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/*
* Copyright (C) 2012 The CyanogenMod 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.cyanogenmod.filemanager.activities.preferences;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.os.Bundle;
import android.preference.Preference;
import android.preference.Preference.OnPreferenceChangeListener;
import android.preference.Preference.OnPreferenceClickListener;
import android.preference.SwitchPreference;
import android.util.Log;
import com.cyanogenmod.filemanager.R;
import com.cyanogenmod.filemanager.console.secure.SecureConsole;
import com.cyanogenmod.filemanager.preferences.FileManagerSettings;
import com.cyanogenmod.filemanager.preferences.Preferences;
/**
* A class that manages the storage options
*/
public class StoragePreferenceFragment extends TitlePreferenceFragment {
private static final String TAG = "StoragePreferenceFragment"; //$NON-NLS-1$
private static final boolean DEBUG = false;
private static final String KEY_RESET_PASSWORD = "secure_storage_reset_password";
private static final String KEY_DELETE_STORAGE = "secure_storage_delete_storage";
private Preference mResetPassword;
private Preference mDeleteStorage;
private SwitchPreference mDelayedSync;
private final BroadcastReceiver mMountStatusReceiver = new BroadcastReceiver() {
@Override
public void onReceive(Context context, Intent intent) {
if (intent.getAction().compareTo(
FileManagerSettings.INTENT_MOUNT_STATUS_CHANGED) == 0) {
updatePreferences();
}
}
};
private final OnPreferenceChangeListener mOnChangeListener =
new OnPreferenceChangeListener() {
@Override
public boolean onPreferenceChange(Preference preference, Object newValue) {
String key = preference.getKey();
if (DEBUG) {
Log.d(TAG,
String.format("New value for %s: %s", //$NON-NLS-1$
key,
String.valueOf(newValue)));
}
return true;
}
};
private final OnPreferenceClickListener mOnClickListener = new OnPreferenceClickListener() {
@Override
public boolean onPreferenceClick(Preference preference) {
if (preference.equals(mResetPassword)) {
getSecureConsole().requestReset(getActivity());
} else if (preference.equals(mDeleteStorage)) {
getSecureConsole().requestDelete(getActivity());
}
return false;
}
};
@Override
public void onStart() {
super.onStart();
IntentFilter filter = new IntentFilter();
filter.addAction(FileManagerSettings.INTENT_MOUNT_STATUS_CHANGED);
getActivity().registerReceiver(mMountStatusReceiver, filter);
}
@Override
public void onStop() {
super.onStop();
getActivity().unregisterReceiver(mMountStatusReceiver);
}
@Override
public void onResume() {
super.onResume();
// Update the preferences
updatePreferences();
}
@Override
public void onPause() {
super.onPause();
}
/**
* {@inheritDoc}
*/
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
// Change the preference manager
getPreferenceManager().setSharedPreferencesName(Preferences.SETTINGS_FILENAME);
getPreferenceManager().setSharedPreferencesMode(Context.MODE_PRIVATE);
// Add the preferences
addPreferencesFromResource(R.xml.preferences_storage);
// Reset password
mResetPassword = findPreference(KEY_RESET_PASSWORD);
mResetPassword.setOnPreferenceClickListener(mOnClickListener);
// Delete storage
mDeleteStorage = findPreference(KEY_DELETE_STORAGE);
mDeleteStorage.setOnPreferenceClickListener(mOnClickListener);
// Delayed sync
this.mDelayedSync =
(SwitchPreference)findPreference(
FileManagerSettings.SETTINGS_SECURE_STORAGE_DELAYED_SYNC.getId());
this.mDelayedSync.setOnPreferenceChangeListener(this.mOnChangeListener);
// Update the preferences
updatePreferences();
}
/**
* {@inheritDoc}
*/
@Override
public CharSequence getTitle() {
return getString(R.string.pref_storage);
}
/**
* Method that returns the secure console instance
*
* @return SecureConsole The secure console
*/
private SecureConsole getSecureConsole() {
int bufferSize = getActivity().getResources().getInteger(R.integer.buffer_size);
return SecureConsole.getInstance(getActivity(), bufferSize);
}
/**
* Check the preferences status
*/
@SuppressWarnings("deprecation")
private void updatePreferences() {
boolean secureStorageExists = SecureConsole.getSecureStorageRoot().getFile().exists();
if (mResetPassword != null) {
mResetPassword.setEnabled(secureStorageExists);
}
if (mDeleteStorage != null) {
mDeleteStorage.setEnabled(secureStorageExists);
}
}
}
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