| // 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_COCOA_TAB_CONTENTS_TAB_CONTENTS_CONTROLLER_H_ |
| #define CHROME_BROWSER_UI_COCOA_TAB_CONTENTS_TAB_CONTENTS_CONTROLLER_H_ |
| |
| #include <Cocoa/Cocoa.h> |
| |
| namespace content { |
| class WebContents; |
| } |
| |
| // A class that controls the WebContents view. It manages displaying the |
| // native view for a given WebContents. |
| // Note that just creating the class does not display the view. 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 |
| content::WebContents* contents_; // weak |
| } |
| @property(readonly, nonatomic) content::WebContents* webContents; |
| |
| // Create the contents of a tab represented by |contents|. |
| - (id)initWithContents:(content::WebContents*)contents; |
| |
| // Call when the tab contents is about to be replaced with the currently |
| // selected tab contents to do not trigger unnecessary content relayout. |
| - (void)ensureContentsSizeDoesNotChange; |
| |
| // Call when the tab view is properly sized and the render widget host view |
| // should be put into the view hierarchy. |
| - (void)ensureContentsVisible; |
| |
| // Call to change the underlying web contents object. View is not changed, |
| // call |-ensureContentsVisible| to display the |newContents|'s render widget |
| // host view. |
| - (void)changeWebContents:(content::WebContents*)newContents; |
| |
| // 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; |
| |
| // 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:(content::WebContents*)updatedContents; |
| |
| @end |
| |
| #endif // CHROME_BROWSER_UI_COCOA_TAB_CONTENTS_TAB_CONTENTS_CONTROLLER_H_ |