); |
| } |
| } |
| |
| void RenderWidgetHostViewAndroid::OnDetachCompositor() { |
| DCHECK(content_view_core_); |
| DCHECK(using_browser_compositor_); |
| RunAckCallbacks(); |
| overscroll_controller_.reset(); |
| delegated_frame_host_->DetachFromCompositor(); |
| } |
| |
| void RenderWidgetHostViewAndroid::OnBeginFrame(const cc::BeginFrameArgs& args) { |
| TRACE_EVENT0("cc,benchmark", "RenderWidgetHostViewAndroid::OnBeginFrame"); |
| if (!host_) |
| return; |
| |
| // In sync mode, we disregard missed frame args to ensure that |
| // SynchronousCompositorBrowserFilter::SyncStateAfterVSync will be called |
| // during WindowAndroid::WindowBeginFrameSource::OnVSync() observer iteration. |
| if (sync_compositor_ && args.type == cc::BeginFrameArgs::MISSED) |
| return; |
| |
| // Update |last_begin_frame_args_| before handling |
| // |outstanding_begin_frame_requests_| to prevent the BeginFrameSource from |
| // sending the same MISSED args in infinite recursion. This may otherwise |
| // happen if |host_->FlushInput()| causes a synchronous OnSetNeedsFlushInput() |
| // which can lead to |begin_frame_source_->AddObserver()| and OnBeginFrame(). |
| // By setting |last_begin_frame_args_|, we indicate to the source not to send |
| // the same args during |AddObserver()| again. |
| last_begin_frame_args_ = args; |
| |
| if (outstanding_begin_frame_requests_ & FLUSH_INPUT) { |
| ClearBeginFrameRequest(FLUSH_INPUT); |
| host_->FlushInput(); |
| } |
| |
| if ((outstanding_begin_frame_requests_ & BEGIN_FRAME) || |
| (outstanding_begin_frame_requests_ & PERSISTENT_BEGIN_FRAME)) { |
| ClearBeginFrameRequest(BEGIN_FRAME); |
| SendBeginFrame(args); |
| } |
| } |
| |
| const cc::BeginFrameArgs& RenderWidgetHostViewAndroid::LastUsedBeginFrameArgs() |
| const { |
| return last_begin_frame_args_; |
| } |
| |
| void RenderWidgetHostViewAndroid::OnBeginFrameSourcePausedChanged(bool paused) { |
| // The BeginFrameSources we listen to don't use this. For WebView, we signal |
| // the "paused" state to the RenderWidget when our window attaches/detaches, |
| // see |StartObservingRootWindow()| and |StopObservingRootWindow()|. |
| DCHECK(!paused); |
| } |
| |
| void RenderWidgetHostViewAndroid::OnAnimate(base::TimeTicks begin_frame_time) { |
| if (Animate(begin_frame_time)) |
| SetNeedsAnimate(); |
| } |
| |
| void RenderWidgetHostViewAndroid::OnActivityStopped() { |
| TRACE_EVENT0("browser", "RenderWidgetHostViewAndroid::OnActivityStopped"); |
| DCHECK(observing_root_window_); |
| is_window_activity_started_ = false; |
| HideInternal(); |
| } |
| |
| void RenderWidgetHostViewAndroid::OnActivityStarted() { |
| TRACE_EVENT0("browser", "RenderWidgetHostViewAndroid::OnActivityStarted"); |
| DCHECK(observing_root_window_); |
| is_window_activity_started_ = true; |
| ShowInternal(); |
| } |
| |
| void RenderWidgetHostViewAndroid::OnLostResources() { |
| DestroyDelegatedContent(); |
| DCHECK(ack_callbacks_.empty()); |
| } |
| |
| void RenderWidgetHostViewAndroid::OnStylusSelectBegin(float x0, |
| float y0, |
| float x1, |
| float y1) { |
| SelectBetweenCoordinates(gfx::PointF(x0, y0), gfx::PointF(x1, y1)); |
| } |
| |
| void RenderWidgetHostViewAndroid::OnStylusSelectUpdate(float x, float y) { |
| MoveRangeSelectionExtent(gfx::PointF(x, y)); |
| } |
| |
| void RenderWidgetHostViewAndroid::OnStylusSelectTap(base::TimeTicks time, |
| float x, |
| float y) { |
| // Treat the stylus tap as a long press, activating either a word selection or |
| // context menu depending on the targetted content. |
| blink::WebGestureEvent long_press = WebGestureEventBuilder::Build( |
| blink::WebInputEvent::GestureLongPress, |
| (time - base::TimeTicks()).InSecondsF(), x, y); |
| SendGestureEvent(long_press); |
| } |
| |
| void RenderWidgetHostViewAndroid::ComputeEventLatencyOSTouchHistograms( |
| const ui::MotionEvent& event) { |
| base::TimeTicks event_time = event.GetEventTime(); |
| base::TimeDelta delta = base::TimeTicks::Now() - event_time; |
| switch (event.GetAction()) { |
| case ui::MotionEvent::ACTION_DOWN: |
| case ui::MotionEvent::ACTION_POINTER_DOWN: |
| UMA_HISTOGRAM_CUSTOM_COUNTS("Event.Latency.OS.TOUCH_PRESSED", |
| delta.InMicroseconds(), 1, 1000000, 50); |
| return; |
| case ui::MotionEvent::ACTION_MOVE: |
| UMA_HISTOGRAM_CUSTOM_COUNTS("Event.Latency.OS.TOUCH_MOVED", |
| delta.InMicroseconds(), 1, 1000000, 50); |
| return; |
| case ui::MotionEvent::ACTION_UP: |
| case ui::MotionEvent::ACTION_POINTER_UP: |
| UMA_HISTOGRAM_CUSTOM_COUNTS("Event.Latency.OS.TOUCH_RELEASED", |
| delta.InMicroseconds(), 1, 1000000, 50); |
| default: |
| return; |
| } |
| } |
| |
| void RenderWidgetHostViewAndroid::CreateOverscrollControllerIfPossible() { |
| // an OverscrollController is already set |
| if (overscroll_controller_) |
| return; |
| |
| RenderWidgetHostDelegate* delegate = host_->delegate(); |
| if (!delegate) |
| return; |
| |
| RenderViewHostDelegateView* delegate_view = delegate->GetDelegateView(); |
| // render_widget_host_unittest.cc uses an object called |
| // MockRenderWidgetHostDelegate that does not have a DelegateView |
| if (!delegate_view) |
| return; |
| |
| ui::OverscrollRefreshHandler* overscroll_refresh_handler = |
| delegate_view->GetOverscrollRefreshHandler(); |
| if (!overscroll_refresh_handler) |
| return; |
| |
| if (!content_view_core_) |
| return; |
| |
| // If window_android is null here, this is bad because we don't listen for it |
| // being set, so we won't be able to construct the OverscrollController at the |
| // proper time. |
| // TODO(rlanday): once we get WindowAndroid from ViewAndroid instead of |
| // ContentViewCore, listen for WindowAndroid being set and create the |
| // OverscrollController. |
| ui::WindowAndroid* window_android = content_view_core_->GetWindowAndroid(); |
| if (!window_android) |
| return; |
| |
| ui::WindowAndroidCompositor* compositor = window_android->GetCompositor(); |
| if (!compositor) |
| return; |
| |
| overscroll_controller_ = base::MakeUnique<OverscrollControllerAndroid>( |
| overscroll_refresh_handler, compositor, |
| ui::GetScaleFactorForNativeView(GetNativeView())); |
| } |
| |
| } // namespace content |