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Implement isVoiceOverRunning and isClosedCaptioningEnabled methods for iOS

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Also implement VoiceOverStatusChanged and
ClosedCaptioningStatusDidChange notifications
This commit is contained in:
Michael Jordan
2013-12-02 18:43:59 -05:00
parent 883d41449e
commit 97dd76c7df
3 changed files with 136 additions and 7 deletions
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src/ios/CDVMobileAccessibility.m
+64 -3
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@@ -26,6 +26,8 @@
@implementation CDVMobileAccessibility
@synthesize callbackId;
// //////////////////////////////////////////////////
- (id)settingForKey:(NSString*)key
@@ -49,16 +51,75 @@
- (void)dealloc
{
// since this is ARC, remove observers only
[self stop:nil];
}
- (void)onReset
{
[self stop:nil];
}
// //////////////////////////////////////////////////
#pragma Plugin interface
- (void) isVoiceOverRunning:(CDVInvokedUrlCommand*)command
- (void)isVoiceOverRunning:(CDVInvokedUrlCommand*)command
{
// TODO:
CDVPluginResult* result = [CDVPluginResult resultWithStatus:CDVCommandStatus_OK messageAsBool:UIAccessibilityIsVoiceOverRunning()];
[self.commandDelegate sendPluginResult:result callbackId:command.callbackId];
}
- (void)isClosedCaptioningEnabled:(CDVInvokedUrlCommand*)command
{
CDVPluginResult* result = [CDVPluginResult resultWithStatus:CDVCommandStatus_OK messageAsBool:UIAccessibilityIsClosedCaptioningEnabled()];
[self.commandDelegate sendPluginResult:result callbackId:command.callbackId];
}
- (void)mobileAccessibilityStatusChanged:(NSNotification *)notification
{
if (self.callbackId) {
CDVPluginResult* result = [CDVPluginResult resultWithStatus:CDVCommandStatus_OK messageAsDictionary:[self getMobileAccessibilityStatus]];
[result setKeepCallbackAsBool:YES];
[self.commandDelegate sendPluginResult:result callbackId:self.callbackId];
}
}
/* Get the current mobile accessibility status. */
- (NSDictionary*)getMobileAccessibilityStatus
{
NSMutableDictionary* mobileAccessibilityData = [NSMutableDictionary dictionaryWithCapacity:2];
[mobileAccessibilityData setObject:[NSNumber numberWithBool:UIAccessibilityIsVoiceOverRunning()] forKey:@"isVoiceOverRunning"];
[mobileAccessibilityData setObject:[NSNumber numberWithBool:UIAccessibilityIsClosedCaptioningEnabled()] forKey:@"isClosedCaptioningEnabled"];
return mobileAccessibilityData;
}
/* turn on MobileAccessibility monitoring*/
- (void)start:(CDVInvokedUrlCommand*)command
{
self.callbackId = command.callbackId;
[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(mobileAccessibilityStatusChanged:)
name:UIAccessibilityVoiceOverStatusChanged object:nil];
[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(mobileAccessibilityStatusChanged:)
name:UIAccessibilityClosedCaptioningStatusDidChangeNotification object:nil];
}
- (void)stop:(CDVInvokedUrlCommand*)command
{
// callback one last time to clear the callback function on JS side
if (self.callbackId)
{
CDVPluginResult* result = [CDVPluginResult resultWithStatus:CDVCommandStatus_OK messageAsDictionary:[self getMobileAccessibilityStatus]];
[result setKeepCallbackAsBool:NO];
[self.commandDelegate sendPluginResult:result callbackId:self.callbackId];
}
self.callbackId = nil;
[[NSNotificationCenter defaultCenter] removeObserver:self
name:UIAccessibilityVoiceOverStatusChanged object:nil];
[[NSNotificationCenter defaultCenter] removeObserver:self
name:UIAccessibilityClosedCaptioningStatusDidChangeNotification object:nil];
}
@end