GEEKING

RobloxHybrid/platforms/ios/RBHybridWebView.m

@@ -0,0 +1,167 @@
+//
+//  RBHybridWebView.m
+//  RobloxMobile
+//
+//  Created by Ariel Lichtin on 2/18/15.
+//  Copyright (c) 2015 ROBLOX. All rights reserved.
+//
+
+#import "NSDictionary+Parsing.h"
+#import "RBHybridWebView.h"
+#import "RBHybridBridge.h"
+#import "RBHybridCommand.h"
+#import "RBHybridModule.h"
+#import "SessionReporter.h"
+#import "UserInfo.h"
+
+#import "RobloxInfo.h"
+
+#import <objc/runtime.h>
+
+#define JS_HYBRID_OBJ @"window.Roblox.Hybrid"
+
+@interface RBHybridWebView ()
+
+@property(nonatomic, readwrite) NSInteger lastRequestID;
+
+@end
+
+@implementation RBHybridWebView
+
+// This is from RBHybridWebViewProtocol
+@synthesize controller;
+@synthesize webviewID;
+@synthesize lastRequestID;
+
+- (instancetype)init
+{
+    [RBHybridWebView initializeUserAgent];
+    
+    self = [super init];
+    if (self)
+    {
+        [self initializeWebView];
+    }
+    return self;
+}
+
+- (instancetype)initWithCoder:(NSCoder *)coder
+{
+    [RBHybridWebView initializeUserAgent];
+    
+    self = [super initWithCoder:coder];
+    if (self)
+    {
+        [self initializeWebView];
+    }
+    return self;
+}
+
+- (instancetype)initWithFrame:(CGRect)frame
+{
+    [RBHybridWebView initializeUserAgent];
+    
+    self = [super initWithFrame:frame];
+    if (self)
+    {
+        [self initializeWebView];
+    }
+    return self;
+}
+
++(void)initializeUserAgent
+{
+    [[NSUserDefaults standardUserDefaults] registerDefaults:[NSDictionary dictionaryWithObject:[RobloxInfo getUserAgentString] forKey:@"UserAgent"]];
+}
+
+-(void)initializeWebView
+{
+    [[RBHybridBridge sharedInstance] registerWebView:self];
+    self.scrollView.decelerationRate = UIScrollViewDecelerationRateNormal;
+}
+
+- (void) executeJavascriptCommand:(NSString *)jsonCommand requestID:(NSInteger)requestId
+{
+    /*
+     2015.1116 ajain - This code is intentionally the same as the code in RBHybridWKWebView.  I wrote this as a centralized method,
+     but as a result of a code review it was determined that duplicating code would be better since in a few months we will stop
+     supporting iOS 7 and UIWebView's which will allow for all this code to be removed.
+     */
+    NSError* parseError = nil;
+    NSDictionary* params = [NSJSONSerialization JSONObjectWithData:[jsonCommand dataUsingEncoding:NSUTF8StringEncoding] options:NSJSONReadingMutableContainers error:&parseError];
+    if(parseError == nil)
+    {
+        RBHybridCommand* command = [[RBHybridCommand alloc] init];
+        command.requestID = requestId;
+        command.moduleID = [params stringForKey:@"moduleID"];
+        command.functionName = [params stringForKey:@"functionName"];
+        command.params = [params dictionaryForKey:@"params"];
+        command.callbackID = [params stringForKey:@"callbackID"];
+        
+        [self executeCommand:command];
+    }
+    else
+    {
+        // 2015.1116 ajain - Something is wrong with the javascript command.  Report back.
+        [[SessionReporter sharedInstance] postAnalyticPayloadFromContext:RBXAContextHybrid
+                                                                  result:RBXAResultFailure
+                                                                rbxError:RBXAErrorJSONParseFailure
+                                                            startingTime:[NSDate date]
+                                                       attemptedUsername:[UserInfo CurrentPlayer].username
+                                                              URLRequest:nil
+                                                        HTTPResponseCode:202
+                                                            responseData:[jsonCommand dataUsingEncoding:NSUTF8StringEncoding]
+                                                          additionalData:@{@"JSCommandParseErrorDescUI":parseError.description}];
+    }
+}
+
+-(void)executeCommand:(RBHybridCommand*)command
+{
+    command.originWebView = self;
+    
+    if(command.requestID > self.lastRequestID)
+    {
+        self.lastRequestID = command.requestID;
+    }
+    
+    RBHybridModule* module = [[RBHybridBridge sharedInstance] getModuleForID:command.moduleID];
+    if(module != nil)
+    {
+        [module executeCommand:command];
+    }
+}
+
+-(void)executeCallback:(NSString*)callbackID success:(BOOL)success withParams:(NSDictionary*)params
+{
+    NSError* error;
+    NSString* paramsString = @"{}";
+    if(params != nil)
+    {
+        NSData* paramsData = [NSJSONSerialization dataWithJSONObject:params options:NSJSONWritingPrettyPrinted error:&error];
+        paramsString = [[NSString alloc] initWithData:paramsData encoding:NSUTF8StringEncoding];
+    }
+    
+    NSString* callbackCommand =
+        [NSString stringWithFormat:@"%@.Bridge.nativeCallback('%@', %@, %@);",
+            JS_HYBRID_OBJ,
+            callbackID,
+            success ? @"true" : @"false",
+            paramsString];
+    
+    [self stringByEvaluatingJavaScriptFromString:callbackCommand];
+}
+
+- (NSString *) webviewID
+{
+    NSString *getIDCommand = [NSString stringWithFormat:@"%@.Bridge.getWebViewID()", JS_HYBRID_OBJ];
+    NSString *newID = [self stringByEvaluatingJavaScriptFromString:getIDCommand];    
+    return newID;
+}
+
+- (void)dealloc
+{
+    NSLog(@"RBHybridWebView dealloc");
+    [[RBHybridBridge sharedInstance] unRegisterWebView:self];
+}
+
+@end