mirror of
https://gitee.com/shuto-github/phonegap-mobile-accessibility.git
synced 2026-05-26 00:00:06 +08:00
Add additional iOS accessibility features
Adds support for detecting: - Bold Text - Darker System Colors - Grayscale - Reduce Motion - Reduce Transparency - Speak Screen - Speak Selection - Switch Control Running
This commit is contained in:
Michael Jordan
@@ -26,38 +26,57 @@ static const int BASE_UI_FONT_TEXT_STYLE_BODY_POINT_SIZE = 16;
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@interface CDVMobileAccessibility : CDVPlugin {
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NSString* callbackId;
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NSString* commandCallbackId;
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BOOL voiceOverRunning;
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BOOL boldTextEnabled;
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BOOL closedCaptioningEnabled;
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BOOL darkerSystemColorsEnabled;
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BOOL grayscaleEnabled;
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BOOL guidedAccessEnabled;
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BOOL invertColorsEnabled;
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BOOL monoAudioEnabled;
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BOOL reduceMotionEnabled;
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BOOL reduceTransparencyEnabled;
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BOOL speakScreenEnabled;
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BOOL speakSelectionEnabled;
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BOOL switchControlRunning;
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BOOL voiceOverRunning;
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}
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@property (strong) NSString* callbackId;
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@property (strong) NSString* commandCallbackId;
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@property BOOL voiceOverRunning;
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@property BOOL boldTextEnabled;
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@property BOOL closedCaptioningEnabled;
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@property BOOL darkerSystemColorsEnabled;
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@property BOOL grayscaleEnabled;
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@property BOOL guidedAccessEnabled;
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@property BOOL invertColorsEnabled;
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@property BOOL monoAudioEnabled;
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@property BOOL reduceMotionEnabled;
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@property BOOL reduceTransparencyEnabled;
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@property BOOL speakScreenEnabled;
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@property BOOL speakSelectionEnabled;
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@property BOOL switchControlRunning;
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@property BOOL voiceOverRunning;
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@property double mFontScale;
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- (void) isScreenReaderRunning:(CDVInvokedUrlCommand*)command;
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- (void) isBoldTextEnabled:(CDVInvokedUrlCommand*)command;
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- (void) isClosedCaptioningEnabled:(CDVInvokedUrlCommand*)command;
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- (void) isDarkerSystemColorsEnabled:(CDVInvokedUrlCommand*)command;
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- (void) isGrayscaleEnabled:(CDVInvokedUrlCommand*)command;
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- (void) isGuidedAccessEnabled:(CDVInvokedUrlCommand*)command;
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- (void) isInvertColorsEnabled:(CDVInvokedUrlCommand*)command;
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- (void) isMonoAudioEnabled:(CDVInvokedUrlCommand*)command;
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- (void) isReduceMotionEnabled:(CDVInvokedUrlCommand*)command;
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- (void) isReduceTransparencyEnabled:(CDVInvokedUrlCommand*)command;
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- (void) isScreenReaderRunning:(CDVInvokedUrlCommand*)command;
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- (void) isSpeakScreenEnabled:(CDVInvokedUrlCommand*)command;
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- (void) isSpeakSelectionEnabled:(CDVInvokedUrlCommand*)command;
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- (void) isSwitchControlRunning:(CDVInvokedUrlCommand*)command;
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- (void) getTextZoom:(CDVInvokedUrlCommand*)command;
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- (void) setTextZoom:(CDVInvokedUrlCommand*)command;
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- (void) updateTextZoom:(CDVInvokedUrlCommand*)command;
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- (void) isReduceMotionEnabled:(CDVInvokedUrlCommand*)command;
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- (void) postNotification:(CDVInvokedUrlCommand*)command;
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- (void) start:(CDVInvokedUrlCommand*)command;
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- (void) stop:(CDVInvokedUrlCommand*)command;
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@end
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@end
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@@ -33,13 +33,20 @@
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@synthesize callbackId;
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@synthesize commandCallbackId;
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@synthesize voiceOverRunning;
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@synthesize boldTextEnabled;
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@synthesize closedCaptioningEnabled;
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@synthesize darkerSystemColorsEnabled;
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@synthesize grayscaleEnabled;
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@synthesize guidedAccessEnabled;
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@synthesize invertColorsEnabled;
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@synthesize monoAudioEnabled;
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@synthesize mFontScale;
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@synthesize reduceMotionEnabled;
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@synthesize reduceTransparencyEnabled;
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@synthesize speakScreenEnabled;
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@synthesize speakSelectionEnabled;
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@synthesize switchControlRunning;
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@synthesize voiceOverRunning;
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@synthesize mFontScale;
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#define iOS7Delta (([[[UIDevice currentDevice] systemVersion] floatValue] >= 7.0 ) ? 20 : 0 )
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#define iOS8Delta (([[[UIDevice currentDevice] systemVersion] floatValue] >= 8.0 ) ? 30 : 0 )
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@@ -106,11 +113,15 @@
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#pragma Plugin interface
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- (void)isScreenReaderRunning:(CDVInvokedUrlCommand*)command
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- (void)isBoldTextEnabled:(CDVInvokedUrlCommand*)command
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{
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[self.commandDelegate runInBackground:^{
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self.voiceOverRunning = UIAccessibilityIsVoiceOverRunning();
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CDVPluginResult* result = [CDVPluginResult resultWithStatus:CDVCommandStatus_OK messageAsBool:self.voiceOverRunning];
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if (iOS8Delta) {
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self.boldTextEnabled = UIAccessibilityIsBoldTextEnabled();
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} else {
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self.boldTextEnabled = false;
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}
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CDVPluginResult* result = [CDVPluginResult resultWithStatus:CDVCommandStatus_OK messageAsBool:self.boldTextEnabled];
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[self.commandDelegate sendPluginResult:result callbackId:command.callbackId];
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}];
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}
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@@ -124,6 +135,32 @@
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}];
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}
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- (void)isDarkerSystemColorsEnabled:(CDVInvokedUrlCommand*)command
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{
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[self.commandDelegate runInBackground:^{
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if (iOS8Delta) {
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self.darkerSystemColorsEnabled = UIAccessibilityDarkerSystemColorsEnabled();
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} else {
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self.darkerSystemColorsEnabled = false;
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}
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CDVPluginResult* result = [CDVPluginResult resultWithStatus:CDVCommandStatus_OK messageAsBool:self.darkerSystemColorsEnabled];
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[self.commandDelegate sendPluginResult:result callbackId:command.callbackId];
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}];
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}
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- (void)isGrayscaleEnabled:(CDVInvokedUrlCommand*)command
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{
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[self.commandDelegate runInBackground:^{
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if (iOS8Delta) {
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self.grayscaleEnabled = UIAccessibilityIsGrayscaleEnabled();
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} else {
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self.grayscaleEnabled = false;
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}
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CDVPluginResult* result = [CDVPluginResult resultWithStatus:CDVCommandStatus_OK messageAsBool:self.grayscaleEnabled];
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[self.commandDelegate sendPluginResult:result callbackId:command.callbackId];
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}];
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}
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- (void)isGuidedAccessEnabled:(CDVInvokedUrlCommand*)command
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{
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[self.commandDelegate runInBackground:^{
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@@ -151,6 +188,80 @@
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}];
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}
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- (void)isReduceMotionEnabled:(CDVInvokedUrlCommand*)command
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{
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[self.commandDelegate runInBackground:^{
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if (iOS8Delta) {
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self.reduceMotionEnabled = UIAccessibilityIsReduceMotionEnabled();
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} else {
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self.reduceMotionEnabled = false;
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}
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CDVPluginResult* result = [CDVPluginResult resultWithStatus:CDVCommandStatus_OK messageAsBool:self.reduceMotionEnabled];
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[self.commandDelegate sendPluginResult:result callbackId:command.callbackId];
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}];
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}
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- (void)isReduceTransparencyEnabled:(CDVInvokedUrlCommand*)command
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{
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[self.commandDelegate runInBackground:^{
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if (iOS8Delta) {
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self.reduceTransparencyEnabled = UIAccessibilityIsReduceTransparencyEnabled();
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} else {
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self.reduceTransparencyEnabled = false;
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}
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CDVPluginResult* result = [CDVPluginResult resultWithStatus:CDVCommandStatus_OK messageAsBool:self.reduceTransparencyEnabled];
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[self.commandDelegate sendPluginResult:result callbackId:command.callbackId];
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}];
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}
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- (void)isScreenReaderRunning:(CDVInvokedUrlCommand*)command
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{
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[self.commandDelegate runInBackground:^{
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self.voiceOverRunning = UIAccessibilityIsVoiceOverRunning();
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CDVPluginResult* result = [CDVPluginResult resultWithStatus:CDVCommandStatus_OK messageAsBool:self.voiceOverRunning];
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[self.commandDelegate sendPluginResult:result callbackId:command.callbackId];
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}];
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}
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- (void)isSpeakScreenEnabled:(CDVInvokedUrlCommand*)command
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{
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[self.commandDelegate runInBackground:^{
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if (iOS8Delta) {
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self.speakScreenEnabled = UIAccessibilityIsSpeakScreenEnabled();
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} else {
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self.speakScreenEnabled = false;
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}
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CDVPluginResult* result = [CDVPluginResult resultWithStatus:CDVCommandStatus_OK messageAsBool:self.speakScreenEnabled];
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[self.commandDelegate sendPluginResult:result callbackId:command.callbackId];
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}];
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}
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- (void)isSpeakSelectionEnabled:(CDVInvokedUrlCommand*)command
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{
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[self.commandDelegate runInBackground:^{
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if (iOS8Delta) {
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self.speakSelectionEnabled = UIAccessibilityIsSpeakSelectionEnabled();
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} else {
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self.speakSelectionEnabled = false;
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}
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CDVPluginResult* result = [CDVPluginResult resultWithStatus:CDVCommandStatus_OK messageAsBool:self.speakSelectionEnabled];
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[self.commandDelegate sendPluginResult:result callbackId:command.callbackId];
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}];
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}
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- (void)isSwitchControlRunning:(CDVInvokedUrlCommand*)command
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{
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[self.commandDelegate runInBackground:^{
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if (iOS8Delta) {
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self.switchControlRunning = UIAccessibilityIsSwitchControlRunning();
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} else {
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self.switchControlRunning = false;
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}
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CDVPluginResult* result = [CDVPluginResult resultWithStatus:CDVCommandStatus_OK messageAsBool:self.switchControlRunning];
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[self.commandDelegate sendPluginResult:result callbackId:command.callbackId];
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}];
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}
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-(double) mGetFontScale
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{
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double fontScale = 1;
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@@ -217,20 +328,6 @@
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}
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}
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- (void)isReduceMotionEnabled:(CDVInvokedUrlCommand*)command
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{
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[self.commandDelegate runInBackground:^{
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if (iOS8Delta) {
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self.reduceMotionEnabled = UIAccessibilityIsReduceMotionEnabled();
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} else {
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self.reduceMotionEnabled = false;
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}
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CDVPluginResult* result = [CDVPluginResult resultWithStatus:CDVCommandStatus_OK messageAsBool:self.reduceMotionEnabled];
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[self.commandDelegate sendPluginResult:result callbackId:command.callbackId];
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}];
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}
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- (void)postNotification:(CDVInvokedUrlCommand *)command
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{
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CDVPluginResult* result = nil;
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@@ -240,7 +337,6 @@
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if (notificationString == nil) {
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notificationString = @"";
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}
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if (UIAccessibilityIsVoiceOverRunning() &&
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[self isValidNotificationType:notificationType]) {
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[self.commandDelegate runInBackground:^{
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@@ -319,20 +415,34 @@
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/* Get the current mobile accessibility status. */
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- (NSDictionary*)getMobileAccessibilityStatus
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{
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self.voiceOverRunning = UIAccessibilityIsVoiceOverRunning();
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self.boldTextEnabled = UIAccessibilityIsBoldTextEnabled();
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self.closedCaptioningEnabled = [self getClosedCaptioningEnabledStatus];
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self.darkerSystemColorsEnabled = UIAccessibilityDarkerSystemColorsEnabled();
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self.grayscaleEnabled = UIAccessibilityIsGrayscaleEnabled();
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self.guidedAccessEnabled = UIAccessibilityIsGuidedAccessEnabled();
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self.invertColorsEnabled = UIAccessibilityIsInvertColorsEnabled();
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self.monoAudioEnabled = UIAccessibilityIsMonoAudioEnabled();
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self.reduceMotionEnabled = UIAccessibilityIsReduceMotionEnabled();
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self.reduceTransparencyEnabled = UIAccessibilityIsReduceTransparencyEnabled();
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self.speakScreenEnabled = UIAccessibilityIsSpeakScreenEnabled();
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self.speakSelectionEnabled = UIAccessibilityIsSpeakSelectionEnabled();
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self.switchControlRunning = UIAccessibilityIsSwitchControlRunning();
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self.voiceOverRunning = UIAccessibilityIsVoiceOverRunning();
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NSMutableDictionary* mobileAccessibilityData = [NSMutableDictionary dictionaryWithCapacity:5];
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[mobileAccessibilityData setObject:[NSNumber numberWithBool:self.voiceOverRunning] forKey:@"isScreenReaderRunning"];
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[mobileAccessibilityData setObject:[NSNumber numberWithBool:self.boldTextEnabled] forKey:@"isBoldTextEnabled"];
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[mobileAccessibilityData setObject:[NSNumber numberWithBool:self.closedCaptioningEnabled] forKey:@"isClosedCaptioningEnabled"];
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[mobileAccessibilityData setObject:[NSNumber numberWithBool:self.darkerSystemColorsEnabled] forKey:@"isDarkerSystemColorsEnabled"];
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[mobileAccessibilityData setObject:[NSNumber numberWithBool:self.grayscaleEnabled] forKey:@"isGrayscaleEnabled"];
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[mobileAccessibilityData setObject:[NSNumber numberWithBool:self.guidedAccessEnabled] forKey:@"isGuidedAccessEnabled"];
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[mobileAccessibilityData setObject:[NSNumber numberWithBool:self.invertColorsEnabled] forKey:@"isInvertColorsEnabled"];
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[mobileAccessibilityData setObject:[NSNumber numberWithBool:self.monoAudioEnabled] forKey:@"isMonoAudioEnabled"];
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[mobileAccessibilityData setObject:[NSNumber numberWithBool:self.reduceMotionEnabled] forKey:@"isReduceMotionEnabled"];
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[mobileAccessibilityData setObject:[NSNumber numberWithBool:self.reduceTransparencyEnabled] forKey:@"isReduceTransparencyEnabled"];
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[mobileAccessibilityData setObject:[NSNumber numberWithBool:self.speakScreenEnabled] forKey:@"isSpeakScreenEnabled"];
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[mobileAccessibilityData setObject:[NSNumber numberWithBool:self.speakSelectionEnabled] forKey:@"isSpeakSelectionEnabled"];
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[mobileAccessibilityData setObject:[NSNumber numberWithBool:self.switchControlRunning] forKey:@"isSwitchControlRunning"];
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[mobileAccessibilityData setObject:[NSNumber numberWithBool:self.voiceOverRunning] forKey:@"isScreenReaderRunning"];
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return mobileAccessibilityData;
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}
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@@ -342,12 +452,22 @@
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{
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[self.commandDelegate runInBackground:^{
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self.callbackId = command.callbackId;
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[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(mobileAccessibilityStatusChanged:) name:UIAccessibilityVoiceOverStatusChanged object:nil];
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[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(mobileAccessibilityStatusChanged:) name:UIAccessibilityClosedCaptioningStatusDidChangeNotification object:nil];
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[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(mobileAccessibilityStatusChanged:) name:UIAccessibilityGuidedAccessStatusDidChangeNotification object:nil];
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[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(mobileAccessibilityStatusChanged:) name:UIAccessibilityInvertColorsStatusDidChangeNotification object:nil];
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[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(mobileAccessibilityStatusChanged:) name:UIAccessibilityMonoAudioStatusDidChangeNotification object:nil];
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[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(mobileAccessibilityStatusChanged:) name:UIAccessibilityReduceMotionStatusDidChangeNotification object:nil];
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[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(mobileAccessibilityStatusChanged:) name:UIAccessibilityVoiceOverStatusChanged object:nil];
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if (iOS8Delta) {
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[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(mobileAccessibilityStatusChanged:) name:UIAccessibilityBoldTextStatusDidChangeNotification object:nil];
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[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(mobileAccessibilityStatusChanged:) name:UIAccessibilityDarkerSystemColorsStatusDidChangeNotification object:nil];
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[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(mobileAccessibilityStatusChanged:) name:UIAccessibilityGrayscaleStatusDidChangeNotification object:nil];
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[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(mobileAccessibilityStatusChanged:) name:UIAccessibilityReduceMotionStatusDidChangeNotification object:nil];
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[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(mobileAccessibilityStatusChanged:) name:UIAccessibilityReduceTransparencyStatusDidChangeNotification object:nil];
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[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(mobileAccessibilityStatusChanged:) name:UIAccessibilitySpeakScreenStatusDidChangeNotification object:nil];
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[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(mobileAccessibilityStatusChanged:) name:UIAccessibilitySpeakSelectionStatusDidChangeNotification object:nil];
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[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(mobileAccessibilityStatusChanged:) name:UIAccessibilitySwitchControlStatusDidChangeNotification object:nil];
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}
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// Update the callback on start
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CDVPluginResult* result = [CDVPluginResult resultWithStatus:CDVCommandStatus_OK messageAsDictionary:[self getMobileAccessibilityStatus]];
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@@ -368,13 +488,23 @@
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[self.commandDelegate sendPluginResult:result callbackId:self.callbackId];
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}
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self.callbackId = nil;
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[[NSNotificationCenter defaultCenter] removeObserver:self name:UIAccessibilityVoiceOverStatusChanged object:nil];
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[[NSNotificationCenter defaultCenter] removeObserver:self name:UIAccessibilityClosedCaptioningStatusDidChangeNotification object:nil];
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[[NSNotificationCenter defaultCenter] removeObserver:self name:UIAccessibilityGuidedAccessStatusDidChangeNotification object:nil];
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[[NSNotificationCenter defaultCenter] removeObserver:self name:UIAccessibilityInvertColorsStatusDidChangeNotification object:nil];
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[[NSNotificationCenter defaultCenter] removeObserver:self name:UIAccessibilityAnnouncementDidFinishNotification object:nil];
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[[NSNotificationCenter defaultCenter] removeObserver:self name:UIAccessibilityMonoAudioStatusDidChangeNotification object:nil];
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[[NSNotificationCenter defaultCenter] removeObserver:self name:UIAccessibilityReduceMotionStatusDidChangeNotification object:nil];
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[[NSNotificationCenter defaultCenter] removeObserver:self name:UIAccessibilityVoiceOverStatusChanged object:nil];
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if (iOS8Delta) {
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[[NSNotificationCenter defaultCenter] removeObserver:self name:UIAccessibilityBoldTextStatusDidChangeNotification object:nil];
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[[NSNotificationCenter defaultCenter] removeObserver:self name:UIAccessibilityDarkerSystemColorsStatusDidChangeNotification object:nil];
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[[NSNotificationCenter defaultCenter] removeObserver:self name:UIAccessibilityGrayscaleStatusDidChangeNotification object:nil];
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[[NSNotificationCenter defaultCenter] removeObserver:self name:UIAccessibilityReduceMotionStatusDidChangeNotification object:nil];
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[[NSNotificationCenter defaultCenter] removeObserver:self name:UIAccessibilityReduceTransparencyStatusDidChangeNotification object:nil];
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[[NSNotificationCenter defaultCenter] removeObserver:self name:UIAccessibilitySpeakScreenStatusDidChangeNotification object:nil];
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[[NSNotificationCenter defaultCenter] removeObserver:self name:UIAccessibilitySpeakSelectionStatusDidChangeNotification object:nil];
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[[NSNotificationCenter defaultCenter] removeObserver:self name:UIAccessibilitySwitchControlStatusDidChangeNotification object:nil];
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}
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}];
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}
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