cc/resources/scoped_ui_resource.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/resources/scoped_ui_resource.h"
   6
   7 #include "base/basictypes.h"
   8 #include "base/bind.h"
   9 #include "cc/trees/layer_tree_host.h"
  10
  11 namespace cc {
  12
  13 scoped_ptr<ScopedUIResource> ScopedUIResource::Create(
  14     LayerTreeHost* host,
  15     const UIResourceBitmap& bitmap) {
  16   return make_scoped_ptr(new ScopedUIResource(host, bitmap));
  17 }
  18
  19 ScopedUIResource::ScopedUIResource(LayerTreeHost* host,
  20                                    const UIResourceBitmap& bitmap)
  21     : bitmap_(bitmap), host_(host) {
  22   DCHECK(host_);
  23   id_ = host_->CreateUIResource(this);
  24 }
  25
  26 // User must make sure that host is still valid before this object goes out of
  27 // scope.
  28 ScopedUIResource::~ScopedUIResource() {
  29   if (id_) {
  30     DCHECK(host_);
  31     host_->DeleteUIResource(id_);
  32   }
  33 }
  34
  35 UIResourceBitmap ScopedUIResource::GetBitmap(UIResourceId uid,
  36                                              bool resource_lost) {
  37   return bitmap_;
  38 }
  39
  40 }  // namespace cc