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/WebView.h"
  41 #include "CyteKit/WebThreadLocked.hpp"
  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     [super dealloc];
 122 }
 123
 124 - (id<CyteWebViewDelegate>) delegate {
 125     return (id<CyteWebViewDelegate>) [super delegate];
 126 }
 127
 128 /*- (WebView *) webView:(WebView *)view createWebViewWithRequest:(NSURLRequest *)request {
 129     id<CyteWebViewDelegate> delegate([self delegate]);
 130     WebView *created(nil);
 131     if (created == nil && [delegate respondsToSelector:@selector(webView:createWebViewWithRequest:)])
 132         created = [delegate webView:view createWebViewWithRequest:request];
 133     if (created == nil && [UIWebView instancesRespondToSelector:@selector(webView:createWebViewWithRequest:)])
 134         created = [super webView:view createWebViewWithRequest:request];
 135     return created;
 136 }*/
 137
 138 // webView:addMessageToConsole: (X.Xx) {{{
 139 static void $UIWebViewWebViewDelegate$webView$addMessageToConsole$(UIWebViewWebViewDelegate *self, SEL sel, WebView *view, NSDictionary *message) {
 140     UIWebView *uiWebView(MSHookIvar<UIWebView *>(self, "uiWebView"));
 141     if ([uiWebView respondsToSelector:@selector(webView:addMessageToConsole:)])
 142         [uiWebView webView:view addMessageToConsole:message];
 143 }
 144
 145 - (void) webView:(WebView *)view addMessageToConsole:(NSDictionary *)message {
 146     id<CyteWebViewDelegate> delegate([self delegate]);
 147     if ([delegate respondsToSelector:@selector(webView:addMessageToConsole:)])
 148         [delegate webView:view addMessageToConsole:message];
 149     if ([UIWebView instancesRespondToSelector:@selector(webView:addMessageToConsole:)])
 150         [super webView:view addMessageToConsole:message];
 151 }
 152 // }}}
 153 // webView:decidePolicyForNavigationAction:request:frame:decisionListener: (2.0+) {{{
 154 - (void) webView:(WebView *)view decidePolicyForNavigationAction:(NSDictionary *)action request:(NSURLRequest *)request frame:(WebFrame *)frame decisionListener:(id<WebPolicyDecisionListener>)listener {
 155     id<CyteWebViewDelegate> delegate([self delegate]);
 156     CYWebPolicyDecisionMediator *mediator([[[CYWebPolicyDecisionMediator alloc] initWithListener:listener] autorelease]);
 157     if (![mediator decided] && [delegate respondsToSelector:@selector(webView:decidePolicyForNavigationAction:request:frame:decisionListener:)])
 158         [delegate webView:view decidePolicyForNavigationAction:action request:request frame:frame decisionListener:mediator];
 159     if (![mediator decided] && [UIWebView instancesRespondToSelector:@selector(webView:decidePolicyForNavigationAction:request:frame:decisionListener:)])
 160         [super webView:view decidePolicyForNavigationAction:action request:request frame:frame decisionListener:mediator];
 161     [delegate webView:view didDecidePolicy:[mediator decision] forNavigationAction:action request:request frame:frame];
 162     [mediator decide];
 163 }
 164 // }}}
 165 // webView:decidePolicyForNewWindowAction:request:newFrameName:decisionListener: (3.0+) {{{
 166 static void $UIWebViewWebViewDelegate$webView$decidePolicyForNewWindowAction$request$newFrameName$decisionListener$(UIWebViewWebViewDelegate *self, SEL sel, WebView *view, NSDictionary *action, NSURLRequest *request, NSString *frame, id<WebPolicyDecisionListener> listener) {
 167     UIWebView *uiWebView(MSHookIvar<UIWebView *>(self, "uiWebView"));
 168     if ([uiWebView respondsToSelector:@selector(webView:decidePolicyForNewWindowAction:request:newFrameName:decisionListener:)])
 169         [uiWebView webView:view decidePolicyForNewWindowAction:action request:request newFrameName:frame decisionListener:listener];
 170 }
 171
 172 - (void) webView:(WebView *)view decidePolicyForNewWindowAction:(NSDictionary *)action request:(NSURLRequest *)request newFrameName:(NSString *)frame decisionListener:(id<WebPolicyDecisionListener>)listener {
 173     id<CyteWebViewDelegate> delegate([self delegate]);
 174     CYWebPolicyDecisionMediator *mediator([[[CYWebPolicyDecisionMediator alloc] initWithListener:listener] autorelease]);
 175     if (![mediator decided] && [delegate respondsToSelector:@selector(webView:decidePolicyForNewWindowAction:request:newFrameName:decisionListener:)])
 176         [delegate webView:view decidePolicyForNewWindowAction:action request:request newFrameName:frame decisionListener:mediator];
 177     if (![mediator decided] && [UIWebView instancesRespondToSelector:@selector(webView:decidePolicyForNewWindowAction:request:newFrameName:decisionListener:)])
 178         [super webView:view decidePolicyForNewWindowAction:action request:request newFrameName:frame decisionListener:mediator];
 179     [mediator decide];
 180 }
 181 // }}}
 182 // webView:didClearWindowObject:forFrame: (3.2+) {{{
 183 static void $UIWebViewWebViewDelegate$webView$didClearWindowObject$forFrame$(UIWebViewWebViewDelegate *self, SEL sel, WebView *view, WebScriptObject *window, WebFrame *frame) {
 184     UIWebView *uiWebView(MSHookIvar<UIWebView *>(self, "uiWebView"));
 185     if ([uiWebView respondsToSelector:@selector(webView:didClearWindowObject:forFrame:)])
 186         [uiWebView webView:view didClearWindowObject:window forFrame:frame];
 187 }
 188
 189 - (void) webView:(WebView *)view didClearWindowObject:(WebScriptObject *)window forFrame:(WebFrame *)frame {
 190     id<CyteWebViewDelegate> delegate([self delegate]);
 191     if ([delegate respondsToSelector:@selector(webView:didClearWindowObject:forFrame:)])
 192         [delegate webView:view didClearWindowObject:window forFrame:frame];
 193     if ([UIWebView instancesRespondToSelector:@selector(webView:didClearWindowObject:forFrame:)])
 194         [super webView:view didClearWindowObject:window forFrame:frame];
 195 }
 196 // }}}
 197 // webView:didFailLoadWithError:forFrame: (2.0+) {{{
 198 - (void) webView:(WebView *)view didFailLoadWithError:(NSError *)error forFrame:(WebFrame *)frame {
 199     id<CyteWebViewDelegate> delegate([self delegate]);
 200     if ([delegate respondsToSelector:@selector(webView:didFailLoadWithError:forFrame:)])
 201         [delegate webView:view didFailLoadWithError:error forFrame:frame];
 202     if ([UIWebView instancesRespondToSelector:@selector(webView:didFailLoadWithError:forFrame:)])
 203         [super webView:view didFailLoadWithError:error forFrame:frame];
 204 }
 205 // }}}
 206 // webView:didFailProvisionalLoadWithError:forFrame: (2.0+) {{{
 207 - (void) webView:(WebView *)view didFailProvisionalLoadWithError:(NSError *)error forFrame:(WebFrame *)frame {
 208     id<CyteWebViewDelegate> delegate([self delegate]);
 209     if ([delegate respondsToSelector:@selector(webView:didFailProvisionalLoadWithError:forFrame:)])
 210         [delegate webView:view didFailProvisionalLoadWithError:error forFrame:frame];
 211     if ([UIWebView instancesRespondToSelector:@selector(webView:didFailProvisionalLoadWithError:forFrame:)])
 212         [super webView:view didFailProvisionalLoadWithError:error forFrame:frame];
 213 }
 214 // }}}
 215 // webView:didFinishLoadForFrame: (2.0+) {{{
 216 - (void) webView:(WebView *)view didFinishLoadForFrame:(WebFrame *)frame {
 217     id<CyteWebViewDelegate> delegate([self delegate]);
 218     if ([delegate respondsToSelector:@selector(webView:didFinishLoadForFrame:)])
 219         [delegate webView:view didFinishLoadForFrame:frame];
 220     if ([UIWebView instancesRespondToSelector:@selector(webView:didFinishLoadForFrame:)])
 221         [super webView:view didFinishLoadForFrame:frame];
 222 }
 223 // }}}
 224 // webView:didReceiveTitle:forFrame: (3.2+) {{{
 225 static void $UIWebViewWebViewDelegate$webView$didReceiveTitle$forFrame$(UIWebViewWebViewDelegate *self, SEL sel, WebView *view, NSString *title, WebFrame *frame) {
 226     UIWebView *uiWebView(MSHookIvar<UIWebView *>(self, "uiWebView"));
 227     if ([uiWebView respondsToSelector:@selector(webView:didReceiveTitle:forFrame:)])
 228         [uiWebView webView:view didReceiveTitle:title forFrame:frame];
 229 }
 230
 231 - (void) webView:(WebView *)view didReceiveTitle:(NSString *)title forFrame:(WebFrame *)frame {
 232     id<CyteWebViewDelegate> delegate([self delegate]);
 233     if ([delegate respondsToSelector:@selector(webView:didReceiveTitle:forFrame:)])
 234         [delegate webView:view didReceiveTitle:title forFrame:frame];
 235     if ([UIWebView instancesRespondToSelector:@selector(webView:didReceiveTitle:forFrame:)])
 236         [super webView:view didReceiveTitle:title forFrame:frame];
 237 }
 238 // }}}
 239 // webView:didStartProvisionalLoadForFrame: (2.0+) {{{
 240 - (void) webView:(WebView *)view didStartProvisionalLoadForFrame:(WebFrame *)frame {
 241     id<CyteWebViewDelegate> delegate([self delegate]);
 242     if ([delegate respondsToSelector:@selector(webView:didStartProvisionalLoadForFrame:)])
 243         [delegate webView:view didStartProvisionalLoadForFrame:frame];
 244     if ([UIWebView instancesRespondToSelector:@selector(webView:didStartProvisionalLoadForFrame:)])
 245         [super webView:view didStartProvisionalLoadForFrame:frame];
 246 }
 247 // }}}
 248 // webView:resource:willSendRequest:redirectResponse:fromDataSource: (3.2+) {{{
 249 static NSURLRequest *$UIWebViewWebViewDelegate$webView$resource$willSendRequest$redirectResponse$fromDataSource$(UIWebViewWebViewDelegate *self, SEL sel, WebView *view, id identifier, NSURLRequest *request, NSURLResponse *response, WebDataSource *source) {
 250     UIWebView *uiWebView(MSHookIvar<UIWebView *>(self, "uiWebView"));
 251     if ([uiWebView respondsToSelector:@selector(webView:resource:willSendRequest:redirectResponse:fromDataSource:)])
 252         request = [uiWebView webView:view resource:identifier willSendRequest:request redirectResponse:response fromDataSource:source];
 253     return request;
 254 }
 255
 256 - (NSURLRequest *) webView:(WebView *)view resource:(id)identifier willSendRequest:(NSURLRequest *)request redirectResponse:(NSURLResponse *)response fromDataSource:(WebDataSource *)source {
 257     id<CyteWebViewDelegate> delegate([self delegate]);
 258     if ([UIWebView instancesRespondToSelector:@selector(webView:resource:willSendRequest:redirectResponse:fromDataSource:)])
 259         request = [super webView:view resource:identifier willSendRequest:request redirectResponse:response fromDataSource:source];
 260     if ([delegate respondsToSelector:@selector(webView:resource:willSendRequest:redirectResponse:fromDataSource:)])
 261         request = [delegate webView:view resource:identifier willSendRequest:request redirectResponse:response fromDataSource:source];
 262     return request;
 263 }
 264 // }}}
 265 // webView:runJavaScriptAlertPanelWithMessage:initiatedByFrame: (2.1+) {{{
 266 - (void) webView:(WebView *)view runJavaScriptAlertPanelWithMessage:(NSString *)message initiatedByFrame:(WebFrame *)frame {
 267     [[self retain] autorelease];
 268     id<CyteWebViewDelegate> delegate([self delegate]);
 269     if ([UIWebView instancesRespondToSelector:@selector(webView:runJavaScriptAlertPanelWithMessage:initiatedByFrame:)])
 270         if (
 271             ![delegate respondsToSelector:@selector(webView:shouldRunJavaScriptAlertPanelWithMessage:initiatedByFrame:)] ||
 272             [delegate webView:view shouldRunJavaScriptAlertPanelWithMessage:message initiatedByFrame:frame]
 273         )
 274             [super webView:view runJavaScriptAlertPanelWithMessage:message initiatedByFrame:frame];
 275 }
 276 // }}}
 277 // webView:runJavaScriptConfirmPanelWithMessage:initiatedByFrame: (2.1+) {{{
 278 - (BOOL) webView:(WebView *)view runJavaScriptConfirmPanelWithMessage:(NSString *)message initiatedByFrame:(WebFrame *)frame {
 279     [[self retain] autorelease];
 280     id<CyteWebViewDelegate> delegate([self delegate]);
 281     if ([UIWebView instancesRespondToSelector:@selector(webView:runJavaScriptConfirmPanelWithMessage:initiatedByFrame:)])
 282         if (
 283             ![delegate respondsToSelector:@selector(webView:shouldRunJavaScriptConfirmPanelWithMessage:initiatedByFrame:)] ||
 284             [delegate webView:view shouldRunJavaScriptConfirmPanelWithMessage:message initiatedByFrame:frame]
 285         )
 286             return [super webView:view runJavaScriptConfirmPanelWithMessage:message initiatedByFrame:frame];
 287     return NO;
 288 }
 289 // }}}
 290 // webView:runJavaScriptTextInputPanelWithPrompt:defaultText:initiatedByFrame: (2.1+) {{{
 291 - (NSString *) webView:(WebView *)view runJavaScriptTextInputPanelWithPrompt:(NSString *)prompt defaultText:(NSString *)text initiatedByFrame:(WebFrame *)frame {
 292     [[self retain] autorelease];
 293     id<CyteWebViewDelegate> delegate([self delegate]);
 294     if ([UIWebView instancesRespondToSelector:@selector(webView:runJavaScriptTextInputPanelWithPrompt:defaultText:initiatedByFrame:)])
 295         if (
 296             ![delegate respondsToSelector:@selector(webView:shouldRunJavaScriptTextInputPanelWithPrompt:defaultText:initiatedByFrame:)] ||
 297             [delegate webView:view shouldRunJavaScriptTextInputPanelWithPrompt:prompt defaultText:text initiatedByFrame:frame]
 298         )
 299             return [super webView:view runJavaScriptTextInputPanelWithPrompt:prompt defaultText:text initiatedByFrame:frame];
 300     return nil;
 301 }
 302 // }}}
 303 // webViewClose: (3.2+) {{{
 304 static void $UIWebViewWebViewDelegate$webViewClose$(UIWebViewWebViewDelegate *self, SEL sel, WebView *view) {
 305     UIWebView *uiWebView(MSHookIvar<UIWebView *>(self, "uiWebView"));
 306     if ([uiWebView respondsToSelector:@selector(webViewClose:)])
 307         [uiWebView webViewClose:view];
 308 }
 309
 310 - (void) webViewClose:(WebView *)view {
 311     id<CyteWebViewDelegate> delegate([self delegate]);
 312     if ([delegate respondsToSelector:@selector(webViewClose:)])
 313         [delegate webViewClose:view];
 314     if ([UIWebView instancesRespondToSelector:@selector(webViewClose:)])
 315         [super webViewClose:view];
 316 }
 317 // }}}
 318
 319 - (void) _updateViewSettings {
 320     [super _updateViewSettings];
 321
 322     id<CyteWebViewDelegate> delegate([self delegate]);
 323     if ([delegate respondsToSelector:@selector(webViewUpdateViewSettings:)])
 324         [delegate webViewUpdateViewSettings:self];
 325 }
 326
 327 - (void) dispatchEvent:(NSString *)event {
 328     WebThreadLocked lock;
 329
 330     NSString *script([NSString stringWithFormat:@
 331         "(function() {"
 332             "var event = this.document.createEvent('Events');"
 333             "event.initEvent('%@', false, false);"
 334             "this.document.dispatchEvent(event);"
 335         "})();"
 336     , event]);
 337
 338     NSMutableArray *frames([NSMutableArray arrayWithObjects:
 339         [[[self _documentView] webView] mainFrame]
 340     , nil]);
 341
 342     while (WebFrame *frame = [frames lastObject]) {
 343         WebScriptObject *object([frame windowObject]);
 344         [object evaluateWebScript:script];
 345         [frames removeLastObject];
 346         [frames addObjectsFromArray:[frame childFrames]];
 347     }
 348 }
 349
 350 - (void) reloadFromOrigin {
 351     [[[self _documentView] webView] reloadFromOrigin:nil];
 352 }
 353
 354 + (void) initialize {
 355     if (Class $UIWebViewWebViewDelegate = objc_getClass("UIWebViewWebViewDelegate")) {
 356         class_addMethod($UIWebViewWebViewDelegate, @selector(webView:addMessageToConsole:), (IMP) &$UIWebViewWebViewDelegate$webView$addMessageToConsole$, "v16@0:4@8@12");
 357         class_addMethod($UIWebViewWebViewDelegate, @selector(webView:decidePolicyForNewWindowAction:request:newFrameName:decisionListener:), (IMP) &$UIWebViewWebViewDelegate$webView$decidePolicyForNewWindowAction$request$newFrameName$decisionListener$, "v28@0:4@8@12@16@20@24");
 358         class_addMethod($UIWebViewWebViewDelegate, @selector(webView:didClearWindowObject:forFrame:), (IMP) &$UIWebViewWebViewDelegate$webView$didClearWindowObject$forFrame$, "v20@0:4@8@12@16");
 359         class_addMethod($UIWebViewWebViewDelegate, @selector(webView:didReceiveTitle:forFrame:), (IMP) &$UIWebViewWebViewDelegate$webView$didReceiveTitle$forFrame$, "v20@0:4@8@12@16");
 360         class_addMethod($UIWebViewWebViewDelegate, @selector(webView:resource:willSendRequest:redirectResponse:fromDataSource:), (IMP) &$UIWebViewWebViewDelegate$webView$resource$willSendRequest$redirectResponse$fromDataSource$, "@28@0:4@8@12@16@20@24");
 361         class_addMethod($UIWebViewWebViewDelegate, @selector(webViewClose:), (IMP) &$UIWebViewWebViewDelegate$webViewClose$, "v12@0:4@8");
 362     }
 363 }
 364
 365 @end