1e562e02f31a3d39f06d6cdab11a28104c60bccd8sergeyu@chromium.org/* 2e562e02f31a3d39f06d6cdab11a28104c60bccd8sergeyu@chromium.org * Copyright (c) 2013 The WebRTC project authors. All Rights Reserved. 3e562e02f31a3d39f06d6cdab11a28104c60bccd8sergeyu@chromium.org * 4e562e02f31a3d39f06d6cdab11a28104c60bccd8sergeyu@chromium.org * Use of this source code is governed by a BSD-style license 5e562e02f31a3d39f06d6cdab11a28104c60bccd8sergeyu@chromium.org * that can be found in the LICENSE file in the root of the source 6e562e02f31a3d39f06d6cdab11a28104c60bccd8sergeyu@chromium.org * tree. An additional intellectual property rights grant can be found 7e562e02f31a3d39f06d6cdab11a28104c60bccd8sergeyu@chromium.org * in the file PATENTS. All contributing project authors may 8e562e02f31a3d39f06d6cdab11a28104c60bccd8sergeyu@chromium.org * be found in the AUTHORS file in the root of the source tree. 9e562e02f31a3d39f06d6cdab11a28104c60bccd8sergeyu@chromium.org */ 10e562e02f31a3d39f06d6cdab11a28104c60bccd8sergeyu@chromium.org 11e562e02f31a3d39f06d6cdab11a28104c60bccd8sergeyu@chromium.org#ifndef WEBRTC_MODULES_DESKTOP_CAPTURE_X11_X_ERROR_TRAP_H_ 12e562e02f31a3d39f06d6cdab11a28104c60bccd8sergeyu@chromium.org#define WEBRTC_MODULES_DESKTOP_CAPTURE_X11_X_ERROR_TRAP_H_ 13e562e02f31a3d39f06d6cdab11a28104c60bccd8sergeyu@chromium.org 14e562e02f31a3d39f06d6cdab11a28104c60bccd8sergeyu@chromium.org#include <X11/Xlib.h> 15e562e02f31a3d39f06d6cdab11a28104c60bccd8sergeyu@chromium.org 16774b3d38a4a0f1a8ec08972a3c543cb5d607ce13henrike@webrtc.org#include "webrtc/base/constructormagic.h" 17e562e02f31a3d39f06d6cdab11a28104c60bccd8sergeyu@chromium.org 18e562e02f31a3d39f06d6cdab11a28104c60bccd8sergeyu@chromium.orgnamespace webrtc { 19e562e02f31a3d39f06d6cdab11a28104c60bccd8sergeyu@chromium.org 20e562e02f31a3d39f06d6cdab11a28104c60bccd8sergeyu@chromium.org// Helper class that registers X Window error handler. Caller can use 21e562e02f31a3d39f06d6cdab11a28104c60bccd8sergeyu@chromium.org// GetLastErrorAndDisable() to get the last error that was caught, if any. 22e562e02f31a3d39f06d6cdab11a28104c60bccd8sergeyu@chromium.orgclass XErrorTrap { 23e562e02f31a3d39f06d6cdab11a28104c60bccd8sergeyu@chromium.org public: 24e562e02f31a3d39f06d6cdab11a28104c60bccd8sergeyu@chromium.org explicit XErrorTrap(Display* display); 25e562e02f31a3d39f06d6cdab11a28104c60bccd8sergeyu@chromium.org ~XErrorTrap(); 26e562e02f31a3d39f06d6cdab11a28104c60bccd8sergeyu@chromium.org 27e562e02f31a3d39f06d6cdab11a28104c60bccd8sergeyu@chromium.org // Returns last error and removes unregisters the error handler. 28e562e02f31a3d39f06d6cdab11a28104c60bccd8sergeyu@chromium.org int GetLastErrorAndDisable(); 29e562e02f31a3d39f06d6cdab11a28104c60bccd8sergeyu@chromium.org 30e562e02f31a3d39f06d6cdab11a28104c60bccd8sergeyu@chromium.org private: 31e562e02f31a3d39f06d6cdab11a28104c60bccd8sergeyu@chromium.org XErrorHandler original_error_handler_; 32e562e02f31a3d39f06d6cdab11a28104c60bccd8sergeyu@chromium.org bool enabled_; 33e562e02f31a3d39f06d6cdab11a28104c60bccd8sergeyu@chromium.org 34e562e02f31a3d39f06d6cdab11a28104c60bccd8sergeyu@chromium.org DISALLOW_COPY_AND_ASSIGN(XErrorTrap); 35e562e02f31a3d39f06d6cdab11a28104c60bccd8sergeyu@chromium.org}; 36e562e02f31a3d39f06d6cdab11a28104c60bccd8sergeyu@chromium.org 37e562e02f31a3d39f06d6cdab11a28104c60bccd8sergeyu@chromium.org} // namespace webrtc 38e562e02f31a3d39f06d6cdab11a28104c60bccd8sergeyu@chromium.org 39e562e02f31a3d39f06d6cdab11a28104c60bccd8sergeyu@chromium.org#endif // WEBRTC_MODULES_DESKTOP_CAPTURE_X11_X_ERROR_TRAP_H_ 40