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// 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/WebIntent.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebString.h"
#include "v8/include/v8.h"
#include "webkit/glue/web_intent_data.h"
#include "webkit/glue/web_intent_reply_data.h"
namespace WebKit {
class WebDeliveredIntentClient;
class WebIntentRequest;
class WebFrame;
}
namespace webkit_glue {
struct WebIntentData;
}
namespace content {
class RenderViewImpl;
// 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 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);
// Forwarded from RenderViewImpl. Notification that a new script context was
// created within webkit.
virtual void DidCreateScriptContext(WebKit::WebFrame* frame,
v8::Handle<v8::Context> ctx,
int extension_group,
int world_id);
private:
// RenderView::Observer implementation.
virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
// Converts incoming intent data to a WebIntent object.
WebKit::WebIntent CreateWebIntent(
WebKit::WebFrame* frame, const webkit_glue::WebIntentData& intent_data);
// 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.
CONTENT_EXPORT void OnSetIntent(const webkit_glue::WebIntentData& intent);
// On the client page, handler method for the IntentsMsg_WebIntentReply
// message. Forwards |reply| to the registered WebIntentRequest
// (found by |intent_id|), where it is dispatched to the client JS callback.
void OnWebIntentReply(const webkit_glue::WebIntentReply& reply,
int intent_id);
friend class WebIntentsHostTest;
// 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_;
// 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);
};
} // namespace content
#endif // CONTENT_RENDERER_WEB_INTENTS_HOST_H_
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