blob: 161c8e93e1dbb420ebf7dde62ee30b0e8bb2b2d0 [file] [log] [blame]
/*
* Copyright (c) 2017 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#include "webrtc/modules/desktop_capture/x11/x_atom_cache.h"
#include "webrtc/rtc_base/checks.h"
namespace webrtc {
XAtomCache::XAtomCache(::Display* display) : display_(display) {
RTC_DCHECK(display_);
}
XAtomCache::~XAtomCache() = default;
::Display* XAtomCache::display() const {
return display_;
}
Atom XAtomCache::WmState() {
return CreateIfNotExist(&wm_state_, "WM_STATE");
}
Atom XAtomCache::WindowType() {
return CreateIfNotExist(&window_type_, "_NET_WM_WINDOW_TYPE");
}
Atom XAtomCache::WindowTypeNormal() {
return CreateIfNotExist(&window_type_normal_, "_NET_WM_WINDOW_TYPE_NORMAL");
}
Atom XAtomCache::CreateIfNotExist(Atom* atom, const char* name) {
RTC_DCHECK(atom);
if (*atom == None) {
*atom = XInternAtom(display(), name, True);
}
return *atom;
}
} // namespace webrtc