cc/blimp: Set up the framework for state serialization.

cc/layers/layer.h

 // Copyright 2010 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.
 
 #ifndef CC_LAYERS_LAYER_H_
 #define CC_LAYERS_LAYER_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 361 matching lines @@
   // for previously existing Layers, since they should be re-used between each
   // hierarchy update.
   void FromLayerNodeProto(const proto::LayerNode& proto,
                           const LayerIdMap& layer_map,
                           LayerTreeHost* layer_tree_host);
 
   // This method is similar to PushPropertiesTo, but instead of pushing to
   // a LayerImpl, it pushes the properties to proto::LayerProperties. It is
   // called only on layers that have changed properties. The properties
   // themselves are pushed to proto::LayerProperties.
-  void ToLayerPropertiesProto(proto::LayerUpdate* layer_update);
+  void ToLayerPropertiesProto(proto::LayerUpdate* layer_update,
+                              bool inputs_only);
 
   // Read all property values from the given LayerProperties object and update
   // the current layer. The values for |needs_push_properties_| and
   // |num_dependents_need_push_properties_| are always updated, but the rest
   // of |proto| is only read if |needs_push_properties_| is set.
   void FromLayerPropertiesProto(const proto::LayerProperties& proto);
 
   LayerTreeHost* GetLayerTreeHostForTesting() const { return layer_tree_host_; }
   LayerTree* GetLayerTree() const;
 
@@ skipping 93 matching lines @@
   AnimationHost* GetAnimationHost() const;
 
   ElementListType GetElementTypeForAnimation() const;
 
  protected:
   friend class LayerImpl;
   friend class TreeSynchronizer;
   virtual ~Layer();
   Layer();
 
+  // Tests in remote mode need to explicitly set the layer id so it matches the
+  // layer id for the corresponding Layer on the engine.
+  explicit Layer(int layer_id);
+
   LayerTreeHost* layer_tree_host() { return layer_tree_host_; }
   const LayerTreeHost* layer_tree_host() const { return layer_tree_host_; }
 
   // These SetNeeds functions are in order of severity of update:
   //
   // Called when this layer has been modified in some way, but isn't sure
   // that it needs a commit yet.  It needs CalcDrawProperties and UpdateLayers
   // before it knows whether or not a commit is required.
   void SetNeedsUpdate();
   // Called when a property has been modified in a way that the layer
@@ skipping 19 matching lines @@
 
   // Called when the layer's number of drawable descendants changes.
   void AddDrawableDescendants(int num);
 
   bool IsPropertyChangeAllowed() const;
 
   // Serialize all the necessary properties to be able to reconstruct this Layer
   // into proto::LayerProperties. This method is not marked as const
   // as some implementations need reset member fields, similarly to
   // PushPropertiesTo().
-  virtual void LayerSpecificPropertiesToProto(proto::LayerProperties* proto);
+  virtual void LayerSpecificPropertiesToProto(proto::LayerProperties* proto,
+                                              bool inputs_only);
 
   // Deserialize all the necessary properties from proto::LayerProperties into
   // this Layer.
   virtual void FromLayerSpecificPropertiesProto(
       const proto::LayerProperties& proto);
 
   gfx::Rect& update_rect() { return inputs_.update_rect; }
 
   // When true, the layer is about to perform an update. Any commit requests
   // will be handled implicitly after the update completes.
@@ skipping 47 matching lines @@
 
   // When we detach or attach layer to new LayerTreeHost, all property trees'
   // indices becomes invalid.
   void InvalidatePropertyTreesIndices();
 
   // Encapsulates all data, callbacks or interfaces received from the embedder.
   // TODO(khushalsagar): This is only valid when PropertyTrees are built
   // internally in cc. Update this for the SPv2 path where blink generates
   // PropertyTrees.
   struct Inputs {
-    Inputs();
+    explicit Inputs(int layer_id);
     ~Inputs();
 
     int layer_id;
 
     LayerList children;
 
     // The update rect is the region of the compositor resource that was
     // actually updated by the compositor. For layers that may do updating
     // outside the compositor's control (i.e. plugin layers), this information
     // is not available and the update rect will remain empty.
@@ skipping 107 matching lines @@
   // These all act like draw properties, so don't need push properties.
   gfx::Rect visible_layer_rect_;
   size_t num_unclipped_descendants_;
 
   DISALLOW_COPY_AND_ASSIGN(Layer);
 };
 
 }  // namespace cc
 
 #endif  // CC_LAYERS_LAYER_H_