1 #include <BrowserView.h>
3 @interface WebView (Cydia)
4 - (void) setScriptDebugDelegate:(id)delegate;
5 - (void) _setFormDelegate:(id)delegate;
6 - (void) _setUIKitDelegate:(id)delegate;
7 - (void) setWebMailDelegate:(id)delegate;
8 - (void) _setLayoutInterval:(float)interval;
11 @implementation BrowserView
14 #include "Internals.h"
18 if (challenge_ != nil)
21 WebView *webview = [webview_ webView];
22 [webview setFrameLoadDelegate:nil];
23 [webview setResourceLoadDelegate:nil];
24 [webview setUIDelegate:nil];
25 [webview setScriptDebugDelegate:nil];
26 [webview setPolicyDelegate:nil];
28 [webview setDownloadDelegate:nil];
30 [webview _setFormDelegate:nil];
31 [webview _setUIKitDelegate:nil];
32 [webview setWebMailDelegate:nil];
33 [webview setEditingDelegate:nil];
35 [webview_ setDelegate:nil];
36 [webview_ setGestureDelegate:nil];
38 //NSNotificationCenter *center = [NSNotificationCenter defaultCenter];
43 [webview_ removeFromSuperview];
44 [Documents_ addObject:[webview_ autorelease]];
49 [indirect_ setDelegate:nil];
52 [scroller_ setDelegate:nil];
70 - (void) loadURL:(NSURL *)url cachePolicy:(NSURLRequestCachePolicy)policy {
71 [self loadRequest:[NSURLRequest
78 - (void) loadURL:(NSURL *)url {
79 [self loadURL:url cachePolicy:NSURLRequestUseProtocolCachePolicy];
82 - (NSMutableURLRequest *) _addHeadersToRequest:(NSURLRequest *)request {
83 NSMutableURLRequest *copy = [request mutableCopy];
86 [copy setValue:[NSString stringWithUTF8String:Machine_] forHTTPHeaderField:@"X-Machine"];
88 [copy setValue:UniqueID_ forHTTPHeaderField:@"X-Unique-ID"];
91 [copy setValue:Role_ forHTTPHeaderField:@"X-Role"];
96 - (void) loadRequest:(NSURLRequest *)request {
99 [webview_ loadRequest:request];
103 NSLog(@"rlu:%@", request_);
107 if ([request_ HTTPBody] == nil && [request_ HTTPBodyStream] == nil)
108 [self loadRequest:request_];
110 UIActionSheet *sheet = [[[UIActionSheet alloc]
111 initWithTitle:@"Are you sure you want to submit this form again?"
112 buttons:[NSArray arrayWithObjects:@"Cancel", @"Submit", nil]
118 [sheet setNumberOfRows:1];
119 [sheet popupAlertAnimated:YES];
123 - (WebView *) webView {
124 return [webview_ webView];
127 - (void) view:(UIView *)sender didSetFrame:(CGRect)frame {
128 [scroller_ setContentSize:frame.size];
131 - (void) view:(UIView *)sender didSetFrame:(CGRect)frame oldFrame:(CGRect)old {
132 [self view:sender didSetFrame:frame];
135 - (void) pushPage:(RVPage *)page {
136 [self setBackButtonTitle:title_];
137 [page setDelegate:delegate_];
138 [book_ pushPage:page];
141 - (BOOL) getSpecial:(NSURL *)url {
142 NSString *href([url absoluteString]);
143 NSString *scheme([[url scheme] lowercaseString]);
147 if ([href hasPrefix:@"apptapp://package/"])
148 page = [delegate_ pageForPackage:[href substringFromIndex:18]];
149 else if ([scheme isEqualToString:@"cydia"]) {
150 page = [delegate_ pageForURL:url hasTag:NULL];
153 } else if (![scheme isEqualToString:@"apptapp"])
157 [self pushPage:page];
161 - (void) webView:(WebView *)sender runJavaScriptAlertPanelWithMessage:(NSString *)message initiatedByFrame:(WebFrame *)frame {
162 UIActionSheet *sheet = [[[UIActionSheet alloc]
164 buttons:[NSArray arrayWithObjects:@"OK", nil]
170 [sheet setBodyText:message];
171 [sheet popupAlertAnimated:YES];
174 - (BOOL) webView:(WebView *)sender runJavaScriptConfirmPanelWithMessage:(NSString *)message initiatedByFrame:(WebFrame *)frame {
175 UIActionSheet *sheet = [[[UIActionSheet alloc]
177 buttons:[NSArray arrayWithObjects:@"OK", @"Cancel", nil]
183 [sheet setNumberOfRows:1];
184 [sheet setBodyText:message];
185 [sheet popupAlertAnimated:YES];
187 NSRunLoop *loop([NSRunLoop currentRunLoop]);
188 NSDate *future([NSDate distantFuture]);
190 while (confirm_ == nil && [loop runMode:NSDefaultRunLoopMode beforeDate:future]);
192 NSNumber *confirm([confirm_ autorelease]);
194 return [confirm boolValue];
197 /* Web Scripting {{{ */
198 + (NSString *) webScriptNameForSelector:(SEL)selector {
199 if (selector == @selector(getPackageById:))
200 return @"getPackageById";
201 else if (selector == @selector(setButtonImage:withStyle:toFunction:))
202 return @"setButtonImage";
203 else if (selector == @selector(setButtonTitle:withStyle:toFunction:))
204 return @"setButtonTitle";
205 else if (selector == @selector(supports:))
207 else if (selector == @selector(du:))
209 else if (selector == @selector(statfs:))
215 + (BOOL) isSelectorExcludedFromWebScript:(SEL)selector {
216 return [self webScriptNameForSelector:selector] == nil;
219 - (BOOL) supports:(NSString *)feature {
220 return [feature isEqualToString:@"window.open"];
223 - (Package *) getPackageById:(NSString *)id {
224 return [[Database sharedInstance] packageWithName:id];
227 - (NSArray *) statfs:(NSString *)path {
230 if (path == nil || statfs([path UTF8String], &stat) == -1)
233 return [NSArray arrayWithObjects:
234 [NSNumber numberWithUnsignedLong:stat.f_bsize],
235 [NSNumber numberWithUnsignedLong:stat.f_blocks],
236 [NSNumber numberWithUnsignedLong:stat.f_bfree],
240 - (NSNumber *) du:(NSString *)path {
241 NSNumber *value(nil);
243 /* XXX: omfg this is stupid */
244 if (FILE *du = popen([[@"du -s " stringByAppendingString:path] UTF8String], "r")) {
246 while (fgets(line, sizeof(line), du) != NULL) {
247 size_t length(strlen(line));
248 while (length != 0 && line[length - 1] == '\n')
249 line[--length] = '\0';
250 if (char *tab = strchr(line, '\t')) {
252 value = [NSNumber numberWithUnsignedLong:strtoul(line, NULL, 0)];
262 - (void) setButtonImage:(NSString *)button withStyle:(NSString *)style toFunction:(id)function {
264 [button_ autorelease];
265 button_ = button == nil ? nil : [[UIImage imageWithData:[NSData dataWithContentsOfURL:[NSURL URLWithString:button]]] retain];
268 [style_ autorelease];
269 style_ = style == nil ? nil : [style retain];
271 if (function_ != nil)
272 [function_ autorelease];
273 function_ = function == nil ? nil : [function retain];
276 - (void) setButtonTitle:(NSString *)button withStyle:(NSString *)style toFunction:(id)function {
278 [button_ autorelease];
279 button_ = button == nil ? nil : [button retain];
282 [style_ autorelease];
283 style_ = style == nil ? nil : [style retain];
285 if (function_ != nil)
286 [function_ autorelease];
287 function_ = function == nil ? nil : [function retain];
291 - (void) webView:(WebView *)sender didClearWindowObject:(WebScriptObject *)window forFrame:(WebFrame *)frame {
292 [window setValue:self forKey:@"cydia"];
295 - (void) webView:(WebView *)sender unableToImplementPolicyWithError:(NSError *)error frame:(WebFrame *)frame {
296 NSLog(@"err:%@", error);
299 - (void) webView:(WebView *)sender decidePolicyForNewWindowAction:(NSDictionary *)action request:(NSURLRequest *)request newFrameName:(NSString *)name decisionListener:(id<WebPolicyDecisionListener>)listener {
300 if (NSURL *url = [request URL]) {
301 if (name != nil && [name isEqualToString:@"_open"])
302 [delegate_ openURL:url];
304 NSLog(@"win:%@:%@", url, [action description]);
305 if (![self getSpecial:url]) {
306 NSString *scheme([[url scheme] lowercaseString]);
307 if ([scheme isEqualToString:@"mailto"])
308 [delegate_ openMailToURL:url];
317 - (void) webView:(WebView *)webView decidePolicyForMIMEType:(NSString *)type request:(NSURLRequest *)request frame:(WebFrame *)frame decisionListener:(id<WebPolicyDecisionListener>)listener {
318 if ([WebView canShowMIMEType:type])
321 // XXX: handle more mime types!
323 if (frame == [webView mainFrame])
324 [UIApp openURL:[request URL]];
328 - (void) webView:(WebView *)sender decidePolicyForNavigationAction:(NSDictionary *)action request:(NSURLRequest *)request frame:(WebFrame *)frame decisionListener:(id<WebPolicyDecisionListener>)listener {
329 if (request == nil) ignore: {
334 NSURL *url([request URL]);
336 if (url == nil) use: {
337 if (!error_ && [frame parentFrame] == nil) {
339 [request_ autorelease];
340 request_ = [request retain];
341 NSLog(@"dpn:%@", request_);
348 else NSLog(@"nav:%@:%@", url, [action description]);
351 const NSArray *capability(reinterpret_cast<const NSArray *>(GSSystemGetCapability(kGSDisplayIdentifiersCapability)));
354 [capability containsObject:@"com.apple.Maps"] && [url mapsURL] ||
355 [capability containsObject:@"com.apple.youtube"] && [url youTubeURL]
362 int store(_not(int));
363 if (NSURL *itms = [url itmsURL:&store]) {
364 NSLog(@"itms#%@#%u#%@", url, store, itms);
366 store == 1 && [capability containsObject:@"com.apple.MobileStore"] ||
367 store == 2 && [capability containsObject:@"com.apple.AppStore"]
374 NSString *scheme([[url scheme] lowercaseString]);
376 if ([scheme isEqualToString:@"tel"]) {
381 if ([scheme isEqualToString:@"mailto"]) {
382 [delegate_ openMailToURL:url];
386 if ([self getSpecial:url])
388 else if ([WebView _canHandleRequest:request])
390 else if ([url isSpringboardHandledURL])
396 - (void) webView:(WebView *)sender setStatusText:(NSString *)text {
397 //lprintf("Status:%s\n", [text UTF8String]);
404 [book_ pushPage:self];
407 - (void) alertSheet:(UIActionSheet *)sheet buttonClicked:(int)button {
408 NSString *context([sheet context]);
410 if ([context isEqualToString:@"alert"])
412 else if ([context isEqualToString:@"confirm"]) {
415 confirm_ = [NSNumber numberWithBool:YES];
419 confirm_ = [NSNumber numberWithBool:NO];
424 } else if ([context isEqualToString:@"challenge"]) {
425 id<NSURLAuthenticationChallengeSender> sender([challenge_ sender]);
429 NSString *username([[sheet textFieldAtIndex:0] text]);
430 NSString *password([[sheet textFieldAtIndex:1] text]);
432 NSURLCredential *credential([NSURLCredential credentialWithUser:username password:password persistence:NSURLCredentialPersistenceForSession]);
434 [sender useCredential:credential forAuthenticationChallenge:challenge_];
438 [sender cancelAuthenticationChallenge:challenge_];
445 [challenge_ release];
449 } else if ([context isEqualToString:@"submit"]) {
456 [webview_ loadRequest:request_];
467 - (void) webView:(WebView *)sender resource:(id)identifier didReceiveAuthenticationChallenge:(NSURLAuthenticationChallenge *)challenge fromDataSource:(WebDataSource *)source {
468 challenge_ = [challenge retain];
470 NSURLProtectionSpace *space([challenge protectionSpace]);
471 NSString *realm([space realm]);
475 UIActionSheet *sheet = [[[UIActionSheet alloc]
477 buttons:[NSArray arrayWithObjects:@"Login", @"Cancel", nil]
483 [sheet setNumberOfRows:1];
485 [sheet addTextFieldWithValue:@"" label:@"username"];
486 [sheet addTextFieldWithValue:@"" label:@"password"];
488 UITextField *username([sheet textFieldAtIndex:0]); {
489 UITextInputTraits *traits([username textInputTraits]);
490 [traits setAutocapitalizationType:UITextAutocapitalizationTypeNone];
491 [traits setAutocorrectionType:UITextAutocorrectionTypeNo];
492 [traits setKeyboardType:UIKeyboardTypeASCIICapable];
493 [traits setReturnKeyType:UIReturnKeyNext];
496 UITextField *password([sheet textFieldAtIndex:1]); {
497 UITextInputTraits *traits([password textInputTraits]);
498 [traits setAutocapitalizationType:UITextAutocapitalizationTypeNone];
499 [traits setAutocorrectionType:UITextAutocorrectionTypeNo];
500 [traits setKeyboardType:UIKeyboardTypeASCIICapable];
501 // XXX: UIReturnKeyDone
502 [traits setReturnKeyType:UIReturnKeyNext];
503 [traits setSecureTextEntry:YES];
506 [sheet popupAlertAnimated:YES];
509 - (NSURLRequest *) webView:(WebView *)sender resource:(id)identifier willSendRequest:(NSURLRequest *)request redirectResponse:(NSURLResponse *)redirectResponse fromDataSource:(WebDataSource *)source {
510 NSURL *url = [request URL];
511 if ([self getSpecial:url])
514 return [self _addHeadersToRequest:request];
517 - (WebView *) _createWebViewWithRequest:(NSURLRequest *)request pushed:(BOOL)pushed {
518 [self setBackButtonTitle:title_];
520 BrowserView *browser = [[[BrowserView alloc] initWithBook:book_] autorelease];
521 [browser setDelegate:delegate_];
524 [browser loadRequest:request];
525 [book_ pushPage:browser];
528 return [browser webView];
531 - (WebView *) webView:(WebView *)sender createWebViewWithRequest:(NSURLRequest *)request {
532 return [self _createWebViewWithRequest:request pushed:(request != nil)];
535 - (WebView *) webView:(WebView *)sender createWebViewWithRequest:(NSURLRequest *)request windowFeatures:(NSDictionary *)features {
536 return [self _createWebViewWithRequest:request pushed:YES];
539 - (void) webView:(WebView *)sender didReceiveTitle:(NSString *)title forFrame:(WebFrame *)frame {
540 if ([frame parentFrame] != nil)
543 title_ = [title retain];
544 [book_ reloadTitleForPage:self];
547 - (void) webView:(WebView *)sender didStartProvisionalLoadForFrame:(WebFrame *)frame {
548 if ([frame parentFrame] != nil)
553 [self reloadButtons];
560 if (button_ != nil) {
570 if (function_ != nil) {
575 [book_ reloadTitleForPage:self];
577 [scroller_ scrollPointVisibleAtTopLeft:CGPointZero];
579 CGRect webrect = [scroller_ bounds];
580 webrect.size.height = 0;
581 [webview_ setFrame:webrect];
584 - (void) _finishLoading {
587 [self reloadButtons];
595 - (void) reloadButtons {
597 [indicator_ startAnimation];
599 [indicator_ stopAnimation];
600 [super reloadButtons];
603 - (BOOL) webView:(WebView *)sender shouldScrollToPoint:(struct CGPoint)point forFrame:(WebFrame *)frame {
604 return [webview_ webView:sender shouldScrollToPoint:point forFrame:frame];
607 - (void) webView:(WebView *)sender didReceiveViewportArguments:(id)arguments forFrame:(WebFrame *)frame {
608 return [webview_ webView:sender didReceiveViewportArguments:arguments forFrame:frame];
611 - (void) webView:(WebView *)sender needsScrollNotifications:(id)notifications forFrame:(WebFrame *)frame {
612 return [webview_ webView:sender needsScrollNotifications:notifications forFrame:frame];
615 - (void) webView:(WebView *)sender didCommitLoadForFrame:(WebFrame *)frame {
616 return [webview_ webView:sender didCommitLoadForFrame:frame];
619 - (void) webView:(WebView *)sender didReceiveDocTypeForFrame:(WebFrame *)frame {
620 return [webview_ webView:sender didReceiveDocTypeForFrame:frame];
623 - (void) webView:(WebView *)sender didFinishLoadForFrame:(WebFrame *)frame {
624 if ([frame parentFrame] == nil) {
625 [self _finishLoading];
627 if (DOMDocument *document = [frame DOMDocument])
628 if (DOMNodeList<NSFastEnumeration> *bodies = [document getElementsByTagName:@"body"])
629 for (DOMHTMLBodyElement *body in bodies) {
630 DOMCSSStyleDeclaration *style([document getComputedStyle:body pseudoElement:nil]);
634 if (DOMCSSPrimitiveValue *color = static_cast<DOMCSSPrimitiveValue *>([style getPropertyCSSValue:@"background-color"])) {
635 if ([color primitiveType] == DOM_CSS_RGBCOLOR) {
636 DOMRGBColor *rgb([color getRGBColorValue]);
638 float red([[rgb red] getFloatValue:DOM_CSS_NUMBER]);
639 float green([[rgb green] getFloatValue:DOM_CSS_NUMBER]);
640 float blue([[rgb blue] getFloatValue:DOM_CSS_NUMBER]);
641 float alpha([[rgb alpha] getFloatValue:DOM_CSS_NUMBER]);
645 if (red == 0xc7 && green == 0xce && blue == 0xd5)
646 uic = [UIColor pinStripeColor];
649 colorWithRed:(red / 255)
657 [scroller_ setBackgroundColor:uic];
663 [scroller_ setBackgroundColor:[UIColor pinStripeColor]];
668 return [webview_ webView:sender didFinishLoadForFrame:frame];
671 - (void) webView:(WebView *)sender didFailProvisionalLoadWithError:(NSError *)error forFrame:(WebFrame *)frame {
672 if ([frame parentFrame] != nil)
674 [self _finishLoading];
676 [self loadURL:[NSURL URLWithString:[NSString stringWithFormat:@"%@?%@",
677 [[NSURL fileURLWithPath:[[NSBundle mainBundle] pathForResource:@"error" ofType:@"html"]] absoluteString],
678 [[error localizedDescription] stringByAddingPercentEscapes]
684 - (void) webView:(WebView *)sender addMessageToConsole:(NSDictionary *)dictionary {
686 lprintf("Console:%s\n", [[dictionary description] UTF8String]);
690 - (id) initWithBook:(RVBook *)book {
691 if ((self = [super initWithBook:book]) != nil) {
694 struct CGRect bounds = [self bounds];
696 scroller_ = [[UIScroller alloc] initWithFrame:bounds];
697 [self addSubview:scroller_];
699 [scroller_ setShowBackgroundShadow:NO];
700 [scroller_ setFixedBackgroundPattern:YES];
701 [scroller_ setBackgroundColor:[UIColor pinStripeColor]];
703 [scroller_ setScrollingEnabled:YES];
704 [scroller_ setAdjustForContentSizeChange:YES];
705 [scroller_ setClipsSubviews:YES];
706 [scroller_ setAllowsRubberBanding:YES];
707 [scroller_ setScrollDecelerationFactor:0.99];
708 [scroller_ setDelegate:self];
710 CGRect webrect = [scroller_ bounds];
711 webrect.size.height = 0;
716 webview_ = [Documents_ lastObject];
717 if (webview_ != nil) {
718 webview_ = [webview_ retain];
719 webview = [webview_ webView];
720 [Documents_ removeLastObject];
721 [webview_ setFrame:webrect];
726 webview_ = [[UIWebDocumentView alloc] initWithFrame:webrect];
727 webview = [webview_ webView];
729 // XXX: this is terribly (too?) expensive
730 //[webview_ setDrawsBackground:NO];
731 [webview setPreferencesIdentifier:@"Cydia"];
733 [webview_ setTileSize:CGSizeMake(webrect.size.width, 500)];
735 [webview_ setAllowsMessaging:YES];
737 [webview_ setTilingEnabled:YES];
738 [webview_ setDrawsGrid:NO];
739 [webview_ setLogsTilingChanges:NO];
740 [webview_ setTileMinificationFilter:kCAFilterNearest];
741 [webview_ setDetectsPhoneNumbers:NO];
742 [webview_ setAutoresizes:YES];
744 [webview_ setMinimumScale:0.25f forDocumentTypes:0x10];
745 [webview_ setInitialScale:UIWebViewScalesToFitScale forDocumentTypes:0x10];
746 [webview_ setViewportSize:CGSizeMake(980, UIWebViewGrowsAndShrinksToFitHeight) forDocumentTypes:0x10];
748 [webview_ setViewportSize:CGSizeMake(320, UIWebViewGrowsAndShrinksToFitHeight) forDocumentTypes:0x2];
750 [webview_ setMinimumScale:1.0f forDocumentTypes:0x8];
751 [webview_ setInitialScale:UIWebViewScalesToFitScale forDocumentTypes:0x8];
752 [webview_ setViewportSize:CGSizeMake(320, UIWebViewGrowsAndShrinksToFitHeight) forDocumentTypes:0x8];
754 [webview_ _setDocumentType:0x4];
756 [webview_ setZoomsFocusedFormControl:YES];
757 [webview_ setContentsPosition:7];
758 [webview_ setEnabledGestures:0xa];
759 [webview_ setValue:[NSNumber numberWithBool:YES] forGestureAttribute:UIGestureAttributeIsZoomRubberBandEnabled];
760 [webview_ setValue:[NSNumber numberWithBool:YES] forGestureAttribute:UIGestureAttributeUpdatesScroller];
762 [webview_ setSmoothsFonts:YES];
764 [webview _setUsesLoaderCache:YES];
765 [webview setGroupName:@"Cydia"];
766 [webview _setLayoutInterval:0];
769 [webview_ setDelegate:self];
770 [webview_ setGestureDelegate:self];
771 [scroller_ addSubview:webview_];
773 //NSNotificationCenter *center = [NSNotificationCenter defaultCenter];
775 CGSize indsize = [UIProgressIndicator defaultSizeForStyle:UIProgressIndicatorStyleMediumWhite];
776 indicator_ = [[UIProgressIndicator alloc] initWithFrame:CGRectMake(281, 12, indsize.width, indsize.height)];
777 [indicator_ setStyle:UIProgressIndicatorStyleMediumWhite];
779 Package *package([[Database sharedInstance] packageWithName:@"cydia"]);
780 NSString *application = package == nil ? @"Cydia" : [NSString
781 stringWithFormat:@"Cydia/%@",
783 ]; [webview setApplicationNameForUserAgent:application];
785 indirect_ = [[IndirectDelegate alloc] initWithDelegate:self];
787 [webview setFrameLoadDelegate:self];
788 [webview setResourceLoadDelegate:indirect_];
789 [webview setUIDelegate:self];
790 [webview setScriptDebugDelegate:self];
791 [webview setPolicyDelegate:self];
793 [self setAutoresizingMask:UIViewAutoresizingFlexibleHeight];
794 [scroller_ setAutoresizingMask:UIViewAutoresizingFlexibleHeight];
798 - (void) didFinishGesturesInView:(UIView *)view forEvent:(id)event {
799 [webview_ redrawScaledDocument];
802 - (void) _rightButtonClicked {
803 if (function_ == nil) {
807 WebView *webview([webview_ webView]);
808 WebFrame *frame([webview mainFrame]);
810 id _private(MSHookIvar<id>(webview, "_private"));
811 WebCore::Page *page(_private == nil ? NULL : MSHookIvar<WebCore::Page *>(_private, "page"));
812 WebCore::Settings *settings(page == NULL ? NULL : page->settings());
815 if (settings == NULL)
818 no = settings->JavaScriptCanOpenWindowsAutomatically();
819 settings->setJavaScriptCanOpenWindowsAutomatically(true);
822 [delegate_ clearFirstResponder];
823 JSObjectRef function([function_ JSObject]);
824 JSGlobalContextRef context([frame globalContext]);
825 JSObjectCallAsFunction(context, function, NULL, 0, NULL, NULL);
827 if (settings != NULL)
828 settings->setJavaScriptCanOpenWindowsAutomatically(no);
832 - (id) _rightButtonTitle {
833 return button_ != nil ? button_ : @"Reload";
836 - (id) rightButtonTitle {
837 return [self _loading] ? @"" : [self _rightButtonTitle];
840 - (UINavigationButtonStyle) rightButtonStyle {
841 if (style_ == nil) normal:
842 return UINavigationButtonStyleNormal;
843 else if ([style_ isEqualToString:@"Normal"])
844 return UINavigationButtonStyleNormal;
845 else if ([style_ isEqualToString:@"Back"])
846 return UINavigationButtonStyleBack;
847 else if ([style_ isEqualToString:@"Highlighted"])
848 return UINavigationButtonStyleHighlighted;
849 else if ([style_ isEqualToString:@"Destructive"])
850 return UINavigationButtonStyleDestructive;
854 - (NSString *) title {
855 return title_ == nil ? @"Loading" : title_;
858 - (NSString *) backButtonTitle {
862 - (void) setPageActive:(BOOL)active {
864 [indicator_ removeFromSuperview];
866 [[book_ navigationBar] addSubview:indicator_];
869 - (void) resetViewAnimated:(BOOL)animated {
872 - (void) setPushed:(bool)pushed {