linker_erp/plugins/cordova-plugin-app-preferences/src/ios/AppPreferences.m

//
//  AppPreferences.m
//
//
//  Created by Tue Topholm on 31/01/11.
//  Copyright 2011 Sugee. All rights reserved.
//
//  Modified by Ivan Baktsheev, 2012-2016
//
// THIS HAVEN'T BEEN TESTED WITH CHILD PANELS YET.

#import "AppPreferences.h"

@implementation AppPreferences

- (void)pluginInitialize
{

}

// http://useyourloaf.com/blog/sync-preference-data-with-icloud/
- (void)defaultsChanged:(NSNotification *)notification {

	NSString * jsCallBack = [NSString stringWithFormat:@"cordova.fireDocumentEvent('preferencesChanged');"];

	//	if ([notification.name isEqualToString:NSUserDefaultsDidChangeNotification])
	//	else
	if ([notification.name isEqualToString:NSUbiquitousKeyValueStoreDidChangeExternallyNotification]) {

		NSNumber *changeReasonNumber = notification.userInfo[NSUbiquitousKeyValueStoreChangeReasonKey];
		if (changeReasonNumber) {
			NSInteger changeReason = [changeReasonNumber intValue];

			// preference store can be synchronized with cloud
			// Good sync example: https://github.com/Relfos/TERRA-Engine/blob/7ef17e6b67968a40212fbb678135af0000246097/Engine/OS/iOS/ObjectiveC/TERRA_iCloudSync.m
			// Another one: http://useyourloaf.com/blog/sync-preference-data-with-icloud/
			/*

			if (changeReason == NSUbiquitousKeyValueStoreServerChange || changeReason == NSUbiquitousKeyValueStoreInitialSyncChange || changeReason == NSUbiquitousKeyValueStoreAccountChange) {
				//id localStore = [self _storeForLocation:CQSettingsLocationDevice];
				//id cloudStore = [self _storeForLocation:CQSettingsLocationCloud];

				for (NSString *key in notification.userInfo[NSUbiquitousKeyValueStoreChangedKeysKey])
					localStore[key] = cloudStore[key];
			}

			*/
		}
	}

	// https://github.com/EddyVerbruggen/cordova-plugin-3dtouch/blob/master/src/ios/app/AppDelegate+threedeetouch.m
	if ([self.webView respondsToSelector:@selector(stringByEvaluatingJavaScriptFromString:)]) {
		// UIWebView
		[self.webView performSelectorOnMainThread:@selector(stringByEvaluatingJavaScriptFromString:) withObject:jsCallBack waitUntilDone:NO];
	} else if ([self.webView respondsToSelector:@selector(evaluateJavaScript:completionHandler:)]) {
		// WKWebView
		[self.webView performSelector:@selector(evaluateJavaScript:completionHandler:) withObject:jsCallBack withObject:nil];
	} else {
		NSLog(@"No compatible method found to send notification to the webview. Please notify the plugin author.");
	}
}



- (void)watch:(CDVInvokedUrlCommand*)command
{

	__block CDVPluginResult* result = nil;

	NSDictionary* options = [self validateOptions:command];

	if (!options)
		return;

	bool watchChanges = true;
	NSNumber *subscribe = [options objectForKey:@"subscribe"];
	if (subscribe != nil) {
		watchChanges = [subscribe boolValue];
	}

	if (watchChanges) {
		[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(defaultsChanged:) name:NSUserDefaultsDidChangeNotification object:nil];
		[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(defaultsChanged:) name:NSUbiquitousKeyValueStoreDidChangeExternallyNotification object:nil];
	} else {
		[[NSNotificationCenter defaultCenter] removeObserver:self name:NSUserDefaultsDidChangeNotification object:nil];
		[[NSNotificationCenter defaultCenter] removeObserver:self name:NSUbiquitousKeyValueStoreDidChangeExternallyNotification object:nil];
	}

	[self.commandDelegate runInBackground:^{
		result = [CDVPluginResult resultWithStatus:CDVCommandStatus_OK];
	}];
}

- (NSDictionary*)validateOptions:(CDVInvokedUrlCommand*)command
{
	NSDictionary* options = [[command arguments] objectAtIndex:0];

	if (!options) {
		CDVPluginResult* result = [CDVPluginResult resultWithStatus:CDVCommandStatus_ERROR messageAsString:@"no options given"];
		[self.commandDelegate sendPluginResult:result callbackId:[command callbackId]];
		return nil;
	}

	return options;
}

- (id)getStoreForOptions:(NSDictionary*)options
{
	NSString *suiteName = [options objectForKey:@"suiteName"];
	NSString *cloudSync = [options objectForKey:@"cloudSync"];

	id dataStore = nil;

	if (suiteName != nil && ![@"" isEqualToString:suiteName]) {
		dataStore = [[NSUserDefaults alloc] initWithSuiteName:suiteName];
	} else if (cloudSync != nil) {
		dataStore = [NSUbiquitousKeyValueStore defaultStore];
	} else {
		dataStore = [NSUserDefaults standardUserDefaults];
	}

	return dataStore;
}

- (void)fetch:(CDVInvokedUrlCommand*)command
{

	__block CDVPluginResult* result = nil;

	NSDictionary* options = [self validateOptions:command];

	if (!options)
		return;

	NSString *settingsDict = [options objectForKey:@"dict"];
	NSString *settingsName = [options objectForKey:@"key"];

	id dataStore = [self getStoreForOptions:options];

	__block id target = dataStore;

	[self.commandDelegate runInBackground:^{

		// NSMutableDictionary *mutable = [[dict mutableCopy] autorelease];
		// NSDictionary *dict = [[mutable copy] autorelease];

		@try {

			NSString *returnVar;
			id settingsValue = nil;

			if (settingsDict) {
				target = [dataStore dictionaryForKey:settingsDict];
				if (target == nil) {
					returnVar = nil;
				}
			}

			if (target != nil) {
				settingsValue = [target objectForKey:settingsName];
			}

			if (settingsValue != nil) {
				if ([settingsValue isKindOfClass:[NSString class]]) {
					NSString *escaped = [(NSString*)settingsValue stringByReplacingOccurrencesOfString:@"\\" withString:@"\\\\"];
					escaped = [escaped stringByReplacingOccurrencesOfString:@"\"" withString:@"\\\""];
					returnVar = [NSString stringWithFormat:@"\"%@\"", escaped];
				} else if ([settingsValue isKindOfClass:[NSNumber class]]) {
					if ((NSNumber*)settingsValue == (void*)kCFBooleanFalse || (NSNumber*)settingsValue == (void*)kCFBooleanTrue) {
						// const char * x = [(NSNumber*)settingsValue objCType];
						// NSLog(@"boolean %@", [(NSNumber*)settingsValue boolValue] == NO ? @"false" : @"true");
						returnVar = [NSString stringWithFormat:@"%@", [(NSNumber*)settingsValue boolValue] == YES ? @"true": @"false"];
					} else {
						// TODO: int, float
						// NSLog(@"number");
						returnVar = [NSString stringWithFormat:@"%@", (NSNumber*)settingsValue];
					}

				} else if ([settingsValue isKindOfClass:[NSData class]]) { // NSData
					returnVar = [[NSString alloc] initWithData:(NSData*)settingsValue encoding:NSUTF8StringEncoding];
				}
			} else {
				// TODO: also submit dict
				returnVar = [self getSettingFromBundle:settingsName]; //Parsing Root.plist

				// if (returnVar == nil)
				// @throw [NSException exceptionWithName:nil reason:@"Key not found" userInfo:nil];;
			}

			result = [CDVPluginResult resultWithStatus:CDVCommandStatus_OK messageAsString:returnVar];

		} @catch (NSException * e) {

			result = [CDVPluginResult resultWithStatus:CDVCommandStatus_NO_RESULT messageAsString:[e reason]];

		} @finally {

			[self.commandDelegate sendPluginResult:result callbackId:[command callbackId]];
		}
	}];
}

- (void)remove:(CDVInvokedUrlCommand*)command
{

	__block CDVPluginResult* result = nil;

	NSDictionary* options = [self validateOptions:command];

	if (!options)
		return;

	NSString *settingsDict = [options objectForKey:@"dict"];
	NSString *settingsName = [options objectForKey:@"key"];

	id dataStore = [self getStoreForOptions:options];

	__block id target = dataStore;

	//[self.commandDelegate runInBackground:^{

	@try {

		NSString *returnVar;

		if (settingsDict) {
			target = [dataStore dictionaryForKey:settingsDict];
			if (target)
				target = [target mutableCopy];
		}

		if (target != nil) {
			[target removeObjectForKey:settingsName];
			if (target != dataStore)
				[dataStore setObject:(NSMutableDictionary*)target forKey:settingsDict];
			[dataStore synchronize];
		}

		result = [CDVPluginResult resultWithStatus:CDVCommandStatus_OK messageAsString:returnVar];

	} @catch (NSException * e) {

		result = [CDVPluginResult resultWithStatus:CDVCommandStatus_NO_RESULT messageAsString:[e reason]];

	} @finally {

		[self.commandDelegate sendPluginResult:result callbackId:[command callbackId]];
	}
	//}];
}

- (void)clearAll:(CDVInvokedUrlCommand*)command
{
	__block CDVPluginResult* result = nil;

	NSDictionary* options = [self validateOptions:command];

	if (!options)
		return;

	NSString *settingsDict  = [options objectForKey:@"dict"];
	NSString *suiteName     = [options objectForKey:@"suiteName"];
	NSString *cloudSync     = [options objectForKey:@"cloudSync"];

	id dataStore = [self getStoreForOptions:options];

	__block id target = dataStore;

	//[self.commandDelegate runInBackground:^{

	@try {

		NSString *appDomain;

		if (suiteName != nil) {
			appDomain = suiteName;
			[dataStore removePersistentDomainForName:appDomain];
		} else if (cloudSync) {
			for (NSString *key in [dataStore allKeys]) {
				[dataStore removeObjectForKey:key];
			}
		} else {
			appDomain = [[NSBundle mainBundle] bundleIdentifier];
			[dataStore removePersistentDomainForName:appDomain];
		}

		[dataStore synchronize];

		result = [CDVPluginResult resultWithStatus:CDVCommandStatus_OK];

	} @catch (NSException * e) {

		result = [CDVPluginResult resultWithStatus:CDVCommandStatus_NO_RESULT messageAsString:[e reason]];

	} @finally {

		[self.commandDelegate sendPluginResult:result callbackId:[command callbackId]];
	}

	//}];
}


- (void)show:(CDVInvokedUrlCommand*)command
{
	__block CDVPluginResult* result;

	if(&UIApplicationOpenSettingsURLString != nil) {

		[[UIApplication sharedApplication] openURL:[NSURL URLWithString:UIApplicationOpenSettingsURLString]];
		result = [CDVPluginResult resultWithStatus:CDVCommandStatus_OK];

	} else {
		result = [CDVPluginResult resultWithStatus:CDVCommandStatus_ERROR messageAsString:@"switching to preferences not supported"];
	}

	[self.commandDelegate sendPluginResult:result callbackId:[command callbackId]];

}

- (void)store:(CDVInvokedUrlCommand*)command
{
	__block CDVPluginResult* result;

	NSDictionary* options = [self validateOptions:command];

	if (!options)
		return;

	NSString *settingsDict  = [options objectForKey:@"dict"];
	NSString *settingsName  = [options objectForKey:@"key"];
	NSString *settingsValue = [options objectForKey:@"value"];
	NSString *settingsType  = [options objectForKey:@"type"];

	//	NSLog(@"%@ = %@ (%@)", settingsName, settingsValue, settingsType);

	//[self.commandDelegate runInBackground:^{
	id dataStore = [self getStoreForOptions:options];

	id target = dataStore;

	// NSMutableDictionary *mutable = [[dict mutableCopy] autorelease];
	// NSDictionary *dict = [[mutable copy] autorelease];

	if (settingsDict) {
		target = [[dataStore dictionaryForKey:settingsDict] mutableCopy];
		if (!target) {
			target = [[NSMutableDictionary alloc] init];
			#if !__has_feature(objc_arc)
				[target autorelease];
			#endif
		}
	}

	NSError* error = nil;
	id JSONObj = [NSJSONSerialization
				  JSONObjectWithData:[settingsValue dataUsingEncoding:NSUTF8StringEncoding]
				  options:NSJSONReadingAllowFragments
				  error:&error
				 ];

	if (error != nil) {
		NSLog(@"NSString JSONObject error: %@", [error localizedDescription]);
	}

	@try {

		if ([settingsType isEqual: @"string"] && [JSONObj isKindOfClass:[NSString class]]) {
			[target setObject:(NSString*)JSONObj forKey:settingsName];
		} else if ([settingsType  isEqual: @"number"] && [JSONObj isKindOfClass:[NSNumber class]]) {
			[target setObject:(NSNumber*)JSONObj forKey:settingsName];
			// setInteger: forKey, setFloat: forKey:
		} else if ([settingsType  isEqual: @"boolean"]) {
			[target setObject:JSONObj forKey:settingsName];
		} else {
			// data
			[target setObject:[settingsValue dataUsingEncoding:NSUTF8StringEncoding] forKey:settingsName];
		}

		if (target != dataStore)
			[dataStore setObject:(NSMutableDictionary*)target forKey:settingsDict];
		[dataStore synchronize];

		result = [CDVPluginResult resultWithStatus:CDVCommandStatus_OK];

	} @catch (NSException * e) {

		result = [CDVPluginResult resultWithStatus:CDVCommandStatus_NO_RESULT messageAsString:[e reason]];

	} @finally {

		[self.commandDelegate sendPluginResult:result callbackId:[command callbackId]];
	}
	//}];
}

/*
  Parsing the Root.plist for the key, because there is a bug/feature in Settings.bundle
  So if the user haven't entered the Settings for the app, the default values aren't accessible through NSUserDefaults.
*/

- (NSString*)getSettingFromBundle:(NSString*)settingsName
{
	NSString *pathStr = [[NSBundle mainBundle] bundlePath];
	NSString *settingsBundlePath = [pathStr stringByAppendingPathComponent:@"Settings.bundle"];
	NSString *finalPath = [settingsBundlePath stringByAppendingPathComponent:@"Root.plist"];

	NSDictionary *settingsDict = [NSDictionary dictionaryWithContentsOfFile:finalPath];
	NSArray *prefSpecifierArray = [settingsDict objectForKey:@"PreferenceSpecifiers"];
	NSDictionary *prefItem;
	for (prefItem in prefSpecifierArray)
	{
		if ([[prefItem objectForKey:@"Key"] isEqualToString:settingsName])
			return [prefItem objectForKey:@"DefaultValue"];
	}
	return nil;

}
@end