77467e04d4
The empty view wasn't being updated initially by the fragment so it was being left in an empty state since no preferences are added after the fact. Bug: 25609200 Change-Id: Ib9aa02ba94bf7077d01892d96d79d39203047f4d
357 lines
12 KiB
Java
357 lines
12 KiB
Java
/*
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* Copyright (C) 2012 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.settings;
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import android.app.Activity;
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import android.app.AlertDialog;
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import android.app.Dialog;
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import android.content.BroadcastReceiver;
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import android.content.Context;
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import android.content.DialogInterface;
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import android.content.Intent;
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import android.content.IntentFilter;
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import android.os.Bundle;
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import android.support.v7.preference.Preference;
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import android.support.v7.preference.PreferenceViewHolder;
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import android.util.Log;
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import android.view.Menu;
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import android.view.MenuInflater;
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import android.view.MenuItem;
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import android.view.MenuItem.OnMenuItemClickListener;
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import android.view.MotionEvent;
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import android.view.View;
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import android.view.View.OnClickListener;
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import android.view.View.OnTouchListener;
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import android.widget.ImageView;
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import android.widget.RadioButton;
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import android.widget.Switch;
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import android.widget.TextView;
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import com.android.internal.logging.MetricsProto.MetricsEvent;
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import com.android.settings.widget.SwitchBar;
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import com.android.settingslib.dream.DreamBackend;
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import com.android.settingslib.dream.DreamBackend.DreamInfo;
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import java.util.List;
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public class DreamSettings extends SettingsPreferenceFragment implements
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SwitchBar.OnSwitchChangeListener {
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private static final String TAG = DreamSettings.class.getSimpleName();
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static final boolean DEBUG = false;
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private static final int DIALOG_WHEN_TO_DREAM = 1;
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private static final String PACKAGE_SCHEME = "package";
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private final PackageReceiver mPackageReceiver = new PackageReceiver();
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private Context mContext;
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private DreamBackend mBackend;
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private SwitchBar mSwitchBar;
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private MenuItem[] mMenuItemsWhenEnabled;
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private boolean mRefreshing;
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@Override
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public int getHelpResource() {
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return R.string.help_url_dreams;
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}
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@Override
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public void onAttach(Activity activity) {
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logd("onAttach(%s)", activity.getClass().getSimpleName());
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super.onAttach(activity);
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mContext = activity;
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}
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@Override
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protected int getMetricsCategory() {
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return MetricsEvent.DREAM;
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}
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@Override
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public void onCreate(Bundle icicle) {
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logd("onCreate(%s)", icicle);
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super.onCreate(icicle);
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mBackend = new DreamBackend(getActivity());
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setHasOptionsMenu(true);
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}
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@Override
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public void onSwitchChanged(Switch switchView, boolean isChecked) {
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if (!mRefreshing) {
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mBackend.setEnabled(isChecked);
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refreshFromBackend();
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}
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}
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@Override
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public void onStart() {
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logd("onStart()");
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super.onStart();
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}
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@Override
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public void onDestroyView() {
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logd("onDestroyView()");
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super.onDestroyView();
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mSwitchBar.removeOnSwitchChangeListener(this);
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mSwitchBar.hide();
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}
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@Override
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public void onActivityCreated(Bundle savedInstanceState) {
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logd("onActivityCreated(%s)", savedInstanceState);
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super.onActivityCreated(savedInstanceState);
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TextView emptyView = (TextView) getView().findViewById(android.R.id.empty);
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emptyView.setText(R.string.screensaver_settings_disabled_prompt);
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setEmptyView(emptyView);
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final SettingsActivity sa = (SettingsActivity) getActivity();
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mSwitchBar = sa.getSwitchBar();
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mSwitchBar.addOnSwitchChangeListener(this);
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mSwitchBar.show();
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}
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@Override
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public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
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logd("onCreateOptionsMenu()");
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boolean isEnabled = mBackend.isEnabled();
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// create "start" action
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MenuItem start = createMenuItem(menu, R.string.screensaver_settings_dream_start,
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MenuItem.SHOW_AS_ACTION_NEVER,
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isEnabled, new Runnable(){
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@Override
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public void run() {
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mBackend.startDreaming();
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}});
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// create "when to dream" overflow menu item
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MenuItem whenToDream = createMenuItem(menu,
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R.string.screensaver_settings_when_to_dream,
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MenuItem.SHOW_AS_ACTION_NEVER,
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isEnabled,
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new Runnable() {
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@Override
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public void run() {
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showDialog(DIALOG_WHEN_TO_DREAM);
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}});
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// create "help" overflow menu item (make sure it appears last)
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super.onCreateOptionsMenu(menu, inflater);
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mMenuItemsWhenEnabled = new MenuItem[] { start, whenToDream };
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}
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private MenuItem createMenuItem(Menu menu,
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int titleRes, int actionEnum, boolean isEnabled, final Runnable onClick) {
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MenuItem item = menu.add(titleRes);
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item.setShowAsAction(actionEnum);
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item.setEnabled(isEnabled);
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item.setOnMenuItemClickListener(new OnMenuItemClickListener() {
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@Override
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public boolean onMenuItemClick(MenuItem item) {
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onClick.run();
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return true;
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}
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});
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return item;
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}
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@Override
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public Dialog onCreateDialog(int dialogId) {
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logd("onCreateDialog(%s)", dialogId);
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if (dialogId == DIALOG_WHEN_TO_DREAM)
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return createWhenToDreamDialog();
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return super.onCreateDialog(dialogId);
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}
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private Dialog createWhenToDreamDialog() {
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final CharSequence[] items = {
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mContext.getString(R.string.screensaver_settings_summary_dock),
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mContext.getString(R.string.screensaver_settings_summary_sleep),
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mContext.getString(R.string.screensaver_settings_summary_either_short)
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};
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int initialSelection = mBackend.isActivatedOnDock() && mBackend.isActivatedOnSleep() ? 2
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: mBackend.isActivatedOnDock() ? 0
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: mBackend.isActivatedOnSleep() ? 1
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: -1;
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return new AlertDialog.Builder(mContext)
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.setTitle(R.string.screensaver_settings_when_to_dream)
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.setSingleChoiceItems(items, initialSelection, new DialogInterface.OnClickListener() {
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public void onClick(DialogInterface dialog, int item) {
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mBackend.setActivatedOnDock(item == 0 || item == 2);
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mBackend.setActivatedOnSleep(item == 1 || item == 2);
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dialog.dismiss();
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}
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})
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.create();
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}
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@Override
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public void onPause() {
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logd("onPause()");
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super.onPause();
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mContext.unregisterReceiver(mPackageReceiver);
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}
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@Override
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public void onResume() {
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logd("onResume()");
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super.onResume();
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refreshFromBackend();
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// listen for package changes
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IntentFilter filter = new IntentFilter();
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filter.addAction(Intent.ACTION_PACKAGE_ADDED);
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filter.addAction(Intent.ACTION_PACKAGE_CHANGED);
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filter.addAction(Intent.ACTION_PACKAGE_REMOVED);
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filter.addAction(Intent.ACTION_PACKAGE_REPLACED);
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filter.addDataScheme(PACKAGE_SCHEME);
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mContext.registerReceiver(mPackageReceiver , filter);
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}
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public static int getSummaryResource(Context context) {
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DreamBackend backend = new DreamBackend(context);
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boolean isEnabled = backend.isEnabled();
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boolean activatedOnSleep = backend.isActivatedOnSleep();
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boolean activatedOnDock = backend.isActivatedOnDock();
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boolean activatedOnEither = activatedOnSleep && activatedOnDock;
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return !isEnabled ? R.string.screensaver_settings_summary_off
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: activatedOnEither ? R.string.screensaver_settings_summary_either_long
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: activatedOnSleep ? R.string.screensaver_settings_summary_sleep
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: activatedOnDock ? R.string.screensaver_settings_summary_dock
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: 0;
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}
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public static CharSequence getSummaryTextWithDreamName(Context context) {
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DreamBackend backend = new DreamBackend(context);
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boolean isEnabled = backend.isEnabled();
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if (!isEnabled) {
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return context.getString(R.string.screensaver_settings_summary_off);
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} else {
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return backend.getActiveDreamName();
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}
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}
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private void refreshFromBackend() {
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logd("refreshFromBackend()");
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mRefreshing = true;
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boolean dreamsEnabled = mBackend.isEnabled();
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if (mSwitchBar.isChecked() != dreamsEnabled) {
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mSwitchBar.setChecked(dreamsEnabled);
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}
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if (getPreferenceScreen() == null) {
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setPreferenceScreen(getPreferenceManager().createPreferenceScreen(getContext()));
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}
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getPreferenceScreen().removeAll();
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if (dreamsEnabled) {
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List<DreamBackend.DreamInfo> dreamInfos = mBackend.getDreamInfos();
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final int N = dreamInfos.size();
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for (int i = 0; i < N; i++) {
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getPreferenceScreen().addPreference(
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new DreamInfoPreference(getPrefContext(), dreamInfos.get(i)));
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}
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}
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if (mMenuItemsWhenEnabled != null) {
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for (MenuItem menuItem : mMenuItemsWhenEnabled) {
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menuItem.setEnabled(dreamsEnabled);
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}
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}
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mRefreshing = false;
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}
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private static void logd(String msg, Object... args) {
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if (DEBUG) Log.d(TAG, args == null || args.length == 0 ? msg : String.format(msg, args));
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}
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private class DreamInfoPreference extends Preference {
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private final DreamInfo mInfo;
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public DreamInfoPreference(Context context, DreamInfo info) {
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super(context);
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mInfo = info;
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setLayoutResource(R.layout.dream_info_row);
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setTitle(mInfo.caption);
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setIcon(mInfo.icon);
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}
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public void onBindViewHolder(final PreferenceViewHolder holder) {
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super.onBindViewHolder(holder);
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// bind radio button
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RadioButton radioButton = (RadioButton) holder.findViewById(android.R.id.button1);
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radioButton.setChecked(mInfo.isActive);
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radioButton.setOnTouchListener(new OnTouchListener() {
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@Override
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public boolean onTouch(View v, MotionEvent event) {
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holder.itemView.onTouchEvent(event);
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return false;
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}
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});
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// bind settings button + divider
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boolean showSettings = mInfo.settingsComponentName != null;
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View settingsDivider = holder.findViewById(R.id.divider);
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settingsDivider.setVisibility(showSettings ? View.VISIBLE : View.INVISIBLE);
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ImageView settingsButton = (ImageView) holder.findViewById(android.R.id.button2);
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settingsButton.setVisibility(showSettings ? View.VISIBLE : View.INVISIBLE);
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settingsButton.setAlpha(mInfo.isActive ? 1f : Utils.DISABLED_ALPHA);
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settingsButton.setEnabled(mInfo.isActive);
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settingsButton.setFocusable(mInfo.isActive);
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settingsButton.setOnClickListener(new OnClickListener(){
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@Override
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public void onClick(View v) {
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mBackend.launchSettings(mInfo);
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}
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});
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}
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@Override
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public void performClick() {
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if (mInfo.isActive)
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return;
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for (int i = 0; i < getPreferenceScreen().getPreferenceCount(); i++) {
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DreamInfoPreference preference =
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(DreamInfoPreference) getPreferenceScreen().getPreference(i);
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preference.mInfo.isActive = false;
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preference.notifyChanged();
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}
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mInfo.isActive = true;
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mBackend.setActiveDream(mInfo.componentName);
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notifyChanged();
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}
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}
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private class PackageReceiver extends BroadcastReceiver {
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@Override
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public void onReceive(Context context, Intent intent) {
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logd("PackageReceiver.onReceive");
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refreshFromBackend();
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}
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}
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}
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