X-Git-Url: https://git.saurik.com/winterboard.git/blobdiff_plain/09ea4166f344fa4ee00893a48ae7bd07022ea9f5..fd1c824a084fdf3fa140f907a0257d9478717552:/WBMarkup.mm

diff --git a/WBMarkup.mm b/WBMarkup.mm
index 73066d4..9918a28 100644
--- a/WBMarkup.mm
+++ b/WBMarkup.mm
@@ -1,14 +1,15 @@
 #include "WBMarkup.h"
 
+#include <substrate.h>
+
 @class WKView;
 
-extern "C" {
-    void WebThreadLock();
-    CGContextRef WKGetCurrentGraphicsContext();
-    void WKViewLockFocus(WKView *);
-    void WKViewUnlockFocus(WKView *);
-    void WKViewDisplayRect(WKView *, CGRect);
-}
+extern "C" void WebThreadLock();
+extern "C" CGContextRef WKGetCurrentGraphicsContext();
+
+static void (*WKViewLockFocus$)(WKView *);
+static void (*WKViewUnlockFocus$)(WKView *);
+static void (*WKViewDisplayRect$)(WKView *, CGRect);
 
 @interface DOMElement : NSObject
 - (void) setInnerHTML:(NSString *)value;
@@ -64,6 +65,20 @@ static WBMarkup *SharedMarkup_;
 
 @implementation WBMarkup
 
++ (void) initialize {
+    MSImageRef WebCore(MSGetImageByName("/System/Library/PrivateFrameworks/WebCore.framework/WebCore"));
+    MSHookSymbol(WKViewLockFocus$, "WKViewLockFocus", WebCore);
+    MSHookSymbol(WKViewUnlockFocus$, "WKViewUnlockFocus", WebCore);
+    MSHookSymbol(WKViewDisplayRect$, "WKViewDisplayRect", WebCore);
+
+    MSImageRef JavaScriptCore(MSGetImageByName("/System/Library/Frameworks/JavaScriptCore.framework/JavaScriptCore"));
+
+    void (*_ZN3JSC19initializeThreadingEv)();
+    MSHookSymbol(_ZN3JSC19initializeThreadingEv, "__ZN3JSC19initializeThreadingEv", JavaScriptCore);
+    if (_ZN3JSC19initializeThreadingEv != NULL)
+        (*_ZN3JSC19initializeThreadingEv)();
+}
+
 + (BOOL) isSharedMarkupCreated {
     return SharedMarkup_ != nil;
 }
@@ -117,9 +132,9 @@ static WBMarkup *SharedMarkup_;
             [view_ _drawRect:draw context:context_ lockFocus:YES];
         else {
             WKView *view([view_ _viewRef]);
-            WKViewLockFocus(view); {
-                WKViewDisplayRect(view, draw);
-            } WKViewUnlockFocus(view);
+            WKViewLockFocus$(view); {
+                WKViewDisplayRect$(view, draw);
+            } WKViewUnlockFocus$(view);
         }
     } CGContextRestoreGState(context_);
 }
@@ -136,7 +151,7 @@ static WBMarkup *SharedMarkup_;
     origin_ = CGPointZero;
 }
 
-- (CGSize) sizeOfMarkup:(NSString *)markup forWidth:(float)width {
+- (CGSize) sizeOfMarkup:(NSString *)markup forWidth:(CGFloat)width {
     WebThreadLock();
 
     if (![self _webPrepareContextForTextDrawing:NO])
@@ -153,7 +168,7 @@ static WBMarkup *SharedMarkup_;
     return [[view_ mainFrame] renderedSizeOfNode:text_ constrainedToWidth:width];
 }
 
-- (CGSize) sizeOfString:(NSString *)string withStyle:(NSString *)style forWidth:(float)width {
+- (CGSize) sizeOfString:(NSString *)string withStyle:(NSString *)style forWidth:(CGFloat)width {
     WebThreadLock();
 
     if (![self _webPrepareContextForTextDrawing:NO])
@@ -175,7 +190,7 @@ static WBMarkup *SharedMarkup_;
     return style;
 }
 
-- (void) _setupWithStyle:(NSString *)style width:(float)width height:(float)height {
+- (void) _setupWithStyle:(NSString *)style width:(CGFloat)width height:(CGFloat)height {
     WebThreadLock();
 
     if (style != nil && [style length] != 0)