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 11 namespace content { 12 UIResourceProviderImpl()13UIResourceProviderImpl::UIResourceProviderImpl() : host_(NULL) { 14 } 15 ~UIResourceProviderImpl()16UIResourceProviderImpl::~UIResourceProviderImpl() { 17 SetLayerTreeHost(NULL); 18 } 19 SetLayerTreeHost(cc::LayerTreeHost * host)20void UIResourceProviderImpl::SetLayerTreeHost(cc::LayerTreeHost* host) { 21 if (host_ == host) 22 return; 23 host_ = host; 24 UIResourcesAreInvalid(); 25 } 26 UIResourcesAreInvalid()27void UIResourceProviderImpl::UIResourcesAreInvalid() { 28 UIResourceClientMap client_map = ui_resource_client_map_; 29 ui_resource_client_map_.clear(); 30 for (UIResourceClientMap::iterator iter = client_map.begin(); 31 iter != client_map.end(); 32 iter++) { 33 iter->second->UIResourceIsInvalid(); 34 } 35 } 36 CreateUIResource(UIResourceClientAndroid * client)37cc::UIResourceId UIResourceProviderImpl::CreateUIResource( 38 UIResourceClientAndroid* client) { 39 if (!host_) 40 return 0; 41 cc::UIResourceId id = host_->CreateUIResource(client); 42 DCHECK(ui_resource_client_map_.find(id) == ui_resource_client_map_.end()); 43 44 ui_resource_client_map_[id] = client; 45 return id; 46 } 47 DeleteUIResource(cc::UIResourceId ui_resource_id)48void UIResourceProviderImpl::DeleteUIResource(cc::UIResourceId ui_resource_id) { 49 UIResourceClientMap::iterator iter = 50 ui_resource_client_map_.find(ui_resource_id); 51 DCHECK(iter != ui_resource_client_map_.end()); 52 53 ui_resource_client_map_.erase(iter); 54 55 if (!host_) 56 return; 57 host_->DeleteUIResource(ui_resource_id); 58 } 59 60 } // namespace content 61