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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 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 | 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 "chrome/browser/chromeos/camera_detector.h" | 5 #include "chrome/browser/chromeos/camera_detector.h" |
6 | 6 |
7 #include "base/bind.h" | 7 #include "base/bind.h" |
8 #include "base/file_util.h" | 8 #include "base/file_util.h" |
9 #include "base/files/file_enumerator.h" | 9 #include "base/files/file_enumerator.h" |
10 #include "base/location.h" | 10 #include "base/location.h" |
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41 | 41 |
42 // static | 42 // static |
43 void CameraDetector::StartPresenceCheck(const base::Closure& callback) { | 43 void CameraDetector::StartPresenceCheck(const base::Closure& callback) { |
44 DCHECK(BrowserThread::CurrentlyOn(content::BrowserThread::UI)); | 44 DCHECK(BrowserThread::CurrentlyOn(content::BrowserThread::UI)); |
45 if (presence_check_in_progress_) | 45 if (presence_check_in_progress_) |
46 return; | 46 return; |
47 DVLOG(1) << "Starting camera presence check"; | 47 DVLOG(1) << "Starting camera presence check"; |
48 presence_check_in_progress_ = true; | 48 presence_check_in_progress_ = true; |
49 base::PostTaskAndReplyWithResult( | 49 base::PostTaskAndReplyWithResult( |
50 BrowserThread::GetBlockingPool()->GetTaskRunnerWithShutdownBehavior( | 50 BrowserThread::GetBlockingPool()->GetTaskRunnerWithShutdownBehavior( |
51 base::SequencedWorkerPool::SKIP_ON_SHUTDOWN), | 51 base::SequencedWorkerPool::SKIP_ON_SHUTDOWN).get(), |
52 FROM_HERE, | 52 FROM_HERE, |
53 base::Bind(&CameraDetector::CheckPresence), | 53 base::Bind(&CameraDetector::CheckPresence), |
54 base::Bind(&CameraDetector::OnPresenceCheckDone, callback)); | 54 base::Bind(&CameraDetector::OnPresenceCheckDone, callback)); |
55 } | 55 } |
56 | 56 |
57 // static | 57 // static |
58 void CameraDetector::OnPresenceCheckDone(const base::Closure& callback, | 58 void CameraDetector::OnPresenceCheckDone(const base::Closure& callback, |
59 bool present) { | 59 bool present) { |
60 DCHECK(BrowserThread::CurrentlyOn(content::BrowserThread::UI)); | 60 DCHECK(BrowserThread::CurrentlyOn(content::BrowserThread::UI)); |
61 camera_presence_ = present ? kCameraPresent : kCameraAbsent; | 61 camera_presence_ = present ? kCameraPresent : kCameraAbsent; |
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79 base::SplitString(v4l_capabilities, kV4LCapabilitiesDelim, &caps); | 79 base::SplitString(v4l_capabilities, kV4LCapabilitiesDelim, &caps); |
80 if (find(caps.begin(), caps.end(), kV4LCaptureCapability) != caps.end()) { | 80 if (find(caps.begin(), caps.end(), kV4LCaptureCapability) != caps.end()) { |
81 return true; | 81 return true; |
82 } | 82 } |
83 } | 83 } |
84 } | 84 } |
85 return false; | 85 return false; |
86 } | 86 } |
87 | 87 |
88 } // namespace chromeos | 88 } // namespace chromeos |
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