webrtc/talk/media/base/screencastid.h
henrike@webrtc.org 28e2075280 Adds trunk/talk folder of revision 359 from libjingles google code to
trunk/talk


git-svn-id: http://webrtc.googlecode.com/svn/trunk@4318 4adac7df-926f-26a2-2b94-8c16560cd09d
2013-07-10 00:45:36 +00:00

89 lines
2.4 KiB
C++

// Copyright 2012 Google Inc.
// Author: thorcarpenter@google.com (Thor Carpenter)
//
// Defines variant class ScreencastId that combines WindowId and DesktopId.
#ifndef TALK_MEDIA_BASE_SCREENCASTID_H_
#define TALK_MEDIA_BASE_SCREENCASTID_H_
#include <string>
#include <vector>
#include "talk/base/window.h"
#include "talk/base/windowpicker.h"
namespace cricket {
class ScreencastId;
typedef std::vector<ScreencastId> ScreencastIdList;
// Used for identifying a window or desktop to be screencast.
class ScreencastId {
public:
enum Type { INVALID, WINDOW, DESKTOP };
// Default constructor indicates invalid ScreencastId.
ScreencastId() : type_(INVALID) {}
explicit ScreencastId(const talk_base::WindowId& id)
: type_(WINDOW), window_(id) {
}
explicit ScreencastId(const talk_base::DesktopId& id)
: type_(DESKTOP), desktop_(id) {
}
Type type() const { return type_; }
const talk_base::WindowId& window() const { return window_; }
const talk_base::DesktopId& desktop() const { return desktop_; }
// Title is an optional parameter.
const std::string& title() const { return title_; }
void set_title(const std::string& desc) { title_ = desc; }
bool IsValid() const {
if (type_ == INVALID) {
return false;
} else if (type_ == WINDOW) {
return window_.IsValid();
} else {
return desktop_.IsValid();
}
}
bool IsWindow() const { return type_ == WINDOW; }
bool IsDesktop() const { return type_ == DESKTOP; }
bool EqualsId(const ScreencastId& other) const {
if (type_ != other.type_) {
return false;
}
if (type_ == INVALID) {
return true;
} else if (type_ == WINDOW) {
return window_.Equals(other.window());
}
return desktop_.Equals(other.desktop());
}
// T is assumed to be WindowDescription or DesktopDescription.
template<class T>
static cricket::ScreencastIdList Convert(const std::vector<T>& list) {
ScreencastIdList screencast_list;
screencast_list.reserve(list.size());
for (typename std::vector<T>::const_iterator it = list.begin();
it != list.end(); ++it) {
ScreencastId id(it->id());
id.set_title(it->title());
screencast_list.push_back(id);
}
return screencast_list;
}
private:
Type type_;
talk_base::WindowId window_;
talk_base::DesktopId desktop_;
std::string title_; // Optional.
};
} // namespace cricket
#endif // TALK_MEDIA_BASE_SCREENCASTID_H_