Pseudo code for the function which launches iOS apps in SpringBoard on iOS 7.

gistfile1.m

function sub_10001d783 {
    r12 = rdi;
    r13 = *objc_msgSend;
    rax = [*(r12 + 0x20) bundleIdentifier];
    r14 = rax;
    rax = [*(r12 + 0x20) isWebApplication];
    if (rax != 0x0) {
            r13 = *objc_msgSend;
            rax = (r13)(*(r12 + 0x20), @selector(displayIdentifier));
            rax = (r13)(rax, *objc_sel_copy);
            r15 = rax;
            *0x1004effa0 = r15;
            rax = (r13)(*(r12 + 0x20), @selector(displayName));
            rcx = rax;
            loc_1001d4aa8(@"SBWorkspaceLogging", @"Web app: activating %@ (%@)", r15, rcx);
    }
    r15 = 0x0;
    if (*(int8_t *)(r12 + 0x40) == 0x0) {
            rax = [*(r12 + 0x28) activationFlag:0x3];
            if (rax == 0x0) {
                    rax = [*(r12 + 0x28) displayFlag:0x12];
                    if (rax == 0x0) {
                            rax = [*(r12 + 0x28) displayFlag:0x13];
                            if (rax == 0x0) {
                                    rax = [*(r12 + 0x28) activationFlag:0x1a];
                                    r15 = rax ^ 0x1;
                            }
                    }
            }
    }
    r13 = *objc_msgSend;
    rbx = r15 & 0xff;
    (r13)(*(r12 + 0x28), @selector(setDisplaySetting:flag:), 0x2, rbx);
    (r13)(*(r12 + 0x28), @selector(setActivationSetting:flag:), 0x1a, (rbx ^ 0x1) & 0xff);
    (r13)(*(r12 + 0x28), @selector(setActivationSetting:flag:), 0x2, *(int8_t *)(r12 + 0x40) & 0xff);
    (r13)(*(r12 + 0x28), @selector(setActivationSetting:value:), 0x4, *(r12 + 0x30));
    rax = (r13)(*0x1004f0060, @selector(bksWorkspace));
    rbx = r13;
    r15 = rax;
    if (*(int8_t *)(r12 + 0x40) != 0x0) {
            rax = [*(r12 + 0x28) activationSettings];
            if (*(r12 + 0x38) != 0x0) {
                    (*(rdi + 0x10))();
            }
            else {
                    [r15 activate:r14 withActivation:rax];
            }
            rax = (rbx)(*(r12 + 0x28), @selector(activationState));
            asm{ sete       al };
            (rbx)(*(r12 + 0x28), @selector(setDisplaySetting:flag:), 0x1, rax & 0xff);
            (rbx)(*(r12 + 0x28), @selector(setDisplaySetting:flag:), 0x2, 0x0);
            (rbx)(*(r12 + 0x28), @selector(setDisplaySetting:flag:), 0x12, 0x0);
            (rbx)(*(r12 + 0x28), @selector(setDisplaySetting:flag:), 0x13, 0x0);
            (rbx)(*(r12 + 0x28), @selector(setDisplaySetting:flag:), 0x14, 0x0);
            (rbx)(*(r12 + 0x28), @selector(setDisplaySetting:value:), 0xc, 0x0);
            (rbx)(*(r12 + 0x28), @selector(setDisplaySetting:value:), 0xd, 0x0);
            (rbx)(*(r12 + 0x28), @selector(setDisplaySetting:value:), 0xe, 0x0);
            (rbx)(*(r12 + 0x28), @selector(setDisplaySetting:value:), 0xf, 0x0);
            (rbx)(*(r12 + 0x28), @selector(setDisplaySetting:flag:), 0x10, 0x0);
            (rbx)(*(r12 + 0x28), @selector(setDisplaySetting:flag:), 0x11, 0x0);
            rdi = *(r12 + 0x28);
            rax = rbx;
            rax = (rax)(rdi, @selector(clearActivationSettings));
    }
    else {
            rax = [*(r12 + 0x20) shouldLaunchPNGless];
            if (rax != 0x0) {
                    [*(r12 + 0x20) setActivationSetting:0x9 flag:0x1];
            }
            rax = [SBAssistantController isAssistantVisible];
            if (rax != 0x0) {
                    [*(r12 + 0x20) setActivationSetting:0x25 flag:0x1];
            }
            rax = (rbx)(*objc_classref_SBNotificationCenterController, @selector(sharedInstanceIfExists));
            rax = (rbx)(rax, @selector(isVisible));
            if (rax != 0x0) {
                    [*(r12 + 0x20) setActivationSetting:0x24 flag:0x1];
            }
            rax = (rbx)(*objc_classref_SBControlCenterController, @selector(sharedInstanceIfExists));
            rax = (rbx)(rax, @selector(isVisible));
            if (rax != 0x0) {
                    [*(r12 + 0x20) setActivationSetting:0x2b flag:0x1];
            }
            rax = (rbx)(r15, @selector(topApplication));
            rax = (rbx)(*0x1004f0060, @selector(_applicationForBundleIdentifier:frontmost:), rax, 0x1);
            r14 = rax;
            rax = (rbx)(*0x1004f0060, @selector(_selectTransactionForAppActivationToApp:activationHandler:), *(r12 + 0x20), *(r12 + 0x38));
            rax = (rbx)(*0x1004f0060, @selector(setCurrentTransaction:), rax);
            if (r14 != *(r12 + 0x20)) {
                    rdx = r14;
                    rax = [*0x1004f0060 updateInterruptedByCallSettingsFrom:rdx to:rcx];
            }
            else {
                    return rax;
            }
    }
    return rax;
}