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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 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 // This class is an implementation of the ChromotingView for Pepper. It is | 5 // This class is an implementation of the ChromotingView for Pepper. It is |
| 6 // callable only on the Pepper thread. | 6 // callable only on the Pepper thread. |
| 7 | 7 |
| 8 #ifndef REMOTING_CLIENT_PLUGIN_PEPPER_VIEW_H_ | 8 #ifndef REMOTING_CLIENT_PLUGIN_PEPPER_VIEW_H_ |
| 9 #define REMOTING_CLIENT_PLUGIN_PEPPER_VIEW_H_ | 9 #define REMOTING_CLIENT_PLUGIN_PEPPER_VIEW_H_ |
| 10 | 10 |
| (...skipping 17 matching lines...) Expand all Loading... |
| 28 } // namespace webrtc | 28 } // namespace webrtc |
| 29 | 29 |
| 30 namespace remoting { | 30 namespace remoting { |
| 31 | 31 |
| 32 class ChromotingInstance; | 32 class ChromotingInstance; |
| 33 class ClientContext; | 33 class ClientContext; |
| 34 class FrameProducer; | 34 class FrameProducer; |
| 35 | 35 |
| 36 class PepperView : public FrameConsumer { | 36 class PepperView : public FrameConsumer { |
| 37 public: | 37 public: |
| 38 // Constructs a PepperView for the |instance|. The |instance|, |context| | 38 // Constructs a PepperView for the |instance|. The |instance| and |context| |
| 39 // and |producer| must outlive this class. | 39 // must outlive this class. |
| 40 PepperView(ChromotingInstance* instance, | 40 PepperView(ChromotingInstance* instance, ClientContext* context); |
| 41 ClientContext* context, | |
| 42 FrameProducer* producer); | |
| 43 virtual ~PepperView(); | 41 virtual ~PepperView(); |
| 44 | 42 |
| 43 // Allocates buffers and passes them to the FrameProducer to render into until |
| 44 // the maximum number of buffers are in-flight. |
| 45 void Initialize(FrameProducer* producer); |
| 46 |
| 45 // FrameConsumer implementation. | 47 // FrameConsumer implementation. |
| 46 virtual void ApplyBuffer(const webrtc::DesktopSize& view_size, | 48 virtual void ApplyBuffer(const webrtc::DesktopSize& view_size, |
| 47 const webrtc::DesktopRect& clip_area, | 49 const webrtc::DesktopRect& clip_area, |
| 48 webrtc::DesktopFrame* buffer, | 50 webrtc::DesktopFrame* buffer, |
| 49 const webrtc::DesktopRegion& region) OVERRIDE; | 51 const webrtc::DesktopRegion& region) OVERRIDE; |
| 50 virtual void ReturnBuffer(webrtc::DesktopFrame* buffer) OVERRIDE; | 52 virtual void ReturnBuffer(webrtc::DesktopFrame* buffer) OVERRIDE; |
| 51 virtual void SetSourceSize(const webrtc::DesktopSize& source_size, | 53 virtual void SetSourceSize(const webrtc::DesktopSize& source_size, |
| 52 const webrtc::DesktopVector& dpi) OVERRIDE; | 54 const webrtc::DesktopVector& dpi) OVERRIDE; |
| 55 virtual PixelFormat GetPixelFormat() OVERRIDE; |
| 53 | 56 |
| 54 // Updates the PepperView's size & clipping area, taking into account the | 57 // Updates the PepperView's size & clipping area, taking into account the |
| 55 // DIP-to-device scale factor. | 58 // DIP-to-device scale factor. |
| 56 void SetView(const pp::View& view); | 59 void SetView(const pp::View& view); |
| 57 | 60 |
| 58 // Returns the dimensions of the most recently displayed frame, in pixels. | 61 // Returns the dimensions of the most recently displayed frame, in pixels. |
| 59 const webrtc::DesktopSize& get_source_size() const { | 62 const webrtc::DesktopSize& get_source_size() const { |
| 60 return source_size_; | 63 return source_size_; |
| 61 } | 64 } |
| 62 | 65 |
| 63 // Return the dimensions of the view in Density Independent Pixels (DIPs). | 66 // Return the dimensions of the view in Density Independent Pixels (DIPs). |
| 64 // Note that there may be multiple device pixels per DIP. | 67 // Note that there may be multiple device pixels per DIP. |
| 65 const webrtc::DesktopSize& get_view_size_dips() const { | 68 const webrtc::DesktopSize& get_view_size_dips() const { |
| 66 return dips_size_; | 69 return dips_size_; |
| 67 } | 70 } |
| 68 | 71 |
| 69 private: | 72 private: |
| 70 // Allocates a new frame buffer to supply to the FrameProducer to render into. | 73 // Allocates a new frame buffer to supply to the FrameProducer to render into. |
| 71 // Returns NULL if the maximum number of buffers has already been allocated. | 74 // Returns NULL if the maximum number of buffers has already been allocated. |
| 72 webrtc::DesktopFrame* AllocateBuffer(); | 75 webrtc::DesktopFrame* AllocateBuffer(); |
| 73 | 76 |
| 74 // Frees a frame buffer previously allocated by AllocateBuffer. | 77 // Frees a frame buffer previously allocated by AllocateBuffer. |
| 75 void FreeBuffer(webrtc::DesktopFrame* buffer); | 78 void FreeBuffer(webrtc::DesktopFrame* buffer); |
| 76 | 79 |
| 77 // Allocates buffers and passes them to the FrameProducer to render into until | |
| 78 // the maximum number of buffers are in-flight. | |
| 79 void InitiateDrawing(); | |
| 80 | |
| 81 // Renders the parts of |buffer| identified by |region| to the view. If the | 80 // Renders the parts of |buffer| identified by |region| to the view. If the |
| 82 // clip area of the view has changed since the buffer was generated then | 81 // clip area of the view has changed since the buffer was generated then |
| 83 // FrameProducer is supplied the missed parts of |region|. The FrameProducer | 82 // FrameProducer is supplied the missed parts of |region|. The FrameProducer |
| 84 // will be supplied a new buffer when FlushBuffer() completes. | 83 // will be supplied a new buffer when FlushBuffer() completes. |
| 85 void FlushBuffer(const webrtc::DesktopRect& clip_area, | 84 void FlushBuffer(const webrtc::DesktopRect& clip_area, |
| 86 webrtc::DesktopFrame* buffer, | 85 webrtc::DesktopFrame* buffer, |
| 87 const webrtc::DesktopRegion& region); | 86 const webrtc::DesktopRegion& region); |
| 88 | 87 |
| 89 // Handles completion of FlushBuffer(), triggering a new buffer to be | 88 // Handles completion of FlushBuffer(), triggering a new buffer to be |
| 90 // returned to FrameProducer for rendering. | 89 // returned to FrameProducer for rendering. |
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| 145 bool frame_received_; | 144 bool frame_received_; |
| 146 | 145 |
| 147 pp::CompletionCallbackFactory<PepperView> callback_factory_; | 146 pp::CompletionCallbackFactory<PepperView> callback_factory_; |
| 148 | 147 |
| 149 DISALLOW_COPY_AND_ASSIGN(PepperView); | 148 DISALLOW_COPY_AND_ASSIGN(PepperView); |
| 150 }; | 149 }; |
| 151 | 150 |
| 152 } // namespace remoting | 151 } // namespace remoting |
| 153 | 152 |
| 154 #endif // REMOTING_CLIENT_PLUGIN_PEPPER_VIEW_H_ | 153 #endif // REMOTING_CLIENT_PLUGIN_PEPPER_VIEW_H_ |
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