CyteKit/WebView.mm

   1 /* Cydia - iPhone UIKit Front-End for Debian APT
   2  * Copyright (C) 2008-2011  Jay Freeman (saurik)
   3 */
   4
   5 /* Modified BSD License {{{ */
   6 /*
   7  *        Redistribution and use in source and binary
   8  * forms, with or without modification, are permitted
   9  * provided that the following conditions are met:
  10  *
  11  * 1. Redistributions of source code must retain the
  12  *    above copyright notice, this list of conditions
  13  *    and the following disclaimer.
  14  * 2. Redistributions in binary form must reproduce the
  15  *    above copyright notice, this list of conditions
  16  *    and the following disclaimer in the documentation
  17  *    and/or other materials provided with the
  18  *    distribution.
  19  * 3. The name of the author may not be used to endorse
  20  *    or promote products derived from this software
  21  *    without specific prior written permission.
  22  *
  23  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS''
  24  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
  25  * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
  26  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  27  * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE
  28  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  29  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  30  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  31  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  32  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
  33  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
  34  * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
  35  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
  36  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  37 */
  38 /* }}} */
  39
  40 #include "CyteKit/dispatchEvent.h"
  41 #include "CyteKit/WebView.h"
  42
  43 #include <CydiaSubstrate/CydiaSubstrate.h>
  44
  45 #include "iPhonePrivate.h"
  46
  47 // CYWebPolicyDecision* {{{
  48 @interface CYWebPolicyDecisionMediator : NSObject <
  49     WebPolicyDecisionListener
  50 > {
  51     id<WebPolicyDecisionListener> listener_;
  52     CYWebPolicyDecision decision_;
  53 }
  54
  55 - (id) initWithListener:(id<WebPolicyDecisionListener>)listener;
  56
  57 - (CYWebPolicyDecision) decision;
  58 - (bool) decided;
  59 - (bool) decide;
  60
  61 @end
  62
  63 @implementation CYWebPolicyDecisionMediator
  64
  65 - (id) initWithListener:(id<WebPolicyDecisionListener>)listener {
  66     if ((self = [super init]) != nil) {
  67         listener_ = listener;
  68     } return self;
  69 }
  70
  71 - (CYWebPolicyDecision) decision {
  72     return decision_;
  73 }
  74
  75 - (bool) decided {
  76     return decision_ != CYWebPolicyDecisionUnknown;
  77 }
  78
  79 - (bool) decide {
  80     switch (decision_) {
  81         case CYWebPolicyDecisionUnknown:
  82         default:
  83             NSLog(@"CYWebPolicyDecisionUnknown");
  84             return false;
  85
  86         case CYWebPolicyDecisionDownload: [listener_ download]; break;
  87         case CYWebPolicyDecisionIgnore: [listener_ ignore]; break;
  88         case CYWebPolicyDecisionUse: [listener_ use]; break;
  89     }
  90
  91     return true;
  92 }
  93
  94 - (void) download {
  95     decision_ = CYWebPolicyDecisionDownload;
  96 }
  97
  98 - (void) ignore {
  99     decision_ = CYWebPolicyDecisionIgnore;
 100 }
 101
 102 - (void) use {
 103     decision_ = CYWebPolicyDecisionUse;
 104 }
 105
 106 @end
 107 // }}}
 108
 109 @implementation CyteWebView : UIWebView
 110
 111 #if ShowInternals
 112 #include "CyteKit/UCInternal.h"
 113 #endif
 114
 115 - (id) initWithFrame:(CGRect)frame {
 116     if ((self = [super initWithFrame:frame]) != nil) {
 117     } return self;
 118 }
 119
 120 - (void) dealloc {
 121     if (kCFCoreFoundationVersionNumber < kCFCoreFoundationVersionNumber_iPhoneOS_3_0) {
 122         UIWebViewInternal *&_internal(MSHookIvar<UIWebViewInternal *>(self, "_internal"));
 123         if (&_internal != NULL) {
 124             UIWebViewWebViewDelegate *&webViewDelegate(MSHookIvar<UIWebViewWebViewDelegate *>(_internal, "webViewDelegate"));
 125             if (&webViewDelegate != NULL)
 126                 [webViewDelegate _clearUIWebView];
 127         }
 128     }
 129
 130     [super dealloc];
 131 }
 132
 133 - (NSString *) description {
 134     return [NSString stringWithFormat:@"<%s: %p, %@>", class_getName([self class]), self, [[[self request] URL] absoluteString]];
 135 }
 136
 137 - (id<CyteWebViewDelegate>) delegate {
 138     return (id<CyteWebViewDelegate>) [super delegate];
 139 }
 140
 141 /*- (WebView *) webView:(WebView *)view createWebViewWithRequest:(NSURLRequest *)request {
 142     id<CyteWebViewDelegate> delegate([self delegate]);
 143     WebView *created(nil);
 144     if (created == nil && [delegate respondsToSelector:@selector(webView:createWebViewWithRequest:)])
 145         created = [delegate webView:view createWebViewWithRequest:request];
 146     if (created == nil && [UIWebView instancesRespondToSelector:@selector(webView:createWebViewWithRequest:)])
 147         created = [super webView:view createWebViewWithRequest:request];
 148     return created;
 149 }*/
 150
 151 // webView:addMessageToConsole: (X.Xx) {{{
 152 static void $UIWebViewWebViewDelegate$webView$addMessageToConsole$(UIWebViewWebViewDelegate *self, SEL sel, WebView *view, NSDictionary *message) {
 153     UIWebView *uiWebView(MSHookIvar<UIWebView *>(self, "uiWebView"));
 154     if ([uiWebView respondsToSelector:@selector(webView:addMessageToConsole:)])
 155         [uiWebView webView:view addMessageToConsole:message];
 156 }
 157
 158 - (void) webView:(WebView *)view addMessageToConsole:(NSDictionary *)message {
 159     id<CyteWebViewDelegate> delegate([self delegate]);
 160     if ([delegate respondsToSelector:@selector(webView:addMessageToConsole:)])
 161         [delegate webView:view addMessageToConsole:message];
 162     if ([UIWebView instancesRespondToSelector:@selector(webView:addMessageToConsole:)])
 163         [super webView:view addMessageToConsole:message];
 164 }
 165 // }}}
 166 // webView:decidePolicyForNavigationAction:request:frame:decisionListener: (2.0+) {{{
 167 - (void) webView:(WebView *)view decidePolicyForNavigationAction:(NSDictionary *)action request:(NSURLRequest *)request frame:(WebFrame *)frame decisionListener:(id<WebPolicyDecisionListener>)listener {
 168     id<CyteWebViewDelegate> delegate([self delegate]);
 169     CYWebPolicyDecisionMediator *mediator([[[CYWebPolicyDecisionMediator alloc] initWithListener:listener] autorelease]);
 170     if (![mediator decided] && [delegate respondsToSelector:@selector(webView:decidePolicyForNavigationAction:request:frame:decisionListener:)])
 171         [delegate webView:view decidePolicyForNavigationAction:action request:request frame:frame decisionListener:mediator];
 172     if (![mediator decided] && [UIWebView instancesRespondToSelector:@selector(webView:decidePolicyForNavigationAction:request:frame:decisionListener:)])
 173         [super webView:view decidePolicyForNavigationAction:action request:request frame:frame decisionListener:mediator];
 174     [delegate webView:view didDecidePolicy:[mediator decision] forNavigationAction:action request:request frame:frame];
 175     [mediator decide];
 176 }
 177 // }}}
 178 // webView:decidePolicyForNewWindowAction:request:newFrameName:decisionListener: (3.0+) {{{
 179 static void $UIWebViewWebViewDelegate$webView$decidePolicyForNewWindowAction$request$newFrameName$decisionListener$(UIWebViewWebViewDelegate *self, SEL sel, WebView *view, NSDictionary *action, NSURLRequest *request, NSString *frame, id<WebPolicyDecisionListener> listener) {
 180     UIWebView *uiWebView(MSHookIvar<UIWebView *>(self, "uiWebView"));
 181     if ([uiWebView respondsToSelector:@selector(webView:decidePolicyForNewWindowAction:request:newFrameName:decisionListener:)])
 182         [uiWebView webView:view decidePolicyForNewWindowAction:action request:request newFrameName:frame decisionListener:listener];
 183 }
 184
 185 - (void) webView:(WebView *)view decidePolicyForNewWindowAction:(NSDictionary *)action request:(NSURLRequest *)request newFrameName:(NSString *)frame decisionListener:(id<WebPolicyDecisionListener>)listener {
 186     id<CyteWebViewDelegate> delegate([self delegate]);
 187     CYWebPolicyDecisionMediator *mediator([[[CYWebPolicyDecisionMediator alloc] initWithListener:listener] autorelease]);
 188     if (![mediator decided] && [delegate respondsToSelector:@selector(webView:decidePolicyForNewWindowAction:request:newFrameName:decisionListener:)])
 189         [delegate webView:view decidePolicyForNewWindowAction:action request:request newFrameName:frame decisionListener:mediator];
 190     if (![mediator decided] && [UIWebView instancesRespondToSelector:@selector(webView:decidePolicyForNewWindowAction:request:newFrameName:decisionListener:)])
 191         [super webView:view decidePolicyForNewWindowAction:action request:request newFrameName:frame decisionListener:mediator];
 192     [mediator decide];
 193 }
 194 // }}}
 195 // webView:didClearWindowObject:forFrame: (3.2+) {{{
 196 static void $UIWebViewWebViewDelegate$webView$didClearWindowObject$forFrame$(UIWebViewWebViewDelegate *self, SEL sel, WebView *view, WebScriptObject *window, WebFrame *frame) {
 197     UIWebView *uiWebView(MSHookIvar<UIWebView *>(self, "uiWebView"));
 198     if ([uiWebView respondsToSelector:@selector(webView:didClearWindowObject:forFrame:)])
 199         [uiWebView webView:view didClearWindowObject:window forFrame:frame];
 200 }
 201
 202 - (void) webView:(WebView *)view didClearWindowObject:(WebScriptObject *)window forFrame:(WebFrame *)frame {
 203     id<CyteWebViewDelegate> delegate([self delegate]);
 204     if ([delegate respondsToSelector:@selector(webView:didClearWindowObject:forFrame:)])
 205         [delegate webView:view didClearWindowObject:window forFrame:frame];
 206     if ([UIWebView instancesRespondToSelector:@selector(webView:didClearWindowObject:forFrame:)])
 207         [super webView:view didClearWindowObject:window forFrame:frame];
 208 }
 209 // }}}
 210 // webView:didCommitLoadForFrame: (3.0+) {{{
 211 static void $UIWebViewWebViewDelegate$webView$didCommitLoadForFrame$(UIWebViewWebViewDelegate *self, SEL sel, WebView *view, WebFrame *frame) {
 212     UIWebView *uiWebView(MSHookIvar<UIWebView *>(self, "uiWebView"));
 213     if ([uiWebView respondsToSelector:@selector(webView:didCommitLoadForFrame:)])
 214         [uiWebView webView:view didCommitLoadForFrame:frame];
 215 }
 216
 217 - (void) webView:(WebView *)view didCommitLoadForFrame:(WebFrame *)frame {
 218     id<CyteWebViewDelegate> delegate([self delegate]);
 219     if ([delegate respondsToSelector:@selector(webView:didCommitLoadForFrame:)])
 220         [delegate webView:view didCommitLoadForFrame:frame];
 221     if ([UIWebView instancesRespondToSelector:@selector(webView:didCommitLoadForFrame:)])
 222         [super webView:view didCommitLoadForFrame:frame];
 223 }
 224 // }}}
 225 // webView:didFailLoadWithError:forFrame: (2.0+) {{{
 226 - (void) webView:(WebView *)view didFailLoadWithError:(NSError *)error forFrame:(WebFrame *)frame {
 227     id<CyteWebViewDelegate> delegate([self delegate]);
 228     if ([delegate respondsToSelector:@selector(webView:didFailLoadWithError:forFrame:)])
 229         [delegate webView:view didFailLoadWithError:error forFrame:frame];
 230     if ([UIWebView instancesRespondToSelector:@selector(webView:didFailLoadWithError:forFrame:)])
 231         [super webView:view didFailLoadWithError:error forFrame:frame];
 232 }
 233 // }}}
 234 // webView:didFailProvisionalLoadWithError:forFrame: (2.0+) {{{
 235 - (void) webView:(WebView *)view didFailProvisionalLoadWithError:(NSError *)error forFrame:(WebFrame *)frame {
 236     id<CyteWebViewDelegate> delegate([self delegate]);
 237     if ([delegate respondsToSelector:@selector(webView:didFailProvisionalLoadWithError:forFrame:)])
 238         [delegate webView:view didFailProvisionalLoadWithError:error forFrame:frame];
 239     if ([UIWebView instancesRespondToSelector:@selector(webView:didFailProvisionalLoadWithError:forFrame:)])
 240         [super webView:view didFailProvisionalLoadWithError:error forFrame:frame];
 241 }
 242 // }}}
 243 // webView:didFinishLoadForFrame: (2.0+) {{{
 244 - (void) webView:(WebView *)view didFinishLoadForFrame:(WebFrame *)frame {
 245     id<CyteWebViewDelegate> delegate([self delegate]);
 246     if ([delegate respondsToSelector:@selector(webView:didFinishLoadForFrame:)])
 247         [delegate webView:view didFinishLoadForFrame:frame];
 248     if ([UIWebView instancesRespondToSelector:@selector(webView:didFinishLoadForFrame:)])
 249         [super webView:view didFinishLoadForFrame:frame];
 250 }
 251 // }}}
 252 // webView:didReceiveTitle:forFrame: (3.2+) {{{
 253 static void $UIWebViewWebViewDelegate$webView$didReceiveTitle$forFrame$(UIWebViewWebViewDelegate *self, SEL sel, WebView *view, NSString *title, WebFrame *frame) {
 254     UIWebView *uiWebView(MSHookIvar<UIWebView *>(self, "uiWebView"));
 255     if ([uiWebView respondsToSelector:@selector(webView:didReceiveTitle:forFrame:)])
 256         [uiWebView webView:view didReceiveTitle:title forFrame:frame];
 257 }
 258
 259 - (void) webView:(WebView *)view didReceiveTitle:(NSString *)title forFrame:(WebFrame *)frame {
 260     id<CyteWebViewDelegate> delegate([self delegate]);
 261     if ([delegate respondsToSelector:@selector(webView:didReceiveTitle:forFrame:)])
 262         [delegate webView:view didReceiveTitle:title forFrame:frame];
 263     if ([UIWebView instancesRespondToSelector:@selector(webView:didReceiveTitle:forFrame:)])
 264         [super webView:view didReceiveTitle:title forFrame:frame];
 265 }
 266 // }}}
 267 // webView:didStartProvisionalLoadForFrame: (2.0+) {{{
 268 - (void) webView:(WebView *)view didStartProvisionalLoadForFrame:(WebFrame *)frame {
 269     id<CyteWebViewDelegate> delegate([self delegate]);
 270     if ([delegate respondsToSelector:@selector(webView:didStartProvisionalLoadForFrame:)])
 271         [delegate webView:view didStartProvisionalLoadForFrame:frame];
 272     if ([UIWebView instancesRespondToSelector:@selector(webView:didStartProvisionalLoadForFrame:)])
 273         [super webView:view didStartProvisionalLoadForFrame:frame];
 274 }
 275 // }}}
 276 // webView:resource:willSendRequest:redirectResponse:fromDataSource: (3.2+) {{{
 277 static NSURLRequest *$UIWebViewWebViewDelegate$webView$resource$willSendRequest$redirectResponse$fromDataSource$(UIWebViewWebViewDelegate *self, SEL sel, WebView *view, id identifier, NSURLRequest *request, NSURLResponse *response, WebDataSource *source) {
 278     UIWebView *uiWebView(MSHookIvar<UIWebView *>(self, "uiWebView"));
 279     if ([uiWebView respondsToSelector:@selector(webView:resource:willSendRequest:redirectResponse:fromDataSource:)])
 280         request = [uiWebView webView:view resource:identifier willSendRequest:request redirectResponse:response fromDataSource:source];
 281     return request;
 282 }
 283
 284 - (NSURLRequest *) webView:(WebView *)view resource:(id)identifier willSendRequest:(NSURLRequest *)request redirectResponse:(NSURLResponse *)response fromDataSource:(WebDataSource *)source {
 285     id<CyteWebViewDelegate> delegate([self delegate]);
 286     if ([UIWebView instancesRespondToSelector:@selector(webView:resource:willSendRequest:redirectResponse:fromDataSource:)])
 287         request = [super webView:view resource:identifier willSendRequest:request redirectResponse:response fromDataSource:source];
 288     if ([delegate respondsToSelector:@selector(webView:resource:willSendRequest:redirectResponse:fromDataSource:)])
 289         request = [delegate webView:view resource:identifier willSendRequest:request redirectResponse:response fromDataSource:source];
 290     return request;
 291 }
 292 // }}}
 293 // webView:runJavaScriptAlertPanelWithMessage:initiatedByFrame: (2.1+) {{{
 294 - (void) webView:(WebView *)view runJavaScriptAlertPanelWithMessage:(NSString *)message initiatedByFrame:(WebFrame *)frame {
 295     [[self retain] autorelease];
 296     id<CyteWebViewDelegate> delegate([self delegate]);
 297     if ([UIWebView instancesRespondToSelector:@selector(webView:runJavaScriptAlertPanelWithMessage:initiatedByFrame:)])
 298         if (
 299             ![delegate respondsToSelector:@selector(webView:shouldRunJavaScriptAlertPanelWithMessage:initiatedByFrame:)] ||
 300             [delegate webView:view shouldRunJavaScriptAlertPanelWithMessage:message initiatedByFrame:frame]
 301         )
 302             [super webView:view runJavaScriptAlertPanelWithMessage:message initiatedByFrame:frame];
 303 }
 304 // }}}
 305 // webView:runJavaScriptConfirmPanelWithMessage:initiatedByFrame: (2.1+) {{{
 306 - (BOOL) webView:(WebView *)view runJavaScriptConfirmPanelWithMessage:(NSString *)message initiatedByFrame:(WebFrame *)frame {
 307     [[self retain] autorelease];
 308     id<CyteWebViewDelegate> delegate([self delegate]);
 309     if ([UIWebView instancesRespondToSelector:@selector(webView:runJavaScriptConfirmPanelWithMessage:initiatedByFrame:)])
 310         if (
 311             ![delegate respondsToSelector:@selector(webView:shouldRunJavaScriptConfirmPanelWithMessage:initiatedByFrame:)] ||
 312             [delegate webView:view shouldRunJavaScriptConfirmPanelWithMessage:message initiatedByFrame:frame]
 313         )
 314             return [super webView:view runJavaScriptConfirmPanelWithMessage:message initiatedByFrame:frame];
 315     return NO;
 316 }
 317 // }}}
 318 // webView:runJavaScriptTextInputPanelWithPrompt:defaultText:initiatedByFrame: (2.1+) {{{
 319 - (NSString *) webView:(WebView *)view runJavaScriptTextInputPanelWithPrompt:(NSString *)prompt defaultText:(NSString *)text initiatedByFrame:(WebFrame *)frame {
 320     [[self retain] autorelease];
 321     id<CyteWebViewDelegate> delegate([self delegate]);
 322     if ([UIWebView instancesRespondToSelector:@selector(webView:runJavaScriptTextInputPanelWithPrompt:defaultText:initiatedByFrame:)])
 323         if (
 324             ![delegate respondsToSelector:@selector(webView:shouldRunJavaScriptTextInputPanelWithPrompt:defaultText:initiatedByFrame:)] ||
 325             [delegate webView:view shouldRunJavaScriptTextInputPanelWithPrompt:prompt defaultText:text initiatedByFrame:frame]
 326         )
 327             return [super webView:view runJavaScriptTextInputPanelWithPrompt:prompt defaultText:text initiatedByFrame:frame];
 328     return nil;
 329 }
 330 // }}}
 331 // webViewClose: (3.2+) {{{
 332 static void $UIWebViewWebViewDelegate$webViewClose$(UIWebViewWebViewDelegate *self, SEL sel, WebView *view) {
 333     UIWebView *uiWebView(MSHookIvar<UIWebView *>(self, "uiWebView"));
 334     if ([uiWebView respondsToSelector:@selector(webViewClose:)])
 335         [uiWebView webViewClose:view];
 336 }
 337
 338 - (void) webViewClose:(WebView *)view {
 339     id<CyteWebViewDelegate> delegate([self delegate]);
 340     if ([delegate respondsToSelector:@selector(webViewClose:)])
 341         [delegate webViewClose:view];
 342     if ([UIWebView instancesRespondToSelector:@selector(webViewClose:)])
 343         [super webViewClose:view];
 344 }
 345 // }}}
 346
 347 - (void) _updateViewSettings {
 348     [super _updateViewSettings];
 349
 350     id<CyteWebViewDelegate> delegate([self delegate]);
 351     if ([delegate respondsToSelector:@selector(webViewUpdateViewSettings:)])
 352         [delegate webViewUpdateViewSettings:self];
 353 }
 354
 355 - (void) dispatchEvent:(NSString *)event {
 356     [[self _documentView] dispatchEvent:event];
 357 }
 358
 359 - (void) reloadFromOrigin {
 360     [[[self _documentView] webView] reloadFromOrigin:nil];
 361 }
 362
 363 @end
 364
 365 static void $UIWebViewWebViewDelegate$_clearUIWebView(UIWebViewWebViewDelegate *self, SEL sel) {
 366     MSHookIvar<UIWebView *>(self, "uiWebView") = nil;
 367 }
 368
 369 __attribute__((__constructor__)) static void $() {
 370     if (Class $UIWebViewWebViewDelegate = objc_getClass("UIWebViewWebViewDelegate")) {
 371         class_addMethod($UIWebViewWebViewDelegate, @selector(webView:addMessageToConsole:), (IMP) &$UIWebViewWebViewDelegate$webView$addMessageToConsole$, "v16@0:4@8@12");
 372         class_addMethod($UIWebViewWebViewDelegate, @selector(webView:decidePolicyForNewWindowAction:request:newFrameName:decisionListener:), (IMP) &$UIWebViewWebViewDelegate$webView$decidePolicyForNewWindowAction$request$newFrameName$decisionListener$, "v28@0:4@8@12@16@20@24");
 373         class_addMethod($UIWebViewWebViewDelegate, @selector(webView:didClearWindowObject:forFrame:), (IMP) &$UIWebViewWebViewDelegate$webView$didClearWindowObject$forFrame$, "v20@0:4@8@12@16");
 374         class_addMethod($UIWebViewWebViewDelegate, @selector(webView:didCommitLoadForFrame:), (IMP) &$UIWebViewWebViewDelegate$webView$didCommitLoadForFrame$, "v16@0:4@8@12");
 375         class_addMethod($UIWebViewWebViewDelegate, @selector(webView:didReceiveTitle:forFrame:), (IMP) &$UIWebViewWebViewDelegate$webView$didReceiveTitle$forFrame$, "v20@0:4@8@12@16");
 376         class_addMethod($UIWebViewWebViewDelegate, @selector(webView:resource:willSendRequest:redirectResponse:fromDataSource:), (IMP) &$UIWebViewWebViewDelegate$webView$resource$willSendRequest$redirectResponse$fromDataSource$, "@28@0:4@8@12@16@20@24");
 377         class_addMethod($UIWebViewWebViewDelegate, @selector(webViewClose:), (IMP) &$UIWebViewWebViewDelegate$webViewClose$, "v12@0:4@8");
 378         class_addMethod($UIWebViewWebViewDelegate, @selector(_clearUIWebView), (IMP) &$UIWebViewWebViewDelegate$_clearUIWebView, "v8@0:4");
 379     }
 380 }