| // 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. |
| |
| #ifndef REMOTING_CLIENT_FRAME_PRODUCER_H_ |
| #define REMOTING_CLIENT_FRAME_PRODUCER_H_ |
| |
| #include "base/callback_forward.h" |
| #include "third_party/skia/include/core/SkRect.h" |
| #include "third_party/skia/include/core/SkRegion.h" |
| #include "third_party/skia/include/core/SkSize.h" |
| |
| namespace pp { |
| class ImageData; |
| } // namespace pp |
| |
| namespace remoting { |
| |
| class FrameProducer { |
| public: |
| FrameProducer() {} |
| |
| // Adds an image buffer to the pool of pending buffers for subsequent drawing. |
| // Once drawing is completed the buffer will be returned to the consumer via |
| // the FrameConsumer::ApplyBuffer() call. Alternatively an empty buffer could |
| // be returned via the FrameConsumer::ReturnBuffer() call. |
| // |
| // The passed buffer must be large enough to hold the whole clipping area. |
| virtual void DrawBuffer(pp::ImageData* buffer) = 0; |
| |
| // Requests repainting of the specified |region| of the frame as soon as |
| // possible. |region| is specified in output coordinates relative to |
| // the beginning of the frame. |
| virtual void InvalidateRegion(const SkRegion& region) = 0; |
| |
| // Requests returing of all pending buffers to the consumer via |
| // FrameConsumer::ReturnBuffer() calls. |
| virtual void RequestReturnBuffers(const base::Closure& done) = 0; |
| |
| // Notifies the producer of changes to the output view size or clipping area. |
| // Implementations must cope with empty |view_size| or |clip_area|. |
| virtual void SetOutputSizeAndClip(const SkISize& view_size, |
| const SkIRect& clip_area) = 0; |
| |
| protected: |
| virtual ~FrameProducer() {} |
| |
| private: |
| DISALLOW_COPY_AND_ASSIGN(FrameProducer); |
| }; |
| |
| } // namespace remoting |
| |
| #endif // REMOTING_CLIENT_FRAME_PRODUCER_H_ |