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Diffstat (limited to 'chromium/cc/trees/layer_tree_host_common.h')
| -rw-r--r-- | chromium/cc/trees/layer_tree_host_common.h | 232 |
1 files changed, 0 insertions, 232 deletions
diff --git a/chromium/cc/trees/layer_tree_host_common.h b/chromium/cc/trees/layer_tree_host_common.h deleted file mode 100644 index 6c9dfd5f065..00000000000 --- a/chromium/cc/trees/layer_tree_host_common.h +++ /dev/null @@ -1,232 +0,0 @@ -// Copyright 2011 The Chromium Authors. All rights reserved. -// Use of this source code is governed by a BSD-style license that can be -// found in the LICENSE file. - -#ifndef CC_TREES_LAYER_TREE_HOST_COMMON_H_ -#define CC_TREES_LAYER_TREE_HOST_COMMON_H_ - -#include <stddef.h> - -#include <limits> -#include <vector> - -#include "base/bind.h" -#include "base/memory/ref_counted.h" -#include "cc/cc_export.h" -#include "cc/input/browser_controls_state.h" -#include "cc/layers/layer.h" -#include "cc/layers/layer_collections.h" -#include "cc/layers/layer_impl.h" -#include "cc/layers/picture_layer.h" -#include "cc/trees/layer_tree_host.h" -#include "cc/trees/layer_tree_impl.h" -#include "cc/trees/property_tree.h" -#include "ui/gfx/geometry/rect.h" -#include "ui/gfx/geometry/vector2d.h" -#include "ui/gfx/transform.h" - -namespace cc { - -class LayerImpl; -class Layer; -class SwapPromise; -class PropertyTrees; - -class CC_EXPORT LayerTreeHostCommon { - public: - struct CC_EXPORT CalcDrawPropsMainInputsForTesting { - public: - CalcDrawPropsMainInputsForTesting(Layer* root_layer, - const gfx::Rect& device_viewport_rect, - const gfx::Transform& device_transform, - float device_scale_factor, - float page_scale_factor, - const Layer* page_scale_layer, - const Layer* inner_viewport_scroll_layer, - const Layer* outer_viewport_scroll_layer); - CalcDrawPropsMainInputsForTesting(Layer* root_layer, - const gfx::Rect& device_viewport_rect, - const gfx::Transform& device_transform); - CalcDrawPropsMainInputsForTesting(Layer* root_layer, - const gfx::Rect& device_viewport_rect); - Layer* root_layer; - gfx::Rect device_viewport_rect; - gfx::Transform device_transform; - float device_scale_factor; - float page_scale_factor; - const Layer* page_scale_layer; - const Layer* inner_viewport_scroll_layer; - const Layer* outer_viewport_scroll_layer; - // If not null, accepts layers output from FindLayersThatNeedUpdates(). - LayerList* update_layer_list = nullptr; - }; - - struct CC_EXPORT CalcDrawPropsImplInputs { - public: - CalcDrawPropsImplInputs(LayerImpl* root_layer, - const gfx::Rect& device_viewport_rect, - const gfx::Transform& device_transform, - float device_scale_factor, - float page_scale_factor, - const LayerImpl* page_scale_layer, - const LayerImpl* inner_viewport_scroll_layer, - const LayerImpl* outer_viewport_scroll_layer, - const gfx::Vector2dF& elastic_overscroll, - const ElementId elastic_overscroll_element_id, - int max_texture_size, - RenderSurfaceList* render_surface_list, - PropertyTrees* property_trees, - TransformNode* page_scale_transform_node); - - LayerImpl* root_layer; - gfx::Rect device_viewport_rect; - gfx::Transform device_transform; - float device_scale_factor; - float page_scale_factor; - const LayerImpl* page_scale_layer; - const LayerImpl* inner_viewport_scroll_layer; - const LayerImpl* outer_viewport_scroll_layer; - gfx::Vector2dF elastic_overscroll; - const ElementId elastic_overscroll_element_id; - int max_texture_size; - RenderSurfaceList* render_surface_list; - PropertyTrees* property_trees; - TransformNode* page_scale_transform_node; - }; - - struct CC_EXPORT CalcDrawPropsImplInputsForTesting - : public CalcDrawPropsImplInputs { - CalcDrawPropsImplInputsForTesting(LayerImpl* root_layer, - const gfx::Rect& device_viewport_rect, - const gfx::Transform& device_transform, - float device_scale_factor, - RenderSurfaceList* render_surface_list); - CalcDrawPropsImplInputsForTesting(LayerImpl* root_layer, - const gfx::Rect& device_viewport_rect, - const gfx::Transform& device_transform, - RenderSurfaceList* render_surface_list); - CalcDrawPropsImplInputsForTesting(LayerImpl* root_layer, - const gfx::Rect& device_viewport_rect, - RenderSurfaceList* render_surface_list); - CalcDrawPropsImplInputsForTesting(LayerImpl* root_layer, - const gfx::Rect& device_viewport_rect, - float device_scale_factor, - RenderSurfaceList* render_surface_list); - - // If not null, accepts layers output from FindLayersThatNeedUpdates(). - LayerImplList* update_layer_list = nullptr; - }; - - static int CalculateLayerJitter(LayerImpl* scrolling_layer); - static void CalculateDrawPropertiesForTesting( - CalcDrawPropsMainInputsForTesting* inputs); - - static void CalculateDrawProperties(CalcDrawPropsImplInputs* inputs); - - // TODO(wangxianzhu): Move these functions into testing classes. - static void PrepareForUpdateDrawPropertiesForTesting(LayerTreeImpl*); - static void CalculateDrawPropertiesForTesting( - CalcDrawPropsImplInputsForTesting* inputs); - - template <typename Function> - static void CallFunctionForEveryLayer(LayerTreeHost* host, - const Function& function); - - template <typename Function> - static void CallFunctionForEveryLayer(LayerTreeImpl* layer, - const Function& function); - - struct CC_EXPORT ScrollUpdateInfo { - ElementId element_id; - gfx::ScrollOffset scroll_delta; - - bool operator==(const ScrollUpdateInfo& other) const; - }; - - // Used to communicate scrollbar visibility from Impl thread to Blink. - // Scrollbar input is handled by Blink but the compositor thread animates - // opacity on scrollbars to fade them out when they're overlay. Blink needs - // to be told when they're faded out so it can stop handling input for - // invisible scrollbars. - struct CC_EXPORT ScrollbarsUpdateInfo { - ElementId element_id; - bool hidden; - - ScrollbarsUpdateInfo(); - ScrollbarsUpdateInfo(ElementId element_id, bool hidden); - - bool operator==(const ScrollbarsUpdateInfo& other) const; - }; -}; - -struct CC_EXPORT ScrollAndScaleSet { - ScrollAndScaleSet(); - ScrollAndScaleSet(const ScrollAndScaleSet&) = delete; - ~ScrollAndScaleSet(); - - ScrollAndScaleSet& operator=(const ScrollAndScaleSet&) = delete; - - // The inner viewport scroll delta is kept separate since it's special. - // Because the inner (visual) viewport's maximum offset depends on the - // current page scale, the two must be committed at the same time to prevent - // clamping. - LayerTreeHostCommon::ScrollUpdateInfo inner_viewport_scroll; - - std::vector<LayerTreeHostCommon::ScrollUpdateInfo> scrolls; - float page_scale_delta; - bool is_pinch_gesture_active; - - // Elastic overscroll effect offset delta. This is used only on Mac and shows - // the pixels that the page is rubber-banned/stretched by. - gfx::Vector2dF elastic_overscroll_delta; - - // Unconsumed scroll delta used to send overscroll events to the latched - // element on the main thread; - gfx::Vector2dF overscroll_delta; - - // The element id of the node to which scrolling is latched. This is used to - // send overscroll/scrollend DOM events to proper targets whenever needed. - ElementId scroll_latched_element_id; - - float top_controls_delta; - std::vector<LayerTreeHostCommon::ScrollbarsUpdateInfo> scrollbars; - std::vector<std::unique_ptr<SwapPromise>> swap_promises; - BrowserControlsState browser_controls_constraint; - bool browser_controls_constraint_changed; - - // Set to true when a scroll gesture being handled on the compositor has - // ended. - bool scroll_gesture_did_end; - - // Tracks different methods of scrolling (e.g. wheel, touch, precision - // touchpad, etc.). - ManipulationInfo manipulation_info; -}; - -template <typename Function> -void LayerTreeHostCommon::CallFunctionForEveryLayer(LayerTreeHost* host, - const Function& function) { - for (auto* layer : *host) { - function(layer); - if (PictureLayer* mask_layer = layer->mask_layer()) - function(mask_layer); - } -} - -template <typename Function> -void LayerTreeHostCommon::CallFunctionForEveryLayer(LayerTreeImpl* tree_impl, - const Function& function) { - for (auto* layer : *tree_impl) - function(layer); - - for (int id : tree_impl->property_trees()->effect_tree.mask_layer_ids()) { - function(tree_impl->LayerById(id)); - } -} - -CC_EXPORT PropertyTrees* GetPropertyTrees(const Layer* layer); -CC_EXPORT PropertyTrees* GetPropertyTrees(const LayerImpl* layer); - -} // namespace cc - -#endif // CC_TREES_LAYER_TREE_HOST_COMMON_H_ |