UI Resource Manager

cc/trees/layer_tree_host.cc

Index: cc/trees/layer_tree_host.cc
===================================================================
--- cc/trees/layer_tree_host.cc	(revision 210393)
+++ cc/trees/layer_tree_host.cc	(working copy)
@@ -73,7 +73,8 @@
 
 LayerTreeHost::LayerTreeHost(LayerTreeHostClient* client,
                              const LayerTreeSettings& settings)
-    : animating_(false),
+    : ui_resource_counter_(1),
+      animating_(false),
       needs_full_tree_sync_(true),
       needs_filter_context_(false),
       client_(client),
@@ -96,6 +97,7 @@
       partial_texture_update_requests_(0),
       in_paint_layer_contents_(false),
       total_frames_used_for_lcd_text_metrics_(0) {
+
   if (settings_.accelerated_animation_enabled)
     animation_registrar_ = AnimationRegistrar::Create();
   s_num_layer_tree_instances++;
@@ -1055,4 +1057,31 @@
   return proxy_->CapturePicture();
 }
 
+UIResourceId
+LayerTreeHost::CreateUIResource(scoped_refptr<UIResourceBitmap> bitmap,
+                                UIResourceManagerClient* client) {
+  ui_resource_client_map_[ui_resource_counter_] = client;
+  proxy_->CreateUIResource(ui_resource_counter_,
+                           bitmap,
+                           true);
+  return ui_resource_counter_++;
+}
+
+// Deletes a UI resource.  May safely be called more than once.
+void LayerTreeHost::DeleteUIResource(UIResourceId uid) {
+  proxy_->DeleteUIResource(uid);
+}
+
+void LayerTreeHost::UIResourceReady(UIResourceId id) {
+  if (ui_resource_client_map_.find(id) != ui_resource_client_map_.end()) {
+    ui_resource_client_map_[id]->UIResourceReady(id);
+  }
+}
+
+void LayerTreeHost::UIResourceLost(UIResourceId id) {
+  if (ui_resource_client_map_.find(id) != ui_resource_client_map_.end())
+    ui_resource_client_map_[id]->UIResourceLost(id);
+}
+
+
 }  // namespace cc