layer.h revision ca12bfac764ba476d6cd062bf1dde12cc64c3f40
1f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles)// Copyright (c) 2012 The Chromium Authors. All rights reserved. 25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be 35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// found in the LICENSE file. 45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles)#ifndef UI_COMPOSITOR_LAYER_H_ 65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#define UI_COMPOSITOR_LAYER_H_ 77dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch 890dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)#include <string> 990dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)#include <vector> 105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 115d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)#include "base/compiler_specific.h" 12eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch#include "base/memory/ref_counted.h" 135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/memory/scoped_ptr.h" 14f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles)#include "base/message_loop/message_loop.h" 155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "cc/animation/animation_events.h" 165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "cc/animation/layer_animation_event_observer.h" 177d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles)#include "cc/base/scoped_ptr_vector.h" 1890dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)#include "cc/layers/content_layer_client.h" 1958537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles)#include "cc/layers/texture_layer_client.h" 2090dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)#include "cc/resources/texture_mailbox.h" 215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "third_party/skia/include/core/SkColor.h" 22c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#include "third_party/skia/include/core/SkRegion.h" 237d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles)#include "ui/compositor/compositor.h" 245d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)#include "ui/compositor/layer_animation_delegate.h" 25c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#include "ui/compositor/layer_delegate.h" 265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ui/compositor/layer_type.h" 27f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles)#include "ui/gfx/rect.h" 2890dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)#include "ui/gfx/transform.h" 2990dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) 3090dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)class SkCanvas; 3190dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) 3290dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)namespace cc { 3390dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)class ContentLayer; 3490dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)class CopyOutputRequest; 3590dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)class DelegatedFrameData; 3690dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)class DelegatedRendererLayer; 3790dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)class Layer; 387d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles)class ResourceUpdateQueue; 39f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles)class SolidColorLayer; 407d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles)class TextureLayer; 417d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles)struct TransferableResource; 427d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles)typedef std::vector<TransferableResource> TransferableResourceArray; 437d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles)} 4458537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) 4558537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles)namespace ui { 4658537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) 47f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles)class Compositor; 4890dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)class LayerAnimator; 4990dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)class Texture; 5090dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) 515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Layer manages a texture, transform and a set of child Layers. Any View that 52f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles)// has enabled layers ends up creating a Layer to manage the texture. 535d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)// A Layer can also be created without a texture, in which case it renders 545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// nothing and is simply used as a node in a hierarchy of layers. 55f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles)// Coordinate system used in layers is DIP (Density Independent Pixel) 565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// coordinates unless explicitly mentioned as pixel coordinates. 57f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles)// 5858537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles)// NOTE: unlike Views, each Layer does *not* own its children views. If you 592a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// delete a Layer and it has children, the parent of each child layer is set to 6058537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles)// NULL, but the children are not deleted. 612a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)class COMPOSITOR_EXPORT Layer 62f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) : public LayerAnimationDelegate, 635d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) NON_EXPORTED_BASE(public cc::ContentLayerClient), 645d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) NON_EXPORTED_BASE(public cc::TextureLayerClient), 6558537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) NON_EXPORTED_BASE(public cc::LayerAnimationEventObserver) { 6658537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) public: 6758537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) Layer(); 682a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) explicit Layer(LayerType type); 6958537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) virtual ~Layer(); 705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Retrieves the Layer's compositor. The Layer will walk up its parent chain 72f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) // to locate it. Returns NULL if the Layer is not attached to a compositor. 7358537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) Compositor* GetCompositor(); 741320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci 7558537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) // Called by the compositor when the Layer is set as its root Layer. This can 765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // only ever be called on the root layer. 775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void SetCompositor(Compositor* compositor); 785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 79f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) LayerDelegate* delegate() { return delegate_; } 80f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) void set_delegate(LayerDelegate* delegate) { delegate_ = delegate; } 8158537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) 8258537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) // Adds a new Layer to this Layer. 8358537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) void Add(Layer* child); 8458537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) 8558537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) // Removes a Layer from this Layer. 8658537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) void Remove(Layer* child); 8758537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) 8858537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) // Stacks |child| above all other children. 89f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) void StackAtTop(Layer* child); 90f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) 9158537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) // Stacks |child| directly above |other|. Both must be children of this 9258537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) // layer. Note that if |child| is initially stacked even higher, calling this 935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // method will result in |child| being lowered in the stacking order. 94f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) void StackAbove(Layer* child, Layer* other); 9558537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) 9658537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) // Stacks |child| below all other children. 9758537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) void StackAtBottom(Layer* child); 98f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) 997d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) // Stacks |child| directly below |other|. Both must be children of this 1007d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) // layer. 101c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) void StackBelow(Layer* child, Layer* other); 102c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 1037d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) // Returns the child Layers. 104f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) const std::vector<Layer*>& children() const { return children_; } 1057d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) 1067d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) // The parent. 1077d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) const Layer* parent() const { return parent_; } 1085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Layer* parent() { return parent_; } 1095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 110f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) LayerType type() const { return type_; } 111f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) 11258537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) // Returns true if this Layer contains |other| somewhere in its children. 113c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) bool Contains(const Layer* other) const; 1147d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) 1155d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // The layer's animator is responsible for causing automatic animations when 1167d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) // properties are set. It also manages a queue of pending animations and 11758537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) // handles blending of animations. The layer takes ownership of the animator. 1187d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) void SetAnimator(LayerAnimator* animator); 1197d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) 1207d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) // Returns the layer's animator. Creates a default animator of one has not 12158537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) // been set. Will not return NULL. 1227d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) LayerAnimator* GetAnimator(); 1237d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) 1247d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) // The transform, relative to the parent. 1257d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) void SetTransform(const gfx::Transform& transform); 1267d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) gfx::Transform transform() const; 1277d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) 1287d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) // Return the target transform if animator is running, or the current 1297d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) // transform otherwise. 13058537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) gfx::Transform GetTargetTransform() const; 13158537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) 13258537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) // The bounds, relative to the parent. 1337d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) void SetBounds(const gfx::Rect& bounds); 1347d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) const gfx::Rect& bounds() const { return bounds_; } 1357d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) 136c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) // Return the target bounds if animator is running, or the current bounds 137c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) // otherwise. 138f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) gfx::Rect GetTargetBounds() const; 1397d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) 1405d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // Sets/gets whether or not drawing of child layers should be clipped to the 141c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) // bounds of this layer. 14258537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) void SetMasksToBounds(bool masks_to_bounds); 143c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) bool GetMasksToBounds() const; 14458537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) 145c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) // The opacity of the layer. The opacity is applied to each pixel of the 14658537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) // texture (resulting alpha = opacity * alpha). 1475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) float opacity() const; 1485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void SetOpacity(float opacity); 1497d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) 150f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) // Returns the actual opacity, which the opacity of this layer multipled by 1517d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) // the combined opacity of the parent. 1525d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) float GetCombinedOpacity() const; 1537d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) 15458537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) // Blur pixels by this amount in anything below the layer and visible through 1557d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) // the layer. 1567d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) int background_blur() const { return background_blur_radius_; } 1577d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) void SetBackgroundBlur(int blur_radius); 1587d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) 1597d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) // Saturate all pixels of this layer by this amount. 1607d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) // This effect will get "combined" with the inverted, 161f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) // brightness and grayscale setting. 1625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) float layer_saturation() const { return layer_saturation_; } 1635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void SetLayerSaturation(float saturation); 1645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 165f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) // Change the brightness of all pixels from this layer by this amount. 16690dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) // This effect will get "combined" with the inverted, saturate 16790dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) // and grayscale setting. 16890dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) float layer_brightness() const { return layer_brightness_; } 16990dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) void SetLayerBrightness(float brightness); 170f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) 17190dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) // Return the target brightness if animator is running, or the current 17290dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) // brightness otherwise. 1737d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) float GetTargetBrightness() const; 1747d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) 1757d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) // Change the grayscale of all pixels from this layer by this amount. 17690dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) // This effect will get "combined" with the inverted, saturate 17790dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) // and brightness setting. 178f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) float layer_grayscale() const { return layer_grayscale_; } 179f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) void SetLayerGrayscale(float grayscale); 18090dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) 1815d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // Return the target grayscale if animator is running, or the current 182f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) // grayscale otherwise. 183f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) float GetTargetGrayscale() const; 1845d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 1857d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) // Zoom the background by a factor of |zoom|. The effect is blended along the 18690dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) // edge across |inset| pixels. 1877d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) void SetBackgroundZoom(float zoom, int inset); 1887d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) 18958537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) // Invert the layer. 19090dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) bool layer_inverted() const { return layer_inverted_; } 1917d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) void SetLayerInverted(bool inverted); 1927d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) 19390dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) // Return the target opacity if animator is running, or the current opacity 1945d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // otherwise. 1955d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) float GetTargetOpacity() const; 1967d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) 1977d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) // Set a layer mask for a layer. 1985d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // Note the provided layer mask can neither have a layer mask itself nor can 19958537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) // it have any children. The ownership of |layer_mask| will not be 2007d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) // transferred with this call. 2017d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) // Furthermore: A mask layer can only be set to one layer. 2027d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) void SetMaskLayer(Layer* layer_mask); 2037d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) Layer* layer_mask_layer() { return layer_mask_; } 2047d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) 20590dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) // Sets the visibility of the Layer. A Layer may be visible but not 2067d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) // drawn. This happens if any ancestor of a Layer is not visible. 20790dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) void SetVisible(bool visible); 208f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) bool visible() const { return visible_; } 2097d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) 2107d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) // Returns the target visibility if the animator is running. Otherwise, it 2117d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) // returns the current visibility. 2127d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) bool GetTargetVisibility() const; 2137d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) 2147d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) // Returns true if this Layer is drawn. A Layer is drawn only if all ancestors 2157d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) // are visible. 2167d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) bool IsDrawn() const; 21790dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) 21890dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) // Returns true if this layer can have a texture (has_texture_ is true) 21990dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) // and is not completely obscured by a child. 220f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) bool ShouldDraw() const; 221f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) 22290dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) // Converts a point from the coordinates of |source| to the coordinates of 22390dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) // |target|. Necessarily, |source| and |target| must inhabit the same Layer 22490dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) // tree. 22590dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) static void ConvertPointToLayer(const Layer* source, 226f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) const Layer* target, 22758537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) gfx::Point* point); 228f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) 22990dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) // Converts a transform to be relative to the given |ancestor|. Returns 2305d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // whether success (that is, whether the given ancestor was really an 2317d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) // ancestor of this layer). 23258537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) bool GetTargetTransformRelativeTo(const Layer* ancestor, 23390dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) gfx::Transform* transform) const; 2345d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 2357d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) // Converts a ui::Layer's transform to the transform on the corresponding 2365d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // cc::Layer. 2377d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) static gfx::Transform ConvertTransformToCCTransform( 2385d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) const gfx::Transform& transform, 2395d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) float device_scale_factor); 24058537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) 24158537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) // See description in View for details 2427d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) void SetFillsBoundsOpaquely(bool fills_bounds_opaquely); 2437d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) bool fills_bounds_opaquely() const { return fills_bounds_opaquely_; } 2447d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) 24590dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) const std::string& name() const { return name_; } 24690dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) void set_name(const std::string& name) { name_ = name; } 24790dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) 248f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) const ui::Texture* texture() const { return texture_.get(); } 24990dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) 25090dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) // Assigns a new external texture. |texture| can be NULL to disable external 25190dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) // updates. 25290dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) void SetExternalTexture(ui::Texture* texture); 25390dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) ui::Texture* external_texture() { return texture_.get(); } 254f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) 255f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) // Set new TextureMailbox for this layer. Note that |mailbox| may hold a 25690dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) // shared memory resource or an actual mailbox for a texture. 257f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) void SetTextureMailbox(const cc::TextureMailbox& mailbox, float scale_factor); 2585d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) cc::TextureMailbox GetTextureMailbox(float* scale_factor); 25990dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) 26090dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) // Sets a delegated frame, coming from a child compositor. 26190dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) void SetDelegatedFrame(scoped_ptr<cc::DelegatedFrameData> frame, 2625d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) gfx::Size frame_size_in_dip); 263f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) 2647d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) bool has_external_content() { 26590dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) return texture_layer_.get() || delegated_renderer_layer_.get(); 2667d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) } 26790dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) 26890dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) // Gets unused resources to recycle to the child compositor. 2697d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) void TakeUnusedResourcesForChildCompositor( 27090dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) cc::TransferableResourceArray* array); 2717d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) 27290dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) // Sets the layer's fill color. May only be called for LAYER_SOLID_COLOR. 27390dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) void SetColor(SkColor color); 27490dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) 2757d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) // Adds |invalid_rect| to the Layer's pending invalid rect and calls 2767d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) // ScheduleDraw(). Returns false if the paint request is ignored. 2777d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) bool SchedulePaint(const gfx::Rect& invalid_rect); 27890dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) 27990dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) // Schedules a redraw of the layer tree at the compositor. 28090dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) // Note that this _does not_ invalidate any region of this layer; use 28190dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) // SchedulePaint() for that. 28290dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) void ScheduleDraw(); 28390dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) 28490dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) // Sends damaged rectangles recorded in |damaged_region_| to 28590dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) // |compostior_| to repaint the content. 2867d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) void SendDamagedRects(); 2877d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) 28858537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) // Suppresses painting the content by disgarding damaged region and ignoring 2897d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) // new paint requests. 2907d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) void SuppressPaint(); 29190dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) 29290dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) // Notifies the layer that the device scale factor has changed. 29390dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) void OnDeviceScaleFactorChanged(float device_scale_factor); 294f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) 295f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) // Sets whether the layer should scale its content. If true, the canvas will 29658537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) // be scaled in software rendering mode before it is passed to 297f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) // |LayerDelegate::OnPaint|. 29858537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) // Set to false if the delegate handles scaling. 29958537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) // NOTE: if this is called during |LayerDelegate::OnPaint|, the new value will 30058537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) // not apply to the canvas passed to the pending draw. 3017d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) void set_scale_content(bool scale_content) { scale_content_ = scale_content; } 3027d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) 303f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) // Returns true if the layer scales its content. 3047d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) bool scale_content() const { return scale_content_; } 3055d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 3065d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // Sometimes the Layer is being updated by something other than SetCanvas 3077d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) // (e.g. the GPU process on UI_COMPOSITOR_IMAGE_TRANSPORT). 3087d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) bool layer_updated_externally() const { return layer_updated_externally_; } 3097d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) 3107d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) // Requets a copy of the layer's output as a texture or bitmap. 3117d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) void RequestCopyOfOutput(scoped_ptr<cc::CopyOutputRequest> request); 3127d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) 3137d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) // ContentLayerClient 3145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual void PaintContents( 3157d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) SkCanvas* canvas, gfx::Rect clip, gfx::RectF* opaque) OVERRIDE; 3167d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) virtual void DidChangeLayerCanUseLCDText() OVERRIDE {} 3177d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) 318f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) cc::Layer* cc_layer() { return cc_layer_; } 319f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) 3207d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) // TextureLayerClient 3217d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) virtual unsigned PrepareTexture() OVERRIDE; 3227d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) virtual WebKit::WebGraphicsContext3D* Context3d() OVERRIDE; 323f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) virtual bool PrepareTextureMailbox(cc::TextureMailbox* mailbox, 3247d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) bool use_shared_memory) OVERRIDE; 3257d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) 3267d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) float device_scale_factor() const { return device_scale_factor_; } 327f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) 3287d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) // Forces a render surface to be used on this layer. This has no positive 3297d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) // impact, and is only used for benchmarking/testing purpose. 3307d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) void SetForceRenderSurface(bool force); 331f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) bool force_render_surface() const { return force_render_surface_; } 3327d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) 3337d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) // LayerAnimationEventObserver 3347d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) virtual void OnAnimationStarted(const cc::AnimationEvent& event) OVERRIDE; 3357d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) 3367d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) // Whether this layer has animations waiting to get sent to its cc::Layer. 3375d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) bool HasPendingThreadedAnimations() { 3387d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) return pending_threaded_animations_.size() != 0; 3395d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } 3407d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) 3415d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // Triggers a call to SwitchToLayer. 3427d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) void SwitchCCLayerForTest(); 3437d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) 3447d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) private: 3457d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) // Stacks |child| above or below |other|. Helper method for StackAbove() and 3465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // StackBelow(). 3475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void StackRelativeTo(Layer* child, Layer* other, bool above); 3485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 349f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) bool ConvertPointForAncestor(const Layer* ancestor, gfx::Point* point) const; 35058537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) bool ConvertPointFromAncestor(const Layer* ancestor, gfx::Point* point) const; 35158537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) 35258537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) // Following are invoked from the animation or if no animation exists to 35358537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) // update the values immediately. 3545d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) void SetBoundsImmediately(const gfx::Rect& bounds); 3557d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) void SetTransformImmediately(const gfx::Transform& transform); 3565d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) void SetOpacityImmediately(float opacity); 3575d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) void SetVisibilityImmediately(bool visibility); 3587d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) void SetBrightnessImmediately(float brightness); 35958537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) void SetGrayscaleImmediately(float grayscale); 3607d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) void SetColorImmediately(SkColor color); 3617d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) 36258537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) // Implementation of LayerAnimatorDelegate 3637d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) virtual void SetBoundsFromAnimation(const gfx::Rect& bounds) OVERRIDE; 3647d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) virtual void SetTransformFromAnimation( 3655d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) const gfx::Transform& transform) OVERRIDE; 3665d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) virtual void SetOpacityFromAnimation(float opacity) OVERRIDE; 3677d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) virtual void SetVisibilityFromAnimation(bool visibility) OVERRIDE; 36858537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) virtual void SetBrightnessFromAnimation(float brightness) OVERRIDE; 3697d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) virtual void SetGrayscaleFromAnimation(float grayscale) OVERRIDE; 3707d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) virtual void SetColorFromAnimation(SkColor color) OVERRIDE; 37158537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) virtual void ScheduleDrawForAnimation() OVERRIDE; 372c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) virtual const gfx::Rect& GetBoundsForAnimation() const OVERRIDE; 37358537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) virtual gfx::Transform GetTransformForAnimation() const OVERRIDE; 37458537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) virtual float GetOpacityForAnimation() const OVERRIDE; 3755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual bool GetVisibilityForAnimation() const OVERRIDE; 3765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual float GetBrightnessForAnimation() const OVERRIDE; 377f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) virtual float GetGrayscaleForAnimation() const OVERRIDE; 37858537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) virtual SkColor GetColorForAnimation() const OVERRIDE; 37958537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) virtual float GetDeviceScaleFactor() const OVERRIDE; 38058537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) virtual void AddThreadedAnimation( 38158537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) scoped_ptr<cc::Animation> animation) OVERRIDE; 38258537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) virtual void RemoveThreadedAnimation(int animation_id) OVERRIDE; 38358537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) 38458537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) void CreateWebLayer(); 38558537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) void RecomputeCCTransformFromTransform(const gfx::Transform& transform); 38658537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) void RecomputeDrawsContentAndUVRect(); 387 void RecomputePosition(); 388 389 // Set all filters which got applied to the layer. 390 void SetLayerFilters(); 391 392 // Set all filters which got applied to the layer background. 393 void SetLayerBackgroundFilters(); 394 395 void UpdateIsDrawn(); 396 397 void SwitchToLayer(scoped_refptr<cc::Layer> new_layer); 398 399 // We cannot send animations to our cc_layer_ until we have been added to a 400 // layer tree. Instead, we hold on to these animations in 401 // pending_threaded_animations_, and expect SendPendingThreadedAnimations to 402 // be called once we have been added to a tree. 403 void SendPendingThreadedAnimations(); 404 405 const LayerType type_; 406 407 Compositor* compositor_; 408 409 scoped_refptr<ui::Texture> texture_; 410 411 Layer* parent_; 412 413 // This layer's children, in bottom-to-top stacking order. 414 std::vector<Layer*> children_; 415 416 gfx::Rect bounds_; 417 418 // Visibility of this layer. See SetVisible/IsDrawn for more details. 419 bool visible_; 420 421 bool force_render_surface_; 422 423 bool fills_bounds_opaquely_; 424 425 // If true the layer is always up to date. 426 bool layer_updated_externally_; 427 428 // Union of damaged rects, in pixel coordinates, to be used when 429 // compositor is ready to paint the content. 430 SkRegion damaged_region_; 431 432 int background_blur_radius_; 433 434 // Several variables which will change the visible representation of 435 // the layer. 436 float layer_saturation_; 437 float layer_brightness_; 438 float layer_grayscale_; 439 bool layer_inverted_; 440 441 // The associated mask layer with this layer. 442 Layer* layer_mask_; 443 // The back link from the mask layer to it's associated masked layer. 444 // We keep this reference for the case that if the mask layer gets deleted 445 // while attached to the main layer before the main layer is deleted. 446 Layer* layer_mask_back_link_; 447 448 // The zoom factor to scale the layer by. Zooming is disabled when this is 449 // set to 1. 450 float zoom_; 451 452 // Width of the border in pixels, where the scaling is blended. 453 int zoom_inset_; 454 455 std::string name_; 456 457 LayerDelegate* delegate_; 458 459 scoped_refptr<LayerAnimator> animator_; 460 461 // Animations that are passed to AddThreadedAnimation before this layer is 462 // added to a tree. 463 cc::ScopedPtrVector<cc::Animation> pending_threaded_animations_; 464 465 // Ownership of the layer is held through one of the strongly typed layer 466 // pointers, depending on which sort of layer this is. 467 scoped_refptr<cc::ContentLayer> content_layer_; 468 scoped_refptr<cc::TextureLayer> texture_layer_; 469 scoped_refptr<cc::SolidColorLayer> solid_color_layer_; 470 scoped_refptr<cc::DelegatedRendererLayer> delegated_renderer_layer_; 471 cc::Layer* cc_layer_; 472 473 // If true, the layer scales the canvas and the texture with the device scale 474 // factor as appropriate. When true, the texture size is in DIP. 475 bool scale_content_; 476 477 // A cached copy of |Compositor::device_scale_factor()|. 478 float device_scale_factor_; 479 480 // A cached copy of the TextureMailbox given texture_layer_. 481 cc::TextureMailbox mailbox_; 482 483 // Device scale factor in which mailbox_ was rendered in. 484 float mailbox_scale_factor_; 485 486 // The size of the delegated frame in DIP, set when SetDelegatedFrame was 487 // called. 488 gfx::Size delegated_frame_size_in_dip_; 489 490 DISALLOW_COPY_AND_ASSIGN(Layer); 491}; 492 493} // namespace ui 494 495#endif // UI_COMPOSITOR_LAYER_H_ 496