/usr/include/thunderbird/mozilla/widget/WindowSurface.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 | /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
*
* 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_WIDGET_WINDOW_SURFACE_H
#define _MOZILLA_WIDGET_WINDOW_SURFACE_H
#include "mozilla/gfx/2D.h"
#include "Units.h"
namespace mozilla {
namespace widget {
// A class for drawing to double-buffered windows.
class WindowSurface {
public:
virtual ~WindowSurface() {}
// Locks a region of the window for drawing, returning a draw target
// capturing the bounds of the provided region.
// Implementations must permit invocation from any thread.
virtual already_AddRefed<gfx::DrawTarget> Lock(const LayoutDeviceIntRegion& aRegion) = 0;
// Swaps the provided invalid region from the back buffer to the window.
// Implementations must permit invocation from any thread.
virtual void Commit(const LayoutDeviceIntRegion& aInvalidRegion) = 0;
// Whether the window surface represents a fallback method.
virtual bool IsFallback() const { return false; }
};
} // namespace widget
} // namespace mozilla
#endif // _MOZILLA_WIDGET_WINDOW_SURFACE_H
|