cc/trees/mutator_host_client.h

   1 // Copyright 2015 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 #ifndef CC_TREES_MUTATOR_HOST_CLIENT_H_
   6 #define CC_TREES_MUTATOR_HOST_CLIENT_H_
   7
   8 namespace gfx {
   9 class Transform;
  10 class ScrollOffset;
  11 }
  12
  13 namespace cc {
  14
  15 class FilterOperations;
  16 class Layer;
  17
  18 enum class LayerTreeType { ACTIVE, PENDING };
  19
  20 class MutatorHostClient {
  21  public:
  22   virtual bool IsLayerInTree(int layer_id, LayerTreeType tree_type) const = 0;
  23   virtual void SetMutatorsNeedCommit() = 0;
  24
  25   virtual void SetLayerFilterMutated(int layer_id,
  26                                      LayerTreeType tree_type,
  27                                      const FilterOperations& filters) = 0;
  28   virtual void SetLayerOpacityMutated(int layer_id,
  29                                       LayerTreeType tree_type,
  30                                       float opacity) = 0;
  31   virtual void SetLayerTransformMutated(int layer_id,
  32                                         LayerTreeType tree_type,
  33                                         const gfx::Transform& transform) = 0;
  34   virtual void SetLayerScrollOffsetMutated(
  35       int layer_id,
  36       LayerTreeType tree_type,
  37       const gfx::ScrollOffset& scroll_offset) = 0;
  38
  39   virtual void LayerTransformIsPotentiallyAnimatingChanged(
  40       int layer_id,
  41       LayerTreeType tree_type,
  42       bool is_animating) = 0;
  43
  44   virtual void ScrollOffsetAnimationFinished() = 0;
  45   virtual gfx::ScrollOffset GetScrollOffsetForAnimation(int layer_id) const = 0;
  46 };
  47
  48 }  // namespace cc
  49
  50 #endif  // CC_TREES_MUTATOR_HOST_CLIENT_H_