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cec4343fb4
Bug: webrtc:12338 Change-Id: I300ba78fc4423db7030e555d7e51d2cb2246e9a4 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/227162 Reviewed-by: Harald Alvestrand <hta@webrtc.org> Commit-Queue: Artem Titov <titovartem@webrtc.org> Cr-Commit-Position: refs/heads/master@{#34678}
84 lines
2.5 KiB
C++
84 lines
2.5 KiB
C++
/*
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* Copyright (c) 2013 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef MODULES_DESKTOP_CAPTURE_LINUX_SHARED_X_DISPLAY_H_
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#define MODULES_DESKTOP_CAPTURE_LINUX_SHARED_X_DISPLAY_H_
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#include <map>
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#include <string>
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#include <vector>
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#include "api/ref_counted_base.h"
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#include "api/scoped_refptr.h"
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#include "rtc_base/constructor_magic.h"
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#include "rtc_base/system/rtc_export.h"
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// Including Xlib.h will involve evil defines (Bool, Status, True, False), which
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// easily conflict with other headers.
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typedef struct _XDisplay Display;
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typedef union _XEvent XEvent;
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namespace webrtc {
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// A ref-counted object to store XDisplay connection.
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class RTC_EXPORT SharedXDisplay
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: public rtc::RefCountedNonVirtual<SharedXDisplay> {
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public:
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class XEventHandler {
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public:
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virtual ~XEventHandler() {}
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// Processes XEvent. Returns true if the event has been handled.
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virtual bool HandleXEvent(const XEvent& event) = 0;
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};
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// Creates a new X11 Display for the `display_name`. NULL is returned if X11
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// connection failed. Equivalent to CreateDefault() when `display_name` is
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// empty.
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static rtc::scoped_refptr<SharedXDisplay> Create(
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const std::string& display_name);
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// Creates X11 Display connection for the default display (e.g. specified in
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// DISPLAY). NULL is returned if X11 connection failed.
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static rtc::scoped_refptr<SharedXDisplay> CreateDefault();
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Display* display() { return display_; }
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// Adds a new event `handler` for XEvent's of `type`.
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void AddEventHandler(int type, XEventHandler* handler);
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// Removes event `handler` added using `AddEventHandler`. Doesn't do anything
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// if `handler` is not registered.
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void RemoveEventHandler(int type, XEventHandler* handler);
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// Processes pending XEvents, calling corresponding event handlers.
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void ProcessPendingXEvents();
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void IgnoreXServerGrabs();
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~SharedXDisplay();
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protected:
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// Takes ownership of `display`.
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explicit SharedXDisplay(Display* display);
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private:
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typedef std::map<int, std::vector<XEventHandler*> > EventHandlersMap;
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Display* display_;
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EventHandlersMap event_handlers_;
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RTC_DISALLOW_COPY_AND_ASSIGN(SharedXDisplay);
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};
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} // namespace webrtc
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#endif // MODULES_DESKTOP_CAPTURE_LINUX_SHARED_X_DISPLAY_H_
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