CyteKit/CyteWebView.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/CyteWebView.h"
  41
  42 #include <CydiaSubstrate/CydiaSubstrate.h>
  43
  44 #include "iPhonePrivate.h"
  45
  46 // CYWebPolicyDecision* {{{
  47 enum CYWebPolicyDecision {
  48     CYWebPolicyDecisionUnknown,
  49     CYWebPolicyDecisionDownload,
  50     CYWebPolicyDecisionIgnore,
  51     CYWebPolicyDecisionUse,
  52 };
  53
  54 @interface CYWebPolicyDecisionMediator : NSObject <
  55     WebPolicyDecisionListener
  56 > {
  57     id<WebPolicyDecisionListener> listener_;
  58     CYWebPolicyDecision decision_;
  59 }
  60
  61 - (id) initWithListener:(id<WebPolicyDecisionListener>)listener;
  62
  63 - (CYWebPolicyDecision) decision;
  64 - (bool) decided;
  65 - (bool) decide;
  66
  67 @end
  68
  69 @implementation CYWebPolicyDecisionMediator
  70
  71 - (id) initWithListener:(id<WebPolicyDecisionListener>)listener {
  72     if ((self = [super init]) != nil) {
  73         listener_ = listener;
  74     } return self;
  75 }
  76
  77 - (CYWebPolicyDecision) decision {
  78     return decision_;
  79 }
  80
  81 - (bool) decided {
  82     return decision_ != CYWebPolicyDecisionUnknown;
  83 }
  84
  85 - (bool) decide {
  86     switch (decision_) {
  87         case CYWebPolicyDecisionUnknown:
  88         default:
  89             NSLog(@"CYWebPolicyDecisionUnknown");
  90             return false;
  91
  92         case CYWebPolicyDecisionDownload: [listener_ download]; break;
  93         case CYWebPolicyDecisionIgnore: [listener_ ignore]; break;
  94         case CYWebPolicyDecisionUse: [listener_ use]; break;
  95     }
  96
  97     return true;
  98 }
  99
 100 - (void) download {
 101     decision_ = CYWebPolicyDecisionDownload;
 102 }
 103
 104 - (void) ignore {
 105     decision_ = CYWebPolicyDecisionIgnore;
 106 }
 107
 108 - (void) use {
 109     decision_ = CYWebPolicyDecisionUse;
 110 }
 111
 112 @end
 113 // }}}
 114
 115 @implementation CYWebView : UIWebView
 116
 117 #if ShowInternals
 118 #include "CyteKit/UCInternal.h"
 119 #endif
 120
 121 - (id) initWithFrame:(CGRect)frame {
 122     if ((self = [super initWithFrame:frame]) != nil) {
 123     } return self;
 124 }
 125
 126 - (void) dealloc {
 127     [super dealloc];
 128 }
 129
 130 - (id<CYWebViewDelegate>) delegate {
 131     return (id<CYWebViewDelegate>) [super delegate];
 132 }
 133
 134 /*- (WebView *) webView:(WebView *)view createWebViewWithRequest:(NSURLRequest *)request {
 135     id<CYWebViewDelegate> delegate([self delegate]);
 136     WebView *created(nil);
 137     if (created == nil && [delegate respondsToSelector:@selector(webView:createWebViewWithRequest:)])
 138         created = [delegate webView:view createWebViewWithRequest:request];
 139     if (created == nil && [UIWebView instancesRespondToSelector:@selector(webView:createWebViewWithRequest:)])
 140         created = [super webView:view createWebViewWithRequest:request];
 141     return created;
 142 }*/
 143
 144 // webView:addMessageToConsole: (X.Xx) {{{
 145 static void $UIWebViewWebViewDelegate$webView$addMessageToConsole$(UIWebViewWebViewDelegate *self, SEL sel, WebView *view, NSDictionary *message) {
 146     UIWebView *uiWebView(MSHookIvar<UIWebView *>(self, "uiWebView"));
 147     if ([uiWebView respondsToSelector:@selector(webView:addMessageToConsole:)])
 148         [uiWebView webView:view addMessageToConsole:message];
 149 }
 150
 151 - (void) webView:(WebView *)view addMessageToConsole:(NSDictionary *)message {
 152     id<CYWebViewDelegate> delegate([self delegate]);
 153     if ([delegate respondsToSelector:@selector(webView:addMessageToConsole:)])
 154         [delegate webView:view addMessageToConsole:message];
 155     if ([UIWebView instancesRespondToSelector:@selector(webView:addMessageToConsole:)])
 156         [super webView:view addMessageToConsole:message];
 157 }
 158 // }}}
 159 // webView:decidePolicyForNavigationAction:request:frame:decisionListener: (2.0+) {{{
 160 - (void) webView:(WebView *)view decidePolicyForNavigationAction:(NSDictionary *)action request:(NSURLRequest *)request frame:(WebFrame *)frame decisionListener:(id<WebPolicyDecisionListener>)listener {
 161     id<CYWebViewDelegate> delegate([self delegate]);
 162     CYWebPolicyDecisionMediator *mediator([[[CYWebPolicyDecisionMediator alloc] initWithListener:listener] autorelease]);
 163     if (![mediator decided] && [delegate respondsToSelector:@selector(webView:decidePolicyForNavigationAction:request:frame:decisionListener:)])
 164         [delegate webView:view decidePolicyForNavigationAction:action request:request frame:frame decisionListener:mediator];
 165     if (![mediator decided] && [UIWebView instancesRespondToSelector:@selector(webView:decidePolicyForNavigationAction:request:frame:decisionListener:)])
 166         [super webView:view decidePolicyForNavigationAction:action request:request frame:frame decisionListener:mediator];
 167     [mediator decide];
 168 }
 169 // }}}
 170 // webView:decidePolicyForNewWindowAction:request:newFrameName:decisionListener: (3.0+) {{{
 171 static void $UIWebViewWebViewDelegate$webView$decidePolicyForNewWindowAction$request$newFrameName$decisionListener$(UIWebViewWebViewDelegate *self, SEL sel, WebView *view, NSDictionary *action, NSURLRequest *request, NSString *frame, id<WebPolicyDecisionListener> listener) {
 172     UIWebView *uiWebView(MSHookIvar<UIWebView *>(self, "uiWebView"));
 173     if ([uiWebView respondsToSelector:@selector(webView:decidePolicyForNewWindowAction:request:newFrameName:decisionListener:)])
 174         [uiWebView webView:view decidePolicyForNewWindowAction:action request:request newFrameName:frame decisionListener:listener];
 175 }
 176
 177 - (void) webView:(WebView *)view decidePolicyForNewWindowAction:(NSDictionary *)action request:(NSURLRequest *)request newFrameName:(NSString *)frame decisionListener:(id<WebPolicyDecisionListener>)listener {
 178     id<CYWebViewDelegate> delegate([self delegate]);
 179     CYWebPolicyDecisionMediator *mediator([[[CYWebPolicyDecisionMediator alloc] initWithListener:listener] autorelease]);
 180     if (![mediator decided] && [delegate respondsToSelector:@selector(webView:decidePolicyForNewWindowAction:request:newFrameName:decisionListener:)])
 181         [delegate webView:view decidePolicyForNewWindowAction:action request:request newFrameName:frame decisionListener:mediator];
 182     if (![mediator decided] && [UIWebView instancesRespondToSelector:@selector(webView:decidePolicyForNewWindowAction:request:newFrameName:decisionListener:)])
 183         [super webView:view decidePolicyForNewWindowAction:action request:request newFrameName:frame decisionListener:mediator];
 184     [mediator decide];
 185 }
 186 // }}}
 187 // webView:didClearWindowObject:forFrame: (3.2+) {{{
 188 static void $UIWebViewWebViewDelegate$webView$didClearWindowObject$forFrame$(UIWebViewWebViewDelegate *self, SEL sel, WebView *view, WebScriptObject *window, WebFrame *frame) {
 189     UIWebView *uiWebView(MSHookIvar<UIWebView *>(self, "uiWebView"));
 190     if ([uiWebView respondsToSelector:@selector(webView:didClearWindowObject:forFrame:)])
 191         [uiWebView webView:view didClearWindowObject:window forFrame:frame];
 192 }
 193
 194 - (void) webView:(WebView *)view didClearWindowObject:(WebScriptObject *)window forFrame:(WebFrame *)frame {
 195     id<CYWebViewDelegate> delegate([self delegate]);
 196     if ([delegate respondsToSelector:@selector(webView:didClearWindowObject:forFrame:)])
 197         [delegate webView:view didClearWindowObject:window forFrame:frame];
 198     if ([UIWebView instancesRespondToSelector:@selector(webView:didClearWindowObject:forFrame:)])
 199         [super webView:view didClearWindowObject:window forFrame:frame];
 200 }
 201 // }}}
 202 // webView:didFailLoadWithError:forFrame: (2.0+) {{{
 203 - (void) webView:(WebView *)view didFailLoadWithError:(NSError *)error forFrame:(WebFrame *)frame {
 204     id<CYWebViewDelegate> delegate([self delegate]);
 205     if ([delegate respondsToSelector:@selector(webView:didFailLoadWithError:forFrame:)])
 206         [delegate webView:view didFailLoadWithError:error forFrame:frame];
 207     if ([UIWebView instancesRespondToSelector:@selector(webView:didFailLoadWithError:forFrame:)])
 208         [super webView:view didFailLoadWithError:error forFrame:frame];
 209 }
 210 // }}}
 211 // webView:didFailProvisionalLoadWithError:forFrame: (2.0+) {{{
 212 - (void) webView:(WebView *)view didFailProvisionalLoadWithError:(NSError *)error forFrame:(WebFrame *)frame {
 213     id<CYWebViewDelegate> delegate([self delegate]);
 214     if ([delegate respondsToSelector:@selector(webView:didFailProvisionalLoadWithError:forFrame:)])
 215         [delegate webView:view didFailProvisionalLoadWithError:error forFrame:frame];
 216     if ([UIWebView instancesRespondToSelector:@selector(webView:didFailProvisionalLoadWithError:forFrame:)])
 217         [super webView:view didFailProvisionalLoadWithError:error forFrame:frame];
 218 }
 219 // }}}
 220 // webView:didFinishLoadForFrame: (2.0+) {{{
 221 - (void) webView:(WebView *)view didFinishLoadForFrame:(WebFrame *)frame {
 222     id<CYWebViewDelegate> delegate([self delegate]);
 223     if ([delegate respondsToSelector:@selector(webView:didFinishLoadForFrame:)])
 224         [delegate webView:view didFinishLoadForFrame:frame];
 225     if ([UIWebView instancesRespondToSelector:@selector(webView:didFinishLoadForFrame:)])
 226         [super webView:view didFinishLoadForFrame:frame];
 227 }
 228 // }}}
 229 // webView:didReceiveTitle:forFrame: (3.2+) {{{
 230 static void $UIWebViewWebViewDelegate$webView$didReceiveTitle$forFrame$(UIWebViewWebViewDelegate *self, SEL sel, WebView *view, NSString *title, WebFrame *frame) {
 231     UIWebView *uiWebView(MSHookIvar<UIWebView *>(self, "uiWebView"));
 232     if ([uiWebView respondsToSelector:@selector(webView:didReceiveTitle:forFrame:)])
 233         [uiWebView webView:view didReceiveTitle:title forFrame:frame];
 234 }
 235
 236 - (void) webView:(WebView *)view didReceiveTitle:(NSString *)title forFrame:(WebFrame *)frame {
 237     id<CYWebViewDelegate> delegate([self delegate]);
 238     if ([delegate respondsToSelector:@selector(webView:didReceiveTitle:forFrame:)])
 239         [delegate webView:view didReceiveTitle:title forFrame:frame];
 240     if ([UIWebView instancesRespondToSelector:@selector(webView:didReceiveTitle:forFrame:)])
 241         [super webView:view didReceiveTitle:title forFrame:frame];
 242 }
 243 // }}}
 244 // webView:didStartProvisionalLoadForFrame: (2.0+) {{{
 245 - (void) webView:(WebView *)view didStartProvisionalLoadForFrame:(WebFrame *)frame {
 246     id<CYWebViewDelegate> delegate([self delegate]);
 247     if ([delegate respondsToSelector:@selector(webView:didStartProvisionalLoadForFrame:)])
 248         [delegate webView:view didStartProvisionalLoadForFrame:frame];
 249     if ([UIWebView instancesRespondToSelector:@selector(webView:didStartProvisionalLoadForFrame:)])
 250         [super webView:view didStartProvisionalLoadForFrame:frame];
 251 }
 252 // }}}
 253 // webView:resource:willSendRequest:redirectResponse:fromDataSource: (3.2+) {{{
 254 static NSURLRequest *$UIWebViewWebViewDelegate$webView$resource$willSendRequest$redirectResponse$fromDataSource$(UIWebViewWebViewDelegate *self, SEL sel, WebView *view, id identifier, NSURLRequest *request, NSURLResponse *response, WebDataSource *source) {
 255     UIWebView *uiWebView(MSHookIvar<UIWebView *>(self, "uiWebView"));
 256     if ([uiWebView respondsToSelector:@selector(webView:resource:willSendRequest:redirectResponse:fromDataSource:)])
 257         request = [uiWebView webView:view resource:identifier willSendRequest:request redirectResponse:response fromDataSource:source];
 258     return request;
 259 }
 260
 261 - (NSURLRequest *) webView:(WebView *)view resource:(id)identifier willSendRequest:(NSURLRequest *)request redirectResponse:(NSURLResponse *)response fromDataSource:(WebDataSource *)source {
 262     id<CYWebViewDelegate> delegate([self delegate]);
 263     if ([UIWebView instancesRespondToSelector:@selector(webView:resource:willSendRequest:redirectResponse:fromDataSource:)])
 264         request = [super webView:view resource:identifier willSendRequest:request redirectResponse:response fromDataSource:source];
 265     if ([delegate respondsToSelector:@selector(webView:resource:willSendRequest:redirectResponse:fromDataSource:)])
 266         request = [delegate webView:view resource:identifier willSendRequest:request redirectResponse:response fromDataSource:source];
 267     return request;
 268 }
 269 // }}}
 270 // webView:runJavaScriptAlertPanelWithMessage:initiatedByFrame: (2.1+) {{{
 271 - (void) webView:(WebView *)view runJavaScriptAlertPanelWithMessage:(NSString *)message initiatedByFrame:(WebFrame *)frame {
 272     id<CYWebViewDelegate> delegate([self delegate]);
 273     if ([UIWebView instancesRespondToSelector:@selector(webView:runJavaScriptAlertPanelWithMessage:initiatedByFrame:)])
 274         if (
 275             ![delegate respondsToSelector:@selector(webView:shouldRunJavaScriptAlertPanelWithMessage:initiatedByFrame:)] ||
 276             [delegate webView:view shouldRunJavaScriptAlertPanelWithMessage:message initiatedByFrame:frame]
 277         )
 278             [super webView:view runJavaScriptAlertPanelWithMessage:message initiatedByFrame:frame];
 279 }
 280 // }}}
 281 // webView:runJavaScriptConfirmPanelWithMessage:initiatedByFrame: (2.1+) {{{
 282 - (BOOL) webView:(WebView *)view runJavaScriptConfirmPanelWithMessage:(NSString *)message initiatedByFrame:(WebFrame *)frame {
 283     id<CYWebViewDelegate> delegate([self delegate]);
 284     if ([UIWebView instancesRespondToSelector:@selector(webView:runJavaScriptConfirmPanelWithMessage:initiatedByFrame:)])
 285         if (
 286             ![delegate respondsToSelector:@selector(webView:shouldRunJavaScriptConfirmPanelWithMessage:initiatedByFrame:)] ||
 287             [delegate webView:view shouldRunJavaScriptConfirmPanelWithMessage:message initiatedByFrame:frame]
 288         )
 289             return [super webView:view runJavaScriptConfirmPanelWithMessage:message initiatedByFrame:frame];
 290     return NO;
 291 }
 292 // }}}
 293 // webView:runJavaScriptTextInputPanelWithPrompt:defaultText:initiatedByFrame: (2.1+) {{{
 294 - (NSString *) webView:(WebView *)view runJavaScriptTextInputPanelWithPrompt:(NSString *)prompt defaultText:(NSString *)text initiatedByFrame:(WebFrame *)frame {
 295     id<CYWebViewDelegate> delegate([self delegate]);
 296     if ([UIWebView instancesRespondToSelector:@selector(webView:runJavaScriptTextInputPanelWithPrompt:defaultText:initiatedByFrame:)])
 297         if (
 298             ![delegate respondsToSelector:@selector(webView:shouldRunJavaScriptTextInputPanelWithPrompt:defaultText:initiatedByFrame:)] ||
 299             [delegate webView:view shouldRunJavaScriptTextInputPanelWithPrompt:prompt defaultText:text initiatedByFrame:frame]
 300         )
 301             return [super webView:view runJavaScriptTextInputPanelWithPrompt:prompt defaultText:text initiatedByFrame:frame];
 302     return nil;
 303 }
 304 // }}}
 305 // webViewClose: (3.2+) {{{
 306 static void $UIWebViewWebViewDelegate$webViewClose$(UIWebViewWebViewDelegate *self, SEL sel, WebView *view) {
 307     UIWebView *uiWebView(MSHookIvar<UIWebView *>(self, "uiWebView"));
 308     if ([uiWebView respondsToSelector:@selector(webViewClose:)])
 309         [uiWebView webViewClose:view];
 310 }
 311
 312 - (void) webViewClose:(WebView *)view {
 313     id<CYWebViewDelegate> delegate([self delegate]);
 314     if ([delegate respondsToSelector:@selector(webViewClose:)])
 315         [delegate webViewClose:view];
 316     if ([UIWebView instancesRespondToSelector:@selector(webViewClose:)])
 317         [super webViewClose:view];
 318 }
 319 // }}}
 320
 321 - (void) _updateViewSettings {
 322     [super _updateViewSettings];
 323
 324     id<CYWebViewDelegate> delegate([self delegate]);
 325     if ([delegate respondsToSelector:@selector(webViewUpdateViewSettings:)])
 326         [delegate webViewUpdateViewSettings:self];
 327 }
 328
 329 + (void) initialize {
 330     if (Class $UIWebViewWebViewDelegate = objc_getClass("UIWebViewWebViewDelegate")) {
 331         class_addMethod($UIWebViewWebViewDelegate, @selector(webView:addMessageToConsole:), (IMP) &$UIWebViewWebViewDelegate$webView$addMessageToConsole$, "v16@0:4@8@12");
 332         class_addMethod($UIWebViewWebViewDelegate, @selector(webView:decidePolicyForNewWindowAction:request:newFrameName:decisionListener:), (IMP) &$UIWebViewWebViewDelegate$webView$decidePolicyForNewWindowAction$request$newFrameName$decisionListener$, "v28@0:4@8@12@16@20@24");
 333         class_addMethod($UIWebViewWebViewDelegate, @selector(webView:didClearWindowObject:forFrame:), (IMP) &$UIWebViewWebViewDelegate$webView$didClearWindowObject$forFrame$, "v20@0:4@8@12@16");
 334         class_addMethod($UIWebViewWebViewDelegate, @selector(webView:didReceiveTitle:forFrame:), (IMP) &$UIWebViewWebViewDelegate$webView$didReceiveTitle$forFrame$, "v20@0:4@8@12@16");
 335         class_addMethod($UIWebViewWebViewDelegate, @selector(webView:resource:willSendRequest:redirectResponse:fromDataSource:), (IMP) &$UIWebViewWebViewDelegate$webView$resource$willSendRequest$redirectResponse$fromDataSource$, "@28@0:4@8@12@16@20@24");
 336         class_addMethod($UIWebViewWebViewDelegate, @selector(webViewClose:), (IMP) &$UIWebViewWebViewDelegate$webViewClose$, "v12@0:4@8");
 337     }
 338 }
 339
 340 @end