layer.h revision a1401311d1ab56c4ed0a474bd38c108f75cb0cd9
15821806d5e7f356e8fa4b058a389a808ea183019Torne (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) 55821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#ifndef UI_COMPOSITOR_LAYER_H_ 65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#define UI_COMPOSITOR_LAYER_H_ 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 85821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <string> 95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <vector> 105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/compiler_specific.h" 125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/memory/ref_counted.h" 135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/memory/scoped_ptr.h" 14ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch#include "base/message_loop/message_loop.h" 152a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "cc/animation/animation_events.h" 162a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "cc/animation/layer_animation_event_observer.h" 172a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "cc/base/scoped_ptr_vector.h" 182a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "cc/layers/content_layer_client.h" 19424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles)#include "cc/layers/layer_client.h" 202a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "cc/layers/texture_layer_client.h" 21868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles)#include "cc/resources/texture_mailbox.h" 225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "third_party/skia/include/core/SkColor.h" 235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "third_party/skia/include/core/SkRegion.h" 245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ui/compositor/compositor.h" 255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ui/compositor/layer_animation_delegate.h" 265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ui/compositor/layer_delegate.h" 275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ui/compositor/layer_type.h" 285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ui/gfx/rect.h" 295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ui/gfx/transform.h" 305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class SkCanvas; 325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 332a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)namespace cc { 342a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)class ContentLayer; 357dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdochclass CopyOutputRequest; 364e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles)class DelegatedFrameProvider; 372a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)class DelegatedRendererLayer; 382a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)class Layer; 392a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)class ResourceUpdateQueue; 402a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)class SolidColorLayer; 412a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)class TextureLayer; 423551c9c881056c480085172ff9840cab31610854Torne (Richard Coles)struct ReturnedResource; 433551c9c881056c480085172ff9840cab31610854Torne (Richard Coles)typedef std::vector<ReturnedResource> ReturnedResourceArray; 442a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 452a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace ui { 475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class Compositor; 495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class LayerAnimator; 50a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)class LayerOwner; 515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class Texture; 525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Layer manages a texture, transform and a set of child Layers. Any View that 545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// has enabled layers ends up creating a Layer to manage the texture. 555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// A Layer can also be created without a texture, in which case it renders 565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// nothing and is simply used as a node in a hierarchy of layers. 575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Coordinate system used in layers is DIP (Density Independent Pixel) 585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// coordinates unless explicitly mentioned as pixel coordinates. 595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// 605d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)// NOTE: Unlike Views, each Layer does *not* own its child Layers. If you 615d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)// delete a Layer and it has children, the parent of each child Layer is set to 625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// NULL, but the children are not deleted. 635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class COMPOSITOR_EXPORT Layer 645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) : public LayerAnimationDelegate, 652a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) NON_EXPORTED_BASE(public cc::ContentLayerClient), 662a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) NON_EXPORTED_BASE(public cc::TextureLayerClient), 67424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles) NON_EXPORTED_BASE(public cc::LayerClient), 682a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) NON_EXPORTED_BASE(public cc::LayerAnimationEventObserver) { 695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) public: 705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Layer(); 715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) explicit Layer(LayerType type); 725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual ~Layer(); 735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 74a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) static bool UsingPictureLayer(); 75a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) 765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Retrieves the Layer's compositor. The Layer will walk up its parent chain 775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // to locate it. Returns NULL if the Layer is not attached to a compositor. 785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Compositor* GetCompositor(); 795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Called by the compositor when the Layer is set as its root Layer. This can 815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // only ever be called on the root layer. 825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void SetCompositor(Compositor* compositor); 835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) LayerDelegate* delegate() { return delegate_; } 855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void set_delegate(LayerDelegate* delegate) { delegate_ = delegate; } 865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 87a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) LayerOwner* owner() { return owner_; } 88a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) 895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Adds a new Layer to this Layer. 905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void Add(Layer* child); 915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Removes a Layer from this Layer. 935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void Remove(Layer* child); 945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Stacks |child| above all other children. 965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void StackAtTop(Layer* child); 975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Stacks |child| directly above |other|. Both must be children of this 995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // layer. Note that if |child| is initially stacked even higher, calling this 1005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // method will result in |child| being lowered in the stacking order. 1015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void StackAbove(Layer* child, Layer* other); 1025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Stacks |child| below all other children. 1045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void StackAtBottom(Layer* child); 1055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Stacks |child| directly below |other|. Both must be children of this 1075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // layer. 1085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void StackBelow(Layer* child, Layer* other); 1095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Returns the child Layers. 1115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const std::vector<Layer*>& children() const { return children_; } 1125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // The parent. 1145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const Layer* parent() const { return parent_; } 1155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Layer* parent() { return parent_; } 1165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) LayerType type() const { return type_; } 1185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Returns true if this Layer contains |other| somewhere in its children. 1205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool Contains(const Layer* other) const; 1215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // The layer's animator is responsible for causing automatic animations when 1235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // properties are set. It also manages a queue of pending animations and 1245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // handles blending of animations. The layer takes ownership of the animator. 1255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void SetAnimator(LayerAnimator* animator); 1265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Returns the layer's animator. Creates a default animator of one has not 1285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // been set. Will not return NULL. 1295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) LayerAnimator* GetAnimator(); 1305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // The transform, relative to the parent. 1325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void SetTransform(const gfx::Transform& transform); 1332a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) gfx::Transform transform() const; 1345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Return the target transform if animator is running, or the current 1365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // transform otherwise. 1375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) gfx::Transform GetTargetTransform() const; 1385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // The bounds, relative to the parent. 1405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void SetBounds(const gfx::Rect& bounds); 1415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const gfx::Rect& bounds() const { return bounds_; } 1425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Return the target bounds if animator is running, or the current bounds 1445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // otherwise. 1455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) gfx::Rect GetTargetBounds() const; 1465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Sets/gets whether or not drawing of child layers should be clipped to the 1485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // bounds of this layer. 1495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void SetMasksToBounds(bool masks_to_bounds); 1505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool GetMasksToBounds() const; 1515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // The opacity of the layer. The opacity is applied to each pixel of the 1535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // texture (resulting alpha = opacity * alpha). 1542a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) float opacity() const; 1555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void SetOpacity(float opacity); 1565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Returns the actual opacity, which the opacity of this layer multipled by 1585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // the combined opacity of the parent. 1595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) float GetCombinedOpacity() const; 1605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Blur pixels by this amount in anything below the layer and visible through 1625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // the layer. 1635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int background_blur() const { return background_blur_radius_; } 1645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void SetBackgroundBlur(int blur_radius); 1655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Saturate all pixels of this layer by this amount. 1675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // This effect will get "combined" with the inverted, 1685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // brightness and grayscale setting. 1695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) float layer_saturation() const { return layer_saturation_; } 1705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void SetLayerSaturation(float saturation); 1715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Change the brightness of all pixels from this layer by this amount. 1735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // This effect will get "combined" with the inverted, saturate 1745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // and grayscale setting. 1755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) float layer_brightness() const { return layer_brightness_; } 1765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void SetLayerBrightness(float brightness); 1775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Return the target brightness if animator is running, or the current 1795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // brightness otherwise. 1805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) float GetTargetBrightness() const; 1815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Change the grayscale of all pixels from this layer by this amount. 1835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // This effect will get "combined" with the inverted, saturate 1845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // and brightness setting. 1855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) float layer_grayscale() const { return layer_grayscale_; } 1865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void SetLayerGrayscale(float grayscale); 1875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Return the target grayscale if animator is running, or the current 1895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // grayscale otherwise. 1905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) float GetTargetGrayscale() const; 1915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1922a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Zoom the background by a factor of |zoom|. The effect is blended along the 1932a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // edge across |inset| pixels. 1942a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) void SetBackgroundZoom(float zoom, int inset); 1952a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 1965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Invert the layer. 1975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool layer_inverted() const { return layer_inverted_; } 1985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void SetLayerInverted(bool inverted); 1995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Return the target opacity if animator is running, or the current opacity 2015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // otherwise. 2025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) float GetTargetOpacity() const; 2035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Set a layer mask for a layer. 2055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Note the provided layer mask can neither have a layer mask itself nor can 2065d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // it have any children. The ownership of |layer_mask| will not be 2075d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // transferred with this call. 2085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Furthermore: A mask layer can only be set to one layer. 2095d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) void SetMaskLayer(Layer* layer_mask); 2105d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) Layer* layer_mask_layer() { return layer_mask_; } 2115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Sets the visibility of the Layer. A Layer may be visible but not 2135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // drawn. This happens if any ancestor of a Layer is not visible. 2145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void SetVisible(bool visible); 2155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool visible() const { return visible_; } 2165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Returns the target visibility if the animator is running. Otherwise, it 2185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // returns the current visibility. 2195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool GetTargetVisibility() const; 2205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Returns true if this Layer is drawn. A Layer is drawn only if all ancestors 2225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // are visible. 2235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool IsDrawn() const; 2245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Returns true if this layer can have a texture (has_texture_ is true) 2265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // and is not completely obscured by a child. 2275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool ShouldDraw() const; 2285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Converts a point from the coordinates of |source| to the coordinates of 2305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // |target|. Necessarily, |source| and |target| must inhabit the same Layer 2315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // tree. 2325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) static void ConvertPointToLayer(const Layer* source, 2335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const Layer* target, 2345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) gfx::Point* point); 2355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2362a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Converts a transform to be relative to the given |ancestor|. Returns 2372a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // whether success (that is, whether the given ancestor was really an 2382a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // ancestor of this layer). 2392a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) bool GetTargetTransformRelativeTo(const Layer* ancestor, 2402a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) gfx::Transform* transform) const; 2412a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 2422a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Converts a ui::Layer's transform to the transform on the corresponding 2432a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // cc::Layer. 2442a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) static gfx::Transform ConvertTransformToCCTransform( 2452a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) const gfx::Transform& transform, 2462a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) float device_scale_factor); 2472a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 2485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // See description in View for details 2495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void SetFillsBoundsOpaquely(bool fills_bounds_opaquely); 2505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool fills_bounds_opaquely() const { return fills_bounds_opaquely_; } 2515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const std::string& name() const { return name_; } 2535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void set_name(const std::string& name) { name_ = name; } 2545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const ui::Texture* texture() const { return texture_.get(); } 2565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Assigns a new external texture. |texture| can be NULL to disable external 2585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // updates. 2595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void SetExternalTexture(ui::Texture* texture); 2605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ui::Texture* external_texture() { return texture_.get(); } 2615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 262868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) // Set new TextureMailbox for this layer. Note that |mailbox| may hold a 263868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) // shared memory resource or an actual mailbox for a texture. 264d0247b1b59f9c528cb6df88b4f2b9afaf80d181eTorne (Richard Coles) void SetTextureMailbox(const cc::TextureMailbox& mailbox, 265d0247b1b59f9c528cb6df88b4f2b9afaf80d181eTorne (Richard Coles) scoped_ptr<cc::SingleReleaseCallback> release_callback, 266d0247b1b59f9c528cb6df88b4f2b9afaf80d181eTorne (Richard Coles) float scale_factor); 267868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) cc::TextureMailbox GetTextureMailbox(float* scale_factor); 268868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) 2694e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) // Begins showing delegated frames from the |frame_provider|. 2704e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) void SetShowDelegatedContent(cc::DelegatedFrameProvider* frame_provider, 2714e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) gfx::Size frame_size_in_dip); 2722a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 2737dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch bool has_external_content() { 2747dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch return texture_layer_.get() || delegated_renderer_layer_.get(); 2757dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch } 2767dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch 2774e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) void SetShowPaintedContent(); 2782a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 2795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Sets the layer's fill color. May only be called for LAYER_SOLID_COLOR. 2805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void SetColor(SkColor color); 2815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Adds |invalid_rect| to the Layer's pending invalid rect and calls 2835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // ScheduleDraw(). Returns false if the paint request is ignored. 2845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool SchedulePaint(const gfx::Rect& invalid_rect); 2855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Schedules a redraw of the layer tree at the compositor. 2875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Note that this _does not_ invalidate any region of this layer; use 2885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // SchedulePaint() for that. 2895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void ScheduleDraw(); 2905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2915d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // Uses damaged rectangles recorded in |damaged_region_| to invalidate the 2925d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // |cc_layer_|. 2935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void SendDamagedRects(); 2945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 295a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) const SkRegion& damaged_region() const { return damaged_region_; } 296a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) 2975d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // Suppresses painting the content by disconnecting |delegate_|. 2985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void SuppressPaint(); 2995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Notifies the layer that the device scale factor has changed. 3015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void OnDeviceScaleFactorChanged(float device_scale_factor); 3025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Sets whether the layer should scale its content. If true, the canvas will 3045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // be scaled in software rendering mode before it is passed to 3055d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // |LayerDelegate::OnPaintLayer|. 3065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Set to false if the delegate handles scaling. 3075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // NOTE: if this is called during |LayerDelegate::OnPaint|, the new value will 3085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // not apply to the canvas passed to the pending draw. 3095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void set_scale_content(bool scale_content) { scale_content_ = scale_content; } 3105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Returns true if the layer scales its content. 3125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool scale_content() const { return scale_content_; } 3135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3147dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch // Requets a copy of the layer's output as a texture or bitmap. 3157dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch void RequestCopyOfOutput(scoped_ptr<cc::CopyOutputRequest> request); 3167dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch 3172a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // ContentLayerClient 3182a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) virtual void PaintContents( 3195d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) SkCanvas* canvas, const gfx::Rect& clip, gfx::RectF* opaque) OVERRIDE; 3202a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) virtual void DidChangeLayerCanUseLCDText() OVERRIDE {} 3215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3222a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) cc::Layer* cc_layer() { return cc_layer_; } 3235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3242a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // TextureLayerClient 3257dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch virtual unsigned PrepareTexture() OVERRIDE; 326d0247b1b59f9c528cb6df88b4f2b9afaf80d181eTorne (Richard Coles) virtual bool PrepareTextureMailbox( 327d0247b1b59f9c528cb6df88b4f2b9afaf80d181eTorne (Richard Coles) cc::TextureMailbox* mailbox, 328d0247b1b59f9c528cb6df88b4f2b9afaf80d181eTorne (Richard Coles) scoped_ptr<cc::SingleReleaseCallback>* release_callback, 329d0247b1b59f9c528cb6df88b4f2b9afaf80d181eTorne (Richard Coles) bool use_shared_memory) OVERRIDE; 3305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) float device_scale_factor() const { return device_scale_factor_; } 3325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Forces a render surface to be used on this layer. This has no positive 3345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // impact, and is only used for benchmarking/testing purpose. 3355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void SetForceRenderSurface(bool force); 3365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool force_render_surface() const { return force_render_surface_; } 3375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 338424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles) // LayerClient 339a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) virtual scoped_refptr<base::debug::ConvertableToTraceFormat> 340a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) TakeDebugInfo() OVERRIDE; 341a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) 3422a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // LayerAnimationEventObserver 3432a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) virtual void OnAnimationStarted(const cc::AnimationEvent& event) OVERRIDE; 3442a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 3452a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Whether this layer has animations waiting to get sent to its cc::Layer. 3462a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) bool HasPendingThreadedAnimations() { 3472a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return pending_threaded_animations_.size() != 0; 3482a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 3492a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 3502a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Triggers a call to SwitchToLayer. 3512a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) void SwitchCCLayerForTest(); 3522a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 3535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) private: 354a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) friend class LayerOwner; 355a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) 3565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Stacks |child| above or below |other|. Helper method for StackAbove() and 3575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // StackBelow(). 3585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void StackRelativeTo(Layer* child, Layer* other, bool above); 3595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool ConvertPointForAncestor(const Layer* ancestor, gfx::Point* point) const; 3615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool ConvertPointFromAncestor(const Layer* ancestor, gfx::Point* point) const; 3625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Implementation of LayerAnimatorDelegate 3645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual void SetBoundsFromAnimation(const gfx::Rect& bounds) OVERRIDE; 3655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual void SetTransformFromAnimation( 3665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const gfx::Transform& transform) OVERRIDE; 3675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual void SetOpacityFromAnimation(float opacity) OVERRIDE; 3685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual void SetVisibilityFromAnimation(bool visibility) OVERRIDE; 3695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual void SetBrightnessFromAnimation(float brightness) OVERRIDE; 3705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual void SetGrayscaleFromAnimation(float grayscale) OVERRIDE; 3715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual void SetColorFromAnimation(SkColor color) OVERRIDE; 3725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual void ScheduleDrawForAnimation() OVERRIDE; 3735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual const gfx::Rect& GetBoundsForAnimation() const OVERRIDE; 3742a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) virtual gfx::Transform GetTransformForAnimation() const OVERRIDE; 3755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual float GetOpacityForAnimation() const OVERRIDE; 3765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual bool GetVisibilityForAnimation() const OVERRIDE; 3775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual float GetBrightnessForAnimation() const OVERRIDE; 3785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual float GetGrayscaleForAnimation() const OVERRIDE; 3795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual SkColor GetColorForAnimation() const OVERRIDE; 3802a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) virtual float GetDeviceScaleFactor() const OVERRIDE; 3812a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) virtual void AddThreadedAnimation( 3822a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) scoped_ptr<cc::Animation> animation) OVERRIDE; 3832a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) virtual void RemoveThreadedAnimation(int animation_id) OVERRIDE; 3845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3855d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // Creates a corresponding composited layer for |type_|. 3865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void CreateWebLayer(); 3875d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 3885d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // Recomputes and sets to |cc_layer_|. 3892a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) void RecomputeCCTransformFromTransform(const gfx::Transform& transform); 3905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void RecomputeDrawsContentAndUVRect(); 391c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) void RecomputePosition(); 3925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Set all filters which got applied to the layer. 3945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void SetLayerFilters(); 3955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3962a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Set all filters which got applied to the layer background. 3972a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) void SetLayerBackgroundFilters(); 3982a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 3995d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // Cleanup |cc_layer_| and replaces it with |new_layer|. 4002a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) void SwitchToLayer(scoped_refptr<cc::Layer> new_layer); 4012a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 4022a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // We cannot send animations to our cc_layer_ until we have been added to a 4032a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // layer tree. Instead, we hold on to these animations in 4042a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // pending_threaded_animations_, and expect SendPendingThreadedAnimations to 4052a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // be called once we have been added to a tree. 4062a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) void SendPendingThreadedAnimations(); 4072a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 4085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const LayerType type_; 4095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Compositor* compositor_; 4115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) scoped_refptr<ui::Texture> texture_; 4135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Layer* parent_; 4155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // This layer's children, in bottom-to-top stacking order. 4175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::vector<Layer*> children_; 4185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) gfx::Rect bounds_; 4205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Visibility of this layer. See SetVisible/IsDrawn for more details. 4225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool visible_; 4235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool force_render_surface_; 4255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool fills_bounds_opaquely_; 4275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Union of damaged rects, in pixel coordinates, to be used when 4295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // compositor is ready to paint the content. 4305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SkRegion damaged_region_; 4315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int background_blur_radius_; 4335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Several variables which will change the visible representation of 4355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // the layer. 4365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) float layer_saturation_; 4375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) float layer_brightness_; 4385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) float layer_grayscale_; 4395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool layer_inverted_; 4405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4415d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // The associated mask layer with this layer. 4425d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) Layer* layer_mask_; 4435d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // The back link from the mask layer to it's associated masked layer. 4445d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // We keep this reference for the case that if the mask layer gets deleted 4455d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // while attached to the main layer before the main layer is deleted. 4465d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) Layer* layer_mask_back_link_; 4475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4482a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // The zoom factor to scale the layer by. Zooming is disabled when this is 4492a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // set to 1. 4502a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) float zoom_; 4512a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 4522a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Width of the border in pixels, where the scaling is blended. 4532a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) int zoom_inset_; 4542a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 4555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::string name_; 4565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) LayerDelegate* delegate_; 4585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 459a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) LayerOwner* owner_; 460a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) 4615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) scoped_refptr<LayerAnimator> animator_; 4625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4632a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Animations that are passed to AddThreadedAnimation before this layer is 4642a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // added to a tree. 4652a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) cc::ScopedPtrVector<cc::Animation> pending_threaded_animations_; 4662a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 4675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Ownership of the layer is held through one of the strongly typed layer 4685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // pointers, depending on which sort of layer this is. 469a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) scoped_refptr<cc::Layer> content_layer_; 4702a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) scoped_refptr<cc::TextureLayer> texture_layer_; 4712a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) scoped_refptr<cc::SolidColorLayer> solid_color_layer_; 4722a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) scoped_refptr<cc::DelegatedRendererLayer> delegated_renderer_layer_; 4732a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) cc::Layer* cc_layer_; 4745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // If true, the layer scales the canvas and the texture with the device scale 476d0247b1b59f9c528cb6df88b4f2b9afaf80d181eTorne (Richard Coles) // factor as apporpriate. When true, the texture size is in DIP. 4775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool scale_content_; 4785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // A cached copy of |Compositor::device_scale_factor()|. 4805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) float device_scale_factor_; 4815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 482868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) // A cached copy of the TextureMailbox given texture_layer_. 483868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) cc::TextureMailbox mailbox_; 484868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) 485868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) // Device scale factor in which mailbox_ was rendered in. 486868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) float mailbox_scale_factor_; 487868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) 4884e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) // The size of the delegated frame in DIP, set when SetShowDelegatedContent 4894e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) // was called. 4902a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) gfx::Size delegated_frame_size_in_dip_; 4912a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 4925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DISALLOW_COPY_AND_ASSIGN(Layer); 4935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 4945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace ui 4965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif // UI_COMPOSITOR_LAYER_H_ 498