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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.android.settings.inputmethod;
import android.content.ContentResolver;
import android.content.Context;
import android.content.Intent;
import android.content.pm.ApplicationInfo;
import android.content.pm.PackageManager;
import android.content.pm.PackageManager.NameNotFoundException;
import android.content.pm.ResolveInfo;
import android.content.res.Resources;
import android.os.Bundle;
import android.preference.ListPreference;
import android.preference.Preference;
import android.preference.PreferenceScreen;
import android.provider.Settings;
import com.android.settings.R;
import com.android.settings.SettingsPreferenceFragment;
import com.android.internal.logging.MetricsLogger;
import java.util.Collections;
import java.util.List;
public class StylusGestures extends SettingsPreferenceFragment implements
Preference.OnPreferenceChangeListener {
public static final String TAG = "Stylus Gestures";
public static final String KEY_SPEN_LEFT = "gestures_left";
public static final String KEY_SPEN_RIGHT = "gestures_right";
public static final String KEY_SPEN_UP = "gestures_up";
public static final String KEY_SPEN_DOWN = "gestures_down";
public static final String KEY_SPEN_LONG = "gestures_long";
public static final String KEY_SPEN_DOUBLE = "gestures_double";
public static final int KEY_NO_ACTION = 1000;
public static final String TEXT_NO_ACTION = "No Action";
private ListPreference mSwipeLeft;
private ListPreference mSwipeRight;
private ListPreference mSwipeUp;
private ListPreference mSwipeDown;
private ListPreference mSwipeLong;
private ListPreference mSwipeDouble;
private Context mContext;
private ContentResolver mResolver;
private String[] mActionNames;
private String[] mActionValues;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
addPreferencesFromResource(R.xml.gestures_prefs);
mContext = getActivity();
mResolver = getContentResolver();
Resources resources = mContext.getResources();
mActionNames = resources.getStringArray(R.array.gestures_entries);
mActionValues = resources.getStringArray(R.array.gestures_values);
// Setup the gestures
mSwipeLeft = setupGesturePref(KEY_SPEN_LEFT, Settings.System.GESTURES_LEFT_SWIPE);
mSwipeRight = setupGesturePref(KEY_SPEN_RIGHT, Settings.System.GESTURES_RIGHT_SWIPE);
mSwipeUp = setupGesturePref(KEY_SPEN_UP, Settings.System.GESTURES_UP_SWIPE);
mSwipeDown = setupGesturePref(KEY_SPEN_DOWN, Settings.System.GESTURES_DOWN_SWIPE);
mSwipeLong = setupGesturePref(KEY_SPEN_LONG, Settings.System.GESTURES_LONG_PRESS);
mSwipeDouble = setupGesturePref(KEY_SPEN_DOUBLE, Settings.System.GESTURES_DOUBLE_TAP);
}
@Override
protected int getMetricsCategory() {
return MetricsLogger.DONT_TRACK_ME_BRO;
}
private ListPreference setupGesturePref(String key, String settingName) {
ListPreference pref = (ListPreference) findPreference(key);
String setting = Settings.System.getString(mResolver, settingName);
addApplicationEntries(pref, setting);
pref.setOnPreferenceChangeListener(this);
return pref;
}
@Override
public boolean onPreferenceChange(Preference preference, Object newValue) {
String settingName = null;
if (preference == mSwipeLeft) {
settingName = Settings.System.GESTURES_LEFT_SWIPE;
} else if (preference == mSwipeRight) {
settingName = Settings.System.GESTURES_RIGHT_SWIPE;
} else if (preference == mSwipeUp) {
settingName = Settings.System.GESTURES_UP_SWIPE;
} else if (preference == mSwipeDown) {
settingName = Settings.System.GESTURES_DOWN_SWIPE;
} else if (preference == mSwipeLong) {
settingName = Settings.System.GESTURES_LONG_PRESS;
} else if (preference == mSwipeDouble) {
settingName = Settings.System.GESTURES_DOUBLE_TAP;
} else {
return false;
}
String packageName = newValue.toString();
Settings.System.putString(mResolver, settingName, packageName);
setPrefValue((ListPreference)preference, packageName);
return true;
}
private String mapUpdateValue(String time) {
for (int i = 0; i < mActionValues.length; i++) {
if (mActionValues[i].equalsIgnoreCase(time)) {
return mActionNames[i];
}
}
return null;
}
private void setPrefValue(ListPreference pref, String packageName) {
if (packageName == null) {
packageName = String.valueOf(KEY_NO_ACTION);
}
String text = mapUpdateValue(packageName);
if (text != null) {
pref.setValue(packageName);
pref.setSummary(text);
} else {
CharSequence appName = getAppName(packageName);
if (appName != null) {
pref.setValue(packageName);
pref.setSummary(appName);
} else {
pref.setSummary(mContext.getString(R.string.stylus_app_not_installed,
packageName));
}
}
}
private void addApplicationEntries(ListPreference pref, String packageName) {
PackageManager pm = getPackageManager();
Intent intent = new Intent(Intent.ACTION_MAIN, null);
intent.addCategory(Intent.CATEGORY_LAUNCHER);
List<ResolveInfo> list = pm.queryIntentActivities(intent,
PackageManager.PERMISSION_GRANTED);
Collections.sort(list, new ResolveInfo.DisplayNameComparator(pm));
int count = list.size() + mActionValues.length;
CharSequence[] entries = new CharSequence[count];
CharSequence[] values = new CharSequence[count];
// Step 1: copy in predefined actions
for (int i = 0; i < mActionValues.length; i++) {
entries[i] = mActionNames[i];
values[i] = mActionValues[i];
}
// Step 2: copy in resolved activities
for (int i = mActionValues.length; i < count; i++) {
ResolveInfo info = list.get(i - mActionValues.length);
CharSequence label = info.loadLabel(pm);
if (label == null) {
label = info.activityInfo.name;
}
entries[i] = label;
values[i] = info.activityInfo.applicationInfo.packageName;
}
pref.setEntries(entries);
pref.setEntryValues(values);
setPrefValue(pref, packageName);
}
private CharSequence getAppName(String packageName) {
final PackageManager pm = mContext.getPackageManager();
ApplicationInfo ai;
try {
ai = pm.getApplicationInfo(packageName, 0);
} catch (final NameNotFoundException e) {
ai = null;
}
if (ai != null) {
return pm.getApplicationLabel(ai);
}
return null;
}
}
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