1// Copyright 2014 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 "content/browser/android/ui_resource_provider_impl.h"
6
7#include "cc/resources/ui_resource_client.h"
8#include "cc/trees/layer_tree_host.h"
9#include "content/public/browser/android/ui_resource_client_android.h"
10
11namespace content {
12
13UIResourceProviderImpl::UIResourceProviderImpl()
14    : system_ui_resource_manager_(this), host_(NULL),
15      supports_etc1_npot_(false) {
16
17}
18
19UIResourceProviderImpl::~UIResourceProviderImpl() {
20  SetLayerTreeHost(NULL);
21}
22
23void UIResourceProviderImpl::SetLayerTreeHost(cc::LayerTreeHost* host) {
24  if (host_ == host)
25    return;
26  host_ = host;
27  UIResourcesAreInvalid();
28}
29
30void UIResourceProviderImpl::UIResourcesAreInvalid() {
31  UIResourceClientMap client_map = ui_resource_client_map_;
32  ui_resource_client_map_.clear();
33  for (UIResourceClientMap::iterator iter = client_map.begin();
34       iter != client_map.end();
35       iter++) {
36    iter->second->UIResourceIsInvalid();
37  }
38}
39
40cc::UIResourceId UIResourceProviderImpl::CreateUIResource(
41    UIResourceClientAndroid* client) {
42  if (!host_)
43    return 0;
44  cc::UIResourceId id = host_->CreateUIResource(client);
45  DCHECK(ui_resource_client_map_.find(id) == ui_resource_client_map_.end());
46
47  ui_resource_client_map_[id] = client;
48  return id;
49}
50
51void UIResourceProviderImpl::DeleteUIResource(cc::UIResourceId ui_resource_id) {
52  UIResourceClientMap::iterator iter =
53      ui_resource_client_map_.find(ui_resource_id);
54  DCHECK(iter != ui_resource_client_map_.end());
55
56  ui_resource_client_map_.erase(iter);
57
58  if (!host_)
59    return;
60  host_->DeleteUIResource(ui_resource_id);
61}
62
63ui::SystemUIResourceManager&
64UIResourceProviderImpl::GetSystemUIResourceManager() {
65  return system_ui_resource_manager_;
66}
67
68bool UIResourceProviderImpl::SupportsETC1NonPowerOfTwo() const {
69  return supports_etc1_npot_;
70}
71
72}  // namespace content
73