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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.
#ifndef CHROME_BROWSER_COCOA_INFOBAR_CONTAINER_CONTROLLER_H_
#define CHROME_BROWSER_COCOA_INFOBAR_CONTAINER_CONTROLLER_H_
#pragma once
#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 InfoBarController;
class InfoBarDelegate;
class InfoBarNotificationObserver;
class TabContents;
class TabStripModel;
// Protocol for basic container methods, as needed by an InfoBarController.
// This protocol exists to make mocking easier in unittests.
@protocol InfoBarContainer
- (void)removeDelegate:(InfoBarDelegate*)delegate;
- (void)removeController:(InfoBarController*)controller;
@end
// 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 <ViewResizer,
InfoBarContainer> {
@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 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)initWithResizeDelegate:(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;
// Removes |controller| from the list of controllers in this container and
// removes its view from the view hierarchy. This method is safe to call while
// |controller| is still on the call stack.
- (void)removeController:(InfoBarController*)controller;
// Modifies this container to display infobars for the given
// |contents|. Registers for INFOBAR_ADDED and INFOBAR_REMOVED
// notifications for |contents|. If we are currently showing any
// infobars, removes them first and deregisters for any
// notifications. |contents| can be NULL, in which case no infobars
// are shown and no notifications are registered for.
- (void)changeTabContents:(TabContents*)contents;
// Stripped down version of TabStripModelObserverBridge:tabDetachedWithContents.
// Forwarded by BWC. Removes all infobars and deregisters for any notifications
// if |contents| is the current tab contents.
- (void)tabDetachedWithContents:(TabContents*)contents;
@end
@interface InfoBarContainerController (ForTheObserverAndTesting)
// Adds an infobar view for the given delegate.
- (void)addInfoBar:(InfoBarDelegate*)delegate animate:(BOOL)animate;
// Closes all the infobar views for a given delegate, either immediately or by
// starting a close animation.
- (void)closeInfoBarsForDelegate:(InfoBarDelegate*)delegate
animate:(BOOL)animate;
// Replaces all info bars for the delegate with a new info bar.
// This simply calls closeInfoBarsForDelegate: 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
#endif // CHROME_BROWSER_COCOA_INFOBAR_CONTAINER_CONTROLLER_H_
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