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// Copyright 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CONTENT_PUBLIC_BROWSER_DESKTOP_MEDIA_ID_H_
#define CONTENT_PUBLIC_BROWSER_DESKTOP_MEDIA_ID_H_
#include <string>
#include "base/basictypes.h"
#include "base/strings/string_number_conversions.h"
#include "base/strings/string_util.h"
#include "content/common/content_export.h"
namespace aura {
class Window;
} // namespace aura
namespace content {
// Type used to identify desktop media sources. It's converted to string and
// stored in MediaStreamRequest::requested_video_device_id .
struct CONTENT_EXPORT DesktopMediaID {
public:
enum Type {
TYPE_NONE,
TYPE_SCREEN,
TYPE_WINDOW,
TYPE_AURA_WINDOW,
};
typedef intptr_t Id;
#if defined(USE_AURA)
// Assigns integer identifier to the |window| and returns DesktopMediaID of
// type TYPE_AURA_WINDOW that corresponds to that |window|.
static DesktopMediaID RegisterAuraWindow(aura::Window* window);
// For DesktopMediaID of type TYPE_AURA_WINDOW returns the |window| that was
// previously registered using RegisterAuraWindow().
static aura::Window* GetAuraWindowById(const DesktopMediaID& id);
#endif // defined(USE_AURA)
static DesktopMediaID Parse(const std::string& str);
DesktopMediaID()
: type(TYPE_NONE),
id(0) {
}
DesktopMediaID(Type type, Id id)
: type(type),
id(id) {
}
// Operators so that DesktopMediaID can be used with STL containers.
bool operator<(const DesktopMediaID& other) const {
return type < other.type || (type == other.type && id < other.id);
}
bool operator==(const DesktopMediaID& other) const {
return type == other.type && id == other.id;
}
bool is_null() { return type == TYPE_NONE; }
std::string ToString();
Type type;
Id id;
};
} // namespace content
#endif // CONTENT_PUBLIC_BROWSER_DESKTOP_MEDIA_ID_H_
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