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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_HUNG_RENDERER_CONTROLLER_H_
#define CHROME_BROWSER_COCOA_HUNG_RENDERER_CONTROLLER_H_
// A controller for the Mac hung renderer dialog window. Only one
// instance of this controller can exist at any time, although a given
// controller is destroyed when its window is closed.
//
// The dialog itself displays a list of frozen tabs, all of which
// share a render process. Since there can only be a single dialog
// open at a time, if showForTabContents is called for a different
// tab, the dialog is repurposed to show a warning for the new tab.
//
// The caller is required to call endForTabContents before deleting
// any TabContents object.
#import <Cocoa/Cocoa.h>
#include <vector>
#import "base/cocoa_protocols_mac.h"
#import "base/scoped_nsobject.h"
@class MultiKeyEquivalentButton;
class TabContents;
@interface HungRendererController : NSWindowController<NSTableViewDataSource> {
@private
IBOutlet MultiKeyEquivalentButton* waitButton_;
IBOutlet NSButton* killButton_;
IBOutlet NSTableView* tableView_;
IBOutlet NSImageView* imageView_;
IBOutlet NSTextField* messageView_;
// The TabContents for which this dialog is open. Should never be
// NULL while this dialog is open.
TabContents* hungContents_;
// Backing data for |tableView_|. Titles of each TabContents that
// shares a renderer process with |hungContents_|.
scoped_nsobject<NSArray> hungTitles_;
}
// Kills the hung renderers.
- (IBAction)kill:(id)sender;
// Waits longer for the renderers to respond.
- (IBAction)wait:(id)sender;
// Modifies the dialog to show a warning for the given tab contents.
// The dialog will contain a list of all tabs that share a renderer
// process with |contents|. The caller must not delete any tab
// contents without first calling endForTabContents.
- (void)showForTabContents:(TabContents*)contents;
// Notifies the dialog that |contents| is either responsive or closed.
// If |contents| shares the same render process as the tab contents
// this dialog was created for, this function will close the dialog.
// If |contents| has a different process, this function does nothing.
- (void)endForTabContents:(TabContents*)contents;
@end // HungRendererController
@interface HungRendererController (JustForTesting)
- (NSButton*)killButton;
- (MultiKeyEquivalentButton*)waitButton;
@end
#endif // CHROME_BROWSER_COCOA_HUNG_RENDERER_CONTROLLER_H_
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