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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 CHROME_BROWSER_TAB_CONTENTS_BACKGROUND_CONTENTS_H_
#define CHROME_BROWSER_TAB_CONTENTS_BACKGROUND_CONTENTS_H_
#pragma once
#include <string>
#include "base/memory/scoped_ptr.h"
#include "content/browser/tab_contents/tab_contents_delegate.h"
#include "content/browser/tab_contents/tab_contents_observer.h"
#include "content/public/browser/notification_observer.h"
#include "content/public/browser/notification_registrar.h"
#include "webkit/glue/window_open_disposition.h"
class Profile;
// This class consumes TabContents. It can host a renderer, but does not
// have any visible display.
class BackgroundContents : public TabContentsDelegate,
public TabContentsObserver,
public content::NotificationObserver {
public:
class Delegate {
public:
// Called by ShowCreatedWindow. Asks the delegate to attach the opened
// TabContents to a suitable container (e.g. browser) or to show it if it's
// a popup window.
virtual void AddTabContents(TabContents* new_contents,
WindowOpenDisposition disposition,
const gfx::Rect& initial_pos,
bool user_gesture) = 0;
protected:
virtual ~Delegate() {}
};
BackgroundContents(SiteInstance* site_instance,
int routing_id,
Delegate* delegate);
virtual ~BackgroundContents();
TabContents* tab_contents() { return tab_contents_.get(); }
virtual const GURL& GetURL() const;
// TabContentsDelegate implementation:
virtual void CloseContents(TabContents* source) OVERRIDE;
virtual bool ShouldSuppressDialogs() OVERRIDE;
virtual void DidNavigateMainFramePostCommit(TabContents* tab) OVERRIDE;
// TabContentsObserver implementation:
virtual void RenderViewGone(base::TerminationStatus status) OVERRIDE;
// content::NotificationObserver
virtual void Observe(int type,
const content::NotificationSource& source,
const content::NotificationDetails& details);
protected:
// Exposed for testing.
BackgroundContents();
private:
// The delegate for this BackgroundContents.
Delegate* delegate_;
Profile* profile_;
scoped_ptr<TabContents> tab_contents_;
content::NotificationRegistrar registrar_;
DISALLOW_COPY_AND_ASSIGN(BackgroundContents);
};
// This is the data sent out as the details with BACKGROUND_CONTENTS_OPENED.
struct BackgroundContentsOpenedDetails {
// The BackgroundContents object that has just been opened.
BackgroundContents* contents;
// The name of the parent frame for these contents.
const string16& frame_name;
// The ID of the parent application (if any).
const string16& application_id;
};
#endif // CHROME_BROWSER_TAB_CONTENTS_BACKGROUND_CONTENTS_H_
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