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980d366234
Backed out changeset 65d9144969e4 (bug 1172516) Backed out changeset 3368f2dc0ee6 (bug 1172523) Backed out changeset d6096f9659f7 (bug 1172523) Backed out changeset cda3d99ef134 (bug 1172523) Backed out changeset a411d320bdba (bug 1172525) CLOSED TREE --HG-- extra : histedit_source : fc97de5cf682142a7e5a67bd32d1bd85ad0c24ea
105 lines
2.6 KiB
Plaintext
105 lines
2.6 KiB
Plaintext
/* -*- Mode: Objective-C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=2 et sw=2 tw=80: */
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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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#import <Cocoa/Cocoa.h>
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#include "Platform.h"
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#include "ProxyAccessible.h"
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#include "nsAppShell.h"
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namespace mozilla {
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namespace a11y {
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// Mac a11y whitelisting
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static bool sA11yShouldBeEnabled = false;
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bool
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ShouldA11yBeEnabled()
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{
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EPlatformDisabledState disabledState = PlatformDisabledState();
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return (disabledState == ePlatformIsForceEnabled) || ((disabledState == ePlatformIsEnabled) && sA11yShouldBeEnabled);
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}
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void
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PlatformInit()
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{
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}
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void
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PlatformShutdown()
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{
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}
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void
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ProxyCreated(ProxyAccessible* aProxy, uint32_t)
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{
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// Pass in dummy state for now as retrieving proxy state requires IPC.
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Class type = GetTypeFromRole(aProxy->Role());
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uintptr_t accWrap = reinterpret_cast<uintptr_t>(aProxy) | IS_PROXY;
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mozAccessible* mozWrapper = [[type alloc] initWithAccessible:accWrap];
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aProxy->SetWrapper(reinterpret_cast<uintptr_t>(mozWrapper));
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}
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void
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ProxyDestroyed(ProxyAccessible* aProxy)
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{
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mozAccessible* wrapper = GetNativeFromProxy(aProxy);
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[wrapper expire];
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[wrapper release];
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aProxy->SetWrapper(0);
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}
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void
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ProxyEvent(ProxyAccessible* aProxy, uint32_t aEventType)
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{
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// ignore everything but focus-changed, value-changed, caret and selection
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// events for now.
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if (aEventType != nsIAccessibleEvent::EVENT_FOCUS &&
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aEventType != nsIAccessibleEvent::EVENT_VALUE_CHANGE &&
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aEventType != nsIAccessibleEvent::EVENT_TEXT_CARET_MOVED &&
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aEventType != nsIAccessibleEvent::EVENT_TEXT_SELECTION_CHANGED)
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return;
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mozAccessible* wrapper = GetNativeFromProxy(aProxy);
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if (wrapper)
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FireNativeEvent(wrapper, aEventType);
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}
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void
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ProxyStateChangeEvent(ProxyAccessible* aProxy, uint64_t, bool)
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{
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// mac doesn't care about state change events
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}
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void
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ProxyCaretMoveEvent(ProxyAccessible* aTarget, int32_t aOffset)
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{
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mozAccessible* wrapper = GetNativeFromProxy(aTarget);
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if (wrapper)
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[wrapper selectedTextDidChange];
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}
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} // namespace a11y
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} // namespace mozilla
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@interface GeckoNSApplication(a11y)
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-(void)accessibilitySetValue:(id)value forAttribute:(NSString*)attribute;
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@end
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@implementation GeckoNSApplication(a11y)
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-(void)accessibilitySetValue:(id)value forAttribute:(NSString*)attribute
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{
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if ([attribute isEqualToString:@"AXEnhancedUserInterface"])
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mozilla::a11y::sA11yShouldBeEnabled = ([value intValue] == 1);
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return [super accessibilitySetValue:value forAttribute:attribute];
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}
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@end
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