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224 lines
8.9 KiB
Java
224 lines
8.9 KiB
Java
package com.fox2code.mmm.manager;
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import android.content.SharedPreferences;
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import com.fox2code.mmm.MainApplication;
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import com.fox2code.mmm.utils.PropUtils;
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import com.topjohnwu.superuser.Shell;
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import com.topjohnwu.superuser.io.SuFile;
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import java.util.HashMap;
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import java.util.Iterator;
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public final class ModuleManager {
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private static final int FLAG_MM_INVALID = ModuleInfo.FLAG_METADATA_INVALID;
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private static final int FLAG_MM_UNPROCESSED = 0x40000000;
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private static final int FLAGS_RESET_INIT = FLAG_MM_INVALID |
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ModuleInfo.FLAG_MODULE_DISABLED | ModuleInfo.FLAG_MODULE_UPDATING |
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ModuleInfo.FLAG_MODULE_UNINSTALLING | ModuleInfo.FLAG_MODULE_ACTIVE;
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private static final int FLAGS_RESET_UPDATE = FLAG_MM_INVALID | FLAG_MM_UNPROCESSED;
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private final HashMap<String, ModuleInfo> moduleInfos;
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private final HashMap<String, ModuleInfo> invalidModules;
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private final SharedPreferences bootPrefs;
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private final Object scanLock = new Object();
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private boolean scanning, lastScanResult;
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private static final ModuleManager INSTANCE = new ModuleManager();
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public static ModuleManager getINSTANCE() {
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return INSTANCE;
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}
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private ModuleManager() {
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this.moduleInfos = new HashMap<>();
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this.invalidModules = new HashMap<>();
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this.bootPrefs = MainApplication.getBootSharedPreferences();
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}
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// MultiThread friendly method
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public final boolean scan() {
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if (!this.scanning) {
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// Do scan
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synchronized (scanLock) {
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this.scanning = true;
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try {
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this.lastScanResult =
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this.scanInternal();
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} finally {
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this.scanning = false;
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}
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}
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} else {
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// Wait for current scan
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synchronized (scanLock) {}
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}
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return this.lastScanResult;
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}
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// Pause execution until the scan is completed if one is currently running
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public final void afterScan() {
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if (this.scanning) synchronized (this.scanLock) {}
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}
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public final void runAfterScan(Runnable runnable) {
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synchronized (this.scanLock) {
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runnable.run();
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}
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}
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private boolean scanInternal() {
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boolean firstScan = this.bootPrefs.getBoolean("mm_first_scan", true);
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boolean changed = false;
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SharedPreferences.Editor editor = firstScan ? this.bootPrefs.edit() : null;
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// Reset existing ModuleInfo
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this.moduleInfos.putAll(this.invalidModules);
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this.invalidModules.clear();
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for (ModuleInfo v : this.moduleInfos.values()) {
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v.flags |= FLAG_MM_UNPROCESSED;
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v.flags &= ~FLAGS_RESET_INIT;
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v.name = v.id;
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v.version = null;
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v.versionCode = 0;
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v.author = null;
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v.description = "No description found.";
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v.support = null;
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v.config = null;
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}
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String[] modules = new SuFile("/data/adb/modules").list();
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if (modules != null) {
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for (String module : modules) {
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ModuleInfo moduleInfo = moduleInfos.get(module);
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if (moduleInfo == null) {
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moduleInfo = new ModuleInfo(module);
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moduleInfos.put(module, moduleInfo);
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changed = true;
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// Shis should not really happen, but let's handles theses cases anyway
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moduleInfo.flags |= ModuleInfo.FLAG_MODULE_UPDATING_ONLY;
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}
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moduleInfo.flags &= ~FLAGS_RESET_UPDATE;
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boolean disabled = new SuFile(
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"/data/adb/modules/" + module + "/disable").exists();
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if (disabled) {
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moduleInfo.flags |= ModuleInfo.FLAG_MODULE_DISABLED;
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} else {
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if (firstScan) {
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moduleInfo.flags |= ModuleInfo.FLAG_MODULE_ACTIVE;
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editor.putBoolean("module_" + moduleInfo.id + "_active", true);
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} else if (bootPrefs.getBoolean("module_" + moduleInfo.id + "_active", false)) {
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moduleInfo.flags |= ModuleInfo.FLAG_MODULE_ACTIVE;
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}
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}
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boolean uninstalling = new SuFile(
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"/data/adb/modules/" + module + "/remove").exists();
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if (uninstalling) {
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moduleInfo.flags |= ModuleInfo.FLAG_MODULE_UNINSTALLING;
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}
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try {
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PropUtils.readProperties(moduleInfo,
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"/data/adb/modules/" + module + "/module.prop");
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} catch (Exception e) {
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moduleInfo.flags |= FLAG_MM_INVALID;
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}
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}
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}
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String[] modules_update = new SuFile("/data/adb/modules_update").list();
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if (modules_update != null) {
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for (String module : modules_update) {
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ModuleInfo moduleInfo = moduleInfos.get(module);
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if (moduleInfo == null) {
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moduleInfo = new ModuleInfo(module);
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moduleInfos.put(module, moduleInfo);
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changed = true;
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}
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moduleInfo.flags &= ~FLAGS_RESET_UPDATE;
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moduleInfo.flags |= ModuleInfo.FLAG_MODULE_UPDATING;
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try {
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PropUtils.readProperties(moduleInfo,
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"/data/adb/modules_update/" + module + "/module.prop");
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} catch (Exception e) {
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moduleInfo.flags |= FLAG_MM_INVALID;
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}
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}
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}
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Iterator<ModuleInfo> moduleInfoIterator =
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this.moduleInfos.values().iterator();
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while (moduleInfoIterator.hasNext()) {
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ModuleInfo moduleInfo = moduleInfoIterator.next();
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if ((moduleInfo.flags & FLAG_MM_UNPROCESSED) != 0) {
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moduleInfoIterator.remove();
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continue; // Don't process fallbacks if unreferenced
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} else if ((moduleInfo.flags & FLAG_MM_INVALID) != 0) {
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moduleInfo.flags &=~ FLAG_MM_INVALID;
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this.invalidModules.put(moduleInfo.id, moduleInfo);
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moduleInfoIterator.remove();
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}
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if (moduleInfo.name == null || (moduleInfo.name.equals(moduleInfo.id))) {
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moduleInfo.name = Character.toUpperCase(moduleInfo.id.charAt(0)) +
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moduleInfo.id.substring(1).replace('_', ' ');
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}
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if (moduleInfo.version == null) {
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moduleInfo.version = "v" + moduleInfo.versionCode;
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}
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}
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if (firstScan) {
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editor.putBoolean("mm_first_scan", false);
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editor.apply();
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}
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return changed;
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}
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public HashMap<String, ModuleInfo> getModules() {
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this.afterScan();
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return this.moduleInfos;
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}
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public HashMap<String, ModuleInfo> getInvalidModules() {
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this.afterScan();
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return invalidModules;
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}
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public boolean setEnabledState(ModuleInfo moduleInfo, boolean checked) {
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if (moduleInfo.hasFlag(ModuleInfo.FLAG_MODULE_UPDATING) && !checked) return false;
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SuFile disable = new SuFile("/data/adb/modules/" + moduleInfo.id + "/disable");
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if (checked) {
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if (disable.exists() && !disable.delete()) {
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moduleInfo.flags |= ModuleInfo.FLAG_MODULE_DISABLED;
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return false;
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}
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moduleInfo.flags &= ~ModuleInfo.FLAG_MODULE_DISABLED;
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} else {
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if (!disable.exists() && !disable.createNewFile()) {
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return false;
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}
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moduleInfo.flags |= ModuleInfo.FLAG_MODULE_DISABLED;
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}
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return true;
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}
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public boolean setUninstallState(ModuleInfo moduleInfo, boolean checked) {
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if (checked && moduleInfo.hasFlag(ModuleInfo.FLAG_MODULE_UPDATING)) return false;
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SuFile disable = new SuFile("/data/adb/modules/" + moduleInfo.id + "/remove");
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if (checked) {
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if (!disable.exists() && !disable.createNewFile()) {
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return false;
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}
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moduleInfo.flags |= ModuleInfo.FLAG_MODULE_UNINSTALLING;
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} else {
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if (disable.exists() && !disable.delete()) {
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moduleInfo.flags |= ModuleInfo.FLAG_MODULE_UNINSTALLING;
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return false;
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}
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moduleInfo.flags &= ~ModuleInfo.FLAG_MODULE_UNINSTALLING;
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}
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return true;
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}
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public boolean masterClear(ModuleInfo moduleInfo) {
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if (moduleInfo.hasFlag(ModuleInfo.FLAG_MODULE_ACTIVE)) return false;
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Shell.su("rm -rf /data/adb/modules/" + moduleInfo.id + "/").exec();
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Shell.su("rm -rf /data/adb/modules_update/" + moduleInfo.id + "/").exec();
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moduleInfo.flags = ModuleInfo.FLAG_METADATA_INVALID;
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return true;
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}
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}
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