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/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 @implementation NSDictionary (Cydgets)
  88
  89 - (void) enableCydget:(SBAwayController *)away {
  90     if (NSString *plugin = [self objectForKey:@"CYPlugin"] ?: [self objectForKey:@"Plugin"]) {
  91         [away enableLockScreenBundleWithName:plugin];
  92         ++online_;
  93     }
  94 }
  95
  96 - (void) disableCydget:(SBAwayController *)away {
  97     if (NSString *plugin = [self objectForKey:@"CYPlugin"] ?: [self objectForKey:@"Plugin"]) {
  98         [away disableLockScreenBundleWithName:plugin];
  99         --online_;
 100     }
 101 }
 102
 103 @end
 104
 105 MSInstanceMessageHook0(BOOL, SBAwayController, handleMenuButtonTap) {
 106     if (!MSOldCall() && menu_) {
 107         [[cydgets_ objectAtIndex:active_] disableCydget:self];
 108         active_ = (active_ + 1) % [cydgets_ count];
 109         [[cydgets_ objectAtIndex:active_] enableCydget:self];
 110     }
 111
 112     return YES;
 113 }
 114
 115 MSInstanceMessageHook0(void, SBAwayController, _undimScreen) {
 116     menu_ = false;
 117     [[cydgets_ objectAtIndex:active_] enableCydget:[$SBAwayController sharedAwayController]];
 118     MSOldCall();
 119 }
 120
 121 static void Deactivate_(SBAwayController *self) {
 122     [[cydgets_ objectAtIndex:active_] disableCydget:self];
 123     active_ = 0;
 124 }
 125
 126 MSInstanceMessageHook1(void, SBAwayController, dimScreen, BOOL, dim) {
 127     Deactivate_([$SBAwayController sharedAwayController]);
 128     MSOldCall(dim);
 129 }
 130
 131 MSInstanceMessageHook1(void, SpringBoard, menuButtonUp, GSEventRef, event) {
 132     menu_ = true;
 133     MSOldCall(event);
 134 }
 135
 136 MSInstanceMessageHook1(void, SBAwayView, addGestureRecognizer, id, recognizer) {
 137     // MSOldCall(recognizer);
 138 }
 139
 140 MSInstanceMessageHook1(void, SBAwayWindow, sendGSEvent, GSEventRef, event) {
 141     if (online_ != 0)
 142         MSSuperCall(event);
 143     else
 144         MSOldCall(event);
 145 }
 146
 147 #define Cydgets_ @"/System/Library/LockCydgets"
 148
 149 static void CydgetSetup() {
 150     NSString *plist([NSString stringWithFormat:@"%@/Library/Preferences/com.saurik.Cydget.plist", NSHomeDirectory()]);
 151     settings_ = [NSMutableDictionary dictionaryWithContentsOfFile:plist] ?: [NSMutableDictionary dictionary];
 152
 153     NSArray *cydgets([settings_ objectForKey:@"LockCydgets"] ?: [NSArray arrayWithObjects:[NSDictionary dictionaryWithObjectsAndKeys:
 154         @"Welcome", @"Name", [NSNumber numberWithBool:YES], @"Active", nil
 155     ], [NSDictionary dictionaryWithObjectsAndKeys:
 156         @"AwayView", @"Name", [NSNumber numberWithBool:YES], @"Active", nil
 157     ], nil]);
 158
 159     cydgets_ = [NSMutableArray arrayWithCapacity:4];
 160     for (NSDictionary *cydget in cydgets)
 161         if ([[cydget objectForKey:@"Active"] boolValue])
 162             if (NSDictionary *info = [NSDictionary dictionaryWithContentsOfFile:[NSString stringWithFormat:@"%@/%@.cydget/Info.plist", Cydgets_, [cydget objectForKey:@"Name"]]])
 163                 [cydgets_ addObject:info];
 164
 165     if ([cydgets_ count] == 0)
 166         cydgets_ = nil;
 167 }
 168
 169 // XXX: this could happen while it is unlocked
 170 MSInstanceMessageHook1(id, SBAwayView, initWithFrame, CGRect, frame) {
 171     self = MSOldCall(frame);
 172     CydgetSetup();
 173     [[cydgets_ objectAtIndex:active_] enableCydget:[$SBAwayController sharedAwayController]];
 174     return self;
 175 }
 176
 177 MSInstanceMessageHook1(void, SBAwayController, _finishedUnlockAttemptWithStatus, BOOL, status) {
 178     if (status)
 179         Deactivate_(self);
 180     MSOldCall(status);
 181 }
 182
 183 MSInstanceMessageHook0(void, SBAwayView, updateInterface) {
 184     MSOldCall();
 185
 186     NSDictionary *cydget([cydgets_ objectAtIndex:active_]);
 187
 188     NSString *background([cydget objectForKey:@"CYBackground"]);
 189     if ([background isEqualToString:@"Wallpaper"]) {
 190         MSIvarHook(UIView *, _backgroundView);
 191         [_backgroundView setAlpha:1.0f];
 192     }
 193
 194     if ([[cydget objectForKey:@"CYShowDateTime"] boolValue])
 195         [self addDateView];
 196 }