mojo/shell/content_handler_connection.h

   1 // Copyright 2015 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef MOJO_SHELL_CONTENT_HANDLER_CONNECTION_H_
   6 #define MOJO_SHELL_CONTENT_HANDLER_CONNECTION_H_
   7
   8 #include <string>
   9
  10 #include "mojo/application/public/interfaces/content_handler.mojom.h"
  11 #include "url/gurl.h"
  12
  13 namespace mojo {
  14 namespace shell {
  15
  16 class ApplicationManager;
  17
  18 // A ContentHandlerConnection is responsible for creating and maintaining a
  19 // connection to an app which provides the ContentHandler service.
  20 // A ContentHandlerConnection can only be destroyed via CloseConnection.
  21 // A ContentHandlerConnection manages its own lifetime and cannot be used with
  22 // a scoped_ptr to avoid reentrant calls into ApplicationManager late in
  23 // destruction.
  24 class ContentHandlerConnection {
  25  public:
  26   ContentHandlerConnection(ApplicationManager* manager,
  27                            const GURL& content_handler_url,
  28                            const GURL& requestor_url,
  29                            const std::string& qualifier);
  30
  31   // Closes the connection and destorys |this| object.
  32   void CloseConnection();
  33
  34   ContentHandler* content_handler() { return content_handler_.get(); }
  35   const GURL& content_handler_url() { return content_handler_url_; }
  36   const std::string& content_handler_qualifier() {
  37     return content_handler_qualifier_;
  38   }
  39
  40  private:
  41   ~ContentHandlerConnection();
  42
  43   ApplicationManager* manager_;
  44   GURL content_handler_url_;
  45   std::string content_handler_qualifier_;
  46   ContentHandlerPtr content_handler_;
  47   bool connection_closed_;
  48
  49   DISALLOW_COPY_AND_ASSIGN(ContentHandlerConnection);
  50 };
  51
  52 }  // namespace shell
  53 }  // namespace mojo
  54
  55 #endif  // MOJO_SHELL_CONTENT_HANDLER_CONNECTION_H_