cc/test/fake_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/test/fake_scoped_ui_resource.h"
   6
   7 #include "cc/trees/layer_tree_host.h"
   8
   9 namespace cc {
  10
  11 namespace {
  12
  13 UIResourceBitmap CreateMockUIResourceBitmap() {
  14   SkBitmap skbitmap;
  15   skbitmap.setConfig(SkBitmap::kARGB_8888_Config, 1, 1);
  16   skbitmap.allocPixels();
  17   skbitmap.setImmutable();
  18   return UIResourceBitmap(skbitmap);
  19 }
  20
  21 }  // anonymous namespace
  22
  23 scoped_ptr<FakeScopedUIResource> FakeScopedUIResource::Create(
  24     LayerTreeHost* host) {
  25   return make_scoped_ptr(new FakeScopedUIResource(host));
  26 }
  27
  28 FakeScopedUIResource::FakeScopedUIResource(LayerTreeHost* host)
  29     : ScopedUIResource(host, CreateMockUIResourceBitmap()) {
  30   // The constructor of ScopedUIResource already created a resource so we need
  31   // to delete the created resource to wipe the state clean.
  32   host_->DeleteUIResource(id_);
  33   ResetCounters();
  34   id_ = host_->CreateUIResource(this);
  35 }
  36
  37 UIResourceBitmap FakeScopedUIResource::GetBitmap(UIResourceId uid,
  38                                                  bool resource_lost) {
  39   resource_create_count++;
  40   if (resource_lost)
  41     lost_resource_count++;
  42   return ScopedUIResource::GetBitmap(uid, resource_lost);
  43 }
  44
  45 void FakeScopedUIResource::ResetCounters() {
  46   resource_create_count = 0;
  47   lost_resource_count = 0;
  48 }
  49
  50 }  // namespace cc