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Unified Diff: cc/trees/layer_tree_host_common.h

Issue 1057283003: Remove parts of //cc we aren't using (Closed) Base URL: git@github.com:domokit/mojo.git@master
Patch Set: Created 5 years, 9 months ago
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Index: cc/trees/layer_tree_host_common.h
diff --git a/cc/trees/layer_tree_host_common.h b/cc/trees/layer_tree_host_common.h
deleted file mode 100644
index 404f407f008f9fdcc00bde62d643d40ca09b8beb..0000000000000000000000000000000000000000
--- a/cc/trees/layer_tree_host_common.h
+++ /dev/null
@@ -1,289 +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 <limits>
-#include <vector>
-
-#include "base/bind.h"
-#include "base/memory/ref_counted.h"
-#include "cc/base/cc_export.h"
-#include "cc/base/scoped_ptr_vector.h"
-#include "cc/layers/layer_lists.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 CC_EXPORT LayerTreeHostCommon {
- public:
- static gfx::Rect CalculateVisibleRect(const gfx::Rect& target_surface_rect,
- const gfx::Rect& layer_bound_rect,
- const gfx::Transform& transform);
-
- template <typename LayerType, typename RenderSurfaceLayerListType>
- struct CalcDrawPropsInputs {
- public:
- CalcDrawPropsInputs(LayerType* root_layer,
- const gfx::Size& device_viewport_size,
- const gfx::Transform& device_transform,
- float device_scale_factor,
- float page_scale_factor,
- const LayerType* page_scale_application_layer,
- const gfx::Vector2dF& elastic_overscroll,
- const LayerType* elastic_overscroll_application_layer,
- int max_texture_size,
- bool can_use_lcd_text,
- bool layers_always_allowed_lcd_text,
- bool can_render_to_separate_surface,
- bool can_adjust_raster_scales,
- bool verify_property_trees,
- RenderSurfaceLayerListType* render_surface_layer_list,
- int current_render_surface_layer_list_id)
- : root_layer(root_layer),
- device_viewport_size(device_viewport_size),
- device_transform(device_transform),
- device_scale_factor(device_scale_factor),
- page_scale_factor(page_scale_factor),
- page_scale_application_layer(page_scale_application_layer),
- elastic_overscroll(elastic_overscroll),
- elastic_overscroll_application_layer(
- elastic_overscroll_application_layer),
- max_texture_size(max_texture_size),
- can_use_lcd_text(can_use_lcd_text),
- layers_always_allowed_lcd_text(layers_always_allowed_lcd_text),
- can_render_to_separate_surface(can_render_to_separate_surface),
- can_adjust_raster_scales(can_adjust_raster_scales),
- verify_property_trees(verify_property_trees),
- render_surface_layer_list(render_surface_layer_list),
- current_render_surface_layer_list_id(
- current_render_surface_layer_list_id) {}
-
- LayerType* root_layer;
- gfx::Size device_viewport_size;
- const gfx::Transform& device_transform;
- float device_scale_factor;
- float page_scale_factor;
- const LayerType* page_scale_application_layer;
- gfx::Vector2dF elastic_overscroll;
- const LayerType* elastic_overscroll_application_layer;
- int max_texture_size;
- bool can_use_lcd_text;
- bool layers_always_allowed_lcd_text;
- bool can_render_to_separate_surface;
- bool can_adjust_raster_scales;
- bool verify_property_trees;
- RenderSurfaceLayerListType* render_surface_layer_list;
- int current_render_surface_layer_list_id;
- };
-
- template <typename LayerType, typename RenderSurfaceLayerListType>
- struct CalcDrawPropsInputsForTesting
- : public CalcDrawPropsInputs<LayerType, RenderSurfaceLayerListType> {
- CalcDrawPropsInputsForTesting(
- LayerType* root_layer,
- const gfx::Size& device_viewport_size,
- const gfx::Transform& device_transform,
- RenderSurfaceLayerListType* render_surface_layer_list);
- CalcDrawPropsInputsForTesting(
- LayerType* root_layer,
- const gfx::Size& device_viewport_size,
- RenderSurfaceLayerListType* render_surface_layer_list);
-
- private:
- const gfx::Transform identity_transform_;
- };
-
- typedef CalcDrawPropsInputs<Layer, RenderSurfaceLayerList>
- CalcDrawPropsMainInputs;
- typedef CalcDrawPropsInputsForTesting<Layer, RenderSurfaceLayerList>
- CalcDrawPropsMainInputsForTesting;
- static void UpdateRenderSurfaces(Layer* root_layer,
- bool can_render_to_separate_surface,
- const gfx::Transform& transform,
- bool preserves_2d_axis_alignment);
- static void UpdateRenderSurface(Layer* layer,
- bool can_render_to_separate_surface,
- gfx::Transform* transform,
- bool* animation_preserves_axis_alignment);
- static void CalculateDrawProperties(CalcDrawPropsMainInputs* inputs);
-
- typedef CalcDrawPropsInputs<LayerImpl, LayerImplList> CalcDrawPropsImplInputs;
- typedef CalcDrawPropsInputsForTesting<LayerImpl, LayerImplList>
- CalcDrawPropsImplInputsForTesting;
- static void CalculateDrawProperties(CalcDrawPropsImplInputs* inputs);
-
- template <typename LayerType>
- static bool RenderSurfaceContributesToTarget(LayerType*,
- int target_surface_layer_id);
-
- template <typename LayerType, typename Function>
- static void CallFunctionForSubtree(LayerType* layer,
- const Function& function);
-
- // Returns a layer with the given id if one exists in the subtree starting
- // from the given root layer (including mask and replica layers).
- template <typename LayerType>
- static LayerType* FindLayerInSubtree(LayerType* root_layer, int layer_id);
-
- static Layer* get_layer_as_raw_ptr(const LayerList& layers, size_t index) {
- return layers[index].get();
- }
-
- static LayerImpl* get_layer_as_raw_ptr(const OwnedLayerImplList& layers,
- size_t index) {
- return layers[index];
- }
-
- static LayerImpl* get_layer_as_raw_ptr(const LayerImplList& layers,
- size_t index) {
- return layers[index];
- }
-
- struct ScrollUpdateInfo {
- int layer_id;
- // TODO(miletus): Use ScrollOffset once LayerTreeHost/Blink fully supports
- // franctional scroll offset.
- gfx::Vector2d scroll_delta;
- };
-};
-
-struct CC_EXPORT ScrollAndScaleSet {
- ScrollAndScaleSet();
- ~ScrollAndScaleSet();
-
- std::vector<LayerTreeHostCommon::ScrollUpdateInfo> scrolls;
- float page_scale_delta;
- gfx::Vector2dF elastic_overscroll_delta;
- float top_controls_delta;
- ScopedPtrVector<SwapPromise> swap_promises;
-};
-
-template <typename LayerType>
-bool LayerTreeHostCommon::RenderSurfaceContributesToTarget(
- LayerType* layer,
- int target_surface_layer_id) {
- // A layer will either contribute its own content, or its render surface's
- // content, to the target surface. The layer contributes its surface's content
- // when both the following are true:
- // (1) The layer actually has a render surface and rendering into that
- // surface, and
- // (2) The layer's render surface is not the same as the target surface.
- //
- // Otherwise, the layer just contributes itself to the target surface.
-
- return layer->render_target() == layer &&
- layer->id() != target_surface_layer_id;
-}
-
-template <typename LayerType>
-LayerType* LayerTreeHostCommon::FindLayerInSubtree(LayerType* root_layer,
- int layer_id) {
- if (!root_layer)
- return NULL;
-
- if (root_layer->id() == layer_id)
- return root_layer;
-
- if (root_layer->mask_layer() && root_layer->mask_layer()->id() == layer_id)
- return root_layer->mask_layer();
-
- if (root_layer->replica_layer() &&
- root_layer->replica_layer()->id() == layer_id)
- return root_layer->replica_layer();
-
- for (size_t i = 0; i < root_layer->children().size(); ++i) {
- if (LayerType* found = FindLayerInSubtree(
- get_layer_as_raw_ptr(root_layer->children(), i), layer_id))
- return found;
- }
- return NULL;
-}
-
-template <typename LayerType, typename Function>
-void LayerTreeHostCommon::CallFunctionForSubtree(LayerType* layer,
- const Function& function) {
- function(layer);
-
- if (LayerType* mask_layer = layer->mask_layer())
- function(mask_layer);
- if (LayerType* replica_layer = layer->replica_layer()) {
- function(replica_layer);
- if (LayerType* mask_layer = replica_layer->mask_layer())
- function(mask_layer);
- }
-
- for (size_t i = 0; i < layer->children().size(); ++i) {
- CallFunctionForSubtree(get_layer_as_raw_ptr(layer->children(), i),
- function);
- }
-}
-
-template <typename LayerType, typename RenderSurfaceLayerListType>
-LayerTreeHostCommon::CalcDrawPropsInputsForTesting<LayerType,
- RenderSurfaceLayerListType>::
- CalcDrawPropsInputsForTesting(
- LayerType* root_layer,
- const gfx::Size& device_viewport_size,
- const gfx::Transform& device_transform,
- RenderSurfaceLayerListType* render_surface_layer_list)
- : CalcDrawPropsInputs<LayerType, RenderSurfaceLayerListType>(
- root_layer,
- device_viewport_size,
- device_transform,
- 1.f,
- 1.f,
- NULL,
- gfx::Vector2dF(),
- NULL,
- std::numeric_limits<int>::max() / 2,
- false,
- false,
- true,
- false,
- true,
- render_surface_layer_list,
- 0) {
- DCHECK(root_layer);
- DCHECK(render_surface_layer_list);
-}
-
-template <typename LayerType, typename RenderSurfaceLayerListType>
-LayerTreeHostCommon::CalcDrawPropsInputsForTesting<LayerType,
- RenderSurfaceLayerListType>::
- CalcDrawPropsInputsForTesting(
- LayerType* root_layer,
- const gfx::Size& device_viewport_size,
- RenderSurfaceLayerListType* render_surface_layer_list)
- : CalcDrawPropsInputs<LayerType, RenderSurfaceLayerListType>(
- root_layer,
- device_viewport_size,
- identity_transform_,
- 1.f,
- 1.f,
- NULL,
- gfx::Vector2dF(),
- NULL,
- std::numeric_limits<int>::max() / 2,
- false,
- false,
- true,
- false,
- true,
- render_surface_layer_list,
- 0) {
- DCHECK(root_layer);
- DCHECK(render_surface_layer_list);
-}
-
-} // namespace cc
-
-#endif // CC_TREES_LAYER_TREE_HOST_COMMON_H_
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