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94 lines
2.4 KiB
Plaintext
94 lines
2.4 KiB
Plaintext
/*!
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* iOS SDK
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*
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* Tencent is pleased to support the open source community by making
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* Hippy available.
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*
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* Copyright (C) 2019 THL A29 Limited, a Tencent company.
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* All rights reserved.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#import "HippyEventObserverModule.h"
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#import "HippyEventDispatcher.h"
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#import "HippyAssert.h"
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@implementation HippyEventObserverModule {
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NSMutableDictionary *_config;
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}
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@synthesize bridge = _bridge;
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HIPPY_EXPORT_MODULE(EventObserver)
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- (dispatch_queue_t)methodQueue
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{
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return dispatch_get_main_queue();
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}
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- (instancetype)init
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{
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if (self = [super init]) {
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_config = [NSMutableDictionary new];
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}
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return self;
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}
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HIPPY_EXPORT_METHOD(addListener:(NSString *)eventName) {
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HippyAssertParam(eventName);
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NSNumber *value = _config[eventName];
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if (value == nil) {
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value = @(1);
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[self addEventObserverForName: eventName];
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} else {
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value = @(value.integerValue + 1);
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}
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_config[eventName] = value;
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}
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HIPPY_EXPORT_METHOD(removeListener:(NSString *)eventName) {
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NSNumber *value = _config[eventName];
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if (value == nil || value.integerValue == 1) {
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[_config removeObjectForKey: eventName];
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[self removeEventObserverForName: eventName];
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} else {
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value = @(value.integerValue - 1);
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_config[eventName] = value;
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}
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}
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- (void)addEventObserverForName:(__unused NSString *)eventName
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{
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// should override by subclass
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// do sth
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}
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- (void)removeEventObserverForName:(__unused NSString *)eventName
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{
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// should override by subclass
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// do sth
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}
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- (void)dealloc
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{
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[[NSNotificationCenter defaultCenter] removeObserver: self];
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}
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- (void)sendEvent:(NSString *)eventName params:(NSDictionary *)params
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{
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HippyAssertParam(eventName);
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[self.bridge.eventDispatcher dispatchEvent:@"EventDispatcher" methodName:@"receiveNativeEvent" args:@{@"eventName": eventName, @"extra": params ? : @{}}];
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}
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@end
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