x_atom_cache.cc (1359B)
1 /* 2 * Copyright (c) 2017 The WebRTC project authors. All Rights Reserved. 3 * 4 * Use of this source code is governed by a BSD-style license 5 * that can be found in the LICENSE file in the root of the source 6 * tree. An additional intellectual property rights grant can be found 7 * in the file PATENTS. All contributing project authors may 8 * be found in the AUTHORS file in the root of the source tree. 9 */ 10 11 #include "modules/desktop_capture/linux/x11/x_atom_cache.h" 12 13 #include <X11/X.h> 14 #include <X11/Xlib.h> 15 16 #include "rtc_base/checks.h" 17 18 namespace webrtc { 19 20 XAtomCache::XAtomCache(::Display* display) : display_(display) { 21 RTC_DCHECK(display_); 22 } 23 24 XAtomCache::~XAtomCache() = default; 25 26 ::Display* XAtomCache::display() const { 27 return display_; 28 } 29 30 Atom XAtomCache::WmState() { 31 return CreateIfNotExist(&wm_state_, "WM_STATE"); 32 } 33 34 Atom XAtomCache::WindowType() { 35 return CreateIfNotExist(&window_type_, "_NET_WM_WINDOW_TYPE"); 36 } 37 38 Atom XAtomCache::WindowTypeNormal() { 39 return CreateIfNotExist(&window_type_normal_, "_NET_WM_WINDOW_TYPE_NORMAL"); 40 } 41 42 Atom XAtomCache::IccProfile() { 43 return CreateIfNotExist(&icc_profile_, "_ICC_PROFILE"); 44 } 45 46 Atom XAtomCache::CreateIfNotExist(Atom* atom, const char* name) { 47 RTC_DCHECK(atom); 48 if (*atom == None) { 49 *atom = XInternAtom(display(), name, True); 50 } 51 return *atom; 52 } 53 54 } // namespace webrtc