content/browser/intents/web_intents_dispatcher_impl.h

   1 // Copyright (c) 2012 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 CONTENT_BROWSER_INTENTS_WEB_INTENTS_DISPATCHER_IMPL_H_
   6 #define CONTENT_BROWSER_INTENTS_WEB_INTENTS_DISPATCHER_IMPL_H_
   7
   8 #include <vector>
   9 #include "base/callback.h"
  10 #include "base/compiler_specific.h"
  11 #include "content/public/browser/web_contents_observer.h"
  12 #include "content/public/browser/web_intents_dispatcher.h"
  13 #include "webkit/glue/web_intent_data.h"
  14 #include "webkit/glue/web_intent_reply_data.h"
  15
  16 namespace content {
  17 class IntentInjector;
  18
  19 // Implements the coordinator object interface for Web Intents.
  20 // Observes the source (client) contents to make sure messages sent back by the
  21 // service can be delivered. Keeps a copy of triggering intent data to
  22 // be delivered to the service and serves as a forwarder for sending reply
  23 // messages back to the client page.
  24 class WebIntentsDispatcherImpl : public WebIntentsDispatcher,
  25                                  public WebContentsObserver {
  26  public:
  27   // |source_contents| is the page which triggered the web intent.
  28   // |intent| is the intent payload created by that page.
  29   // |intent_id| is the identifier assigned by WebKit to direct replies back to
  30   // the correct Javascript callback.
  31   WebIntentsDispatcherImpl(WebContents* source_contents,
  32                            const webkit_glue::WebIntentData& intent,
  33                            int intent_id);
  34   virtual ~WebIntentsDispatcherImpl();
  35
  36   // WebIntentsDispatcher implementation.
  37   virtual const webkit_glue::WebIntentData& GetIntent() OVERRIDE;
  38   virtual void DispatchIntent(WebContents* destination_contents) OVERRIDE;
  39   virtual void ResetDispatch() OVERRIDE;
  40   virtual void SendReply(const webkit_glue::WebIntentReply& reply) OVERRIDE;
  41   virtual void RegisterReplyNotification(
  42       const WebIntentsDispatcher::ReplyNotification& closure) OVERRIDE;
  43
  44   // WebContentsObserver implementation.
  45   virtual void WebContentsDestroyed(WebContents* contents) OVERRIDE;
  46
  47  private:
  48   webkit_glue::WebIntentData intent_;
  49
  50   int intent_id_;
  51
  52   // Weak pointer to the internal object which provides the intent to the
  53   // newly-created service WebContents. This object is self-deleting
  54   // (connected to the service WebContents).
  55   IntentInjector* intent_injector_;
  56
  57   // Callbacks to be notified when SendReplyMessage is called.
  58   std::vector<WebIntentsDispatcher::ReplyNotification> reply_notifiers_;
  59
  60   DISALLOW_COPY_AND_ASSIGN(WebIntentsDispatcherImpl);
  61 };
  62
  63 }  // namespace content
  64
  65 #endif  // CONTENT_BROWSER_INTENTS_WEB_INTENTS_DISPATCHER_IMPL_H_