Reorganize menu layout

source/ApplicationState.cpp

@@ -1,414 +1,265 @@
 #include "ApplicationState.h"
 #include "WiiUScreen.h"
 #include "ScreenUtils.h"
+#include "StringTools.h"
 #include "../build/safe_payload.h"
 #include <sysapp/launch.h>
 #include <iosuhax.h>
 
 extern "C" void OSShutdown();
 
-void ApplicationState::render() {
+void ApplicationState::changeState(eGameState newState) {
-    WiiUScreen::clearScreen();
+    this->state = newState;
-    WiiUScreen::drawLine("Aroma Installer");
-    WiiUScreen::drawLine("==================");
-    WiiUScreen::drawLine("");
 
+    menu.clear();
     if (this->state == STATE_ERROR) {
-        WiiUScreen::drawLine("The installation failed:");
+        menu.addText("The installation failed:");
-        WiiUScreen::drawLine();
+        menu.addText();
-        WiiUScreen::drawLinef("Error:       %s", ErrorMessage().c_str());
+        menu.addText("Error:       " + ErrorMessage());
-        WiiUScreen::drawLinef("Description: %s", ErrorDescription().c_str());
+        menu.addText("Description: " + ErrorDescription());
-        WiiUScreen::drawLine();
+        menu.addText();
-        WiiUScreen::drawLine();
+        menu.addText();
-        WiiUScreen::drawLine("Press A to return to the Wii U Menu.");
+        menu.addOption("Press A to return to the Wii U Menu.", STATE_EXIT_SYSMENU);
     } else if (this->state == STATE_WELCOME_SCREEN) {
-        WiiUScreen::drawLine("Welcome to the Aroma Installer!");
+        menu.addText("Welcome to the Aroma Installer!");
-        WiiUScreen::drawLine("Do you want to check if an installation is possible?");
+        menu.addText("Do you want to check if an installation is possible?");
-        WiiUScreen::drawLine("");
+        menu.addText();
-        if (this->selectedOption == 0) {
+        menu.addOption("Check", STATE_GET_APP_INFORMATION);
-            WiiUScreen::drawLine("> Check             Exit");
+        menu.addOption("Exit", STATE_EXIT_SYSMENU);
-        } else if (this->selectedOption == 1) {
-            WiiUScreen::drawLine("  Check           > Exit");
-        }
     } else if (this->state == STATE_GET_APP_INFORMATION) {
-        WiiUScreen::drawLine("Getting app information");
+        menu.addText("Getting app information");
     } else if (this->state == STATE_CHECK_PATCH_POSSIBLE) {
-        WiiUScreen::drawLine("Check if console can be patched.");
+        menu.addText("Check if console can be patched.");
+    } else if (this->state == STATE_CHECK_COLDBOOT_STATUS) {
+        menu.addText("Check if coldboot can be enabled.");
     } else if (this->state == STATE_CHECK_REMOVAL_POSSIBLE) {
-        WiiUScreen::drawLine("Check if Aroma can be removed.");
+        menu.addText("Check if Aroma can be removed.");
-    } else if (this->state == STATE_INSTALL_MENU) {
+    } else if (this->state == STATE_APP_INCOMPATIBLE) {
-        WiiUScreen::drawLinef("Compatible title:");
+        menu.addText("Sorry, Aroma cannot be safely installed to:");
-        WiiUScreen::drawLinef("%s", appInfo->appName);
+        menu.addText(std::string(appInfo->appName));
-        WiiUScreen::drawLine();
+        menu.addText();
-
+        menu.addText("Additional informations:");
-        if (this->fstAlreadyPatched) {
+        auto showCheckResult = [&] (const std::string &name, bool canPatch, bool patched) {
-            WiiUScreen::drawLine("[ X ] title.fst is already patched!");
+            if (patched) {
-        } else if (this->fstPatchPossible) {
+                menu.addText("[ X ] " + name + "is already patched!");
-            WiiUScreen::drawLine("[ X ] title.fst can be patched!");
+            } else if (canPatch) {
+                menu.addText("[ X ] " + name + "can be patched!");
             } else {
-            WiiUScreen::drawLine("[   ] title.fst can NOT be patched!");
+                menu.addText("[   ] " + name + "can NOT be patched!");
             }
-        if (this->cosAlreadyPatched) {
+        };
-            WiiUScreen::drawLine("[ X ] cos.xml is already patched!");
+        showCheckResult("title.fst", this->fstPatchPossible, this->fstAlreadyPatched);
-        } else if (this->cosPatchPossible) {
+        showCheckResult("cos.xml", this->cosPatchPossible, this->cosAlreadyPatched);
-            WiiUScreen::drawLine("[ X ] cos.xml can be patched!");
+        showCheckResult("safe.rpx", true, this->rpxAlreadyPatched);
-        } else {
+        menu.addText();
-            WiiUScreen::drawLine("[   ] cos.xml can NOT be patched!");
+        menu.addOption("Exit", STATE_EXIT_SYSMENU);
-        }
+    } else if (this->state == STATE_MAIN_MENU) {
-        if (this->rpxAlreadyPatched) {
+        menu.addText("Aroma " + std::string(alreadyInstalled ? "is" : "can be") + " installed to:");
-            WiiUScreen::drawLine("[ X ] safe.rpx is already patched!");
+        menu.addText(std::string(appInfo->appName));
-        } else {
+        menu.addText();
-            WiiUScreen::drawLine("[ X ] safe.rpx can to be patched!");
+        menu.addOption("Install", STATE_INSTALL_CONFIRM_DIALOG);
-        }
+        menu.addOption("Boot options", STATE_BOOT_MENU);
-
-        WiiUScreen::drawLine();
-        WiiUScreen::drawLinef("System is booting into: ");
-        if (this->coldbootTitle == nullptr) {
-            WiiUScreen::drawLinef("%ll016X (Unknown title)", this->coldbootTitleId);
-        } else {
-            WiiUScreen::drawLinef("%ll016X (%s)", this->coldbootTitle->tid, this->coldbootTitle->name);
-        }
-
-        WiiUScreen::drawLine();
-
-        if (!this->fstPatchPossible || !this->cosPatchPossible) {
-            WiiUScreen::drawLine("A safe installation of Aroma can not be provided.");
-            WiiUScreen::drawLine();
-            WiiUScreen::drawLine("Press A to return to the Wii U Menu");
-        } else {
-            std::string options = "";
-            WiiUScreen::drawLine("Do you want to install Aroma?");
-            WiiUScreen::drawLine("");
-
         if (this->removalPossible) {
-                if (this->selectedOption == 0) {
+            menu.addOption("Remove", STATE_REMOVE_CONFIRM_DIALOG);
-                    WiiUScreen::drawLine("> Exit             Install             Remove");
-                } else if (this->selectedOption == 1) {
-                    WiiUScreen::drawLine("  Exit           > Install             Remove");
-                } else if (this->selectedOption == 2) {
-                    WiiUScreen::drawLine("  Exit             Install           > Remove");
-                }
-            } else {
-                if (this->selectedOption == 0) {
-                    WiiUScreen::drawLine("> Exit             Install");
-                } else if (this->selectedOption == 1) {
-                    WiiUScreen::drawLine("  Exit           > Install");
-                }
-            }
-        }
-    } else if (this->state == STATE_INSTALL_CHOOSE_COLDBOOT) {
-        WiiUScreen::drawLine("Select your installation type:");
-        WiiUScreen::drawLine();
-        WiiUScreen::drawLine("[Coldboot] Aroma will launch directly after booting the console.");
-        WiiUScreen::drawLine("[No Coldboot] Aroma will need to be launched manually.");
-        WiiUScreen::drawLine("");
-        if (this->selectedOption == 0) {
-            WiiUScreen::drawLine("> Back               Coldboot                   No Coldboot");
-        } else if (this->selectedOption == 1) {
-            WiiUScreen::drawLine("  Back             > Coldboot                   No Coldboot");
-        } else if (this->selectedOption == 2) {
-            WiiUScreen::drawLine("  Back               Coldboot                 > No Coldboot");
-        }
-    } else if (this->state == STATE_INSTALL_NO_COLDBOOT_ALLOWED) {
-        WiiUScreen::drawLine("Note: To install Aroma as coldboot you need to run this installer");
-        WiiUScreen::drawLine("from an already running Aroma instance (and not the browser)");
-        WiiUScreen::drawLine("After the installation has finished, reboot the console, open the");
-        WiiUScreen::drawLine("Health & Safety app and run the Aroma installer.");
-        WiiUScreen::drawLine();
-        if (this->selectedOption == 0) {
-            WiiUScreen::drawLine("> Back               Install without Coldboot");
-        } else if (this->selectedOption == 1) {
-            WiiUScreen::drawLine("  Back             > Install without Coldboot");
         }
+        menu.addOption("Exit", STATE_EXIT_SYSMENU);
     } else if (this->state == STATE_INSTALL_CONFIRM_DIALOG) {
-        WiiUScreen::drawLine("Are you REALLY sure you want to install Aroma?");
+        menu.addText("Are you REALLY sure you want to install Aroma?");
-        WiiUScreen::drawLine("Installing could permanently damage your console");
+        menu.addText("Installing could permanently damage your console");
-        WiiUScreen::drawLine();
+        menu.addText();
-        WiiUScreen::drawLine("After the installation you can NOT longer use:");
+        menu.addText("After the installation you can NO longer use:");
-        WiiUScreen::drawLinef("- %s", appInfo->appName);
+        menu.addText("- " + std::string(appInfo->appName));
-        WiiUScreen::drawLine();
+        menu.addText();
-        WiiUScreen::drawLine("Selected installation type:");
+        menu.addOption("Back", STATE_MAIN_MENU);
-        if (this->installColdboot) {
+        menu.addOption("Install", STATE_INSTALL_STARTED);
-            WiiUScreen::drawLine("- Coldboot");
+    } else if (this->state == STATE_INSTALL_STARTED) {
+        menu.addText("Installing...");
+    } else if (this->state == STATE_INSTALL_FST) {
+        menu.addText("... patching title.fst");
+    } else if (this->state == STATE_INSTALL_COS) {
+        menu.addText("... patching cos.xml");
+    } else if (this->state == STATE_INSTALL_RPX) {
+        menu.addText("... install safe.rpx");
+    } else if (this->state == STATE_INSTALL_SUCCESS) {
+        menu.addText("Aroma was successfully installed");
+        menu.addText();
+        menu.addOption("Press A to shutdown the console", STATE_EXIT_SHUTDOWN);
+    } else if (this->state == STATE_REMOVE_CONFIRM_DIALOG) {
+        menu.addText("Are you REALLY sure you want to remove Aroma?");
+        menu.addText("If you have modified some system apps such as the");
+        menu.addText("system menu this could make your console unusable");
+        menu.addText();
+        menu.addOption("Back", STATE_MAIN_MENU);
+        menu.addOption("Remove", STATE_REMOVE_STARTED);
+    } else if (this->state == STATE_REMOVE_STARTED) {
+        menu.addText("Removing...");
+    } else if (this->state == STATE_REMOVE_COLDBOOT) {
+        menu.addText("... remove system.xml coldboot patches");
+    } else if (this->state == STATE_REMOVE_AROMA) {
+        menu.addText("... remove Aroma application patches");
+    } else if (this->state == STATE_REMOVE_SUCCESS) {
+        menu.addText("Aroma was successfully removed");
+        menu.addText();
+        menu.addOption("Press A to shutdown the console", STATE_EXIT_SHUTDOWN);
+    } else if (this->state == STATE_BOOT_MENU) {
+        menu.addText("System is currently booting into: ");
+        std::string titleId = StringTools::strfmt("%ll016X", this->coldbootTitleId);
+        std::string titleName = this->coldbootTitle ?
+            std::string(this->coldbootTitle->name) : "Unknown title";
+        menu.addText(titleId + " (" + titleName + ")");
+        menu.addText();
+
+        if (this->systemXMLRestorePossible && this->systemXMLAlreadyPatched) {
+            menu.addOption("Switch back to System Menu", STATE_BOOT_SWITCH_SYSMENU);
+        } else if (this->systemXMLPatchAllowed) {
+            menu.addOption("Switch to Aroma", STATE_BOOT_SWITCH_AROMA);
+        } else if (this->systemXMLPatchPossible) {
+            menu.addText("To change the system boot title to Aroma, you need to");
+            menu.addText("launch this installer from an already running Aroma");
+            menu.addText("instance, in order to verify that the installation");
+            menu.addText("is working properly.");
+            menu.addText();
+            menu.addText("After installing Aroma, reboot the console, open the");
+            menu.addText("Health & Safety app and relaunch the Aroma installer.");
+            menu.addText();
         } else {
-            WiiUScreen::drawLine("- No Coldboot");
+            menu.addText("Sorry, your system.xml file has not yet been tested");
+            menu.addText("with this tool. Boot options cannot be modified.");
+            menu.addText();
+        }
+        menu.addOption("Back", STATE_MAIN_MENU);
+    } else if (this->state == STATE_BOOT_SWITCH_AROMA) {
+        menu.addText("Changing system.xml to boot " + std::string(this->appInfo->appName) + " ...");
+    } else if (this->state == STATE_BOOT_SWITCH_SYSMENU) {
+        menu.addText("Changing system.xml to boot System Menu ...");
+    } else if (this->state == STATE_BOOT_SWITCH_SUCCESS) {
+        menu.addText("Boot title successfully updated!");
+        menu.addText();
+        menu.addOption("Press A to shutdown the console", STATE_EXIT_SHUTDOWN);
     }
 
-        WiiUScreen::drawLine();
+    this->state = newState;
-        WiiUScreen::drawLine();
-        if (this->selectedOption == 0) {
-            WiiUScreen::drawLine("> Back               Install");
-        } else if (this->selectedOption == 1) {
-            WiiUScreen::drawLine("  Back             > Install");
 }
-    } else if (this->state == STATE_INSTALL_STARTED) {
+
-        WiiUScreen::drawLine("Installing...");
+void ApplicationState::render() {
-    } else if (this->state == STATE_INSTALL_BACKUP) {
+    menu.render();
-        WiiUScreen::drawLine("... backing up files");
-    } else if (this->state == STATE_INSTALL_FST) {
-        WiiUScreen::drawLine("... patching title.fst");
-    } else if (this->state == STATE_INSTALL_COS) {
-        WiiUScreen::drawLine("... patching cos.xml");
-    } else if (this->state == STATE_INSTALL_SYSTEM_XML) {
-        WiiUScreen::drawLine("... patching system.xml");
-    } else if (this->state == STATE_INSTALL_RPX) {
-        WiiUScreen::drawLine("... install safe.rpx");
-    } else if (this->state == STATE_INSTALL_SUCCESS) {
-        WiiUScreen::drawLine("Aroma was successfully installed");
-        WiiUScreen::drawLine();
-        WiiUScreen::drawLine("Press A to shutdown the console");
-    } else if (this->state == STATE_REMOVE_CONFIRM_DIALOG) {
-        WiiUScreen::drawLine("Are you REALLY sure you want to remove Aroma?");
-        WiiUScreen::drawLine("If you have installed unsigned system");
-        WiiUScreen::drawLine("applications or modified system files");
-        WiiUScreen::drawLine("this could make your console unusable");
-        WiiUScreen::drawLine();
-        WiiUScreen::drawLine();
-        if (this->selectedOption == 0) {
-            WiiUScreen::drawLine("> Back               Remove");
-        } else if (this->selectedOption == 1) {
-            WiiUScreen::drawLine("  Back             > Remove");
-        }
-    } else if (this->state == STATE_REMOVE_STARTED) {
-        WiiUScreen::drawLine("Removing...");
-    } else if (this->state == STATE_REMOVE_COLDBOOT) {
-        WiiUScreen::drawLine("... remove system.xml coldboot patches");
-    } else if (this->state == STATE_REMOVE_AROMA) {
-        WiiUScreen::drawLine("... remove Aroma application patches");
-    } else if (this->state == STATE_REMOVE_SUCCESS) {
-        WiiUScreen::drawLine("Aroma was successfully removed");
-        WiiUScreen::drawLine();
-        WiiUScreen::drawLine("Press A to shutdown the console");
-    }
-    printFooter();
-    WiiUScreen::flipBuffers();
 }
 
 void ApplicationState::update(Input *input) {
     if (this->state == STATE_ERROR) {
         OSEnableHomeButtonMenu(true);
-        if (entrySelected(input)) {
-            SYSLaunchMenu();
-        }
-    } else if (this->state == STATE_WELCOME_SCREEN) {
-        proccessMenuNavigation(input, 2);
-        if (entrySelected(input)) {
-            if (this->selectedOption == 0) {
-                this->state = STATE_GET_APP_INFORMATION;
-            } else {
-                SYSLaunchMenu();
-            }
-            this->selectedOption = 0;
-            return;
-        }
     } else if (this->state == STATE_GET_APP_INFORMATION) {
         getAppInformation();
     } else if (this->state == STATE_CHECK_PATCH_POSSIBLE) {
         checkPatchPossible();
+    } else if (this->state == STATE_CHECK_COLDBOOT_STATUS) {
+        checkColdbootStatus();
     } else if (this->state == STATE_CHECK_REMOVAL_POSSIBLE) {
         checkRemovalPossible();
-    } else if (this->state == STATE_INSTALL_MENU) {
+    } else if (this->state == STATE_COMPATIBILITY_RESULTS) {
-        if (this->fstPatchPossible && this->cosPatchPossible) {
+        if (this->installPossible) {
-            proccessMenuNavigation(input, 2 + (this->removalPossible ? 1 : 0));
+            changeState(STATE_MAIN_MENU);
-            if (entrySelected(input)) {
-                if (this->selectedOption == 1) {
-                    if (systemXMLPatchPossible) {
-                        this->state = STATE_INSTALL_CHOOSE_COLDBOOT;
-                        this->installColdboot = false;
         } else {
-                        this->state = STATE_INSTALL_CONFIRM_DIALOG;
+            changeState(STATE_APP_INCOMPATIBLE);
-                    }
-                } else if ((this->selectedOption == 2) && this->removalPossible) {
-                    this->state = STATE_REMOVE_CONFIRM_DIALOG;
-                } else {
-                    SYSLaunchMenu();
-                }
-                this->selectedOption = 0;
-                return;
-            }
-        } else {
-            if (entrySelected(input)) {
-                SYSLaunchMenu();
-            }
-        }
-    } else if (this->state == STATE_INSTALL_CHOOSE_COLDBOOT) {
-
-        if (!InstallerService::isColdBootAllowed()) {
-            this->installColdboot = false;
-            this->state = STATE_INSTALL_NO_COLDBOOT_ALLOWED;
-            return;
-        }
-
-        proccessMenuNavigation(input, 3);
-        if (entrySelected(input)) {
-            if (this->selectedOption == 0) { // Back
-                this->state = STATE_INSTALL_MENU;
-            } else {
-                if (selectedOption == 1) { // Install with coldboot
-                    this->installColdboot = true;
-                }
-                this->state = STATE_INSTALL_CONFIRM_DIALOG;
-            }
-            this->selectedOption = 0;
-            return;
-        }
-    } else if (this->state == STATE_INSTALL_NO_COLDBOOT_ALLOWED) {
-        proccessMenuNavigation(input, 2);
-        if (entrySelected(input)) {
-            if (this->selectedOption == 0) {
-                this->state = STATE_INSTALL_MENU;
-            } else {
-                this->state = STATE_INSTALL_CONFIRM_DIALOG;
-            }
-            this->selectedOption = 0;
-        }
-    } else if (this->state == STATE_INSTALL_CONFIRM_DIALOG) {
-        proccessMenuNavigation(input, 2);
-        if (entrySelected(input)) {
-            if (this->selectedOption == 0) {
-                this->state = STATE_INSTALL_MENU;
-            } else {
-                this->state = STATE_INSTALL_STARTED;
-                OSEnableHomeButtonMenu(false);
-            }
-            this->selectedOption = 0;
-            return;
         }
     } else if (this->state == STATE_INSTALL_STARTED) {
-        this->state = STATE_INSTALL_BACKUP;
+        OSEnableHomeButtonMenu(false);
+        changeState(STATE_INSTALL_BACKUP);
     } else if (this->state == STATE_INSTALL_BACKUP) {
         auto result = InstallerService::backupAppFiles(this->appInfo->path);
         if (result != InstallerService::SUCCESS) {
-            setError(ERROR_INSTALLER_ERROR);
             this->installerError = result;
+            setError(ERROR_INSTALLER_ERROR);
         } else {
-            this->state = STATE_INSTALL_FST;
+            changeState(STATE_INSTALL_FST);
         }
     } else if (this->state == STATE_INSTALL_FST) {
-        auto result = InstallerService::patchFST(this->appInfo->path, this->appInfo->fstHash);
+        auto result = (this->fstAlreadyPatched) ? InstallerService::SUCCESS :
+            InstallerService::patchFST(this->appInfo->path, this->appInfo->fstHash);
         if (result != InstallerService::SUCCESS) {
-            setError(ERROR_INSTALLER_ERROR);
             this->installerError = result;
+            setError(ERROR_INSTALLER_ERROR);
         } else {
-            this->state = STATE_INSTALL_COS;
+            changeState(STATE_INSTALL_COS);
         }
     } else if (this->state == STATE_INSTALL_COS) {
-        auto result = InstallerService::patchCOS(this->appInfo->path, this->appInfo->cosHash);
+        auto result = (this->cosAlreadyPatched) ? InstallerService::SUCCESS :
+            InstallerService::patchCOS(this->appInfo->path, this->appInfo->cosHash);
         if (result != InstallerService::SUCCESS) {
-            setError(ERROR_INSTALLER_ERROR);
             this->installerError = result;
+            setError(ERROR_INSTALLER_ERROR);
         } else {
-            this->state = STATE_INSTALL_RPX;
+            changeState(STATE_INSTALL_RPX);
         }
     } else if (this->state == STATE_INSTALL_RPX) {
         auto result = InstallerService::copyRPX(this->appInfo->path, root_rpx, root_rpx_size, RPX_HASH);
         if (result != InstallerService::SUCCESS) {
-            setError(ERROR_INSTALLER_ERROR);
             this->installerError = result;
-        } else {
-            if (this->installColdboot) {
-                this->state = STATE_INSTALL_SYSTEM_XML;
-            } else {
-                this->state = STATE_INSTALL_SUCCESS;
-            }
-        }
-    } else if (this->state == STATE_INSTALL_SYSTEM_XML) {
-        auto result = InstallerService::patchSystemXML("storage_slc_installer:/config", this->appInfo->titleId);
-        if (result != InstallerService::SUCCESS) {
             setError(ERROR_INSTALLER_ERROR);
-            this->installerError = result;
         } else {
-            auto fsaFd = IOSUHAX_FSA_Open();
+            changeState(STATE_INSTALL_SUCCESS);
-            if (fsaFd >= 0) {
-                if (IOSUHAX_FSA_FlushVolume(fsaFd, "/vol/storage_mlc01") == 0) {
-                    DEBUG_FUNCTION_LINE("Flushed mlc");
-                }
-                if (IOSUHAX_FSA_FlushVolume(fsaFd, "/vol/system") == 0) {
-                    DEBUG_FUNCTION_LINE("Flushed slc");
-                }
-                IOSUHAX_FSA_Close(fsaFd);
-            } else {
-                DEBUG_FUNCTION_LINE("Failed to open fsa");
-            }
-            this->state = STATE_INSTALL_SUCCESS;
-        }
-    } else if (this->state == STATE_INSTALL_SUCCESS) {
-        if (entrySelected(input)) {
-            OSShutdown();
-        }
-    } else if (this->state == STATE_REMOVE_CONFIRM_DIALOG) {
-        proccessMenuNavigation(input, 2);
-        if (entrySelected(input)) {
-            if (this->selectedOption == 0) {
-                this->state = STATE_INSTALL_MENU;
-            } else {
-                this->state = STATE_REMOVE_STARTED;
-                OSEnableHomeButtonMenu(false);
-            }
-            this->selectedOption = 0;
-            return;
         }
     } else if (this->state == STATE_REMOVE_STARTED) {
-        this->state = STATE_REMOVE_COLDBOOT;
+        OSEnableHomeButtonMenu(false);
+        if (this->systemXMLAlreadyPatched) {
+            changeState(STATE_REMOVE_COLDBOOT);
+        } else {
+            changeState(STATE_REMOVE_AROMA);
+        }
     } else if (this->state == STATE_REMOVE_COLDBOOT) {
-        auto result = InstallerService::patchSystemXML("storage_slc_installer:/config", *this->systemMenuTitleId);
+        auto result = InstallerService::setBootTitle(*this->systemMenuTitleId);
         if (result != InstallerService::SUCCESS) {
-            setError(ERROR_INSTALLER_ERROR);
             this->installerError = result;
+            setError(ERROR_INSTALLER_ERROR);
         } else {
-            auto fsaFd = IOSUHAX_FSA_Open();
+            changeState(STATE_REMOVE_AROMA);
-            if (fsaFd >= 0) {
-                if (IOSUHAX_FSA_FlushVolume(fsaFd, "/vol/storage_mlc01") == 0) {
-                    DEBUG_FUNCTION_LINE("Flushed mlc");
-                }
-                if (IOSUHAX_FSA_FlushVolume(fsaFd, "/vol/system") == 0) {
-                    DEBUG_FUNCTION_LINE("Flushed slc");
-                }
-                IOSUHAX_FSA_Close(fsaFd);
-            } else {
-                DEBUG_FUNCTION_LINE("Failed to open fsa");
-            }
-            this->state = STATE_REMOVE_AROMA;
         }
     } else if (this->state == STATE_REMOVE_AROMA) {
         auto result = InstallerService::restoreAppFiles(this->appInfo->path);
         if (result != InstallerService::SUCCESS) {
-            setError(ERROR_INSTALLER_ERROR);
             this->installerError = result;
+            setError(ERROR_INSTALLER_ERROR);
         } else {
-            this->state = STATE_REMOVE_SUCCESS;
+            changeState(STATE_REMOVE_SUCCESS);
         }
-    } else if (this->state == STATE_REMOVE_SUCCESS) {
+    } else if (this->state == STATE_BOOT_SWITCH_SYSMENU) {
-        if (entrySelected(input)) {
+        OSEnableHomeButtonMenu(false);
+        auto result = InstallerService::setBootTitle(*this->systemMenuTitleId);
+        if (result != InstallerService::SUCCESS) {
+            this->installerError = result;
+            setError(ERROR_INSTALLER_ERROR);
+        } else {
+            changeState(STATE_BOOT_SWITCH_SUCCESS);
+        }
+    } else if (this->state == STATE_BOOT_SWITCH_AROMA) {
+        OSEnableHomeButtonMenu(false);
+        auto result = InstallerService::setBootTitle(this->appInfo->titleId);
+        if (result != InstallerService::SUCCESS) {
+            this->installerError = result;
+            setError(ERROR_INSTALLER_ERROR);
+        } else {
+            changeState(STATE_BOOT_SWITCH_SUCCESS);
+        }
+    } else if (this->state == STATE_EXIT_SYSMENU) {
+        SYSLaunchMenu();
+    } else if (this->state == STATE_EXIT_SHUTDOWN) {
         OSShutdown();
     }
-    }
+
+    menu.update(input);
 }
 
 ApplicationState::ApplicationState() {
-    this->state = STATE_WELCOME_SCREEN;
+    menu.setOptionsCallback(std::bind(&ApplicationState::changeState, this, std::placeholders::_1));
-    this->selectedOption = 0;
+    menu.setHeader("Aroma Installer");
+    menu.setFooter("By Maschell");
+
+    changeState(STATE_WELCOME_SCREEN);
     DEBUG_FUNCTION_LINE("State has changed to \"STATE_WELCOME_SCREEN\"");
 }
 
 void ApplicationState::checkPatchPossible() {
     DEBUG_FUNCTION_LINE("Check patch possible");
-    if (!this->appInfo) {
-        this->state = STATE_ERROR;
-        this->error = ERROR_NO_APP_INSTALLED;
-        DEBUG_FUNCTION_LINE("ERROR");
-        return;
-    }
-
-    this->coldbootTitleId = InstallerService::getColdbootTitleId("storage_slc_installer:/config");
-
-    this->coldbootTitle = nullptr;
-    for (int i = 0; GameList[i].tid != 0; i++) {
-        if (GameList[i].tid == this->coldbootTitleId) {
-            this->coldbootTitle = &GameList[i];
-            break;
-        }
-    }
 
     DEBUG_FUNCTION_LINE("CHECK FST");
 
@@ -427,28 +278,61 @@ void ApplicationState::checkPatchPossible() {
     if (result != InstallerService::SUCCESS) {
         DEBUG_FUNCTION_LINE("ERROR: %s", InstallerService::ErrorMessage(result).c_str());
     }
+
+    this->installPossible = this->fstPatchPossible && this->cosPatchPossible;
+    this->alreadyInstalled = this->fstAlreadyPatched && this->rpxAlreadyPatched && this->cosAlreadyPatched;
+
+    changeState(STATE_CHECK_COLDBOOT_STATUS);
+}
+
+void ApplicationState::checkColdbootStatus() {
+    DEBUG_FUNCTION_LINE("Check coldboot status");
+
+    this->coldbootTitleId = InstallerService::getColdbootTitleId("storage_slc_installer:/config");
+    this->coldbootTitle = nullptr;
+    for (int i = 0; GameList[i].tid != 0; i++) {
+        if (GameList[i].tid == this->coldbootTitleId) {
+            this->coldbootTitle = &GameList[i];
+            break;
+        }
+    }
+
+    InstallerService::eResults result;
+
+    this->systemMenuTitleId = InstallerService::getSystemMenuTitleId();
+
     this->systemXMLPatchPossible = ((result = InstallerService::checkSystemXML("storage_slc_installer:/config", this->appInfo->titleId)) == InstallerService::SUCCESS);
     if (result != InstallerService::SUCCESS) {
         DEBUG_FUNCTION_LINE("ERROR: %s", InstallerService::ErrorMessage(result).c_str());
     }
 
-    if (this->rpxAlreadyPatched) {
+    if (this->systemMenuTitleId) {
-        this->state = STATE_CHECK_REMOVAL_POSSIBLE;
+        this->systemXMLRestorePossible = ((result = InstallerService::checkSystemXML("storage_slc_installer:/config", *this->systemMenuTitleId)) == InstallerService::SUCCESS);
-    } else {
+        if (result != InstallerService::SUCCESS) {
-        this->state = STATE_INSTALL_MENU;
+            DEBUG_FUNCTION_LINE("ERROR: %s", InstallerService::ErrorMessage(result).c_str());
         }
+    } else {
+        this->systemXMLRestorePossible = false;
+    }
+
+    this->systemXMLAlreadyPatched = (this->coldbootTitleId == this->appInfo->titleId);
+
+    this->systemXMLPatchAllowed = this->systemXMLPatchPossible && this->alreadyInstalled && InstallerService::isColdBootAllowed();
+
+    changeState(STATE_CHECK_REMOVAL_POSSIBLE);
 }
 
 void ApplicationState::checkRemovalPossible() {
-    this->removalPossible = false;
+    DEBUG_FUNCTION_LINE("Check removal possible");
 
-    this->systemMenuTitleId = InstallerService::getSystemMenuTitleId();
+    this->removalPossible = this->alreadyInstalled;
-    if (this->systemMenuTitleId) {
+    if (this->removalPossible) {
-        this->removalPossible = InstallerService::checkSystemXML("storage_slc_installer:/config", *this->systemMenuTitleId) == InstallerService::SUCCESS;
+        this->removalPossible &= this->systemXMLRestorePossible || !this->systemXMLAlreadyPatched;
+    }
+    if (this->removalPossible) {
         this->removalPossible &= InstallerService::isBackupAvailable(this->appInfo->path);
     }
-
+    changeState(STATE_COMPATIBILITY_RESULTS);
-    this->state = STATE_INSTALL_MENU;
 }
 
 void ApplicationState::getAppInformation() {
@@ -456,11 +340,10 @@ void ApplicationState::getAppInformation() {
     this->appInfo = InstallerService::getInstalledAppInformation();
     if (!this->appInfo) {
         DEBUG_FUNCTION_LINE("ERROR =(");
-        this->state = STATE_ERROR;
+        setError(ERROR_NO_APP_INSTALLED);
-        this->error = ERROR_NO_APP_INSTALLED;
     } else {
         DEBUG_FUNCTION_LINE("WORKED!");
-        this->state = STATE_CHECK_PATCH_POSSIBLE;
+        changeState(STATE_CHECK_PATCH_POSSIBLE);
     }
 }
 
@@ -491,33 +374,7 @@ std::string ApplicationState::ErrorDescription() {
 }
 
 void ApplicationState::setError(eErrorState err) {
-    this->state = STATE_ERROR;
     this->error = err;
     OSEnableHomeButtonMenu(true);
-}
+    changeState(STATE_ERROR);
-
-void ApplicationState::handleError() {
-
-}
-
-void ApplicationState::printFooter() {
-    ScreenUtils::printTextOnScreen(CONSOLE_SCREEN_TV, 0, 27, "By Maschell");
-    ScreenUtils::printTextOnScreen(CONSOLE_SCREEN_DRC, 0, 17, "By Maschell");
-}
-
-void ApplicationState::proccessMenuNavigation(Input *input, int maxOptionValue) {
-    if (input->data.buttons_d & Input::BUTTON_LEFT) {
-        this->selectedOption--;
-    } else if (input->data.buttons_d & Input::BUTTON_RIGHT) {
-        this->selectedOption++;
-    }
-    if (this->selectedOption < 0) {
-        this->selectedOption = maxOptionValue;
-    } else if (this->selectedOption >= maxOptionValue) {
-        this->selectedOption = 0;
-    }
-}
-
-bool ApplicationState::entrySelected(Input *input) {
-    return input->data.buttons_d & Input::BUTTON_A;
 }

source/ApplicationState.h

@@ -5,6 +5,7 @@
 #include "common/common.h"
 #include "InstallerService.h"
 #include "Input.h"
+#include "Menu.h"
 
 class ApplicationState {
 public:
@@ -21,35 +22,45 @@ public:
         STATE_WELCOME_SCREEN,
         STATE_GET_APP_INFORMATION,
         STATE_CHECK_PATCH_POSSIBLE,
+        STATE_CHECK_COLDBOOT_STATUS,
         STATE_CHECK_REMOVAL_POSSIBLE,
-        STATE_INSTALL_MENU,
+        STATE_COMPATIBILITY_RESULTS,
-        STATE_INSTALL_CHOOSE_COLDBOOT,
+        STATE_APP_INCOMPATIBLE,
-        STATE_INSTALL_NO_COLDBOOT_ALLOWED,
+        STATE_MAIN_MENU,
         STATE_INSTALL_CONFIRM_DIALOG,
         STATE_INSTALL_STARTED,
         STATE_INSTALL_BACKUP,
         STATE_INSTALL_FST,
         STATE_INSTALL_COS,
         STATE_INSTALL_RPX,
-        STATE_INSTALL_SYSTEM_XML,
         STATE_INSTALL_SUCCESS,
         STATE_REMOVE_CONFIRM_DIALOG,
         STATE_REMOVE_STARTED,
         STATE_REMOVE_COLDBOOT,
         STATE_REMOVE_AROMA,
-        STATE_REMOVE_SUCCESS
+        STATE_REMOVE_SUCCESS,
+        STATE_BOOT_MENU,
+        STATE_BOOT_SWITCH_SYSMENU,
+        STATE_BOOT_SWITCH_AROMA,
+        STATE_BOOT_SWITCH_SUCCESS,
+        STATE_EXIT_SYSMENU,
+        STATE_EXIT_SHUTDOWN,
     };
 
     ApplicationState();
 
     void setError(eErrorState error);
 
+    void changeState(eGameState newState);
+
     void render();
 
     void update(Input *input);
 
     void checkPatchPossible();
 
+    void checkColdbootStatus();
+
     void checkRemovalPossible();
 
     void getAppInformation();
@@ -60,24 +71,23 @@ public:
 
     std::string ErrorDescription();
 
-    void handleError();
-
-    int selectedOption;
-
-    static void printFooter();
-
-    void proccessMenuNavigation(Input *input, int maxOptionValue);
-
-    static bool entrySelected(Input *input);
-
     bool installColdboot = false;
     InstallerService::eResults installerError = InstallerService::eResults::SUCCESS;
 
 private:
+    Menu<eGameState> menu;
+
     bool fstPatchPossible = false;
     bool cosPatchPossible = false;
-    bool systemXMLPatchPossible = false;
+
     bool removalPossible = false;
+    bool installPossible = false;
+    bool alreadyInstalled = false;
+
+    bool systemXMLPatchPossible = false;
+    bool systemXMLPatchAllowed = false;
+    bool systemXMLAlreadyPatched = false;
+    bool systemXMLRestorePossible = false;
 
     eGameState state;
     eErrorState error = ERROR_NONE;

source/InstallerService.cpp

@@ -13,6 +13,7 @@
 #include <cstdlib>
 #include <malloc.h>
 #include <sstream>
+#include <iosuhax.h>
 
 InstallerService::eResults InstallerService::checkCOS(const std::string &path, char *hash) {
     std::string cosFilePath = path + "/code/cos.xml";
@@ -756,3 +757,30 @@ InstallerService::eResults InstallerService::checkFileHash(const std::string &fi
     }
 }
 
+InstallerService::eResults InstallerService::setBootTitle(uint64_t titleId) {
+    InstallerService::eResults result;
+
+    if ((result = checkSystemXML("storage_slc_installer:/config", titleId)) != SUCCESS) {
+        return result;
+    }
+
+    if ((result = patchSystemXML("storage_slc_installer:/config", titleId)) != SUCCESS) {
+        return result;
+    }
+
+    auto fsaFd = IOSUHAX_FSA_Open();
+    if (fsaFd >= 0) {
+        if (IOSUHAX_FSA_FlushVolume(fsaFd, "/vol/storage_mlc01") == 0) {
+            DEBUG_FUNCTION_LINE("Flushed mlc");
+        }
+        if (IOSUHAX_FSA_FlushVolume(fsaFd, "/vol/system") == 0) {
+            DEBUG_FUNCTION_LINE("Flushed slc");
+        }
+        IOSUHAX_FSA_Close(fsaFd);
+    } else {
+        DEBUG_FUNCTION_LINE("Failed to open fsa");
+    }
+
+    return SUCCESS;
+}
+

source/InstallerService.h

@@ -81,6 +81,8 @@ public:
 
     static eResults checkRPXAlreadyValid(const std::string &path, const std::string &hash);
 
+    static eResults setBootTitle(uint64_t titleId);
+
 private:
     static eResults patchFSTData(uint8_t *fstData, uint32_t size);
 

source/Menu.h

@@ -0,0 +1,99 @@
+#pragma once
+
+#include <string>
+#include <functional>
+#include <utility>
+#include <list>
+#include "Input.h"
+#include "WiiUScreen.h"
+#include "ScreenUtils.h"
+#include "VPADInput.h"
+
+template <typename T>
+class Menu {
+public:
+    Menu() {
+        clear();
+    }
+
+    void setOptionsCallback(std::function<void(T)> cb) {
+        callback = cb;
+    }
+
+    void setHeader(const std::string &hdr) {
+        header = hdr;
+    }
+
+    void setFooter(const std::string &ftr) {
+        footer = ftr;
+    }
+
+    void clear() {
+        content.clear();
+        options.clear();
+        selected = 0;
+    }
+
+    void addText(const std::string &text = "") {
+        content.emplace_back(false, text);
+    }
+
+    void addOption(const std::string &text, T data) {
+        content.emplace_back(true, text);
+        options.push_back(data);
+    }
+
+    void render() {
+        int selectedDist = selected;
+        WiiUScreen::clearScreen();
+        printHeader();
+        for (auto &row : content) {
+            std::string cursor = "";
+            if (row.first) {
+                cursor += (selectedDist--) ? "  " : "> ";
+            }
+            drawString(cursor + row.second);
+        }
+        printFooter();
+        WiiUScreen::flipBuffers();
+    }
+
+    void update(const Input *input) {
+        if (input->data.buttons_d & Input::BUTTON_UP) {
+            selected = (selected ? selected : options.size()) - 1;
+        } else if (input->data.buttons_d & Input::BUTTON_DOWN) {
+            selected = (selected < (options.size() - 1)) ? (selected + 1) : 0;
+        }
+
+        if (entrySelected(input)) {
+            auto selectedOption = std::next(options.begin(), selected);
+            callback(*selectedOption);
+        }
+    }
+
+private:
+    void drawString(const std::string &text = "") const {
+        WiiUScreen::drawLine(text.c_str());
+    }
+
+    void printHeader() const {
+        drawString(header);
+        drawString(std::string(header.size() + 3, '='));
+        drawString();
+    }
+
+    void printFooter() const {
+        ScreenUtils::printTextOnScreen(CONSOLE_SCREEN_TV, 0, 27, footer.c_str());
+        ScreenUtils::printTextOnScreen(CONSOLE_SCREEN_DRC, 0, 17, footer.c_str());
+    }
+
+    bool entrySelected(const Input *input) const {
+        return input->data.buttons_d & Input::BUTTON_A;
+    }
+
+    std::function<void(T)> callback;
+    std::string header, footer;
+    std::list<std::pair<bool, std::string>> content;
+    std::list<T> options;
+    size_t selected = 0;
+};