| // 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 <tuple> |
| |
| #include "content/common/content_export.h" |
| #include "content/public/browser/web_contents_media_capture_id.h" |
| |
| #if defined(USE_AURA) |
| namespace aura { |
| class Window; |
| } // namespace aura |
| #endif // defined(USE_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_WEB_CONTENTS }; |
| |
| typedef intptr_t Id; |
| |
| // Represents an "unset" value for either |id| or |aura_id|. |
| static const Id kNullId = 0; |
| |
| #if defined(USE_AURA) |
| // Assigns integer identifier to the |window| and returns its DesktopMediaID. |
| static DesktopMediaID RegisterAuraWindow(Type type, aura::Window* window); |
| |
| // Returns the Window that was previously registered using |
| // RegisterAuraWindow(), else nullptr. |
| static aura::Window* GetAuraWindowById(const DesktopMediaID& id); |
| #endif // defined(USE_AURA) |
| |
| DesktopMediaID() = default; |
| |
| DesktopMediaID(Type type, Id id) : type(type), id(id) {} |
| |
| DesktopMediaID(Type type, Id id, WebContentsMediaCaptureId web_contents_id) |
| : type(type), id(id), web_contents_id(web_contents_id) {} |
| |
| // Operators so that DesktopMediaID can be used with STL containers. |
| bool operator<(const DesktopMediaID& other) const; |
| bool operator==(const DesktopMediaID& other) const; |
| |
| bool is_null() const { return type == TYPE_NONE; } |
| std::string ToString() const; |
| static DesktopMediaID Parse(const std::string& str); |
| |
| Type type = TYPE_NONE; |
| |
| // The IDs referring to the target native screen or window. |id| will be |
| // non-null if and only if it refers to a native screen/window. |aura_id| |
| // will be non-null if and only if it refers to an Aura window. Note that is |
| // it possible for both of these to be non-null, which means both IDs are |
| // referring to the same logical window. |
| Id id = kNullId; |
| #if defined(USE_AURA) |
| // TODO(miu): Make this an int, after clean-up for http://crbug.com/513490. |
| Id aura_id = kNullId; |
| #endif |
| |
| // This id contains information for WebContents capture. |
| WebContentsMediaCaptureId web_contents_id; |
| }; |
| |
| } // namespace content |
| |
| #endif // CONTENT_PUBLIC_BROWSER_DESKTOP_MEDIA_ID_H_ |