Tweak.mm

   1 /* Cydget - open-source IntelliScreen replacement
   2  * Copyright (C) 2009  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/SBAwayWindow.h>
  46 #import <SpringBoard/SpringBoard.h>
  47
  48 MSClassHook(SpringBoard)
  49 MSClassHook(SBAwayController)
  50 MSClassHook(SBAwayView)
  51
  52 #define _trace() \
  53     NSLog(@"_trace(%s:%u)@%s %d", __FILE__, __LINE__, __FUNCTION__, active_)
  54 #define _not(type) \
  55     static_cast<type>(~type())
  56
  57 static bool menu_;
  58 static unsigned lock_;
  59
  60 static _H<NSArray> settings_;
  61 static _H<NSArray> cydgets_;
  62 static size_t active_;
  63
  64 @interface CydgetController : NSObject {
  65 }
  66
  67 + (NSDictionary *) currentConfiguration;
  68
  69 @end
  70
  71 @implementation CydgetController
  72
  73 + (NSDictionary *) currentConfiguration {
  74     return [[cydgets_ objectAtIndex:active_] objectForKey:@"Configuration"];
  75 }
  76
  77 @end
  78
  79 @interface NSDictionary (Cydgets)
  80 - (void) enableCydget:(SBAwayController *)away;
  81 - (void) disableCydget:(SBAwayController *)away;
  82 @end
  83
  84 @implementation NSDictionary (Cydgets)
  85
  86 - (void) enableCydget:(SBAwayController *)away {
  87     if (NSString *plugin = [self objectForKey:@"Plugin"])
  88         [away enableLockScreenBundleWithName:plugin];
  89 }
  90
  91 - (void) disableCydget:(SBAwayController *)away {
  92     if (NSString *plugin = [self objectForKey:@"Plugin"])
  93         [away disableLockScreenBundleWithName:plugin];
  94 }
  95
  96 @end
  97
  98 MSInstanceMessageHook0(BOOL, SBAwayController, handleMenuButtonTap) {
  99     unsigned lock(lock_);
 100
 101     if (!MSOldCall() && lock != 2) {
 102         [[cydgets_ objectAtIndex:active_] disableCydget:self];
 103         active_ = (active_ + 1) % [cydgets_ count];
 104         [[cydgets_ objectAtIndex:active_] enableCydget:self];
 105     }
 106
 107     return YES;
 108 }
 109
 110 MSInstanceMessageHook0(void, SBAwayController, _undimScreen) {
 111     if (lock_ == 1)
 112         lock_ = 2;
 113     [[cydgets_ objectAtIndex:active_] enableCydget:[$SBAwayController sharedAwayController]];
 114     MSOldCall();
 115 }
 116
 117 MSInstanceMessageHook0(void, SBAwayController, undimScreen) {
 118     lock_ = menu_ ? 1 : 0;
 119     MSOldCall();
 120 }
 121
 122 static void Deactivate_(SBAwayController *self) {
 123     [[cydgets_ objectAtIndex:active_] disableCydget:self];
 124     active_ = 0;
 125 }
 126
 127 MSInstanceMessageHook0(void, SBAwayController, finishedDimmingScreen) {
 128     Deactivate_(self);
 129     MSOldCall();
 130 }
 131
 132 MSInstanceMessageHook1(void, SpringBoard, menuButtonUp, GSEventRef, event) {
 133     menu_ = true;
 134     MSOldCall(event);
 135     menu_ = false;
 136 }
 137
 138 MSInstanceMessageHook1(void, SBAwayView, addGestureRecognizer, id, recognizer) {
 139     // MSOldCall(recognizer);
 140 }
 141
 142 #define Cydgets_ @"/System/Library/LockCydgets"
 143
 144 static void CydgetSetup() {
 145     NSString *plist([NSString stringWithFormat:@"%@/Library/Preferences/com.saurik.Cydget.plist", NSHomeDirectory()]);
 146     settings_ = [NSMutableDictionary dictionaryWithContentsOfFile:plist] ?: [NSMutableDictionary dictionary];
 147
 148     NSArray *cydgets([settings_ objectForKey:@"LockCydgets"] ?: [NSArray arrayWithObjects:[NSDictionary dictionaryWithObjectsAndKeys:
 149         @"AwayView", @"Name", [NSNumber numberWithBool:YES], @"Active", nil
 150     ], [NSDictionary dictionaryWithObjectsAndKeys:
 151         @"CydgetCentral", @"Name", [NSNumber numberWithBool:YES], @"Active", nil
 152     ], nil]);
 153
 154     cydgets_ = [NSMutableArray arrayWithCapacity:4];
 155     for (NSDictionary *cydget in cydgets)
 156         if ([[cydget objectForKey:@"Active"] boolValue])
 157             if (NSDictionary *info = [NSDictionary dictionaryWithContentsOfFile:[NSString stringWithFormat:@"%@/%@.cydget/Info.plist", Cydgets_, [cydget objectForKey:@"Name"]]])
 158                 [cydgets_ addObject:info];
 159 }
 160
 161 // XXX: this could happen while it is unlocked
 162 MSInstanceMessageHook1(id, SBAwayView, initWithFrame, CGRect, frame) {
 163     self = MSOldCall(frame);
 164     CydgetSetup();
 165     [[cydgets_ objectAtIndex:active_] enableCydget:[$SBAwayController sharedAwayController]];
 166     return self;
 167 }
 168
 169 MSInstanceMessageHook1(void, SBAwayController, _finishedUnlockAttemptWithStatus, BOOL, status) {
 170     if (status)
 171         Deactivate_(self);
 172     MSOldCall(status);
 173 }