1 /* 2 * Copyright (C) 2013 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.browse; 19 20 import android.app.ActionBar; 21 import android.app.Activity; 22 import android.app.FragmentTransaction; 23 import android.app.LoaderManager; 24 import android.content.Context; 25 import android.content.Intent; 26 import android.content.Loader; 27 import android.net.Uri; 28 import android.os.Bundle; 29 import android.view.Menu; 30 import android.view.MenuItem; 31 32 import com.android.mail.R; 33 import com.android.mail.content.CursorCreator; 34 import com.android.mail.content.ObjectCursor; 35 import com.android.mail.content.ObjectCursorLoader; 36 import com.android.mail.providers.Account; 37 import com.android.mail.providers.UIProvider; 38 import com.android.mail.ui.FeedbackEnabledActivity; 39 import com.android.mail.utils.LogTag; 40 import com.android.mail.utils.LogUtils; 41 import com.android.mail.utils.MimeType; 42 import com.android.mail.utils.Utils; 43 44 public class EmlViewerActivity extends Activity implements FeedbackEnabledActivity, 45 ConversationAccountController { 46 public static final String EXTRA_ACCOUNT_URI = "extra-account-uri"; 47 48 private static final String LOG_TAG = LogTag.getLogTag(); 49 50 private static final String FRAGMENT_TAG = "eml_message_fragment"; 51 52 private static final int ACCOUNT_LOADER = 0; 53 54 private static final String SAVED_ACCOUNT = "saved-account"; 55 56 private MenuItem mHelpItem; 57 private MenuItem mSendFeedbackItem; 58 59 private Uri mAccountUri; 60 private Account mAccount; 61 62 private final AccountLoadCallbacks mAccountLoadCallbacks = new AccountLoadCallbacks(); 63 64 @Override 65 protected void onCreate(Bundle savedInstanceState) { 66 super.onCreate(savedInstanceState); 67 setContentView(R.layout.eml_viewer_activity); 68 69 final ActionBar actionBar = getActionBar(); 70 actionBar.setDisplayHomeAsUpEnabled(true); 71 72 final Intent intent = getIntent(); 73 final String action = intent.getAction(); 74 final String type = intent.getType(); 75 mAccountUri = intent.getParcelableExtra(EXTRA_ACCOUNT_URI); 76 77 if (savedInstanceState == null) { 78 if (Intent.ACTION_VIEW.equals(action) && 79 MimeType.isEmlMimeType(type)) { 80 final FragmentTransaction transaction = getFragmentManager().beginTransaction(); 81 transaction.add(R.id.eml_root, EmlMessageViewFragment.newInstance( 82 intent.getData(), mAccountUri), FRAGMENT_TAG); 83 transaction.commit(); 84 } else { 85 LogUtils.wtf(LOG_TAG, 86 "Entered EmlViewerActivity with wrong intent action or type: %s, %s", 87 action, type); 88 finish(); // we should not be here. bail out. bail out. 89 return; 90 } 91 } else { 92 if (savedInstanceState.containsKey(SAVED_ACCOUNT)) { 93 mAccount = savedInstanceState.getParcelable(SAVED_ACCOUNT); 94 } 95 } 96 97 // Account uri will be null if we launched from outside of the app. 98 // So just don't load an account at all. 99 if (mAccountUri != null) { 100 getLoaderManager().initLoader(ACCOUNT_LOADER, Bundle.EMPTY, mAccountLoadCallbacks); 101 } 102 } 103 104 105 @Override 106 public boolean onCreateOptionsMenu(Menu menu) { 107 if (mAccountUri == null) { 108 return false; 109 } 110 111 getMenuInflater().inflate(R.menu.eml_viewer_menu, menu); 112 mHelpItem = menu.findItem(R.id.help_info_menu_item); 113 mSendFeedbackItem = menu.findItem(R.id.feedback_menu_item); 114 return true; 115 } 116 117 @Override 118 public boolean onPrepareOptionsMenu(Menu menu) { 119 if (mHelpItem != null) { 120 mHelpItem.setVisible(mAccount != null 121 && mAccount.supportsCapability(UIProvider.AccountCapabilities.HELP_CONTENT)); 122 } 123 if (mSendFeedbackItem != null) { 124 mSendFeedbackItem.setVisible(mAccount != null 125 && mAccount.supportsCapability(UIProvider.AccountCapabilities.SEND_FEEDBACK)); 126 } 127 128 return true; 129 } 130 131 @Override 132 public boolean onOptionsItemSelected(MenuItem item) { 133 final int itemId = item.getItemId(); 134 if (itemId == android.R.id.home) { 135 finish(); 136 return true; 137 } else if (itemId == R.id.settings) { 138 Utils.showSettings(this, mAccount); 139 } else if (itemId == R.id.help_info_menu_item) { 140 Utils.showHelp(this, mAccount, getString(R.string.main_help_context)); 141 } else if (itemId == R.id.feedback_menu_item) { 142 Utils.sendFeedback(this, mAccount, false); 143 } else { 144 return super.onOptionsItemSelected(item); 145 } 146 147 return true; 148 } 149 150 @Override 151 public Context getActivityContext() { 152 return this; 153 } 154 155 @Override 156 public Account getAccount() { 157 return mAccount; 158 } 159 160 private class AccountLoadCallbacks 161 implements LoaderManager.LoaderCallbacks<ObjectCursor<Account>> { 162 163 @Override 164 public Loader<ObjectCursor<Account>> onCreateLoader(int id, Bundle args) { 165 final String[] projection = UIProvider.ACCOUNTS_PROJECTION; 166 final CursorCreator<Account> factory = Account.FACTORY; 167 return new ObjectCursorLoader<Account>( 168 EmlViewerActivity.this, mAccountUri, projection, factory); 169 } 170 171 @Override 172 public void onLoadFinished(Loader<ObjectCursor<Account>> loader, 173 ObjectCursor<Account> data) { 174 if (data != null && data.moveToFirst()) { 175 mAccount = data.getModel(); 176 } 177 } 178 179 @Override 180 public void onLoaderReset(Loader<ObjectCursor<Account>> loader) { 181 } 182 } 183 } 184
