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Side by Side Diff: remoting/host/fake_desktop_capturer.cc

Issue 455073004: Switch DesktopEnvironment to return a DesktopCapturer. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Remove ShapedDesktopCapturer::Create() Created 6 years, 4 months ago
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1 // Copyright 2013 The Chromium Authors. All rights reserved. 1 // Copyright 2013 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 "remoting/host/fake_screen_capturer.h" 5 #include "remoting/host/fake_desktop_capturer.h"
6 6
7 #include "base/bind.h" 7 #include "base/bind.h"
8 #include "base/logging.h" 8 #include "base/logging.h"
9 #include "base/memory/ref_counted.h" 9 #include "base/memory/ref_counted.h"
10 #include "base/time/time.h" 10 #include "base/time/time.h"
11 #include "third_party/webrtc/modules/desktop_capture/desktop_frame.h" 11 #include "third_party/webrtc/modules/desktop_capture/desktop_frame.h"
12 12
13 namespace remoting { 13 namespace remoting {
14 14
15 // FakeScreenCapturer generates a white picture of size kWidth x kHeight 15 // FakeDesktopCapturer generates a white picture of size kWidth x kHeight
16 // with a rectangle of size kBoxWidth x kBoxHeight. The rectangle moves kSpeed 16 // with a rectangle of size kBoxWidth x kBoxHeight. The rectangle moves kSpeed
17 // pixels per frame along both axes, and bounces off the sides of the screen. 17 // pixels per frame along both axes, and bounces off the sides of the screen.
18 static const int kWidth = FakeScreenCapturer::kWidth; 18 static const int kWidth = FakeDesktopCapturer::kWidth;
19 static const int kHeight = FakeScreenCapturer::kHeight; 19 static const int kHeight = FakeDesktopCapturer::kHeight;
20 static const int kBoxWidth = 140; 20 static const int kBoxWidth = 140;
21 static const int kBoxHeight = 140; 21 static const int kBoxHeight = 140;
22 static const int kSpeed = 20; 22 static const int kSpeed = 20;
23 23
24 COMPILE_ASSERT(kBoxWidth < kWidth && kBoxHeight < kHeight, bad_box_size); 24 COMPILE_ASSERT(kBoxWidth < kWidth && kBoxHeight < kHeight, bad_box_size);
25 COMPILE_ASSERT((kBoxWidth % kSpeed == 0) && (kWidth % kSpeed == 0) && 25 COMPILE_ASSERT((kBoxWidth % kSpeed == 0) && (kWidth % kSpeed == 0) &&
26 (kBoxHeight % kSpeed == 0) && (kHeight % kSpeed == 0), 26 (kBoxHeight % kSpeed == 0) && (kHeight % kSpeed == 0),
27 sizes_must_be_multiple_of_kSpeed); 27 sizes_must_be_multiple_of_kSpeed);
28 28
29 namespace { 29 namespace {
30 30
31 class DefaultFrameGenerator 31 class DefaultFrameGenerator
32 : public base::RefCountedThreadSafe<DefaultFrameGenerator> { 32 : public base::RefCountedThreadSafe<DefaultFrameGenerator> {
33 public: 33 public:
34 DefaultFrameGenerator() 34 DefaultFrameGenerator()
35 : bytes_per_row_(0), 35 : bytes_per_row_(0),
36 box_pos_x_(0), 36 box_pos_x_(0),
37 box_pos_y_(0), 37 box_pos_y_(0),
38 box_speed_x_(kSpeed), 38 box_speed_x_(kSpeed),
39 box_speed_y_(kSpeed), 39 box_speed_y_(kSpeed),
40 first_frame_(true) {} 40 first_frame_(true) {}
41 41
42 scoped_ptr<webrtc::DesktopFrame> GenerateFrame( 42 scoped_ptr<webrtc::DesktopFrame> GenerateFrame(
43 webrtc::ScreenCapturer::Callback* callback); 43 webrtc::DesktopCapturer::Callback* callback);
44 44
45 private: 45 private:
46 friend class base::RefCountedThreadSafe<DefaultFrameGenerator>; 46 friend class base::RefCountedThreadSafe<DefaultFrameGenerator>;
47 ~DefaultFrameGenerator() {} 47 ~DefaultFrameGenerator() {}
48 48
49 webrtc::DesktopSize size_; 49 webrtc::DesktopSize size_;
50 int bytes_per_row_; 50 int bytes_per_row_;
51 int box_pos_x_; 51 int box_pos_x_;
52 int box_pos_y_; 52 int box_pos_y_;
53 int box_speed_x_; 53 int box_speed_x_;
54 int box_speed_y_; 54 int box_speed_y_;
55 bool first_frame_; 55 bool first_frame_;
56 56
57 DISALLOW_COPY_AND_ASSIGN(DefaultFrameGenerator); 57 DISALLOW_COPY_AND_ASSIGN(DefaultFrameGenerator);
58 }; 58 };
59 59
60 scoped_ptr<webrtc::DesktopFrame> DefaultFrameGenerator::GenerateFrame( 60 scoped_ptr<webrtc::DesktopFrame> DefaultFrameGenerator::GenerateFrame(
61 webrtc::ScreenCapturer::Callback* callback) { 61 webrtc::DesktopCapturer::Callback* callback) {
62 const int kBytesPerPixel = webrtc::DesktopFrame::kBytesPerPixel; 62 const int kBytesPerPixel = webrtc::DesktopFrame::kBytesPerPixel;
63 int buffer_size = kWidth * kHeight * kBytesPerPixel; 63 int buffer_size = kWidth * kHeight * kBytesPerPixel;
64 webrtc::SharedMemory* shared_memory = 64 webrtc::SharedMemory* shared_memory =
65 callback->CreateSharedMemory(buffer_size); 65 callback->CreateSharedMemory(buffer_size);
66 scoped_ptr<webrtc::DesktopFrame> frame; 66 scoped_ptr<webrtc::DesktopFrame> frame;
67 if (shared_memory) { 67 if (shared_memory) {
68 frame.reset(new webrtc::SharedMemoryDesktopFrame( 68 frame.reset(new webrtc::SharedMemoryDesktopFrame(
69 webrtc::DesktopSize(kWidth, kHeight), bytes_per_row_, shared_memory)); 69 webrtc::DesktopSize(kWidth, kHeight), bytes_per_row_, shared_memory));
70 } else { 70 } else {
71 frame.reset( 71 frame.reset(
(...skipping 41 matching lines...) Expand 10 before | Expand all | Expand 10 after
113 old_box_pos_x, old_box_pos_y, kBoxWidth, kBoxHeight)); 113 old_box_pos_x, old_box_pos_y, kBoxWidth, kBoxHeight));
114 frame->mutable_updated_region()->AddRect(webrtc::DesktopRect::MakeXYWH( 114 frame->mutable_updated_region()->AddRect(webrtc::DesktopRect::MakeXYWH(
115 box_pos_x_, box_pos_y_, kBoxWidth, kBoxHeight)); 115 box_pos_x_, box_pos_y_, kBoxWidth, kBoxHeight));
116 } 116 }
117 117
118 return frame.Pass(); 118 return frame.Pass();
119 } 119 }
120 120
121 } // namespace 121 } // namespace
122 122
123 FakeScreenCapturer::FakeScreenCapturer() 123 FakeDesktopCapturer::FakeDesktopCapturer()
124 : callback_(NULL), 124 : callback_(NULL) {
125 mouse_shape_observer_(NULL) {
126 frame_generator_ = base::Bind(&DefaultFrameGenerator::GenerateFrame, 125 frame_generator_ = base::Bind(&DefaultFrameGenerator::GenerateFrame,
127 new DefaultFrameGenerator()); 126 new DefaultFrameGenerator());
128 } 127 }
129 128
130 FakeScreenCapturer::~FakeScreenCapturer() {} 129 FakeDesktopCapturer::~FakeDesktopCapturer() {}
131 130
132 void FakeScreenCapturer::set_frame_generator( 131 void FakeDesktopCapturer::set_frame_generator(
133 const FrameGenerator& frame_generator) { 132 const FrameGenerator& frame_generator) {
134 DCHECK(!callback_); 133 DCHECK(!callback_);
135 frame_generator_ = frame_generator; 134 frame_generator_ = frame_generator;
136 } 135 }
137 136
138 void FakeScreenCapturer::Start(Callback* callback) { 137 void FakeDesktopCapturer::Start(Callback* callback) {
139 DCHECK(!callback_); 138 DCHECK(!callback_);
140 DCHECK(callback); 139 DCHECK(callback);
141 callback_ = callback; 140 callback_ = callback;
142 } 141 }
143 142
144 void FakeScreenCapturer::Capture(const webrtc::DesktopRegion& region) { 143 void FakeDesktopCapturer::Capture(const webrtc::DesktopRegion& region) {
145 base::Time capture_start_time = base::Time::Now(); 144 base::Time capture_start_time = base::Time::Now();
146 scoped_ptr<webrtc::DesktopFrame> frame = frame_generator_.Run(callback_); 145 scoped_ptr<webrtc::DesktopFrame> frame = frame_generator_.Run(callback_);
147 frame->set_capture_time_ms( 146 frame->set_capture_time_ms(
148 (base::Time::Now() - capture_start_time).InMillisecondsRoundedUp()); 147 (base::Time::Now() - capture_start_time).InMillisecondsRoundedUp());
149 callback_->OnCaptureCompleted(frame.release()); 148 callback_->OnCaptureCompleted(frame.release());
150 } 149 }
151 150
152 void FakeScreenCapturer::SetMouseShapeObserver(
153 MouseShapeObserver* mouse_shape_observer) {
154 DCHECK(!mouse_shape_observer_);
155 DCHECK(mouse_shape_observer);
156 mouse_shape_observer_ = mouse_shape_observer;
157 }
158
159 bool FakeScreenCapturer::GetScreenList(ScreenList* screens) {
160 NOTIMPLEMENTED();
161 return false;
162 }
163
164 bool FakeScreenCapturer::SelectScreen(webrtc::ScreenId id) {
165 NOTIMPLEMENTED();
166 return false;
167 }
168
169 } // namespace remoting 151 } // namespace remoting
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