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1 // Copyright (c) 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 #include "webkit/plugins/ppapi/ppapi_plugin_instance_impl.h" | |
6 | |
7 #include "base/basictypes.h" | |
8 #include "base/memory/ref_counted.h" | |
9 #include "testing/gtest/include/gtest/gtest.h" | |
10 #include "ui/gfx/rect.h" | |
11 #include "ui/gfx/safe_integer_conversions.h" | |
12 #include "webkit/plugins/ppapi/plugin_delegate.h" | |
13 #include "webkit/plugins/ppapi/ppapi_unittest.h" | |
14 #include "webkit/plugins/ppapi/ppb_image_data_impl.h" | |
15 | |
16 namespace webkit { | |
17 namespace ppapi { | |
18 | |
19 namespace { | |
20 | |
21 // A mock graphics object to bind. We only have to implement enough so that | |
22 // GetBitmapForOptimizedPluginPaint runs. | |
23 // | |
24 // If this is eventually all moved to content, we can simplify this. The | |
25 // point here is that we need to just have a bound graphics 2d resource host | |
26 // with the right properties. | |
27 class MockPlatformGraphics2D : public PluginDelegate::PlatformGraphics2D { | |
28 public: | |
29 // The image data pointer must outlive this class. | |
30 MockPlatformGraphics2D(PPB_ImageData_Impl* image_data, float scale) | |
31 : image_data_(image_data), | |
32 scale_(scale), | |
33 bound_instance_(NULL) { | |
34 } | |
35 virtual ~MockPlatformGraphics2D() { | |
36 if (bound_instance_) | |
37 bound_instance_->SetBoundGraphics2DForTest(NULL); | |
38 } | |
39 | |
40 virtual bool ReadImageData(PP_Resource image, | |
41 const PP_Point* top_left) OVERRIDE { | |
42 return false; | |
43 } | |
44 virtual bool BindToInstance(PluginInstanceImpl* new_instance) OVERRIDE { | |
45 bound_instance_ = new_instance; | |
46 return true; | |
47 } | |
48 virtual void Paint(WebKit::WebCanvas* canvas, | |
49 const gfx::Rect& plugin_rect, | |
50 const gfx::Rect& paint_rect) OVERRIDE {} | |
51 virtual void ViewWillInitiatePaint() OVERRIDE {} | |
52 virtual void ViewInitiatedPaint() OVERRIDE {} | |
53 virtual void ViewFlushedPaint() OVERRIDE {} | |
54 | |
55 virtual bool IsAlwaysOpaque() const OVERRIDE { return true; } | |
56 virtual void SetScale(float scale) OVERRIDE {} | |
57 virtual float GetScale() const OVERRIDE { return scale_; } | |
58 virtual PPB_ImageData_Impl* ImageData() OVERRIDE { | |
59 return image_data_; | |
60 } | |
61 | |
62 private: | |
63 PPB_ImageData_Impl* image_data_; | |
64 float scale_; | |
65 PluginInstanceImpl* bound_instance_; | |
66 | |
67 DISALLOW_COPY_AND_ASSIGN(MockPlatformGraphics2D); | |
68 }; | |
69 | |
70 } // namespace | |
71 | |
72 // This class is forward-declared as a friend so can't be in the anonymous | |
73 // namespace. | |
74 class PpapiPluginInstanceTest : public PpapiUnittest { | |
75 public: | |
76 bool GetBitmapForOptimizedPluginPaint(const gfx::Rect& paint_bounds, | |
77 TransportDIB** dib, | |
78 gfx::Rect* location, | |
79 gfx::Rect* clip, | |
80 float* scale_factor) { | |
81 return !!instance()->GetBitmapForOptimizedPluginPaint( | |
82 paint_bounds, dib, location, clip, scale_factor); | |
83 } | |
84 }; | |
85 | |
86 | |
87 // Test that GetBitmapForOptimizedPluginPaint doesn't return a bitmap rect | |
88 // that's bigger than the actual backing store bitmap. | |
89 TEST_F(PpapiPluginInstanceTest, GetBitmap2xScale) { | |
90 PP_Size size; | |
91 size.width = 3; | |
92 size.height = 3; | |
93 | |
94 scoped_refptr<PPB_ImageData_Impl> image_data = new PPB_ImageData_Impl( | |
95 instance()->pp_instance(), PPB_ImageData_Impl::PLATFORM); | |
96 image_data->Init(PPB_ImageData_Impl::GetNativeImageDataFormat(), | |
97 size.width, size.height, true); | |
98 ASSERT_TRUE(image_data->Map() != NULL); | |
99 | |
100 float scale = 2.0; | |
101 MockPlatformGraphics2D mock_graphics_2d(image_data.get(), 1.0 / scale); | |
102 instance()->SetBoundGraphics2DForTest(&mock_graphics_2d); | |
103 | |
104 instance()->SetAlwaysOnTop(true); | |
105 SetViewSize(size.width, size.height); | |
106 | |
107 gfx::Rect bounds(0, 0, 1, 1); | |
108 gfx::Rect location; | |
109 gfx::Rect clip; | |
110 float bitmap_scale = 0; | |
111 TransportDIB* dib = NULL; | |
112 EXPECT_TRUE(GetBitmapForOptimizedPluginPaint( | |
113 bounds, &dib, &location, &clip, &bitmap_scale)); | |
114 | |
115 EXPECT_EQ(0, location.x()); | |
116 EXPECT_EQ(0, location.y()); | |
117 EXPECT_EQ(gfx::ToFlooredInt(size.width / scale), location.width()); | |
118 EXPECT_EQ(gfx::ToFlooredInt(size.height / scale), location.height()); | |
119 EXPECT_EQ(0, clip.x()); | |
120 EXPECT_EQ(0, clip.y()); | |
121 EXPECT_EQ(size.width, clip.width()); | |
122 EXPECT_EQ(size.height, clip.height()); | |
123 EXPECT_EQ(scale, bitmap_scale); | |
124 } | |
125 | |
126 } // namespace ppapi | |
127 } // namespace webkit | |
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