| OLD | NEW |
|---|
| (Empty) |
| 1 // Copyright 2014 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 #include "cc/trees/layer_tree_host.h" | |
| 6 | |
| 7 #include "base/memory/scoped_ptr.h" | |
| 8 #include "cc/layers/layer.h" | |
| 9 #include "cc/test/geometry_test_utils.h" | |
| 10 #include "cc/test/layer_tree_test.h" | |
| 11 #include "testing/gmock/include/gmock/gmock.h" | |
| 12 #include "testing/gtest/include/gtest/gtest.h" | |
| 13 | |
| 14 using gfx::Vector2d; | |
| 15 | |
| 16 namespace cc { | |
| 17 namespace { | |
| 18 | |
| 19 class LayerTreeHostPinchZoomTest : public LayerTreeTest {}; | |
| 20 | |
| 21 // Ensure that the DistributeScrollOffsetToViewports() method of LayerTreeHost | |
| 22 // does not set values outside the scroll offset max. | |
| 23 class LayerTreeHostPinchZoomTestDistributeScrollOffsetToViewports | |
| 24 : public LayerTreeHostPinchZoomTest { | |
| 25 public: | |
| 26 // Sets up a 2X scale resulting in the following viewport configuration: | |
| 27 // +------------------------------------------------+ | |
| 28 // | | | | | |
| 29 // | | | | | |
| 30 // | | | | | |
| 31 // | InnerClip |5px | | | |
| 32 // | | | | | |
| 33 // | | |10px | | |
| 34 // |--------------+ | | | |
| 35 // | 5px | | | |
| 36 // | | | 20px | |
| 37 // | Inner Scroll/Outer Clip | | | |
| 38 // | | | | |
| 39 // |-----------------------------+ | | |
| 40 // | 10px | | |
| 41 // | | | |
| 42 // | | | |
| 43 // | Outer Scroll Layer | | |
| 44 // | | | |
| 45 // | | | |
| 46 // +------------------------------------------------+ | |
| 47 // 20px | |
| 48 // | |
| 49 virtual void SetupTree() OVERRIDE { | |
| 50 scoped_refptr<Layer> inner_viewport_clip_layer = Layer::Create(); | |
| 51 scoped_refptr<Layer> page_scale_layer = Layer::Create(); | |
| 52 scoped_refptr<Layer> inner_viewport_scroll_layer = Layer::Create(); | |
| 53 scoped_refptr<Layer> outer_viewport_clip_layer = Layer::Create(); | |
| 54 scoped_refptr<Layer> outer_viewport_scroll_layer = Layer::Create(); | |
| 55 | |
| 56 inner_viewport_scroll_layer->SetScrollClipLayerId( | |
| 57 inner_viewport_clip_layer->id()); | |
| 58 inner_viewport_scroll_layer->SetUserScrollable(true, true); | |
| 59 | |
| 60 inner_viewport_clip_layer->AddChild(page_scale_layer); | |
| 61 page_scale_layer->AddChild(inner_viewport_scroll_layer); | |
| 62 | |
| 63 inner_viewport_scroll_layer->AddChild(outer_viewport_clip_layer); | |
| 64 outer_viewport_clip_layer->AddChild(outer_viewport_scroll_layer); | |
| 65 | |
| 66 outer_viewport_scroll_layer->SetScrollClipLayerId( | |
| 67 outer_viewport_clip_layer->id()); | |
| 68 outer_viewport_scroll_layer->SetUserScrollable(true, true); | |
| 69 | |
| 70 layer_tree_host()->RegisterViewportLayers(page_scale_layer, | |
| 71 inner_viewport_scroll_layer, | |
| 72 outer_viewport_scroll_layer); | |
| 73 | |
| 74 inner_viewport_clip_layer->SetBounds(gfx::Size(10, 10)); | |
| 75 outer_viewport_clip_layer->SetAnchorPoint(gfx::PointF()); | |
| 76 outer_viewport_clip_layer->SetBounds(gfx::Size(10, 10)); | |
| 77 | |
| 78 layer_tree_host()->SetRootLayer(inner_viewport_clip_layer); | |
| 79 | |
| 80 inner_viewport_scroll_layer->SetBounds(gfx::Size(10, 10)); | |
| 81 outer_viewport_scroll_layer->SetBounds(gfx::Size(20, 20)); | |
| 82 layer_tree_host()->SetPageScaleFactorAndLimits(2.0f, 1.0f, 5.0f); | |
| 83 | |
| 84 // Sanity check | |
| 85 EXPECT_VECTOR_EQ(Vector2d(5, 5), | |
| 86 inner_viewport_scroll_layer->MaxScrollOffset()); | |
| 87 EXPECT_VECTOR_EQ(Vector2d(10, 10), | |
| 88 outer_viewport_scroll_layer->MaxScrollOffset()); | |
| 89 EXPECT_VECTOR_EQ(Vector2d(0, 0), | |
| 90 inner_viewport_scroll_layer->scroll_offset()); | |
| 91 EXPECT_VECTOR_EQ(Vector2d(0, 0), | |
| 92 outer_viewport_scroll_layer->scroll_offset()); | |
| 93 } | |
| 94 | |
| 95 virtual void BeginTest() OVERRIDE { | |
| 96 Layer *inner = layer_tree_host()->inner_viewport_scroll_layer(); | |
| 97 Layer *outer = layer_tree_host()->outer_viewport_scroll_layer(); | |
| 98 | |
| 99 // Try to scroll beyond offset minium | |
| 100 gfx::Vector2d offset(-20, -20); | |
| 101 outer->SetScrollOffset(offset); | |
| 102 EXPECT_VECTOR_EQ(Vector2d(0, 0), inner->scroll_offset()); | |
| 103 EXPECT_VECTOR_EQ(Vector2d(0, 0), outer->scroll_offset()); | |
| 104 | |
| 105 // Try to scroll beyond offset maximum | |
| 106 offset = gfx::Vector2d(20, 20); | |
| 107 outer->SetScrollOffset(offset); | |
| 108 EXPECT_VECTOR_EQ(Vector2d(5, 5), inner->scroll_offset()); | |
| 109 EXPECT_VECTOR_EQ(Vector2d(10, 10), outer->scroll_offset()); | |
| 110 | |
| 111 EndTest(); | |
| 112 } | |
| 113 | |
| 114 virtual void AfterTest() OVERRIDE {} | |
| 115 }; | |
| 116 | |
| 117 TEST_F(LayerTreeHostPinchZoomTestDistributeScrollOffsetToViewports, Test) { | |
| 118 RunTest(true, false, false); | |
| 119 } | |
| 120 | |
| 121 } // namespace | |
| 122 } // namespace cc | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 212603017:
Remove scroll distribution code from Layer/LayerTreeHost. (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src