Email.java revision 02fa70aa185d8073966105e9986bd8e12200a526
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 17package com.android.email; 18 19import com.android.email.activity.AccountShortcutPicker; 20import com.android.email.activity.Debug; 21import com.android.email.activity.MessageCompose; 22import com.android.email.provider.EmailContent; 23import com.android.email.service.MailService; 24 25import android.app.Application; 26import android.content.ComponentName; 27import android.content.Context; 28import android.content.pm.PackageManager; 29import android.database.Cursor; 30import android.text.format.DateUtils; 31import android.util.Log; 32 33import java.io.File; 34import java.util.HashMap; 35 36public class Email extends Application { 37 public static final String LOG_TAG = "Email"; 38 39 /** 40 * If this is enabled there will be additional logging information sent to 41 * Log.d, including protocol dumps. 42 * 43 * This should only be used for logs that are useful for debbuging user problems, 44 * not for internal/development logs. 45 * 46 * This can be enabled by typing "debug" in the AccountFolderList activity. 47 * Changing the value to 'true' here will likely have no effect at all! 48 * 49 * TODO: rename this to sUserDebug, and rename LOGD below to DEBUG. 50 */ 51 public static boolean DEBUG = false; 52 53 /** 54 * If true, logging regarding activity/fragment lifecycle will be enabled. 55 */ 56 public static final boolean DEBUG_LIFECYCLE = true; // STOPSHIP Turn this off. 57 58 /** 59 * If this is enabled then logging that normally hides sensitive information 60 * like passwords will show that information. 61 */ 62 public static final boolean DEBUG_SENSITIVE = false; 63 64 /** 65 * Set this to 'true' to enable as much Email logging as possible. 66 * Do not check-in with it set to 'true'! 67 */ 68 public static final boolean LOGD = false; 69 70 /** 71 * The MIME type(s) of attachments we're willing to send via attachments. 72 * 73 * Any attachments may be added via Intents with Intent.ACTION_SEND or ACTION_SEND_MULTIPLE. 74 */ 75 public static final String[] ACCEPTABLE_ATTACHMENT_SEND_INTENT_TYPES = new String[] { 76 "*/*", 77 }; 78 79 /** 80 * The MIME type(s) of attachments we're willing to send from the internal UI. 81 * 82 * NOTE: At the moment it is not possible to open a chooser with a list of filter types, so 83 * the chooser is only opened with the first item in the list. 84 */ 85 public static final String[] ACCEPTABLE_ATTACHMENT_SEND_UI_TYPES = new String[] { 86 "image/*", 87 "video/*", 88 }; 89 90 /** 91 * The MIME type(s) of attachments we're willing to view. 92 */ 93 public static final String[] ACCEPTABLE_ATTACHMENT_VIEW_TYPES = new String[] { 94 "*/*", 95 }; 96 97 /** 98 * The MIME type(s) of attachments we're not willing to view. 99 */ 100 public static final String[] UNACCEPTABLE_ATTACHMENT_VIEW_TYPES = new String[] { 101 }; 102 103 /** 104 * The MIME type(s) of attachments we're willing to download to SD. 105 */ 106 public static final String[] ACCEPTABLE_ATTACHMENT_DOWNLOAD_TYPES = new String[] { 107 "image/*", 108 }; 109 110 /** 111 * The MIME type(s) of attachments we're not willing to download to SD. 112 */ 113 public static final String[] UNACCEPTABLE_ATTACHMENT_DOWNLOAD_TYPES = new String[] { 114 }; 115 116 /** 117 * Specifies how many messages will be shown in a folder by default. This number is set 118 * on each new folder and can be incremented with "Load more messages..." by the 119 * VISIBLE_LIMIT_INCREMENT 120 */ 121 public static final int VISIBLE_LIMIT_DEFAULT = 25; 122 123 /** 124 * Number of additional messages to load when a user selects "Load more messages..." 125 */ 126 public static final int VISIBLE_LIMIT_INCREMENT = 25; 127 128 /** 129 * The maximum size of an attachment we're willing to download (either View or Save) 130 * Attachments that are base64 encoded (most) will be about 1.375x their actual size 131 * so we should probably factor that in. A 5MB attachment will generally be around 132 * 6.8MB downloaded but only 5MB saved. 133 */ 134 public static final int MAX_ATTACHMENT_DOWNLOAD_SIZE = (5 * 1024 * 1024); 135 136 /** 137 * The maximum size of an attachment we're willing to upload (measured as stored on disk). 138 * Attachments that are base64 encoded (most) will be about 1.375x their actual size 139 * so we should probably factor that in. A 5MB attachment will generally be around 140 * 6.8MB uploaded. 141 */ 142 public static final int MAX_ATTACHMENT_UPLOAD_SIZE = (5 * 1024 * 1024); 143 144 private static HashMap<Long, Long> sMailboxSyncTimes = new HashMap<Long, Long>(); 145 private static final long UPDATE_INTERVAL = 5 * DateUtils.MINUTE_IN_MILLIS; 146 147 /** 148 * This is used to force stacked UI to return to the "welcome" screen any time we change 149 * the accounts list (e.g. deleting accounts in the Account Manager preferences.) 150 */ 151 private static boolean sAccountsChangedNotification = false; 152 153 public static final String EXCHANGE_ACCOUNT_MANAGER_TYPE = "com.android.exchange"; 154 public static final String POP_IMAP_ACCOUNT_MANAGER_TYPE = "com.android.email"; 155 156 // The color chip resources and the RGB color values in the array below must be kept in sync 157 private static final int[] ACCOUNT_COLOR_CHIP_RES_IDS = new int[] { 158 R.drawable.appointment_indicator_leftside_1, 159 R.drawable.appointment_indicator_leftside_2, 160 R.drawable.appointment_indicator_leftside_3, 161 R.drawable.appointment_indicator_leftside_4, 162 R.drawable.appointment_indicator_leftside_5, 163 R.drawable.appointment_indicator_leftside_6, 164 R.drawable.appointment_indicator_leftside_7, 165 R.drawable.appointment_indicator_leftside_8, 166 R.drawable.appointment_indicator_leftside_9, 167 }; 168 169 private static final int[] ACCOUNT_COLOR_CHIP_RGBS = new int[] { 170 0x71aea7, 171 0x621919, 172 0x18462f, 173 0xbf8e52, 174 0x001f79, 175 0xa8afc2, 176 0x6b64c4, 177 0x738359, 178 0x9d50a4, 179 }; 180 181 private static File sTempDirectory; 182 183 /* package for testing */ static int getColorIndexFromAccountId(long accountId) { 184 // Account id is 1-based, so - 1. 185 // Use abs so that it won't possibly return negative. 186 return Math.abs((int) (accountId - 1) % ACCOUNT_COLOR_CHIP_RES_IDS.length); 187 } 188 189 public static int getAccountColorResourceId(long accountId) { 190 return ACCOUNT_COLOR_CHIP_RES_IDS[getColorIndexFromAccountId(accountId)]; 191 } 192 193 public static int getAccountColor(long accountId) { 194 return ACCOUNT_COLOR_CHIP_RGBS[getColorIndexFromAccountId(accountId)]; 195 } 196 197 public static void setTempDirectory(Context context) { 198 sTempDirectory = context.getCacheDir(); 199 } 200 201 public static File getTempDirectory() { 202 if (sTempDirectory == null) { 203 throw new RuntimeException( 204 "TempDirectory not set. " + 205 "If in a unit test, call Email.setTempDirectory(context) in setUp()."); 206 } 207 return sTempDirectory; 208 } 209 210 /** 211 * Called throughout the application when the number of accounts has changed. This method 212 * enables or disables the Compose activity, the boot receiver and the service based on 213 * whether any accounts are configured. Returns true if there are any accounts configured. 214 */ 215 public static boolean setServicesEnabled(Context context) { 216 Cursor c = null; 217 try { 218 c = context.getContentResolver().query( 219 EmailContent.Account.CONTENT_URI, 220 EmailContent.Account.ID_PROJECTION, 221 null, null, null); 222 boolean enable = c.getCount() > 0; 223 setServicesEnabled(context, enable); 224 return enable; 225 } finally { 226 if (c != null) { 227 c.close(); 228 } 229 } 230 } 231 232 public static void setServicesEnabled(Context context, boolean enabled) { 233 PackageManager pm = context.getPackageManager(); 234 if (!enabled && pm.getComponentEnabledSetting(new ComponentName(context, MailService.class)) == 235 PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 236 /* 237 * If no accounts now exist but the service is still enabled we're about to disable it 238 * so we'll reschedule to kill off any existing alarms. 239 */ 240 MailService.actionReschedule(context); 241 } 242 pm.setComponentEnabledSetting( 243 new ComponentName(context, MessageCompose.class), 244 enabled ? PackageManager.COMPONENT_ENABLED_STATE_ENABLED : 245 PackageManager.COMPONENT_ENABLED_STATE_DISABLED, 246 PackageManager.DONT_KILL_APP); 247 pm.setComponentEnabledSetting( 248 new ComponentName(context, AccountShortcutPicker.class), 249 enabled ? PackageManager.COMPONENT_ENABLED_STATE_ENABLED : 250 PackageManager.COMPONENT_ENABLED_STATE_DISABLED, 251 PackageManager.DONT_KILL_APP); 252 pm.setComponentEnabledSetting( 253 new ComponentName(context, MailService.class), 254 enabled ? PackageManager.COMPONENT_ENABLED_STATE_ENABLED : 255 PackageManager.COMPONENT_ENABLED_STATE_DISABLED, 256 PackageManager.DONT_KILL_APP); 257 if (enabled && pm.getComponentEnabledSetting(new ComponentName(context, MailService.class)) == 258 PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 259 /* 260 * And now if accounts do exist then we've just enabled the service and we want to 261 * schedule alarms for the new accounts. 262 */ 263 MailService.actionReschedule(context); 264 } 265 } 266 267 @Override 268 public void onCreate() { 269 super.onCreate(); 270 Preferences prefs = Preferences.getPreferences(this); 271 DEBUG = prefs.getEnableDebugLogging(); 272 setTempDirectory(this); 273 274 // Reset all accounts to default visible window 275 Controller.getInstance(this).resetVisibleLimits(); 276 277 // Enable logging in the EAS service, so it starts up as early as possible. 278 Debug.updateLoggingFlags(this); 279 } 280 281 /** 282 * Internal, utility method for logging. 283 * The calls to log() must be guarded with "if (Email.LOGD)" for performance reasons. 284 */ 285 public static void log(String message) { 286 Log.d(LOG_TAG, message); 287 } 288 289 /** 290 * Update the time when the mailbox is refreshed 291 * @param mailboxId mailbox which need to be updated 292 */ 293 public static void updateMailboxRefreshTime(long mailboxId) { 294 synchronized (sMailboxSyncTimes) { 295 sMailboxSyncTimes.put(mailboxId, System.currentTimeMillis()); 296 } 297 } 298 299 /** 300 * Check if the mailbox is need to be refreshed 301 * @param mailboxId mailbox checked the need of refreshing 302 * @return the need of refreshing 303 */ 304 public static boolean mailboxRequiresRefresh(long mailboxId) { 305 synchronized (sMailboxSyncTimes) { 306 return 307 !sMailboxSyncTimes.containsKey(mailboxId) 308 || (System.currentTimeMillis() - sMailboxSyncTimes.get(mailboxId) 309 > UPDATE_INTERVAL); 310 } 311 } 312 313 /** 314 * Called by the accounts reconciler to notify that accounts have changed, or by "Welcome" 315 * to clear the flag. 316 * @param setFlag true to set the notification flag, false to clear it 317 */ 318 public static synchronized void setNotifyUiAccountsChanged(boolean setFlag) { 319 sAccountsChangedNotification = setFlag; 320 } 321 322 /** 323 * Called from activity onResume() functions to check for an accounts-changed condition, at 324 * which point they should finish() and jump to the Welcome activity. 325 */ 326 public static synchronized boolean getNotifyUiAccountsChanged() { 327 return sAccountsChangedNotification; 328 } 329} 330