LockScreen.mm

   1 /* CydgetScript - open-source IntelliDial replacement
   2  * Copyright (C) 2009  Jay Freeman (saurik)
   3 */
   4
   5 /*
   6  *        Redistribution and use in source and binary
   7  * forms, with or without modification, are permitted
   8  * provided that the following conditions are met:
   9  *
  10  * 1. Redistributions of source code must retain the
  11  *    above copyright notice, this list of conditions
  12  *    and the following disclaimer.
  13  * 2. Redistributions in binary form must reproduce the
  14  *    above copyright notice, this list of conditions
  15  *    and the following disclaimer in the documentation
  16  *    and/or other materials provided with the
  17  *    distribution.
  18  * 3. The name of the author may not be used to endorse
  19  *    or promote products derived from this software
  20  *    without specific prior written permission.
  21  *
  22  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS''
  23  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
  24  * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
  25  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  26  * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE
  27  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  28  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  29  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  30  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  31  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
  32  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
  33  * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
  34  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
  35  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  36 */
  37
  38 #include <substrate.h>
  39
  40 #import <GraphicsServices/GraphicsServices.h>
  41 #import <UIKit/UIKit.h>
  42 #import <AddressBook/AddressBook.h>
  43
  44 #import <SpringBoardUI/SBAwayViewPluginController.h>
  45 #import <TelephonyUI/TPBottomLockBar.h>
  46
  47 #import <QuartzCore/CALayer.h>
  48 // XXX: fix the minimum requirement
  49 extern NSString * const kCAFilterNearest;
  50
  51 #include <WebKit/DOMCSSPrimitiveValue.h>
  52 #include <WebKit/DOMCSSStyleDeclaration.h>
  53 #include <WebKit/DOMDocument.h>
  54 #include <WebKit/DOMHTMLBodyElement.h>
  55 #include <WebKit/DOMNodeList.h>
  56 #include <WebKit/DOMRGBColor.h>
  57
  58 #include <WebKit/WebFrame.h>
  59 #include <WebKit/WebPolicyDelegate.h>
  60 #include <WebKit/WebPreferences.h>
  61 #include <WebKit/WebScriptObject.h>
  62
  63 #import <WebKit/WebView.h>
  64 #import <WebKit/WebView-WebPrivate.h>
  65
  66 #include <WebCore/Page.h>
  67 #include <WebCore/Settings.h>
  68
  69 #include <WebCore/WebCoreThread.h>
  70 #include <WebKit/WebPreferences-WebPrivate.h>
  71
  72 #include "JSGlobalData.h"
  73 #include "SourceCode.h"
  74
  75 #include <apr-1/apr_pools.h>
  76
  77 @interface WebView (UICaboodle)
  78 - (void) setScriptDebugDelegate:(id)delegate;
  79 - (void) _setFormDelegate:(id)delegate;
  80 - (void) _setUIKitDelegate:(id)delegate;
  81 - (void) setWebMailDelegate:(id)delegate;
  82 - (void) _setLayoutInterval:(float)interval;
  83 @end
  84
  85 #define _transient
  86 #define _forever for (;;)
  87
  88 _disused static unsigned trace_;
  89
  90 #define _trace() do { \
  91     NSLog(@"_trace(%u)@%s:%u[%s]\n", \
  92         trace_++, __FILE__, __LINE__, __FUNCTION__\
  93     ); \
  94 } while (false)
  95
  96 @protocol CydgetController
  97 - (NSDictionary *) currentConfiguration;
  98 @end
  99
 100 static Class $CydgetController(objc_getClass("CydgetController"));
 101
 102 @interface NSString (UIKit)
 103 - (NSString *) stringByAddingPercentEscapes;
 104 @end
 105
 106 @implementation UIWebDocumentView (WebCycript)
 107
 108 - (void) _setScrollerOffset:(CGPoint)offset {
 109     UIScroller *scroller([self _scroller]);
 110
 111     CGSize size([scroller contentSize]);
 112     CGSize bounds([scroller bounds].size);
 113
 114     CGPoint max;
 115     max.x = size.width - bounds.width;
 116     max.y = size.height - bounds.height;
 117
 118     // wtf Apple?!
 119     if (max.x < 0)
 120         max.x = 0;
 121     if (max.y < 0)
 122         max.y = 0;
 123
 124     offset.x = offset.x < 0 ? 0 : offset.x > max.x ? max.x : offset.x;
 125     offset.y = offset.y < 0 ? 0 : offset.y > max.y ? max.y : offset.y;
 126
 127     [scroller setOffset:offset];
 128 }
 129
 130 @end
 131
 132 /* WebCycript Delegate {{{ */
 133 @interface WebCycriptDelegate : NSObject {
 134     _transient volatile id delegate_;
 135 }
 136
 137 - (void) setDelegate:(id)delegate;
 138 - (id) initWithDelegate:(id)delegate;
 139 @end
 140
 141 @implementation WebCycriptDelegate
 142
 143 - (void) setDelegate:(id)delegate {
 144     delegate_ = delegate;
 145 }
 146
 147 - (id) initWithDelegate:(id)delegate {
 148     delegate_ = delegate;
 149     return self;
 150 }
 151
 152 - (void) webView:(WebView *)sender didClearWindowObject:(WebScriptObject *)window forFrame:(WebFrame *)frame {
 153     if (delegate_ != nil)
 154         return [delegate_ webView:sender didClearWindowObject:window forFrame:frame];
 155 }
 156
 157 - (void) webView:(WebView *)sender didCommitLoadForFrame:(WebFrame *)frame {
 158     if (delegate_ != nil)
 159         return [delegate_ webView:sender didCommitLoadForFrame:frame];
 160 }
 161
 162 - (void) webView:(WebView *)sender didFailLoadWithError:(NSError *)error forFrame:(WebFrame *)frame {
 163     if (delegate_ != nil)
 164         return [delegate_ webView:sender didFailLoadWithError:error forFrame:frame];
 165 }
 166
 167 - (void) webView:(WebView *)sender didFailProvisionalLoadWithError:(NSError *)error forFrame:(WebFrame *)frame {
 168     if (delegate_ != nil)
 169         return [delegate_ webView:sender didFailProvisionalLoadWithError:error forFrame:frame];
 170 }
 171
 172 - (void) webView:(WebView *)sender didFinishLoadForFrame:(WebFrame *)frame {
 173     if (delegate_ != nil)
 174         return [delegate_ webView:sender didFinishLoadForFrame:frame];
 175 }
 176
 177 /*- (void) webView:(WebView *)sender didReceiveTitle:(NSString *)title forFrame:(WebFrame *)frame {
 178     if (delegate_ != nil)
 179         return [delegate_ webView:sender didReceiveTitle:title forFrame:frame];
 180 }*/
 181
 182 - (void) webView:(WebView *)sender didStartProvisionalLoadForFrame:(WebFrame *)frame {
 183     if (delegate_ != nil)
 184         return [delegate_ webView:sender didStartProvisionalLoadForFrame:frame];
 185 }
 186
 187 /*- (void) webView:(WebView *)sender resource:(id)identifier didReceiveAuthenticationChallenge:(NSURLAuthenticationChallenge *)challenge fromDataSource:(WebDataSource *)source {
 188     if (delegate_ != nil)
 189         return [delegate_ webView:sender resource:identifier didReceiveAuthenticationChallenge:challenge fromDataSource:source];
 190 }*/
 191
 192 /*- (NSURLRequest *) webView:(WebView *)sender resource:(id)identifier willSendRequest:(NSURLRequest *)request redirectResponse:(NSURLResponse *)redirectResponse fromDataSource:(WebDataSource *)source {
 193     if (delegate_ != nil)
 194         return [delegate_ webView:sender resource:identifier willSendRequest:request redirectResponse:redirectResponse fromDataSource:source];
 195     return nil;
 196 }*/
 197
 198 - (IMP) methodForSelector:(SEL)sel {
 199     if (IMP method = [super methodForSelector:sel])
 200         return method;
 201     fprintf(stderr, "methodForSelector:[%s] == NULL\n", sel_getName(sel));
 202     return NULL;
 203 }
 204
 205 - (BOOL) respondsToSelector:(SEL)sel {
 206     if ([super respondsToSelector:sel])
 207         return YES;
 208     // XXX: WebThreadCreateNSInvocation returns nil
 209     //fprintf(stderr, "[%s]R?%s\n", class_getName(self->isa), sel_getName(sel));
 210     return delegate_ == nil ? NO : [delegate_ respondsToSelector:sel];
 211 }
 212
 213 - (NSMethodSignature *) methodSignatureForSelector:(SEL)sel {
 214     if (NSMethodSignature *method = [super methodSignatureForSelector:sel])
 215         return method;
 216     //fprintf(stderr, "[%s]S?%s\n", class_getName(self->isa), sel_getName(sel));
 217     if (delegate_ != nil)
 218         if (NSMethodSignature *sig = [delegate_ methodSignatureForSelector:sel])
 219             return sig;
 220     // XXX: I fucking hate Apple so very very bad
 221     return [NSMethodSignature signatureWithObjCTypes:"v@:"];
 222 }
 223
 224 - (void) forwardInvocation:(NSInvocation *)inv {
 225     SEL sel = [inv selector];
 226     if (delegate_ != nil && [delegate_ respondsToSelector:sel])
 227         [inv invokeWithTarget:delegate_];
 228 }
 229
 230 @end
 231 /* }}} */
 232
 233 @interface WebCydgetLockScreenView : UIView {
 234     WebCycriptDelegate *indirect_;
 235     UIProgressIndicator *indicator_;
 236     UIScroller *scroller_;
 237     UIWebDocumentView *document_;
 238
 239     bool cycript_;
 240     bool scrollable_;
 241
 242     float width_;
 243     CGSize size_;
 244     bool editing_;
 245
 246     NSNumber *confirm_;
 247
 248     NSMutableSet *loading_;
 249     bool error_;
 250     bool reloading_;
 251 }
 252
 253 @end
 254
 255 @implementation WebCydgetLockScreenView
 256
 257 //#include "UICaboodle/UCInternal.h"
 258
 259 - (void) dealloc {
 260     WebThreadLock();
 261
 262     WebView *webview([document_ webView]);
 263     [webview setFrameLoadDelegate:nil];
 264     [webview setResourceLoadDelegate:nil];
 265     [webview setUIDelegate:nil];
 266     [webview setScriptDebugDelegate:nil];
 267     [webview setPolicyDelegate:nil];
 268
 269     /* XXX: these are set by UIWebDocumentView
 270     [webview setDownloadDelegate:nil];
 271     [webview _setFormDelegate:nil];
 272     [webview _setUIKitDelegate:nil];
 273     [webview setEditingDelegate:nil];*/
 274
 275     /* XXX: no one sets this, ever
 276     [webview setWebMailDelegate:nil];*/
 277
 278     [document_ setDelegate:nil];
 279     [document_ setGestureDelegate:nil];
 280     [document_ setFormEditingDelegate:nil];
 281     [document_ setInteractionDelegate:nil];
 282
 283     [indirect_ setDelegate:nil];
 284
 285     [webview close];
 286     [document_ release];
 287
 288     [indirect_ release];
 289
 290     WebThreadUnlock();
 291
 292     [scroller_ setDelegate:nil];
 293
 294     if (confirm_ != nil)
 295         [confirm_ release];
 296
 297     [scroller_ release];
 298     [indicator_ release];
 299     [loading_ release];
 300     [super dealloc];
 301 }
 302
 303 + (float) defaultWidth {
 304     return 980;
 305 }
 306
 307 - (void) _setTileDrawingEnabled:(BOOL)enabled {
 308     //[document_ setTileDrawingEnabled:enabled];
 309 }
 310
 311 - (void) willStartGesturesInView:(UIView *)view forEvent:(GSEventRef)event {
 312     [self _setTileDrawingEnabled:NO];
 313 }
 314
 315 - (void) didFinishGesturesInView:(UIView *)view forEvent:(GSEventRef)event {
 316     [self _setTileDrawingEnabled:YES];
 317     [document_ redrawScaledDocument];
 318 }
 319
 320 - (void) setViewportWidth:(float)width {
 321     width_ = width != 0 ? width : [[self class] defaultWidth];
 322     [document_ setViewportSize:CGSizeMake(width_, UIWebViewGrowsAndShrinksToFitHeight) forDocumentTypes:0x10];
 323 }
 324
 325 - (void) scrollerWillStartDragging:(UIScroller *)scroller {
 326     [self _setTileDrawingEnabled:NO];
 327 }
 328
 329 - (void) scrollerDidEndDragging:(UIScroller *)scroller willSmoothScroll:(BOOL)smooth {
 330     [self _setTileDrawingEnabled:YES];
 331 }
 332
 333 - (void) scrollerDidEndDragging:(UIScroller *)scroller {
 334     [self _setTileDrawingEnabled:YES];
 335 }
 336
 337 - (void) loadRequest:(NSURLRequest *)request {
 338     error_ = false;
 339
 340     WebThreadLock();
 341     [document_ loadRequest:request];
 342     WebThreadUnlock();
 343 }
 344
 345 - (void) loadURL:(NSURL *)url cachePolicy:(NSURLRequestCachePolicy)policy {
 346     [self loadRequest:[NSURLRequest
 347         requestWithURL:url
 348         cachePolicy:policy
 349         timeoutInterval:30.0
 350     ]];
 351 }
 352
 353 - (void) loadURL:(NSURL *)url {
 354     [self loadURL:url cachePolicy:NSURLRequestUseProtocolCachePolicy];
 355 }
 356
 357 - (id) init {
 358     CGRect frame = {{0, 0}, {320, 480}};
 359     frame.size.height -= GSDefaultStatusBarHeight();
 360
 361     if ((self = [super initWithFrame:frame]) != nil) {
 362         loading_ = [[NSMutableSet alloc] initWithCapacity:3];
 363
 364         struct CGRect bounds([self bounds]);
 365
 366         scroller_ = [[UIScroller alloc] initWithFrame:bounds];
 367         [self addSubview:scroller_];
 368
 369         [scroller_ setFixedBackgroundPattern:YES];
 370         [scroller_ setBackgroundColor:[UIColor blackColor]];
 371
 372         [scroller_ setScrollingEnabled:YES];
 373         [scroller_ setClipsSubviews:YES];
 374         [scroller_ setAllowsRubberBanding:YES];
 375
 376         [scroller_ setDelegate:self];
 377         [scroller_ setBounces:YES];
 378         [scroller_ setScrollHysteresis:8];
 379         [scroller_ setThumbDetectionEnabled:NO];
 380         [scroller_ setDirectionalScrolling:YES];
 381         [scroller_ setScrollDecelerationFactor:0.99]; /* 0.989324 */
 382         [scroller_ setEventMode:YES];
 383         [scroller_ setShowBackgroundShadow:NO]; /* YES */
 384         [scroller_ setAllowsRubberBanding:YES]; /* Vertical */
 385         [scroller_ setAdjustForContentSizeChange:YES]; /* NO */
 386
 387         CGRect rect([scroller_ bounds]);
 388         //rect.size.height = 0;
 389
 390         WebThreadLock();
 391
 392         document_ = [[UIWebDocumentView alloc] initWithFrame:rect];
 393         WebView *webview([document_ webView]);
 394
 395         [document_ setBackgroundColor:[UIColor blackColor]];
 396         if ([document_ respondsToSelector:@selector(setDrawsBackground:)])
 397             [document_ setDrawsBackground:NO];
 398         [webview setDrawsBackground:NO];
 399
 400         [webview setPreferencesIdentifier:@"WebCycript"];
 401
 402         [document_ setTileSize:CGSizeMake(rect.size.width, 500)];
 403
 404         if ([document_ respondsToSelector:@selector(enableReachability)])
 405             [document_ enableReachability];
 406
 407         [document_ setAllowsMessaging:YES];
 408
 409         if ([document_ respondsToSelector:@selector(useSelectionAssistantWithMode:)])
 410             [document_ useSelectionAssistantWithMode:0];
 411
 412         [document_ setTilingEnabled:YES];
 413         [document_ setDrawsGrid:NO];
 414         [document_ setLogsTilingChanges:NO];
 415         [document_ setTileMinificationFilter:kCAFilterNearest];
 416
 417         if ([document_ respondsToSelector:@selector(setDataDetectorTypes:)])
 418             /* XXX: abstractify */
 419             [document_ setDataDetectorTypes:0x80000000];
 420         else
 421             [document_ setDetectsPhoneNumbers:NO];
 422
 423         [document_ setAutoresizes:YES];
 424
 425         [document_ setMinimumScale:0.25f forDocumentTypes:0x10];
 426         [document_ setMaximumScale:5.00f forDocumentTypes:0x10];
 427         [document_ setInitialScale:UIWebViewScalesToFitScale forDocumentTypes:0x10];
 428         //[document_ setViewportSize:CGSizeMake(980, UIWebViewGrowsAndShrinksToFitHeight) forDocumentTypes:0x10];
 429
 430         [document_ setViewportSize:CGSizeMake(320, UIWebViewGrowsAndShrinksToFitHeight) forDocumentTypes:0x2];
 431
 432         [document_ setMinimumScale:1.00f forDocumentTypes:0x8];
 433         [document_ setInitialScale:UIWebViewScalesToFitScale forDocumentTypes:0x8];
 434         [document_ setViewportSize:CGSizeMake(320, UIWebViewGrowsAndShrinksToFitHeight) forDocumentTypes:0x8];
 435
 436         [document_ _setDocumentType:0x4];
 437
 438         if ([document_ respondsToSelector:@selector(setZoomsFocusedFormControl:)])
 439             [document_ setZoomsFocusedFormControl:YES];
 440         [document_ setContentsPosition:7];
 441         [document_ setEnabledGestures:0xa];
 442         [document_ setValue:[NSNumber numberWithBool:YES] forGestureAttribute:UIGestureAttributeIsZoomRubberBandEnabled];
 443         [document_ setValue:[NSNumber numberWithBool:YES] forGestureAttribute:UIGestureAttributeUpdatesScroller];
 444
 445         [document_ setSmoothsFonts:YES];
 446         [document_ setAllowsImageSheet:YES];
 447         [webview _setUsesLoaderCache:YES];
 448
 449         [webview setGroupName:@"CydgetGroup"];
 450
 451         WebPreferences *preferences([webview preferences]);
 452
 453         if ([webview respondsToSelector:@selector(_setLayoutInterval:)])
 454             [webview _setLayoutInterval:0];
 455         else
 456             [preferences _setLayoutInterval:0];
 457
 458         [self setViewportWidth:0];
 459
 460         [document_ setDelegate:self];
 461         [document_ setGestureDelegate:self];
 462         [document_ setFormEditingDelegate:self];
 463         [document_ setInteractionDelegate:self];
 464
 465         [scroller_ addSubview:document_];
 466
 467         //NSNotificationCenter *center = [NSNotificationCenter defaultCenter];
 468
 469         indirect_ = [[WebCycriptDelegate alloc] initWithDelegate:self];
 470
 471         [webview setFrameLoadDelegate:indirect_];
 472         [webview setPolicyDelegate:indirect_];
 473         [webview setResourceLoadDelegate:indirect_];
 474         [webview setUIDelegate:indirect_];
 475
 476         /* XXX: do not turn this on under penalty of extreme pain */
 477         [webview setScriptDebugDelegate:nil];
 478
 479         WebThreadUnlock();
 480
 481         CGSize indsize([UIProgressIndicator defaultSizeForStyle:UIProgressIndicatorStyleMediumWhite]);
 482         indicator_ = [[UIProgressIndicator alloc] initWithFrame:CGRectMake(281, 12, indsize.width, indsize.height)];
 483         [indicator_ setStyle:UIProgressIndicatorStyleMediumWhite];
 484
 485         [self setAutoresizingMask:UIViewAutoresizingFlexibleHeight];
 486         [scroller_ setAutoresizingMask:UIViewAutoresizingFlexibleHeight];
 487
 488         NSDictionary *configuration([$CydgetController currentConfiguration]);
 489
 490         cycript_ = [[configuration objectForKey:@"Cycript"] boolValue];
 491
 492         scrollable_ = [[configuration objectForKey:@"Scrollable"] boolValue];
 493         [scroller_ setScrollingEnabled:scrollable_];
 494
 495         NSString *homepage([configuration objectForKey:@"Homepage"]);
 496         [self loadURL:[NSURL URLWithString:homepage]];
 497     } return self;
 498 }
 499
 500 - (void) webView:(WebView *)sender runJavaScriptAlertPanelWithMessage:(NSString *)message initiatedByFrame:(WebFrame *)frame {
 501     [self retain];
 502
 503     UIActionSheet *sheet = [[[UIActionSheet alloc]
 504         initWithTitle:nil
 505         buttons:[NSArray arrayWithObjects:@"OK", nil]
 506         defaultButtonIndex:0
 507         delegate:self
 508         context:@"alert"
 509     ] autorelease];
 510
 511     [sheet setBodyText:message];
 512     [sheet popupAlertAnimated:YES];
 513 }
 514
 515 - (BOOL) webView:(WebView *)sender runJavaScriptConfirmPanelWithMessage:(NSString *)message initiatedByFrame:(WebFrame *)frame {
 516     [self retain];
 517
 518     UIActionSheet *sheet = [[[UIActionSheet alloc]
 519         initWithTitle:nil
 520         buttons:[NSArray arrayWithObjects:@"OK", @"CANCEL", nil]
 521         defaultButtonIndex:0
 522         delegate:indirect_
 523         context:@"confirm"
 524     ] autorelease];
 525
 526     [sheet setNumberOfRows:1];
 527     [sheet setBodyText:message];
 528     [sheet popupAlertAnimated:YES];
 529
 530     NSRunLoop *loop([NSRunLoop currentRunLoop]);
 531     NSDate *future([NSDate distantFuture]);
 532
 533     while (confirm_ == nil && [loop runMode:NSDefaultRunLoopMode beforeDate:future]);
 534
 535     NSNumber *confirm([confirm_ autorelease]);
 536     confirm_ = nil;
 537
 538     [self autorelease];
 539     return [confirm boolValue];
 540 }
 541
 542 /* XXX: WebThreadLock? */
 543 - (void) _fixScroller:(CGRect)bounds {
 544     float extra;
 545     if (!editing_)
 546         extra = 0;
 547     else {
 548         UIFormAssistant *assistant([UIFormAssistant sharedFormAssistant]);
 549         CGRect peripheral([assistant peripheralFrame]);
 550         extra = peripheral.size.height;
 551     }
 552
 553     CGRect subrect([scroller_ frame]);
 554     subrect.size.height -= [TPBottomLockBar defaultHeight];
 555     subrect.size.height -= extra;
 556     [scroller_ setScrollerIndicatorSubrect:subrect];
 557
 558 #undef NSSize
 559     NSSize visible(NSMakeSize(subrect.size.width, subrect.size.height));
 560     [document_ setValue:[NSValue valueWithSize:visible] forGestureAttribute:UIGestureAttributeVisibleSize];
 561
 562     CGSize size(size_);
 563     size.height += extra;
 564     size.height += [TPBottomLockBar defaultHeight];
 565     [scroller_ setContentSize:size];
 566
 567     [scroller_ releaseRubberBandIfNecessary];
 568 }
 569
 570 - (void) fixScroller {
 571     CGRect bounds([document_ documentBounds]);
 572     [self _fixScroller:bounds];
 573 }
 574
 575 - (void) view:(UIView *)sender didSetFrame:(CGRect)frame {
 576     size_ = frame.size;
 577     [self _fixScroller:frame];
 578 }
 579
 580 - (void) view:(UIView *)sender didSetFrame:(CGRect)frame oldFrame:(CGRect)old {
 581     [self view:sender didSetFrame:frame];
 582 }
 583
 584 - (void) webView:(WebView *)sender willBeginEditingFormElement:(id)element {
 585     editing_ = true;
 586 }
 587
 588 - (void) webView:(WebView *)sender didBeginEditingFormElement:(id)element {
 589     [self fixScroller];
 590 }
 591
 592 - (void) webViewDidEndEditingFormElements:(WebView *)sender {
 593     editing_ = false;
 594     [self fixScroller];
 595 }
 596
 597 - (void) webView:(WebView *)sender didClearWindowObject:(WebScriptObject *)window forFrame:(WebFrame *)frame {
 598     if (cycript_)
 599         if (void *handle = dlopen("/usr/lib/libcycript.dylib", RTLD_LAZY | RTLD_GLOBAL))
 600             if (void (*CYSetupContext)(JSGlobalContextRef) = reinterpret_cast<void (*)(JSGlobalContextRef)>(dlsym(handle, "CYSetupContext"))) {
 601                 WebView *webview([document_ webView]);
 602                 WebFrame *frame([webview mainFrame]);
 603                 JSGlobalContextRef context([frame globalContext]);
 604                 CYSetupContext(context);
 605             }
 606 }
 607
 608 - (bool) isLoading {
 609     return [loading_ count] != 0;
 610 }
 611
 612 - (void) reloadButtons {
 613     if ([self isLoading]) {
 614         [UIApp setNetworkActivityIndicatorVisible:YES];
 615         [indicator_ startAnimation];
 616     } else {
 617         [UIApp setNetworkActivityIndicatorVisible:NO];
 618         [indicator_ stopAnimation];
 619     }
 620 }
 621
 622 - (void) _finishLoading {
 623     size_t count([loading_ count]);
 624     /*if (count == 0)
 625         [self autorelease];*/
 626     if (reloading_ || count != 0)
 627         return;
 628     [self reloadButtons];
 629 }
 630
 631 - (BOOL) webView:(WebView *)sender shouldScrollToPoint:(struct CGPoint)point forFrame:(WebFrame *)frame {
 632     return [document_ webView:sender shouldScrollToPoint:point forFrame:frame];
 633 }
 634
 635 - (void) webView:(WebView *)sender didReceiveViewportArguments:(id)arguments forFrame:(WebFrame *)frame {
 636     return [document_ webView:sender didReceiveViewportArguments:arguments forFrame:frame];
 637 }
 638
 639 - (void) webView:(WebView *)sender needsScrollNotifications:(id)notifications forFrame:(WebFrame *)frame {
 640     return [document_ webView:sender needsScrollNotifications:notifications forFrame:frame];
 641 }
 642
 643 - (void) webView:(WebView *)sender didCommitLoadForFrame:(WebFrame *)frame {
 644     return [document_ webView:sender didCommitLoadForFrame:frame];
 645 }
 646
 647 - (void) webView:(WebView *)sender didReceiveDocTypeForFrame:(WebFrame *)frame {
 648     return [document_ webView:sender didReceiveDocTypeForFrame:frame];
 649 }
 650
 651 - (void) webView:(WebView *)sender didFinishLoadForFrame:(WebFrame *)frame {
 652     [loading_ removeObject:[NSValue valueWithNonretainedObject:frame]];
 653     [self _finishLoading];
 654     return [document_ webView:sender didFinishLoadForFrame:frame];
 655 }
 656
 657 - (void) webView:(WebView *)sender didStartProvisionalLoadForFrame:(WebFrame *)frame {
 658     /*if ([loading_ count] == 0)
 659         [self retain];*/
 660     [loading_ addObject:[NSValue valueWithNonretainedObject:frame]];
 661
 662     if ([frame parentFrame] == nil) {
 663         [document_ resignFirstResponder];
 664
 665         reloading_ = false;
 666
 667         [scroller_ scrollPointVisibleAtTopLeft:CGPointZero];
 668
 669         if ([scroller_ respondsToSelector:@selector(setZoomScale:duration:)])
 670             [scroller_ setZoomScale:1 duration:0];
 671         else if ([scroller_ respondsToSelector:@selector(_setZoomScale:duration:)])
 672             [scroller_ _setZoomScale:1 duration:0];
 673         /*else if ([scroller_ respondsToSelector:@selector(setZoomScale:animated:)])
 674             [scroller_ setZoomScale:1 animated:NO];*/
 675
 676         CGRect rect([scroller_ bounds]);
 677         //rect.size.height = 0;
 678         [document_ setFrame:rect];
 679     }
 680
 681     [self reloadButtons];
 682 }
 683
 684 - (void) _didFailWithError:(NSError *)error forFrame:(WebFrame *)frame {
 685     /*if ([frame parentFrame] == nil)
 686         [self autorelease];*/
 687
 688     [loading_ removeObject:[NSValue valueWithNonretainedObject:frame]];
 689     [self _finishLoading];
 690
 691     if (reloading_)
 692         return;
 693
 694     if ([frame parentFrame] == nil) {
 695         [self loadURL:[NSURL URLWithString:[NSString stringWithFormat:@"%@?%@",
 696             [[NSURL fileURLWithPath:[[NSBundle mainBundle] pathForResource:@"error" ofType:@"html"]] absoluteString],
 697             [[error localizedDescription] stringByAddingPercentEscapes]
 698         ]]];
 699
 700         error_ = true;
 701     }
 702 }
 703
 704 - (void) webView:(WebView *)sender didFailLoadWithError:(NSError *)error forFrame:(WebFrame *)frame {
 705     [self _didFailWithError:error forFrame:frame];
 706 }
 707
 708 - (void) webView:(WebView *)sender didFailProvisionalLoadWithError:(NSError *)error forFrame:(WebFrame *)frame {
 709     [self _didFailWithError:error forFrame:frame];
 710 }
 711
 712 - (void) webView:(WebView *)sender addMessageToConsole:(NSDictionary *)dictionary {
 713     fprintf(stderr, "Console:%s\n", [[dictionary description] UTF8String]);
 714 }
 715
 716 @end
 717
 718 @interface WebCycriptLockScreenController : SBAwayViewPluginController {
 719 }
 720
 721 @end
 722
 723 #include <string>
 724
 725 static bool cycript_;
 726 static bool jscript_;
 727
 728 static void SetParser(bool cycript, bool jscript) {
 729     cycript_ = cycript;
 730     jscript_ = jscript;
 731 }
 732
 733 static bool GetParser0() {
 734     return cycript_;
 735 }
 736
 737 static bool GetParser1() {
 738     return jscript_;
 739 }
 740
 741 static void Cycriptify(apr_pool_t *pool, const uint16_t *&data, size_t &size) {
 742     if (void *handle = dlopen("/usr/lib/libcycript.dylib", RTLD_LAZY | RTLD_GLOBAL))
 743         if (void (*CYParseUChar)(apr_pool_t *, const uint16_t **, size_t *) = reinterpret_cast<void (*)(apr_pool_t *, const uint16_t **, size_t *)>(dlsym(handle, "CYParseWebCore")))
 744             CYParseUChar(pool, &data, &size);
 745 }
 746
 747 MSHook(void, _ZN3JSC6Parser5parseEPNS_12JSGlobalDataEPiPNS_7UStringE, JSC::SourceCode **_this, JSC::JSGlobalData *global, int *line, JSC::UString *message) {
 748     if (!GetParser0())
 749         return __ZN3JSC6Parser5parseEPNS_12JSGlobalDataEPiPNS_7UStringE(_this, global, line, message);
 750     else {
 751         SetParser(false, true);
 752         JSC::SourceCode *source(*_this);
 753         const uint16_t *data(source->data());
 754         size_t size(source->length());
 755         apr_pool_t *pool;
 756         apr_pool_create(&pool, NULL);
 757         Cycriptify(pool, data, size);
 758         std::string stuff(data, data + size);
 759         JSC::SourceCode code(JSC::makeSource(JSC::UString(data, size)));
 760         *_this = &code;
 761         __ZN3JSC6Parser5parseEPNS_12JSGlobalDataEPiPNS_7UStringE(_this, global, line, message);
 762         apr_pool_destroy(pool);
 763         *_this = source;
 764     }
 765 }
 766
 767 MSHook(void, _ZN3KJS6Parser5parseEiPKNS_5UCharEjPiS4_PNS_7UStringE, void *_this, int start, const UChar *code, unsigned length, int *source, int *line, JSC::UString *message) {
 768     if (!GetParser0())
 769         return __ZN3KJS6Parser5parseEiPKNS_5UCharEjPiS4_PNS_7UStringE(_this, start, code, length, source, line, message);
 770     else {
 771         const uint16_t *data(code);
 772         size_t size(length);
 773         apr_pool_t *pool;
 774         apr_pool_create(&pool, NULL);
 775         Cycriptify(pool, data, size);
 776         __ZN3KJS6Parser5parseEiPKNS_5UCharEjPiS4_PNS_7UStringE(_this, start, data, size, source, line, message);
 777         apr_pool_destroy(pool);
 778     }
 779 }
 780
 781 struct State {
 782     unsigned state;
 783 };
 784
 785 MSHook(State, _ZN7WebCore13HTMLTokenizer13scriptHandlerENS0_5StateE, State state) {
 786     SetParser(false, true);
 787     state = __ZN7WebCore13HTMLTokenizer13scriptHandlerENS0_5StateE(state);
 788     SetParser(false, false);
 789     return state;
 790 }
 791
 792 MSHook(void, _ZN7WebCore13HTMLTokenizer14notifyFinishedEPNS_14CachedResourceE, void *resource) {
 793     SetParser(false, true);
 794     __ZN7WebCore13HTMLTokenizer14notifyFinishedEPNS_14CachedResourceE(resource);
 795     SetParser(false, false);
 796 }
 797
 798 MSHook(bool, _ZN7WebCore16MIMETypeRegistry29isSupportedJavaScriptMIMETypeERKNS_6StringE, const WebCore::String &mime) {
 799     bool jscript;
 800
 801     if (!GetParser1()) through:
 802         jscript = __ZN7WebCore16MIMETypeRegistry29isSupportedJavaScriptMIMETypeERKNS_6StringE(mime);
 803     else if (mime == "text/cycript") {
 804         SetParser(true, true);
 805         jscript = true;
 806     } else
 807         goto through;
 808
 809     return jscript;
 810 }
 811
 812 /* Cydget:// Protocol {{{ */
 813 @interface CydgetURLProtocol : NSURLProtocol {
 814 }
 815
 816 @end
 817
 818 @implementation CydgetURLProtocol
 819
 820 + (BOOL) canInitWithRequest:(NSURLRequest *)request {
 821     NSURL *url([request URL]);
 822     if (url == nil)
 823         return NO;
 824     NSString *scheme([[url scheme] lowercaseString]);
 825     if (scheme == nil || ![scheme isEqualToString:@"cydget"])
 826         return NO;
 827     return YES;
 828 }
 829
 830 + (NSURLRequest *) canonicalRequestForRequest:(NSURLRequest *)request {
 831     return request;
 832 }
 833
 834 - (void) _returnPNGWithImage:(UIImage *)icon forRequest:(NSURLRequest *)request {
 835     id<NSURLProtocolClient> client([self client]);
 836     if (icon == nil)
 837         [client URLProtocol:self didFailWithError:[NSError errorWithDomain:NSURLErrorDomain code:NSURLErrorFileDoesNotExist userInfo:nil]];
 838     else {
 839         NSData *data(UIImagePNGRepresentation(icon));
 840
 841         NSURLResponse *response([[[NSURLResponse alloc] initWithURL:[request URL] MIMEType:@"image/png" expectedContentLength:-1 textEncodingName:nil] autorelease]);
 842         [client URLProtocol:self didReceiveResponse:response cacheStoragePolicy:NSURLCacheStorageNotAllowed];
 843         [client URLProtocol:self didLoadData:data];
 844         [client URLProtocolDidFinishLoading:self];
 845     }
 846 }
 847
 848 - (void) startLoading {
 849     id<NSURLProtocolClient> client([self client]);
 850     NSURLRequest *request([self request]);
 851
 852     NSURL *url([request URL]);
 853     NSString *href([url absoluteString]);
 854
 855     NSString *path([href substringFromIndex:9]);
 856     NSRange slash([path rangeOfString:@"/"]);
 857
 858     NSString *command;
 859     if (slash.location == NSNotFound) {
 860         command = path;
 861         path = nil;
 862     } else {
 863         command = [path substringToIndex:slash.location];
 864         path = [path substringFromIndex:(slash.location + 1)];
 865     }
 866
 867     if ([command isEqualToString:@"_UIImageWithName"]) {
 868         if (path == nil)
 869             goto fail;
 870         path = [path stringByReplacingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
 871         UIImage *icon(_UIImageWithName(path));
 872         [self _returnPNGWithImage:icon forRequest:request];
 873     } else fail: {
 874         [client URLProtocol:self didFailWithError:[NSError errorWithDomain:NSURLErrorDomain code:NSURLErrorResourceUnavailable userInfo:nil]];
 875     }
 876 }
 877
 878 - (void) stopLoading {
 879 }
 880
 881 @end
 882 /* }}} */
 883
 884 template <typename Type_>
 885 static void nlset(Type_ &function, struct nlist *nl, size_t index) {
 886     struct nlist &name(nl[index]);
 887     uintptr_t value(name.n_value);
 888     if ((name.n_desc & N_ARM_THUMB_DEF) != 0)
 889         value |= 0x00000001;
 890     function = reinterpret_cast<Type_>(value);
 891 }
 892
 893 template <typename Type_>
 894 static void dlset(Type_ &function, const char *name) {
 895     function = reinterpret_cast<Type_>(dlsym(RTLD_DEFAULT, name));
 896 }
 897
 898 @implementation WebCycriptLockScreenController
 899
 900 + (void) initialize {
 901     apr_initialize();
 902
 903     [NSURLProtocol registerClass:[CydgetURLProtocol class]];
 904
 905     void (*_ZN3JSC6Parser5parseEPNS_12JSGlobalDataEPiPNS_7UStringE)(JSC::SourceCode **, JSC::JSGlobalData *, int *, JSC::UString *);
 906     dlset(_ZN3JSC6Parser5parseEPNS_12JSGlobalDataEPiPNS_7UStringE, "_ZN3JSC6Parser5parseEPNS_12JSGlobalDataEPiPNS_7UStringE");
 907     if (_ZN3JSC6Parser5parseEPNS_12JSGlobalDataEPiPNS_7UStringE != NULL)
 908         MSHookFunction(_ZN3JSC6Parser5parseEPNS_12JSGlobalDataEPiPNS_7UStringE, MSHake(_ZN3JSC6Parser5parseEPNS_12JSGlobalDataEPiPNS_7UStringE));
 909
 910     void (*_ZN3KJS6Parser5parseEiPKNS_5UCharEjPiS4_PNS_7UStringE)(void *, int, const UChar *, unsigned, int *, int *, JSC::UString *);
 911     dlset(_ZN3KJS6Parser5parseEiPKNS_5UCharEjPiS4_PNS_7UStringE, "_ZN3KJS6Parser5parseEiPKNS_5UCharEjPiS4_PNS_7UStringE");
 912     if (_ZN3KJS6Parser5parseEiPKNS_5UCharEjPiS4_PNS_7UStringE != NULL)
 913         MSHookFunction(_ZN3KJS6Parser5parseEiPKNS_5UCharEjPiS4_PNS_7UStringE, MSHake(_ZN3KJS6Parser5parseEiPKNS_5UCharEjPiS4_PNS_7UStringE));
 914
 915     struct nlist nl[4];
 916     memset(nl, 0, sizeof(nl));
 917     nl[0].n_un.n_name = (char *) "__ZN7WebCore13HTMLTokenizer13scriptHandlerENS0_5StateE";
 918     nl[1].n_un.n_name = (char *) "__ZN7WebCore13HTMLTokenizer14notifyFinishedEPNS_14CachedResourceE";
 919     nl[2].n_un.n_name = (char *) "__ZN7WebCore16MIMETypeRegistry29isSupportedJavaScriptMIMETypeERKNS_6StringE";
 920     nlist("/System/Library/PrivateFrameworks/WebCore.framework/WebCore", nl);
 921
 922     State (*_ZN7WebCore13HTMLTokenizer13scriptHandlerENS0_5StateE)(State);
 923     nlset(_ZN7WebCore13HTMLTokenizer13scriptHandlerENS0_5StateE, nl, 0);
 924     MSHookFunction(_ZN7WebCore13HTMLTokenizer13scriptHandlerENS0_5StateE, MSHake(_ZN7WebCore13HTMLTokenizer13scriptHandlerENS0_5StateE));
 925
 926     void (*_ZN7WebCore13HTMLTokenizer14notifyFinishedEPNS_14CachedResourceE)(void *);
 927     nlset(_ZN7WebCore13HTMLTokenizer14notifyFinishedEPNS_14CachedResourceE, nl, 1);
 928     MSHookFunction(_ZN7WebCore13HTMLTokenizer14notifyFinishedEPNS_14CachedResourceE, MSHake(_ZN7WebCore13HTMLTokenizer14notifyFinishedEPNS_14CachedResourceE));
 929
 930     bool (*_ZN7WebCore16MIMETypeRegistry29isSupportedJavaScriptMIMETypeERKNS_6StringE)(const WebCore::String &);
 931     nlset(_ZN7WebCore16MIMETypeRegistry29isSupportedJavaScriptMIMETypeERKNS_6StringE, nl, 2);
 932     MSHookFunction(_ZN7WebCore16MIMETypeRegistry29isSupportedJavaScriptMIMETypeERKNS_6StringE, MSHake(_ZN7WebCore16MIMETypeRegistry29isSupportedJavaScriptMIMETypeERKNS_6StringE));
 933 }
 934
 935 + (id) rootViewController {
 936     return [[[self alloc] init] autorelease];
 937 }
 938
 939 - (void) loadView {
 940     [self setView:[[[WebCydgetLockScreenView alloc] init] autorelease]];
 941 }
 942
 943 @end