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/*
* Copyright (C) 2008 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.content.Intent;
import android.content.pm.ActivityInfo;
import android.content.pm.PackageManager;
import android.content.pm.PackageManager.NameNotFoundException;
import android.os.Bundle;
import android.preference.PreferenceActivity;
import java.util.HashMap;
import java.util.List;
/**
* Top-level settings activity to handle single pane and double pane UI layout.
*/
public class Settings extends PreferenceActivity {
private static final String META_DATA_KEY_HEADER_ID =
"com.android.settings.TOP_LEVEL_HEADER_ID";
private static final String META_DATA_KEY_FRAGMENT_CLASS =
"com.android.settings.FRAGMENT_CLASS";
private String mFragmentClass;
private int mTopLevelHeaderId;
// TODO: Update Call Settings based on airplane mode state.
protected HashMap<Integer, Integer> mHeaderIndexMap = new HashMap<Integer, Integer>();
@Override
protected void onCreate(Bundle savedInstanceState) {
getMetaData();
super.onCreate(savedInstanceState);
// TODO: Do this only if 2-pane mode
highlightHeader();
}
private void highlightHeader() {
if (mTopLevelHeaderId != 0) {
Integer index = mHeaderIndexMap.get(mTopLevelHeaderId);
if (index != null) {
getListView().setItemChecked(index, true);
}
}
}
@Override
public Intent getIntent() {
String startingFragment = getStartingFragmentClass(super.getIntent());
if (startingFragment != null && !onIsMultiPane()) {
Intent modIntent = new Intent(super.getIntent());
modIntent.putExtra(EXTRA_SHOW_FRAGMENT, startingFragment);
Bundle args = super.getIntent().getExtras();
if (args != null) {
args = new Bundle(args);
} else {
args = new Bundle();
}
args.putParcelable("intent", super.getIntent());
modIntent.putExtra(EXTRA_SHOW_FRAGMENT_ARGUMENTS, super.getIntent().getExtras());
return modIntent;
}
return super.getIntent();
}
/**
* Checks if the component name in the intent is different from the Settings class and
* returns the class name to load as a fragment.
*/
protected String getStartingFragmentClass(Intent intent) {
if (mFragmentClass != null) return mFragmentClass;
String intentClass = intent.getComponent().getClassName();
if (intentClass.equals(getClass().getName())) return null;
if ("com.android.settings.ManageApplications".equals(intentClass)
|| "com.android.settings.RunningServices".equals(intentClass)
|| "com.android.settings.applications.StorageUse".equals(intentClass)) {
// Old name of manage apps.
intentClass = com.android.settings.applications.ManageApplications.class.getName();
}
return intentClass;
}
/**
* Override initial header when an activity-alias is causing Settings to be launched
* for a specific fragment encoded in the android:name parameter.
*/
@Override
public Header onGetInitialHeader() {
String fragmentClass = getStartingFragmentClass(super.getIntent());
if (fragmentClass != null) {
Header header = new Header();
header.fragment = fragmentClass;
header.fragmentArguments = getIntent().getExtras();
return header;
}
return super.onGetInitialHeader();
}
/**
* Populate the activity with the top-level headers.
*/
@Override
public void onBuildHeaders(List<Header> target) {
loadHeadersFromResource(R.xml.settings_headers, target);
updateHeaderList(target);
}
private void updateHeaderList(List<Header> target) {
int i = 0;
while (i < target.size()) {
Header header = target.get(i);
// Ids are integers, so downcasting
int id = (int) header.id;
if (id == R.id.dock_settings) {
if (!needsDockSettings())
target.remove(header);
} else if (id == R.id.operator_settings || id == R.id.manufacturer_settings) {
Utils.updateHeaderToSpecificActivityFromMetaDataOrRemove(this, target, header);
} else if (id == R.id.call_settings) {
if (!Utils.isVoiceCapable(this))
target.remove(header);
}
// Increment if the current one wasn't removed by the Utils code.
if (target.get(i) == header) {
mHeaderIndexMap.put(id, i);
i++;
}
}
}
private boolean needsDockSettings() {
return getResources().getBoolean(R.bool.has_dock_settings);
}
private void getMetaData() {
try {
ActivityInfo ai = getPackageManager().getActivityInfo(getComponentName(),
PackageManager.GET_META_DATA);
if (ai == null || ai.metaData == null) return;
mTopLevelHeaderId = ai.metaData.getInt(META_DATA_KEY_HEADER_ID);
mFragmentClass = ai.metaData.getString(META_DATA_KEY_FRAGMENT_CLASS);
} catch (NameNotFoundException nnfe) {
}
}
/*
* Settings subclasses for launching independently.
*/
public static class BluetoothSettingsActivity extends Settings { }
public static class WirelessSettingsActivity extends Settings { }
public static class TetherSettingsActivity extends Settings { }
public static class VpnSettingsActivity extends Settings { }
public static class DateTimeSettingsActivity extends Settings { }
public static class StorageSettingsActivity extends Settings { }
public static class WifiSettingsActivity extends Settings { }
public static class InputMethodAndLanguageSettingsActivity extends Settings { }
public static class InputMethodAndSubtypeEnablerActivity extends Settings { }
public static class LocalePickerActivity extends Settings { }
public static class UserDictionarySettingsActivity extends Settings { }
public static class SoundSettingsActivity extends Settings { }
public static class DisplaySettingsActivity extends Settings { }
public static class DeviceInfoSettingsActivity extends Settings { }
public static class ApplicationSettingsActivity extends Settings { }
public static class ManageApplicationsActivity extends Settings { }
public static class StorageUseActivity extends Settings { }
public static class DevelopmentSettingsActivity extends Settings { }
public static class AccessibilitySettingsActivity extends Settings { }
public static class SecuritySettingsActivity extends Settings { }
public static class PrivacySettingsActivity extends Settings { }
public static class DockSettingsActivity extends Settings { }
public static class RunningServicesActivity extends Settings { }
public static class VoiceInputOutputSettingsActivity extends Settings { }
public static class ManageAccountsSettingsActivity extends Settings { }
public static class PowerUsageSummaryActivity extends Settings { }
}
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