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// 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_CONSTRAINED_WINDOW_CONSTRAINED_WINDOW_SHEET_CONTROLLER_H_
#define CHROME_BROWSER_UI_COCOA_CONSTRAINED_WINDOW_CONSTRAINED_WINDOW_SHEET_CONTROLLER_H_
#import <Cocoa/Cocoa.h>
#include <vector>
#include "base/mac/scoped_nsobject.h"
#include "base/memory/scoped_vector.h"
@protocol ConstrainedWindowSheet;
// This class manages multiple tab modal sheets for a single parent window. Each
// tab can have a single sheet and only the active tab's sheet will be visible.
// A tab in this case is the |parentView| passed to |-showSheet:forParentView:|.
@interface ConstrainedWindowSheetController : NSObject {
@private
base::scoped_nsobject<NSMutableArray> sheets_;
base::scoped_nsobject<NSWindow> parentWindow_;
base::scoped_nsobject<NSView> activeView_;
}
// Returns a sheet controller for |parentWindow|. If a sheet controller does not
// exist yet then one will be created.
+ (ConstrainedWindowSheetController*)
controllerForParentWindow:(NSWindow*)parentWindow;
// Find a controller that's managing the given sheet. If no such controller
// exists then nil is returned.
+ (ConstrainedWindowSheetController*)
controllerForSheet:(id<ConstrainedWindowSheet>)sheet;
// Find the sheet attached to the given overlay window.
+ (id<ConstrainedWindowSheet>)sheetForOverlayWindow:(NSWindow*)overlayWindow;
// Shows the given sheet over |parentView|. If |parentView| is not the active
// view then the sheet is not shown until the |parentView| becomes active.
- (void)showSheet:(id<ConstrainedWindowSheet>)sheet
forParentView:(NSView*)parentView;
// Calculates the position of the sheet for the given window size.
- (NSPoint)originForSheet:(id<ConstrainedWindowSheet>)sheet
withWindowSize:(NSSize)size;
// Closes the given sheet.
- (void)closeSheet:(id<ConstrainedWindowSheet>)sheet;
// Make |parentView| the current active view. If |parentView| has an attached
// sheet then the sheet is made visible.
- (void)parentViewDidBecomeActive:(NSView*)parentView;
// Run a pulse animation for the given sheet. This does nothing if the sheet
// is not visible.
- (void)pulseSheet:(id<ConstrainedWindowSheet>)sheet;
// Gets the number of sheets attached to the controller's window.
- (int)sheetCount;
@end
#endif // CHROME_BROWSER_UI_COCOA_CONSTRAINED_WINDOW_CONSTRAINED_WINDOW_SHEET_CONTROLLER_H_
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