ActivateSwitcher.xmi

/*
 * Copyright (c) 2011-2013, Xuzz Productions, LLC
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 * 
 * 1. Redistributions of source code must retain the above copyright notice, this
 *    list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#import "Common.h"
#import "iPhonePrivate.h"
#import "ActivateSwitcher.h"

static BOOL activateSwitcherCustom = NO;
static CGFloat activateSwitcherFrom = 0.0;
static CGFloat activateSwitcherTo = 0.0;

%group ActivateSwitcher

%hook SBUIController

- (BOOL)_canActivateShowcaseIgnoringTouches:(BOOL)touches {
    if (activateSwitcherCustom) {
        return YES;
    }

    return %orig;
}

- (SBShowcaseContext *)_showcaseContextForOffset:(CGFloat)offset {
    if (activateSwitcherCustom) {
        if (offset == 0.0) {
            offset = activateSwitcherFrom;
        } else {
            offset = activateSwitcherTo;
        }
    }

    SBShowcaseContext *context = %orig;

    if (activateSwitcherCustom) {
        [context setShowcaseOrientation:ZephyrCurrentInterfaceOrientation()];
    }

    return context;
}

%end

%end

%ctor {
    %init(ActivateSwitcher);
}

@interface SBMusicController : NSObject
- (void) switcherDidShow:(double)duration orientation:(UIInterfaceOrientation)orientation;
@end

static void OpenMusicControlsTaskSwitcherIfNecessaryWithDuration(double duration) {
    Class $SBMusicController = objc_getClass("SBMusicController");
    if ($SBMusicController) {
        bool defaultValue = YES;
        CFPreferencesSynchronize((CFStringRef)@"com.phoenix.musiccontrols.task", kCFPreferencesCurrentUser, kCFPreferencesCurrentHost);
        CFBooleanRef val = (CFBooleanRef) CFPreferencesCopyAppValue((CFStringRef) @"Controls", (CFStringRef) @"com.phoenix.musiccontrols.task");

        if (val) {
            defaultValue = [(NSNumber*) val boolValue];
            CFRelease(val);
        }

        if (defaultValue) {
            [[$SBMusicController sharedInstance] switcherDidShow:duration orientation:ZephyrCurrentInterfaceOrientation()];
        }
    }
}

void ZephyrActivateSwitcherFromToDuration(CGFloat from, CGFloat to, CGFloat duration) {
    SBUIController *uic = [objc_getClass("SBUIController") sharedInstance];
    SBAppSwitcherController *switcher = [objc_getClass("SBAppSwitcherController") sharedInstance];

    if (!ZephyrMultitaskingSupported()) return;
    if ([switcher printViewIsShowing]) return;
    if ([uic isSwitcherShowing]) return;

    activateSwitcherCustom = YES;
    activateSwitcherFrom = from;
    activateSwitcherTo = to;

    [uic _activateSwitcher:duration];

    activateSwitcherTo = 0.0;
    activateSwitcherFrom = 0.0;
    activateSwitcherCustom = NO;

    // Support Music Controls Pro, code by phoenixdev.
    OpenMusicControlsTaskSwitcherIfNecessaryWithDuration(duration);
}