Index: ui/compositor/layer.h |
diff --git a/ui/compositor/layer.h b/ui/compositor/layer.h |
index 7c7e4e32562c1899c69a438587c10cc6aaeafea6..7bbd3a69eaa6ceff648a7156372ba3ebe8e7f1b3 100644 |
--- a/ui/compositor/layer.h |
+++ b/ui/compositor/layer.h |
@@ -76,6 +76,9 @@ class COMPOSITOR_EXPORT Layer |
explicit Layer(LayerType type); |
~Layer() override; |
+ // Note that only solid color and surface content is copied. |
+ std::unique_ptr<Layer> Clone() const; |
danakj
2016/10/24 20:28:02
Can you group Clone() and Mirror() together? Peopl
Dominik Laskowski
2016/10/24 22:58:05
Done, but I think "Clone" and "Mirror" are self-ex
|
+ |
// Retrieves the Layer's compositor. The Layer will walk up its parent chain |
// to locate it. Returns NULL if the Layer is not attached to a compositor. |
Compositor* GetCompositor() { |
@@ -294,6 +297,13 @@ class COMPOSITOR_EXPORT Layer |
float scale, |
gfx::Size frame_size_in_dip); |
+ // Returns a new layer that mirrors this layer and is optionally synchronized |
+ // with the bounds thereof. Note that children are not mirrored, and that the |
+ // content is only mirrored if painted by a delegate or backed by a surface. |
+ std::unique_ptr<Layer> Mirror(); |
+ |
+ void set_sync_bounds(bool sync_bounds) { sync_bounds_ = sync_bounds; } |
+ |
bool has_external_content() { |
return texture_layer_.get() || surface_layer_.get(); |
} |
@@ -303,7 +313,7 @@ class COMPOSITOR_EXPORT Layer |
// Sets the layer's fill color. May only be called for LAYER_SOLID_COLOR. |
void SetColor(SkColor color); |
- SkColor GetTargetColor(); |
+ SkColor GetTargetColor() const; |
SkColor background_color() const; |
// Updates the nine patch layer's image, aperture and border. May only be |
@@ -383,6 +393,7 @@ class COMPOSITOR_EXPORT Layer |
private: |
friend class LayerOwner; |
+ class LayerMirror; |
void CollectAnimators(std::vector<scoped_refptr<LayerAnimator> >* animators); |
@@ -433,6 +444,8 @@ class COMPOSITOR_EXPORT Layer |
void SetCompositorForAnimatorsInTree(Compositor* compositor); |
void ResetCompositorForAnimatorsInTree(Compositor* compositor); |
+ void OnMirrorDestroyed(LayerMirror* mirror); |
+ |
const LayerType type_; |
Compositor* compositor_; |
@@ -442,6 +455,11 @@ class COMPOSITOR_EXPORT Layer |
// This layer's children, in bottom-to-top stacking order. |
std::vector<Layer*> children_; |
+ std::vector<std::unique_ptr<LayerMirror>> mirrors_; |
+ |
+ // If true, changes to the bounds of this layer are propagated to mirrors. |
+ bool sync_bounds_ = false; |
+ |
gfx::Rect bounds_; |
gfx::Vector2dF subpixel_position_offset_; |