cc/output/copy_output_request.cc

   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     const 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