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      1 /*
      2  * Copyright (C) 2010 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 package com.android.email.activity.setup;
     18 
     19 import android.app.Fragment;
     20 import android.content.Context;
     21 import android.os.Bundle;
     22 import android.view.LayoutInflater;
     23 import android.view.View;
     24 import android.view.ViewGroup;
     25 import android.webkit.WebView;
     26 import android.widget.CheckBox;
     27 import android.widget.CompoundButton;
     28 import android.widget.CompoundButton.OnCheckedChangeListener;
     29 
     30 import com.android.email.DebugUtils;
     31 import com.android.email.Preferences;
     32 import com.android.email.R;
     33 import com.android.email.activity.UiUtilities;
     34 import com.android.email.service.EmailServiceUtils;
     35 import com.android.emailcommon.Logging;
     36 import com.android.mail.preferences.MailPrefs;
     37 import com.android.mail.utils.LogUtils;
     38 
     39 public class DebugFragment extends Fragment implements OnCheckedChangeListener,
     40         View.OnClickListener {
     41     private Preferences mPreferences;
     42 
     43     // Public no-args constructor needed for fragment re-instantiation
     44     public DebugFragment() {}
     45 
     46     @Override
     47     public View onCreateView(LayoutInflater inflater, ViewGroup container,
     48             Bundle savedInstanceState) {
     49         if (Logging.DEBUG_LIFECYCLE && DebugUtils.DEBUG) {
     50             LogUtils.d(Logging.LOG_TAG, "DebugFragment onCreateView");
     51         }
     52         View view = inflater.inflate(R.layout.debug, container, false);
     53 
     54         Context context = getActivity();
     55         mPreferences = Preferences.getPreferences(context);
     56 
     57         final CheckBox enableDebugLoggingView = UiUtilities.getView(view, R.id.debug_logging);
     58         enableDebugLoggingView.setChecked(DebugUtils.DEBUG);
     59 
     60         final CheckBox enableExchangeLoggingView = UiUtilities.getView(view, R.id.exchange_logging);
     61         final CheckBox enableFileLoggingView = UiUtilities.getView(view, R.id.file_logging);
     62 
     63         // Note:  To prevent recursion while presetting checkboxes, assign all listeners last
     64         enableDebugLoggingView.setOnCheckedChangeListener(this);
     65 
     66         if (EmailServiceUtils.areRemoteServicesInstalled(context)) {
     67             enableExchangeLoggingView.setChecked(DebugUtils.DEBUG_EXCHANGE);
     68             enableFileLoggingView.setChecked(DebugUtils.DEBUG_FILE);
     69             enableExchangeLoggingView.setOnCheckedChangeListener(this);
     70             enableFileLoggingView.setOnCheckedChangeListener(this);
     71         } else {
     72             enableExchangeLoggingView.setVisibility(View.GONE);
     73             enableFileLoggingView.setVisibility(View.GONE);
     74         }
     75 
     76         UiUtilities.getView(view, R.id.clear_webview_cache).setOnClickListener(this);
     77         UiUtilities.getView(view, R.id.clear_migration_state).setOnClickListener(this);
     78 
     79         final CheckBox enableStrictModeView =
     80                 UiUtilities.getView(view, R.id.debug_enable_strict_mode);
     81         enableStrictModeView.setChecked(mPreferences.getEnableStrictMode());
     82         enableStrictModeView.setOnCheckedChangeListener(this);
     83 
     84         return view;
     85     }
     86 
     87     @Override
     88     public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
     89         switch (buttonView.getId()) {
     90             case R.id.debug_logging:
     91                 mPreferences.setEnableDebugLogging(isChecked);
     92                 DebugUtils.DEBUG = isChecked;
     93                 break;
     94             case R.id.exchange_logging:
     95                 mPreferences.setEnableExchangeLogging(isChecked);
     96                 DebugUtils.DEBUG_EXCHANGE = isChecked;
     97                 break;
     98             case R.id.file_logging:
     99                 mPreferences.setEnableExchangeFileLogging(isChecked);
    100                 DebugUtils.DEBUG_FILE = isChecked;
    101                 break;
    102             case R.id.debug_enable_strict_mode:
    103                 mPreferences.setEnableStrictMode(isChecked);
    104                 DebugUtils.enableStrictMode(isChecked);
    105                 break;
    106         }
    107 
    108         DebugUtils.updateLoggingFlags(getActivity());
    109     }
    110 
    111     @Override
    112     public void onClick(View v) {
    113         switch (v.getId()) {
    114             case R.id.clear_webview_cache:
    115                 clearWebViewCache();
    116                 break;
    117             case R.id.clear_migration_state:
    118                 clearMigrationState();
    119                 break;
    120         }
    121     }
    122 
    123     private void clearWebViewCache() {
    124         WebView webview = new WebView(getActivity());
    125         try {
    126             webview.clearCache(true);
    127             LogUtils.w(Logging.LOG_TAG, "Cleard WebView cache.");
    128         } finally {
    129             webview.destroy();
    130         }
    131     }
    132 
    133     private void clearMigrationState() {
    134         MailPrefs prefs = MailPrefs.get(getActivity());
    135         prefs.setMigrationState(MailPrefs.PreferenceKeys.MIGRATION_STATE_NONE);
    136     }
    137 }
    138