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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 CHROME_BROWSER_UI_ANDROID_TAB_MODEL_TAB_MODEL_H_
#define CHROME_BROWSER_UI_ANDROID_TAB_MODEL_TAB_MODEL_H_
#include "base/memory/scoped_ptr.h"
#include "chrome/browser/sync/glue/synced_window_delegate.h"
#include "chrome/browser/ui/toolbar/toolbar_model.h"
#include "chrome/browser/ui/toolbar/toolbar_model_delegate.h"
#include "components/sessions/session_id.h"
#include "content/public/browser/notification_observer.h"
#include "content/public/browser/notification_registrar.h"
namespace browser_sync {
class SyncedWindowDelegate;
class SyncedWindowDelegateAndroid;
}
namespace content {
class WebContents;
}
class Profile;
class TabAndroid;
// Abstract representation of a Tab Model for Android. Since Android does
// not use Browser/BrowserList, this is required to allow Chrome to interact
// with Android's Tabs and Tab Model.
class TabModel : public content::NotificationObserver {
public:
virtual Profile* GetProfile() const;
virtual bool IsOffTheRecord() const;
virtual browser_sync::SyncedWindowDelegate* GetSyncedWindowDelegate() const;
virtual SessionID::id_type GetSessionId() const;
virtual int GetTabCount() const = 0;
virtual int GetActiveIndex() const = 0;
virtual content::WebContents* GetActiveWebContents() const;
virtual content::WebContents* GetWebContentsAt(int index) const = 0;
// This will return NULL if the tab has not yet been initialized.
virtual TabAndroid* GetTabAt(int index) const = 0;
virtual void SetActiveIndex(int index) = 0;
virtual void CloseTabAt(int index) = 0;
// Used for restoring tabs from synced foreign sessions.
virtual void CreateTab(content::WebContents* web_contents,
int parent_tab_id) = 0;
// Used by Developer Tools to create a new tab with a given URL.
// Replaces CreateTabForTesting.
virtual content::WebContents* CreateNewTabForDevTools(const GURL& url) = 0;
// Return true if we are currently restoring sessions asynchronously.
virtual bool IsSessionRestoreInProgress() const = 0;
protected:
explicit TabModel(Profile* profile);
~TabModel() override;
// Instructs the TabModel to broadcast a notification that all tabs are now
// loaded from storage.
void BroadcastSessionRestoreComplete();
ToolbarModel* GetToolbarModel();
private:
// Determines how TabModel will interact with the profile.
void Observe(int type,
const content::NotificationSource& source,
const content::NotificationDetails& details) override;
// The profile associated with this TabModel.
Profile* profile_;
// Describes if this TabModel contains an off-the-record profile.
bool is_off_the_record_;
// The SyncedWindowDelegate associated with this TabModel.
scoped_ptr<browser_sync::SyncedWindowDelegateAndroid> synced_window_delegate_;
// Unique identifier of this TabModel for session restore. This id is only
// unique within the current session, and is not guaranteed to be unique
// across sessions.
SessionID session_id_;
// The Registrar used to register TabModel for notifications.
content::NotificationRegistrar registrar_;
DISALLOW_COPY_AND_ASSIGN(TabModel);
};
#endif // CHROME_BROWSER_UI_ANDROID_TAB_MODEL_TAB_MODEL_H_
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