Extensions: Move cast_channel and hid APIs to extensions/.

chrome/browser/extensions/api/cast_channel/cast_channel_api.h

-// 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 CHROME_BROWSER_EXTENSIONS_API_CAST_CHANNEL_CAST_CHANNEL_API_H_
-#define CHROME_BROWSER_EXTENSIONS_API_CAST_CHANNEL_CAST_CHANNEL_API_H_
-
-#include <string>
-
-#include "base/basictypes.h"
-#include "base/memory/scoped_ptr.h"
-#include "base/threading/thread_checker.h"
-#include "chrome/browser/extensions/api/cast_channel/cast_socket.h"
-#include "chrome/common/extensions/api/cast_channel.h"
-#include "extensions/browser/api/api_resource_manager.h"
-#include "extensions/browser/api/async_api_function.h"
-#include "extensions/browser/browser_context_keyed_api_factory.h"
-
-class GURL;
-class CastChannelAPITest;
-
-namespace content {
-class BrowserContext;
-}
-
-namespace net {
-class IPEndPoint;
-}
-
-namespace extensions {
-
-namespace cast_channel = api::cast_channel;
-
-class CastChannelAPI : public BrowserContextKeyedAPI,
-                       public cast_channel::CastSocket::Delegate {
- public:
-  explicit CastChannelAPI(content::BrowserContext* context);
-
-  static CastChannelAPI* Get(content::BrowserContext* context);
-
-  // BrowserContextKeyedAPI implementation.
-  static BrowserContextKeyedAPIFactory<CastChannelAPI>* GetFactoryInstance();
-
-  // Returns a new CastSocket that connects to |ip_endpoint| with authentication
-  // |channel_auth| and is to be owned by |extension_id|.
-  scoped_ptr<cast_channel::CastSocket> CreateCastSocket(
-      const std::string& extension_id,
-      const net::IPEndPoint& ip_endpoint,
-      cast_channel::ChannelAuthType channel_auth,
-      const base::TimeDelta& timeout);
-
-  // Sets the CastSocket instance to be returned by CreateCastSocket for
-  // testing.
-  void SetSocketForTest(scoped_ptr<cast_channel::CastSocket> socket_for_test);
-
- private:
-  friend class BrowserContextKeyedAPIFactory<CastChannelAPI>;
-  friend class ::CastChannelAPITest;
-
-  virtual ~CastChannelAPI();
-
-  // CastSocket::Delegate.  Called on IO thread.
-  virtual void OnError(const cast_channel::CastSocket* socket,
-                       cast_channel::ChannelError error) OVERRIDE;
-  virtual void OnMessage(const cast_channel::CastSocket* socket,
-                         const cast_channel::MessageInfo& message) OVERRIDE;
-
-  // BrowserContextKeyedAPI implementation.
-  static const char* service_name() { return "CastChannelAPI"; }
-
-  content::BrowserContext* const browser_context_;
-  scoped_ptr<cast_channel::CastSocket> socket_for_test_;
-
-  DISALLOW_COPY_AND_ASSIGN(CastChannelAPI);
-};
-
-class CastChannelAsyncApiFunction : public AsyncApiFunction {
- public:
-  CastChannelAsyncApiFunction();
-
- protected:
-  virtual ~CastChannelAsyncApiFunction();
-
-  // AsyncApiFunction:
-  virtual bool PrePrepare() OVERRIDE;
-  virtual bool Respond() OVERRIDE;
-
-  // Returns the socket corresponding to |channel_id| if one exists.  Otherwise,
-  // sets the function result with CHANNEL_ERROR_INVALID_CHANNEL_ID, completes
-  // the function, and returns null.
-  cast_channel::CastSocket* GetSocketOrCompleteWithError(int channel_id);
-
-  // Adds |socket| to |manager_| and returns the new channel_id.  |manager_|
-  // assumes ownership of |socket|.
-  int AddSocket(cast_channel::CastSocket* socket);
-
-  // Removes the CastSocket corresponding to |channel_id| from the resource
-  // manager.
-  void RemoveSocket(int channel_id);
-
-  // Sets the function result to a ChannelInfo obtained from the state of the
-  // CastSocket corresponding to |channel_id|.
-  void SetResultFromSocket(int channel_id);
-
-  // Sets the function result to a ChannelInfo with |error|.
-  void SetResultFromError(cast_channel::ChannelError error);
-
-  // Returns the socket corresponding to |channel_id| if one exists, or null
-  // otherwise.
-  cast_channel::CastSocket* GetSocket(int channel_id);
-
- private:
-  // Sets the function result from |channel_info|.
-  void SetResultFromChannelInfo(const cast_channel::ChannelInfo& channel_info);
-
-  // The API resource manager for CastSockets.
-  ApiResourceManager<cast_channel::CastSocket>* manager_;
-
-  // The result of the function.
-  cast_channel::ChannelError error_;
-};
-
-class CastChannelOpenFunction : public CastChannelAsyncApiFunction {
- public:
-  CastChannelOpenFunction();
-
- protected:
-  virtual ~CastChannelOpenFunction();
-
-  // AsyncApiFunction:
-  virtual bool PrePrepare() OVERRIDE;
-  virtual bool Prepare() OVERRIDE;
-  virtual void AsyncWorkStart() OVERRIDE;
-
- private:
-  DECLARE_EXTENSION_FUNCTION("cast.channel.open", CAST_CHANNEL_OPEN)
-
-  // Parses the cast:// or casts:// |url|, fills |connect_info| with the
-  // corresponding details, and returns true. Returns false if |url| is not a
-  // valid Cast URL.
-  static bool ParseChannelUrl(const GURL& url,
-                              cast_channel::ConnectInfo* connect_info);
-
-  // Validates that |connect_info| represents a valid IP end point and returns a
-  // new IPEndPoint if so.  Otherwise returns NULL.
-  static net::IPEndPoint* ParseConnectInfo(
-      const cast_channel::ConnectInfo& connect_info);
-
-  void OnOpen(int result);
-
-  scoped_ptr<cast_channel::Open::Params> params_;
-  // The id of the newly opened socket.
-  int new_channel_id_;
-  CastChannelAPI* api_;
-  scoped_ptr<cast_channel::ConnectInfo> connect_info_;
-  scoped_ptr<net::IPEndPoint> ip_endpoint_;
-  cast_channel::ChannelAuthType channel_auth_;
-
-  FRIEND_TEST_ALL_PREFIXES(CastChannelOpenFunctionTest, TestParseChannelUrl);
-  FRIEND_TEST_ALL_PREFIXES(CastChannelOpenFunctionTest, TestParseConnectInfo);
-  DISALLOW_COPY_AND_ASSIGN(CastChannelOpenFunction);
-};
-
-class CastChannelSendFunction : public CastChannelAsyncApiFunction {
- public:
-  CastChannelSendFunction();
-
- protected:
-  virtual ~CastChannelSendFunction();
-
-  // AsyncApiFunction:
-  virtual bool Prepare() OVERRIDE;
-  virtual void AsyncWorkStart() OVERRIDE;
-
- private:
-  DECLARE_EXTENSION_FUNCTION("cast.channel.send", CAST_CHANNEL_SEND)
-
-  void OnSend(int result);
-
-  scoped_ptr<cast_channel::Send::Params> params_;
-
-  DISALLOW_COPY_AND_ASSIGN(CastChannelSendFunction);
-};
-
-class CastChannelCloseFunction : public CastChannelAsyncApiFunction {
- public:
-  CastChannelCloseFunction();
-
- protected:
-  virtual ~CastChannelCloseFunction();
-
-  // AsyncApiFunction:
-  virtual bool Prepare() OVERRIDE;
-  virtual void AsyncWorkStart() OVERRIDE;
-
- private:
-  DECLARE_EXTENSION_FUNCTION("cast.channel.close", CAST_CHANNEL_CLOSE)
-
-  void OnClose(int result);
-
-  scoped_ptr<cast_channel::Close::Params> params_;
-
-  DISALLOW_COPY_AND_ASSIGN(CastChannelCloseFunction);
-};
-
-}  // namespace extensions
-
-#endif  // CHROME_BROWSER_EXTENSIONS_API_CAST_CHANNEL_CAST_CHANNEL_API_H_