diff options
Diffstat (limited to 'plugins/cordova-plugin-inappbrowser/src/ios')
| -rw-r--r-- | plugins/cordova-plugin-inappbrowser/src/ios/CDVInAppBrowser.h | 113 | ||||
| -rw-r--r-- | plugins/cordova-plugin-inappbrowser/src/ios/CDVInAppBrowser.m | 1022 |
2 files changed, 1135 insertions, 0 deletions
diff --git a/plugins/cordova-plugin-inappbrowser/src/ios/CDVInAppBrowser.h b/plugins/cordova-plugin-inappbrowser/src/ios/CDVInAppBrowser.h new file mode 100644 index 00000000..1ccc7b14 --- /dev/null +++ b/plugins/cordova-plugin-inappbrowser/src/ios/CDVInAppBrowser.h @@ -0,0 +1,113 @@ +/* + 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 <Cordova/CDVPlugin.h> +#import <Cordova/CDVInvokedUrlCommand.h> +#import <Cordova/CDVScreenOrientationDelegate.h> + +#ifdef __CORDOVA_4_0_0 + #import <Cordova/CDVUIWebViewDelegate.h> +#else + #import <Cordova/CDVWebViewDelegate.h> +#endif + +@class CDVInAppBrowserViewController; + +@interface CDVInAppBrowser : CDVPlugin { + BOOL _injectedIframeBridge; +} + +@property (nonatomic, retain) CDVInAppBrowserViewController* inAppBrowserViewController; +@property (nonatomic, copy) NSString* callbackId; +@property (nonatomic, copy) NSRegularExpression *callbackIdPattern; + +- (void)open:(CDVInvokedUrlCommand*)command; +- (void)close:(CDVInvokedUrlCommand*)command; +- (void)injectScriptCode:(CDVInvokedUrlCommand*)command; +- (void)show:(CDVInvokedUrlCommand*)command; + +@end + +@interface CDVInAppBrowserOptions : NSObject {} + +@property (nonatomic, assign) BOOL location; +@property (nonatomic, assign) BOOL toolbar; +@property (nonatomic, copy) NSString* closebuttoncaption; +@property (nonatomic, copy) NSString* toolbarposition; +@property (nonatomic, assign) BOOL clearcache; +@property (nonatomic, assign) BOOL clearsessioncache; + +@property (nonatomic, copy) NSString* presentationstyle; +@property (nonatomic, copy) NSString* transitionstyle; + +@property (nonatomic, assign) BOOL enableviewportscale; +@property (nonatomic, assign) BOOL mediaplaybackrequiresuseraction; +@property (nonatomic, assign) BOOL allowinlinemediaplayback; +@property (nonatomic, assign) BOOL keyboarddisplayrequiresuseraction; +@property (nonatomic, assign) BOOL suppressesincrementalrendering; +@property (nonatomic, assign) BOOL hidden; +@property (nonatomic, assign) BOOL disallowoverscroll; + ++ (CDVInAppBrowserOptions*)parseOptions:(NSString*)options; + +@end + +@interface CDVInAppBrowserViewController : UIViewController <UIWebViewDelegate, CDVScreenOrientationDelegate>{ + @private + NSString* _userAgent; + NSString* _prevUserAgent; + NSInteger _userAgentLockToken; + CDVInAppBrowserOptions *_browserOptions; + +#ifdef __CORDOVA_4_0_0 + CDVUIWebViewDelegate* _webViewDelegate; +#else + CDVWebViewDelegate* _webViewDelegate; +#endif + +} + +@property (nonatomic, strong) IBOutlet UIWebView* webView; +@property (nonatomic, strong) IBOutlet UIBarButtonItem* closeButton; +@property (nonatomic, strong) IBOutlet UILabel* addressLabel; +@property (nonatomic, strong) IBOutlet UIBarButtonItem* backButton; +@property (nonatomic, strong) IBOutlet UIBarButtonItem* forwardButton; +@property (nonatomic, strong) IBOutlet UIActivityIndicatorView* spinner; +@property (nonatomic, strong) IBOutlet UIToolbar* toolbar; + +@property (nonatomic, weak) id <CDVScreenOrientationDelegate> orientationDelegate; +@property (nonatomic, weak) CDVInAppBrowser* navigationDelegate; +@property (nonatomic) NSURL* currentURL; + +- (void)close; +- (void)navigateTo:(NSURL*)url; +- (void)showLocationBar:(BOOL)show; +- (void)showToolBar:(BOOL)show : (NSString *) toolbarPosition; +- (void)setCloseButtonTitle:(NSString*)title; + +- (id)initWithUserAgent:(NSString*)userAgent prevUserAgent:(NSString*)prevUserAgent browserOptions: (CDVInAppBrowserOptions*) browserOptions; + +@end + +@interface CDVInAppBrowserNavigationController : UINavigationController + +@property (nonatomic, weak) id <CDVScreenOrientationDelegate> orientationDelegate; + +@end + diff --git a/plugins/cordova-plugin-inappbrowser/src/ios/CDVInAppBrowser.m b/plugins/cordova-plugin-inappbrowser/src/ios/CDVInAppBrowser.m new file mode 100644 index 00000000..24f56c49 --- /dev/null +++ b/plugins/cordova-plugin-inappbrowser/src/ios/CDVInAppBrowser.m @@ -0,0 +1,1022 @@ +/* + 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 "CDVInAppBrowser.h" +#import <Cordova/CDVPluginResult.h> +#import <Cordova/CDVUserAgentUtil.h> + +#define kInAppBrowserTargetSelf @"_self" +#define kInAppBrowserTargetSystem @"_system" +#define kInAppBrowserTargetBlank @"_blank" + +#define kInAppBrowserToolbarBarPositionBottom @"bottom" +#define kInAppBrowserToolbarBarPositionTop @"top" + +#define TOOLBAR_HEIGHT 44.0 +#define LOCATIONBAR_HEIGHT 21.0 +#define FOOTER_HEIGHT ((TOOLBAR_HEIGHT) + (LOCATIONBAR_HEIGHT)) + +#pragma mark CDVInAppBrowser + +@interface CDVInAppBrowser () { + NSInteger _previousStatusBarStyle; +} +@end + +@implementation CDVInAppBrowser + +- (void)pluginInitialize +{ + _previousStatusBarStyle = -1; + _callbackIdPattern = nil; +} + +- (void)onReset +{ + [self close:nil]; +} + +- (void)close:(CDVInvokedUrlCommand*)command +{ + if (self.inAppBrowserViewController == nil) { + NSLog(@"IAB.close() called but it was already closed."); + return; + } + // Things are cleaned up in browserExit. + [self.inAppBrowserViewController close]; +} + +- (BOOL) isSystemUrl:(NSURL*)url +{ + if ([[url host] isEqualToString:@"itunes.apple.com"]) { + return YES; + } + + return NO; +} + +- (void)open:(CDVInvokedUrlCommand*)command +{ + CDVPluginResult* pluginResult; + + NSString* url = [command argumentAtIndex:0]; + NSString* target = [command argumentAtIndex:1 withDefault:kInAppBrowserTargetSelf]; + NSString* options = [command argumentAtIndex:2 withDefault:@"" andClass:[NSString class]]; + + self.callbackId = command.callbackId; + + if (url != nil) { +#ifdef __CORDOVA_4_0_0 + NSURL* baseUrl = [self.webViewEngine URL]; +#else + NSURL* baseUrl = [self.webView.request URL]; +#endif + NSURL* absoluteUrl = [[NSURL URLWithString:url relativeToURL:baseUrl] absoluteURL]; + + if ([self isSystemUrl:absoluteUrl]) { + target = kInAppBrowserTargetSystem; + } + + if ([target isEqualToString:kInAppBrowserTargetSelf]) { + [self openInCordovaWebView:absoluteUrl withOptions:options]; + } else if ([target isEqualToString:kInAppBrowserTargetSystem]) { + [self openInSystem:absoluteUrl]; + } else { // _blank or anything else + [self openInInAppBrowser:absoluteUrl withOptions:options]; + } + + pluginResult = [CDVPluginResult resultWithStatus:CDVCommandStatus_OK]; + } else { + pluginResult = [CDVPluginResult resultWithStatus:CDVCommandStatus_ERROR messageAsString:@"incorrect number of arguments"]; + } + + [pluginResult setKeepCallback:[NSNumber numberWithBool:YES]]; + [self.commandDelegate sendPluginResult:pluginResult callbackId:command.callbackId]; +} + +- (void)openInInAppBrowser:(NSURL*)url withOptions:(NSString*)options +{ + CDVInAppBrowserOptions* browserOptions = [CDVInAppBrowserOptions parseOptions:options]; + + if (browserOptions.clearcache) { + NSHTTPCookie *cookie; + NSHTTPCookieStorage *storage = [NSHTTPCookieStorage sharedHTTPCookieStorage]; + for (cookie in [storage cookies]) + { + if (![cookie.domain isEqual: @".^filecookies^"]) { + [storage deleteCookie:cookie]; + } + } + } + + if (browserOptions.clearsessioncache) { + NSHTTPCookie *cookie; + NSHTTPCookieStorage *storage = [NSHTTPCookieStorage sharedHTTPCookieStorage]; + for (cookie in [storage cookies]) + { + if (![cookie.domain isEqual: @".^filecookies^"] && cookie.isSessionOnly) { + [storage deleteCookie:cookie]; + } + } + } + + if (self.inAppBrowserViewController == nil) { + NSString* originalUA = [CDVUserAgentUtil originalUserAgent]; + self.inAppBrowserViewController = [[CDVInAppBrowserViewController alloc] initWithUserAgent:originalUA prevUserAgent:[self.commandDelegate userAgent] browserOptions: browserOptions]; + self.inAppBrowserViewController.navigationDelegate = self; + + if ([self.viewController conformsToProtocol:@protocol(CDVScreenOrientationDelegate)]) { + self.inAppBrowserViewController.orientationDelegate = (UIViewController <CDVScreenOrientationDelegate>*)self.viewController; + } + } + + [self.inAppBrowserViewController showLocationBar:browserOptions.location]; + [self.inAppBrowserViewController showToolBar:browserOptions.toolbar :browserOptions.toolbarposition]; + if (browserOptions.closebuttoncaption != nil) { + [self.inAppBrowserViewController setCloseButtonTitle:browserOptions.closebuttoncaption]; + } + // Set Presentation Style + UIModalPresentationStyle presentationStyle = UIModalPresentationFullScreen; // default + if (browserOptions.presentationstyle != nil) { + if ([[browserOptions.presentationstyle lowercaseString] isEqualToString:@"pagesheet"]) { + presentationStyle = UIModalPresentationPageSheet; + } else if ([[browserOptions.presentationstyle lowercaseString] isEqualToString:@"formsheet"]) { + presentationStyle = UIModalPresentationFormSheet; + } + } + self.inAppBrowserViewController.modalPresentationStyle = presentationStyle; + + // Set Transition Style + UIModalTransitionStyle transitionStyle = UIModalTransitionStyleCoverVertical; // default + if (browserOptions.transitionstyle != nil) { + if ([[browserOptions.transitionstyle lowercaseString] isEqualToString:@"fliphorizontal"]) { + transitionStyle = UIModalTransitionStyleFlipHorizontal; + } else if ([[browserOptions.transitionstyle lowercaseString] isEqualToString:@"crossdissolve"]) { + transitionStyle = UIModalTransitionStyleCrossDissolve; + } + } + self.inAppBrowserViewController.modalTransitionStyle = transitionStyle; + + // prevent webView from bouncing + if (browserOptions.disallowoverscroll) { + if ([self.inAppBrowserViewController.webView respondsToSelector:@selector(scrollView)]) { + ((UIScrollView*)[self.inAppBrowserViewController.webView scrollView]).bounces = NO; + } else { + for (id subview in self.inAppBrowserViewController.webView.subviews) { + if ([[subview class] isSubclassOfClass:[UIScrollView class]]) { + ((UIScrollView*)subview).bounces = NO; + } + } + } + } + + // UIWebView options + self.inAppBrowserViewController.webView.scalesPageToFit = browserOptions.enableviewportscale; + self.inAppBrowserViewController.webView.mediaPlaybackRequiresUserAction = browserOptions.mediaplaybackrequiresuseraction; + self.inAppBrowserViewController.webView.allowsInlineMediaPlayback = browserOptions.allowinlinemediaplayback; + if (IsAtLeastiOSVersion(@"6.0")) { + self.inAppBrowserViewController.webView.keyboardDisplayRequiresUserAction = browserOptions.keyboarddisplayrequiresuseraction; + self.inAppBrowserViewController.webView.suppressesIncrementalRendering = browserOptions.suppressesincrementalrendering; + } + + [self.inAppBrowserViewController navigateTo:url]; + if (!browserOptions.hidden) { + [self show:nil]; + } +} + +- (void)show:(CDVInvokedUrlCommand*)command +{ + if (self.inAppBrowserViewController == nil) { + NSLog(@"Tried to show IAB after it was closed."); + return; + } + if (_previousStatusBarStyle != -1) { + NSLog(@"Tried to show IAB while already shown"); + return; + } + + _previousStatusBarStyle = [UIApplication sharedApplication].statusBarStyle; + + CDVInAppBrowserNavigationController* nav = [[CDVInAppBrowserNavigationController alloc] + initWithRootViewController:self.inAppBrowserViewController]; + nav.orientationDelegate = self.inAppBrowserViewController; + nav.navigationBarHidden = YES; + // Run later to avoid the "took a long time" log message. + dispatch_async(dispatch_get_main_queue(), ^{ + if (self.inAppBrowserViewController != nil) { + [self.viewController presentViewController:nav animated:YES completion:nil]; + } + }); +} + +- (void)openInCordovaWebView:(NSURL*)url withOptions:(NSString*)options +{ + if ([self.commandDelegate URLIsWhitelisted:url]) { + NSURLRequest* request = [NSURLRequest requestWithURL:url]; +#ifdef __CORDOVA_4_0_0 + [self.webViewEngine loadRequest:request]; +#else + [self.webView loadRequest:request]; +#endif + } else { // this assumes the InAppBrowser can be excepted from the white-list + [self openInInAppBrowser:url withOptions:options]; + } +} + +- (void)openInSystem:(NSURL*)url +{ + if ([[UIApplication sharedApplication] canOpenURL:url]) { + [[UIApplication sharedApplication] openURL:url]; + } else { // handle any custom schemes to plugins + [[NSNotificationCenter defaultCenter] postNotification:[NSNotification notificationWithName:CDVPluginHandleOpenURLNotification object:url]]; + } +} + +// This is a helper method for the inject{Script|Style}{Code|File} API calls, which +// provides a consistent method for injecting JavaScript code into the document. +// +// If a wrapper string is supplied, then the source string will be JSON-encoded (adding +// quotes) and wrapped using string formatting. (The wrapper string should have a single +// '%@' marker). +// +// If no wrapper is supplied, then the source string is executed directly. + +- (void)injectDeferredObject:(NSString*)source withWrapper:(NSString*)jsWrapper +{ + if (!_injectedIframeBridge) { + _injectedIframeBridge = YES; + // Create an iframe bridge in the new document to communicate with the CDVInAppBrowserViewController + [self.inAppBrowserViewController.webView stringByEvaluatingJavaScriptFromString:@"(function(d){var e = _cdvIframeBridge = d.createElement('iframe');e.style.display='none';d.body.appendChild(e);})(document)"]; + } + + if (jsWrapper != nil) { + NSData* jsonData = [NSJSONSerialization dataWithJSONObject:@[source] options:0 error:nil]; + NSString* sourceArrayString = [[NSString alloc] initWithData:jsonData encoding:NSUTF8StringEncoding]; + if (sourceArrayString) { + NSString* sourceString = [sourceArrayString substringWithRange:NSMakeRange(1, [sourceArrayString length] - 2)]; + NSString* jsToInject = [NSString stringWithFormat:jsWrapper, sourceString]; + [self.inAppBrowserViewController.webView stringByEvaluatingJavaScriptFromString:jsToInject]; + } + } else { + [self.inAppBrowserViewController.webView stringByEvaluatingJavaScriptFromString:source]; + } +} + +- (void)injectScriptCode:(CDVInvokedUrlCommand*)command +{ + NSString* jsWrapper = nil; + + if ((command.callbackId != nil) && ![command.callbackId isEqualToString:@"INVALID"]) { + jsWrapper = [NSString stringWithFormat:@"_cdvIframeBridge.src='gap-iab://%@/'+encodeURIComponent(JSON.stringify([eval(%%@)]));", command.callbackId]; + } + [self injectDeferredObject:[command argumentAtIndex:0] withWrapper:jsWrapper]; +} + +- (void)injectScriptFile:(CDVInvokedUrlCommand*)command +{ + NSString* jsWrapper; + + if ((command.callbackId != nil) && ![command.callbackId isEqualToString:@"INVALID"]) { + jsWrapper = [NSString stringWithFormat:@"(function(d) { var c = d.createElement('script'); c.src = %%@; c.onload = function() { _cdvIframeBridge.src='gap-iab://%@'; }; d.body.appendChild(c); })(document)", command.callbackId]; + } else { + jsWrapper = @"(function(d) { var c = d.createElement('script'); c.src = %@; d.body.appendChild(c); })(document)"; + } + [self injectDeferredObject:[command argumentAtIndex:0] withWrapper:jsWrapper]; +} + +- (void)injectStyleCode:(CDVInvokedUrlCommand*)command +{ + NSString* jsWrapper; + + if ((command.callbackId != nil) && ![command.callbackId isEqualToString:@"INVALID"]) { + jsWrapper = [NSString stringWithFormat:@"(function(d) { var c = d.createElement('style'); c.innerHTML = %%@; c.onload = function() { _cdvIframeBridge.src='gap-iab://%@'; }; d.body.appendChild(c); })(document)", command.callbackId]; + } else { + jsWrapper = @"(function(d) { var c = d.createElement('style'); c.innerHTML = %@; d.body.appendChild(c); })(document)"; + } + [self injectDeferredObject:[command argumentAtIndex:0] withWrapper:jsWrapper]; +} + +- (void)injectStyleFile:(CDVInvokedUrlCommand*)command +{ + NSString* jsWrapper; + + if ((command.callbackId != nil) && ![command.callbackId isEqualToString:@"INVALID"]) { + jsWrapper = [NSString stringWithFormat:@"(function(d) { var c = d.createElement('link'); c.rel='stylesheet'; c.type='text/css'; c.href = %%@; c.onload = function() { _cdvIframeBridge.src='gap-iab://%@'; }; d.body.appendChild(c); })(document)", command.callbackId]; + } else { + jsWrapper = @"(function(d) { var c = d.createElement('link'); c.rel='stylesheet', c.type='text/css'; c.href = %@; d.body.appendChild(c); })(document)"; + } + [self injectDeferredObject:[command argumentAtIndex:0] withWrapper:jsWrapper]; +} + +- (BOOL)isValidCallbackId:(NSString *)callbackId +{ + NSError *err = nil; + // Initialize on first use + if (self.callbackIdPattern == nil) { + self.callbackIdPattern = [NSRegularExpression regularExpressionWithPattern:@"^InAppBrowser[0-9]{1,10}$" options:0 error:&err]; + if (err != nil) { + // Couldn't initialize Regex; No is safer than Yes. + return NO; + } + } + if ([self.callbackIdPattern firstMatchInString:callbackId options:0 range:NSMakeRange(0, [callbackId length])]) { + return YES; + } + return NO; +} + +/** + * The iframe bridge provided for the InAppBrowser is capable of executing any oustanding callback belonging + * to the InAppBrowser plugin. Care has been taken that other callbacks cannot be triggered, and that no + * other code execution is possible. + * + * To trigger the bridge, the iframe (or any other resource) should attempt to load a url of the form: + * + * gap-iab://<callbackId>/<arguments> + * + * where <callbackId> is the string id of the callback to trigger (something like "InAppBrowser0123456789") + * + * If present, the path component of the special gap-iab:// url is expected to be a URL-escaped JSON-encoded + * value to pass to the callback. [NSURL path] should take care of the URL-unescaping, and a JSON_EXCEPTION + * is returned if the JSON is invalid. + */ +- (BOOL)webView:(UIWebView*)theWebView shouldStartLoadWithRequest:(NSURLRequest*)request navigationType:(UIWebViewNavigationType)navigationType +{ + NSURL* url = request.URL; + BOOL isTopLevelNavigation = [request.URL isEqual:[request mainDocumentURL]]; + + // See if the url uses the 'gap-iab' protocol. If so, the host should be the id of a callback to execute, + // and the path, if present, should be a JSON-encoded value to pass to the callback. + if ([[url scheme] isEqualToString:@"gap-iab"]) { + NSString* scriptCallbackId = [url host]; + CDVPluginResult* pluginResult = nil; + + if ([self isValidCallbackId:scriptCallbackId]) { + NSString* scriptResult = [url path]; + NSError* __autoreleasing error = nil; + + // The message should be a JSON-encoded array of the result of the script which executed. + if ((scriptResult != nil) && ([scriptResult length] > 1)) { + scriptResult = [scriptResult substringFromIndex:1]; + NSData* decodedResult = [NSJSONSerialization JSONObjectWithData:[scriptResult dataUsingEncoding:NSUTF8StringEncoding] options:kNilOptions error:&error]; + if ((error == nil) && [decodedResult isKindOfClass:[NSArray class]]) { + pluginResult = [CDVPluginResult resultWithStatus:CDVCommandStatus_OK messageAsArray:(NSArray*)decodedResult]; + } else { + pluginResult = [CDVPluginResult resultWithStatus:CDVCommandStatus_JSON_EXCEPTION]; + } + } else { + pluginResult = [CDVPluginResult resultWithStatus:CDVCommandStatus_OK messageAsArray:@[]]; + } + [self.commandDelegate sendPluginResult:pluginResult callbackId:scriptCallbackId]; + return NO; + } + } else if ((self.callbackId != nil) && isTopLevelNavigation) { + // Send a loadstart event for each top-level navigation (includes redirects). + CDVPluginResult* pluginResult = [CDVPluginResult resultWithStatus:CDVCommandStatus_OK + messageAsDictionary:@{@"type":@"loadstart", @"url":[url absoluteString]}]; + [pluginResult setKeepCallback:[NSNumber numberWithBool:YES]]; + + [self.commandDelegate sendPluginResult:pluginResult callbackId:self.callbackId]; + } + + return YES; +} + +- (void)webViewDidStartLoad:(UIWebView*)theWebView +{ + _injectedIframeBridge = NO; +} + +- (void)webViewDidFinishLoad:(UIWebView*)theWebView +{ + if (self.callbackId != nil) { + // TODO: It would be more useful to return the URL the page is actually on (e.g. if it's been redirected). + NSString* url = [self.inAppBrowserViewController.currentURL absoluteString]; + CDVPluginResult* pluginResult = [CDVPluginResult resultWithStatus:CDVCommandStatus_OK + messageAsDictionary:@{@"type":@"loadstop", @"url":url}]; + [pluginResult setKeepCallback:[NSNumber numberWithBool:YES]]; + + [self.commandDelegate sendPluginResult:pluginResult callbackId:self.callbackId]; + } +} + +- (void)webView:(UIWebView*)theWebView didFailLoadWithError:(NSError*)error +{ + if (self.callbackId != nil) { + NSString* url = [self.inAppBrowserViewController.currentURL absoluteString]; + CDVPluginResult* pluginResult = [CDVPluginResult resultWithStatus:CDVCommandStatus_ERROR + messageAsDictionary:@{@"type":@"loaderror", @"url":url, @"code": [NSNumber numberWithInteger:error.code], @"message": error.localizedDescription}]; + [pluginResult setKeepCallback:[NSNumber numberWithBool:YES]]; + + [self.commandDelegate sendPluginResult:pluginResult callbackId:self.callbackId]; + } +} + +- (void)browserExit +{ + if (self.callbackId != nil) { + CDVPluginResult* pluginResult = [CDVPluginResult resultWithStatus:CDVCommandStatus_OK + messageAsDictionary:@{@"type":@"exit"}]; + [self.commandDelegate sendPluginResult:pluginResult callbackId:self.callbackId]; + self.callbackId = nil; + } + // Set navigationDelegate to nil to ensure no callbacks are received from it. + self.inAppBrowserViewController.navigationDelegate = nil; + // Don't recycle the ViewController since it may be consuming a lot of memory. + // Also - this is required for the PDF/User-Agent bug work-around. + self.inAppBrowserViewController = nil; + + if (IsAtLeastiOSVersion(@"7.0")) { + [[UIApplication sharedApplication] setStatusBarStyle:_previousStatusBarStyle]; + } + + _previousStatusBarStyle = -1; // this value was reset before reapplying it. caused statusbar to stay black on ios7 +} + +@end + +#pragma mark CDVInAppBrowserViewController + +@implementation CDVInAppBrowserViewController + +@synthesize currentURL; + +- (id)initWithUserAgent:(NSString*)userAgent prevUserAgent:(NSString*)prevUserAgent browserOptions: (CDVInAppBrowserOptions*) browserOptions +{ + self = [super init]; + if (self != nil) { + _userAgent = userAgent; + _prevUserAgent = prevUserAgent; + _browserOptions = browserOptions; +#ifdef __CORDOVA_4_0_0 + _webViewDelegate = [[CDVUIWebViewDelegate alloc] initWithDelegate:self]; +#else + _webViewDelegate = [[CDVWebViewDelegate alloc] initWithDelegate:self]; +#endif + + [self createViews]; + } + + return self; +} + +- (void)createViews +{ + // We create the views in code for primarily for ease of upgrades and not requiring an external .xib to be included + + CGRect webViewBounds = self.view.bounds; + BOOL toolbarIsAtBottom = ![_browserOptions.toolbarposition isEqualToString:kInAppBrowserToolbarBarPositionTop]; + webViewBounds.size.height -= _browserOptions.location ? FOOTER_HEIGHT : TOOLBAR_HEIGHT; + self.webView = [[UIWebView alloc] initWithFrame:webViewBounds]; + + self.webView.autoresizingMask = (UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight); + + [self.view addSubview:self.webView]; + [self.view sendSubviewToBack:self.webView]; + + self.webView.delegate = _webViewDelegate; + self.webView.backgroundColor = [UIColor whiteColor]; + + self.webView.clearsContextBeforeDrawing = YES; + self.webView.clipsToBounds = YES; + self.webView.contentMode = UIViewContentModeScaleToFill; + self.webView.multipleTouchEnabled = YES; + self.webView.opaque = YES; + self.webView.scalesPageToFit = NO; + self.webView.userInteractionEnabled = YES; + + self.spinner = [[UIActivityIndicatorView alloc] initWithActivityIndicatorStyle:UIActivityIndicatorViewStyleWhite]; + self.spinner.alpha = 1.000; + self.spinner.autoresizesSubviews = YES; + self.spinner.autoresizingMask = UIViewAutoresizingFlexibleLeftMargin | UIViewAutoresizingFlexibleTopMargin; + self.spinner.clearsContextBeforeDrawing = NO; + self.spinner.clipsToBounds = NO; + self.spinner.contentMode = UIViewContentModeScaleToFill; + self.spinner.frame = CGRectMake(454.0, 231.0, 20.0, 20.0); + self.spinner.hidden = YES; + self.spinner.hidesWhenStopped = YES; + self.spinner.multipleTouchEnabled = NO; + self.spinner.opaque = NO; + self.spinner.userInteractionEnabled = NO; + [self.spinner stopAnimating]; + + self.closeButton = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemDone target:self action:@selector(close)]; + self.closeButton.enabled = YES; + + UIBarButtonItem* flexibleSpaceButton = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemFlexibleSpace target:nil action:nil]; + + UIBarButtonItem* fixedSpaceButton = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemFixedSpace target:nil action:nil]; + fixedSpaceButton.width = 20; + + float toolbarY = toolbarIsAtBottom ? self.view.bounds.size.height - TOOLBAR_HEIGHT : 0.0; + CGRect toolbarFrame = CGRectMake(0.0, toolbarY, self.view.bounds.size.width, TOOLBAR_HEIGHT); + + self.toolbar = [[UIToolbar alloc] initWithFrame:toolbarFrame]; + self.toolbar.alpha = 1.000; + self.toolbar.autoresizesSubviews = YES; + self.toolbar.autoresizingMask = toolbarIsAtBottom ? (UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleTopMargin) : UIViewAutoresizingFlexibleWidth; + self.toolbar.barStyle = UIBarStyleBlackOpaque; + self.toolbar.clearsContextBeforeDrawing = NO; + self.toolbar.clipsToBounds = NO; + self.toolbar.contentMode = UIViewContentModeScaleToFill; + self.toolbar.hidden = NO; + self.toolbar.multipleTouchEnabled = NO; + self.toolbar.opaque = NO; + self.toolbar.userInteractionEnabled = YES; + + CGFloat labelInset = 5.0; + float locationBarY = toolbarIsAtBottom ? self.view.bounds.size.height - FOOTER_HEIGHT : self.view.bounds.size.height - LOCATIONBAR_HEIGHT; + + self.addressLabel = [[UILabel alloc] initWithFrame:CGRectMake(labelInset, locationBarY, self.view.bounds.size.width - labelInset, LOCATIONBAR_HEIGHT)]; + self.addressLabel.adjustsFontSizeToFitWidth = NO; + self.addressLabel.alpha = 1.000; + self.addressLabel.autoresizesSubviews = YES; + self.addressLabel.autoresizingMask = UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleRightMargin | UIViewAutoresizingFlexibleTopMargin; + self.addressLabel.backgroundColor = [UIColor clearColor]; + self.addressLabel.baselineAdjustment = UIBaselineAdjustmentAlignCenters; + self.addressLabel.clearsContextBeforeDrawing = YES; + self.addressLabel.clipsToBounds = YES; + self.addressLabel.contentMode = UIViewContentModeScaleToFill; + self.addressLabel.enabled = YES; + self.addressLabel.hidden = NO; + self.addressLabel.lineBreakMode = NSLineBreakByTruncatingTail; + + if ([self.addressLabel respondsToSelector:NSSelectorFromString(@"setMinimumScaleFactor:")]) { + [self.addressLabel setValue:@(10.0/[UIFont labelFontSize]) forKey:@"minimumScaleFactor"]; + } else if ([self.addressLabel respondsToSelector:NSSelectorFromString(@"setMinimumFontSize:")]) { + [self.addressLabel setValue:@(10.0) forKey:@"minimumFontSize"]; + } + + self.addressLabel.multipleTouchEnabled = NO; + self.addressLabel.numberOfLines = 1; + self.addressLabel.opaque = NO; + self.addressLabel.shadowOffset = CGSizeMake(0.0, -1.0); + self.addressLabel.text = NSLocalizedString(@"Loading...", nil); + self.addressLabel.textAlignment = NSTextAlignmentLeft; + self.addressLabel.textColor = [UIColor colorWithWhite:1.000 alpha:1.000]; + self.addressLabel.userInteractionEnabled = NO; + + NSString* frontArrowString = NSLocalizedString(@"►", nil); // create arrow from Unicode char + self.forwardButton = [[UIBarButtonItem alloc] initWithTitle:frontArrowString style:UIBarButtonItemStylePlain target:self action:@selector(goForward:)]; + self.forwardButton.enabled = YES; + self.forwardButton.imageInsets = UIEdgeInsetsZero; + + NSString* backArrowString = NSLocalizedString(@"◄", nil); // create arrow from Unicode char + self.backButton = [[UIBarButtonItem alloc] initWithTitle:backArrowString style:UIBarButtonItemStylePlain target:self action:@selector(goBack:)]; + self.backButton.enabled = YES; + self.backButton.imageInsets = UIEdgeInsetsZero; + + [self.toolbar setItems:@[self.closeButton, flexibleSpaceButton, self.backButton, fixedSpaceButton, self.forwardButton]]; + + self.view.backgroundColor = [UIColor grayColor]; + [self.view addSubview:self.toolbar]; + [self.view addSubview:self.addressLabel]; + [self.view addSubview:self.spinner]; +} + +- (void) setWebViewFrame : (CGRect) frame { + NSLog(@"Setting the WebView's frame to %@", NSStringFromCGRect(frame)); + [self.webView setFrame:frame]; +} + +- (void)setCloseButtonTitle:(NSString*)title +{ + // the advantage of using UIBarButtonSystemItemDone is the system will localize it for you automatically + // but, if you want to set this yourself, knock yourself out (we can't set the title for a system Done button, so we have to create a new one) + self.closeButton = nil; + self.closeButton = [[UIBarButtonItem alloc] initWithTitle:title style:UIBarButtonItemStyleBordered target:self action:@selector(close)]; + self.closeButton.enabled = YES; + self.closeButton.tintColor = [UIColor colorWithRed:60.0 / 255.0 green:136.0 / 255.0 blue:230.0 / 255.0 alpha:1]; + + NSMutableArray* items = [self.toolbar.items mutableCopy]; + [items replaceObjectAtIndex:0 withObject:self.closeButton]; + [self.toolbar setItems:items]; +} + +- (void)showLocationBar:(BOOL)show +{ + CGRect locationbarFrame = self.addressLabel.frame; + + BOOL toolbarVisible = !self.toolbar.hidden; + + // prevent double show/hide + if (show == !(self.addressLabel.hidden)) { + return; + } + + if (show) { + self.addressLabel.hidden = NO; + + if (toolbarVisible) { + // toolBar at the bottom, leave as is + // put locationBar on top of the toolBar + + CGRect webViewBounds = self.view.bounds; + webViewBounds.size.height -= FOOTER_HEIGHT; + [self setWebViewFrame:webViewBounds]; + + locationbarFrame.origin.y = webViewBounds.size.height; + self.addressLabel.frame = locationbarFrame; + } else { + // no toolBar, so put locationBar at the bottom + + CGRect webViewBounds = self.view.bounds; + webViewBounds.size.height -= LOCATIONBAR_HEIGHT; + [self setWebViewFrame:webViewBounds]; + + locationbarFrame.origin.y = webViewBounds.size.height; + self.addressLabel.frame = locationbarFrame; + } + } else { + self.addressLabel.hidden = YES; + + if (toolbarVisible) { + // locationBar is on top of toolBar, hide locationBar + + // webView take up whole height less toolBar height + CGRect webViewBounds = self.view.bounds; + webViewBounds.size.height -= TOOLBAR_HEIGHT; + [self setWebViewFrame:webViewBounds]; + } else { + // no toolBar, expand webView to screen dimensions + [self setWebViewFrame:self.view.bounds]; + } + } +} + +- (void)showToolBar:(BOOL)show : (NSString *) toolbarPosition +{ + CGRect toolbarFrame = self.toolbar.frame; + CGRect locationbarFrame = self.addressLabel.frame; + + BOOL locationbarVisible = !self.addressLabel.hidden; + + // prevent double show/hide + if (show == !(self.toolbar.hidden)) { + return; + } + + if (show) { + self.toolbar.hidden = NO; + CGRect webViewBounds = self.view.bounds; + + if (locationbarVisible) { + // locationBar at the bottom, move locationBar up + // put toolBar at the bottom + webViewBounds.size.height -= FOOTER_HEIGHT; + locationbarFrame.origin.y = webViewBounds.size.height; + self.addressLabel.frame = locationbarFrame; + self.toolbar.frame = toolbarFrame; + } else { + // no locationBar, so put toolBar at the bottom + CGRect webViewBounds = self.view.bounds; + webViewBounds.size.height -= TOOLBAR_HEIGHT; + self.toolbar.frame = toolbarFrame; + } + + if ([toolbarPosition isEqualToString:kInAppBrowserToolbarBarPositionTop]) { + toolbarFrame.origin.y = 0; + webViewBounds.origin.y += toolbarFrame.size.height; + [self setWebViewFrame:webViewBounds]; + } else { + toolbarFrame.origin.y = (webViewBounds.size.height + LOCATIONBAR_HEIGHT); + } + [self setWebViewFrame:webViewBounds]; + + } else { + self.toolbar.hidden = YES; + + if (locationbarVisible) { + // locationBar is on top of toolBar, hide toolBar + // put locationBar at the bottom + + // webView take up whole height less locationBar height + CGRect webViewBounds = self.view.bounds; + webViewBounds.size.height -= LOCATIONBAR_HEIGHT; + [self setWebViewFrame:webViewBounds]; + + // move locationBar down + locationbarFrame.origin.y = webViewBounds.size.height; + self.addressLabel.frame = locationbarFrame; + } else { + // no locationBar, expand webView to screen dimensions + [self setWebViewFrame:self.view.bounds]; + } + } +} + +- (void)viewDidLoad +{ + [super viewDidLoad]; +} + +- (void)viewDidUnload +{ + [self.webView loadHTMLString:nil baseURL:nil]; + [CDVUserAgentUtil releaseLock:&_userAgentLockToken]; + [super viewDidUnload]; +} + +- (UIStatusBarStyle)preferredStatusBarStyle +{ + return UIStatusBarStyleDefault; +} + +- (void)close +{ + [CDVUserAgentUtil releaseLock:&_userAgentLockToken]; + self.currentURL = nil; + + if ((self.navigationDelegate != nil) && [self.navigationDelegate respondsToSelector:@selector(browserExit)]) { + [self.navigationDelegate browserExit]; + } + + // Run later to avoid the "took a long time" log message. + dispatch_async(dispatch_get_main_queue(), ^{ + if ([self respondsToSelector:@selector(presentingViewController)]) { + [[self presentingViewController] dismissViewControllerAnimated:YES completion:nil]; + } else { + [[self parentViewController] dismissViewControllerAnimated:YES completion:nil]; + } + }); +} + +- (void)navigateTo:(NSURL*)url +{ + NSURLRequest* request = [NSURLRequest requestWithURL:url]; + + if (_userAgentLockToken != 0) { + [self.webView loadRequest:request]; + } else { + [CDVUserAgentUtil acquireLock:^(NSInteger lockToken) { + _userAgentLockToken = lockToken; + [CDVUserAgentUtil setUserAgent:_userAgent lockToken:lockToken]; + [self.webView loadRequest:request]; + }]; + } +} + +- (void)goBack:(id)sender +{ + [self.webView goBack]; +} + +- (void)goForward:(id)sender +{ + [self.webView goForward]; +} + +- (void)viewWillAppear:(BOOL)animated +{ + if (IsAtLeastiOSVersion(@"7.0")) { + [[UIApplication sharedApplication] setStatusBarStyle:[self preferredStatusBarStyle]]; + } + [self rePositionViews]; + + [super viewWillAppear:animated]; +} + +// +// On iOS 7 the status bar is part of the view's dimensions, therefore it's height has to be taken into account. +// The height of it could be hardcoded as 20 pixels, but that would assume that the upcoming releases of iOS won't +// change that value. +// +- (float) getStatusBarOffset { + CGRect statusBarFrame = [[UIApplication sharedApplication] statusBarFrame]; + float statusBarOffset = IsAtLeastiOSVersion(@"7.0") ? MIN(statusBarFrame.size.width, statusBarFrame.size.height) : 0.0; + return statusBarOffset; +} + +- (void) rePositionViews { + if ([_browserOptions.toolbarposition isEqualToString:kInAppBrowserToolbarBarPositionTop]) { + [self.webView setFrame:CGRectMake(self.webView.frame.origin.x, TOOLBAR_HEIGHT, self.webView.frame.size.width, self.webView.frame.size.height)]; + [self.toolbar setFrame:CGRectMake(self.toolbar.frame.origin.x, [self getStatusBarOffset], self.toolbar.frame.size.width, self.toolbar.frame.size.height)]; + } +} + +#pragma mark UIWebViewDelegate + +- (void)webViewDidStartLoad:(UIWebView*)theWebView +{ + // loading url, start spinner, update back/forward + + self.addressLabel.text = NSLocalizedString(@"Loading...", nil); + self.backButton.enabled = theWebView.canGoBack; + self.forwardButton.enabled = theWebView.canGoForward; + + [self.spinner startAnimating]; + + return [self.navigationDelegate webViewDidStartLoad:theWebView]; +} + +- (BOOL)webView:(UIWebView*)theWebView shouldStartLoadWithRequest:(NSURLRequest*)request navigationType:(UIWebViewNavigationType)navigationType +{ + BOOL isTopLevelNavigation = [request.URL isEqual:[request mainDocumentURL]]; + + if (isTopLevelNavigation) { + self.currentURL = request.URL; + } + return [self.navigationDelegate webView:theWebView shouldStartLoadWithRequest:request navigationType:navigationType]; +} + +- (void)webViewDidFinishLoad:(UIWebView*)theWebView +{ + // update url, stop spinner, update back/forward + + self.addressLabel.text = [self.currentURL absoluteString]; + self.backButton.enabled = theWebView.canGoBack; + self.forwardButton.enabled = theWebView.canGoForward; + + [self.spinner stopAnimating]; + + // Work around a bug where the first time a PDF is opened, all UIWebViews + // reload their User-Agent from NSUserDefaults. + // This work-around makes the following assumptions: + // 1. The app has only a single Cordova Webview. If not, then the app should + // take it upon themselves to load a PDF in the background as a part of + // their start-up flow. + // 2. That the PDF does not require any additional network requests. We change + // the user-agent here back to that of the CDVViewController, so requests + // from it must pass through its white-list. This *does* break PDFs that + // contain links to other remote PDF/websites. + // More info at https://issues.apache.org/jira/browse/CB-2225 + BOOL isPDF = [@"true" isEqualToString :[theWebView stringByEvaluatingJavaScriptFromString:@"document.body==null"]]; + if (isPDF) { + [CDVUserAgentUtil setUserAgent:_prevUserAgent lockToken:_userAgentLockToken]; + } + + [self.navigationDelegate webViewDidFinishLoad:theWebView]; +} + +- (void)webView:(UIWebView*)theWebView didFailLoadWithError:(NSError*)error +{ + // log fail message, stop spinner, update back/forward + NSLog(@"webView:didFailLoadWithError - %ld: %@", (long)error.code, [error localizedDescription]); + + self.backButton.enabled = theWebView.canGoBack; + self.forwardButton.enabled = theWebView.canGoForward; + [self.spinner stopAnimating]; + + self.addressLabel.text = NSLocalizedString(@"Load Error", nil); + + [self.navigationDelegate webView:theWebView didFailLoadWithError:error]; +} + +#pragma mark CDVScreenOrientationDelegate + +- (BOOL)shouldAutorotate +{ + if ((self.orientationDelegate != nil) && [self.orientationDelegate respondsToSelector:@selector(shouldAutorotate)]) { + return [self.orientationDelegate shouldAutorotate]; + } + return YES; +} + +- (NSUInteger)supportedInterfaceOrientations +{ + if ((self.orientationDelegate != nil) && [self.orientationDelegate respondsToSelector:@selector(supportedInterfaceOrientations)]) { + return [self.orientationDelegate supportedInterfaceOrientations]; + } + + return 1 << UIInterfaceOrientationPortrait; +} + +- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation +{ + if ((self.orientationDelegate != nil) && [self.orientationDelegate respondsToSelector:@selector(shouldAutorotateToInterfaceOrientation:)]) { + return [self.orientationDelegate shouldAutorotateToInterfaceOrientation:interfaceOrientation]; + } + + return YES; +} + +@end + +@implementation CDVInAppBrowserOptions + +- (id)init +{ + if (self = [super init]) { + // default values + self.location = YES; + self.toolbar = YES; + self.closebuttoncaption = nil; + self.toolbarposition = kInAppBrowserToolbarBarPositionBottom; + self.clearcache = NO; + self.clearsessioncache = NO; + + self.enableviewportscale = NO; + self.mediaplaybackrequiresuseraction = NO; + self.allowinlinemediaplayback = NO; + self.keyboarddisplayrequiresuseraction = YES; + self.suppressesincrementalrendering = NO; + self.hidden = NO; + self.disallowoverscroll = NO; + } + + return self; +} + ++ (CDVInAppBrowserOptions*)parseOptions:(NSString*)options +{ + CDVInAppBrowserOptions* obj = [[CDVInAppBrowserOptions alloc] init]; + + // NOTE: this parsing does not handle quotes within values + NSArray* pairs = [options componentsSeparatedByString:@","]; + + // parse keys and values, set the properties + for (NSString* pair in pairs) { + NSArray* keyvalue = [pair componentsSeparatedByString:@"="]; + + if ([keyvalue count] == 2) { + NSString* key = [[keyvalue objectAtIndex:0] lowercaseString]; + NSString* value = [keyvalue objectAtIndex:1]; + NSString* value_lc = [value lowercaseString]; + + BOOL isBoolean = [value_lc isEqualToString:@"yes"] || [value_lc isEqualToString:@"no"]; + NSNumberFormatter* numberFormatter = [[NSNumberFormatter alloc] init]; + [numberFormatter setAllowsFloats:YES]; + BOOL isNumber = [numberFormatter numberFromString:value_lc] != nil; + + // set the property according to the key name + if ([obj respondsToSelector:NSSelectorFromString(key)]) { + if (isNumber) { + [obj setValue:[numberFormatter numberFromString:value_lc] forKey:key]; + } else if (isBoolean) { + [obj setValue:[NSNumber numberWithBool:[value_lc isEqualToString:@"yes"]] forKey:key]; + } else { + [obj setValue:value forKey:key]; + } + } + } + } + + return obj; +} + +@end + +@implementation CDVInAppBrowserNavigationController : UINavigationController + +- (void) viewDidLoad { + + CGRect frame = [UIApplication sharedApplication].statusBarFrame; + + // simplified from: http://stackoverflow.com/a/25669695/219684 + + UIToolbar* bgToolbar = [[UIToolbar alloc] initWithFrame:frame]; + bgToolbar.barStyle = UIBarStyleDefault; + [self.view addSubview:bgToolbar]; + + [super viewDidLoad]; +} + + +#pragma mark CDVScreenOrientationDelegate + +- (BOOL)shouldAutorotate +{ + if ((self.orientationDelegate != nil) && [self.orientationDelegate respondsToSelector:@selector(shouldAutorotate)]) { + return [self.orientationDelegate shouldAutorotate]; + } + return YES; +} + +- (NSUInteger)supportedInterfaceOrientations +{ + if ((self.orientationDelegate != nil) && [self.orientationDelegate respondsToSelector:@selector(supportedInterfaceOrientations)]) { + return [self.orientationDelegate supportedInterfaceOrientations]; + } + + return 1 << UIInterfaceOrientationPortrait; +} + +- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation +{ + if ((self.orientationDelegate != nil) && [self.orientationDelegate respondsToSelector:@selector(shouldAutorotateToInterfaceOrientation:)]) { + return [self.orientationDelegate shouldAutorotateToInterfaceOrientation:interfaceOrientation]; + } + + return YES; +} + + +@end + |