| // Copyright 2013 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 CC_OUTPUT_COPY_OUTPUT_REQUEST_H_ |
| #define CC_OUTPUT_COPY_OUTPUT_REQUEST_H_ |
| |
| #include "base/callback.h" |
| #include "base/memory/scoped_ptr.h" |
| #include "cc/base/cc_export.h" |
| #include "ui/gfx/rect.h" |
| |
| class SkBitmap; |
| |
| namespace cc { |
| class CopyOutputResult; |
| class TextureMailbox; |
| |
| class CC_EXPORT CopyOutputRequest { |
| public: |
| typedef base::Callback<void(scoped_ptr<CopyOutputResult> result)> |
| CopyOutputRequestCallback; |
| |
| static scoped_ptr<CopyOutputRequest> CreateEmptyRequest() { |
| return make_scoped_ptr(new CopyOutputRequest); |
| } |
| static scoped_ptr<CopyOutputRequest> CreateRequest( |
| const CopyOutputRequestCallback& result_callback) { |
| return make_scoped_ptr(new CopyOutputRequest(false, result_callback)); |
| } |
| static scoped_ptr<CopyOutputRequest> CreateBitmapRequest( |
| const CopyOutputRequestCallback& result_callback) { |
| return make_scoped_ptr(new CopyOutputRequest(true, result_callback)); |
| } |
| static scoped_ptr<CopyOutputRequest> CreateRelayRequest( |
| const CopyOutputRequest& original_request, |
| const CopyOutputRequestCallback& result_callback) { |
| scoped_ptr<CopyOutputRequest> relay = CreateRequest(result_callback); |
| relay->force_bitmap_result_ = original_request.force_bitmap_result_; |
| relay->has_area_ = original_request.has_area_; |
| relay->area_ = original_request.area_; |
| return relay.Pass(); |
| } |
| |
| ~CopyOutputRequest(); |
| |
| bool IsEmpty() const { return result_callback_.is_null(); } |
| |
| bool force_bitmap_result() const { return force_bitmap_result_; } |
| |
| // By default copy requests copy the entire layer's subtree output. If an |
| // area is given, then the intersection of this rect (in layer space) with |
| // the layer's subtree output will be returned. |
| void set_area(gfx::Rect area) { |
| has_area_ = true; |
| area_ = area; |
| } |
| bool has_area() const { return has_area_; } |
| gfx::Rect area() const { return area_; } |
| |
| void SendEmptyResult(); |
| void SendBitmapResult(scoped_ptr<SkBitmap> bitmap); |
| void SendTextureResult(gfx::Size size, |
| scoped_ptr<TextureMailbox> texture_mailbox); |
| |
| void SendResult(scoped_ptr<CopyOutputResult> result); |
| |
| bool Equals(const CopyOutputRequest& other) const { |
| return result_callback_.Equals(other.result_callback_) && |
| force_bitmap_result_ == other.force_bitmap_result_; |
| } |
| |
| private: |
| CopyOutputRequest(); |
| explicit CopyOutputRequest(bool force_bitmap_result, |
| const CopyOutputRequestCallback& result_callback); |
| |
| bool force_bitmap_result_; |
| bool has_area_; |
| gfx::Rect area_; |
| CopyOutputRequestCallback result_callback_; |
| }; |
| |
| } // namespace cc |
| |
| #endif // CC_OUTPUT_COPY_OUTPUT_REQUEST_H_ |