UICaboodle/BrowserView.mm

   1 #include <UIKit/UIKit.h>
   2 #include "iPhonePrivate.h"
   3
   4 #include "UCPlatform.h"
   5
   6 #include <UICaboodle/BrowserView.h>
   7 #include <UICaboodle/UCLocalize.h>
   8
   9 //#include <QuartzCore/CALayer.h>
  10 // XXX: fix the minimum requirement
  11 extern NSString * const kCAFilterNearest;
  12
  13 #include <WebCore/WebCoreThread.h>
  14
  15 #include <WebKit/WebPolicyDelegate.h>
  16 #include <WebKit/WebPreferences.h>
  17
  18 #include <WebKit/DOMCSSPrimitiveValue.h>
  19 #include <WebKit/DOMCSSStyleDeclaration.h>
  20 #include <WebKit/DOMDocument.h>
  21 #include <WebKit/DOMHTMLBodyElement.h>
  22 #include <WebKit/DOMRGBColor.h>
  23
  24 //#include <WebCore/Page.h>
  25 //#include <WebCore/Settings.h>
  26
  27 #include "substrate.h"
  28
  29 #define ForSaurik 0
  30 #define DefaultTimeout_ 120.0
  31
  32 #define ShowInternals 0
  33 #define LogBrowser 0
  34 #define LogMessages 0
  35
  36 #define lprintf(args...) fprintf(stderr, args)
  37
  38 // WebThreadLocked {{{
  39 struct WebThreadLocked {
  40     _finline WebThreadLocked() {
  41         WebThreadLock();
  42     }
  43
  44     _finline ~WebThreadLocked() {
  45         WebThreadUnlock();
  46     }
  47 };
  48 // }}}
  49
  50 template <typename Type_>
  51 static inline void CYRelease(Type_ &value) {
  52     if (value != nil) {
  53         [value release];
  54         value = nil;
  55     }
  56 }
  57
  58 float CYScrollViewDecelerationRateNormal;
  59
  60 @interface WebView (Apple)
  61 - (void) _setLayoutInterval:(float)interval;
  62 - (void) _setAllowsMessaging:(BOOL)allows;
  63 @end
  64
  65 @interface WebPreferences (Apple)
  66 + (void) _setInitialDefaultTextEncodingToSystemEncoding;
  67 - (void) _setLayoutInterval:(NSInteger)interval;
  68 - (void) setOfflineWebApplicationCacheEnabled:(BOOL)enabled;
  69 @end
  70
  71 /* Indirect Delegate {{{ */
  72 @interface IndirectDelegate : NSObject <
  73     HookProtocol
  74 > {
  75     _transient volatile id delegate_;
  76 }
  77
  78 - (void) setDelegate:(id)delegate;
  79 - (id) initWithDelegate:(id)delegate;
  80 @end
  81
  82 @implementation IndirectDelegate
  83
  84 - (void) setDelegate:(id)delegate {
  85     delegate_ = delegate;
  86 }
  87
  88 - (id) initWithDelegate:(id)delegate {
  89     delegate_ = delegate;
  90     return self;
  91 }
  92
  93 - (void) didDismissModalViewController {
  94     if (delegate_ != nil)
  95         return [delegate_ didDismissModalViewController];
  96 }
  97
  98 - (IMP) methodForSelector:(SEL)sel {
  99     if (IMP method = [super methodForSelector:sel])
 100         return method;
 101     fprintf(stderr, "methodForSelector:[%s] == NULL\n", sel_getName(sel));
 102     return NULL;
 103 }
 104
 105 - (BOOL) respondsToSelector:(SEL)sel {
 106     if ([super respondsToSelector:sel])
 107         return YES;
 108
 109     // XXX: WebThreadCreateNSInvocation returns nil
 110
 111 #if ShowInternals
 112     fprintf(stderr, "[%s]R?%s\n", class_getName(self->isa), sel_getName(sel));
 113 #endif
 114
 115     return delegate_ == nil ? NO : [delegate_ respondsToSelector:sel];
 116 }
 117
 118 - (NSMethodSignature *) methodSignatureForSelector:(SEL)sel {
 119     if (NSMethodSignature *method = [super methodSignatureForSelector:sel])
 120         return method;
 121
 122 #if ShowInternals
 123     fprintf(stderr, "[%s]S?%s\n", class_getName(self->isa), sel_getName(sel));
 124 #endif
 125
 126     if (delegate_ != nil)
 127         if (NSMethodSignature *sig = [delegate_ methodSignatureForSelector:sel])
 128             return sig;
 129
 130     // XXX: I fucking hate Apple so very very bad
 131     return [NSMethodSignature signatureWithObjCTypes:"v@:"];
 132 }
 133
 134 - (void) forwardInvocation:(NSInvocation *)inv {
 135     SEL sel = [inv selector];
 136     if (delegate_ != nil && [delegate_ respondsToSelector:sel])
 137         [inv invokeWithTarget:delegate_];
 138 }
 139
 140 @end
 141 /* }}} */
 142
 143 @implementation WebScriptObject (UICaboodle)
 144
 145 - (NSUInteger) count {
 146     id length([self valueForKey:@"length"]);
 147     if ([length respondsToSelector:@selector(intValue)])
 148         return [length intValue];
 149     else
 150         return 0;
 151 }
 152
 153 - (id) objectAtIndex:(unsigned)index {
 154     return [self webScriptValueAtIndex:index];
 155 }
 156
 157 @end
 158
 159 // CYWebPolicyDecision* {{{
 160 enum CYWebPolicyDecision {
 161     CYWebPolicyDecisionUnknown,
 162     CYWebPolicyDecisionDownload,
 163     CYWebPolicyDecisionIgnore,
 164     CYWebPolicyDecisionUse,
 165 };
 166
 167 @interface CYWebPolicyDecisionMediator : NSObject <
 168     WebPolicyDecisionListener
 169 > {
 170     id<WebPolicyDecisionListener> listener_;
 171     CYWebPolicyDecision decision_;
 172 }
 173
 174 - (id) initWithListener:(id<WebPolicyDecisionListener>)listener;
 175
 176 - (CYWebPolicyDecision) decision;
 177 - (bool) decided;
 178 - (bool) decide;
 179
 180 @end
 181
 182 @implementation CYWebPolicyDecisionMediator
 183
 184 - (id) initWithListener:(id<WebPolicyDecisionListener>)listener {
 185     if ((self = [super init]) != nil) {
 186         listener_ = listener;
 187     } return self;
 188 }
 189
 190 - (CYWebPolicyDecision) decision {
 191     return decision_;
 192 }
 193
 194 - (bool) decided {
 195     return decision_ != CYWebPolicyDecisionUnknown;
 196 }
 197
 198 - (bool) decide {
 199     switch (decision_) {
 200         case CYWebPolicyDecisionUnknown:
 201         default:
 202             NSLog(@"CYWebPolicyDecisionUnknown");
 203             return false;
 204
 205         case CYWebPolicyDecisionDownload: [listener_ download]; break;
 206         case CYWebPolicyDecisionIgnore: [listener_ ignore]; break;
 207         case CYWebPolicyDecisionUse: [listener_ use]; break;
 208     }
 209
 210     return true;
 211 }
 212
 213 - (void) download {
 214     decision_ = CYWebPolicyDecisionDownload;
 215 }
 216
 217 - (void) ignore {
 218     decision_ = CYWebPolicyDecisionIgnore;
 219 }
 220
 221 - (void) use {
 222     decision_ = CYWebPolicyDecisionUse;
 223 }
 224
 225 @end
 226 // }}}
 227
 228 @implementation CYWebView : UIWebView
 229
 230 #if ShowInternals
 231 #include "UICaboodle/UCInternal.h"
 232 #endif
 233
 234 - (id) initWithFrame:(CGRect)frame {
 235     if ((self = [super initWithFrame:frame]) != nil) {
 236     } return self;
 237 }
 238
 239 - (void) dealloc {
 240     [super dealloc];
 241 }
 242
 243 - (id<CYWebViewDelegate>) delegate {
 244     return (id<CYWebViewDelegate>) [super delegate];
 245 }
 246
 247 /*- (WebView *) webView:(WebView *)view createWebViewWithRequest:(NSURLRequest *)request {
 248     id<CYWebViewDelegate> delegate([self delegate]);
 249     WebView *created(nil);
 250     if (created == nil && [delegate respondsToSelector:@selector(webView:createWebViewWithRequest:)])
 251         created = [delegate webView:view createWebViewWithRequest:request];
 252     if (created == nil && [UIWebView instancesRespondToSelector:@selector(webView:createWebViewWithRequest:)])
 253         created = [super webView:view createWebViewWithRequest:request];
 254     return created;
 255 }*/
 256
 257 // webView:addMessageToConsole: (X.Xx) {{{
 258 static void $UIWebViewWebViewDelegate$webView$addMessageToConsole$(UIWebViewWebViewDelegate *self, SEL sel, WebView *view, NSDictionary *message) {
 259     UIWebView *uiWebView(MSHookIvar<UIWebView *>(self, "uiWebView"));
 260     if ([uiWebView respondsToSelector:@selector(webView:addMessageToConsole:)])
 261         [uiWebView webView:view addMessageToConsole:message];
 262 }
 263
 264 - (void) webView:(WebView *)view addMessageToConsole:(NSDictionary *)message {
 265     id<CYWebViewDelegate> delegate([self delegate]);
 266     if ([delegate respondsToSelector:@selector(webView:addMessageToConsole:)])
 267         [delegate webView:view addMessageToConsole:message];
 268     if ([UIWebView instancesRespondToSelector:@selector(webView:addMessageToConsole:)])
 269         [super webView:view addMessageToConsole:message];
 270 }
 271 // }}}
 272 // webView:decidePolicyForNavigationAction:request:frame:decisionListener: (2.0+) {{{
 273 - (void) webView:(WebView *)view decidePolicyForNavigationAction:(NSDictionary *)action request:(NSURLRequest *)request frame:(WebFrame *)frame decisionListener:(id<WebPolicyDecisionListener>)listener {
 274     id<CYWebViewDelegate> delegate([self delegate]);
 275     CYWebPolicyDecisionMediator *mediator([[[CYWebPolicyDecisionMediator alloc] initWithListener:listener] autorelease]);
 276     if (![mediator decided] && [delegate respondsToSelector:@selector(webView:decidePolicyForNavigationAction:request:frame:decisionListener:)])
 277         [delegate webView:view decidePolicyForNavigationAction:action request:request frame:frame decisionListener:mediator];
 278     if (![mediator decided] && [UIWebView instancesRespondToSelector:@selector(webView:decidePolicyForNavigationAction:request:frame:decisionListener:)])
 279         [super webView:view decidePolicyForNavigationAction:action request:request frame:frame decisionListener:mediator];
 280     [mediator decide];
 281 }
 282 // }}}
 283 // webView:decidePolicyForNewWindowAction:request:newFrameName:decisionListener: (3.0+) {{{
 284 static void $UIWebViewWebViewDelegate$webView$decidePolicyForNewWindowAction$request$newFrameName$decisionListener$(UIWebViewWebViewDelegate *self, SEL sel, WebView *view, NSDictionary *action, NSURLRequest *request, NSString *frame, id<WebPolicyDecisionListener> listener) {
 285     UIWebView *uiWebView(MSHookIvar<UIWebView *>(self, "uiWebView"));
 286     if ([uiWebView respondsToSelector:@selector(webView:decidePolicyForNewWindowAction:request:newFrameName:decisionListener:)])
 287         [uiWebView webView:view decidePolicyForNewWindowAction:action request:request newFrameName:frame decisionListener:listener];
 288 }
 289
 290 - (void) webView:(WebView *)view decidePolicyForNewWindowAction:(NSDictionary *)action request:(NSURLRequest *)request newFrameName:(NSString *)frame decisionListener:(id<WebPolicyDecisionListener>)listener {
 291     id<CYWebViewDelegate> delegate([self delegate]);
 292     CYWebPolicyDecisionMediator *mediator([[[CYWebPolicyDecisionMediator alloc] initWithListener:listener] autorelease]);
 293     if (![mediator decided] && [delegate respondsToSelector:@selector(webView:decidePolicyForNewWindowAction:request:newFrameName:decisionListener:)])
 294         [delegate webView:view decidePolicyForNewWindowAction:action request:request newFrameName:frame decisionListener:mediator];
 295     if (![mediator decided] && [UIWebView instancesRespondToSelector:@selector(webView:decidePolicyForNewWindowAction:request:newFrameName:decisionListener:)])
 296         [super webView:view decidePolicyForNewWindowAction:action request:request newFrameName:frame decisionListener:mediator];
 297     [mediator decide];
 298 }
 299 // }}}
 300 // webView:didClearWindowObject:forFrame: (3.2+) {{{
 301 static void $UIWebViewWebViewDelegate$webView$didClearWindowObject$forFrame$(UIWebViewWebViewDelegate *self, SEL sel, WebView *view, WebScriptObject *window, WebFrame *frame) {
 302     UIWebView *uiWebView(MSHookIvar<UIWebView *>(self, "uiWebView"));
 303     if ([uiWebView respondsToSelector:@selector(webView:didClearWindowObject:forFrame:)])
 304         [uiWebView webView:view didClearWindowObject:window forFrame:frame];
 305 }
 306
 307 - (void) webView:(WebView *)view didClearWindowObject:(WebScriptObject *)window forFrame:(WebFrame *)frame {
 308     id<CYWebViewDelegate> delegate([self delegate]);
 309     if ([delegate respondsToSelector:@selector(webView:didClearWindowObject:forFrame:)])
 310         [delegate webView:view didClearWindowObject:window forFrame:frame];
 311     if ([UIWebView instancesRespondToSelector:@selector(webView:didClearWindowObject:forFrame:)])
 312         [super webView:view didClearWindowObject:window forFrame:frame];
 313 }
 314 // }}}
 315 // webView:didFailLoadWithError:forFrame: (2.0+) {{{
 316 - (void) webView:(WebView *)view didFailLoadWithError:(NSError *)error forFrame:(WebFrame *)frame {
 317     id<CYWebViewDelegate> delegate([self delegate]);
 318     if ([delegate respondsToSelector:@selector(webView:didFailLoadWithError:forFrame:)])
 319         [delegate webView:view didFailLoadWithError:error forFrame:frame];
 320     if ([UIWebView instancesRespondToSelector:@selector(webView:didFailLoadWithError:forFrame:)])
 321         [super webView:view didFailLoadWithError:error forFrame:frame];
 322 }
 323 // }}}
 324 // webView:didFailProvisionalLoadWithError:forFrame: (2.0+) {{{
 325 - (void) webView:(WebView *)view didFailProvisionalLoadWithError:(NSError *)error forFrame:(WebFrame *)frame {
 326     id<CYWebViewDelegate> delegate([self delegate]);
 327     if ([delegate respondsToSelector:@selector(webView:didFailProvisionalLoadWithError:forFrame:)])
 328         [delegate webView:view didFailProvisionalLoadWithError:error forFrame:frame];
 329     if ([UIWebView instancesRespondToSelector:@selector(webView:didFailProvisionalLoadWithError:forFrame:)])
 330         [super webView:view didFailProvisionalLoadWithError:error forFrame:frame];
 331 }
 332 // }}}
 333 // webView:didFinishLoadForFrame: (2.0+) {{{
 334 - (void) webView:(WebView *)view didFinishLoadForFrame:(WebFrame *)frame {
 335     id<CYWebViewDelegate> delegate([self delegate]);
 336     if ([delegate respondsToSelector:@selector(webView:didFinishLoadForFrame:)])
 337         [delegate webView:view didFinishLoadForFrame:frame];
 338     if ([UIWebView instancesRespondToSelector:@selector(webView:didFinishLoadForFrame:)])
 339         [super webView:view didFinishLoadForFrame:frame];
 340 }
 341 // }}}
 342 // webView:didReceiveTitle:forFrame: (3.2+) {{{
 343 static void $UIWebViewWebViewDelegate$webView$didReceiveTitle$forFrame$(UIWebViewWebViewDelegate *self, SEL sel, WebView *view, NSString *title, WebFrame *frame) {
 344     UIWebView *uiWebView(MSHookIvar<UIWebView *>(self, "uiWebView"));
 345     if ([uiWebView respondsToSelector:@selector(webView:didReceiveTitle:forFrame:)])
 346         [uiWebView webView:view didReceiveTitle:title forFrame:frame];
 347 }
 348
 349 - (void) webView:(WebView *)view didReceiveTitle:(NSString *)title forFrame:(WebFrame *)frame {
 350     id<CYWebViewDelegate> delegate([self delegate]);
 351     if ([delegate respondsToSelector:@selector(webView:didReceiveTitle:forFrame:)])
 352         [delegate webView:view didReceiveTitle:title forFrame:frame];
 353     if ([UIWebView instancesRespondToSelector:@selector(webView:didReceiveTitle:forFrame:)])
 354         [super webView:view didReceiveTitle:title forFrame:frame];
 355 }
 356 // }}}
 357 // webView:didStartProvisionalLoadForFrame: (2.0+) {{{
 358 - (void) webView:(WebView *)view didStartProvisionalLoadForFrame:(WebFrame *)frame {
 359     id<CYWebViewDelegate> delegate([self delegate]);
 360     if ([delegate respondsToSelector:@selector(webView:didStartProvisionalLoadForFrame:)])
 361         [delegate webView:view didStartProvisionalLoadForFrame:frame];
 362     if ([UIWebView instancesRespondToSelector:@selector(webView:didStartProvisionalLoadForFrame:)])
 363         [super webView:view didStartProvisionalLoadForFrame:frame];
 364 }
 365 // }}}
 366 // webView:resource:willSendRequest:redirectResponse:fromDataSource: (3.2+) {{{
 367 static NSURLRequest *$UIWebViewWebViewDelegate$webView$resource$willSendRequest$redirectResponse$fromDataSource$(UIWebViewWebViewDelegate *self, SEL sel, WebView *view, id identifier, NSURLRequest *request, NSURLResponse *response, WebDataSource *source) {
 368     UIWebView *uiWebView(MSHookIvar<UIWebView *>(self, "uiWebView"));
 369     if ([uiWebView respondsToSelector:@selector(webView:resource:willSendRequest:redirectResponse:fromDataSource:)])
 370         request = [uiWebView webView:view resource:identifier willSendRequest:request redirectResponse:response fromDataSource:source];
 371     return request;
 372 }
 373
 374 - (NSURLRequest *) webView:(WebView *)view resource:(id)identifier willSendRequest:(NSURLRequest *)request redirectResponse:(NSURLResponse *)response fromDataSource:(WebDataSource *)source {
 375     id<CYWebViewDelegate> delegate([self delegate]);
 376     if ([UIWebView instancesRespondToSelector:@selector(webView:resource:willSendRequest:redirectResponse:fromDataSource:)])
 377         request = [super webView:view resource:identifier willSendRequest:request redirectResponse:response fromDataSource:source];
 378     if ([delegate respondsToSelector:@selector(webView:resource:willSendRequest:redirectResponse:fromDataSource:)])
 379         request = [delegate webView:view resource:identifier willSendRequest:request redirectResponse:response fromDataSource:source];
 380     return request;
 381 }
 382 // }}}
 383 // webView:runJavaScriptAlertPanelWithMessage:initiatedByFrame: (2.1+) {{{
 384 - (void) webView:(WebView *)view runJavaScriptAlertPanelWithMessage:(NSString *)message initiatedByFrame:(WebFrame *)frame {
 385     id<CYWebViewDelegate> delegate([self delegate]);
 386     if ([UIWebView instancesRespondToSelector:@selector(webView:runJavaScriptAlertPanelWithMessage:initiatedByFrame:)])
 387         if (
 388             ![delegate respondsToSelector:@selector(webView:shouldRunJavaScriptAlertPanelWithMessage:initiatedByFrame:)] ||
 389             [delegate webView:view shouldRunJavaScriptAlertPanelWithMessage:message initiatedByFrame:frame]
 390         )
 391             [super webView:view runJavaScriptAlertPanelWithMessage:message initiatedByFrame:frame];
 392 }
 393 // }}}
 394 // webView:runJavaScriptConfirmPanelWithMessage:initiatedByFrame: (2.1+) {{{
 395 - (BOOL) webView:(WebView *)view runJavaScriptConfirmPanelWithMessage:(NSString *)message initiatedByFrame:(WebFrame *)frame {
 396     id<CYWebViewDelegate> delegate([self delegate]);
 397     if ([UIWebView instancesRespondToSelector:@selector(webView:runJavaScriptConfirmPanelWithMessage:initiatedByFrame:)])
 398         if (
 399             ![delegate respondsToSelector:@selector(webView:shouldRunJavaScriptConfirmPanelWithMessage:initiatedByFrame:)] ||
 400             [delegate webView:view shouldRunJavaScriptConfirmPanelWithMessage:message initiatedByFrame:frame]
 401         )
 402             return [super webView:view runJavaScriptConfirmPanelWithMessage:message initiatedByFrame:frame];
 403     return NO;
 404 }
 405 // }}}
 406 // webView:runJavaScriptTextInputPanelWithPrompt:defaultText:initiatedByFrame: (2.1+) {{{
 407 - (NSString *) webView:(WebView *)view runJavaScriptTextInputPanelWithPrompt:(NSString *)prompt defaultText:(NSString *)text initiatedByFrame:(WebFrame *)frame {
 408     id<CYWebViewDelegate> delegate([self delegate]);
 409     if ([UIWebView instancesRespondToSelector:@selector(webView:runJavaScriptTextInputPanelWithPrompt:defaultText:initiatedByFrame:)])
 410         if (
 411             ![delegate respondsToSelector:@selector(webView:shouldRunJavaScriptTextInputPanelWithPrompt:defaultText:initiatedByFrame:)] ||
 412             [delegate webView:view shouldRunJavaScriptTextInputPanelWithPrompt:prompt defaultText:text initiatedByFrame:frame]
 413         )
 414             return [super webView:view runJavaScriptTextInputPanelWithPrompt:prompt defaultText:text initiatedByFrame:frame];
 415     return nil;
 416 }
 417 // }}}
 418 // webViewClose: (3.2+) {{{
 419 static void $UIWebViewWebViewDelegate$webViewClose$(UIWebViewWebViewDelegate *self, SEL sel, WebView *view) {
 420     UIWebView *uiWebView(MSHookIvar<UIWebView *>(self, "uiWebView"));
 421     if ([uiWebView respondsToSelector:@selector(webViewClose:)])
 422         [uiWebView webViewClose:view];
 423 }
 424
 425 - (void) webViewClose:(WebView *)view {
 426     id<CYWebViewDelegate> delegate([self delegate]);
 427     if ([delegate respondsToSelector:@selector(webViewClose:)])
 428         [delegate webViewClose:view];
 429     if ([UIWebView instancesRespondToSelector:@selector(webViewClose:)])
 430         [super webViewClose:view];
 431 }
 432 // }}}
 433
 434 - (void) _updateViewSettings {
 435     [super _updateViewSettings];
 436
 437     id<CYWebViewDelegate> delegate([self delegate]);
 438     if ([delegate respondsToSelector:@selector(webViewUpdateViewSettings:)])
 439         [delegate webViewUpdateViewSettings:self];
 440 }
 441
 442 + (void) initialize {
 443     if (Class $UIWebViewWebViewDelegate = objc_getClass("UIWebViewWebViewDelegate")) {
 444         class_addMethod($UIWebViewWebViewDelegate, @selector(webView:addMessageToConsole:), (IMP) &$UIWebViewWebViewDelegate$webView$addMessageToConsole$, "v16@0:4@8@12");
 445         class_addMethod($UIWebViewWebViewDelegate, @selector(webView:decidePolicyForNewWindowAction:request:newFrameName:decisionListener:), (IMP) &$UIWebViewWebViewDelegate$webView$decidePolicyForNewWindowAction$request$newFrameName$decisionListener$, "v28@0:4@8@12@16@20@24");
 446         class_addMethod($UIWebViewWebViewDelegate, @selector(webView:didClearWindowObject:forFrame:), (IMP) &$UIWebViewWebViewDelegate$webView$didClearWindowObject$forFrame$, "v20@0:4@8@12@16");
 447         class_addMethod($UIWebViewWebViewDelegate, @selector(webView:didReceiveTitle:forFrame:), (IMP) &$UIWebViewWebViewDelegate$webView$didReceiveTitle$forFrame$, "v20@0:4@8@12@16");
 448         class_addMethod($UIWebViewWebViewDelegate, @selector(webView:resource:willSendRequest:redirectResponse:fromDataSource:), (IMP) &$UIWebViewWebViewDelegate$webView$resource$willSendRequest$redirectResponse$fromDataSource$, "@28@0:4@8@12@16@20@24");
 449         class_addMethod($UIWebViewWebViewDelegate, @selector(webViewClose:), (IMP) &$UIWebViewWebViewDelegate$webViewClose$, "v12@0:4@8");
 450     }
 451 }
 452
 453 @end
 454
 455 @implementation BrowserController
 456
 457 #if ShowInternals
 458 #include "UICaboodle/UCInternal.h"
 459 #endif
 460
 461 + (void) _initialize {
 462     [WebPreferences _setInitialDefaultTextEncodingToSystemEncoding];
 463
 464     if (float *_UIScrollViewDecelerationRateNormal = reinterpret_cast<float *>(dlsym(RTLD_DEFAULT, "UIScrollViewDecelerationRateNormal")))
 465         CYScrollViewDecelerationRateNormal = *_UIScrollViewDecelerationRateNormal;
 466     else // XXX: this actually might be fast on some older systems: we should look into this
 467         CYScrollViewDecelerationRateNormal = 0.998;
 468 }
 469
 470 - (void) dealloc {
 471 #if LogBrowser
 472     NSLog(@"[BrowserController dealloc]");
 473 #endif
 474
 475     [webview_ setDelegate:nil];
 476
 477     [indirect_ setDelegate:nil];
 478     [indirect_ release];
 479
 480     if (challenge_ != nil)
 481         [challenge_ release];
 482
 483     if (closer_ != nil)
 484         [closer_ release];
 485
 486     if (title_ != nil)
 487         [title_ release];
 488
 489     if ([loading_ count] != 0)
 490         [delegate_ releaseNetworkActivityIndicator];
 491     [loading_ release];
 492
 493     [reloaditem_ release];
 494     [loadingitem_ release];
 495
 496     [indicator_ release];
 497
 498     [super dealloc];
 499 }
 500
 501 - (NSURL *) URLWithURL:(NSURL *)url {
 502     return url;
 503 }
 504
 505 - (NSURLRequest *) requestWithURL:(NSURL *)url cachePolicy:(NSURLRequestCachePolicy)policy {
 506     return [NSURLRequest
 507         requestWithURL:[self URLWithURL:url]
 508         cachePolicy:policy
 509         timeoutInterval:DefaultTimeout_
 510     ];
 511 }
 512
 513 - (void) setURL:(NSURL *)url {
 514     _assert(request_ == nil);
 515     request_ = [self requestWithURL:url cachePolicy:NSURLRequestUseProtocolCachePolicy];
 516 }
 517
 518 - (void) loadURL:(NSURL *)url cachePolicy:(NSURLRequestCachePolicy)policy {
 519     [self loadRequest:[self requestWithURL:url cachePolicy:policy]];
 520 }
 521
 522 - (void) loadURL:(NSURL *)url {
 523     [self loadURL:url cachePolicy:NSURLRequestUseProtocolCachePolicy];
 524 }
 525
 526 - (void) loadRequest:(NSURLRequest *)request {
 527 #if LogBrowser
 528     NSLog(@"loadRequest:%@", request);
 529 #endif
 530
 531     error_ = false;
 532
 533     WebThreadLocked lock;
 534     [webview_ loadRequest:request];
 535 }
 536
 537 - (void) reloadURLWithCache:(BOOL)cache {
 538     if (request_ == nil)
 539         return;
 540
 541     NSMutableURLRequest *request([request_ mutableCopy]);
 542     [request setCachePolicy:(cache ? NSURLRequestUseProtocolCachePolicy : NSURLRequestReloadIgnoringLocalCacheData)];
 543
 544     request_ = request;
 545
 546     if ([request_ HTTPBody] == nil && [request_ HTTPBodyStream] == nil)
 547         [self loadRequest:request_];
 548     else {
 549         UIAlertView *alert = [[[UIAlertView alloc]
 550             initWithTitle:UCLocalize("RESUBMIT_FORM")
 551             message:nil
 552             delegate:self
 553             cancelButtonTitle:UCLocalize("CANCEL")
 554             otherButtonTitles:
 555                 UCLocalize("SUBMIT"),
 556             nil
 557         ] autorelease];
 558
 559         [alert setContext:@"submit"];
 560         [alert show];
 561     }
 562 }
 563
 564 - (void) reloadURL {
 565     [self reloadURLWithCache:YES];
 566 }
 567
 568 - (void) reloadData {
 569     [super reloadData];
 570     [self reloadURLWithCache:YES];
 571 }
 572
 573 - (void) setButtonImage:(NSString *)button withStyle:(NSString *)style toFunction:(id)function {
 574     custom_ = button;
 575     style_ = style;
 576     function_ = function;
 577
 578     [self performSelectorOnMainThread:@selector(applyRightButton) withObject:nil waitUntilDone:NO];
 579 }
 580
 581 - (void) setButtonTitle:(NSString *)button withStyle:(NSString *)style toFunction:(id)function {
 582     custom_ = button;
 583     style_ = style;
 584     function_ = function;
 585
 586     [self performSelectorOnMainThread:@selector(applyRightButton) withObject:nil waitUntilDone:NO];
 587 }
 588
 589 - (void) removeButton {
 590     custom_ = [NSNull null];
 591     [self performSelectorOnMainThread:@selector(applyRightButton) withObject:nil waitUntilDone:NO];
 592 }
 593
 594 - (void) setPopupHook:(id)function {
 595     if (closer_ != nil)
 596         [closer_ autorelease];
 597     if (function == nil)
 598         closer_ = nil;
 599     else
 600         closer_ = [function retain];
 601 }
 602
 603 - (void) scrollToBottomAnimated:(NSNumber *)animated {
 604     CGSize size([scroller_ contentSize]);
 605     CGPoint offset([scroller_ contentOffset]);
 606     CGRect frame([scroller_ frame]);
 607
 608     if (size.height - offset.y < frame.size.height + 20.f) {
 609         CGRect rect = {{0, size.height-1}, {size.width, 1}};
 610         [scroller_ scrollRectToVisible:rect animated:[animated boolValue]];
 611     }
 612 }
 613
 614 - (void) _setViewportWidth {
 615     [[webview_ _documentView] setViewportSize:CGSizeMake(width_, UIWebViewGrowsAndShrinksToFitHeight) forDocumentTypes:0x10];
 616 }
 617
 618 - (void) setViewportWidth:(float)width {
 619     width_ = width != 0 ? width : [[self class] defaultWidth];
 620     [self _setViewportWidth];
 621 }
 622
 623 - (void) _setViewportWidthOnMainThread:(NSNumber *)width {
 624     [self setViewportWidth:[width floatValue]];
 625 }
 626
 627 - (void) setViewportWidthOnMainThread:(float)width {
 628     [self performSelectorOnMainThread:@selector(_setViewportWidthOnMainThread:) withObject:[NSNumber numberWithFloat:width] waitUntilDone:NO];
 629 }
 630
 631 - (void) webViewUpdateViewSettings:(UIWebView *)view {
 632     [self _setViewportWidth];
 633 }
 634
 635 - (void) _openMailToURL:(NSURL *)url {
 636     [[UIApplication sharedApplication] openURL:url];// asPanel:YES];
 637 }
 638
 639 - (bool) _allowJavaScriptPanel {
 640     return true;
 641 }
 642
 643 - (bool) allowsNavigationAction {
 644     return allowsNavigationAction_;
 645 }
 646
 647 - (void) setAllowsNavigationAction:(bool)value {
 648     allowsNavigationAction_ = value;
 649 }
 650
 651 - (void) setAllowsNavigationActionByNumber:(NSNumber *)value {
 652     [self setAllowsNavigationAction:[value boolValue]];
 653 }
 654
 655 - (void) popViewControllerWithNumber:(NSNumber *)value {
 656     UINavigationController *navigation([self navigationController]);
 657     if ([navigation topViewController] == self)
 658         [navigation popViewControllerAnimated:[value boolValue]];
 659 }
 660
 661 - (void) _didFailWithError:(NSError *)error forFrame:(WebFrame *)frame {
 662     [loading_ removeObject:[NSValue valueWithNonretainedObject:frame]];
 663     [self _didFinishLoading];
 664
 665     if ([error code] == NSURLErrorCancelled)
 666         return;
 667
 668     if ([frame parentFrame] == nil) {
 669         [self loadURL:[NSURL URLWithString:[NSString stringWithFormat:@"%@?%@",
 670             [[NSURL fileURLWithPath:[[NSBundle mainBundle] pathForResource:@"error" ofType:@"html"]] absoluteString],
 671             [[error localizedDescription] stringByAddingPercentEscapes]
 672         ]]];
 673
 674         error_ = true;
 675     }
 676 }
 677
 678 - (void) pushRequest:(NSURLRequest *)request asPop:(bool)pop {
 679     NSURL *url([request URL]);
 680
 681     // XXX: filter to internal usage?
 682     CYViewController *page([delegate_ pageForURL:url forExternal:NO]);
 683
 684     if (page == nil) {
 685         BrowserController *browser([[[class_ alloc] init] autorelease]);
 686         [browser loadRequest:request];
 687         page = browser;
 688     }
 689
 690     [page setDelegate:delegate_];
 691
 692     if (!pop) {
 693         [[self navigationItem] setTitle:title_];
 694
 695         [[self navigationController] pushViewController:page animated:YES];
 696     } else {
 697         UCNavigationController *navigation([[[UCNavigationController alloc] initWithRootViewController:page] autorelease]);
 698
 699         [navigation setHook:indirect_];
 700         [navigation setDelegate:delegate_];
 701
 702         [[page navigationItem] setLeftBarButtonItem:[[[UIBarButtonItem alloc]
 703             initWithTitle:UCLocalize("CLOSE")
 704             style:UIBarButtonItemStylePlain
 705             target:page
 706             action:@selector(close)
 707         ] autorelease]];
 708
 709         [[self navigationController] presentModalViewController:navigation animated:YES];
 710     }
 711 }
 712
 713 // CYWebViewDelegate {{{
 714 - (void) webView:(WebView *)view addMessageToConsole:(NSDictionary *)message {
 715 #if LogMessages
 716     NSLog(@"addMessageToConsole:%@", message);
 717 #endif
 718 }
 719
 720 - (void) webView:(WebView *)view decidePolicyForNavigationAction:(NSDictionary *)action request:(NSURLRequest *)request frame:(WebFrame *)frame decisionListener:(id<WebPolicyDecisionListener>)listener {
 721 #if LogBrowser
 722     NSLog(@"decidePolicyForNavigationAction:%@ request:%@ frame:%@", action, request, frame);
 723 #endif
 724
 725     if ([frame parentFrame] == nil) {
 726         if (!error_) {
 727             NSURL *url(request == nil ? nil : [request URL]);
 728
 729             if (request_ == nil || [self allowsNavigationAction] || [[request_ URL] isEqual:url])
 730                 request_ = request;
 731             else {
 732                 if (url != nil)
 733                     [self pushRequest:request asPop:NO];
 734                 [listener ignore];
 735             }
 736         }
 737     }
 738 }
 739
 740 - (void) webView:(WebView *)view decidePolicyForNewWindowAction:(NSDictionary *)action request:(NSURLRequest *)request newFrameName:(NSString *)frame decisionListener:(id<WebPolicyDecisionListener>)listener {
 741 #if LogBrowser
 742     NSLog(@"decidePolicyForNewWindowAction:%@ request:%@ newFrameName:%@", action, request, frame);
 743 #endif
 744
 745     NSURL *url([request URL]);
 746     if (url == nil)
 747         return;
 748
 749     if ([frame isEqualToString:@"_open"])
 750         [delegate_ openURL:url];
 751     else {
 752         NSString *scheme([[url scheme] lowercaseString]);
 753         if ([scheme isEqualToString:@"mailto"])
 754             [self _openMailToURL:url];
 755         else
 756             [self pushRequest:request asPop:[frame isEqualToString:@"_popup"]];
 757     }
 758
 759     [listener ignore];
 760 }
 761
 762 - (void) webView:(WebView *)view didClearWindowObject:(WebScriptObject *)window forFrame:(WebFrame *)frame {
 763 }
 764
 765 - (void) webView:(WebView *)view didFailLoadWithError:(NSError *)error forFrame:(WebFrame *)frame {
 766 #if LogBrowser
 767     NSLog(@"didFailLoadWithError:%@ forFrame:%@", error, frame);
 768 #endif
 769
 770     [self _didFailWithError:error forFrame:frame];
 771 }
 772
 773 - (void) webView:(WebView *)view didFailProvisionalLoadWithError:(NSError *)error forFrame:(WebFrame *)frame {
 774 #if LogBrowser
 775     NSLog(@"didFailProvisionalLoadWithError:%@ forFrame:%@", error, frame);
 776 #endif
 777
 778     [self _didFailWithError:error forFrame:frame];
 779 }
 780
 781 - (void) webView:(WebView *)view didFinishLoadForFrame:(WebFrame *)frame {
 782     [loading_ removeObject:[NSValue valueWithNonretainedObject:frame]];
 783
 784     if ([frame parentFrame] == nil) {
 785         if (DOMDocument *document = [frame DOMDocument])
 786             if (DOMNodeList<NSFastEnumeration> *bodies = [document getElementsByTagName:@"body"])
 787                 for (DOMHTMLBodyElement *body in (id) bodies) {
 788                     DOMCSSStyleDeclaration *style([document getComputedStyle:body pseudoElement:nil]);
 789
 790                     UIColor *uic(nil);
 791
 792                     if (DOMCSSPrimitiveValue *color = static_cast<DOMCSSPrimitiveValue *>([style getPropertyCSSValue:@"background-color"])) {
 793                         if ([color primitiveType] == DOM_CSS_RGBCOLOR) {
 794                             DOMRGBColor *rgb([color getRGBColorValue]);
 795
 796                             float red([[rgb red] getFloatValue:DOM_CSS_NUMBER]);
 797                             float green([[rgb green] getFloatValue:DOM_CSS_NUMBER]);
 798                             float blue([[rgb blue] getFloatValue:DOM_CSS_NUMBER]);
 799                             float alpha([[rgb alpha] getFloatValue:DOM_CSS_NUMBER]);
 800
 801                             if (red == 0xc7 && green == 0xce && blue == 0xd5)
 802                                 uic = [UIColor pinStripeColor];
 803                             else if (alpha != 0)
 804                                 uic = [UIColor
 805                                     colorWithRed:(red / 255)
 806                                     green:(green / 255)
 807                                     blue:(blue / 255)
 808                                     alpha:alpha
 809                                 ];
 810                         }
 811                     }
 812
 813                     [scroller_ setBackgroundColor:(uic ?: [UIColor clearColor])];
 814                     break;
 815                 }
 816     }
 817
 818     [self _didFinishLoading];
 819 }
 820
 821 - (void) webView:(WebView *)view didReceiveTitle:(NSString *)title forFrame:(WebFrame *)frame {
 822     if ([frame parentFrame] != nil)
 823         return;
 824
 825     if (title_ != nil)
 826         [title_ autorelease];
 827     title_ = [title retain];
 828
 829     [[self navigationItem] setTitle:title_];
 830 }
 831
 832 - (void) webView:(WebView *)view didStartProvisionalLoadForFrame:(WebFrame *)frame {
 833     [loading_ addObject:[NSValue valueWithNonretainedObject:frame]];
 834
 835     if ([frame parentFrame] == nil) {
 836         CYRelease(title_);
 837         custom_ = nil;
 838         style_ = nil;
 839         function_ = nil;
 840         CYRelease(closer_);
 841
 842         [self setHidesNavigationBar:NO];
 843
 844         // XXX: do we still need to do this?
 845         [[self navigationItem] setTitle:nil];
 846     }
 847
 848     [self _didStartLoading];
 849 }
 850
 851 - (NSURLRequest *) webView:(WebView *)view resource:(id)identifier willSendRequest:(NSURLRequest *)request redirectResponse:(NSURLResponse *)response fromDataSource:(WebDataSource *)source {
 852 #if LogBrowser
 853     NSLog(@"resource:%@ willSendRequest:%@ redirectResponse:%@ fromDataSource:%@", identifier, request, response, source);
 854 #endif
 855
 856     return request;
 857 }
 858
 859 - (bool) webView:(WebView *)view shouldRunJavaScriptAlertPanelWithMessage:(NSString *)message initiatedByFrame:(WebFrame *)frame {
 860     return [self _allowJavaScriptPanel];
 861 }
 862
 863 - (bool) webView:(WebView *)view shouldRunJavaScriptConfirmPanelWithMessage:(NSString *)message initiatedByFrame:(WebFrame *)frame {
 864     return [self _allowJavaScriptPanel];
 865 }
 866
 867 - (bool) webView:(WebView *)view shouldRunJavaScriptTextInputPanelWithPrompt:(NSString *)prompt defaultText:(NSString *)text initiatedByFrame:(WebFrame *)frame {
 868     return [self _allowJavaScriptPanel];
 869 }
 870
 871 - (void) webViewClose:(WebView *)view {
 872     [self close];
 873 }
 874 // }}}
 875
 876 - (void) close {
 877     [[self navigationController] dismissModalViewControllerAnimated:YES];
 878 }
 879
 880 - (void) alertView:(UIAlertView *)alert clickedButtonAtIndex:(NSInteger)button {
 881     NSString *context([alert context]);
 882
 883     if ([context isEqualToString:@"sensitive"]) {
 884         switch (button) {
 885             case 1:
 886                 sensitive_ = [NSNumber numberWithBool:YES];
 887             break;
 888
 889             case 2:
 890                 sensitive_ = [NSNumber numberWithBool:NO];
 891             break;
 892         }
 893
 894         [alert dismissWithClickedButtonIndex:-1 animated:YES];
 895     } else if ([context isEqualToString:@"challenge"]) {
 896         id<NSURLAuthenticationChallengeSender> sender([challenge_ sender]);
 897
 898         switch (button) {
 899             case 1: {
 900                 NSString *username([[alert textFieldAtIndex:0] text]);
 901                 NSString *password([[alert textFieldAtIndex:1] text]);
 902
 903                 NSURLCredential *credential([NSURLCredential credentialWithUser:username password:password persistence:NSURLCredentialPersistenceForSession]);
 904
 905                 [sender useCredential:credential forAuthenticationChallenge:challenge_];
 906             } break;
 907
 908             case 2:
 909                 [sender cancelAuthenticationChallenge:challenge_];
 910             break;
 911
 912             _nodefault
 913         }
 914
 915         [challenge_ release];
 916         challenge_ = nil;
 917
 918         [alert dismissWithClickedButtonIndex:-1 animated:YES];
 919     } else if ([context isEqualToString:@"submit"]) {
 920         if (button == [alert cancelButtonIndex]) {
 921         } else if (button == [alert firstOtherButtonIndex]) {
 922             if (request_ != nil) {
 923                 WebThreadLocked lock;
 924                 [webview_ loadRequest:request_];
 925             }
 926         }
 927
 928         [alert dismissWithClickedButtonIndex:-1 animated:YES];
 929     }
 930 }
 931
 932 - (UIBarButtonItemStyle) rightButtonStyle {
 933     if (style_ == nil) normal:
 934         return UIBarButtonItemStylePlain;
 935     else if ([style_ isEqualToString:@"Normal"])
 936         return UIBarButtonItemStylePlain;
 937     else if ([style_ isEqualToString:@"Highlighted"])
 938         return UIBarButtonItemStyleDone;
 939     else goto normal;
 940 }
 941
 942 - (UIBarButtonItem *) customButton {
 943     return custom_ == [NSNull null] ? nil : [[[UIBarButtonItem alloc]
 944         initWithTitle:static_cast<NSString *>(custom_.operator NSObject *())
 945         style:[self rightButtonStyle]
 946         target:self
 947         action:@selector(customButtonClicked)
 948     ] autorelease];
 949 }
 950
 951 - (UIBarButtonItem *) rightButton {
 952     return reloaditem_;
 953 }
 954
 955 - (void) applyLoadingTitle {
 956     [[self navigationItem] setTitle:UCLocalize("LOADING")];
 957 }
 958
 959 - (void) layoutRightButton {
 960     [[loadingitem_ view] addSubview:indicator_];
 961     [[loadingitem_ view] bringSubviewToFront:indicator_];
 962 }
 963
 964 - (void) applyRightButton {
 965     if ([self isLoading]) {
 966         [[self navigationItem] setRightBarButtonItem:loadingitem_ animated:YES];
 967         [self performSelector:@selector(layoutRightButton) withObject:nil afterDelay:0];
 968
 969         [indicator_ startAnimating];
 970         [self applyLoadingTitle];
 971     } else {
 972         [indicator_ stopAnimating];
 973
 974         [[self navigationItem] setRightBarButtonItem:(
 975             custom_ != nil ? [self customButton] : [self rightButton]
 976         ) animated:YES];
 977     }
 978 }
 979
 980 - (void) didStartLoading {
 981     // Overridden in subclasses.
 982 }
 983
 984 - (void) _didStartLoading {
 985     [self applyRightButton];
 986
 987     if ([loading_ count] != 1)
 988         return;
 989
 990     [delegate_ retainNetworkActivityIndicator];
 991     [self didStartLoading];
 992 }
 993
 994 - (void) didFinishLoading {
 995     // Overridden in subclasses.
 996 }
 997
 998 - (void) _didFinishLoading {
 999     if ([loading_ count] != 0)
1000         return;
1001
1002     [self applyRightButton];
1003     [[self navigationItem] setTitle:title_];
1004
1005     [delegate_ releaseNetworkActivityIndicator];
1006     [self didFinishLoading];
1007 }
1008
1009 - (bool) isLoading {
1010     return [loading_ count] != 0;
1011 }
1012
1013 - (id) initWithWidth:(float)width ofClass:(Class)_class {
1014     if ((self = [super init]) != nil) {
1015         allowsNavigationAction_ = true;
1016
1017         class_ = _class;
1018         loading_ = [[NSMutableSet alloc] initWithCapacity:5];
1019
1020         indirect_ = [[IndirectDelegate alloc] initWithDelegate:self];
1021
1022         CGRect bounds([[self view] bounds]);
1023
1024         webview_ = [[[CYWebView alloc] initWithFrame:bounds] autorelease];
1025         [webview_ setDelegate:self];
1026         [self setView:webview_];
1027
1028         if ([webview_ respondsToSelector:@selector(setDataDetectorTypes:)])
1029             [webview_ setDataDetectorTypes:UIDataDetectorTypeAutomatic];
1030         else
1031             [webview_ setDetectsPhoneNumbers:NO];
1032
1033         [webview_ setScalesPageToFit:YES];
1034
1035         UIWebDocumentView *document([webview_ _documentView]);
1036
1037         // XXX: I think this improves scrolling; the hardcoded-ness sucks
1038         [document setTileSize:CGSizeMake(320, 500)];
1039
1040         [document setBackgroundColor:[UIColor clearColor]];
1041
1042         // XXX: this is terribly (too?) expensive
1043         [document setDrawsBackground:NO];
1044
1045         WebView *webview([document webView]);
1046         WebPreferences *preferences([webview preferences]);
1047
1048         // XXX: I have no clue if I actually /want/ this modification
1049         if ([webview respondsToSelector:@selector(_setLayoutInterval:)])
1050             [webview _setLayoutInterval:0];
1051         else if ([preferences respondsToSelector:@selector(_setLayoutInterval:)])
1052             [preferences _setLayoutInterval:0];
1053
1054         [preferences setCacheModel:WebCacheModelDocumentBrowser];
1055         [preferences setOfflineWebApplicationCacheEnabled:YES];
1056
1057 #if LogMessages
1058         if ([document respondsToSelector:@selector(setAllowsMessaging:)])
1059             [document setAllowsMessaging:YES];
1060         if ([webview respondsToSelector:@selector(_setAllowsMessaging:)])
1061             [webview _setAllowsMessaging:YES];
1062 #endif
1063
1064         if ([webview_ respondsToSelector:@selector(_scrollView)]) {
1065             scroller_ = [webview_ _scrollView];
1066
1067             [scroller_ setDirectionalLockEnabled:YES];
1068             [scroller_ setDecelerationRate:CYScrollViewDecelerationRateNormal];
1069             [scroller_ setDelaysContentTouches:NO];
1070
1071             [scroller_ setCanCancelContentTouches:YES];
1072         } else if ([webview_ respondsToSelector:@selector(_scroller)]) {
1073             UIScroller *scroller([webview_ _scroller]);
1074             scroller_ = (UIScrollView *) scroller;
1075
1076             [scroller setDirectionalScrolling:YES];
1077             // XXX: we might be better off /not/ setting this on older systems
1078             [scroller setScrollDecelerationFactor:CYScrollViewDecelerationRateNormal]; /* 0.989324 */
1079             [scroller setScrollHysteresis:0]; /* 8 */
1080
1081             [scroller setThumbDetectionEnabled:NO];
1082
1083             // use NO with UIApplicationUseLegacyEvents(YES)
1084             [scroller setEventMode:YES];
1085
1086             // XXX: this is handled by setBounces, right?
1087             //[scroller setAllowsRubberBanding:YES];
1088         }
1089
1090         [scroller_ setFixedBackgroundPattern:YES];
1091         [scroller_ setBackgroundColor:[UIColor clearColor]];
1092         [scroller_ setClipsSubviews:YES];
1093
1094         [scroller_ setBounces:YES];
1095         [scroller_ setScrollingEnabled:YES];
1096         [scroller_ setShowBackgroundShadow:NO];
1097
1098         [self setViewportWidth:width];
1099
1100         reloaditem_ = [[UIBarButtonItem alloc]
1101             initWithTitle:UCLocalize("RELOAD")
1102             style:[self rightButtonStyle]
1103             target:self
1104             action:@selector(reloadButtonClicked)
1105         ];
1106
1107         loadingitem_ = [[UIBarButtonItem alloc]
1108             initWithTitle:@" "
1109             style:UIBarButtonItemStylePlain
1110             target:self
1111             action:@selector(reloadButtonClicked)
1112         ];
1113
1114         indicator_ = [[UIActivityIndicatorView alloc] initWithActivityIndicatorStyle:UIActivityIndicatorViewStyleWhite];
1115         [indicator_ setFrame:CGRectMake(15, 5, [indicator_ frame].size.width, [indicator_ frame].size.height)];
1116
1117         UITableView *table([[[UITableView alloc] initWithFrame:bounds style:UITableViewStyleGrouped] autorelease]);
1118         [webview_ insertSubview:table atIndex:0];
1119
1120         [table setAutoresizingMask:(UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight)];
1121         [webview_ setAutoresizingMask:(UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight)];
1122         [indicator_ setAutoresizingMask:UIViewAutoresizingFlexibleLeftMargin];
1123     } return self;
1124 }
1125
1126 - (id) initWithWidth:(float)width {
1127     return [self initWithWidth:width ofClass:[self class]];
1128 }
1129
1130 - (id) init {
1131     return [self initWithWidth:0];
1132 }
1133
1134 - (id) initWithURL:(NSURL *)url {
1135     if ((self = [self init]) != nil) {
1136         [self setURL:url];
1137     } return self;
1138 }
1139
1140 - (void) didDismissModalViewController {
1141     if (closer_ != nil)
1142         [self callFunction:closer_];
1143 }
1144
1145 - (void) callFunction:(WebScriptObject *)function {
1146     WebThreadLocked lock;
1147
1148     WebView *webview([[webview_ _documentView] webView]);
1149     WebFrame *frame([webview mainFrame]);
1150     WebPreferences *preferences([webview preferences]);
1151
1152     bool maybe([preferences javaScriptCanOpenWindowsAutomatically]);
1153     [preferences setJavaScriptCanOpenWindowsAutomatically:NO];
1154
1155     /*id _private(MSHookIvar<id>(webview, "_private"));
1156     WebCore::Page *page(_private == nil ? NULL : MSHookIvar<WebCore::Page *>(_private, "page"));
1157     WebCore::Settings *settings(page == NULL ? NULL : page->settings());
1158
1159     bool no;
1160     if (settings == NULL)
1161         no = 0;
1162     else {
1163         no = settings->JavaScriptCanOpenWindowsAutomatically();
1164         settings->setJavaScriptCanOpenWindowsAutomatically(true);
1165     }*/
1166
1167     if (UIWindow *window = [[self view] window])
1168         if (UIResponder *responder = [window firstResponder])
1169             [responder resignFirstResponder];
1170
1171     JSObjectRef object([function JSObject]);
1172     JSGlobalContextRef context([frame globalContext]);
1173     JSObjectCallAsFunction(context, object, NULL, 0, NULL, NULL);
1174
1175     /*if (settings != NULL)
1176         settings->setJavaScriptCanOpenWindowsAutomatically(no);*/
1177
1178     [preferences setJavaScriptCanOpenWindowsAutomatically:maybe];
1179 }
1180
1181 - (void) reloadButtonClicked {
1182     [self reloadURLWithCache:YES];
1183 }
1184
1185 - (void) _customButtonClicked {
1186     [self reloadButtonClicked];
1187 }
1188
1189 - (void) customButtonClicked {
1190 #if !AlwaysReload
1191     if (function_ != nil)
1192         [self callFunction:function_];
1193     else
1194 #endif
1195     [self _customButtonClicked];
1196 }
1197
1198 + (float) defaultWidth {
1199     return 980;
1200 }
1201
1202 - (void) setNavigationBarStyle:(NSString *)name {
1203     UIBarStyle style;
1204     if ([name isEqualToString:@"Black"])
1205         style = UIBarStyleBlack;
1206     else
1207         style = UIBarStyleDefault;
1208
1209     [[[self navigationController] navigationBar] setBarStyle:style];
1210 }
1211
1212 - (void) setNavigationBarTintColor:(UIColor *)color {
1213     [[[self navigationController] navigationBar] setTintColor:color];
1214 }
1215
1216 - (void) setHidesBackButton:(bool)value {
1217     [[self navigationItem] setHidesBackButton:value];
1218 }
1219
1220 - (void) setHidesBackButtonByNumber:(NSNumber *)value {
1221     [self setHidesBackButton:[value boolValue]];
1222 }
1223
1224 - (void) dispatchEvent:(NSString *)event {
1225     WebThreadLocked lock;
1226
1227     NSString *script([NSString stringWithFormat:@
1228         "(function() {"
1229             "var event = this.document.createEvent('Events');"
1230             "event.initEvent('%@', false, false);"
1231             "this.document.dispatchEvent(event);"
1232         "})();"
1233     , event]);
1234
1235     NSMutableArray *frames([NSMutableArray arrayWithObjects:
1236         [[[webview_ _documentView] webView] mainFrame]
1237     , nil]);
1238
1239     while (WebFrame *frame = [frames lastObject]) {
1240         WebScriptObject *object([frame windowObject]);
1241         [object evaluateWebScript:script];
1242         [frames removeLastObject];
1243         [frames addObjectsFromArray:[frame childFrames]];
1244     }
1245 }
1246
1247 - (bool) hidesNavigationBar {
1248     return hidesNavigationBar_;
1249 }
1250
1251 - (void) _setHidesNavigationBar:(bool)value animated:(bool)animated {
1252     if (visible_)
1253         [[self navigationController] setNavigationBarHidden:(value && [self hidesNavigationBar]) animated:animated];
1254 }
1255
1256 - (void) setHidesNavigationBar:(bool)value {
1257     if (hidesNavigationBar_ != value) {
1258         hidesNavigationBar_ = value;
1259         [self _setHidesNavigationBar:YES animated:YES];
1260     }
1261 }
1262
1263 - (void) setHidesNavigationBarByNumber:(NSNumber *)value {
1264     [self setHidesNavigationBar:[value boolValue]];
1265 }
1266
1267 - (void) viewWillAppear:(BOOL)animated {
1268     visible_ = true;
1269
1270     if ([self hidesNavigationBar])
1271         [self _setHidesNavigationBar:YES animated:animated];
1272
1273     [self dispatchEvent:@"CydiaViewWillAppear"];
1274     [super viewWillAppear:animated];
1275 }
1276
1277 - (void) viewDidAppear:(BOOL)animated {
1278     [super viewDidAppear:animated];
1279     [self dispatchEvent:@"CydiaViewDidAppear"];
1280 }
1281
1282 - (void) viewWillDisappear:(BOOL)animated {
1283     [self dispatchEvent:@"CydiaViewWillDisappear"];
1284     [super viewWillDisappear:animated];
1285
1286     if ([self hidesNavigationBar])
1287         [self _setHidesNavigationBar:NO animated:animated];
1288
1289     visible_ = false;
1290 }
1291
1292 - (void) viewDidDisappear:(BOOL)animated {
1293     [super viewDidDisappear:animated];
1294     [self dispatchEvent:@"CydiaViewDidDisappear"];
1295 }
1296
1297 @end