1 /* 2 * Copyright (C) 2008 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; 18 19 import com.android.email.activity.AccountShortcutPicker; 20 import com.android.email.activity.MessageCompose; 21 import com.android.email.mail.internet.BinaryTempFileBody; 22 import com.android.email.provider.EmailContent; 23 import com.android.email.service.BootReceiver; 24 import com.android.email.service.MailService; 25 import com.android.exchange.Eas; 26 27 import android.app.Application; 28 import android.content.ComponentName; 29 import android.content.Context; 30 import android.content.pm.PackageManager; 31 import android.database.Cursor; 32 import android.text.format.DateUtils; 33 import android.util.Log; 34 35 import java.io.File; 36 import java.util.HashMap; 37 38 public class Email extends Application { 39 public static final String LOG_TAG = "Email"; 40 41 public static File tempDirectory; 42 43 /** 44 * If this is enabled there will be additional logging information sent to 45 * Log.d, including protocol dumps. 46 * 47 * This should only be used for logs that are useful for debbuging user problems, 48 * not for internal/development logs. 49 * 50 * This can be enabled by typing "debug" in the AccountFolderList activity. 51 * Changing the value to 'true' here will likely have no effect at all! 52 * 53 * TODO: rename this to sUserDebug, and rename LOGD below to DEBUG. 54 */ 55 public static boolean DEBUG = false; 56 57 /** 58 * If this is enabled than logging that normally hides sensitive information 59 * like passwords will show that information. 60 */ 61 public static boolean DEBUG_SENSITIVE = false; 62 63 /** 64 * Set this to 'true' to enable as much Email logging as possible. 65 * Do not check-in with it set to 'true'! 66 */ 67 public static final boolean LOGD = false; 68 69 /** 70 * The MIME type(s) of attachments we're willing to send via attachments. 71 * 72 * Any attachments may be added via Intents with Intent.ACTION_SEND or ACTION_SEND_MULTIPLE. 73 */ 74 public static final String[] ACCEPTABLE_ATTACHMENT_SEND_INTENT_TYPES = new String[] { 75 "*/*", 76 }; 77 78 /** 79 * The MIME type(s) of attachments we're willing to send from the internal UI. 80 * 81 * NOTE: At the moment it is not possible to open a chooser with a list of filter types, so 82 * the chooser is only opened with the first item in the list. 83 */ 84 public static final String[] ACCEPTABLE_ATTACHMENT_SEND_UI_TYPES = new String[] { 85 "image/*", 86 "video/*", 87 }; 88 89 /** 90 * The MIME type(s) of attachments we're willing to view. 91 */ 92 public static final String[] ACCEPTABLE_ATTACHMENT_VIEW_TYPES = new String[] { 93 "*/*", 94 }; 95 96 /** 97 * The MIME type(s) of attachments we're not willing to view. 98 */ 99 public static final String[] UNACCEPTABLE_ATTACHMENT_VIEW_TYPES = new String[] { 100 }; 101 102 /** 103 * The MIME type(s) of attachments we're willing to download to SD. 104 */ 105 public static final String[] ACCEPTABLE_ATTACHMENT_DOWNLOAD_TYPES = new String[] { 106 "image/*", 107 }; 108 109 /** 110 * The MIME type(s) of attachments we're not willing to download to SD. 111 */ 112 public static final String[] UNACCEPTABLE_ATTACHMENT_DOWNLOAD_TYPES = new String[] { 113 }; 114 115 /** 116 * Specifies how many messages will be shown in a folder by default. This number is set 117 * on each new folder and can be incremented with "Load more messages..." by the 118 * VISIBLE_LIMIT_INCREMENT 119 */ 120 public static final int VISIBLE_LIMIT_DEFAULT = 25; 121 122 /** 123 * Number of additional messages to load when a user selects "Load more messages..." 124 */ 125 public static final int VISIBLE_LIMIT_INCREMENT = 25; 126 127 /** 128 * The maximum size of an attachment we're willing to download (either View or Save) 129 * Attachments that are base64 encoded (most) will be about 1.375x their actual size 130 * so we should probably factor that in. A 5MB attachment will generally be around 131 * 6.8MB downloaded but only 5MB saved. 132 */ 133 public static final int MAX_ATTACHMENT_DOWNLOAD_SIZE = (5 * 1024 * 1024); 134 135 /** 136 * The maximum size of an attachment we're willing to upload (measured as stored on disk). 137 * Attachments that are base64 encoded (most) will be about 1.375x their actual size 138 * so we should probably factor that in. A 5MB attachment will generally be around 139 * 6.8MB uploaded. 140 */ 141 public static final int MAX_ATTACHMENT_UPLOAD_SIZE = (5 * 1024 * 1024); 142 143 private static HashMap<Long, Long> sMailboxSyncTimes = new HashMap<Long, Long>(); 144 private static final long UPDATE_INTERVAL = 5 * DateUtils.MINUTE_IN_MILLIS; 145 146 /** 147 * Called throughout the application when the number of accounts has changed. This method 148 * enables or disables the Compose activity, the boot receiver and the service based on 149 * whether any accounts are configured. Returns true if there are any accounts configured. 150 */ setServicesEnabled(Context context)151 public static boolean setServicesEnabled(Context context) { 152 Cursor c = null; 153 try { 154 c = context.getContentResolver().query( 155 EmailContent.Account.CONTENT_URI, 156 EmailContent.Account.ID_PROJECTION, 157 null, null, null); 158 boolean enable = c.getCount() > 0; 159 setServicesEnabled(context, enable); 160 return enable; 161 } finally { 162 if (c != null) { 163 c.close(); 164 } 165 } 166 } 167 setServicesEnabled(Context context, boolean enabled)168 public static void setServicesEnabled(Context context, boolean enabled) { 169 PackageManager pm = context.getPackageManager(); 170 if (!enabled && pm.getComponentEnabledSetting(new ComponentName(context, MailService.class)) == 171 PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 172 /* 173 * If no accounts now exist but the service is still enabled we're about to disable it 174 * so we'll reschedule to kill off any existing alarms. 175 */ 176 MailService.actionReschedule(context); 177 } 178 pm.setComponentEnabledSetting( 179 new ComponentName(context, MessageCompose.class), 180 enabled ? PackageManager.COMPONENT_ENABLED_STATE_ENABLED : 181 PackageManager.COMPONENT_ENABLED_STATE_DISABLED, 182 PackageManager.DONT_KILL_APP); 183 pm.setComponentEnabledSetting( 184 new ComponentName(context, AccountShortcutPicker.class), 185 enabled ? PackageManager.COMPONENT_ENABLED_STATE_ENABLED : 186 PackageManager.COMPONENT_ENABLED_STATE_DISABLED, 187 PackageManager.DONT_KILL_APP); 188 pm.setComponentEnabledSetting( 189 new ComponentName(context, BootReceiver.class), 190 enabled ? PackageManager.COMPONENT_ENABLED_STATE_ENABLED : 191 PackageManager.COMPONENT_ENABLED_STATE_DISABLED, 192 PackageManager.DONT_KILL_APP); 193 pm.setComponentEnabledSetting( 194 new ComponentName(context, MailService.class), 195 enabled ? PackageManager.COMPONENT_ENABLED_STATE_ENABLED : 196 PackageManager.COMPONENT_ENABLED_STATE_DISABLED, 197 PackageManager.DONT_KILL_APP); 198 if (enabled && pm.getComponentEnabledSetting(new ComponentName(context, MailService.class)) == 199 PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 200 /* 201 * And now if accounts do exist then we've just enabled the service and we want to 202 * schedule alarms for the new accounts. 203 */ 204 MailService.actionReschedule(context); 205 } 206 } 207 208 @Override onCreate()209 public void onCreate() { 210 super.onCreate(); 211 Preferences prefs = Preferences.getPreferences(this); 212 DEBUG = prefs.getEnableDebugLogging(); 213 DEBUG_SENSITIVE = prefs.getEnableSensitiveLogging(); 214 215 // Reset all accounts to default visible window 216 Controller.getInstance(this).resetVisibleLimits(); 217 218 /* 219 * We have to give MimeMessage a temp directory because File.createTempFile(String, String) 220 * doesn't work in Android and MimeMessage does not have access to a Context. 221 */ 222 BinaryTempFileBody.setTempDirectory(getCacheDir()); 223 224 // Enable logging in the EAS service, so it starts up as early as possible. 225 int debugLogging = prefs.getEnableDebugLogging() ? Eas.DEBUG_BIT : 0; 226 int exchangeLogging = prefs.getEnableExchangeLogging() ? Eas.DEBUG_EXCHANGE_BIT : 0; 227 int fileLogging = prefs.getEnableExchangeFileLogging() ? Eas.DEBUG_FILE_BIT : 0; 228 int debugBits = debugLogging + exchangeLogging + fileLogging; 229 Controller.getInstance(this).serviceLogging(debugBits); 230 } 231 232 /** 233 * Internal, utility method for logging. 234 * The calls to log() must be guarded with "if (Email.LOGD)" for performance reasons. 235 */ log(String message)236 public static void log(String message) { 237 Log.d(LOG_TAG, message); 238 } 239 240 /** 241 * Update the time when the mailbox is refreshed 242 * @param mailboxId mailbox which need to be updated 243 */ updateMailboxRefreshTime(long mailboxId)244 public static void updateMailboxRefreshTime(long mailboxId) { 245 synchronized (sMailboxSyncTimes) { 246 sMailboxSyncTimes.put(mailboxId, System.currentTimeMillis()); 247 } 248 } 249 250 /** 251 * Check if the mailbox is need to be refreshed 252 * @param mailboxId mailbox checked the need of refreshing 253 * @return the need of refreshing 254 */ mailboxRequiresRefresh(long mailboxId)255 public static boolean mailboxRequiresRefresh(long mailboxId) { 256 synchronized (sMailboxSyncTimes) { 257 return 258 !sMailboxSyncTimes.containsKey(mailboxId) 259 || (System.currentTimeMillis() - sMailboxSyncTimes.get(mailboxId) 260 > UPDATE_INTERVAL); 261 } 262 } 263 } 264