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Add GCImageRequestOperation

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1 parent 45f6147 commit faa87b68e322f42c21efba232d52781096723abe @GlennChiu committed Oct 24, 2012
Showing with 174 additions and 0 deletions.
  1. +49 −0 GCImageRequestOperation.h
  2. +125 −0 GCImageRequestOperation.m
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+//
+// GCImageRequestOperation.h
+// GCNetworkRequest
+//
+// Created by Glenn Chiu on 23/10/2012.
+// Copyright (c) 2012 Glenn Chiu. All rights reserved.
+//
+
+// This code is distributed under the terms and conditions of the MIT license.
+
+// Copyright (c) 2012 Glenn Chiu
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+#import "GCHTTPRequestOperation.h"
+
+@interface GCImageRequestOperation : GCHTTPRequestOperation
+
+#if TARGET_OS_IPHONE
++ (GCImageRequestOperation *)imageRequest:(GCNetworkRequest *)networkRequest
+ callBackQueue:(dispatch_queue_t)queue
+ completionHandler:(void(^)(UIImage *image, NSHTTPURLResponse *response))completionBlock
+ errorHandler:(void(^)(UIImage *image, NSHTTPURLResponse *response, NSError *error))errorBlock;
+#endif
+
+#if __MAC_OS_X_VERSION_MIN_REQUIRED
++ (GCImageRequestOperation *)imageRequest:(GCNetworkRequest *)networkRequest
+ callBackQueue:(dispatch_queue_t)queue
+ completionHandler:(void(^)(NSImage *image, NSHTTPURLResponse *response))completionBlock
+ errorHandler:(void(^)(NSImage *image, NSHTTPURLResponse *response, NSError *error))errorBlock;
+#endif
+
+@end
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@@ -0,0 +1,125 @@
+//
+// GCImageRequestOperation.m
+// GCNetworkRequest
+//
+// Created by Glenn Chiu on 23/10/2012.
+// Copyright (c) 2012 Glenn Chiu. All rights reserved.
+//
+
+// This code is distributed under the terms and conditions of the MIT license.
+
+// Copyright (c) 2012 Glenn Chiu
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+#import "GCImageRequestOperation.h"
+
+#if ! __has_feature(objc_arc)
+#error GCNetworkRequest is ARC only. Use -fobjc-arc as compiler flag for this library
+#endif
+
+@implementation GCImageRequestOperation
+
+#if TARGET_OS_IPHONE
++ (GCImageRequestOperation *)imageRequest:(GCNetworkRequest *)networkRequest callBackQueue:(dispatch_queue_t)queue completionHandler:(void(^)(UIImage *image, NSHTTPURLResponse *response))completionBlock errorHandler:(void(^)(UIImage *image, NSHTTPURLResponse *response, NSError *error))errorBlock
+{
+ __block GCImageRequestOperation *operation = nil;
+
+ operation = [[GCImageRequestOperation alloc] initWithHTTPRequest:networkRequest
+ callBackQueue:queue
+ completionHandler:^(NSData *data, NSHTTPURLResponse *response) {
+
+ if (completionBlock)
+ {
+ dispatch_block_t block = ^{
+
+ UIImage *image = [UIImage imageWithData:data];
+
+ dispatch_async(gc_dispatch_queue(queue), ^{completionBlock(image, response);});
+
+ operation = nil;
+ };
+
+ dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0ul), block);
+ };
+
+ } errorHandler:^(NSData *data, NSHTTPURLResponse *response, NSError *error) {
+
+ if (errorBlock)
+ {
+ dispatch_block_t block = ^{
+
+ UIImage *image = [UIImage imageWithData:data];
+
+ dispatch_async(gc_dispatch_queue(queue), ^{errorBlock(image, response, error);});
+
+ operation = nil;
+ };
+
+ dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0ul), block);
+ };
+ }];
+ return operation;
+}
+#endif
+
+#if __MAC_OS_X_VERSION_MIN_REQUIRED
++ (GCImageRequestOperation *)imageRequest:(GCNetworkRequest *)networkRequest callBackQueue:(dispatch_queue_t)queue completionHandler:(void(^)(NSImage *image, NSHTTPURLResponse *response))completionBlock errorHandler:(void(^)(NSImage *image, NSHTTPURLResponse *response, NSError *error))errorBlock
+{
+ __block GCImageRequestOperation *operation = nil;
+
+ operation = [[GCImageRequestOperation alloc] initWithHTTPRequest:networkRequest
+ callBackQueue:queue
+ completionHandler:^(NSData *data, NSHTTPURLResponse *response) {
+
+ if (completionBlock)
+ {
+ dispatch_block_t block = ^{
+
+ NSImage *image = [[NSImage alloc] initWithData:data];
+
+ dispatch_async(gc_dispatch_queue(queue), ^{completionBlock(image, response);});
+
+ operation = nil;
+ };
+
+ dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0ul), block);
+ };
+
+ } errorHandler:^(NSData *data, NSHTTPURLResponse *response, NSError *error) {
+
+ if (errorBlock)
+ {
+ dispatch_block_t block = ^{
+
+ NSImage *image = [[NSImage alloc] initWithData:data];
+
+ dispatch_async(gc_dispatch_queue(queue), ^{errorBlock(image, response, error);});
+
+ operation = nil;
+ };
+
+ dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0ul), block);
+ };
+ }];
+ return operation;
+}
+#endif
+
+@end

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