CordovaLib/CordovaLib/Classes/CDVWebViewDelegate.m

/*
 Licensed to the Apache Software Foundation (ASF) under one
 or more contributor license agreements.  See the NOTICE file
 distributed with this work for additional information
 regarding copyright ownership.  The ASF licenses this file
 to you under the Apache License, Version 2.0 (the
 "License"); you may not use this file except in compliance
 with the License.  You may obtain a copy of the License at

 http://www.apache.org/licenses/LICENSE-2.0

 Unless required by applicable law or agreed to in writing,
 software distributed under the License is distributed on an
 "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 KIND, either express or implied.  See the License for the
 specific language governing permissions and limitations
 under the License.
 */


#import "CDVWebViewDelegate.h"
#import "CDVConsole.h"
#import "CDVBridge.h"
#import "NSWindow+Utils.h"
// #import "CookieJar.h"

@implementation CDVWebViewDelegate

//CookieJar *_cookies;

@synthesize console;

- (instancetype) init {
    self = [super init];
    if (self) {
        // _cookies = [[CookieJar alloc] init];
    }
    return self;
}

- (void) webView:(WebView*) webView didClearWindowObject:(WebScriptObject*) windowScriptObject forFrame:(WebFrame*) frame {

    [self initConsole:windowScriptObject];

    // allways re-initialized bridge to that it can add the helper methods on the webview's window
    self.bridge = [[CDVBridge alloc] initWithWebView:webView andViewController:self.viewController];

    [windowScriptObject setValue:self.bridge forKey:CDV_JS_KEY_CORDOVABRIDGE];
}

- (void) webView:(WebView*) webView addMessageToConsole:(NSDictionary*) message {
    if (![message isKindOfClass:[NSDictionary class]]) {
        return;
    }
    NSLog(@"JavaScript error: %@:%@: %@",
            [message[@"sourceURL"] lastPathComponent],    // could be nil
            message[@"lineNumber"],
            message[@"message"]);
}

- (void) initConsole:(WebScriptObject*) windowScriptObject {
    // only use own console if no debug menu is enabled.
    if (![[NSUserDefaults standardUserDefaults] boolForKey:@"WebKitDeveloperExtras"]) {
        if (self.console == nil) {
            self.console = [CDVConsole new];
        }
        [windowScriptObject setValue:self.console forKey:CDV_JS_KEY_CONSOLE];
    }
}

#pragma mark WebScripting protocol

/* checks whether a selector is acceptable to be called from JavaScript */
+ (BOOL) isSelectorExcludedFromWebScript:(SEL) selector {
    return YES;
}

// right now exclude all properties (eg keys)
+ (BOOL) isKeyExcludedFromWebScript:(const char*) name {
    return YES;
}

#pragma mark WebPolicyDelegate

- (void) webView:(WebView*) sender decidePolicyForNavigationAction:(NSDictionary*) actionInformation request:(NSURLRequest*) request frame:(WebFrame*) frame decisionListener:(id <WebPolicyDecisionListener>) listener {
    NSString* url = [[request URL] description];
    NSLog(@"navigating to %@", url);
    [listener use];
}

#pragma mark WebViewDelegate

- (BOOL) webView:(WebView*) sender runBeforeUnloadConfirmPanelWithMessage:(NSString*) message initiatedByFrame:(WebFrame*) frame {
    return [self webView:sender runJavaScriptConfirmPanelWithMessage:message initiatedByFrame:frame];
}

- (void) webView:(WebView*) sender runOpenPanelForFileButtonWithResultListener:(id <WebOpenPanelResultListener>) resultListener allowMultipleFiles:(BOOL) allowMultipleFiles {
    NSOpenPanel* dialog = [NSOpenPanel openPanel];

    [dialog setCanChooseFiles:YES];
    [dialog setAllowsMultipleSelection:allowMultipleFiles];
    [dialog setCanChooseDirectories:YES];

    if ([dialog runModal] == NSOKButton) {
        [resultListener chooseFilenames:[[dialog URLs] valueForKey:@"relativePath"]];
    }
}

- (void) webView:(WebView*) sender runOpenPanelForFileButtonWithResultListener:(id <WebOpenPanelResultListener>) resultListener {
    [self webView:sender runOpenPanelForFileButtonWithResultListener:resultListener allowMultipleFiles:NO];
}

- (void) webView:(WebView*) sender runJavaScriptAlertPanelWithMessage:(NSString*) message initiatedByFrame:(WebFrame*) frame {
    NSAlert* alert = [[NSAlert alloc] init];
    [alert addButtonWithTitle:NSLocalizedString(@"OK", @"")];
    [alert setMessageText:message];

    // workaround for fullscreen windows (see CB-11948)
    [alert.window setLevel:NSMainMenuWindowLevel + 2];
    [alert.window setIsLevelLocked:true];

    @try {
        [alert runModal];
    } @finally {
        [alert.window setIsLevelLocked:false];
    }
}

- (BOOL) webView:(WebView*) sender runJavaScriptConfirmPanelWithMessage:(NSString*) message initiatedByFrame:(WebFrame*) frame {
    NSAlert* alert = [[NSAlert alloc] init];
    [alert addButtonWithTitle:NSLocalizedString(@"OK", @"")];
    [alert addButtonWithTitle:NSLocalizedString(@"Cancel", @"")];
    [alert setMessageText:message];

    // workaround for fullscreen windows (see CB-11948)
    [alert.window setLevel:NSMainMenuWindowLevel + 2];
    [alert.window setIsLevelLocked:true];
    @try {
        return ([alert runModal] == NSAlertFirstButtonReturn);
    } @finally {
        [alert.window setIsLevelLocked:false];
    }
}

- (NSString*) webView:(WebView*) sender runJavaScriptTextInputPanelWithPrompt:(NSString*) prompt defaultText:(NSString*) defaultText initiatedByFrame:(WebFrame*) frame {
    NSAlert *alert = [[NSAlert alloc] init];
    [alert addButtonWithTitle:NSLocalizedString(@"OK", @"")];
    [alert addButtonWithTitle:NSLocalizedString(@"Cancel", @"")];
    [alert setMessageText:prompt];
    NSTextField* input = [[NSTextField alloc] initWithFrame:NSMakeRect(0, 0, 300, 24)];
    [input setStringValue:defaultText];
    [alert setAccessoryView:input];

    // workaround for fullscreen windows (see CB-11948)
    [alert.window setLevel:NSMainMenuWindowLevel + 2];
    [alert.window setIsLevelLocked:true];

    @try {
        NSInteger button = [alert runModal];
        if (button == NSAlertFirstButtonReturn) {
            [input validateEditing];
            return [input stringValue];
        }
        return nil;
    } @finally {
        [alert.window setIsLevelLocked:false];
    }
}

# pragma mark WebResourceLoadDelegate
//- (NSURLRequest *)webView:(WebView *)sender resource:(id)identifier
//          willSendRequest:(NSURLRequest *)request
//         redirectResponse:(NSURLResponse *)redirectResponse
//           fromDataSource:(WebDataSource *)dataSource {
//    // only handle cookies for http and https
//    if ([redirectResponse isKindOfClass:[NSHTTPURLResponse class]]) {
//        [_cookies handleCookiesInResponse:(NSHTTPURLResponse*) redirectResponse];
//    }
//
//    NSMutableURLRequest* modifiedRequest = [request mutableCopy];
//    [modifiedRequest setHTTPShouldHandleCookies:NO];
//    [_cookies handleCookiesInRequest:modifiedRequest];
//    return modifiedRequest;
//}
//
//- (void)   webView:(WebView *)sender resource:(id)identifier
//didReceiveResponse:(NSURLResponse *)response
//    fromDataSource:(WebDataSource *)dataSource {
//    if ([response isKindOfClass:[NSHTTPURLResponse class]]) {
//        [_cookies handleCookiesInResponse: (NSHTTPURLResponse *) response];
//    }
//}

#pragma mark WebFrameLoadDelegate

- (void) webView:(WebView*) sender didFinishLoadForFrame:(WebFrame*) frame {
    id win = [sender windowScriptObject];
    NSString* nativeReady = @"try{cordova.require('cordova/channel').onNativeReady.fire();}catch(e){window._nativeReady = true;}";
    [win evaluateWebScript:nativeReady];
}


@end