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wkwebview example for osx
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‎Example Apps/ExampleApp-OSX-wkwebview.xcodeproj/project.pbxproj‎

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‎Example Apps/ExampleApp-OSX-wkwebview/AppDelegate.h‎

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//
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// AppDelegate.h
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// ExampleApp-OSX
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//
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// Created by Marcus Westin on 6/8/13.
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// Copyright (c) 2013 Marcus Westin. All rights reserved.
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//
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#import <Cocoa/Cocoa.h>
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@interface AppDelegate : NSObject <NSApplicationDelegate>
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@property (assign) IBOutlet NSWindow *window;
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@end

‎Example Apps/ExampleApp-OSX-wkwebview/AppDelegate.m‎

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//
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// AppDelegate.m
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// ExampleApp-OSX
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//
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// Created by Marcus Westin on 6/8/13.
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// Copyright (c) 2013 Marcus Westin. All rights reserved.
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//
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#import "AppDelegate.h"
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#import <WebKit/WebKit.h>
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#import "WKWebViewJavascriptBridge.h"
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@implementation AppDelegate {
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WKWebView* _webView;
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WKWebViewJavascriptBridge* _bridge;
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}
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- (void)applicationDidFinishLaunching:(NSNotification *)aNotification
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{
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[self _createViews];
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[self _createBridge];
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[self _createObjcButtons];
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[self _loadPage];
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}
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- (void)_createBridge {
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_bridge = [WKWebViewJavascriptBridge bridgeForWebView:_webView handler:^(id data, WVJBResponseCallback responseCallback) {
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NSLog(@"ObjC received message from JS: %@", data);
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responseCallback(@"Response for message from ObjC");
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}];
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[_bridge registerHandler:@"testObjcCallback" handler:^(id data, WVJBResponseCallback responseCallback) {
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NSLog(@"testObjcCallback called: %@", data);
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responseCallback(@"Response from testObjcCallback");
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}];
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[_bridge send:@"A string sent from ObjC before Webview has loaded." responseCallback:^(id responseData) {
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NSLog(@"objc got response! %@", responseData);
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}];
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[_bridge callHandler:@"testJavascriptHandler" data:@{ @"foo":@"before ready" }];
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}
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- (void)_createObjcButtons {
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NSButton *messageButton = [[NSButton alloc] initWithFrame:NSMakeRect(5, 0, 120, 40)];
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[messageButton setTitle:@"Send message"];
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[messageButton setBezelStyle:NSRoundedBezelStyle];
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[messageButton setTarget:self];
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[messageButton setAction:@selector(_sendMessage)];
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[_webView addSubview:messageButton];
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NSButton *callbackButton = [[NSButton alloc] initWithFrame:NSMakeRect(120, 0, 120, 40)];
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[callbackButton setTitle:@"Call handler"];
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[callbackButton setBezelStyle:NSRoundedBezelStyle];
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[callbackButton setTarget:self];
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[callbackButton setAction:@selector(_callHandler)];
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[_webView addSubview:callbackButton];
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}
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- (void)_sendMessage {
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[_bridge send:@"A string sent from ObjC to JS" responseCallback:^(id response) {
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NSLog(@"sendMessage got response: %@", response);
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}];
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}
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- (void)_callHandler {
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id data = @{ @"greetingFromObjC": @"Hi there, JS!" };
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[_bridge callHandler:@"testJavascriptHandler" data:data responseCallback:^(id response) {
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NSLog(@"testJavascriptHandler responded: %@", response);
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}];
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}
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- (void)_createViews {
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NSView* contentView = _window.contentView;
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_webView = [[WKWebView alloc] initWithFrame:contentView.frame];
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[_webView setAutoresizingMask:(NSViewHeightSizable | NSViewWidthSizable)];
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[contentView addSubview:_webView];
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}
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- (void)_loadPage {
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NSString* htmlPath = [[NSBundle mainBundle] pathForResource:@"ExampleApp" ofType:@"html"];
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NSString* html = [NSString stringWithContentsOfFile:htmlPath encoding:NSUTF8StringEncoding error:nil];
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[_webView loadHTMLString:html baseURL:nil];
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}
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@end

‎Example Apps/ExampleApp-OSX-wkwebview/ExampleApp-OSX-Info.plist‎

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<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
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<plist version="1.0">
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<dict>
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<key>CFBundleDevelopmentRegion</key>
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<string>en</string>
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<key>CFBundleExecutable</key>
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<string>${EXECUTABLE_NAME}</string>
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<key>CFBundleIconFile</key>
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<string></string>
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<key>CFBundleIdentifier</key>
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<string>WebViewJavascriptBridge.${PRODUCT_NAME:rfc1034identifier}</string>
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<key>CFBundleInfoDictionaryVersion</key>
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<string>6.0</string>
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<key>CFBundleName</key>
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<string>${PRODUCT_NAME}</string>
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<key>CFBundlePackageType</key>
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<string>APPL</string>
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<key>CFBundleShortVersionString</key>
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<string>1.0</string>
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<key>CFBundleSignature</key>
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<string>????</string>
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<key>CFBundleVersion</key>
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<string>1</string>
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<key>LSMinimumSystemVersion</key>
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<string>${MACOSX_DEPLOYMENT_TARGET}</string>
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<key>NSHumanReadableCopyright</key>
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<string>Copyright © 2013 Marcus Westin. All rights reserved.</string>
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<key>NSMainNibFile</key>
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<string>MainMenu</string>
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<key>NSPrincipalClass</key>
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<string>NSApplication</string>
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</dict>
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</plist>

‎Example Apps/ExampleApp-OSX-wkwebview/ExampleApp-OSX-Prefix.pch‎

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//
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// Prefix header for all source files of the 'ExampleApp-OSX' target in the 'ExampleApp-OSX' project
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//
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#ifdef __OBJC__
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#import <Cocoa/Cocoa.h>
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#endif

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