Revert 189830 "cc: Chromify LayerTreeHostCommon"

cc/trees/layer_tree_host_common.h

 // Copyright 2011 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_TREES_LAYER_TREE_HOST_COMMON_H_
 #define CC_TREES_LAYER_TREE_HOST_COMMON_H_
 
 #include "base/memory/ref_counted.h"
 #include "cc/base/cc_export.h"
 #include "cc/base/scoped_ptr_vector.h"
 #include "ui/gfx/rect.h"
 #include "ui/gfx/transform.h"
 #include "ui/gfx/vector2d.h"
 
 namespace cc {
 
 class LayerImpl;
 class Layer;
 
 class CC_EXPORT LayerTreeHostCommon {
- public:
-  static gfx::Rect CalculateVisibleRect(gfx::Rect target_surface_rect,
-                                        gfx::Rect layer_bound_rect,
-                                        const gfx::Transform& transform);
+public:
+    static gfx::Rect calculateVisibleRect(const gfx::Rect& targetSurfaceRect, const gfx::Rect& layerBoundRect, const gfx::Transform&);
 
-  static void CalculateDrawProperties(
-      Layer* root_layer,
-      gfx::Size device_viewport_size,
-      float device_scale_factor,
-      float page_scale_factor,
-      int max_texture_size,
-      bool can_use_lcd_text,
-      std::vector<scoped_refptr<Layer> >* render_surface_layer_list);
-  static void CalculateDrawProperties(
-      LayerImpl* root_layer,
-      gfx::Size device_viewport_size,
-      float device_scale_factor,
-      float page_scale_factor,
-      int max_texture_size,
-      bool can_use_lcd_text,
-      std::vector<LayerImpl*>* render_surface_layer_list,
-      bool update_tile_priorities);
+    static void calculateDrawProperties(Layer* rootLayer, const gfx::Size& deviceViewportSize, float deviceScaleFactor, float pageScaleFactor, int maxTextureSize, bool canUseLCDText, std::vector<scoped_refptr<Layer> >& renderSurfaceLayerList);
+    static void calculateDrawProperties(LayerImpl* rootLayer, const gfx::Size& deviceViewportSize, float deviceScaleFactor, float pageScaleFactor, int maxTextureSize, bool canUseLCDText, std::vector<LayerImpl*>& renderSurfaceLayerList, bool updateTilePriorities);
 
-  // Performs hit testing for a given render_surface_layer_list.
-  static LayerImpl* FindLayerThatIsHitByPoint(
-      gfx::PointF screen_space_point,
-      const std::vector<LayerImpl*>& render_surface_layer_list);
+    // Performs hit testing for a given renderSurfaceLayerList.
+    static LayerImpl* findLayerThatIsHitByPoint(const gfx::PointF& screenSpacePoint, const std::vector<LayerImpl*>& renderSurfaceLayerList);
 
-  static LayerImpl* FindLayerThatIsHitByPointInTouchHandlerRegion(
-      gfx::PointF screen_space_point,
-      const std::vector<LayerImpl*>& render_surface_layer_list);
+    static LayerImpl* findLayerThatIsHitByPointInTouchHandlerRegion(const gfx::PointF& screenSpacePoint, const std::vector<LayerImpl*>& renderSurfaceLayerList);
 
-  static bool LayerHasTouchEventHandlersAt(gfx::PointF screen_space_point,
-                                           LayerImpl* layer_impl);
+    static bool layerHasTouchEventHandlersAt(const gfx::PointF& screenSpacePoint, LayerImpl* layerImpl);
 
-  template <typename LayerType>
-  static bool RenderSurfaceContributesToTarget(LayerType*,
-                                               int target_surface_layer_id);
+    template<typename LayerType> static bool renderSurfaceContributesToTarget(LayerType*, int targetSurfaceLayerID);
 
-  template <class Function, typename LayerType>
-  static void CallFunctionForSubtree(LayerType* root_layer);
+    template<class Function, typename LayerType> static void callFunctionForSubtree(LayerType* rootLayer);
 
-  // Returns a layer with the given id if one exists in the subtree starting
-  // from the given root layer (including mask and replica layers).
-  template <typename LayerType>
-  static LayerType* FindLayerInSubtree(LayerType* root_layer, int layer_id);
+    // Returns a layer with the given id if one exists in the subtree starting
+    // from the given root layer (including mask and replica layers).
+    template<typename LayerType> static LayerType* findLayerInSubtree(LayerType* rootLayer, int layerId);
 
-  static Layer* get_child_as_raw_ptr(
-      const std::vector<scoped_refptr<Layer> >& children,
-      size_t index) {
-    return children[index].get();
-  }
+    static Layer* getChildAsRawPtr(const std::vector<scoped_refptr<Layer> >& children, size_t index)
+    {
+        return children[index].get();
+    }
 
-  static LayerImpl* get_child_as_raw_ptr(
-      const ScopedPtrVector<LayerImpl>& children,
-      size_t index) {
-    return children[index];
-  }
+    static LayerImpl* getChildAsRawPtr(const ScopedPtrVector<LayerImpl>& children, size_t index)
+    {
+        return children[index];
+    }
 
-  struct ScrollUpdateInfo {
-    int layer_id;
-    gfx::Vector2d scroll_delta;
-  };
+    struct ScrollUpdateInfo {
+        int layerId;
+        gfx::Vector2d scrollDelta;
+    };
 };
 
 struct CC_EXPORT ScrollAndScaleSet {
-  ScrollAndScaleSet();
-  ~ScrollAndScaleSet();
+    ScrollAndScaleSet();
+    ~ScrollAndScaleSet();
 
-  std::vector<LayerTreeHostCommon::ScrollUpdateInfo> scrolls;
-  float page_scale_delta;
+    std::vector<LayerTreeHostCommon::ScrollUpdateInfo> scrolls;
+    float pageScaleDelta;
 };
 
-template <typename LayerType>
-bool LayerTreeHostCommon::RenderSurfaceContributesToTarget(
-    LayerType* layer,
-    int target_surface_layer_id) {
-  // A layer will either contribute its own content, or its render surface's
-  // content, to the target surface. The layer contributes its surface's content
-  // when both the following are true:
-  //  (1) The layer actually has a renderSurface, and
-  //  (2) The layer's renderSurface is not the same as the targetSurface.
-  //
-  // Otherwise, the layer just contributes itself to the target surface.
+template<typename LayerType>
+bool LayerTreeHostCommon::renderSurfaceContributesToTarget(LayerType* layer, int targetSurfaceLayerID)
+{
+    // A layer will either contribute its own content, or its render surface's content, to
+    // the target surface. The layer contributes its surface's content when both the
+    // following are true:
+    //  (1) The layer actually has a renderSurface, and
+    //  (2) The layer's renderSurface is not the same as the targetSurface.
+    //
+    // Otherwise, the layer just contributes itself to the target surface.
 
-  return layer->render_surface() && layer->id() != target_surface_layer_id;
+    return layer->render_surface() && layer->id() != targetSurfaceLayerID;
 }
 
-template <typename LayerType>
-LayerType* LayerTreeHostCommon::FindLayerInSubtree(LayerType* root_layer,
-                                                   int layer_id) {
-  if (root_layer->id() == layer_id)
-    return root_layer;
+template<typename LayerType>
+LayerType* LayerTreeHostCommon::findLayerInSubtree(LayerType* rootLayer, int layerId)
+{
+    if (rootLayer->id() == layerId)
+        return rootLayer;
 
-  if (root_layer->mask_layer() && root_layer->mask_layer()->id() == layer_id)
-    return root_layer->mask_layer();
+    if (rootLayer->mask_layer() && rootLayer->mask_layer()->id() == layerId)
+        return rootLayer->mask_layer();
 
-  if (root_layer->replica_layer() &&
-      root_layer->replica_layer()->id() == layer_id)
-    return root_layer->replica_layer();
+    if (rootLayer->replica_layer() && rootLayer->replica_layer()->id() == layerId)
+        return rootLayer->replica_layer();
 
-  for (size_t i = 0; i < root_layer->children().size(); ++i) {
-    if (LayerType* found = FindLayerInSubtree(
-            get_child_as_raw_ptr(root_layer->children(), i), layer_id))
-      return found;
-  }
-  return NULL;
+    for (size_t i = 0; i < rootLayer->children().size(); ++i) {
+        if (LayerType* found = findLayerInSubtree(getChildAsRawPtr(rootLayer->children(), i), layerId))
+            return found;
+    }
+    return 0;
 }
 
-template <class Function, typename LayerType>
-void LayerTreeHostCommon::CallFunctionForSubtree(LayerType* root_layer) {
-  Function()(root_layer);
+template<class Function, typename LayerType>
+void LayerTreeHostCommon::callFunctionForSubtree(LayerType* rootLayer)
+{
+    Function()(rootLayer);
+   
+    if (LayerType* maskLayer = rootLayer->mask_layer())
+        Function()(maskLayer);
+    if (LayerType* replicaLayer = rootLayer->replica_layer()) {
+        Function()(replicaLayer);
+        if (LayerType* maskLayer = replicaLayer->mask_layer())
+            Function()(maskLayer);
+    }
 
-  if (LayerType* maskLayer = root_layer->mask_layer())
-    Function()(maskLayer);
-  if (LayerType* replicaLayer = root_layer->replica_layer()) {
-    Function()(replicaLayer);
-    if (LayerType* maskLayer = replicaLayer->mask_layer())
-      Function()(maskLayer);
-  }
-
-  for (size_t i = 0; i < root_layer->children().size(); ++i) {
-    CallFunctionForSubtree<Function>(
-        get_child_as_raw_ptr(root_layer->children(), i));
-  }
+    for (size_t i = 0; i < rootLayer->children().size(); ++i)
+        callFunctionForSubtree<Function>(getChildAsRawPtr(rootLayer->children(), i));
 }
 
 }  // namespace cc
 
 #endif  // CC_TREES_LAYER_TREE_HOST_COMMON_H_