updating powermanagement plugin for use with android
Viras-
11 years ago
parent
b864c5d72a
commit
5aff83ba4d
@ -0,0 +1,150 @@
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/*
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Copyright 2011-2013 Wolfgang Koller - http://www.gofg.at/
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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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http://www.apache.org/licenses/LICENSE-2.0
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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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/**
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* Cordova (Android) plugin for accessing the power-management functions of the device
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* @author Wolfgang Koller <viras@users.sourceforge.net>
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*/
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package at.gofg.sportscomputer;
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import org.json.JSONArray;
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import org.json.JSONException;
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import android.content.Context;
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import android.os.PowerManager;
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import android.util.Log;
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import org.apache.cordova.CordovaWebView;
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import org.apache.cordova.CallbackContext;
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import org.apache.cordova.CordovaInterface;
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import org.apache.cordova.CordovaPlugin;
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import org.apache.cordova.PluginResult;
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import org.apache.cordova.PluginResult.Status;
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/**
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* Plugin class which does the actual handling
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*/
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public class PowerManagement extends CordovaPlugin {
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// As we only allow one wake-lock, we keep a reference to it here
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private PowerManager.WakeLock wakeLock = null;
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private PowerManager powerManager = null;
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/**
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* Fetch a reference to the power-service when the plugin is initialized
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*/
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@Override
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public void initialize(CordovaInterface cordova, CordovaWebView webView) {
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super.initialize(cordova, webView);
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this.powerManager = (PowerManager) cordova.getActivity().getSystemService(Context.POWER_SERVICE);
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}
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@Override
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public boolean execute(String action, JSONArray args,
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CallbackContext callbackContext) throws JSONException {
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PluginResult result = null;
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Log.d("PowerManagementPlugin", "Plugin execute called - " + this.toString() );
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Log.d("PowerManagementPlugin", "Action is " + action );
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try {
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if( action.equals("acquire") ) {
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if( args.length() > 0 && args.getBoolean(0) ) {
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Log.d("PowerManagementPlugin", "Only dim lock" );
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result = this.acquire( PowerManager.SCREEN_DIM_WAKE_LOCK );
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}
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else {
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result = this.acquire( PowerManager.FULL_WAKE_LOCK );
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}
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}
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else if( action.equals("release") ) {
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result = this.release();
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}
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}
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catch( JSONException e ) {
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result = new PluginResult(Status.JSON_EXCEPTION, e.getMessage());
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}
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callbackContext.sendPluginResult(result);
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return true;
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}
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/**
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* Acquire a wake-lock
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* @param p_flags Type of wake-lock to acquire
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* @return PluginResult containing the status of the acquire process
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*/
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private PluginResult acquire( int p_flags ) {
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PluginResult result = null;
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if (this.wakeLock == null) {
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this.wakeLock = this.powerManager.newWakeLock(p_flags, "PowerManagementPlugin");
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try {
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this.wakeLock.acquire();
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result = new PluginResult(PluginResult.Status.OK);
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}
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catch( Exception e ) {
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this.wakeLock = null;
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result = new PluginResult(PluginResult.Status.ERROR,"Can't acquire wake-lock - check your permissions!");
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}
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}
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else {
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result = new PluginResult(PluginResult.Status.ILLEGAL_ACCESS_EXCEPTION,"WakeLock already active - release first");
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}
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return result;
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}
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/**
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* Release an active wake-lock
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* @return PluginResult containing the status of the release process
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*/
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private PluginResult release() {
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PluginResult result = null;
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if( this.wakeLock != null ) {
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this.wakeLock.release();
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this.wakeLock = null;
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result = new PluginResult(PluginResult.Status.OK, "OK");
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}
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else {
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result = new PluginResult(PluginResult.Status.ILLEGAL_ACCESS_EXCEPTION, "No WakeLock active - acquire first");
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}
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return result;
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}
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/**
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* Make sure any wakelock is released if the app goes into pause
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*/
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@Override
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public void onPause(boolean multitasking) {
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if( this.wakeLock != null ) this.wakeLock.release();
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super.onPause(multitasking);
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}
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/**
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* Make sure any wakelock is acquired again once we resume
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*/
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@Override
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public void onResume(boolean multitasking) {
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if( this.wakeLock != null ) this.wakeLock.acquire();
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super.onResume(multitasking);
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}
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}
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