From 79b42fd1b46eab09474ab4530e6959a52676b079 Mon Sep 17 00:00:00 2001
From: Grant Paul <chpwn@chpwn.com>
Date: Thu, 3 Feb 2011 15:40:19 -0800
Subject: Fix VoiceOver (at least on 4.x). Does not cause issues on other
 firmwares, since if the fix does not work it will just bail out (checks all
 methods, etc).

---
 MobileCydia.mm | 34 ++++++++++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)

(limited to 'MobileCydia.mm')

diff --git a/MobileCydia.mm b/MobileCydia.mm
index 5a5afed..ee88c00 100644
--- a/MobileCydia.mm
+++ b/MobileCydia.mm
@@ -9089,6 +9089,33 @@ MSHook(void, UIHardware$_playSystemSound$, Class self, SEL _cmd, int sound) {
     }
 }
 
+Class $UIApplication;
+
+MSHook(void, UIApplication$_updateApplicationAccessibility, UIApplication *self, SEL _cmd) {
+    static BOOL initialized = NO;
+    static BOOL started = NO;
+
+    NSDictionary *dict([[[NSDictionary alloc] initWithContentsOfFile:@"/var/mobile/Library/Preferences/com.apple.Accessibility.plist"] autorelease]);
+    BOOL enabled = [[dict objectForKey:@"VoiceOverTouchEnabled"] boolValue] || [[dict objectForKey:@"VoiceOverTouchEnabledByiTunes"] boolValue];
+
+    if ([self respondsToSelector:@selector(_accessibilityBundlePrincipalClass)]) {
+        id bundle = [self performSelector:@selector(_accessibilityBundlePrincipalClass)];
+        if (![bundle respondsToSelector:@selector(_accessibilityStopServer)]) return;
+        if (![bundle respondsToSelector:@selector(_accessibilityStartServer)]) return;
+
+        if (initialized && !enabled) {
+            initialized = NO;
+            [bundle performSelector:@selector(_accessibilityStopServer)];
+        } else if (enabled) {
+            initialized = YES;
+            if (!started) {
+                started = YES;
+                [bundle performSelector:@selector(_accessibilityStartServer)];
+            }
+        }
+    }
+}
+
 int main(int argc, char *argv[]) { _pooled
     _trace();
 
@@ -9116,6 +9143,13 @@ int main(int argc, char *argv[]) { _pooled
         _UIHardware$_playSystemSound$ = reinterpret_cast<void (*)(Class, SEL, int)>(method_getImplementation(UIHardware$_playSystemSound$));
         method_setImplementation(UIHardware$_playSystemSound$, reinterpret_cast<IMP>(&$UIHardware$_playSystemSound$));
     }
+
+    $UIApplication = objc_getClass("UIApplication");
+    Method UIApplication$_updateApplicationAccessibility(class_getInstanceMethod($UIApplication, @selector(_updateApplicationAccessibility)));
+    if (UIApplication$_updateApplicationAccessibility != NULL) {
+        _UIApplication$_updateApplicationAccessibility = reinterpret_cast<void (*)(UIApplication *, SEL)>(method_getImplementation(UIApplication$_updateApplicationAccessibility));
+        method_setImplementation(UIApplication$_updateApplicationAccessibility, reinterpret_cast<IMP>(&$UIApplication$_updateApplicationAccessibility));
+    }
     /* }}} */
     /* Set Locale {{{ */
     Locale_ = CFLocaleCopyCurrent();
-- 
cgit v1.2.3