/usr/include/thunderbird/mozilla/media/DeviceChangeCallback.h is in thunderbird-dev 1:52.8.0-1~deb8u1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 | /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set sw=2 ts=8 et ft=cpp : */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
* You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef mozilla_DeviceChangeCallback_h
#define mozilla_DeviceChangeCallback_h
namespace mozilla {
class DeviceChangeCallback
{
public:
virtual void OnDeviceChange()
{
MutexAutoLock lock(mCallbackMutex);
for (DeviceChangeCallback* observer : mDeviceChangeCallbackList)
{
observer->OnDeviceChange();
}
}
virtual int AddDeviceChangeCallback(DeviceChangeCallback* aCallback)
{
MutexAutoLock lock(mCallbackMutex);
if (mDeviceChangeCallbackList.IndexOf(aCallback) == mDeviceChangeCallbackList.NoIndex)
mDeviceChangeCallbackList.AppendElement(aCallback);
return 0;
}
virtual int RemoveDeviceChangeCallback(DeviceChangeCallback* aCallback)
{
MutexAutoLock lock(mCallbackMutex);
return RemoveDeviceChangeCallbackLocked(aCallback);
}
virtual int RemoveDeviceChangeCallbackLocked(DeviceChangeCallback* aCallback)
{
mCallbackMutex.AssertCurrentThreadOwns();
if (mDeviceChangeCallbackList.IndexOf(aCallback) != mDeviceChangeCallbackList.NoIndex)
mDeviceChangeCallbackList.RemoveElement(aCallback);
return 0;
}
DeviceChangeCallback() : mCallbackMutex("mozilla::media::DeviceChangeCallback::mCallbackMutex")
{
}
virtual ~DeviceChangeCallback()
{
}
protected:
nsTArray<DeviceChangeCallback*> mDeviceChangeCallbackList;
Mutex mCallbackMutex;
};
} // namespace mozilla
#endif // mozilla_DeviceChangeCallback_h
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