root/cc/test/fake_scoped_ui_resource.cc

DEFINITIONS

1. CreateMockUIResourceBitmap
2. Create
3. GetBitmap
4. ResetCounters

// 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.

#include "cc/test/fake_scoped_ui_resource.h"

#include "cc/trees/layer_tree_host.h"

namespace cc {

namespace {

UIResourceBitmap CreateMockUIResourceBitmap() {
  bool is_opaque = false;
  return UIResourceBitmap(gfx::Size(1, 1), is_opaque);
}

}  // anonymous namespace

scoped_ptr<FakeScopedUIResource> FakeScopedUIResource::Create(
    LayerTreeHost* host) {
  return make_scoped_ptr(new FakeScopedUIResource(host));
}

FakeScopedUIResource::FakeScopedUIResource(LayerTreeHost* host)
    : ScopedUIResource(host, CreateMockUIResourceBitmap()) {
  // The constructor of ScopedUIResource already created a resource so we need
  // to delete the created resource to wipe the state clean.
  host_->DeleteUIResource(id_);
  ResetCounters();
  id_ = host_->CreateUIResource(this);
}

UIResourceBitmap FakeScopedUIResource::GetBitmap(UIResourceId uid,
                                                 bool resource_lost) {
  resource_create_count++;
  if (resource_lost)
    lost_resource_count++;
  return ScopedUIResource::GetBitmap(uid, resource_lost);
}

void FakeScopedUIResource::ResetCounters() {
  resource_create_count = 0;
  lost_resource_count = 0;
}

}  // namespace cc