mirror of
https://github.com/Tencent/Hippy.git
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luomy
113 lines
4.4 KiB
Plaintext
113 lines
4.4 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 <UIKit/UIKit.h>
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#import "HippyBridge+VFSLoader.h"
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#import "HippyImageLoaderModule.h"
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#import "HPToolUtils.h"
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#import "HippyDefines.h"
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static NSString *const kImageLoaderModuleErrorDomain = @"kImageLoaderModuleErrorDomain";
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static NSUInteger const ImageLoaderErrorParseError = 2;
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static NSUInteger const ImageLoaderErrorRequestError = 3;
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static NSUInteger const ImageLoaderErrorNoProviderError = 4;
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@interface HippyImageLoaderModule () {
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}
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@end
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@implementation HippyImageLoaderModule
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HIPPY_EXPORT_MODULE(ImageLoaderModule)
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@synthesize bridge = _bridge;
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- (id<HPImageProviderProtocol>)imageProviderForData:(NSData *)data {
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NSArray<Class<HPImageProviderProtocol>> *providers = [self.bridge imageProviderClasses];
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for (Class<HPImageProviderProtocol> cls in providers) {
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if ([cls canHandleData:data]) {
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id<HPImageProviderProtocol> object = [[(Class)cls alloc] init];
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[object setImageData:data];
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return object;
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}
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}
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return nil;
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}
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// clang-format off
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HIPPY_EXPORT_METHOD(getSize:(NSString *)urlString resolver:(HippyPromiseResolveBlock)resolve rejecter:(HippyPromiseRejectBlock)reject) {
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[self.bridge loadContentsAsynchronouslyFromUrl:urlString
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method:@"Get"
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params:nil
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body:nil
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queue:nil
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progress:nil
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completionHandler:^(NSData *data, NSURLResponse *response, NSError *error) {
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if (!error) {
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id<HPImageProviderProtocol> imageProvider = [self imageProviderForData:data];
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if (!imageProvider) {
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NSError *error = [NSError errorWithDomain:kImageLoaderModuleErrorDomain
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code:ImageLoaderErrorParseError userInfo:@{@"reason": @"no image provider error"}];
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NSString *errorKey = [NSString stringWithFormat:@"%lu", ImageLoaderErrorNoProviderError];
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reject(errorKey, @"image parse error", error);
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return;
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}
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imageProvider.imageDataPath = urlString;
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[imageProvider setImageData:data];
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UIImage *retImage = [imageProvider image];
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if (retImage) {
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NSDictionary *dic = @{@"width": @(retImage.size.width), @"height": @(retImage.size.height)};
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resolve(dic);
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}
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else {
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NSError *error = [NSError errorWithDomain:kImageLoaderModuleErrorDomain
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code:ImageLoaderErrorParseError userInfo:@{@"reason": @"image parse error"}];
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NSString *errorKey = [NSString stringWithFormat:@"%lu", ImageLoaderErrorParseError];
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reject(errorKey, @"image parse error", error);
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}
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}
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else {
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NSString *errorKey = [NSString stringWithFormat:@"%lu", ImageLoaderErrorRequestError];
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reject(errorKey, @"image request error", error);
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}
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}];
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}
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// clang-format on
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// clang-format off
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HIPPY_EXPORT_METHOD(prefetch:(NSString *)urlString) {
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[self.bridge loadContentsAsynchronouslyFromUrl:urlString
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method:@"Get"
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params:nil
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body:nil
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queue:nil
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progress:nil
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completionHandler:^(NSData *data, NSURLResponse *response, NSError *error) {
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}];
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}
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// clang-format on
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@end
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