1 files changed, 153 insertions, 0 deletions
diff --git a/CordovaLib/Classes/Private/Plugins/CDVUIWebViewEngine/CDVUIWebViewNavigationDelegate.m b/CordovaLib/Classes/Private/Plugins/CDVUIWebViewEngine/CDVUIWebViewNavigationDelegate.m
new file mode 100644
index 0000000..bc56fdd
--- /dev/null
+++ b/CordovaLib/Classes/Private/Plugins/CDVUIWebViewEngine/CDVUIWebViewNavigationDelegate.m
@@ -0,0 +1,153 @@
+/*
+ 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 "CDVUIWebViewNavigationDelegate.h"
+#import <Cordova/CDVViewController.h>
+#import <Cordova/CDVCommandDelegateImpl.h>
+#import <Cordova/CDVUserAgentUtil.h>
+#import <objc/message.h>
+
+@implementation CDVUIWebViewNavigationDelegate
+
+- (instancetype)initWithEnginePlugin:(CDVPlugin*)theEnginePlugin
+{
+    self = [super init];
+    if (self) {
+        self.enginePlugin = theEnginePlugin;
+    }
+
+    return self;
+}
+
+/**
+ When web application loads Add stuff to the DOM, mainly the user-defined settings from the Settings.plist file, and
+ the device's data such as device ID, platform version, etc.
+ */
+- (void)webViewDidStartLoad:(UIWebView*)theWebView
+{
+    NSLog(@"Resetting plugins due to page load.");
+    CDVViewController* vc = (CDVViewController*)self.enginePlugin.viewController;
+
+    [vc.commandQueue resetRequestId];
+    [[NSNotificationCenter defaultCenter] postNotification:[NSNotification notificationWithName:CDVPluginResetNotification object:self.enginePlugin.webView]];
+}
+
+/**
+ Called when the webview finishes loading.  This stops the activity view.
+ */
+- (void)webViewDidFinishLoad:(UIWebView*)theWebView
+{
+    NSLog(@"Finished load of: %@", theWebView.request.URL);
+    CDVViewController* vc = (CDVViewController*)self.enginePlugin.viewController;
+
+    // It's safe to release the lock even if this is just a sub-frame that's finished loading.
+    [CDVUserAgentUtil releaseLock:vc.userAgentLockToken];
+
+    /*
+     * Hide the Top Activity THROBBER in the Battery Bar
+     */
+    [[UIApplication sharedApplication] setNetworkActivityIndicatorVisible:NO];
+
+    [[NSNotificationCenter defaultCenter] postNotification:[NSNotification notificationWithName:CDVPageDidLoadNotification object:self.enginePlugin.webView]];
+}
+
+- (void)webView:(UIWebView*)theWebView didFailLoadWithError:(NSError*)error
+{
+    CDVViewController* vc = (CDVViewController*)self.enginePlugin.viewController;
+
+    [CDVUserAgentUtil releaseLock:vc.userAgentLockToken];
+
+    NSString* message = [NSString stringWithFormat:@"Failed to load webpage with error: %@", [error localizedDescription]];
+    NSLog(@"%@", message);
+
+    NSURL* errorUrl = vc.errorURL;
+    if (errorUrl) {
+        errorUrl = [NSURL URLWithString:[NSString stringWithFormat:@"?error=%@", [message stringByAddingPercentEncodingWithAllowedCharacters:NSCharacterSet.URLPathAllowedCharacterSet]] relativeToURL:errorUrl];
+        NSLog(@"%@", [errorUrl absoluteString]);
+        if(error.code != NSURLErrorCancelled) {
+            [theWebView loadRequest:[NSURLRequest requestWithURL:errorUrl]];
+        }
+    }
+}
+
+- (BOOL)defaultResourcePolicyForURL:(NSURL*)url
+{
+    /*
+     * If a URL is being loaded that's a file url, just load it internally
+     */
+    if ([url isFileURL]) {
+        return YES;
+    }
+    
+    return NO;
+}
+
+- (BOOL)webView:(UIWebView*)theWebView shouldStartLoadWithRequest:(NSURLRequest*)request navigationType:(UIWebViewNavigationType)navigationType
+{
+    NSURL* url = [request URL];
+    CDVViewController* vc = (CDVViewController*)self.enginePlugin.viewController;
+
+    /*
+     * Execute any commands queued with cordova.exec() on the JS side.
+     * The part of the URL after gap:// is irrelevant.
+     */
+    if ([[url scheme] isEqualToString:@"gap"]) {
+        [vc.commandQueue fetchCommandsFromJs];
+        // The delegate is called asynchronously in this case, so we don't have to use
+        // flushCommandQueueWithDelayedJs (setTimeout(0)) as we do with hash changes.
+        [vc.commandQueue executePending];
+        return NO;
+    }
+
+    /*
+     * Give plugins the chance to handle the url
+     */
+    BOOL anyPluginsResponded = NO;
+    BOOL shouldAllowRequest = NO;
+    
+    for (NSString* pluginName in vc.pluginObjects) {
+        CDVPlugin* plugin = [vc.pluginObjects objectForKey:pluginName];
+        SEL selector = NSSelectorFromString(@"shouldOverrideLoadWithRequest:navigationType:");
+        if ([plugin respondsToSelector:selector]) {
+            anyPluginsResponded = YES;
+            shouldAllowRequest = (((BOOL (*)(id, SEL, id, int))objc_msgSend)(plugin, selector, request, navigationType));
+            if (!shouldAllowRequest) {
+                break;
+            }
+        }
+    }
+    
+    if (anyPluginsResponded) {
+        return shouldAllowRequest;
+    }
+
+    /*
+     * Handle all other types of urls (tel:, sms:), and requests to load a url in the main webview.
+     */
+    BOOL shouldAllowNavigation = [self defaultResourcePolicyForURL:url];
+    if (shouldAllowNavigation) {
+        return YES;
+    } else {
+        [[NSNotificationCenter defaultCenter] postNotification:[NSNotification notificationWithName:CDVPluginHandleOpenURLNotification object:url]];
+    }
+    
+    return NO;
+}
+
+@end