Tweak.mm

   1 /* Cydget - open-source AwayView plugin multiplexer
   2  * Copyright (C) 2009-2011  Jay Freeman (saurik)
   3 */
   4
   5 /*
   6  *        Redistribution and use in source and binary
   7  * forms, with or without modification, are permitted
   8  * provided that the following conditions are met:
   9  *
  10  * 1. Redistributions of source code must retain the
  11  *    above copyright notice, this list of conditions
  12  *    and the following disclaimer.
  13  * 2. Redistributions in binary form must reproduce the
  14  *    above copyright notice, this list of conditions
  15  *    and the following disclaimer in the documentation
  16  *    and/or other materials provided with the
  17  *    distribution.
  18  * 3. The name of the author may not be used to endorse
  19  *    or promote products derived from this software
  20  *    without specific prior written permission.
  21  *
  22  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS''
  23  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
  24  * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
  25  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  26  * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE
  27  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  28  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  29  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  30  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  31  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
  32  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
  33  * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
  34  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
  35  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  36 */
  37
  38 #include <substrate.h>
  39
  40 #include <Foundation/Foundation.h>
  41 #include <GraphicsServices/GraphicsServices.h>
  42 #include <UIKit/UIKit.h>
  43
  44 #import <SpringBoard/SBAwayController.h>
  45 #import <SpringBoard/SBAwayView.h>
  46 #import <SpringBoard/SBAwayWindow.h>
  47 #import <SpringBoard/SpringBoard.h>
  48
  49 MSClassHook(SpringBoard)
  50 MSClassHook(SBAwayController)
  51 MSClassHook(SBAwayView)
  52 MSClassHook(SBAwayWindow)
  53
  54 #define _trace() \
  55     NSLog(@"_trace(%s:%u)@%s %d", __FILE__, __LINE__, __FUNCTION__, active_)
  56 #define _not(type) \
  57     static_cast<type>(~type())
  58
  59 static bool menu_;
  60
  61 static _H<NSArray> settings_;
  62 static _H<NSArray> cydgets_;
  63 static size_t active_;
  64 static unsigned online_;
  65
  66 @interface CydgetController : NSObject {
  67 }
  68
  69 + (NSDictionary *) currentConfiguration;
  70
  71 @end
  72
  73 @implementation CydgetController
  74
  75 + (NSDictionary *) currentConfiguration {
  76     NSDictionary *cydget([cydgets_ objectAtIndex:active_]);
  77     return [cydget objectForKey:@"CYConfiguration"] ?: [cydget objectForKey:@"Configuration"];
  78 }
  79
  80 @end
  81
  82 @interface NSDictionary (Cydgets)
  83 - (void) enableCydget:(SBAwayController *)away;
  84 - (void) disableCydget:(SBAwayController *)away;
  85 @end
  86
  87 @interface UIPeripheralHost : NSObject
  88 + (UIPeripheralHost *) sharedInstance;
  89 + (void) _releaseSharedInstance;
  90 - (void) createAutomaticKeyboardIfNeeded;
  91 @end
  92
  93 MSClassHook(UIPeripheralHost)
  94
  95 @interface UITextEffectsWindow : UIWindow
  96 + (UIWindow *) sharedTextEffectsWindow;
  97 @end
  98
  99 @implementation NSDictionary (Cydgets)
 100
 101 - (void) enableCydget:(SBAwayController *)away {
 102     if (NSString *plugin = [self objectForKey:@"CYPlugin"] ?: [self objectForKey:@"Plugin"]) {
 103         UIKeyboardEnableAutomaticAppearance();
 104         [[$UIPeripheralHost sharedInstance] createAutomaticKeyboardIfNeeded];
 105         [[UITextEffectsWindow sharedTextEffectsWindow] setWindowLevel:1000];
 106
 107         [away enableLockScreenBundleWithName:plugin];
 108         ++online_;
 109     }
 110 }
 111
 112 - (void) disableCydget:(SBAwayController *)away {
 113     if (NSString *plugin = [self objectForKey:@"CYPlugin"] ?: [self objectForKey:@"Plugin"]) {
 114         --online_;
 115         [away disableLockScreenBundleWithName:plugin];
 116
 117         [$UIPeripheralHost _releaseSharedInstance];
 118         UIKeyboardDisableAutomaticAppearance();
 119     }
 120 }
 121
 122 @end
 123
 124 MSInstanceMessageHook1(void, SpringBoard, handleKeyEvent, GSEventRef, event) {
 125     MSSuperCall(event);
 126 }
 127
 128 MSInstanceMessageHook0(BOOL, SBAwayController, handleMenuButtonTap) {
 129     if (!MSOldCall() && menu_) {
 130         [[cydgets_ objectAtIndex:active_] disableCydget:self];
 131         active_ = (active_ + 1) % [cydgets_ count];
 132         [[cydgets_ objectAtIndex:active_] enableCydget:self];
 133     }
 134
 135     return YES;
 136 }
 137
 138 MSInstanceMessageHook0(void, SBAwayController, _undimScreen) {
 139     menu_ = false;
 140     [[cydgets_ objectAtIndex:active_] enableCydget:[$SBAwayController sharedAwayController]];
 141     MSOldCall();
 142 }
 143
 144 static void Deactivate_(SBAwayController *self) {
 145     [[cydgets_ objectAtIndex:active_] disableCydget:self];
 146     active_ = 0;
 147 }
 148
 149 MSInstanceMessageHook1(void, SBAwayController, dimScreen, BOOL, dim) {
 150     Deactivate_([$SBAwayController sharedAwayController]);
 151     MSOldCall(dim);
 152 }
 153
 154 MSInstanceMessageHook1(void, SpringBoard, menuButtonUp, GSEventRef, event) {
 155     menu_ = true;
 156     MSOldCall(event);
 157 }
 158
 159 MSInstanceMessageHook1(void, SBAwayView, addGestureRecognizer, id, recognizer) {
 160     // MSOldCall(recognizer);
 161 }
 162
 163 MSInstanceMessageHook1(void, SBAwayWindow, sendGSEvent, GSEventRef, event) {
 164     if (online_ != 0)
 165         MSSuperCall(event);
 166     else
 167         MSOldCall(event);
 168 }
 169
 170 #define Cydgets_ @"/System/Library/LockCydgets"
 171
 172 static void CydgetSetup() {
 173     NSString *plist([NSString stringWithFormat:@"%@/Library/Preferences/com.saurik.Cydget.plist", NSHomeDirectory()]);
 174     settings_ = [NSMutableDictionary dictionaryWithContentsOfFile:plist] ?: [NSMutableDictionary dictionary];
 175
 176     NSArray *cydgets([settings_ objectForKey:@"LockCydgets"] ?: [NSArray arrayWithObjects:[NSDictionary dictionaryWithObjectsAndKeys:
 177         @"Welcome", @"Name", [NSNumber numberWithBool:YES], @"Active", nil
 178     ], [NSDictionary dictionaryWithObjectsAndKeys:
 179         @"AwayView", @"Name", [NSNumber numberWithBool:YES], @"Active", nil
 180     ], nil]);
 181
 182     cydgets_ = [NSMutableArray arrayWithCapacity:4];
 183     for (NSDictionary *cydget in cydgets)
 184         if ([[cydget objectForKey:@"Active"] boolValue])
 185             if (NSDictionary *info = [NSDictionary dictionaryWithContentsOfFile:[NSString stringWithFormat:@"%@/%@.cydget/Info.plist", Cydgets_, [cydget objectForKey:@"Name"]]])
 186                 [cydgets_ addObject:info];
 187
 188     if ([cydgets_ count] == 0)
 189         cydgets_ = nil;
 190 }
 191
 192 // XXX: this could happen while it is unlocked
 193 MSInstanceMessageHook1(id, SBAwayView, initWithFrame, CGRect, frame) {
 194     self = MSOldCall(frame);
 195     CydgetSetup();
 196     [[cydgets_ objectAtIndex:active_] enableCydget:[$SBAwayController sharedAwayController]];
 197     return self;
 198 }
 199
 200 MSInstanceMessageHook1(void, SBAwayController, _finishedUnlockAttemptWithStatus, BOOL, status) {
 201     if (status)
 202         Deactivate_(self);
 203     MSOldCall(status);
 204 }
 205
 206 MSInstanceMessageHook0(void, SBAwayView, updateInterface) {
 207     MSOldCall();
 208
 209     NSDictionary *cydget([cydgets_ objectAtIndex:active_]);
 210
 211     NSString *background([cydget objectForKey:@"CYBackground"]);
 212     if ([background isEqualToString:@"Wallpaper"]) {
 213         MSIvarHook(UIView *, _backgroundView);
 214         [_backgroundView setAlpha:1.0f];
 215     }
 216
 217     if ([[cydget objectForKey:@"CYShowDateTime"] boolValue])
 218         [self addDateView];
 219 }