content: /*******************************************************************************
   * Software Name : RCS IMS Stack
   *
   * Copyright (C) 2010-2016 Orange.
   *
   * 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.gsma.rcs.core.control.settings;
  
  import com.gsma.services.rcs.CommonServiceConfiguration;
  import com.gsma.services.rcs.CommonServiceConfiguration.MinimumBatteryLevel;
  import com.gsma.services.rcs.RcsGenericException;
  import com.gsma.services.rcs.RcsPermissionDeniedException;
  import com.gsma.services.rcs.RcsServiceControl;
  import com.gsma.services.rcs.RcsServiceException;
  import com.gsma.services.rcs.RcsServiceListener;
  import com.gsma.services.rcs.RcsServiceNotAvailableException;
  
  import com.gsma.rcs.api.connection.ConnectionManager.RcsServiceName;
  import com.gsma.rcs.api.connection.utils.ExceptionUtil;
  import com.gsma.rcs.api.connection.utils.RcsPreferenceActivity;
  import com.gsma.rcs.core.control.CoreControlApplication;
  import com.gsma.rcs.core.control.R;
  
  import android.app.AlertDialog;
  import android.app.Dialog;
  import android.app.ProgressDialog;
  import android.content.DialogInterface;
  import android.os.AsyncTask;
  import android.os.Bundle;
  import android.preference.CheckBoxPreference;
  import android.preference.ListPreference;
  import android.preference.Preference;
  import android.preference.PreferenceScreen;
  import android.util.Log;
  
  /**
   * Settings display
   * 
   * @author Jean-Marc AUFFRET
   */
  @SuppressWarnings("deprecation")
  public class SettingsDisplay extends RcsPreferenceActivity implements
          Preference.OnPreferenceChangeListener {
  
      private static final int PROGRESS_INIT_INCREMENT = 100;
  
      private final static int SERVICE_DEACTIVATION_CONFIRMATION_DIALOG = 1;
  
      private static final String LOGTAG = "[SET][" + SettingsDisplay.class.getSimpleName() + "]";
  
      private RcsServiceControl mRcsServiceControl;
  
      private CheckBoxPreference mRcsActivationCheckbox;
  
      private ListPreference mBatteryLevel;
  
      private RcsServiceListener mRcsServiceListener;
  
      @Override
      protected void onCreate(Bundle savedInstanceState) {
          super.onCreate(savedInstanceState);
          addPreferencesFromResource(R.xml.rcs_settings_preferences);
  
          initialize();
  
          mRcsActivationCheckbox = (CheckBoxPreference) getPreferenceScreen().findPreference(
                  "rcs_activation");
          mBatteryLevel = (ListPreference) findPreference("min_battery_level");
  
          mRcsServiceControl = CoreControlApplication.getRcsServiceControl();
  
          if (!CoreControlApplication.sCnxManagerStarted) {
              new WaitForConnectionManagerStart()
                      .execute(CoreControlApplication.DELAY_FOR_STARTING_CNX_MANAGER);
          }
      }
  
      @Override
      protected void onResume() {
          super.onResume();
          Log.i(LOGTAG, "onResume");
          startMonitorApiCnx(mRcsServiceListener, RcsServiceName.FILE_TRANSFER, RcsServiceName.CHAT);
  
          if (!mRcsServiceControl.isAvailable()) {
              initCheckbox(mRcsActivationCheckbox, false, false);
              enablePreferences(false);
              showMessage(R.string.label_service_not_available);
              return;
          }
  
          try {
              boolean isServiceActivated = mRcsServiceControl.isActivated();
              boolean isChangeable = mRcsServiceControl.isActivationModeChangeable();
              boolean isServiceConnected = isServiceConnected(RcsServiceName.FILE_TRANSFER);
              initCheckbox(mRcsActivationCheckbox, (isServiceActivated), isChangeable);
              enablePreferences(isServiceActivated && isServiceConnected);
              if (isServiceConnected) {
                  initBatteryLevel(getFileTransferApi().getCommonConfiguration());
              }
  
          } catch (RcsServiceException e) {
              enablePreferences(false);
              Log.d(LOGTAG, e.getMessage());
          }
      }
  
      @Override
      protected void onPause() {
          super.onPause();
          stopMonitorApiCnx();
      }
  
      public boolean onPreferenceTreeClick(PreferenceScreen preferenceScreen, Preference preference) {
          try {
              if (preference == mRcsActivationCheckbox) {
                  if (mRcsActivationCheckbox.isChecked()) {
                      try {
                          mRcsServiceControl.setActivationMode(true);
  
                      } catch (RcsPermissionDeniedException e) {
                          showMessage(R.string.text_service_activate_unchangeable);
                      }
                  } else {
                      if (mRcsServiceControl.isActivated()) {
                          showDialog(SERVICE_DEACTIVATION_CONFIRMATION_DIALOG);
                      }
                  }
                  return true;
              }
          } catch (RcsServiceException e) {
              showException(e);
          }
          return super.onPreferenceTreeClick(preferenceScreen, preference);
      }
  
      @Override
      protected Dialog onCreateDialog(int id) {
          switch (id) {
              case SERVICE_DEACTIVATION_CONFIRMATION_DIALOG:
                  AlertDialog dialog = new AlertDialog.Builder(this)
                          .setIcon(android.R.drawable.ic_dialog_info)
                          .setTitle(R.string.rcs_settings_label_confirm)
                          .setMessage(R.string.rcs_settings_label_rcs_service_shutdown)
                          .setNegativeButton(R.string.rcs_settings_label_cancel,
                                  new DialogInterface.OnClickListener() {
                                      public void onClick(DialogInterface dialog, int button) {
                                          mRcsActivationCheckbox.setChecked(!mRcsActivationCheckbox
                                                  .isChecked());
                                      }
                                  })
                          .setOnCancelListener(new DialogInterface.OnCancelListener() {
                              public void onCancel(DialogInterface dialog) {
                                  mRcsActivationCheckbox.setChecked(!mRcsActivationCheckbox
                                          .isChecked());
                              }
                          })
                          .setPositiveButton(R.string.rcs_settings_label_ok,
                                  new DialogInterface.OnClickListener() {
                                      public void onClick(DialogInterface dialog, int button) {
                                          /* Stop running service */
                                          enablePreferences(false);
                                          try {
                                              mRcsServiceControl.setActivationMode(false);
  
                                          } catch (RcsPermissionDeniedException e) {
                                              showMessage(R.string.text_service_activate_unchangeable);
  
                                          } catch (RcsGenericException e) {
                                              showException(e);
                                          }
                                      }
                                  }).setCancelable(true).create();
                  registerDialog(dialog);
                  return dialog;
          }
          return super.onCreateDialog(id);
      }
  
      @Override
      public boolean onPreferenceChange(Preference preference, Object objValue) {
          if ("min_battery_level".equals(preference.getKey())) {
              try {
                  int level = Integer.parseInt((String) objValue);
                  CommonServiceConfiguration configuration = getFileTransferApi()
                          .getCommonConfiguration();
                  configuration.setMinimumBatteryLevel(MinimumBatteryLevel.valueOf(level));
  
              } catch (RcsServiceException e) {
                  showException(e);
              }
          }
          return true;
      }
  
      /**
       * Initialize the service activation checkbox
       * 
       * @param checked checked
       * @param enabled enabled
       */
      private void initCheckbox(CheckBoxPreference checkbox, boolean checked, boolean enabled) {
          checkbox.setChecked(checked);
          checkbox.setEnabled(enabled);
      }
  
      private void initialize() {
          mRcsServiceListener = new RcsServiceListener() {
  
              @Override
              public void onServiceConnected() {
                  try {
                      enablePreferences(true);
                      initCheckbox(mRcsActivationCheckbox, true,
                              mRcsServiceControl.isActivationModeChangeable());
                      initBatteryLevel(getFileTransferApi().getCommonConfiguration());
  
                  } catch (RcsServiceNotAvailableException ignore) {
  
                  } catch (RcsServiceException e) {
                      Log.w(LOGTAG, ExceptionUtil.getFullStackTrace(e));
                  }
              }
  
              @Override
              public void onServiceDisconnected(ReasonCode reasonCode) {
                  boolean changeable;
                  try {
                      changeable = mRcsServiceControl.isActivationModeChangeable();
  
                  } catch (RcsGenericException e) {
                      Log.w(LOGTAG, ExceptionUtil.getFullStackTrace(e));
                      changeable = true;
                  }
                  enablePreferences(false);
                  initCheckbox(mRcsActivationCheckbox, false, changeable);
              }
          };
      }
  
      /**
       * Enable / disable preferences
       * 
       * @param enabled enabled
       */
      private void enablePreferences(boolean enabled) {
          findPreference("min_battery_level").setEnabled(enabled);
          findPreference("userprofile_settings").setEnabled(enabled);
          findPreference("messaging_settings").setEnabled(enabled);
      }
  
      /**
       * Initialize battery level from configuration
       * 
       * @param configuration configuration
       * @throws RcsServiceException
       */
      private void initBatteryLevel(CommonServiceConfiguration configuration)
              throws RcsServiceException {
          mBatteryLevel.setPersistent(false);
          mBatteryLevel.setOnPreferenceChangeListener(this);
          mBatteryLevel.setValue(String.valueOf(configuration.getMinimumBatteryLevel().toInt()));
      }
  
      private class WaitForConnectionManagerStart extends AsyncTask<Long, Void, Void> {
  
          private ProgressDialog mProgressDialog;
  
          @Override
          protected void onPreExecute() {
              mProgressDialog = SettingsDisplay.this.showProgressDialog(SettingsDisplay.this
                      .getString(R.string.rcs_settings_label_wait_cnx_start));
          }
  
          @Override
          protected Void doInBackground(Long... duration) {
              long delay = (duration[0] / PROGRESS_INIT_INCREMENT);
              for (int i = 0; i < PROGRESS_INIT_INCREMENT; i++) {
                  try {
                      Thread.sleep(delay);
                      if (CoreControlApplication.sCnxManagerStarted) {
                          break;
                      }
                  } catch (InterruptedException ignore) {
                  }
              }
              return null;
          }
  
          @Override
          protected void onPostExecute(Void res) {
              mProgressDialog.cancel();
          }
  
      }
  
  }
  