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/*
* Copyright 2017 Google
*
* Licensed 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 "FIRMessagingInstanceIDProxy.h"
@implementation FIRMessagingInstanceIDProxy
+ (nonnull instancetype)instanceIDProxy {
static id proxyInstanceID = nil;
static dispatch_once_t onceToken;
dispatch_once(&onceToken, ^{
Class instanceIDClass = NSClassFromString(@"FIRInstanceID");
if (!instanceIDClass) {
proxyInstanceID = nil;
return;
}
SEL instanceIDSelector = NSSelectorFromString(@"instanceID");
if (![instanceIDClass respondsToSelector:instanceIDSelector]) {
proxyInstanceID = nil;
return;
}
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Warc-performSelector-leaks"
proxyInstanceID = [instanceIDClass performSelector:instanceIDSelector];
#pragma clang diagnostic pop
});
return (FIRMessagingInstanceIDProxy *)proxyInstanceID;
}
- (void)setAPNSToken:(nonnull NSData *)token
type:(FIRMessagingInstanceIDProxyAPNSTokenType)type {
id proxy = [[self class] instanceIDProxy];
SEL setAPNSTokenSelector = NSSelectorFromString(@"setAPNSToken:type:");
if (![proxy respondsToSelector:setAPNSTokenSelector]) {
return;
}
// Since setAPNSToken takes a scalar value, use NSInvocation
NSMethodSignature *methodSignature =
[[proxy class] instanceMethodSignatureForSelector:setAPNSTokenSelector];
NSInvocation *invocation = [NSInvocation invocationWithMethodSignature:methodSignature];
invocation.selector = setAPNSTokenSelector;
invocation.target = proxy;
[invocation setArgument:&token atIndex:2];
[invocation setArgument:&type atIndex:3];
[invocation invoke];
}
#pragma mark - Tokens
- (nullable NSString *)token {
id proxy = [[self class] instanceIDProxy];
SEL getTokenSelector = NSSelectorFromString(@"token");
if (![proxy respondsToSelector:getTokenSelector]) {
return nil;
}
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Warc-performSelector-leaks"
return [proxy performSelector:getTokenSelector];
#pragma clang diagnostic pop
}
- (void)tokenWithAuthorizedEntity:(nonnull NSString *)authorizedEntity
scope:(nonnull NSString *)scope
options:(nullable NSDictionary *)options
handler:(nonnull FIRMessagingInstanceIDProxyTokenHandler)handler {
id proxy = [[self class] instanceIDProxy];
SEL getTokenSelector = NSSelectorFromString(@"tokenWithAuthorizedEntity:scope:options:handler:");
if (![proxy respondsToSelector:getTokenSelector]) {
return;
}
// Since there are >2 arguments, use NSInvocation
NSMethodSignature *methodSignature =
[[proxy class] instanceMethodSignatureForSelector:getTokenSelector];
NSInvocation *invocation = [NSInvocation invocationWithMethodSignature:methodSignature];
invocation.selector = getTokenSelector;
invocation.target = proxy;
[invocation setArgument:&authorizedEntity atIndex:2];
[invocation setArgument:&scope atIndex:3];
[invocation setArgument:&options atIndex:4];
[invocation setArgument:&handler atIndex:5];
[invocation invoke];
}
- (void)deleteTokenWithAuthorizedEntity:(nonnull NSString *)authorizedEntity
scope:(nonnull NSString *)scope
handler:
(nonnull FIRMessagingInstanceIDProxyDeleteTokenHandler)handler {
id proxy = [[self class] instanceIDProxy];
SEL deleteTokenSelector = NSSelectorFromString(@"deleteTokenWithAuthorizedEntity:scope:handler:");
if (![proxy respondsToSelector:deleteTokenSelector]) {
return;
}
// Since there are >2 arguments, use NSInvocation
NSMethodSignature *methodSignature =
[[proxy class] instanceMethodSignatureForSelector:deleteTokenSelector];
NSInvocation *invocation = [NSInvocation invocationWithMethodSignature:methodSignature];
invocation.selector = deleteTokenSelector;
invocation.target = proxy;
[invocation setArgument:&authorizedEntity atIndex:2];
[invocation setArgument:&scope atIndex:3];
[invocation setArgument:&handler atIndex:4];
[invocation invoke];
}
@end
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