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      1 // Copyright 2013 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #include "cc/output/copy_output_request.h"
      6 
      7 #include "base/bind.h"
      8 #include "base/callback_helpers.h"
      9 #include "base/logging.h"
     10 #include "cc/output/copy_output_result.h"
     11 #include "cc/resources/single_release_callback.h"
     12 #include "cc/resources/texture_mailbox.h"
     13 #include "third_party/skia/include/core/SkBitmap.h"
     14 
     15 namespace cc {
     16 
     17 // static
     18 scoped_ptr<CopyOutputRequest> CopyOutputRequest::CreateRelayRequest(
     19     const CopyOutputRequest& original_request,
     20     const CopyOutputRequestCallback& result_callback) {
     21   scoped_ptr<CopyOutputRequest> relay = CreateRequest(result_callback);
     22   relay->force_bitmap_result_ = original_request.force_bitmap_result_;
     23   relay->has_area_ = original_request.has_area_;
     24   relay->area_ = original_request.area_;
     25   relay->has_texture_mailbox_ = original_request.has_texture_mailbox_;
     26   relay->texture_mailbox_ = original_request.texture_mailbox_;
     27   return relay.Pass();
     28 }
     29 
     30 CopyOutputRequest::CopyOutputRequest() {}
     31 
     32 CopyOutputRequest::CopyOutputRequest(
     33     bool force_bitmap_result,
     34     const CopyOutputRequestCallback& result_callback)
     35     : force_bitmap_result_(force_bitmap_result),
     36       has_area_(false),
     37       has_texture_mailbox_(false),
     38       result_callback_(result_callback) {}
     39 
     40 CopyOutputRequest::~CopyOutputRequest() {
     41   if (!result_callback_.is_null())
     42     SendResult(CopyOutputResult::CreateEmptyResult().Pass());
     43 }
     44 
     45 void CopyOutputRequest::SendResult(scoped_ptr<CopyOutputResult> result) {
     46   base::ResetAndReturn(&result_callback_).Run(result.Pass());
     47 }
     48 
     49 void CopyOutputRequest::SendEmptyResult() {
     50   SendResult(CopyOutputResult::CreateEmptyResult().Pass());
     51 }
     52 
     53 void CopyOutputRequest::SendBitmapResult(scoped_ptr<SkBitmap> bitmap) {
     54   SendResult(CopyOutputResult::CreateBitmapResult(bitmap.Pass()).Pass());
     55 }
     56 
     57 void CopyOutputRequest::SendTextureResult(
     58     gfx::Size size,
     59     const TextureMailbox& texture_mailbox,
     60     scoped_ptr<SingleReleaseCallback> release_callback) {
     61   DCHECK(texture_mailbox.IsTexture());
     62   SendResult(CopyOutputResult::CreateTextureResult(
     63       size, texture_mailbox, release_callback.Pass()));
     64 }
     65 
     66 void CopyOutputRequest::SetTextureMailbox(
     67     const TextureMailbox& texture_mailbox) {
     68   DCHECK(!force_bitmap_result_);
     69   DCHECK(texture_mailbox.IsTexture());
     70   has_texture_mailbox_ = true;
     71   texture_mailbox_ = texture_mailbox;
     72 }
     73 
     74 }  // namespace cc
     75