layer.h revision 0529e5d033099cbfc42635f6f6183833b09dff6e
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) 525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Layer manages a texture, transform and a set of child Layers. Any View that 535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// has enabled layers ends up creating a Layer to manage the texture. 545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// A Layer can also be created without a texture, in which case it renders 555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// nothing and is simply used as a node in a hierarchy of layers. 565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Coordinate system used in layers is DIP (Density Independent Pixel) 575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// coordinates unless explicitly mentioned as pixel coordinates. 585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// 595d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)// NOTE: Unlike Views, each Layer does *not* own its child Layers. If you 605d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)// delete a Layer and it has children, the parent of each child Layer is set to 615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// NULL, but the children are not deleted. 625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class COMPOSITOR_EXPORT Layer 635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) : public LayerAnimationDelegate, 642a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) NON_EXPORTED_BASE(public cc::ContentLayerClient), 652a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) NON_EXPORTED_BASE(public cc::TextureLayerClient), 66424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles) NON_EXPORTED_BASE(public cc::LayerClient), 672a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) NON_EXPORTED_BASE(public cc::LayerAnimationEventObserver) { 685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) public: 695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Layer(); 705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) explicit Layer(LayerType type); 715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual ~Layer(); 725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 73a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) static bool UsingPictureLayer(); 74a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) 755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Retrieves the Layer's compositor. The Layer will walk up its parent chain 765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // to locate it. Returns NULL if the Layer is not attached to a compositor. 775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Compositor* GetCompositor(); 785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Called by the compositor when the Layer is set as its root Layer. This can 805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // only ever be called on the root layer. 815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void SetCompositor(Compositor* compositor); 825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) LayerDelegate* delegate() { return delegate_; } 845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void set_delegate(LayerDelegate* delegate) { delegate_ = delegate; } 855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 86a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) LayerOwner* owner() { return owner_; } 87a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) 885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Adds a new Layer to this Layer. 895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void Add(Layer* child); 905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Removes a Layer from this Layer. 925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void Remove(Layer* child); 935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Stacks |child| above all other children. 955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void StackAtTop(Layer* child); 965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Stacks |child| directly above |other|. Both must be children of this 985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // layer. Note that if |child| is initially stacked even higher, calling this 995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // method will result in |child| being lowered in the stacking order. 1005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void StackAbove(Layer* child, Layer* other); 1015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Stacks |child| below all other children. 1035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void StackAtBottom(Layer* child); 1045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Stacks |child| directly below |other|. Both must be children of this 1065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // layer. 1075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void StackBelow(Layer* child, Layer* other); 1085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Returns the child Layers. 1105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const std::vector<Layer*>& children() const { return children_; } 1115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // The parent. 1135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const Layer* parent() const { return parent_; } 1145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Layer* parent() { return parent_; } 1155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) LayerType type() const { return type_; } 1175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Returns true if this Layer contains |other| somewhere in its children. 1195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool Contains(const Layer* other) const; 1205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // The layer's animator is responsible for causing automatic animations when 1225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // properties are set. It also manages a queue of pending animations and 1235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // handles blending of animations. The layer takes ownership of the animator. 1245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void SetAnimator(LayerAnimator* animator); 1255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Returns the layer's animator. Creates a default animator of one has not 1275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // been set. Will not return NULL. 1285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) LayerAnimator* GetAnimator(); 1295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // The transform, relative to the parent. 1315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void SetTransform(const gfx::Transform& transform); 1322a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) gfx::Transform transform() const; 1335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Return the target transform if animator is running, or the current 1355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // transform otherwise. 1365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) gfx::Transform GetTargetTransform() const; 1375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // The bounds, relative to the parent. 1395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void SetBounds(const gfx::Rect& bounds); 1405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const gfx::Rect& bounds() const { return bounds_; } 1415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Return the target bounds if animator is running, or the current bounds 1435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // otherwise. 1445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) gfx::Rect GetTargetBounds() const; 1455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Sets/gets whether or not drawing of child layers should be clipped to the 1475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // bounds of this layer. 1485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void SetMasksToBounds(bool masks_to_bounds); 1495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool GetMasksToBounds() const; 1505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // The opacity of the layer. The opacity is applied to each pixel of the 1525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // texture (resulting alpha = opacity * alpha). 1532a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) float opacity() const; 1545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void SetOpacity(float opacity); 1555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Returns the actual opacity, which the opacity of this layer multipled by 1575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // the combined opacity of the parent. 1585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) float GetCombinedOpacity() const; 1595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Blur pixels by this amount in anything below the layer and visible through 1615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // the layer. 1625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int background_blur() const { return background_blur_radius_; } 1635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void SetBackgroundBlur(int blur_radius); 1645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Saturate all pixels of this layer by this amount. 1665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // This effect will get "combined" with the inverted, 1675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // brightness and grayscale setting. 1685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) float layer_saturation() const { return layer_saturation_; } 1695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void SetLayerSaturation(float saturation); 1705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Change the brightness of all pixels from this layer by this amount. 1725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // This effect will get "combined" with the inverted, saturate 1735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // and grayscale setting. 1745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) float layer_brightness() const { return layer_brightness_; } 1755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void SetLayerBrightness(float brightness); 1765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Return the target brightness if animator is running, or the current 1785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // brightness otherwise. 1795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) float GetTargetBrightness() const; 1805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Change the grayscale of all pixels from this layer by this amount. 1825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // This effect will get "combined" with the inverted, saturate 1835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // and brightness setting. 1845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) float layer_grayscale() const { return layer_grayscale_; } 1855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void SetLayerGrayscale(float grayscale); 1865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Return the target grayscale if animator is running, or the current 1885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // grayscale otherwise. 1895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) float GetTargetGrayscale() const; 1905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1912a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Zoom the background by a factor of |zoom|. The effect is blended along the 1922a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // edge across |inset| pixels. 1932a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) void SetBackgroundZoom(float zoom, int inset); 1942a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 1950529e5d033099cbfc42635f6f6183833b09dff6eBen Murdoch // Set the shape of this layer. 1960529e5d033099cbfc42635f6f6183833b09dff6eBen Murdoch void SetAlphaShape(scoped_ptr<SkRegion> region); 1970529e5d033099cbfc42635f6f6183833b09dff6eBen Murdoch 1985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Invert the layer. 1995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool layer_inverted() const { return layer_inverted_; } 2005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void SetLayerInverted(bool inverted); 2015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Return the target opacity if animator is running, or the current opacity 2035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // otherwise. 2045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) float GetTargetOpacity() const; 2055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Set a layer mask for a layer. 2075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Note the provided layer mask can neither have a layer mask itself nor can 2085d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // it have any children. The ownership of |layer_mask| will not be 2095d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // transferred with this call. 2105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Furthermore: A mask layer can only be set to one layer. 2115d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) void SetMaskLayer(Layer* layer_mask); 2125d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) Layer* layer_mask_layer() { return layer_mask_; } 2135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Sets the visibility of the Layer. A Layer may be visible but not 2155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // drawn. This happens if any ancestor of a Layer is not visible. 2165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void SetVisible(bool visible); 2175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool visible() const { return visible_; } 2185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Returns the target visibility if the animator is running. Otherwise, it 2205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // returns the current visibility. 2215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool GetTargetVisibility() const; 2225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Returns true if this Layer is drawn. A Layer is drawn only if all ancestors 2245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // are visible. 2255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool IsDrawn() const; 2265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Returns true if this layer can have a texture (has_texture_ is true) 2285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // and is not completely obscured by a child. 2295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool ShouldDraw() const; 2305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Converts a point from the coordinates of |source| to the coordinates of 2325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // |target|. Necessarily, |source| and |target| must inhabit the same Layer 2335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // tree. 2345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) static void ConvertPointToLayer(const Layer* source, 2355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const Layer* target, 2365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) gfx::Point* point); 2375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2382a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Converts a transform to be relative to the given |ancestor|. Returns 2392a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // whether success (that is, whether the given ancestor was really an 2402a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // ancestor of this layer). 2412a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) bool GetTargetTransformRelativeTo(const Layer* ancestor, 2422a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) gfx::Transform* transform) const; 2432a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 2442a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Converts a ui::Layer's transform to the transform on the corresponding 2452a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // cc::Layer. 2462a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) static gfx::Transform ConvertTransformToCCTransform( 2472a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) const gfx::Transform& transform, 2482a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) float device_scale_factor); 2492a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 2505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // See description in View for details 2515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void SetFillsBoundsOpaquely(bool fills_bounds_opaquely); 2525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool fills_bounds_opaquely() const { return fills_bounds_opaquely_; } 2535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 254effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch // Set to true if this layer always paints completely within its bounds. If so 255effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch // we can omit an unnecessary clear, even if the layer is transparent. 256effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch void SetFillsBoundsCompletely(bool fills_bounds_completely); 257effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch 2585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const std::string& name() const { return name_; } 2595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void set_name(const std::string& name) { name_ = name; } 2605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 261868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) // Set new TextureMailbox for this layer. Note that |mailbox| may hold a 262868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) // shared memory resource or an actual mailbox for a texture. 263d0247b1b59f9c528cb6df88b4f2b9afaf80d181eTorne (Richard Coles) void SetTextureMailbox(const cc::TextureMailbox& mailbox, 264d0247b1b59f9c528cb6df88b4f2b9afaf80d181eTorne (Richard Coles) scoped_ptr<cc::SingleReleaseCallback> release_callback, 265c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch gfx::Size texture_size_in_dip); 266c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch void SetTextureSize(gfx::Size texture_size_in_dip); 267868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) 2684e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) // Begins showing delegated frames from the |frame_provider|. 2694e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) void SetShowDelegatedContent(cc::DelegatedFrameProvider* frame_provider, 2704e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) gfx::Size frame_size_in_dip); 2712a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 2727dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch bool has_external_content() { 2737dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch return texture_layer_.get() || delegated_renderer_layer_.get(); 2747dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch } 2757dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch 2764e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) void SetShowPaintedContent(); 2772a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 2785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Sets the layer's fill color. May only be called for LAYER_SOLID_COLOR. 2795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void SetColor(SkColor color); 2805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Adds |invalid_rect| to the Layer's pending invalid rect and calls 2825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // ScheduleDraw(). Returns false if the paint request is ignored. 2835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool SchedulePaint(const gfx::Rect& invalid_rect); 2845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Schedules a redraw of the layer tree at the compositor. 2865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Note that this _does not_ invalidate any region of this layer; use 2875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // SchedulePaint() for that. 2885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void ScheduleDraw(); 2895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2905d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // Uses damaged rectangles recorded in |damaged_region_| to invalidate the 2915d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // |cc_layer_|. 2925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void SendDamagedRects(); 2935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 294a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) const SkRegion& damaged_region() const { return damaged_region_; } 295a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) 2965d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // Suppresses painting the content by disconnecting |delegate_|. 2975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void SuppressPaint(); 2985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Notifies the layer that the device scale factor has changed. 3005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void OnDeviceScaleFactorChanged(float device_scale_factor); 3015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Sets whether the layer should scale its content. If true, the canvas will 3035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // be scaled in software rendering mode before it is passed to 3045d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // |LayerDelegate::OnPaintLayer|. 3055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Set to false if the delegate handles scaling. 3065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // NOTE: if this is called during |LayerDelegate::OnPaint|, the new value will 3075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // not apply to the canvas passed to the pending draw. 3085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void set_scale_content(bool scale_content) { scale_content_ = scale_content; } 3095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Returns true if the layer scales its content. 3115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool scale_content() const { return scale_content_; } 3125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3137dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch // Requets a copy of the layer's output as a texture or bitmap. 3147dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch void RequestCopyOfOutput(scoped_ptr<cc::CopyOutputRequest> request); 3157dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch 3162a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // ContentLayerClient 3172a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) virtual void PaintContents( 3185d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) SkCanvas* canvas, const gfx::Rect& clip, gfx::RectF* opaque) OVERRIDE; 3192a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) virtual void DidChangeLayerCanUseLCDText() OVERRIDE {} 320effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch virtual bool FillsBoundsCompletely() const OVERRIDE; 3215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3222a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) cc::Layer* cc_layer() { return cc_layer_; } 3235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3242a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // TextureLayerClient 325d0247b1b59f9c528cb6df88b4f2b9afaf80d181eTorne (Richard Coles) virtual bool PrepareTextureMailbox( 326d0247b1b59f9c528cb6df88b4f2b9afaf80d181eTorne (Richard Coles) cc::TextureMailbox* mailbox, 327d0247b1b59f9c528cb6df88b4f2b9afaf80d181eTorne (Richard Coles) scoped_ptr<cc::SingleReleaseCallback>* release_callback, 328d0247b1b59f9c528cb6df88b4f2b9afaf80d181eTorne (Richard Coles) bool use_shared_memory) OVERRIDE; 3295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) float device_scale_factor() const { return device_scale_factor_; } 3315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Forces a render surface to be used on this layer. This has no positive 3335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // impact, and is only used for benchmarking/testing purpose. 3345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void SetForceRenderSurface(bool force); 3355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool force_render_surface() const { return force_render_surface_; } 3365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 337424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles) // LayerClient 338a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) virtual scoped_refptr<base::debug::ConvertableToTraceFormat> 339a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) TakeDebugInfo() OVERRIDE; 340a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) 3412a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // LayerAnimationEventObserver 3422a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) virtual void OnAnimationStarted(const cc::AnimationEvent& event) OVERRIDE; 3432a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 3442a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Whether this layer has animations waiting to get sent to its cc::Layer. 3452a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) bool HasPendingThreadedAnimations() { 3462a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return pending_threaded_animations_.size() != 0; 3472a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 3482a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 3492a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Triggers a call to SwitchToLayer. 3502a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) void SwitchCCLayerForTest(); 3512a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 3525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) private: 353a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) friend class LayerOwner; 354a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) 3555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Stacks |child| above or below |other|. Helper method for StackAbove() and 3565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // StackBelow(). 3575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void StackRelativeTo(Layer* child, Layer* other, bool above); 3585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool ConvertPointForAncestor(const Layer* ancestor, gfx::Point* point) const; 3605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool ConvertPointFromAncestor(const Layer* ancestor, gfx::Point* point) const; 3615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Implementation of LayerAnimatorDelegate 3635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual void SetBoundsFromAnimation(const gfx::Rect& bounds) OVERRIDE; 3645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual void SetTransformFromAnimation( 3655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const gfx::Transform& transform) OVERRIDE; 3665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual void SetOpacityFromAnimation(float opacity) OVERRIDE; 3675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual void SetVisibilityFromAnimation(bool visibility) OVERRIDE; 3685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual void SetBrightnessFromAnimation(float brightness) OVERRIDE; 3695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual void SetGrayscaleFromAnimation(float grayscale) OVERRIDE; 3705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual void SetColorFromAnimation(SkColor color) OVERRIDE; 3715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual void ScheduleDrawForAnimation() OVERRIDE; 3725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual const gfx::Rect& GetBoundsForAnimation() const OVERRIDE; 3732a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) virtual gfx::Transform GetTransformForAnimation() const OVERRIDE; 3745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual float GetOpacityForAnimation() const OVERRIDE; 3755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual bool GetVisibilityForAnimation() const OVERRIDE; 3765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual float GetBrightnessForAnimation() const OVERRIDE; 3775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual float GetGrayscaleForAnimation() const OVERRIDE; 3785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual SkColor GetColorForAnimation() const OVERRIDE; 3792a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) virtual float GetDeviceScaleFactor() const OVERRIDE; 3802a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) virtual void AddThreadedAnimation( 3812a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) scoped_ptr<cc::Animation> animation) OVERRIDE; 3822a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) virtual void RemoveThreadedAnimation(int animation_id) OVERRIDE; 3835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3845d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // Creates a corresponding composited layer for |type_|. 3855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void CreateWebLayer(); 3865d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 3875d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // Recomputes and sets to |cc_layer_|. 3882a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) void RecomputeCCTransformFromTransform(const gfx::Transform& transform); 3895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void RecomputeDrawsContentAndUVRect(); 390c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) void RecomputePosition(); 3915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Set all filters which got applied to the layer. 3935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void SetLayerFilters(); 3945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3952a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Set all filters which got applied to the layer background. 3962a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) void SetLayerBackgroundFilters(); 3972a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 3985d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // Cleanup |cc_layer_| and replaces it with |new_layer|. 3992a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) void SwitchToLayer(scoped_refptr<cc::Layer> new_layer); 4002a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 4012a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // We cannot send animations to our cc_layer_ until we have been added to a 4022a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // layer tree. Instead, we hold on to these animations in 4032a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // pending_threaded_animations_, and expect SendPendingThreadedAnimations to 4042a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // be called once we have been added to a tree. 4052a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) void SendPendingThreadedAnimations(); 4062a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 4075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const LayerType type_; 4085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Compositor* compositor_; 4105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Layer* parent_; 4125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // This layer's children, in bottom-to-top stacking order. 4145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::vector<Layer*> children_; 4155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) gfx::Rect bounds_; 4175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Visibility of this layer. See SetVisible/IsDrawn for more details. 4195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool visible_; 4205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool force_render_surface_; 4225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool fills_bounds_opaquely_; 424effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch bool fills_bounds_completely_; 4255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Union of damaged rects, in pixel coordinates, to be used when 4275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // compositor is ready to paint the content. 4285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SkRegion damaged_region_; 4295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int background_blur_radius_; 4315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Several variables which will change the visible representation of 4335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // the layer. 4345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) float layer_saturation_; 4355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) float layer_brightness_; 4365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) float layer_grayscale_; 4375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool layer_inverted_; 4385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4395d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // The associated mask layer with this layer. 4405d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) Layer* layer_mask_; 4415d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // The back link from the mask layer to it's associated masked layer. 4425d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // We keep this reference for the case that if the mask layer gets deleted 4435d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // while attached to the main layer before the main layer is deleted. 4445d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) Layer* layer_mask_back_link_; 4455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4462a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // The zoom factor to scale the layer by. Zooming is disabled when this is 4472a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // set to 1. 4482a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) float zoom_; 4492a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 4502a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Width of the border in pixels, where the scaling is blended. 4512a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) int zoom_inset_; 4522a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 4530529e5d033099cbfc42635f6f6183833b09dff6eBen Murdoch // Shape of the window. 4540529e5d033099cbfc42635f6f6183833b09dff6eBen Murdoch scoped_ptr<SkRegion> alpha_shape_; 4550529e5d033099cbfc42635f6f6183833b09dff6eBen Murdoch 4565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::string name_; 4575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) LayerDelegate* delegate_; 4595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 460a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) LayerOwner* owner_; 461a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) 4625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) scoped_refptr<LayerAnimator> animator_; 4635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4642a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Animations that are passed to AddThreadedAnimation before this layer is 4652a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // added to a tree. 4662a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) cc::ScopedPtrVector<cc::Animation> pending_threaded_animations_; 4672a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 4685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Ownership of the layer is held through one of the strongly typed layer 4695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // pointers, depending on which sort of layer this is. 470a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) scoped_refptr<cc::Layer> content_layer_; 4712a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) scoped_refptr<cc::TextureLayer> texture_layer_; 4722a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) scoped_refptr<cc::SolidColorLayer> solid_color_layer_; 4732a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) scoped_refptr<cc::DelegatedRendererLayer> delegated_renderer_layer_; 4742a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) cc::Layer* cc_layer_; 4755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // If true, the layer scales the canvas and the texture with the device scale 477d0247b1b59f9c528cb6df88b4f2b9afaf80d181eTorne (Richard Coles) // factor as apporpriate. When true, the texture size is in DIP. 4785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool scale_content_; 4795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // A cached copy of |Compositor::device_scale_factor()|. 4815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) float device_scale_factor_; 4825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 483c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch // The mailbox used by texture_layer_. 484868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) cc::TextureMailbox mailbox_; 485868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) 486c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch // The callback to release the mailbox. This is only set after 487c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch // SetTextureMailbox is called, before we give it to the TextureLayer. 488c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch scoped_ptr<cc::SingleReleaseCallback> mailbox_release_callback_; 489868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) 490c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch // The size of the frame or texture in DIP, set when SetShowDelegatedContent 491c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch // or SetTextureMailbox was called. 492c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch gfx::Size frame_size_in_dip_; 4932a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 4945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DISALLOW_COPY_AND_ASSIGN(Layer); 4955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 4965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace ui 4985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif // UI_COMPOSITOR_LAYER_H_ 500