369 lines
14 KiB
Java
369 lines
14 KiB
Java
/*
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* Copyright (C) 2008 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.email;
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import com.android.email.activity.AccountShortcutPicker;
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import com.android.email.activity.MessageCompose;
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import com.android.email.service.AttachmentDownloadService;
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import com.android.email.service.MailService;
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import com.android.emailcommon.provider.EmailContent;
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import com.android.exchange.Eas;
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import android.app.Application;
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import android.content.ComponentName;
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import android.content.Context;
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import android.content.Intent;
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import android.content.pm.PackageManager;
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import android.database.Cursor;
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import android.text.format.DateUtils;
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import android.util.Log;
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import java.io.File;
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import java.util.HashMap;
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public class Email extends Application {
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public static final String LOG_TAG = "Email";
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/**
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* If this is enabled there will be additional logging information sent to
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* Log.d, including protocol dumps.
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*
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* This should only be used for logs that are useful for debbuging user problems,
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* not for internal/development logs.
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*
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* This can be enabled by typing "debug" in the AccountFolderList activity.
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* Changing the value to 'true' here will likely have no effect at all!
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*
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* TODO: rename this to sUserDebug, and rename LOGD below to DEBUG.
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*/
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public static boolean DEBUG = false;
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/**
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* If true, logging regarding activity/fragment lifecycle will be enabled.
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* Do not check in as "true".
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*/
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public static final boolean DEBUG_LIFECYCLE = false;
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/**
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* If this is enabled then logging that normally hides sensitive information
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* like passwords will show that information.
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*/
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public static final boolean DEBUG_SENSITIVE = false;
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/**
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* Set this to 'true' to enable as much Email logging as possible.
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* Do not check-in with it set to 'true'!
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*/
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public static final boolean LOGD = false;
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/**
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* If true, inhibit hardware graphics acceleration in UI (for a/b testing)
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*/
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public static boolean sDebugInhibitGraphicsAcceleration = false;
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/**
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* The MIME type(s) of attachments we're willing to send via attachments.
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*
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* Any attachments may be added via Intents with Intent.ACTION_SEND or ACTION_SEND_MULTIPLE.
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*/
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public static final String[] ACCEPTABLE_ATTACHMENT_SEND_INTENT_TYPES = new String[] {
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"*/*",
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};
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/**
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* The MIME type(s) of attachments we're willing to send from the internal UI.
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*
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* NOTE: At the moment it is not possible to open a chooser with a list of filter types, so
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* the chooser is only opened with the first item in the list.
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*/
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public static final String[] ACCEPTABLE_ATTACHMENT_SEND_UI_TYPES = new String[] {
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"image/*",
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"video/*",
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};
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/**
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* The MIME type(s) of attachments we're willing to view.
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*/
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public static final String[] ACCEPTABLE_ATTACHMENT_VIEW_TYPES = new String[] {
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"*/*",
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};
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/**
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* The MIME type(s) of attachments we're not willing to view.
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*/
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public static final String[] UNACCEPTABLE_ATTACHMENT_VIEW_TYPES = new String[] {
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};
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/**
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* The MIME type(s) of attachments we're willing to download to SD.
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*/
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public static final String[] ACCEPTABLE_ATTACHMENT_DOWNLOAD_TYPES = new String[] {
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"*/*",
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};
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/**
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* The MIME type(s) of attachments we're not willing to download to SD.
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*/
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public static final String[] UNACCEPTABLE_ATTACHMENT_DOWNLOAD_TYPES = new String[] {
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};
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/**
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* Filename extensions of attachments we're never willing to download (potential malware).
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* Entries in this list are compared to the end of the lower-cased filename, so they must
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* be lower case, and should not include a "."
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*/
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public static final String[] UNACCEPTABLE_ATTACHMENT_EXTENSIONS = new String[] {
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// File types that contain malware
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"ade", "adp", "bat", "chm", "cmd", "com", "cpl", "dll", "exe",
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"hta", "ins", "isp", "jse", "lib", "mde", "msc", "msp",
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"mst", "pif", "scr", "sct", "shb", "sys", "vb", "vbe",
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"vbs", "vxd", "wsc", "wsf", "wsh",
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// File types of common compression/container formats (again, to avoid malware)
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"zip", "gz", "z", "tar", "tgz", "bz2",
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};
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/**
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* Filename extensions of attachments that can be installed.
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* Entries in this list are compared to the end of the lower-cased filename, so they must
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* be lower case, and should not include a "."
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*/
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public static final String[] INSTALLABLE_ATTACHMENT_EXTENSIONS = new String[] {
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"apk",
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};
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/**
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* Specifies how many messages will be shown in a folder by default. This number is set
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* on each new folder and can be incremented with "Load more messages..." by the
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* VISIBLE_LIMIT_INCREMENT
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*/
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public static final int VISIBLE_LIMIT_DEFAULT = 25;
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/**
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* Number of additional messages to load when a user selects "Load more messages..."
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*/
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public static final int VISIBLE_LIMIT_INCREMENT = 25;
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/**
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* The maximum size of an attachment we're willing to download (either View or Save)
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* Attachments that are base64 encoded (most) will be about 1.375x their actual size
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* so we should probably factor that in. A 5MB attachment will generally be around
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* 6.8MB downloaded but only 5MB saved.
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*/
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public static final int MAX_ATTACHMENT_DOWNLOAD_SIZE = (5 * 1024 * 1024);
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/**
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* The maximum size of an attachment we're willing to upload (measured as stored on disk).
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* Attachments that are base64 encoded (most) will be about 1.375x their actual size
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* so we should probably factor that in. A 5MB attachment will generally be around
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* 6.8MB uploaded.
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*/
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public static final int MAX_ATTACHMENT_UPLOAD_SIZE = (5 * 1024 * 1024);
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/**
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* This is used to force stacked UI to return to the "welcome" screen any time we change
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* the accounts list (e.g. deleting accounts in the Account Manager preferences.)
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*/
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private static boolean sAccountsChangedNotification = false;
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public static final String EXCHANGE_ACCOUNT_MANAGER_TYPE = "com.android.exchange";
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public static final String POP_IMAP_ACCOUNT_MANAGER_TYPE = "com.android.email";
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private static File sTempDirectory;
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private static String sMessageDecodeErrorString;
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private static Thread sUiThread;
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public static void setTempDirectory(Context context) {
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sTempDirectory = context.getCacheDir();
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}
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public static File getTempDirectory() {
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if (sTempDirectory == null) {
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throw new RuntimeException(
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"TempDirectory not set. " +
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"If in a unit test, call Email.setTempDirectory(context) in setUp().");
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}
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return sTempDirectory;
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}
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/**
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* Asynchronous version of {@link #setServicesEnabledSync(Context)}. Use when calling from
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* UI thread (or lifecycle entry points.)
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*
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* @param context
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*/
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public static void setServicesEnabledAsync(final Context context) {
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Utility.runAsync(new Runnable() {
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@Override
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public void run() {
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setServicesEnabledSync(context);
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}
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});
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}
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/**
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* Called throughout the application when the number of accounts has changed. This method
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* enables or disables the Compose activity, the boot receiver and the service based on
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* whether any accounts are configured.
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*
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* Blocking call - do not call from UI/lifecycle threads.
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*
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* @param context
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* @return true if there are any accounts configured.
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*/
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public static boolean setServicesEnabledSync(Context context) {
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Cursor c = null;
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try {
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c = context.getContentResolver().query(
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EmailContent.Account.CONTENT_URI,
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EmailContent.Account.ID_PROJECTION,
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null, null, null);
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boolean enable = c.getCount() > 0;
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setServicesEnabled(context, enable);
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return enable;
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} finally {
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if (c != null) {
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c.close();
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}
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}
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}
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private static void setServicesEnabled(Context context, boolean enabled) {
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PackageManager pm = context.getPackageManager();
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if (!enabled && pm.getComponentEnabledSetting(
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new ComponentName(context, MailService.class)) ==
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PackageManager.COMPONENT_ENABLED_STATE_ENABLED) {
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/*
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* If no accounts now exist but the service is still enabled we're about to disable it
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* so we'll reschedule to kill off any existing alarms.
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*/
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MailService.actionReschedule(context);
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}
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pm.setComponentEnabledSetting(
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new ComponentName(context, MessageCompose.class),
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enabled ? PackageManager.COMPONENT_ENABLED_STATE_ENABLED :
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PackageManager.COMPONENT_ENABLED_STATE_DISABLED,
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PackageManager.DONT_KILL_APP);
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pm.setComponentEnabledSetting(
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new ComponentName(context, AccountShortcutPicker.class),
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enabled ? PackageManager.COMPONENT_ENABLED_STATE_ENABLED :
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PackageManager.COMPONENT_ENABLED_STATE_DISABLED,
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PackageManager.DONT_KILL_APP);
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pm.setComponentEnabledSetting(
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new ComponentName(context, MailService.class),
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enabled ? PackageManager.COMPONENT_ENABLED_STATE_ENABLED :
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PackageManager.COMPONENT_ENABLED_STATE_DISABLED,
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PackageManager.DONT_KILL_APP);
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pm.setComponentEnabledSetting(
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new ComponentName(context, AttachmentDownloadService.class),
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enabled ? PackageManager.COMPONENT_ENABLED_STATE_ENABLED :
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PackageManager.COMPONENT_ENABLED_STATE_DISABLED,
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PackageManager.DONT_KILL_APP);
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if (enabled && pm.getComponentEnabledSetting(
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new ComponentName(context, MailService.class)) ==
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PackageManager.COMPONENT_ENABLED_STATE_ENABLED) {
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/*
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* And now if accounts do exist then we've just enabled the service and we want to
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* schedule alarms for the new accounts.
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*/
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MailService.actionReschedule(context);
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}
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// Start/stop the AttachmentDownloadService, depending on whether there are any accounts
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Intent intent = new Intent(context, AttachmentDownloadService.class);
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if (enabled) {
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context.startService(intent);
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} else {
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context.stopService(intent);
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}
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}
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@Override
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public void onCreate() {
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super.onCreate();
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sUiThread = Thread.currentThread();
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Preferences prefs = Preferences.getPreferences(this);
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DEBUG = prefs.getEnableDebugLogging();
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sDebugInhibitGraphicsAcceleration = prefs.getInhibitGraphicsAcceleration();
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setTempDirectory(this);
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// Tie MailRefreshManager to the Controller.
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RefreshManager.getInstance(this);
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// Reset all accounts to default visible window
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Controller.getInstance(this).resetVisibleLimits();
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// Enable logging in the EAS service, so it starts up as early as possible.
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updateLoggingFlags(this);
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// Get a helper string used deep inside message decoders (which don't have context)
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sMessageDecodeErrorString = getString(R.string.message_decode_error);
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}
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/**
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* Load enabled debug flags from the preferences and update the EAS debug flag.
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*/
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public static void updateLoggingFlags(Context context) {
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//EXCHANGE-REMOVE-SECTION-START
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Preferences prefs = Preferences.getPreferences(context);
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int debugLogging = prefs.getEnableDebugLogging() ? Eas.DEBUG_BIT : 0;
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int exchangeLogging = prefs.getEnableExchangeLogging() ? Eas.DEBUG_EXCHANGE_BIT : 0;
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int fileLogging = prefs.getEnableExchangeFileLogging() ? Eas.DEBUG_FILE_BIT : 0;
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int debugBits = debugLogging | exchangeLogging | fileLogging;
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Controller.getInstance(context).serviceLogging(debugBits);
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//EXCHANGE-REMOVE-SECTION-END
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}
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/**
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* Internal, utility method for logging.
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* The calls to log() must be guarded with "if (Email.LOGD)" for performance reasons.
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*/
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public static void log(String message) {
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Log.d(LOG_TAG, message);
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}
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/**
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* Called by the accounts reconciler to notify that accounts have changed, or by "Welcome"
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* to clear the flag.
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* @param setFlag true to set the notification flag, false to clear it
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*/
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public static synchronized void setNotifyUiAccountsChanged(boolean setFlag) {
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sAccountsChangedNotification = setFlag;
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}
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/**
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* Called from activity onResume() functions to check for an accounts-changed condition, at
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* which point they should finish() and jump to the Welcome activity.
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*/
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public static synchronized boolean getNotifyUiAccountsChanged() {
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return sAccountsChangedNotification;
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}
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public static void warnIfUiThread() {
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if (Thread.currentThread().equals(sUiThread)) {
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Log.w(Email.LOG_TAG, "Method called on the UI thread", new Exception("STACK TRACE"));
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}
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}
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/**
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* Retrieve a simple string that can be used when message decoders encounter bad data.
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* This is provided here because the protocol decoders typically don't have mContext.
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*/
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public static String getMessageDecodeErrorString() {
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return sMessageDecodeErrorString != null ? sMessageDecodeErrorString : "";
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}
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}
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