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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_TAB_CONTENTS_CONTROLLER_H_
#define CHROME_BROWSER_COCOA_TAB_CONTENTS_CONTROLLER_H_
#include <Cocoa/Cocoa.h>
class TabContents;
class TabContentsCommandObserver;
class TabStripModel;
// A class that controls the web contents of a tab. It manages displaying the
// native view for a given TabContents in |contentsBox_|. Note that just
// creating the class does not display the view in |contentsBox_|. We defer
// inserting it until the box is the correct size to avoid multiple resize
// messages to the renderer. You must call |-ensureContentsVisible| to display
// the render widget host view.
@interface TabContentsController : NSViewController {
@private
TabContentsCommandObserver* observer_; // nil if |commands_| is nil
TabContents* contents_; // weak
IBOutlet NSBox* contentsBox_;
}
// Create the contents of a tab represented by |contents| and loaded from the
// nib given by |name|.
- (id)initWithNibName:(NSString*)name
contents:(TabContents*)contents;
// Called when the tab contents is the currently selected tab and is about to be
// removed from the view hierarchy.
- (void)willBecomeUnselectedTab;
// Called when the tab contents is about to be put into the view hierarchy as
// the selected tab. Handles things such as ensuring the toolbar is correctly
// enabled.
- (void)willBecomeSelectedTab;
// Call when the tab view is properly sized and the render widget host view
// should be put into the view hierarchy.
- (void)ensureContentsVisible;
// Called when the tab contents is updated in some non-descript way (the
// notification from the model isn't specific). |updatedContents| could reflect
// an entirely new tab contents object.
- (void)tabDidChange:(TabContents*)updatedContents;
@end
#endif // CHROME_BROWSER_COCOA_TAB_CONTENTS_CONTROLLER_H_
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