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CB-6059 iOS: Add necessary @synchronized blocks for newly introduced multi-threading.

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This commit is contained in:
Andrew Grieve
2014-02-19 11:49:24 -05:00
parent 49b4774e7e
commit 0f8467bdfe
1 changed files with 40 additions and 30 deletions
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src/ios/CDVFileTransfer.m
+40 -30
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@@ -75,6 +75,10 @@ static CFIndex WriteDataToStream(NSData* data, CFWriteStreamRef stream)
@implementation CDVFileTransfer
@synthesize activeTransfers;
- (void)pluginInitialize {
activeTransfers = [[NSMutableDictionary alloc] init];
}
- (NSString*)escapePathComponentForUrlString:(NSString*)urlString
{
NSRange schemeAndHostRange = [urlString rangeOfString:@"://.*?/" options:NSRegularExpressionSearch];
@@ -327,29 +331,34 @@ static CFIndex WriteDataToStream(NSData* data, CFWriteStreamRef stream)
return;
}
CDVFileTransferDelegate* delegate = [self delegateForUploadCommand:command];
[NSURLConnection connectionWithRequest:req delegate:delegate];
delegate.connection = [[NSURLConnection alloc] initWithRequest:req delegate:delegate startImmediately:NO];
if (self.queue == nil) {
self.queue = [[NSOperationQueue alloc] init];
}
[delegate.connection setDelegateQueue:self.queue];
// sets a background task ID for the transfer object.
delegate.backgroundTaskID = [[UIApplication sharedApplication] beginBackgroundTaskWithExpirationHandler:^{
[delegate cancelTransfer:delegate.connection];
}];
if (activeTransfers == nil) {
activeTransfers = [[NSMutableDictionary alloc] init];
@synchronized (activeTransfers) {
activeTransfers[delegate.objectId] = delegate;
}
[activeTransfers setObject:delegate forKey:delegate.objectId];
[delegate.connection start];
}
- (void)abort:(CDVInvokedUrlCommand*)command
{
NSString* objectId = [command.arguments objectAtIndex:0];
CDVFileTransferDelegate* delegate = [activeTransfers objectForKey:objectId];
if (delegate != nil) {
[delegate cancelTransfer:delegate.connection];
CDVPluginResult* result = [CDVPluginResult resultWithStatus:CDVCommandStatus_ERROR messageAsDictionary:[self createFileTransferError:CONNECTION_ABORTED AndSource:delegate.source AndTarget:delegate.target]];
[self.commandDelegate sendPluginResult:result callbackId:delegate.callbackId];
@synchronized (activeTransfers) {
CDVFileTransferDelegate* delegate = activeTransfers[objectId];
if (delegate != nil) {
[delegate cancelTransfer:delegate.connection];
CDVPluginResult* result = [CDVPluginResult resultWithStatus:CDVCommandStatus_ERROR messageAsDictionary:[self createFileTransferError:CONNECTION_ABORTED AndSource:delegate.source AndTarget:delegate.target]];
[self.commandDelegate sendPluginResult:result callbackId:delegate.callbackId];
}
}
}
@@ -419,10 +428,9 @@ static CFIndex WriteDataToStream(NSData* data, CFWriteStreamRef stream)
}
[delegate.connection setDelegateQueue:self.queue];
if (activeTransfers == nil) {
activeTransfers = [[NSMutableDictionary alloc] init];
@synchronized (activeTransfers) {
activeTransfers[delegate.objectId] = delegate;
}
[activeTransfers setObject:delegate forKey:delegate.objectId];
[delegate.connection start];
}
@@ -467,13 +475,13 @@ static CFIndex WriteDataToStream(NSData* data, CFWriteStreamRef stream)
return result;
}
- (void)onReset
{
for (CDVFileTransferDelegate* delegate in [activeTransfers allValues]) {
[delegate.connection cancel];
- (void)onReset {
@synchronized (activeTransfers) {
while ([activeTransfers count] > 0) {
CDVFileTransferDelegate* delegate = [activeTransfers allValues][0];
[delegate cancelTransfer:delegate.connection];
}
}
[activeTransfers removeAllObjects];
}
@end
@@ -564,11 +572,12 @@ static CFIndex WriteDataToStream(NSData* data, CFWriteStreamRef stream)
[self.command.commandDelegate sendPluginResult:result callbackId:callbackId];
// remove connection for activeTransfers
[command.activeTransfers removeObjectForKey:objectId];
// remove background id task in case our upload was done in the background
[[UIApplication sharedApplication] endBackgroundTask:self.backgroundTaskID];
self.backgroundTaskID = UIBackgroundTaskInvalid;
@synchronized (command.activeTransfers) {
[command.activeTransfers removeObjectForKey:objectId];
// remove background id task in case our upload was done in the background
[[UIApplication sharedApplication] endBackgroundTask:self.backgroundTaskID];
self.backgroundTaskID = UIBackgroundTaskInvalid;
}
}
- (void)removeTargetFile
@@ -581,12 +590,13 @@ static CFIndex WriteDataToStream(NSData* data, CFWriteStreamRef stream)
- (void)cancelTransfer:(NSURLConnection*)connection
{
[connection cancel];
@synchronized (self.command.activeTransfers) {
CDVFileTransferDelegate* delegate = self.command.activeTransfers[self.objectId];
[self.command.activeTransfers removeObjectForKey:self.objectId];
[[UIApplication sharedApplication] endBackgroundTask:delegate.backgroundTaskID];
delegate.backgroundTaskID = UIBackgroundTaskInvalid;
}
CDVFileTransferDelegate* delegate = [self.command.activeTransfers objectForKey:self.objectId];
[[UIApplication sharedApplication] endBackgroundTask:delegate.backgroundTaskID];
delegate.backgroundTaskID = UIBackgroundTaskInvalid;
[self.command.activeTransfers removeObjectForKey:self.objectId];
[self removeTargetFile];
}