#import "ExampleAppDelegate.h"

@implementation ExampleAppDelegate

@synthesize window = _window;

@synthesize javascriptBridge = _javascriptBridge;

- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {

self.window = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]];

UIWebView* webView = [[UIWebView alloc] initWithFrame:self.window.bounds];

[self.window addSubview:webView];

self.javascriptBridge = [WebViewJavascriptBridge javascriptBridgeForWebView:webView handler:^(id data, WVJBResponseCallback responseCallback) {

UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"Message from Javascript" message:data delegate:nil cancelButtonTitle:@"OK" otherButtonTitles:nil];

[alert show];

}];

[self.javascriptBridge registerHandler:@"testObjcCallback" handler:^(id data, WVJBResponseCallback responseCallback) {

NSLog(@"testObjcCallback called: %@", data);

responseCallback(@"Response from testObjcCallback");

}];

[self.javascriptBridge send:@"A string sent from ObjC before Webview has loaded."];

[self.javascriptBridge callHandler:@"testJavascriptHandler" data:[NSDictionary dictionaryWithObject:@"before ready" forKey:@"foo"]];

[self renderButtons:webView];

[self loadExamplePage:webView];

[self.javascriptBridge send:@"A string sent from ObjC after Webview has loaded."];

[self.window makeKeyAndVisible];

return YES;

}

- (void)renderButtons:(UIWebView*)webView {

UIButton *messageButton = [UIButton buttonWithType:UIButtonTypeRoundedRect];

[messageButton setTitle:@"Send message" forState:UIControlStateNormal];

[messageButton addTarget:self action:@selector(sendMessage:) forControlEvents:UIControlEventTouchUpInside];

[self.window insertSubview:messageButton aboveSubview:webView];

messageButton.frame = CGRectMake(20, 400, 130, 45);

UIButton *callbackButton = [UIButton buttonWithType:UIButtonTypeRoundedRect];

[callbackButton setTitle:@"Call handler" forState:UIControlStateNormal];

[callbackButton addTarget:self action:@selector(callHandler:) forControlEvents:UIControlEventTouchUpInside];

[self.window insertSubview:callbackButton aboveSubview:webView];

callbackButton.frame = CGRectMake(170, 400, 130, 45);

}

- (void)sendMessage:(id)sender {

[self.javascriptBridge send:@"A string sent from ObjC to JS"];

}

- (void)callHandler:(id)sender {

[self.javascriptBridge callHandler:@"testJavascriptHandler" data:[NSDictionary dictionaryWithObject:@"Hi there, JS!" forKey:@"greetingFromObjC"] responseCallback:^(id responseData) {

NSLog(@"testJavascriptHandler responded: %@", responseData);

}];

}

- (void)loadExamplePage:(UIWebView*)webView {

NSString* htmlPath = [[NSBundle mainBundle] pathForResource:@"ExampleApp" ofType:@"html"];

NSString* appHtml = [NSString stringWithContentsOfFile:htmlPath encoding:NSUTF8StringEncoding error:nil];

[webView loadHTMLString:appHtml baseURL:nil];

}