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120 lines
3.6 KiB
Plaintext
120 lines
3.6 KiB
Plaintext
// Copyright (c) 2016 GitHub, Inc.
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// Use of this source code is governed by the MIT license that can be
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// found in the LICENSE file.
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#include "atom/browser/osr/osr_render_widget_host_view.h"
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#import <Cocoa/Cocoa.h>
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#include "base/strings/utf_string_conversions.h"
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#include "content/common/view_messages.h"
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#include "ui/accelerated_widget_mac/accelerated_widget_mac.h"
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#include "ui/display/screen.h"
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namespace {
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display::Display GetDisplay() {
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return display::Screen::GetScreen()->GetDisplayNearestView(nullptr);
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}
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} // namespace
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namespace atom {
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class MacHelper : public content::BrowserCompositorMacClient,
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public ui::AcceleratedWidgetMacNSView {
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public:
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explicit MacHelper(OffScreenRenderWidgetHostView* view) : view_(view) {
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[this->AcceleratedWidgetGetNSView() setWantsLayer:YES];
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}
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virtual ~MacHelper() {}
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// content::BrowserCompositorMacClient:
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SkColor BrowserCompositorMacGetGutterColor() const override {
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// When making an element on the page fullscreen the element's background
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// may not match the page's, so use black as the gutter color to avoid
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// flashes of brighter colors during the transition.
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if (view_->render_widget_host()->delegate() &&
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view_->render_widget_host()->delegate()->IsFullscreenForCurrentTab()) {
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return SK_ColorBLACK;
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}
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return view_->last_frame_root_background_color();
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}
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void BrowserCompositorMacOnBeginFrame(base::TimeTicks frame_time) override {}
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void OnFrameTokenChanged(uint32_t frame_token) override {
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view_->render_widget_host()->DidProcessFrame(frame_token);
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}
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// ui::AcceleratedWidgetMacNSView:
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NSView* AcceleratedWidgetGetNSView() const override {
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return [view_->window()->GetNativeWindow() contentView];
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}
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void AcceleratedWidgetCALayerParamsUpdated() override {}
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void DidReceiveFirstFrameAfterNavigation() override {
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view_->render_widget_host()->DidReceiveFirstFrameAfterNavigation();
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}
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void DestroyCompositorForShutdown() override {}
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bool SynchronizeVisualProperties() override {
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return view_->render_widget_host()->SynchronizeVisualProperties();
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}
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private:
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OffScreenRenderWidgetHostView* view_;
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DISALLOW_COPY_AND_ASSIGN(MacHelper);
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};
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void OffScreenRenderWidgetHostView::SetActive(bool active) {}
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void OffScreenRenderWidgetHostView::ShowDefinitionForSelection() {}
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void OffScreenRenderWidgetHostView::SpeakSelection() {}
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bool OffScreenRenderWidgetHostView::UpdateNSViewAndDisplay() {
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return browser_compositor_->UpdateNSViewAndDisplay(
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GetRootLayer()->bounds().size(), GetDisplay());
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}
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bool OffScreenRenderWidgetHostView::ShouldContinueToPauseForFrame() {
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return browser_compositor_->ShouldContinueToPauseForFrame();
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}
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void OffScreenRenderWidgetHostView::CreatePlatformWidget(
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bool is_guest_view_hack) {
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mac_helper_ = new MacHelper(this);
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browser_compositor_.reset(new content::BrowserCompositorMac(
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mac_helper_, mac_helper_, render_widget_host_->is_hidden(), true,
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GetDisplay(), AllocateFrameSinkId(is_guest_view_hack)));
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}
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void OffScreenRenderWidgetHostView::DestroyPlatformWidget() {
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browser_compositor_.reset();
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delete mac_helper_;
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}
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viz::LocalSurfaceId OffScreenRenderWidgetHostView::GetLocalSurfaceId() const {
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return browser_compositor_->GetRendererLocalSurfaceId();
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}
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ui::Compositor* OffScreenRenderWidgetHostView::GetCompositor() const {
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return browser_compositor_->GetCompositor();
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}
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ui::Layer* OffScreenRenderWidgetHostView::GetRootLayer() const {
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return browser_compositor_->GetRootLayer();
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}
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content::DelegatedFrameHost*
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OffScreenRenderWidgetHostView::GetDelegatedFrameHost() const {
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return browser_compositor_->GetDelegatedFrameHost();
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}
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} // namespace atom
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