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/*
* Copyright (C) 2015 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.applications;
import android.app.AlertDialog;
import android.content.ComponentName;
import android.content.DialogInterface;
import android.os.Bundle;
import android.os.Handler;
import android.preference.Preference;
import android.preference.SwitchPreference;
import android.provider.Settings;
import com.android.internal.logging.MetricsLogger;
import com.android.settings.InstrumentedFragment;
import com.android.settings.R;
import com.android.settings.SettingsPreferenceFragment;
import com.android.settings.voice.VoiceInputListPreference;
/**
* Settings screen to manage everything about assist.
*/
public class ManageAssist extends SettingsPreferenceFragment
implements Preference.OnPreferenceChangeListener {
private static final String KEY_DEFAULT_ASSIST = "default_assist";
private static final String KEY_CONTEXT = "context";
private static final String KEY_SCREENSHOT = "screenshot";
private static final String KEY_VOICE_INPUT = "voice_input_settings";
private DefaultAssistPreference mDefaultAssitPref;
private SwitchPreference mContextPref;
private SwitchPreference mScreenshotPref;
private VoiceInputListPreference mVoiceInputPref;
private Handler mHandler = new Handler();
@Override
public void onCreate(Bundle icicle) {
super.onCreate(icicle);
addPreferencesFromResource(R.xml.manage_assist);
mDefaultAssitPref = (DefaultAssistPreference) findPreference(KEY_DEFAULT_ASSIST);
mDefaultAssitPref.setOnPreferenceChangeListener(this);
mContextPref = (SwitchPreference) findPreference(KEY_CONTEXT);
mContextPref.setChecked(Settings.Secure.getInt(getContentResolver(),
Settings.Secure.ASSIST_STRUCTURE_ENABLED, 1) != 0);
mContextPref.setOnPreferenceChangeListener(this);
mScreenshotPref = (SwitchPreference) findPreference(KEY_SCREENSHOT);
mScreenshotPref.setChecked(Settings.Secure.getInt(getContentResolver(),
Settings.Secure.ASSIST_SCREENSHOT_ENABLED, 1) != 0);
mScreenshotPref.setOnPreferenceChangeListener(this);
mVoiceInputPref = (VoiceInputListPreference) findPreference(KEY_VOICE_INPUT);
updateUi();
}
@Override
protected int getMetricsCategory() {
return MetricsLogger.APPLICATIONS_MANAGE_ASSIST;
}
@Override
public boolean onPreferenceChange(Preference preference, Object newValue) {
if (preference == mContextPref) {
Settings.Secure.putInt(getContentResolver(), Settings.Secure.ASSIST_STRUCTURE_ENABLED,
(boolean) newValue ? 1 : 0);
postUpdateUi();
return true;
}
if (preference == mScreenshotPref) {
Settings.Secure.putInt(getContentResolver(), Settings.Secure.ASSIST_SCREENSHOT_ENABLED,
(boolean) newValue ? 1 : 0);
return true;
}
if (preference == mDefaultAssitPref) {
String newAssitPackage = (String)newValue;
if (newAssitPackage == null ||
newAssitPackage.contentEquals(DefaultAssistPreference.ITEM_NONE_VALUE)) {
setDefaultAssist(DefaultAssistPreference.ITEM_NONE_VALUE);
return false;
}
final String currentPackage = mDefaultAssitPref.getValue();
if (currentPackage == null || !newAssitPackage.contentEquals(currentPackage)) {
confirmNewAssist(newAssitPackage);
}
return false;
}
return false;
}
private void postUpdateUi() {
mHandler.post(new Runnable() {
@Override
public void run() {
updateUi();
}
});
}
private void updateUi() {
mDefaultAssitPref.refreshAssistApps();
mVoiceInputPref.refreshVoiceInputs();
final ComponentName currentAssist = mDefaultAssitPref.getCurrentAssist();
final boolean hasAssistant = currentAssist != null;
if (hasAssistant) {
getPreferenceScreen().addPreference(mContextPref);
getPreferenceScreen().addPreference(mScreenshotPref);
} else {
getPreferenceScreen().removePreference(mContextPref);
getPreferenceScreen().removePreference(mScreenshotPref);
}
if (isCurrentAssistVoiceService()) {
getPreferenceScreen().removePreference(mVoiceInputPref);
} else {
getPreferenceScreen().addPreference(mVoiceInputPref);
mVoiceInputPref.setAssistRestrict(currentAssist);
}
mScreenshotPref.setEnabled(mContextPref.isChecked());
if (!mContextPref.isChecked()) {
mScreenshotPref.setChecked(false);
}
}
private boolean isCurrentAssistVoiceService() {
ComponentName currentAssist = mDefaultAssitPref.getCurrentAssist();
ComponentName activeService = mVoiceInputPref.getCurrentService();
return currentAssist == null && activeService == null ||
currentAssist != null && currentAssist.equals(activeService);
}
private void confirmNewAssist(final String newAssitPackage) {
final int selected = mDefaultAssitPref.findIndexOfValue(newAssitPackage);
final CharSequence appLabel = mDefaultAssitPref.getEntries()[selected];
final String title = getString(R.string.assistant_security_warning_title, appLabel);
final String message = getString(R.string.assistant_security_warning, appLabel);
final DialogInterface.OnClickListener onAgree = new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
setDefaultAssist(newAssitPackage);
}
};
AlertDialog.Builder builder = new AlertDialog.Builder(getContext());
builder.setTitle(title)
.setMessage(message)
.setCancelable(true)
.setPositiveButton(R.string.assistant_security_warning_agree, onAgree)
.setNegativeButton(R.string.assistant_security_warning_disagree, null);
AlertDialog dialog = builder.create();
dialog.show();
}
private void setDefaultAssist(String assistPackage) {
mDefaultAssitPref.setValue(assistPackage);
updateUi();
}
}
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