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| 1 // Copyright 2015 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/layers/painted_scrollbar_layer.h" |
| 6 |
| 7 #include "cc/layers/layer_settings.h" |
| 8 #include "cc/test/fake_layer_tree_host.h" |
| 9 #include "cc/test/fake_layer_tree_host_client.h" |
| 10 #include "cc/test/fake_scrollbar.h" |
| 11 #include "cc/test/test_task_graph_runner.h" |
| 12 #include "testing/gmock/include/gmock/gmock.h" |
| 13 |
| 14 using ::testing::Mock; |
| 15 using ::testing::_; |
| 16 |
| 17 namespace cc { |
| 18 |
| 19 namespace { |
| 20 |
| 21 class MockScrollbar : public FakeScrollbar { |
| 22 public: |
| 23 MockScrollbar() : FakeScrollbar(true, true, true) {} |
| 24 MOCK_METHOD3(PaintPart, |
| 25 void(SkCanvas* canvas, |
| 26 ScrollbarPart part, |
| 27 const gfx::Rect& content_rect)); |
| 28 }; |
| 29 |
| 30 TEST(PaintedScrollbarLayerTest, NeedsPaint) { |
| 31 FakeLayerTreeHostClient fake_client_(FakeLayerTreeHostClient::DIRECT_3D); |
| 32 TestTaskGraphRunner task_graph_runner_; |
| 33 scoped_ptr<FakeLayerTreeHost> layer_tree_host_; |
| 34 LayerSettings layer_settings_; |
| 35 |
| 36 layer_tree_host_ = |
| 37 FakeLayerTreeHost::Create(&fake_client_, &task_graph_runner_); |
| 38 RendererCapabilities renderer_capabilities; |
| 39 renderer_capabilities.max_texture_size = 2048; |
| 40 layer_tree_host_->set_renderer_capabilities(renderer_capabilities); |
| 41 |
| 42 MockScrollbar* scrollbar = new MockScrollbar(); |
| 43 scoped_refptr<PaintedScrollbarLayer> scrollbar_layer = |
| 44 PaintedScrollbarLayer::Create(layer_settings_, |
| 45 scoped_ptr<Scrollbar>(scrollbar).Pass(), 1); |
| 46 |
| 47 scrollbar_layer->SetIsDrawable(true); |
| 48 scrollbar_layer->SetBounds(gfx::Size(100, 100)); |
| 49 |
| 50 layer_tree_host_->SetRootLayer(scrollbar_layer); |
| 51 EXPECT_EQ(scrollbar_layer->layer_tree_host(), layer_tree_host_.get()); |
| 52 scrollbar_layer->SavePaintProperties(); |
| 53 |
| 54 // Request no paint, but expect them to be painted because they have not |
| 55 // yet been initialized. |
| 56 scrollbar->set_needs_paint_thumb(false); |
| 57 scrollbar->set_needs_paint_track(false); |
| 58 EXPECT_CALL(*scrollbar, PaintPart(_, THUMB, _)).Times(1); |
| 59 EXPECT_CALL(*scrollbar, PaintPart(_, TRACK, _)).Times(1); |
| 60 scrollbar_layer->Update(); |
| 61 Mock::VerifyAndClearExpectations(scrollbar); |
| 62 |
| 63 // The next update will paint nothing because the first update caused a paint. |
| 64 EXPECT_CALL(*scrollbar, PaintPart(_, THUMB, _)).Times(0); |
| 65 EXPECT_CALL(*scrollbar, PaintPart(_, TRACK, _)).Times(0); |
| 66 scrollbar_layer->Update(); |
| 67 Mock::VerifyAndClearExpectations(scrollbar); |
| 68 |
| 69 // Enable the thumb. |
| 70 EXPECT_CALL(*scrollbar, PaintPart(_, THUMB, _)).Times(1); |
| 71 EXPECT_CALL(*scrollbar, PaintPart(_, TRACK, _)).Times(0); |
| 72 scrollbar->set_needs_paint_thumb(true); |
| 73 scrollbar->set_needs_paint_track(false); |
| 74 scrollbar_layer->Update(); |
| 75 Mock::VerifyAndClearExpectations(scrollbar); |
| 76 |
| 77 // Enable the track. |
| 78 EXPECT_CALL(*scrollbar, PaintPart(_, THUMB, _)).Times(0); |
| 79 EXPECT_CALL(*scrollbar, PaintPart(_, TRACK, _)).Times(1); |
| 80 scrollbar->set_needs_paint_thumb(false); |
| 81 scrollbar->set_needs_paint_track(true); |
| 82 scrollbar_layer->Update(); |
| 83 Mock::VerifyAndClearExpectations(scrollbar); |
| 84 } |
| 85 |
| 86 } // namespace |
| 87 } // namespace cc |
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