0735a4306d
Found the following memory leaks using Xcode's Instruments application: 1. Posting an NSAccessibilityUIElementDestroyedNotification notification causes [ AquaA11yWrapper isAccessibilityElement ] to be called on the object so mark the object as disposed before posting the destroyed notification and test for disposed in all of the standard NSAccessibility selectors to prevent any calls to likely disposed C++ accessibility objects. 2. In [ AquaA11yWrapper accessibilityHitTest: ], [ AquaA11yFactory wrapperForAccessibleContext: ] already retains the returned object so retaining it until the next call to this selector can lead to a memory leak when dragging selected cells in Calc to a new location. So autorelease the object so that transient objects stay alive but not past the next clearing of the autorelease pool. 3. [ AquaA11ySelectionWrapper selectedChildrenAttributeForElement: ] is expected to return an autoreleased object. 4. [ AquaA11yFactory wrapperForAccessible: ] is not a getter. It expects the caller to release the returned object. 5. CreateNSString() is not a getter. It expects the caller to release the returned string. Change-Id: I824740d7e3851b0c3e31e2c009860aa822c94222 Reviewed-on: https://gerrit.libreoffice.org/c/core/+/168034 Reviewed-by: Patrick Luby <guibomacdev@gmail.com> Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk> Tested-by: Jenkins
56 lines
2.1 KiB
Text
56 lines
2.1 KiB
Text
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#include <vcl/svapp.hxx>
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#include <osx/salinst.h>
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#include "a11ywrapperrow.h"
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#include "a11ytextwrapper.h"
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// Wrapper for AXRow role
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@implementation AquaA11yWrapperRow : AquaA11yWrapper
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-(id)disclosingAttribute {
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// TODO: implement
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return nil;
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}
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-(NSArray *)accessibilityAttributeNames {
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// Related: tdf#148453 Acquire solar mutex during native accessibility calls
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SolarMutexGuard aGuard;
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if ( mIsDisposed )
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return [ NSArray array ];
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// Default Attributes
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NSMutableArray * attributeNames = [ NSMutableArray arrayWithArray: [ super accessibilityAttributeNames ] ];
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// Special Attributes and removing unwanted attributes depending on role
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[ attributeNames removeObjectsInArray: [ AquaA11yTextWrapper specialAttributeNames ] ];
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[ attributeNames removeObject: NSAccessibilityTitleAttribute ];
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[ attributeNames removeObject: NSAccessibilityEnabledAttribute ];
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[ attributeNames removeObject: NSAccessibilityFocusedAttribute ];
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[ attributeNames addObject: NSAccessibilitySelectedAttribute ];
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[ attributeNames addObject: NSAccessibilityDisclosingAttribute ];
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return attributeNames;
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}
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@end
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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