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// Copyright (c) 2011 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_BROWSER_INTENTS_INTENT_INJECTOR_H_
#define CONTENT_BROWSER_INTENTS_INTENT_INJECTOR_H_
#pragma once
#include "base/basictypes.h"
#include "base/string16.h"
#include "content/browser/tab_contents/tab_contents_observer.h"
#include "content/common/content_export.h"
#include "content/common/intents_messages.h"
class RenderViewHost;
class TabContents;
namespace webkit_glue {
struct WebIntentData;
}
namespace IPC {
class Message;
}
// Injects an intent into the renderer of a TabContents. The intent dispatch
// logic will create one of these to take care of passing intent data down into
// the context of the service, which will be running in the TabContents on which
// this class is an observer. Deletes itself when the tab is closed.
class CONTENT_EXPORT IntentInjector : public TabContentsObserver {
public:
// |tab_contents| must not be NULL.
explicit IntentInjector(TabContents* tab_contents);
virtual ~IntentInjector();
// TabContentsObserver implementation.
virtual void RenderViewCreated(RenderViewHost* host) OVERRIDE;
virtual void DidNavigateMainFramePostCommit(
const content::LoadCommittedDetails& details,
const ViewHostMsg_FrameNavigate_Params& params) OVERRIDE;
virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
virtual void TabContentsDestroyed(TabContents* tab) OVERRIDE;
// Used to notify the object that the source tab has been destroyed.
virtual void SourceTabContentsDestroyed(TabContents* tab);
// Sets the intent data to be injected. Call after the user has selected a
// service to pass the intent data to that service.
// |source_tab| is a sender to use to communicate to the source tab. Takes
// ownership of |source_tab|.
// |intent| is the intent data from the source
// |intent_id| is the ID assigned to the intent invocation from the source
// context.
void SetIntent(IPC::Message::Sender* source_tab,
const webkit_glue::WebIntentData& intent,
int intent_id);
private:
// Delivers the intent data to the renderer.
void SendIntent();
// Handles receiving a reply from the intent delivery page.
void OnReply(const IPC::Message& message,
webkit_glue::WebIntentReplyType reply_type,
const string16& data,
int intent_id);
// Source intent data provided by caller.
scoped_ptr<webkit_glue::WebIntentData> source_intent_;
// Message forwarder to the tab invoking the intent.
scoped_ptr<IPC::Message::Sender> source_tab_;
// Unique ID assigned to the intent by the source tab.
int intent_id_;
DISALLOW_COPY_AND_ASSIGN(IntentInjector);
};
#endif // CONTENT_BROWSER_INTENTS_INTENT_INJECTOR_H_
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