layer.h revision 7dbb3d5cf0c15f500944d211057644d6a2f37371
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" 145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/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" 192a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "cc/layers/texture_layer_client.h" 20868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles)#include "cc/resources/texture_mailbox.h" 215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "third_party/skia/include/core/SkColor.h" 225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "third_party/skia/include/core/SkRegion.h" 235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ui/compositor/compositor.h" 245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ui/compositor/layer_animation_delegate.h" 255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ui/compositor/layer_delegate.h" 265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ui/compositor/layer_type.h" 275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ui/gfx/rect.h" 285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ui/gfx/transform.h" 295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class SkCanvas; 315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 322a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)namespace cc { 332a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)class ContentLayer; 347dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdochclass CopyOutputRequest; 352a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)class DelegatedFrameData; 362a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)class DelegatedRendererLayer; 372a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)class Layer; 382a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)class ResourceUpdateQueue; 392a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)class SolidColorLayer; 402a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)class TextureLayer; 412a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)struct TransferableResource; 422a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)typedef std::vector<TransferableResource> TransferableResourceArray; 432a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 442a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace ui { 465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class Compositor; 485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class LayerAnimator; 495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class Texture; 505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Layer manages a texture, transform and a set of child Layers. Any View that 525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// has enabled layers ends up creating a Layer to manage the texture. 535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// A Layer can also be created without a texture, in which case it renders 545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// nothing and is simply used as a node in a hierarchy of layers. 555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Coordinate system used in layers is DIP (Density Independent Pixel) 565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// coordinates unless explicitly mentioned as pixel coordinates. 575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// 585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// NOTE: unlike Views, each Layer does *not* own its children views. If you 595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// delete a Layer and it has children, the parent of each child layer is set to 605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// NULL, but the children are not deleted. 615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class COMPOSITOR_EXPORT Layer 625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) : public LayerAnimationDelegate, 632a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) NON_EXPORTED_BASE(public cc::ContentLayerClient), 642a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) NON_EXPORTED_BASE(public cc::TextureLayerClient), 652a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) NON_EXPORTED_BASE(public cc::LayerAnimationEventObserver) { 665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) public: 675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Layer(); 685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) explicit Layer(LayerType type); 695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual ~Layer(); 705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Retrieves the Layer's compositor. The Layer will walk up its parent chain 725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // to locate it. Returns NULL if the Layer is not attached to a compositor. 735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Compositor* GetCompositor(); 745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Called by the compositor when the Layer is set as its root Layer. This can 765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // only ever be called on the root layer. 775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void SetCompositor(Compositor* compositor); 785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) LayerDelegate* delegate() { return delegate_; } 805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void set_delegate(LayerDelegate* delegate) { delegate_ = delegate; } 815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Adds a new Layer to this Layer. 835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void Add(Layer* child); 845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Removes a Layer from this Layer. 865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void Remove(Layer* child); 875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Stacks |child| above all other children. 895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void StackAtTop(Layer* child); 905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Stacks |child| directly above |other|. Both must be children of this 925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // layer. Note that if |child| is initially stacked even higher, calling this 935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // method will result in |child| being lowered in the stacking order. 945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void StackAbove(Layer* child, Layer* other); 955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Stacks |child| below all other children. 975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void StackAtBottom(Layer* child); 985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Stacks |child| directly below |other|. Both must be children of this 1005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // layer. 1015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void StackBelow(Layer* child, Layer* other); 1025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Returns the child Layers. 1045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const std::vector<Layer*>& children() const { return children_; } 1055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // The parent. 1075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const Layer* parent() const { return parent_; } 1085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Layer* parent() { return parent_; } 1095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) LayerType type() const { return type_; } 1115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Returns true if this Layer contains |other| somewhere in its children. 1135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool Contains(const Layer* other) const; 1145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // The layer's animator is responsible for causing automatic animations when 1165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // properties are set. It also manages a queue of pending animations and 1175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // handles blending of animations. The layer takes ownership of the animator. 1185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void SetAnimator(LayerAnimator* animator); 1195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Returns the layer's animator. Creates a default animator of one has not 1215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // been set. Will not return NULL. 1225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) LayerAnimator* GetAnimator(); 1235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // The transform, relative to the parent. 1255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void SetTransform(const gfx::Transform& transform); 1262a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) gfx::Transform transform() const; 1275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Return the target transform if animator is running, or the current 1295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // transform otherwise. 1305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) gfx::Transform GetTargetTransform() const; 1315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // The bounds, relative to the parent. 1335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void SetBounds(const gfx::Rect& bounds); 1345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const gfx::Rect& bounds() const { return bounds_; } 1355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Return the target bounds if animator is running, or the current bounds 1375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // otherwise. 1385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) gfx::Rect GetTargetBounds() const; 1395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Sets/gets whether or not drawing of child layers should be clipped to the 1415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // bounds of this layer. 1425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void SetMasksToBounds(bool masks_to_bounds); 1435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool GetMasksToBounds() const; 1445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // The opacity of the layer. The opacity is applied to each pixel of the 1465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // texture (resulting alpha = opacity * alpha). 1472a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) float opacity() const; 1485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void SetOpacity(float opacity); 1495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Returns the actual opacity, which the opacity of this layer multipled by 1515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // the combined opacity of the parent. 1525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) float GetCombinedOpacity() const; 1535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Blur pixels by this amount in anything below the layer and visible through 1555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // the layer. 1565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int background_blur() const { return background_blur_radius_; } 1575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void SetBackgroundBlur(int blur_radius); 1585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Saturate all pixels of this layer by this amount. 1605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // This effect will get "combined" with the inverted, 1615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // brightness and grayscale setting. 1625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) float layer_saturation() const { return layer_saturation_; } 1635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void SetLayerSaturation(float saturation); 1645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Change the brightness of all pixels from this layer by this amount. 1665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // This effect will get "combined" with the inverted, saturate 1675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // and grayscale setting. 1685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) float layer_brightness() const { return layer_brightness_; } 1695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void SetLayerBrightness(float brightness); 1705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Return the target brightness if animator is running, or the current 1725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // brightness otherwise. 1735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) float GetTargetBrightness() const; 1745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Change the grayscale of all pixels from this layer by this amount. 1765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // This effect will get "combined" with the inverted, saturate 1775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // and brightness setting. 1785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) float layer_grayscale() const { return layer_grayscale_; } 1795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void SetLayerGrayscale(float grayscale); 1805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Return the target grayscale if animator is running, or the current 1825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // grayscale otherwise. 1835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) float GetTargetGrayscale() const; 1845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1852a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Zoom the background by a factor of |zoom|. The effect is blended along the 1862a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // edge across |inset| pixels. 1872a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) void SetBackgroundZoom(float zoom, int inset); 1882a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 1895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Invert the layer. 1905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool layer_inverted() const { return layer_inverted_; } 1915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void SetLayerInverted(bool inverted); 1925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Return the target opacity if animator is running, or the current opacity 1945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // otherwise. 1955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) float GetTargetOpacity() const; 1965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Set a layer mask for a layer. 1985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Note the provided layer mask can neither have a layer mask itself nor can 1995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // it have any children. The ownership of |layer_mask| will not be 2005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // transferred with this call. 2015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Furthermore: A mask layer can only be set to one layer. 2025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void SetMaskLayer(Layer* layer_mask); 2035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Layer* layer_mask_layer() { return layer_mask_; } 2045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Sets the visibility of the Layer. A Layer may be visible but not 2065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // drawn. This happens if any ancestor of a Layer is not visible. 2075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void SetVisible(bool visible); 2085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool visible() const { return visible_; } 2095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Returns the target visibility if the animator is running. Otherwise, it 2115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // returns the current visibility. 2125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool GetTargetVisibility() const; 2135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Returns true if this Layer is drawn. A Layer is drawn only if all ancestors 2155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // are visible. 2165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool IsDrawn() const; 2175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Returns true if this layer can have a texture (has_texture_ is true) 2195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // and is not completely obscured by a child. 2205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool ShouldDraw() const; 2215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Converts a point from the coordinates of |source| to the coordinates of 2235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // |target|. Necessarily, |source| and |target| must inhabit the same Layer 2245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // tree. 2255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) static void ConvertPointToLayer(const Layer* source, 2265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const Layer* target, 2275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) gfx::Point* point); 2285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2292a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Converts a transform to be relative to the given |ancestor|. Returns 2302a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // whether success (that is, whether the given ancestor was really an 2312a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // ancestor of this layer). 2322a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) bool GetTargetTransformRelativeTo(const Layer* ancestor, 2332a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) gfx::Transform* transform) const; 2342a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 2352a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Converts a ui::Layer's transform to the transform on the corresponding 2362a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // cc::Layer. 2372a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) static gfx::Transform ConvertTransformToCCTransform( 2382a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) const gfx::Transform& transform, 2392a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) float device_scale_factor); 2402a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 2415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // See description in View for details 2425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void SetFillsBoundsOpaquely(bool fills_bounds_opaquely); 2435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool fills_bounds_opaquely() const { return fills_bounds_opaquely_; } 2445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const std::string& name() const { return name_; } 2465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void set_name(const std::string& name) { name_ = name; } 2475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const ui::Texture* texture() const { return texture_.get(); } 2495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Assigns a new external texture. |texture| can be NULL to disable external 2515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // updates. 2525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void SetExternalTexture(ui::Texture* texture); 2535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ui::Texture* external_texture() { return texture_.get(); } 2545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 255868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) // Set new TextureMailbox for this layer. Note that |mailbox| may hold a 256868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) // shared memory resource or an actual mailbox for a texture. 257868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) void SetTextureMailbox(const cc::TextureMailbox& mailbox, float scale_factor); 258868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) cc::TextureMailbox GetTextureMailbox(float* scale_factor); 259868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) 2602a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Sets a delegated frame, coming from a child compositor. 2612a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) void SetDelegatedFrame(scoped_ptr<cc::DelegatedFrameData> frame, 2622a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) gfx::Size frame_size_in_dip); 2632a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 2647dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch bool has_external_content() { 2657dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch return texture_layer_.get() || delegated_renderer_layer_.get(); 2667dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch } 2677dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch 2682a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Gets unused resources to recycle to the child compositor. 2692a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) void TakeUnusedResourcesForChildCompositor( 2702a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) cc::TransferableResourceArray* array); 2712a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 2725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Sets the layer's fill color. May only be called for LAYER_SOLID_COLOR. 2735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void SetColor(SkColor color); 2745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Adds |invalid_rect| to the Layer's pending invalid rect and calls 2765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // ScheduleDraw(). Returns false if the paint request is ignored. 2775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool SchedulePaint(const gfx::Rect& invalid_rect); 2785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Schedules a redraw of the layer tree at the compositor. 2805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Note that this _does not_ invalidate any region of this layer; use 2815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // SchedulePaint() for that. 2825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void ScheduleDraw(); 2835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Sends damaged rectangles recorded in |damaged_region_| to 2855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // |compostior_| to repaint the content. 2865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void SendDamagedRects(); 2875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Suppresses painting the content by disgarding damaged region and ignoring 2895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // new paint requests. 2905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void SuppressPaint(); 2915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Notifies the layer that the device scale factor has changed. 2935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void OnDeviceScaleFactorChanged(float device_scale_factor); 2945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Sets whether the layer should scale its content. If true, the canvas will 2965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // be scaled in software rendering mode before it is passed to 2975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // |LayerDelegate::OnPaint|. 2985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Set to false if the delegate handles scaling. 2995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // NOTE: if this is called during |LayerDelegate::OnPaint|, the new value will 3005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // not apply to the canvas passed to the pending draw. 3015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void set_scale_content(bool scale_content) { scale_content_ = scale_content; } 3025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Returns true if the layer scales its content. 3045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool scale_content() const { return scale_content_; } 3055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Sometimes the Layer is being updated by something other than SetCanvas 3075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // (e.g. the GPU process on UI_COMPOSITOR_IMAGE_TRANSPORT). 3085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool layer_updated_externally() const { return layer_updated_externally_; } 3095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3107dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch // Requets a copy of the layer's output as a texture or bitmap. 3117dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch void RequestCopyOfOutput(scoped_ptr<cc::CopyOutputRequest> request); 3127dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch 3132a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // ContentLayerClient 3142a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) virtual void PaintContents( 3152a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) SkCanvas* canvas, gfx::Rect clip, gfx::RectF* opaque) OVERRIDE; 3162a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) virtual void DidChangeLayerCanUseLCDText() OVERRIDE {} 3175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3182a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) cc::Layer* cc_layer() { return cc_layer_; } 3195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3202a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // TextureLayerClient 3217dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch virtual unsigned PrepareTexture() OVERRIDE; 3222a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) virtual WebKit::WebGraphicsContext3D* Context3d() OVERRIDE; 3237dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch virtual bool PrepareTextureMailbox(cc::TextureMailbox* mailbox, 3247dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch bool use_shared_memory) OVERRIDE; 3255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) float device_scale_factor() const { return device_scale_factor_; } 3275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Forces a render surface to be used on this layer. This has no positive 3295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // impact, and is only used for benchmarking/testing purpose. 3305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void SetForceRenderSurface(bool force); 3315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool force_render_surface() const { return force_render_surface_; } 3325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3332a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // LayerAnimationEventObserver 3342a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) virtual void OnAnimationStarted(const cc::AnimationEvent& event) OVERRIDE; 3352a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 3362a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Whether this layer has animations waiting to get sent to its cc::Layer. 3372a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) bool HasPendingThreadedAnimations() { 3382a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return pending_threaded_animations_.size() != 0; 3392a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 3402a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 3412a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Triggers a call to SwitchToLayer. 3422a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) void SwitchCCLayerForTest(); 3432a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 3445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) private: 3455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Stacks |child| above or below |other|. Helper method for StackAbove() and 3465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // StackBelow(). 3475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void StackRelativeTo(Layer* child, Layer* other, bool above); 3485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool ConvertPointForAncestor(const Layer* ancestor, gfx::Point* point) const; 3505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool ConvertPointFromAncestor(const Layer* ancestor, gfx::Point* point) const; 3515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Following are invoked from the animation or if no animation exists to 3535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // update the values immediately. 3545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void SetBoundsImmediately(const gfx::Rect& bounds); 3555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void SetTransformImmediately(const gfx::Transform& transform); 3565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void SetOpacityImmediately(float opacity); 3575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void SetVisibilityImmediately(bool visibility); 3585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void SetBrightnessImmediately(float brightness); 3595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void SetGrayscaleImmediately(float grayscale); 3605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void SetColorImmediately(SkColor color); 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) 3845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void CreateWebLayer(); 3852a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) void RecomputeCCTransformFromTransform(const gfx::Transform& transform); 3865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void RecomputeDrawsContentAndUVRect(); 387c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) void RecomputePosition(); 3885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Set all filters which got applied to the layer. 3905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void SetLayerFilters(); 3915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3922a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Set all filters which got applied to the layer background. 3932a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) void SetLayerBackgroundFilters(); 3942a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 3952a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) void UpdateIsDrawn(); 3962a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 3972a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) void SwitchToLayer(scoped_refptr<cc::Layer> new_layer); 3982a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 3992a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // We cannot send animations to our cc_layer_ until we have been added to a 4002a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // layer tree. Instead, we hold on to these animations in 4012a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // pending_threaded_animations_, and expect SendPendingThreadedAnimations to 4022a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // be called once we have been added to a tree. 4032a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) void SendPendingThreadedAnimations(); 4042a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 4055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const LayerType type_; 4065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Compositor* compositor_; 4085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) scoped_refptr<ui::Texture> texture_; 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_; 4245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // If true the layer is always up to date. 4265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool layer_updated_externally_; 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) 4415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // The associated mask layer with this layer. 4425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Layer* layer_mask_; 4435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // The back link from the mask layer to it's associated masked layer. 4445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // We keep this reference for the case that if the mask layer gets deleted 4455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // while attached to the main layer before the main layer is deleted. 4465821806d5e7f356e8fa4b058a389a808ea183019Torne (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) 4595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) scoped_refptr<LayerAnimator> animator_; 4605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4612a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Animations that are passed to AddThreadedAnimation before this layer is 4622a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // added to a tree. 4632a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) cc::ScopedPtrVector<cc::Animation> pending_threaded_animations_; 4642a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 4655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Ownership of the layer is held through one of the strongly typed layer 4665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // pointers, depending on which sort of layer this is. 4672a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) scoped_refptr<cc::ContentLayer> content_layer_; 4682a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) scoped_refptr<cc::TextureLayer> texture_layer_; 4692a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) scoped_refptr<cc::SolidColorLayer> solid_color_layer_; 4702a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) scoped_refptr<cc::DelegatedRendererLayer> delegated_renderer_layer_; 4712a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) cc::Layer* cc_layer_; 4725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // If true, the layer scales the canvas and the texture with the device scale 4745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // factor as appropriate. When true, the texture size is in DIP. 4755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool scale_content_; 4765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // A cached copy of |Compositor::device_scale_factor()|. 4785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) float device_scale_factor_; 4795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 480868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) // A cached copy of the TextureMailbox given texture_layer_. 481868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) cc::TextureMailbox mailbox_; 482868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) 483868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) // Device scale factor in which mailbox_ was rendered in. 484868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) float mailbox_scale_factor_; 485868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) 4862a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // The size of the delegated frame in DIP, set when SetDelegatedFrame was 4872a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // called. 4882a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) gfx::Size delegated_frame_size_in_dip_; 4892a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 4905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DISALLOW_COPY_AND_ASSIGN(Layer); 4915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 4925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace ui 4945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif // UI_COMPOSITOR_LAYER_H_ 496