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// Copyright 2013 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_AUTOFILL_AUTOFILL_LAYOUT_H_
#define CHROME_BROWSER_UI_COCOA_AUTOFILL_AUTOFILL_LAYOUT_H_
#import <Cocoa/Cocoa.h>
// Defines a protocol that allows resizing a view hierarchy based on the size
// requirements of the subviews. Is implemented by either views or view
// controllers.
// The way this works together is:
// * Subview indicates by calling -requestRelayout on the window controller.
// * Window controller queries subviews for preferredSize to determine the
// total size of the contentView, adjusts subview origins appropriately,
// and calls performLayout on each subview.
// * Subviews then recursively do the same thing.
@protocol AutofillLayout
// Query the preferred size, without actually layouting.
// Akin to -intrinsicContentSize on 10.7
- (NSSize)preferredSize;
// Layout the content according to the preferred size. Will not touch
// frameOrigin. If all objects in the hierarchy were custom views (and not
// view controllers), this could be replaced by overriding
// -resizeSubviewsWithOldSize:.
- (void)performLayout;
@end
#endif // CHROME_BROWSER_UI_COCOA_AUTOFILL_AUTOFILL_LAYOUT_H_
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