Andrey Logvin c61e780dc8 Revert "[XProto] Add SharedXDisplay::IgnoreXServerGrabs"
This reverts commit cf8ea9c25903edb2c907a3cf18e1d31e0196e2e9.

Reason for revert: Breaks an upstream project.

Original change's description:
> [XProto] Add SharedXDisplay::IgnoreXServerGrabs
> 
> This is necessary for Chromium CL:
> https://chromium-review.googlesource.com/c/chromium/src/+/2327373
> 
> BUG=chromium:1066670
> 
> Change-Id: I8c5e5976d6c4737135254b9715b3aa5c885bfc8c
> Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/180773
> Reviewed-by: Jamie Walch <jamiewalch@chromium.org>
> Commit-Queue: Thomas Anderson <thomasanderson@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#31901}

TBR=jamiewalch@chromium.org,sergeyu@chromium.org,thomasanderson@chromium.org

Change-Id: I666996581e78e783d8028c601559f0c5871a7145
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: chromium:1066670
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/181362
Reviewed-by: Andrey Logvin <landrey@webrtc.org>
Commit-Queue: Andrey Logvin <landrey@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#31903}
2020-08-11 08:25:12 +00:00

90 lines
2.6 KiB
C++

/*
* Copyright (c) 2013 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 "modules/desktop_capture/linux/shared_x_display.h"
#include <X11/Xlib.h>
#include <algorithm>
#include "rtc_base/checks.h"
#include "rtc_base/logging.h"
namespace webrtc {
SharedXDisplay::SharedXDisplay(Display* display) : display_(display) {
RTC_DCHECK(display_);
}
SharedXDisplay::~SharedXDisplay() {
RTC_DCHECK(event_handlers_.empty());
XCloseDisplay(display_);
}
// static
rtc::scoped_refptr<SharedXDisplay> SharedXDisplay::Create(
const std::string& display_name) {
Display* display =
XOpenDisplay(display_name.empty() ? NULL : display_name.c_str());
if (!display) {
RTC_LOG(LS_ERROR) << "Unable to open display";
return NULL;
}
return new SharedXDisplay(display);
}
// static
rtc::scoped_refptr<SharedXDisplay> SharedXDisplay::CreateDefault() {
return Create(std::string());
}
void SharedXDisplay::AddEventHandler(int type, XEventHandler* handler) {
event_handlers_[type].push_back(handler);
}
void SharedXDisplay::RemoveEventHandler(int type, XEventHandler* handler) {
EventHandlersMap::iterator handlers = event_handlers_.find(type);
if (handlers == event_handlers_.end())
return;
std::vector<XEventHandler*>::iterator new_end =
std::remove(handlers->second.begin(), handlers->second.end(), handler);
handlers->second.erase(new_end, handlers->second.end());
// Check if no handlers left for this event.
if (handlers->second.empty())
event_handlers_.erase(handlers);
}
void SharedXDisplay::ProcessPendingXEvents() {
// Hold reference to |this| to prevent it from being destroyed while
// processing events.
rtc::scoped_refptr<SharedXDisplay> self(this);
// Find the number of events that are outstanding "now." We don't just loop
// on XPending because we want to guarantee this terminates.
int events_to_process = XPending(display());
XEvent e;
for (int i = 0; i < events_to_process; i++) {
XNextEvent(display(), &e);
EventHandlersMap::iterator handlers = event_handlers_.find(e.type);
if (handlers == event_handlers_.end())
continue;
for (std::vector<XEventHandler*>::iterator it = handlers->second.begin();
it != handlers->second.end(); ++it) {
if ((*it)->HandleXEvent(e))
break;
}
}
}
} // namespace webrtc