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      1 /*
      2  * Copyright (C) 2014 Google Inc.
      3  * Licensed to The Android Open Source Project.
      4  *
      5  * Licensed under the Apache License, Version 2.0 (the "License");
      6  * you may not use this file except in compliance with the License.
      7  * You may obtain a copy of the License at
      8  *
      9  *      http://www.apache.org/licenses/LICENSE-2.0
     10  *
     11  * Unless required by applicable law or agreed to in writing, software
     12  * distributed under the License is distributed on an "AS IS" BASIS,
     13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     14  * See the License for the specific language governing permissions and
     15  * limitations under the License.
     16  */
     17 
     18 package com.android.mail.ui;
     19 
     20 import android.content.Intent;
     21 import android.net.Uri;
     22 import android.os.Bundle;
     23 import android.support.v7.app.ActionBar;
     24 import android.support.v7.app.ActionBarActivity;
     25 import android.view.Menu;
     26 import android.view.MenuItem;
     27 
     28 import com.android.mail.R;
     29 import com.android.mail.browse.ConversationAccountController;
     30 import com.android.mail.content.ObjectCursor;
     31 import com.android.mail.providers.Account;
     32 import com.android.mail.providers.UIProvider;
     33 import com.android.mail.utils.Utils;
     34 
     35 /**
     36  * Activity that provides support for querying an {@link Account}
     37  * as well as showing settings/help/send feedback in the action
     38  * overflow menu.
     39  */
     40 public abstract class AccountFeedbackActivity extends ActionBarActivity
     41         implements ConversationAccountController, AccountLoadCallbacks.AccountLoadCallbackListener {
     42     public static final String EXTRA_ACCOUNT_URI = "extra-account-uri";
     43 
     44     private static final int ACCOUNT_LOADER = 0;
     45 
     46     private static final String SAVED_ACCOUNT = "saved-account";
     47 
     48     private MenuItem mHelpAndFeedbackItem;
     49 
     50     protected Uri mAccountUri;
     51     protected Account mAccount;
     52 
     53     private AccountLoadCallbacks mAccountLoadCallbacks;
     54 
     55     @Override
     56     protected void onCreate(Bundle savedInstanceState) {
     57         super.onCreate(savedInstanceState);
     58         setContentView(R.layout.account_feedback_activity);
     59 
     60         final ActionBar actionBar = getSupportActionBar();
     61         actionBar.setDisplayHomeAsUpEnabled(true);
     62 
     63         final Intent intent = getIntent();
     64         mAccountUri = intent.getParcelableExtra(EXTRA_ACCOUNT_URI);
     65 
     66         if (savedInstanceState != null) {
     67             if (savedInstanceState.containsKey(SAVED_ACCOUNT)) {
     68                 mAccount = savedInstanceState.getParcelable(SAVED_ACCOUNT);
     69             }
     70         }
     71 
     72         // Account uri will be null if we launched from outside of the app.
     73         // So just don't load an account at all.
     74         if (mAccountUri != null) {
     75             mAccountLoadCallbacks = new AccountLoadCallbacks(
     76                     this /* context */, mAccountUri, this /* accountLoadCallbackListener*/);
     77             getLoaderManager().initLoader(ACCOUNT_LOADER, Bundle.EMPTY, mAccountLoadCallbacks);
     78         }
     79     }
     80 
     81     @Override
     82     public void onAccountLoadCallbackFinished(ObjectCursor<Account> data) {
     83         if (data != null && data.moveToFirst()) {
     84             mAccount = data.getModel();
     85         }
     86     }
     87 
     88     @Override
     89     public boolean onCreateOptionsMenu(Menu menu) {
     90         if (mAccountUri == null) {
     91             return false;
     92         }
     93 
     94         getMenuInflater().inflate(R.menu.account_feedback_menu, menu);
     95         mHelpAndFeedbackItem = menu.findItem(R.id.help_info_menu_item);
     96         return true;
     97     }
     98 
     99     @Override
    100     public boolean onPrepareOptionsMenu(Menu menu) {
    101         if (mHelpAndFeedbackItem != null) {
    102             mHelpAndFeedbackItem.setVisible(mAccount != null
    103                     && mAccount.supportsCapability(UIProvider.AccountCapabilities.HELP_CONTENT));
    104         }
    105 
    106         return super.onPrepareOptionsMenu(menu);
    107     }
    108 
    109     @Override
    110     public boolean onOptionsItemSelected(MenuItem item) {
    111         final int itemId = item.getItemId();
    112         if (itemId == android.R.id.home) {
    113             finish();
    114         } else if (itemId == R.id.settings) {
    115             Utils.showSettings(this, mAccount);
    116         } else if (itemId == R.id.help_info_menu_item) {
    117             showHelp(getString(R.string.main_help_context));
    118         } else {
    119             return super.onOptionsItemSelected(item);
    120         }
    121 
    122         return true;
    123     }
    124 
    125     @Override
    126     public Account getAccount() {
    127         return mAccount;
    128     }
    129 
    130     protected void showHelp(String helpContext) {
    131         Utils.showHelp(this, mAccount, helpContext);
    132     }
    133 }
    134