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// Copyright (c) 2009 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.
#import <Cocoa/Cocoa.h>
#include "base/scoped_nsobject.h"
#include "base/scoped_ptr.h"
#import "chrome/browser/cocoa/view_resizer.h"
#include "chrome/common/notification_registrar.h"
class InfoBarDelegate;
class InfoBarNotificationObserver;
class TabContents;
class TabStripModel;
class TabStripModelObserverBridge;
// Controller for the infobar container view, which is the superview
// of all the infobar views. This class owns zero or more
// InfoBarControllers, which manage the infobar views. This class
// also receives tab strip model notifications and handles
// adding/removing infobars when needed.
@interface InfoBarContainerController : NSViewController {
@private
// Needed to send resize messages when infobars are added or removed.
id<ViewResizer> resizeDelegate_; // weak
// The TabContents we are currently showing infobars for.
TabContents* currentTabContents_; // weak
// Holds the InfoBarControllers currently owned by this container.
scoped_nsobject<NSMutableArray> infobarControllers_;
// Lets us get TabChanged/TabDetachedAt notifications.
scoped_ptr<TabStripModelObserverBridge> tabObserver_;
// Lets us registers for INFOBAR_ADDED/INFOBAR_REMOVED
// notifications. The actual notifications are sent to the
// InfoBarNotificationObserver object, which proxies them back to us.
NotificationRegistrar registrar_;
scoped_ptr<InfoBarNotificationObserver> infoBarObserver_;
}
- (id)initWithTabStripModel:(TabStripModel*)model
resizeDelegate:(id<ViewResizer>)resizeDelegate;
// Informs the selected TabContents that the infobars for the given
// |delegate| need to be removed. Does not remove any infobar views
// directly, as they will be removed when handling the subsequent
// INFOBAR_REMOVED notification. Does not notify |delegate| that the
// infobar was closed.
- (void)removeDelegate:(InfoBarDelegate*)delegate;
@end
@interface InfoBarContainerController (ForTheObserverAndTesting)
// Adds an infobar view for the given delegate. Callers must call
// positionInfoBarsAndRedraw after calling this method.
- (void)addInfoBar:(InfoBarDelegate*)delegate;
// Removes all the infobar views for a given delegate. Callers must
// call positionInfoBarsAndRedraw after calling this method.
- (void)removeInfoBarsForDelegate:(InfoBarDelegate*)delegate;
// Replaces all info bars for the delegate with a new info bar.
// This simply calls removeInfoBarsForDelegate: and then addInfoBar:.
- (void)replaceInfoBarsForDelegate:(InfoBarDelegate*)old_delegate
with:(InfoBarDelegate*)new_delegate;
// Positions the infobar views in the container view and notifies
// |browser_controller_| that it needs to resize the container view.
- (void)positionInfoBarsAndRedraw;
@end
@interface InfoBarContainerController (JustForTesting)
// Removes all infobar views. Callers must call
// positionInfoBarsAndRedraw() after calling this method.
- (void)removeAllInfoBars;
@end
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