1 files changed, 304 insertions, 0 deletions
diff --git a/src/com/android/settings/SecuritySettings.java b/src/com/android/settings/SecuritySettings.java
new file mode 100644
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+++ b/src/com/android/settings/SecuritySettings.java
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+/*
+ * Copyright (C) 2007 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settings;
+
+
+import android.app.Activity;
+import android.content.Context;
+import android.content.Intent;
+import android.content.SharedPreferences;
+import android.location.LocationManager;
+import android.os.Bundle;
+import android.preference.CheckBoxPreference;
+import android.preference.Preference;
+import android.preference.PreferenceActivity;
+import android.preference.PreferenceCategory;
+import android.preference.PreferenceScreen;
+import android.provider.Settings;
+import android.util.Config;
+import android.util.Log;
+
+import com.android.internal.widget.LockPatternUtils;
+
+/**
+ * Gesture lock pattern settings.
+ */
+public class SecuritySettings extends PreferenceActivity
+    implements SharedPreferences.OnSharedPreferenceChangeListener {
+
+    // Lock Settings
+    
+    private static final String KEY_LOCK_ENABLED = "lockenabled";
+    private static final String KEY_VISIBLE_PATTERN = "visiblepattern";
+    private static final String KEY_TACTILE_FEEDBACK_ENABLED = "tactilefeedback";
+    private static final int CONFIRM_PATTERN_THEN_DISABLE_REQUEST_CODE = 55;
+    private static final int CONFIRM_PATTERN_THEN_ENABLE_REQUEST_CODE = 56;
+
+    private LockPatternUtils mLockPatternUtils;
+    private CheckBoxPreference mLockEnabled;
+    private CheckBoxPreference mVisiblePattern;
+    private CheckBoxPreference mTactileFeedback;
+    private Preference mChoosePattern;
+
+    private CheckBoxPreference mShowPassword;
+    
+    // Location Settings
+    
+    private static final String LOCATION_NETWORK = "location_network";
+    private static final String LOCATION_GPS = "location_gps";
+
+    private CheckBoxPreference mNetwork;
+    private CheckBoxPreference mGps;
+    private LocationManager mLocationManager;
+    
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        addPreferencesFromResource(R.xml.security_settings);
+
+        mLockPatternUtils = new LockPatternUtils(getContentResolver());
+
+        createPreferenceHierarchy();
+        
+        // Get the available location providers
+        mLocationManager = (LocationManager)
+            getSystemService(Context.LOCATION_SERVICE);
+
+        mNetwork = (CheckBoxPreference) getPreferenceScreen().findPreference(LOCATION_NETWORK);
+        mGps = (CheckBoxPreference) getPreferenceScreen().findPreference(LOCATION_GPS);
+        getPreferenceScreen().getSharedPreferences().registerOnSharedPreferenceChangeListener(this);
+        updateToggles();
+    }
+
+    private PreferenceScreen createPreferenceHierarchy() {
+        // Root
+        PreferenceScreen root = this.getPreferenceScreen();
+
+        // Inline preferences
+        PreferenceCategory inlinePrefCat = new PreferenceCategory(this);
+        inlinePrefCat.setTitle(R.string.lock_settings_title);
+        root.addPreference(inlinePrefCat);
+
+        // autolock toggle
+        mLockEnabled = new LockEnabledPref(this);
+        mLockEnabled.setTitle(R.string.lockpattern_settings_enable_title);
+        mLockEnabled.setSummary(R.string.lockpattern_settings_enable_summary);
+        mLockEnabled.setKey(KEY_LOCK_ENABLED);
+        inlinePrefCat.addPreference(mLockEnabled);
+
+        // visible pattern
+        mVisiblePattern = new CheckBoxPreference(this);
+        mVisiblePattern.setKey(KEY_VISIBLE_PATTERN);
+        mVisiblePattern.setTitle(R.string.lockpattern_settings_enable_visible_pattern_title);
+        inlinePrefCat.addPreference(mVisiblePattern);
+
+        // tactile feedback
+        mTactileFeedback = new CheckBoxPreference(this);
+        mTactileFeedback.setKey(KEY_TACTILE_FEEDBACK_ENABLED);
+        mTactileFeedback.setTitle(R.string.lockpattern_settings_enable_tactile_feedback_title);
+        inlinePrefCat.addPreference(mTactileFeedback);
+
+        // change pattern lock
+        Intent intent = new Intent();
+        intent.setClassName("com.android.settings",
+                    "com.android.settings.ChooseLockPatternTutorial");
+        mChoosePattern = getPreferenceManager().createPreferenceScreen(this);
+        mChoosePattern.setIntent(intent);
+        inlinePrefCat.addPreference(mChoosePattern);
+        
+        PreferenceScreen simLockPreferences = getPreferenceManager()
+                .createPreferenceScreen(this);
+        simLockPreferences.setTitle(R.string.sim_lock_settings_category);
+        // Intent to launch SIM lock settings
+        intent = new Intent();
+        intent.setClassName("com.android.settings", "com.android.settings.SimLockSettings");
+        simLockPreferences.setIntent(intent);
+        
+        PreferenceCategory simLockCat = new PreferenceCategory(this);
+        simLockCat.setTitle(R.string.sim_lock_settings_title);
+        root.addPreference(simLockCat);
+        simLockCat.addPreference(simLockPreferences);
+
+        // Passwords
+        PreferenceCategory passwordsCat = new PreferenceCategory(this);
+        passwordsCat.setTitle(R.string.security_passwords_title);
+        root.addPreference(passwordsCat);
+        
+        CheckBoxPreference showPassword = mShowPassword = new CheckBoxPreference(this);
+        showPassword.setKey("show_password");
+        showPassword.setTitle(R.string.show_password);
+        showPassword.setSummary(R.string.show_password_summary);
+        showPassword.setPersistent(false);
+        passwordsCat.addPreference(showPassword);
+        
+        return root;
+    }
+
+    @Override
+    protected void onResume() {
+        super.onResume();
+
+        boolean patternExists = mLockPatternUtils.savedPatternExists();
+        mLockEnabled.setEnabled(patternExists);
+        mVisiblePattern.setEnabled(patternExists);
+        mTactileFeedback.setEnabled(patternExists);
+
+        mLockEnabled.setChecked(mLockPatternUtils.isLockPatternEnabled());
+        mVisiblePattern.setChecked(mLockPatternUtils.isVisiblePatternEnabled());
+        mTactileFeedback.setChecked(mLockPatternUtils.isTactileFeedbackEnabled());
+
+        int chooseStringRes = mLockPatternUtils.savedPatternExists() ?
+                R.string.lockpattern_settings_change_lock_pattern :
+                R.string.lockpattern_settings_choose_lock_pattern;
+        mChoosePattern.setTitle(chooseStringRes);
+        
+        mShowPassword
+                .setChecked(Settings.System.getInt(getContentResolver(),
+                Settings.System.TEXT_SHOW_PASSWORD, 1) != 0);
+    }
+
+    @Override
+    public boolean onPreferenceTreeClick(PreferenceScreen preferenceScreen,
+            Preference preference) {
+        final String key = preference.getKey();
+
+        if (KEY_LOCK_ENABLED.equals(key)) {
+            mLockPatternUtils.setLockPatternEnabled(isToggled(preference));
+        } else if (KEY_VISIBLE_PATTERN.equals(key)) {
+            mLockPatternUtils.setVisiblePatternEnabled(isToggled(preference));
+        } else if (KEY_TACTILE_FEEDBACK_ENABLED.equals(key)) {
+            mLockPatternUtils.setTactileFeedbackEnabled(isToggled(preference));
+        } else if (preference == mShowPassword) {
+            Settings.System.putInt(getContentResolver(), Settings.System.TEXT_SHOW_PASSWORD,
+                    mShowPassword.isChecked() ? 1 : 0);
+        }
+        
+        return false;
+    }
+
+    /*
+     * Creates toggles for each available location provider
+     */
+    private void updateToggles() {
+        String providers = getAllowedProviders();
+        mNetwork.setChecked(providers.contains(LocationManager.NETWORK_PROVIDER));
+        mGps.setChecked(providers.contains(LocationManager.GPS_PROVIDER));
+    }
+
+    private void updateProviders() {
+        String preferredProviders = "";
+        if (mNetwork.isChecked()) {
+            preferredProviders += LocationManager.NETWORK_PROVIDER;
+        }
+        if (mGps.isChecked()) {
+            preferredProviders += "," + LocationManager.GPS_PROVIDER;
+        }
+        setProviders(preferredProviders);
+    }
+
+    private void setProviders(String providers) {
+        // Update the secure setting LOCATION_PROVIDERS_ALLOWED
+        Settings.Secure.putString(getContentResolver(),
+            Settings.Secure.LOCATION_PROVIDERS_ALLOWED, providers);
+        if (Config.LOGV) {
+            Log.v("Location Accuracy", "Setting LOCATION_PROVIDERS_ALLOWED = " + providers);
+        }
+        // Inform the location manager about the changes
+        mLocationManager.updateProviders();
+    }
+
+    /**
+     * @return string containing a list of providers that have been enabled for use
+     */
+    private String getAllowedProviders() {
+        String allowedProviders =
+            Settings.Secure.getString(getContentResolver(),
+                Settings.Secure.LOCATION_PROVIDERS_ALLOWED);
+        if (allowedProviders == null) {
+            allowedProviders = "";
+        }
+        return allowedProviders;
+    }
+
+    public void onSharedPreferenceChanged(SharedPreferences preferences, String key) {
+        if (LOCATION_NETWORK.equals(key) || LOCATION_GPS.equals(key)) {
+            updateProviders();
+        }
+    }
+
+    private boolean isToggled(Preference pref) {
+        return ((CheckBoxPreference) pref).isChecked();
+    }
+
+
+    /**
+     * For the user to disable keyguard, we first make them verify their
+     * existing pattern.
+     */
+    private class LockEnabledPref extends CheckBoxPreference {
+
+        public LockEnabledPref(Context context) {
+            super(context);
+        }
+
+        @Override
+        protected void onClick() {
+            if (mLockPatternUtils.savedPatternExists()) {
+                if (isChecked()) {
+                    confirmPatternThenDisable();
+                } else {
+                    confirmPatternThenEnable();
+                }
+            } else {
+                super.onClick();
+            }
+        }
+    }
+
+    private void confirmPatternThenEnable() {
+        final Intent intent = new Intent();
+        intent.setClassName("com.android.settings", "com.android.settings.ConfirmLockPattern");
+        startActivityForResult(intent, CONFIRM_PATTERN_THEN_ENABLE_REQUEST_CODE);
+    }
+
+    /**
+     * Launch screen to confirm the existing lock pattern.
+     * @see #onActivityResult(int, int, android.content.Intent)
+     */
+    private void confirmPatternThenDisable() {
+        final Intent intent = new Intent();
+        intent.setClassName("com.android.settings", "com.android.settings.ConfirmLockPattern");
+        startActivityForResult(intent, CONFIRM_PATTERN_THEN_DISABLE_REQUEST_CODE);
+    }
+
+    /**
+     * @see #confirmPatternThenDisable
+     */
+    @Override
+    protected void onActivityResult(int requestCode, int resultCode,
+            Intent data) {
+        super.onActivityResult(requestCode, resultCode, data);
+
+        final boolean resultOk = resultCode == Activity.RESULT_OK;
+
+        if ((requestCode == CONFIRM_PATTERN_THEN_DISABLE_REQUEST_CODE) && resultOk) {
+            mLockPatternUtils.setLockPatternEnabled(false);
+        } else if ((requestCode == CONFIRM_PATTERN_THEN_ENABLE_REQUEST_CODE) && resultOk) {
+            mLockPatternUtils.setLockPatternEnabled(true);
+        }
+    }
+}