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4871fe153a
Arguably these are different things, and it will be easier to proxy events for atk this way because atk only wants the numeric value changes.
123 lines
3.2 KiB
Plaintext
123 lines
3.2 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 "mozTableAccessible.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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// Note that we can use ProxyAccessible::IsTable* functions here because they
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// do not use IPC calls but that might change after bug 1210477.
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Class type;
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if (aProxy->IsTable())
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type = [mozTableAccessible class];
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else if (aProxy->IsTableRow())
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type = [mozTableRowAccessible class];
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else if (aProxy->IsTableCell())
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type = [mozTableCellAccessible class];
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else
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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_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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void
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ProxyTextChangeEvent(ProxyAccessible*, const nsString&, int32_t, uint32_t,
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bool, bool)
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{
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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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