src/ui/views/widget/desktop_aura/x11_scoped_capture.cc

   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
   3 // found in the LICENSE file.
   4
   5 #include "ui/views/widget/desktop_aura/x11_scoped_capture.h"
   6
   7 #include <X11/X.h>
   8 #include <X11/Xlib.h>
   9
  10 #include "ui/gfx/x/x11_types.h"
  11
  12 namespace views {
  13
  14 X11ScopedCapture::X11ScopedCapture(XID window)
  15     : captured_(false) {
  16   // TODO(sad): Use XI2 API instead.
  17   unsigned int event_mask = PointerMotionMask | ButtonReleaseMask |
  18                             ButtonPressMask;
  19   int status = XGrabPointer(gfx::GetXDisplay(), window, True, event_mask,
  20                             GrabModeAsync, GrabModeAsync, None, None,
  21                             CurrentTime);
  22   captured_ = status == GrabSuccess;
  23 }
  24
  25 X11ScopedCapture::~X11ScopedCapture() {
  26   if (captured_) {
  27     XUngrabPointer(gfx::GetXDisplay(), CurrentTime);
  28   }
  29 }
  30
  31 }  // namespace views