cc/test/tiled_layer_test_common.h

   1 // Copyright 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef CC_TEST_TILED_LAYER_TEST_COMMON_H_
   6 #define CC_TEST_TILED_LAYER_TEST_COMMON_H_
   7
   8 #include "cc/base/region.h"
   9 #include "cc/layers/tiled_layer.h"
  10 #include "cc/layers/tiled_layer_impl.h"
  11 #include "cc/resources/layer_updater.h"
  12 #include "cc/resources/prioritized_resource.h"
  13 #include "cc/resources/resource_provider.h"
  14 #include "cc/resources/resource_update_queue.h"
  15 #include "ui/gfx/geometry/rect.h"
  16 #include "ui/gfx/geometry/size.h"
  17
  18 namespace cc {
  19
  20 class FakeTiledLayer;
  21
  22 class FakeLayerUpdater : public LayerUpdater {
  23  public:
  24   class Resource : public LayerUpdater::Resource {
  25    public:
  26     Resource(FakeLayerUpdater* updater,
  27              scoped_ptr<PrioritizedResource> resource);
  28     ~Resource() override;
  29
  30     void Update(ResourceUpdateQueue* queue,
  31                 const gfx::Rect& source_rect,
  32                 const gfx::Vector2d& dest_offset,
  33                 bool partial_update) override;
  34
  35    private:
  36     FakeLayerUpdater* layer_;
  37     SkBitmap bitmap_;
  38
  39     DISALLOW_COPY_AND_ASSIGN(Resource);
  40   };
  41
  42   FakeLayerUpdater();
  43
  44   scoped_ptr<LayerUpdater::Resource> CreateResource(
  45       PrioritizedResourceManager* resource) override;
  46
  47   void PrepareToUpdate(const gfx::Size& content_size,
  48                        const gfx::Rect& paint_rect,
  49                        const gfx::Size& tile_size,
  50                        float contents_width_scale,
  51                        float contents_height_scale) override;
  52   // Sets the rect to invalidate during the next call to PrepareToUpdate().
  53   // After the next call to PrepareToUpdate() the rect is reset.
  54   void SetRectToInvalidate(const gfx::Rect& rect, FakeTiledLayer* layer);
  55   // Last rect passed to PrepareToUpdate().
  56   gfx::Rect last_update_rect() const { return last_update_rect_; }
  57
  58   // Value of |contents_width_scale| last passed to PrepareToUpdate().
  59   float last_contents_width_scale() const { return last_contents_width_scale_; }
  60
  61   // Number of times PrepareToUpdate has been invoked.
  62   int prepare_count() const { return prepare_count_; }
  63   void ClearPrepareCount() { prepare_count_ = 0; }
  64
  65   // Number of times Update() has been invoked on a texture.
  66   int update_count() const { return update_count_; }
  67   void ClearUpdateCount() { update_count_ = 0; }
  68   void Update() { update_count_++; }
  69
  70  protected:
  71   ~FakeLayerUpdater() override;
  72
  73  private:
  74   int prepare_count_;
  75   int update_count_;
  76   gfx::Rect rect_to_invalidate_;
  77   gfx::Rect last_update_rect_;
  78   float last_contents_width_scale_;
  79   scoped_refptr<FakeTiledLayer> layer_;
  80
  81   DISALLOW_COPY_AND_ASSIGN(FakeLayerUpdater);
  82 };
  83
  84 class FakeTiledLayerImpl : public TiledLayerImpl {
  85  public:
  86   FakeTiledLayerImpl(LayerTreeImpl* tree_impl, int id);
  87   ~FakeTiledLayerImpl() override;
  88
  89   using TiledLayerImpl::HasTileAt;
  90   using TiledLayerImpl::HasResourceIdForTileAt;
  91 };
  92
  93 class FakeTiledLayer : public TiledLayer {
  94  public:
  95   explicit FakeTiledLayer(PrioritizedResourceManager* resource_manager);
  96
  97   static gfx::Size tile_size() { return gfx::Size(100, 100); }
  98
  99   using TiledLayer::InvalidateContentRect;
 100   using TiledLayer::NeedsIdlePaint;
 101   using TiledLayer::SkipsDraw;
 102   using TiledLayer::NumPaintedTiles;
 103   using TiledLayer::IdlePaintRect;
 104
 105   void SetNeedsDisplayRect(const gfx::Rect& rect) override;
 106   const gfx::Rect& last_needs_display_rect() const {
 107     return last_needs_display_rect_;
 108   }
 109
 110   void SetTexturePriorities(
 111       const PriorityCalculator& priority_calculator) override;
 112
 113   PrioritizedResourceManager* ResourceManager() override;
 114   FakeLayerUpdater* fake_layer_updater() { return fake_updater_.get(); }
 115   gfx::RectF update_rect() { return update_rect_; }
 116
 117   // Simulate CalcDrawProperties.
 118   void UpdateContentsScale(float ideal_contents_scale);
 119
 120   void ResetNumDependentsNeedPushProperties();
 121
 122  protected:
 123   LayerUpdater* Updater() const override;
 124   void CreateUpdaterIfNeeded() override {}
 125   ~FakeTiledLayer() override;
 126
 127  private:
 128   scoped_refptr<FakeLayerUpdater> fake_updater_;
 129   PrioritizedResourceManager* resource_manager_;
 130   gfx::Rect last_needs_display_rect_;
 131
 132   DISALLOW_COPY_AND_ASSIGN(FakeTiledLayer);
 133 };
 134
 135 class FakeTiledLayerWithScaledBounds : public FakeTiledLayer {
 136  public:
 137   explicit FakeTiledLayerWithScaledBounds(
 138       PrioritizedResourceManager* resource_manager);
 139
 140   void SetContentBounds(const gfx::Size& content_bounds);
 141   void CalculateContentsScale(float ideal_contents_scale,
 142                               float* contents_scale_x,
 143                               float* contents_scale_y,
 144                               gfx::Size* content_bounds) override;
 145
 146  protected:
 147   ~FakeTiledLayerWithScaledBounds() override;
 148   gfx::Size forced_content_bounds_;
 149
 150  private:
 151   DISALLOW_COPY_AND_ASSIGN(FakeTiledLayerWithScaledBounds);
 152 };
 153
 154 }  // namespace cc
 155
 156 #endif  // CC_TEST_TILED_LAYER_TEST_COMMON_H_