| // Copyright (c) 2012 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_RENDERER_WEB_INTENTS_HOST_H_ |
| #define CONTENT_RENDERER_WEB_INTENTS_HOST_H_ |
| |
| #include <map> |
| |
| #include "base/memory/scoped_ptr.h" |
| #include "content/public/renderer/render_view_observer.h" |
| #include "third_party/WebKit/Source/WebKit/chromium/public/WebBlob.h" |
| #include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebString.h" |
| #include "webkit/glue/web_intent_data.h" |
| #include "webkit/glue/web_intent_reply_data.h" |
| |
| class RenderViewImpl; |
| |
| namespace WebKit { |
| class WebDeliveredIntentClient; |
| class WebIntentRequest; |
| class WebFrame; |
| } |
| |
| namespace webkit_glue { |
| struct WebIntentData; |
| } |
| |
| // WebIntentsHost is a delegate for Web Intents messages. It is the |
| // renderer-side handler for IPC messages delivering the intent payload data |
| // and preparing it for access by the service page. |
| class WebIntentsHost : public content::RenderViewObserver { |
| public: |
| // |render_view| must not be NULL. |
| explicit WebIntentsHost(RenderViewImpl* render_view); |
| virtual ~WebIntentsHost(); |
| |
| // Called by the RenderView to register a new Web Intent invocation. |
| int RegisterWebIntent(const WebKit::WebIntentRequest& request); |
| |
| // Called into when the delivered intent object gets a postResult call. |
| void OnResult(const WebKit::WebString& data); |
| // Called into when the delivered intent object gets a postFailure call. |
| void OnFailure(const WebKit::WebString& data); |
| |
| private: |
| // A counter used to assign unique IDs to web intents invocations in this |
| // renderer. |
| int id_counter_; |
| |
| // Map tracking registered Web Intent requests by assigned ID numbers to |
| // correctly route any return data. |
| std::map<int, WebKit::WebIntentRequest> intent_requests_; |
| |
| // RenderView::Observer implementation. |
| virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE; |
| virtual void DidClearWindowObject(WebKit::WebFrame* frame) OVERRIDE; |
| |
| // TODO(gbillock): Do we need various ***ClientRedirect methods to implement |
| // intent cancelling policy? Figure this out. |
| |
| // On the service page, handler method for the IntentsMsg_SetWebIntent |
| // message. |
| void OnSetIntent(const webkit_glue::WebIntentData& intent); |
| |
| // On the client page, handler method for the IntentsMsg_WebIntentReply |
| // message. Forwards the reply |data| to the registered WebIntentRequest |
| // (found by |intent_id|), where it is dispatched to the client JS callback. |
| void OnWebIntentReply(webkit_glue::WebIntentReplyType reply_type, |
| const WebKit::WebString& data, |
| int intent_id); |
| |
| // Delivered intent data from the caller. |
| scoped_ptr<webkit_glue::WebIntentData> intent_; |
| |
| // The client object which will receive callback notifications from the |
| // delivered intent. |
| scoped_ptr<WebKit::WebDeliveredIntentClient> delivered_intent_client_; |
| |
| // If we deliver a browser-originated blob intent to the client, |
| // this is that Blob. |
| WebKit::WebBlob web_blob_; |
| |
| DISALLOW_COPY_AND_ASSIGN(WebIntentsHost); |
| }; |
| |
| #endif // CONTENT_RENDERER_WEB_INTENTS_HOST_H_ |