webrtc/modules/desktop_capture/linux/shared_x_display.h
Tom Anderson 17a1654670 Reland "[XProto] Add SharedXDisplay::IgnoreXServerGrabs"
This is a reland of cf8ea9c259

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, thomasanderson@chromium.org

Bug: chromium:1066670
Change-Id: I8ea0a2ff5445524648243635724014ff5337767c
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/181460
Reviewed-by: Mirko Bonadei <mbonadei@webrtc.org>
Commit-Queue: Mirko Bonadei <mbonadei@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#31917}
2020-08-12 09:06:30 +00:00

83 lines
2.5 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.
*/
#ifndef MODULES_DESKTOP_CAPTURE_LINUX_SHARED_X_DISPLAY_H_
#define MODULES_DESKTOP_CAPTURE_LINUX_SHARED_X_DISPLAY_H_
#include <map>
#include <string>
#include <vector>
#include "api/ref_counted_base.h"
#include "api/scoped_refptr.h"
#include "rtc_base/constructor_magic.h"
#include "rtc_base/system/rtc_export.h"
// Including Xlib.h will involve evil defines (Bool, Status, True, False), which
// easily conflict with other headers.
typedef struct _XDisplay Display;
typedef union _XEvent XEvent;
namespace webrtc {
// A ref-counted object to store XDisplay connection.
class RTC_EXPORT SharedXDisplay : public rtc::RefCountedBase {
public:
class XEventHandler {
public:
virtual ~XEventHandler() {}
// Processes XEvent. Returns true if the event has been handled.
virtual bool HandleXEvent(const XEvent& event) = 0;
};
// Takes ownership of |display|.
explicit SharedXDisplay(Display* display);
// Creates a new X11 Display for the |display_name|. NULL is returned if X11
// connection failed. Equivalent to CreateDefault() when |display_name| is
// empty.
static rtc::scoped_refptr<SharedXDisplay> Create(
const std::string& display_name);
// Creates X11 Display connection for the default display (e.g. specified in
// DISPLAY). NULL is returned if X11 connection failed.
static rtc::scoped_refptr<SharedXDisplay> CreateDefault();
Display* display() { return display_; }
// Adds a new event |handler| for XEvent's of |type|.
void AddEventHandler(int type, XEventHandler* handler);
// Removes event |handler| added using |AddEventHandler|. Doesn't do anything
// if |handler| is not registered.
void RemoveEventHandler(int type, XEventHandler* handler);
// Processes pending XEvents, calling corresponding event handlers.
void ProcessPendingXEvents();
void IgnoreXServerGrabs();
protected:
~SharedXDisplay() override;
private:
typedef std::map<int, std::vector<XEventHandler*> > EventHandlersMap;
Display* display_;
EventHandlersMap event_handlers_;
RTC_DISALLOW_COPY_AND_ASSIGN(SharedXDisplay);
};
} // namespace webrtc
#endif // MODULES_DESKTOP_CAPTURE_LINUX_SHARED_X_DISPLAY_H_