GEEKING

RobloxHybrid/platforms/ios/RBHybridBridge.m

@@ -0,0 +1,177 @@
+//
+//  RBHybridURLProtocol.m
+//  RobloxMobile
+//
+//  Created by Ariel Lichtin on 2/5/15.
+//  Copyright (c) 2015 ROBLOX. All rights reserved.
+//
+
+#import "RBHybridBridge.h"
+#import "RBHybridCommand.h"
+#import "RBHybridModuleDialogs.h"
+#import "RBHybridModuleSocial.h"
+#import "RBHybridModuleGame.h"
+#import "RBHybridModuleAnalytics.h"
+#import "RBHybridWebView.h"
+#import "RBXFunctions.h"
+#import "SessionReporter.h"
+#import "UserInfo.h"
+
+#import "NSDictionary+Parsing.h"
+
+@interface RBHybridURLProtocol : NSURLProtocol
+
+@end
+
+@implementation RBHybridURLProtocol
+
++ (BOOL)canInitWithRequest:(NSURLRequest*)request
+{
+    NSURL* url = [request URL];
+    
+    if( url.path != nil && [url.path rangeOfString:@"/rbx_native_exec"].location != NSNotFound )
+    {
+        NSString* webViewID = [request valueForHTTPHeaderField:@"webViewId"];
+        RBHybridWebView* webView = [[RBHybridBridge sharedInstance] getWebViewForID:webViewID];
+        if(!webView)
+        {
+            NSLog(@"ERROR: Unable to retrieve webview for ID %@", webViewID);
+        }
+        else
+        {
+            NSString* requestIDStr = [request valueForHTTPHeaderField:@"requestId"];
+            NSInteger requestID = [requestIDStr integerValue];
+            if(requestID > webView.lastRequestID)
+            {
+                NSString* jsonCommand = [request valueForHTTPHeaderField:@"command"];
+                [webView executeJavascriptCommand:jsonCommand requestID:requestID];
+            }
+        }
+        
+        return YES;
+    }
+    
+    return NO;
+}
+
++ (NSURLRequest*)canonicalRequestForRequest:(NSURLRequest*)request
+{
+    return request;
+}
+
+- (void)startLoading
+{
+    // Send a null but successful response immediately
+    NSHTTPURLResponse* response = [[NSHTTPURLResponse alloc]
+                                   initWithURL:[[self request] URL]
+                                   statusCode:200
+                                   HTTPVersion:@"HTTP/1.1"
+                                   headerFields:@{@"Content-Type":@"text/plain"}];
+    [[self client] URLProtocol:self didReceiveResponse:response cacheStoragePolicy:NSURLCacheStorageNotAllowed];
+    [[self client] URLProtocolDidFinishLoading:self];
+}
+
+- (void)stopLoading
+{
+    // Dummy implementation // Not necessary
+}
+
+@end
+
+@implementation RBHybridBridge
+{
+    NSMutableDictionary* _modules;
+    NSMutableArray* _webviews;
+}
+
++ (RBHybridBridge*) sharedInstance
+{
+    static RBHybridBridge* instance;
+    
+    static dispatch_once_t queue;
+    dispatch_once(&queue, ^
+    {
+        instance = [[RBHybridBridge alloc] init];
+    });
+    
+    return instance;
+}
+
+-(instancetype)init
+{
+    self = [super init];
+    if(self)
+    {
+        [NSURLProtocol registerClass:[RBHybridURLProtocol class]];
+        
+        _modules = [NSMutableDictionary dictionary];
+        _webviews = [NSMutableArray array];
+        
+        [self initializeModules];
+    }
+    return self;
+}
+
+-(void)initializeModules
+{
+    [self registerModule:[[RBHybridModuleDialogs alloc] init]];
+    [self registerModule:[[RBHybridModuleSocial alloc] init]];
+    [self registerModule:[[RBHybridModuleGame alloc] init]];
+    [self registerModule:[[RBHybridModuleAnalytics alloc] init]];
+}
+
+-(void) registerModule:(RBHybridModule*)module
+{
+    [_modules setObject:module forKey:module.moduleID];
+}
+
+-(void) unRegisterModule:(RBHybridModule*)module
+{
+    [_modules removeObjectForKey:module.moduleID];
+}
+
+-(void)registerWebView:(UIView <RBHybridWebViewProtocol> *)webview
+{
+    // 2015.1023 ajain - valueWithNonretainedObject adds an object "value reference"
+    // without incrementing the retain count of the object, thereby allowing it to be
+    // unregistered when the webview's retain count hits 0.
+    if (![_webviews containsObject:[NSValue valueWithNonretainedObject:webview]]) {
+        [_webviews addObject:[NSValue valueWithNonretainedObject:webview]];
+    }
+}
+
+-(void)unRegisterWebView:(UIView *)webview
+{
+    if ([_webviews containsObject:[NSValue valueWithNonretainedObject:webview]]) {
+        [_webviews removeObject:[NSValue valueWithNonretainedObject:webview]];
+    }
+}
+
+-(UIView <RBHybridWebViewProtocol> *)getWebViewForID:(NSString*)webviewID
+{
+    for(NSValue* webviewPtr in _webviews)
+    {
+        UIView <RBHybridWebViewProtocol> * webview = [webviewPtr nonretainedObjectValue];
+        if (!webview)
+        {
+            NSLog(@"Webview no longer exists");
+        }
+        else if(webview.webviewID != nil && [webview.webviewID isEqualToString:webviewID])
+        {
+            return webview;
+        }
+    }
+   return nil;
+}
+
+-(RBHybridModule*)getModuleForID:(NSString*)moduleID
+{
+    return [_modules objectForKey:moduleID];
+}
+
+- (void)dealloc
+{
+    [NSURLProtocol unregisterClass:[RBHybridURLProtocol class]];
+}
+
+@end