X-Git-Url: https://git.saurik.com/cydia.git/blobdiff_plain/64ffa33263f912a9747b9716f04e9cdcb0b857a9..8511eb452e6188051960d2d96473a7810f85f5f2:/CyteKit/WebView.mm

diff --git a/CyteKit/WebView.mm b/CyteKit/WebView.mm
index 1329d4fb..9e0cbea8 100644
--- a/CyteKit/WebView.mm
+++ b/CyteKit/WebView.mm
@@ -1,46 +1,30 @@
 /* Cydia - iPhone UIKit Front-End for Debian APT
- * Copyright (C) 2008-2011  Jay Freeman (saurik)
+ * Copyright (C) 2008-2015  Jay Freeman (saurik)
 */
 
-/* Modified BSD License {{{ */
+/* GNU General Public License, Version 3 {{{ */
 /*
- *        Redistribution and use in source and binary
- * forms, with or without modification, are permitted
- * provided that the following conditions are met:
+ * Cydia is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published
+ * by the Free Software Foundation, either version 3 of the License,
+ * or (at your option) any later version.
  *
- * 1. Redistributions of source code must retain the
- *    above copyright notice, this list of conditions
- *    and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the
- *    above copyright notice, this list of conditions
- *    and the following disclaimer in the documentation
- *    and/or other materials provided with the
- *    distribution.
- * 3. The name of the author may not be used to endorse
- *    or promote products derived from this software
- *    without specific prior written permission.
+ * Cydia is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
  *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS''
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
- * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
- * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
- * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
- * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
- * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-*/
+ * You should have received a copy of the GNU General Public License
+ * along with Cydia.  If not, see <http://www.gnu.org/licenses/>.
+**/
 /* }}} */
 
+#include "CyteKit/UCPlatform.h"
+
 #include "CyteKit/dispatchEvent.h"
 #include "CyteKit/WebView.h"
 
-#include <CydiaSubstrate/CydiaSubstrate.h>
+#include "Substrate.hpp"
 
 #include "iPhonePrivate.h"
 
@@ -106,7 +90,8 @@
 @end
 // }}}
 
-@implementation CyteWebView : UIWebView
+@implementation CyteWebView : UIWebView {
+}
 
 #if ShowInternals
 #include "CyteKit/UCInternal.h"
@@ -118,6 +103,15 @@
 }
 
 - (void) dealloc {
+    if (kCFCoreFoundationVersionNumber < kCFCoreFoundationVersionNumber_iPhoneOS_3_0) {
+        UIWebViewInternal *&_internal(MSHookIvar<UIWebViewInternal *>(self, "_internal"));
+        if (&_internal != NULL) {
+            UIWebViewWebViewDelegate *&webViewDelegate(MSHookIvar<UIWebViewWebViewDelegate *>(_internal, "webViewDelegate"));
+            if (&webViewDelegate != NULL)
+                [webViewDelegate _clearUIWebView];
+        }
+    }
+
     [super dealloc];
 }
 
@@ -129,6 +123,10 @@
     return (id<CyteWebViewDelegate>) [super delegate];
 }
 
+- (void) setDelegate:(id<CyteWebViewDelegate>)delegate {
+    [super setDelegate:delegate];
+}
+
 /*- (WebView *) webView:(WebView *)view createWebViewWithRequest:(NSURLRequest *)request {
     id<CyteWebViewDelegate> delegate([self delegate]);
     WebView *created(nil);
@@ -162,7 +160,8 @@ static void $UIWebViewWebViewDelegate$webView$addMessageToConsole$(UIWebViewWebV
         [delegate webView:view decidePolicyForNavigationAction:action request:request frame:frame decisionListener:mediator];
     if (![mediator decided] && [UIWebView instancesRespondToSelector:@selector(webView:decidePolicyForNavigationAction:request:frame:decisionListener:)])
         [super webView:view decidePolicyForNavigationAction:action request:request frame:frame decisionListener:mediator];
-    [delegate webView:view didDecidePolicy:[mediator decision] forNavigationAction:action request:request frame:frame];
+    if ([delegate respondsToSelector:@selector(webView:didDecidePolicy:forNavigationAction:request:frame:)])
+        [delegate webView:view didDecidePolicy:[mediator decision] forNavigationAction:action request:request frame:frame];
     [mediator decide];
 }
 // }}}
@@ -264,6 +263,24 @@ static void $UIWebViewWebViewDelegate$webView$didReceiveTitle$forFrame$(UIWebVie
         [super webView:view didStartProvisionalLoadForFrame:frame];
 }
 // }}}
+// webView:resource:didCancelAuthenticationChallenge:fromDataSource: {{{
+- (void) webView:(WebView *)view resource:(id)identifier didCancelAuthenticationChallenge:(NSURLAuthenticationChallenge *)challenge fromDataSource:(WebDataSource *)source {
+    id<CyteWebViewDelegate> delegate([self delegate]);
+    if ([UIWebView respondsToSelector:@selector(webView:resource:didCancelAuthenticationChallenge:fromDataSource:)])
+        [super webView:view resource:identifier didCancelAuthenticationChallenge:challenge fromDataSource:source];
+    if ([delegate respondsToSelector:@selector(webView:resource:didCancelAuthenticationChallenge:fromDataSource:)])
+        [delegate webView:view resource:identifier didCancelAuthenticationChallenge:challenge fromDataSource:source];
+}
+// }}}
+// webView:resource:didReceiveAuthenticationChallenge:fromDataSource: {{{
+- (void) webView:(WebView *)view resource:(id)identifier didReceiveAuthenticationChallenge:(NSURLAuthenticationChallenge *)challenge fromDataSource:(WebDataSource *)source {
+    id<CyteWebViewDelegate> delegate([self delegate]);
+    if ([UIWebView respondsToSelector:@selector(webView:resource:didReceiveAuthenticationChallenge:fromDataSource:)])
+        [super webView:view resource:identifier didReceiveAuthenticationChallenge:challenge fromDataSource:source];
+    if ([delegate respondsToSelector:@selector(webView:resource:didReceiveAuthenticationChallenge:fromDataSource:)])
+        [delegate webView:view resource:identifier didReceiveAuthenticationChallenge:challenge fromDataSource:source];
+}
+// }}}
 // webView:resource:willSendRequest:redirectResponse:fromDataSource: (3.2+) {{{
 static NSURLRequest *$UIWebViewWebViewDelegate$webView$resource$willSendRequest$redirectResponse$fromDataSource$(UIWebViewWebViewDelegate *self, SEL sel, WebView *view, id identifier, NSURLRequest *request, NSURLResponse *response, WebDataSource *source) {
     UIWebView *uiWebView(MSHookIvar<UIWebView *>(self, "uiWebView"));
@@ -281,6 +298,16 @@ static NSURLRequest *$UIWebViewWebViewDelegate$webView$resource$willSendRequest$
     return request;
 }
 // }}}
+// webThreadWebView:resource:willSendRequest:redirectResponse:fromDataSource: {{{
+- (NSURLRequest *) webThreadWebView:(WebView *)view resource:(id)identifier willSendRequest:(NSURLRequest *)request redirectResponse:(NSURLResponse *)response fromDataSource:(WebDataSource *)source {
+    id<CyteWebViewDelegate> delegate([self delegate]);
+    if ([UIWebView instancesRespondToSelector:@selector(webThreadWebView:resource:willSendRequest:redirectResponse:fromDataSource:)])
+        request = [super webThreadWebView:view resource:identifier willSendRequest:request redirectResponse:response fromDataSource:source];
+    if ([delegate respondsToSelector:@selector(webThreadWebView:resource:willSendRequest:redirectResponse:fromDataSource:)])
+        request = [delegate webThreadWebView:view resource:identifier willSendRequest:request redirectResponse:response fromDataSource:source];
+    return request;
+}
+// }}}
 // webView:runJavaScriptAlertPanelWithMessage:initiatedByFrame: (2.1+) {{{
 - (void) webView:(WebView *)view runJavaScriptAlertPanelWithMessage:(NSString *)message initiatedByFrame:(WebFrame *)frame {
     [[self retain] autorelease];
@@ -351,8 +378,33 @@ static void $UIWebViewWebViewDelegate$webViewClose$(UIWebViewWebViewDelegate *se
     [[[self _documentView] webView] reloadFromOrigin:nil];
 }
 
+- (UIScrollView *) scrollView {
+    if ([self respondsToSelector:@selector(_scrollView)])
+        return [self _scrollView];
+    else if ([self respondsToSelector:@selector(_scroller)])
+        return (UIScrollView *) [self _scroller];
+    else return nil;
+}
+
+- (void) setNeedsLayout {
+    [super setNeedsLayout];
+
+    WebFrame *frame([[[self _documentView] webView] mainFrame]);
+    if ([frame respondsToSelector:@selector(setNeedsLayout)])
+        [frame setNeedsLayout];
+}
+
+- (NSURLRequest *) request {
+    WebFrame *frame([[[self _documentView] webView] mainFrame]);
+    return [([frame provisionalDataSource] ?: [frame dataSource]) request];
+}
+
 @end
 
+static void $UIWebViewWebViewDelegate$_clearUIWebView(UIWebViewWebViewDelegate *self, SEL sel) {
+    MSHookIvar<UIWebView *>(self, "uiWebView") = nil;
+}
+
 __attribute__((__constructor__)) static void $() {
     if (Class $UIWebViewWebViewDelegate = objc_getClass("UIWebViewWebViewDelegate")) {
         class_addMethod($UIWebViewWebViewDelegate, @selector(webView:addMessageToConsole:), (IMP) &$UIWebViewWebViewDelegate$webView$addMessageToConsole$, "v16@0:4@8@12");
@@ -362,5 +414,32 @@ __attribute__((__constructor__)) static void $() {
         class_addMethod($UIWebViewWebViewDelegate, @selector(webView:didReceiveTitle:forFrame:), (IMP) &$UIWebViewWebViewDelegate$webView$didReceiveTitle$forFrame$, "v20@0:4@8@12@16");
         class_addMethod($UIWebViewWebViewDelegate, @selector(webView:resource:willSendRequest:redirectResponse:fromDataSource:), (IMP) &$UIWebViewWebViewDelegate$webView$resource$willSendRequest$redirectResponse$fromDataSource$, "@28@0:4@8@12@16@20@24");
         class_addMethod($UIWebViewWebViewDelegate, @selector(webViewClose:), (IMP) &$UIWebViewWebViewDelegate$webViewClose$, "v12@0:4@8");
+        class_addMethod($UIWebViewWebViewDelegate, @selector(_clearUIWebView), (IMP) &$UIWebViewWebViewDelegate$_clearUIWebView, "v8@0:4");
     }
 }
+
+@implementation UIWebDocumentView (Cydia)
+
+- (void) _setScrollerOffset:(CGPoint)offset {
+    UIScroller *scroller([self _scroller]);
+
+    CGSize size([scroller contentSize]);
+    CGSize bounds([scroller bounds].size);
+
+    CGPoint max;
+    max.x = size.width - bounds.width;
+    max.y = size.height - bounds.height;
+
+    // wtf Apple?!
+    if (max.x < 0)
+        max.x = 0;
+    if (max.y < 0)
+        max.y = 0;
+
+    offset.x = offset.x < 0 ? 0 : offset.x > max.x ? max.x : offset.x;
+    offset.y = offset.y < 0 ? 0 : offset.y > max.y ? max.y : offset.y;
+
+    [scroller setOffset:offset];
+}
+
+@end