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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_BROWSER_INSTANT_CONTROLLER_H_
#define CHROME_BROWSER_UI_BROWSER_INSTANT_CONTROLLER_H_
#include "base/basictypes.h"
#include "base/compiler_specific.h"
#include "base/memory/scoped_ptr.h"
#include "base/prefs/public/pref_change_registrar.h"
#include "base/string16.h"
#include "chrome/browser/instant/instant_unload_handler.h"
#include "chrome/browser/ui/search/search_model_observer.h"
#include "chrome/browser/ui/tabs/tab_strip_model_observer.h"
#include "chrome/common/instant_types.h"
#include "content/public/browser/notification_observer.h"
#include "webkit/glue/window_open_disposition.h"
class Browser;
class InstantController;
class InstantTest;
class TabContents;
namespace content {
class NotificationDetails;
class NotificationSource;
}
namespace gfx {
class Rect;
}
namespace chrome {
class BrowserInstantController : public TabStripModelObserver,
public search::SearchModelObserver,
public content::NotificationObserver {
public:
explicit BrowserInstantController(Browser* browser);
virtual ~BrowserInstantController();
// Commits the current Instant, returning true on success. This is intended
// for use from OpenCurrentURL.
bool OpenInstant(WindowOpenDisposition disposition);
// Returns the InstantController or NULL if there is no InstantController for
// this BrowserInstantController.
InstantController* instant() const { return instant_.get(); }
// Invoked by |instant_| to commit the |preview| by merging it into the active
// tab or adding it as a new tab. We take ownership of |preview|.
void CommitInstant(TabContents* preview, bool in_new_tab);
// Invoked by |instant_| to autocomplete the |suggestion| into the omnibox.
void SetInstantSuggestion(const InstantSuggestion& suggestion);
// Invoked by |instant_| to get the bounds that the preview is placed at,
// in screen coordinated.
gfx::Rect GetInstantBounds();
// Invoked by |instant_| to notify that the preview gained focus, usually due
// to the user clicking on it.
void InstantPreviewFocused();
// Invoked by |instant_| to get the currently active tab, over which the
// preview would be shown.
TabContents* GetActiveTabContents() const;
// Overridden from content::NotificationObserver:
virtual void Observe(int type,
const content::NotificationSource& source,
const content::NotificationDetails& details) OVERRIDE;
// Overridden from TabStripModelObserver:
virtual void TabDeactivated(TabContents* contents) OVERRIDE;
// Overridden from search::SearchModelObserver:
virtual void ModeChanged(const search::Mode& old_mode,
const search::Mode& new_mode) OVERRIDE;
// If this browser should have Instant, a new InstantController created;
// otherwise any existing InstantController is destroyed.
void ResetInstant();
Browser* browser_;
scoped_ptr<InstantController> instant_;
InstantUnloadHandler instant_unload_handler_;
PrefChangeRegistrar profile_pref_registrar_;
DISALLOW_COPY_AND_ASSIGN(BrowserInstantController);
};
} // namespace chrome
#endif // CHROME_BROWSER_UI_BROWSER_INSTANT_CONTROLLER_H_
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