ios/sdk/WeexSDK/Sources/Module/WXDarkSchemeModule.m

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

#import "WXDarkSchemeModule.h"
#import "WXSDKInstance_private.h"

@implementation WXDarkSchemeModule
{
    WXModuleKeepAliveCallback _schemeChangedCallback;
}

@synthesize weexInstance;

WX_EXPORT_METHOD_SYNC(@selector(getCurrentScheme))
WX_EXPORT_METHOD(@selector(registerSchemeChangeListener:))
WX_EXPORT_METHOD(@selector(unregisterSchemeChangeListener))

- (NSString*)getCurrentScheme
{
    return [self.weexInstance isDarkScheme] ? @"dark" : @"light";
}

- (void)registerSchemeChangeListener:(WXModuleKeepAliveCallback)callback
{
    _schemeChangedCallback = callback;
}

- (void)onInstanceSchemeChanged
{
    if (_schemeChangedCallback) {
        _schemeChangedCallback(@{@"instanceId": self.weexInstance.instanceId?:@"",
                                 @"scheme": self.weexInstance.schemeName?:@"light"},
                               YES);
    }
}

- (void)unregisterSchemeChangeListener
{
    _schemeChangedCallback = nil;
}

@end