171 lines
4.4 KiB
Objective-C
171 lines
4.4 KiB
Objective-C
/*
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* Copyright 2007-2010 The OpenRA Developers (see AUTHORS)
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* This file is part of OpenRA, which is free software. It is made
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* available to you under the terms of the GNU General Public License
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* as published by the Free Software Foundation. For more information,
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* see LICENSE.
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*/
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#import "JSBridge.h"
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#import "Controller.h"
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#import "Download.h"
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#import "Mod.h"
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static JSBridge *SharedInstance;
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@implementation JSBridge
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@synthesize methods;
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+ (JSBridge *)sharedInstance
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{
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if (SharedInstance == nil)
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SharedInstance = [[JSBridge alloc] init];
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return SharedInstance;
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}
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+ (NSString *)webScriptNameForSelector:(SEL)sel
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{
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return [[[JSBridge sharedInstance] methods] objectForKey:NSStringFromSelector(sel)];
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}
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+ (BOOL)isSelectorExcludedFromWebScript:(SEL)sel
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{
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return [[[JSBridge sharedInstance] methods] objectForKey:NSStringFromSelector(sel)] == nil;
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}
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-(id)init
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{
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self = [super init];
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if (self != nil)
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{
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methods = [[NSDictionary dictionaryWithObjectsAndKeys:
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@"launchMod", NSStringFromSelector(@selector(launchMod:)),
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@"log", NSStringFromSelector(@selector(log:)),
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@"existsInMod", NSStringFromSelector(@selector(fileExists:inMod:)),
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// File downloading
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@"existsInCache", NSStringFromSelector(@selector(existsInCache:)),
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@"downloadToCache", NSStringFromSelector(@selector(downloadUrl:withName:key:)),
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@"cancelDownload", NSStringFromSelector(@selector(cancelDownload:)),
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@"downloadStatus", NSStringFromSelector(@selector(downloadStatus:)),
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@"bytesCompleted", NSStringFromSelector(@selector(bytesCompleted:)),
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@"bytesTotal", NSStringFromSelector(@selector(bytesTotal:)),
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nil] retain];
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}
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return self;
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}
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- (void)setController:(Controller *)aController
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{
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controller = [aController retain];
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}
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- (void)dealloc
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{
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[controller release]; controller = nil;
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[super dealloc];
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}
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- (void)notifyDownloadProgress:(Download *)download
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{
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[[[controller webView] windowScriptObject] evaluateWebScript:
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[NSString stringWithFormat:@"downloadProgressed('%@')",[download key]]];
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}
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#pragma mark JS API methods
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- (BOOL)launchMod:(NSString *)aMod
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{
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// Build the list of mods to launch
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NSMutableArray *mods = [NSMutableArray array];
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NSString *current = aMod;
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// Assemble the mods in the reverse order to work around an engine bug
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while (current != nil)
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{
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Mod *mod = [[controller allMods] objectForKey:current];
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if (mod == nil)
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{
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NSLog(@"Unknown mod: %@", current);
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return NO;
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}
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[mods addObject:current];
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if ([mod standalone])
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current = nil;
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else
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current = [mod requires];
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}
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// Todo: Reverse the array ordering once the engine bug is fixed
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[controller launchMod:[mods componentsJoinedByString:@","]];
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return YES;
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}
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- (BOOL)existsInCache:(NSString *)name
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{
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// Disallow traversing directories; take only the last component
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id path = [[@"~/Library/Application Support/OpenRA/Downloads/" stringByAppendingPathComponent:[name lastPathComponent]] stringByExpandingTildeInPath];
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return [[NSFileManager defaultManager] fileExistsAtPath:path];
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}
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- (void)downloadUrl:(NSString *)url withName:(NSString *)name key:(NSString *)key
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{
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NSLog(@"downloadFile:%@ intoCacheWithName:%@ key:%@",url,name,key);
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// Disallow traversing directories; take only the last component
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id path = [[@"~/Library/Application Support/OpenRA/Downloads/" stringByAppendingPathComponent:[name lastPathComponent]] stringByExpandingTildeInPath];
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[controller downloadUrl:url toFile:path withId:key];
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}
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- (void)cancelDownload:(NSString *)key
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{
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[controller cancelDownload:key];
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}
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- (NSString *)downloadStatus:(NSString *)key
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{
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Download *d = [controller downloadWithKey:key];
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if (d == nil)
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return @"Invalid";
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return [d status];
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}
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- (int)bytesCompleted:(NSString *)key
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{
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Download *d = [controller downloadWithKey:key];
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return (d == nil) ? -1 : [d bytesCompleted];
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}
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- (int)bytesTotal:(NSString *)key
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{
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Download *d = [controller downloadWithKey:key];
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return (d == nil) ? -1 : [d bytesTotal];
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}
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- (void)log:(NSString *)message
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{
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NSLog(@"js: %@",message);
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}
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- (BOOL)fileExists:(NSString *)aFile inMod:(NSString *)aMod
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{
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id mod = [[controller allMods] objectForKey:aMod];
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if (mod == nil)
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{
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NSLog(@"Invalid or unknown mod: %@", aMod);
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return NO;
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}
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// Disallow traversing up the directory tree
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id path = [[[mod baseURL] absoluteString]
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stringByAppendingPathComponent:[aFile stringByReplacingOccurrencesOfString:@"../"
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withString:@""]];
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return [[NSFileManager defaultManager] fileExistsAtPath:path];
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}
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@end
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