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.email2.ui; 18 19 import android.content.ComponentName; 20 import android.content.ContentResolver; 21 import android.content.Context; 22 import android.content.Intent; 23 import android.content.UriMatcher; 24 import android.content.pm.PackageManager; 25 import android.database.Cursor; 26 import android.net.Uri; 27 import android.os.Bundle; 28 29 import com.android.email.NotificationController; 30 import com.android.email.Preferences; 31 import com.android.email.R; 32 import com.android.email.provider.EmailProvider; 33 import com.android.email.service.AttachmentDownloadService; 34 import com.android.email.service.EmailServiceUtils; 35 import com.android.emailcommon.Logging; 36 import com.android.emailcommon.TempDirectory; 37 import com.android.emailcommon.provider.Account; 38 import com.android.emailcommon.provider.EmailContent; 39 import com.android.emailcommon.provider.Mailbox; 40 import com.android.emailcommon.service.EmailServiceProxy; 41 import com.android.emailcommon.utility.EmailAsyncTask; 42 import com.android.emailcommon.utility.IntentUtilities; 43 import com.android.emailcommon.utility.Utility; 44 import com.android.mail.providers.Folder; 45 import com.android.mail.providers.UIProvider; 46 import com.android.mail.utils.LogTag; 47 import com.android.mail.utils.LogUtils; 48 import com.android.mail.utils.Utils; 49 50 public class MailActivityEmail extends com.android.mail.ui.MailActivity { 51 /** 52 * If this is enabled there will be additional logging information sent to 53 * LogUtils.d, including protocol dumps. 54 * 55 * This should only be used for logs that are useful for debbuging user problems, 56 * not for internal/development logs. 57 * 58 * This can be enabled by typing "debug" in the AccountFolderList activity. 59 * Changing the value to 'true' here will likely have no effect at all! 60 * 61 * TODO: rename this to sUserDebug, and rename LOGD below to DEBUG. 62 */ 63 public static boolean DEBUG; 64 65 public static final String LOG_TAG = LogTag.getLogTag(); 66 67 // Exchange debugging flags (passed to Exchange, when available, via EmailServiceProxy) 68 public static boolean DEBUG_EXCHANGE; 69 public static boolean DEBUG_VERBOSE; 70 public static boolean DEBUG_FILE; 71 72 /** 73 * If true, inhibit hardware graphics acceleration in UI (for a/b testing) 74 */ 75 public static boolean sDebugInhibitGraphicsAcceleration = false; 76 77 /** 78 * This is used to force stacked UI to return to the "welcome" screen any time we change 79 * the accounts list (e.g. deleting accounts in the Account Manager preferences.) 80 */ 81 private static boolean sAccountsChangedNotification = false; 82 83 private static String sMessageDecodeErrorString; 84 85 private static Thread sUiThread; 86 87 private static final int MATCH_LEGACY_SHORTCUT_INTENT = 1; 88 /** 89 * A matcher for data URI's that specify conversation list info. 90 */ 91 private static final UriMatcher sUrlMatcher = new UriMatcher(UriMatcher.NO_MATCH); 92 static { 93 sUrlMatcher.addURI( 94 EmailProvider.LEGACY_AUTHORITY, "view/mailbox", MATCH_LEGACY_SHORTCUT_INTENT); 95 } 96 97 98 /** 99 * Asynchronous version of {@link #setServicesEnabledSync(Context)}. Use when calling from 100 * UI thread (or lifecycle entry points.) 101 * 102 * @param context 103 */ 104 public static void setServicesEnabledAsync(final Context context) { 105 EmailAsyncTask.runAsyncParallel(new Runnable() { 106 @Override 107 public void run() { 108 setServicesEnabledSync(context); 109 } 110 }); 111 } 112 113 /** 114 * Called throughout the application when the number of accounts has changed. This method 115 * enables or disables the Compose activity, the boot receiver and the service based on 116 * whether any accounts are configured. 117 * 118 * Blocking call - do not call from UI/lifecycle threads. 119 * 120 * @param context 121 * @return true if there are any accounts configured. 122 */ 123 public static boolean setServicesEnabledSync(Context context) { 124 // Make sure we're initialized 125 EmailContent.init(context); 126 Cursor c = null; 127 try { 128 c = context.getContentResolver().query( 129 Account.CONTENT_URI, 130 Account.ID_PROJECTION, 131 null, null, null); 132 boolean enable = c.getCount() > 0; 133 setServicesEnabled(context, enable); 134 return enable; 135 } finally { 136 if (c != null) { 137 c.close(); 138 } 139 } 140 } 141 142 private static void setServicesEnabled(Context context, boolean enabled) { 143 PackageManager pm = context.getPackageManager(); 144 pm.setComponentEnabledSetting( 145 new ComponentName(context, AttachmentDownloadService.class), 146 enabled ? PackageManager.COMPONENT_ENABLED_STATE_ENABLED : 147 PackageManager.COMPONENT_ENABLED_STATE_DISABLED, 148 PackageManager.DONT_KILL_APP); 149 150 // Start/stop the various services depending on whether there are any accounts 151 startOrStopService(enabled, context, new Intent(context, AttachmentDownloadService.class)); 152 NotificationController.getInstance(context).watchForMessages(); 153 } 154 155 /** 156 * Starts or stops the service as necessary. 157 * @param enabled If {@code true}, the service will be started. Otherwise, it will be stopped. 158 * @param context The context to manage the service with. 159 * @param intent The intent of the service to be managed. 160 */ 161 private static void startOrStopService(boolean enabled, Context context, Intent intent) { 162 if (enabled) { 163 context.startService(intent); 164 } else { 165 context.stopService(intent); 166 } 167 } 168 169 @Override 170 public void onCreate(Bundle bundle) { 171 final Intent intent = getIntent(); 172 final Uri data = intent != null ? intent.getData() : null; 173 if (data != null) { 174 final int match = sUrlMatcher.match(data); 175 switch (match) { 176 case MATCH_LEGACY_SHORTCUT_INTENT: { 177 final long mailboxId = IntentUtilities.getMailboxIdFromIntent(intent); 178 final Mailbox mailbox = Mailbox.restoreMailboxWithId(this, mailboxId); 179 if (mailbox == null) { 180 LogUtils.e(LOG_TAG, "unable to restore mailbox"); 181 break; 182 } 183 184 final Intent viewIntent = getViewIntent(mailbox.mAccountKey, mailboxId); 185 if (viewIntent != null) { 186 setIntent(viewIntent); 187 } 188 break; 189 } 190 } 191 } 192 193 super.onCreate(bundle); 194 sUiThread = Thread.currentThread(); 195 Preferences prefs = Preferences.getPreferences(this); 196 DEBUG = prefs.getEnableDebugLogging(); 197 sDebugInhibitGraphicsAcceleration = prefs.getInhibitGraphicsAcceleration(); 198 enableStrictMode(prefs.getEnableStrictMode()); 199 TempDirectory.setTempDirectory(this); 200 201 // Enable logging in the EAS service, so it starts up as early as possible. 202 updateLoggingFlags(this); 203 204 // Get a helper string used deep inside message decoders (which don't have context) 205 sMessageDecodeErrorString = getString(R.string.message_decode_error); 206 207 // Make sure all required services are running when the app is started (can prevent 208 // issues after an adb sync/install) 209 setServicesEnabledAsync(this); 210 } 211 212 /** 213 * Load enabled debug flags from the preferences and update the EAS debug flag. 214 */ 215 public static void updateLoggingFlags(Context context) { 216 Preferences prefs = Preferences.getPreferences(context); 217 int debugLogging = prefs.getEnableDebugLogging() ? EmailServiceProxy.DEBUG_BIT : 0; 218 int verboseLogging = 219 prefs.getEnableExchangeLogging() ? EmailServiceProxy.DEBUG_VERBOSE_BIT : 0; 220 int fileLogging = 221 prefs.getEnableExchangeFileLogging() ? EmailServiceProxy.DEBUG_FILE_BIT : 0; 222 int enableStrictMode = 223 prefs.getEnableStrictMode() ? EmailServiceProxy.DEBUG_ENABLE_STRICT_MODE : 0; 224 int debugBits = debugLogging | verboseLogging | fileLogging | enableStrictMode; 225 EmailServiceUtils.setRemoteServicesLogging(context, debugBits); 226 } 227 228 /** 229 * Internal, utility method for logging. 230 * The calls to log() must be guarded with "if (Email.LOGD)" for performance reasons. 231 */ 232 public static void log(String message) { 233 LogUtils.d(Logging.LOG_TAG, message); 234 } 235 236 /** 237 * Called by the accounts reconciler to notify that accounts have changed, or by "Welcome" 238 * to clear the flag. 239 * @param setFlag true to set the notification flag, false to clear it 240 */ 241 public static synchronized void setNotifyUiAccountsChanged(boolean setFlag) { 242 sAccountsChangedNotification = setFlag; 243 } 244 245 /** 246 * Called from activity onResume() functions to check for an accounts-changed condition, at 247 * which point they should finish() and jump to the Welcome activity. 248 */ 249 public static synchronized boolean getNotifyUiAccountsChanged() { 250 return sAccountsChangedNotification; 251 } 252 253 public static void warnIfUiThread() { 254 if (Thread.currentThread().equals(sUiThread)) { 255 LogUtils.w(Logging.LOG_TAG, "Method called on the UI thread", 256 new Exception("STACK TRACE")); 257 } 258 } 259 260 /** 261 * Retrieve a simple string that can be used when message decoders encounter bad data. 262 * This is provided here because the protocol decoders typically don't have mContext. 263 */ 264 public static String getMessageDecodeErrorString() { 265 return sMessageDecodeErrorString != null ? sMessageDecodeErrorString : ""; 266 } 267 268 public static void enableStrictMode(boolean enabled) { 269 Utility.enableStrictMode(enabled); 270 } 271 272 private Intent getViewIntent(long accountId, long mailboxId) { 273 final ContentResolver contentResolver = getContentResolver(); 274 275 final Cursor accountCursor = contentResolver.query( 276 EmailProvider.uiUri("uiaccount", accountId), 277 UIProvider.ACCOUNTS_PROJECTION_NO_CAPABILITIES, 278 null, null, null); 279 280 if (accountCursor == null) { 281 LogUtils.e(LOG_TAG, "Null account cursor for mAccountId %d", accountId); 282 return null; 283 } 284 285 com.android.mail.providers.Account account = null; 286 try { 287 if (accountCursor.moveToFirst()) { 288 account = new com.android.mail.providers.Account(accountCursor); 289 } 290 } finally { 291 accountCursor.close(); 292 } 293 294 295 final Cursor folderCursor = contentResolver.query( 296 EmailProvider.uiUri("uifolder", mailboxId), 297 UIProvider.FOLDERS_PROJECTION, null, null, null); 298 299 if (folderCursor == null) { 300 LogUtils.e(LOG_TAG, "Null folder cursor for account %d, mailbox %d", 301 accountId, mailboxId); 302 return null; 303 } 304 305 Folder folder = null; 306 try { 307 if (folderCursor.moveToFirst()) { 308 folder = new Folder(folderCursor); 309 } else { 310 LogUtils.e(LOG_TAG, "Empty folder cursor for account %d, mailbox %d", 311 accountId, mailboxId); 312 return null; 313 } 314 } finally { 315 folderCursor.close(); 316 } 317 318 return Utils.createViewFolderIntent(this, folder.folderUri.fullUri, account); 319 } 320 } 321