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1 // Copyright 2012 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "cc/contents_scaling_layer.h" | 5 #include "cc/contents_scaling_layer.h" |
6 | 6 |
7 #include "cc/test/geometry_test_utils.h" | 7 #include "cc/test/geometry_test_utils.h" |
8 #include "testing/gtest/include/gtest/gtest.h" | 8 #include "testing/gtest/include/gtest/gtest.h" |
9 | 9 |
10 namespace cc { | 10 namespace cc { |
11 namespace { | 11 namespace { |
12 | 12 |
13 class MockContentsScalingLayer : public ContentsScalingLayer { | 13 class MockContentsScalingLayer : public ContentsScalingLayer { |
14 public: | 14 public: |
15 MockContentsScalingLayer() | 15 MockContentsScalingLayer() |
16 : ContentsScalingLayer() { | 16 : ContentsScalingLayer() { |
17 } | 17 } |
18 | 18 |
19 virtual void setNeedsDisplayRect(const gfx::RectF& dirtyRect) OVERRIDE { | 19 virtual void setNeedsDisplayRect(const gfx::RectF& dirtyRect) OVERRIDE { |
20 m_lastNeedsDisplayRect = dirtyRect; | 20 m_lastNeedsDisplayRect = dirtyRect; |
21 ContentsScalingLayer::setNeedsDisplayRect(dirtyRect); | 21 ContentsScalingLayer::setNeedsDisplayRect(dirtyRect); |
22 } | 22 } |
23 | 23 |
24 void resetNeedsDisplay() { | 24 void resetNeedsDisplay() { |
25 m_needsDisplay = false; | 25 m_needsDisplay = false; |
26 } | 26 } |
27 | 27 |
28 const gfx::RectF& lastNeedsDisplayRect() const { | 28 const gfx::RectF& lastNeedsDisplayRect() const { |
29 return m_lastNeedsDisplayRect; | 29 return m_lastNeedsDisplayRect; |
| 30 } |
| 31 |
| 32 void updateContentsScale(float contentsScale) { |
| 33 // Simulate calcDrawProperties. |
| 34 calculateContentsScale( |
| 35 contentsScale, |
| 36 &drawProperties().contents_scale_x, |
| 37 &drawProperties().contents_scale_y, |
| 38 &drawProperties().content_bounds); |
30 } | 39 } |
31 | 40 |
32 private: | 41 private: |
33 virtual ~MockContentsScalingLayer() { | 42 virtual ~MockContentsScalingLayer() { |
34 } | 43 } |
35 | 44 |
36 gfx::RectF m_lastNeedsDisplayRect; | 45 gfx::RectF m_lastNeedsDisplayRect; |
37 }; | 46 }; |
38 | 47 |
39 TEST(ContentsScalingLayerTest, checkContentsBounds) { | 48 TEST(ContentsScalingLayerTest, checkContentsBounds) { |
40 scoped_refptr<MockContentsScalingLayer> testLayer = | 49 scoped_refptr<MockContentsScalingLayer> testLayer = |
41 make_scoped_refptr(new MockContentsScalingLayer()); | 50 make_scoped_refptr(new MockContentsScalingLayer()); |
42 | 51 |
43 testLayer->setBounds(gfx::Size(320, 240)); | 52 testLayer->setBounds(gfx::Size(320, 240)); |
44 EXPECT_FLOAT_EQ(1.0, testLayer->contentsScaleX()); | 53 EXPECT_FLOAT_EQ(1.0, testLayer->contentsScaleX()); |
45 EXPECT_FLOAT_EQ(1.0, testLayer->contentsScaleY()); | 54 EXPECT_FLOAT_EQ(1.0, testLayer->contentsScaleY()); |
46 EXPECT_EQ(320, testLayer->contentBounds().width()); | 55 EXPECT_EQ(320, testLayer->contentBounds().width()); |
47 EXPECT_EQ(240, testLayer->contentBounds().height()); | 56 EXPECT_EQ(240, testLayer->contentBounds().height()); |
48 | 57 |
49 testLayer->setContentsScale(2.0f); | 58 testLayer->updateContentsScale(2.0f); |
50 EXPECT_EQ(640, testLayer->contentBounds().width()); | 59 EXPECT_EQ(640, testLayer->contentBounds().width()); |
51 EXPECT_EQ(480, testLayer->contentBounds().height()); | 60 EXPECT_EQ(480, testLayer->contentBounds().height()); |
52 | 61 |
53 testLayer->setBounds(gfx::Size(10, 20)); | 62 testLayer->setBounds(gfx::Size(10, 20)); |
54 EXPECT_EQ(20, testLayer->contentBounds().width()); | 63 EXPECT_EQ(20, testLayer->contentBounds().width()); |
55 EXPECT_EQ(40, testLayer->contentBounds().height()); | 64 EXPECT_EQ(40, testLayer->contentBounds().height()); |
56 | 65 |
57 testLayer->setContentsScale(1.33f); | 66 testLayer->updateContentsScale(1.33f); |
58 EXPECT_EQ(14, testLayer->contentBounds().width()); | 67 EXPECT_EQ(14, testLayer->contentBounds().width()); |
59 EXPECT_EQ(27, testLayer->contentBounds().height()); | 68 EXPECT_EQ(27, testLayer->contentBounds().height()); |
60 } | 69 } |
61 | 70 |
62 TEST(ContentsScalingLayerTest, checkContentsScaleChangeTriggersNeedsDisplay) { | |
63 scoped_refptr<MockContentsScalingLayer> testLayer = | |
64 make_scoped_refptr(new MockContentsScalingLayer()); | |
65 | |
66 testLayer->setBounds(gfx::Size(320, 240)); | |
67 | |
68 testLayer->resetNeedsDisplay(); | |
69 EXPECT_FALSE(testLayer->needsDisplay()); | |
70 | |
71 testLayer->setContentsScale(testLayer->contentsScaleX() + 1.f); | |
72 EXPECT_TRUE(testLayer->needsDisplay()); | |
73 EXPECT_FLOAT_RECT_EQ(gfx::RectF(0, 0, 320, 240), | |
74 testLayer->lastNeedsDisplayRect()); | |
75 } | |
76 | |
77 } // namespace | 71 } // namespace |
78 } // namespace cc | 72 } // namespace cc |
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