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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef CONTENT_BROWSER_RENDERER_HOST_BROWSER_COMPOSITOR_VIEW_MAC_H_ | 5 #ifndef CONTENT_BROWSER_RENDERER_HOST_BROWSER_COMPOSITOR_VIEW_MAC_H_ |
6 #define CONTENT_BROWSER_RENDERER_HOST_BROWSER_COMPOSITOR_VIEW_MAC_H_ | 6 #define CONTENT_BROWSER_RENDERER_HOST_BROWSER_COMPOSITOR_VIEW_MAC_H_ |
7 | 7 |
8 #include <memory> | 8 #include <memory> |
9 | 9 |
10 #include "base/macros.h" | 10 #include "base/macros.h" |
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36 | 36 |
37 // This class owns a DelegatedFrameHost, and will dynamically attach and | 37 // This class owns a DelegatedFrameHost, and will dynamically attach and |
38 // detach it from a ui::Compositor as needed. The ui::Compositor will be | 38 // detach it from a ui::Compositor as needed. The ui::Compositor will be |
39 // detached from the DelegatedFrameHost when the following conditions are | 39 // detached from the DelegatedFrameHost when the following conditions are |
40 // all met: | 40 // all met: |
41 // - There are no outstanding copy requests | 41 // - There are no outstanding copy requests |
42 // - The RenderWidgetHostImpl providing frames to the DelegatedFrameHost | 42 // - The RenderWidgetHostImpl providing frames to the DelegatedFrameHost |
43 // is visible. | 43 // is visible. |
44 // - The RenderWidgetHostViewMac that is used to display these frames is | 44 // - The RenderWidgetHostViewMac that is used to display these frames is |
45 // attached to the NSView hierarchy of an NSWindow. | 45 // attached to the NSView hierarchy of an NSWindow. |
46 class BrowserCompositorMac : public cc::BeginFrameObserver, | 46 class BrowserCompositorMac : public DelegatedFrameHostClient { |
47 public DelegatedFrameHostClient { | |
48 public: | 47 public: |
49 BrowserCompositorMac( | 48 BrowserCompositorMac( |
50 ui::AcceleratedWidgetMacNSView* accelerated_widget_mac_ns_view, | 49 ui::AcceleratedWidgetMacNSView* accelerated_widget_mac_ns_view, |
51 BrowserCompositorMacClient* client, | 50 BrowserCompositorMacClient* client, |
52 bool render_widget_host_is_hidden, | 51 bool render_widget_host_is_hidden, |
53 bool ns_view_attached_to_window, | 52 bool ns_view_attached_to_window, |
54 const cc::FrameSinkId& frame_sink_id); | 53 const cc::FrameSinkId& frame_sink_id); |
55 ~BrowserCompositorMac() override; | 54 ~BrowserCompositorMac() override; |
56 | 55 |
57 // These will not return nullptr until Destroy is called. | 56 // These will not return nullptr until Destroy is called. |
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105 SkColor DelegatedFrameHostGetGutterColor(SkColor color) const override; | 104 SkColor DelegatedFrameHostGetGutterColor(SkColor color) const override; |
106 gfx::Size DelegatedFrameHostDesiredSizeInDIP() const override; | 105 gfx::Size DelegatedFrameHostDesiredSizeInDIP() const override; |
107 bool DelegatedFrameCanCreateResizeLock() const override; | 106 bool DelegatedFrameCanCreateResizeLock() const override; |
108 std::unique_ptr<ResizeLock> DelegatedFrameHostCreateResizeLock( | 107 std::unique_ptr<ResizeLock> DelegatedFrameHostCreateResizeLock( |
109 bool defer_compositor_lock) override; | 108 bool defer_compositor_lock) override; |
110 void DelegatedFrameHostResizeLockWasReleased() override; | 109 void DelegatedFrameHostResizeLockWasReleased() override; |
111 void DelegatedFrameHostSendReclaimCompositorResources( | 110 void DelegatedFrameHostSendReclaimCompositorResources( |
112 int compositor_frame_sink_id, | 111 int compositor_frame_sink_id, |
113 bool is_swap_ack, | 112 bool is_swap_ack, |
114 const cc::ReturnedResourceArray& resources) override; | 113 const cc::ReturnedResourceArray& resources) override; |
115 void SetBeginFrameSource(cc::BeginFrameSource* source) override; | 114 void OnBeginFrame(const cc::BeginFrameArgs& args) override; |
116 bool IsAutoResizeEnabled() const override; | 115 bool IsAutoResizeEnabled() const override; |
117 | 116 |
118 // cc::BeginFrameObserver implementation. | |
119 void OnBeginFrame(const cc::BeginFrameArgs& args) override; | |
120 const cc::BeginFrameArgs& LastUsedBeginFrameArgs() const override; | |
121 void OnBeginFrameSourcePausedChanged(bool paused) override; | |
122 | |
123 private: | 117 private: |
124 // The state of |delegated_frame_host_| and |recyclable_compositor_| to | 118 // The state of |delegated_frame_host_| and |recyclable_compositor_| to |
125 // manage being visible, hidden, or occluded. | 119 // manage being visible, hidden, or occluded. |
126 enum State { | 120 enum State { |
127 // Effects: | 121 // Effects: |
128 // - |recyclable_compositor_| exists and is attached to | 122 // - |recyclable_compositor_| exists and is attached to |
129 // |delegated_frame_host_|. | 123 // |delegated_frame_host_|. |
130 // Happens when: | 124 // Happens when: |
131 // - |render_widet_host_| is in the visible state, or there are | 125 // - |render_widet_host_| is in the visible state, or there are |
132 // outstanding copy requests. | 126 // outstanding copy requests. |
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172 | 166 |
173 BrowserCompositorMacClient* client_ = nullptr; | 167 BrowserCompositorMacClient* client_ = nullptr; |
174 ui::AcceleratedWidgetMacNSView* accelerated_widget_mac_ns_view_ = nullptr; | 168 ui::AcceleratedWidgetMacNSView* accelerated_widget_mac_ns_view_ = nullptr; |
175 std::unique_ptr<RecyclableCompositorMac> recyclable_compositor_; | 169 std::unique_ptr<RecyclableCompositorMac> recyclable_compositor_; |
176 | 170 |
177 std::unique_ptr<DelegatedFrameHost> delegated_frame_host_; | 171 std::unique_ptr<DelegatedFrameHost> delegated_frame_host_; |
178 std::unique_ptr<ui::Layer> root_layer_; | 172 std::unique_ptr<ui::Layer> root_layer_; |
179 | 173 |
180 bool has_transparent_background_ = false; | 174 bool has_transparent_background_ = false; |
181 | 175 |
182 // The begin frame source being observed. Null if none. | |
183 cc::BeginFrameSource* begin_frame_source_ = nullptr; | |
184 cc::BeginFrameArgs last_begin_frame_args_; | |
185 bool needs_begin_frames_ = false; | |
186 | |
187 base::WeakPtrFactory<BrowserCompositorMac> weak_factory_; | 176 base::WeakPtrFactory<BrowserCompositorMac> weak_factory_; |
188 }; | 177 }; |
189 | 178 |
190 } // namespace content | 179 } // namespace content |
191 | 180 |
192 #endif // CONTENT_BROWSER_RENDERER_HOST_BROWSER_COMPOSITOR_VIEW_MAC_H_ | 181 #endif // CONTENT_BROWSER_RENDERER_HOST_BROWSER_COMPOSITOR_VIEW_MAC_H_ |
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