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// Copyright 2014 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 "ui/android/resources/ui_resource_provider.h"
#include "cc/resources/ui_resource_client.h"
#include "cc/trees/layer_tree_host.h"
#include "ui/android/resources/ui_resource_client_android.h"
namespace ui {
UIResourceProvider::UIResourceProvider()
: host_(NULL), supports_etc1_npot_(false) {
}
UIResourceProvider::~UIResourceProvider() {
SetLayerTreeHost(NULL);
}
void UIResourceProvider::SetLayerTreeHost(cc::LayerTreeHost* host) {
if (host_ == host)
return;
host_ = host;
UIResourcesAreInvalid();
}
void UIResourceProvider::UIResourcesAreInvalid() {
UIResourceClientMap client_map;
client_map.swap(ui_resource_client_map_);
for (UIResourceClientMap::iterator iter = client_map.begin();
iter != client_map.end(); iter++) {
iter->second->UIResourceIsInvalid();
}
}
cc::UIResourceId UIResourceProvider::CreateUIResource(
ui::UIResourceClientAndroid* client) {
if (!host_)
return 0;
cc::UIResourceId id = host_->CreateUIResource(client);
DCHECK(ui_resource_client_map_.find(id) == ui_resource_client_map_.end());
ui_resource_client_map_[id] = client;
return id;
}
void UIResourceProvider::DeleteUIResource(cc::UIResourceId ui_resource_id) {
UIResourceClientMap::iterator iter =
ui_resource_client_map_.find(ui_resource_id);
DCHECK(iter != ui_resource_client_map_.end());
ui_resource_client_map_.erase(iter);
if (!host_)
return;
host_->DeleteUIResource(ui_resource_id);
}
bool UIResourceProvider::SupportsETC1NonPowerOfTwo() const {
return supports_etc1_npot_;
}
} // namespace ui
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