ActivityHelper.java revision 7735d548e89e1383ed40782b55db7f68d00831e4
1/* 2 * Copyright (C) 2010 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.activity; 18 19import com.android.email.Controller; 20import com.android.email.Email; 21import com.android.email.R; 22import com.android.emailcommon.provider.EmailContent.Mailbox; 23import com.android.emailcommon.utility.EmailAsyncTask; 24import com.android.emailcommon.utility.Utility; 25 26import android.app.Activity; 27import android.content.ActivityNotFoundException; 28import android.content.Context; 29import android.content.Intent; 30import android.net.Uri; 31import android.provider.Browser; 32import android.view.MenuItem; 33import android.view.WindowManager; 34 35/** 36 * Various methods that are used by both 1-pane and 2-pane activities. 37 * 38 * <p>Common code used by {@link MessageListXL}, {@link MessageList} and other activities go here. 39 * Probably there's a nicer way to do this, if we re-design these classes more throughly. 40 * However, without knowing what the phone UI will be, all such work can easily end up being 41 * over-designed or totally useless. For now this pattern will do... 42 */ 43public final class ActivityHelper { 44 /** 45 * Loader IDs have to be unique in a fragment. We reserve IDs here for loaders created 46 * outside of fragments. 47 */ 48 public static final int GLOBAL_LOADER_ID_MOVE_TO_DIALOG_MAILBOX_LOADER = 1000; 49 public static final int GLOBAL_LOADER_ID_MOVE_TO_DIALOG_MESSAGE_CHECKER = 1001; 50 51 private ActivityHelper() { 52 } 53 54 /** 55 * Open an URL in a message. 56 * 57 * This is intended to mirror the operation of the original 58 * (see android.webkit.CallbackProxy) with one addition of intent flags 59 * "FLAG_ACTIVITY_CLEAR_WHEN_TASK_RESET". This improves behavior when sublaunching 60 * other apps via embedded URI's. 61 * 62 * We also use this hook to catch "mailto:" links and handle them locally. 63 * 64 * @param activity parent activity 65 * @param url URL to open 66 * @param senderAccountId if the URL is mailto:, we use this account as the sender. 67 * TODO When MessageCompose implements the account selector, this won't be necessary. 68 * @return true if the URI has successfully been opened. 69 */ 70 public static boolean openUrlInMessage(Activity activity, String url, long senderAccountId) { 71 // hijack mailto: uri's and handle locally 72 if (url != null && url.toLowerCase().startsWith("mailto:")) { 73 return MessageCompose.actionCompose(activity, url, senderAccountId); 74 } 75 76 // Handle most uri's via intent launch 77 boolean result = false; 78 Intent intent = new Intent(Intent.ACTION_VIEW, Uri.parse(url)); 79 intent.addCategory(Intent.CATEGORY_BROWSABLE); 80 intent.putExtra(Browser.EXTRA_APPLICATION_ID, activity.getPackageName()); 81 intent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_WHEN_TASK_RESET); 82 try { 83 activity.startActivity(intent); 84 result = true; 85 } catch (ActivityNotFoundException ex) { 86 // No applications can handle it. Ignore. 87 } 88 return result; 89 } 90 91 /** 92 * Open Calendar app with specific time 93 */ 94 public static void openCalendar(Activity activity, long epochEventStartTime) { 95 Uri uri = Uri.parse("content://com.android.calendar/time/" + epochEventStartTime); 96 Intent intent = new Intent(Intent.ACTION_VIEW); 97 intent.setData(uri); 98 intent.putExtra("VIEW", "DAY"); 99 intent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_WHEN_TASK_RESET); 100 activity.startActivity(intent); 101 } 102 103 public static void deleteMessage(Context context, long messageId) { 104 Controller.getInstance(context).deleteMessage(messageId, -1); 105 Utility.showToast(context, 106 context.getResources().getQuantityString(R.plurals.message_deleted_toast, 1)); 107 } 108 109 public static void moveMessages(final Context context, final long newMailboxId, 110 final long[] messageIds) { 111 Controller.getInstance(context).moveMessage(messageIds, newMailboxId); 112 EmailAsyncTask.runAsyncSerial(new Runnable() { 113 @Override 114 public void run() { 115 String mailboxName = Mailbox.getDisplayName(context, newMailboxId); 116 if (mailboxName == null) { 117 return; // Mailbox gone?? 118 } 119 String message = context.getResources().getQuantityString( 120 R.plurals.message_moved_toast, messageIds.length, messageIds.length , 121 mailboxName); 122 Utility.showToast(context, message); 123 } 124 }); 125 } 126 127 /** 128 * If configured via debug flags, inhibit hardware graphics acceleration. Must be called 129 * early in onCreate(). 130 * 131 * NOTE: Currently, this only works if HW accel is *not* enabled via the manifest. 132 */ 133 public static void debugSetWindowFlags(Activity activity) { 134 if (Email.sDebugInhibitGraphicsAcceleration) { 135 // Clear the flag in the activity's window 136 activity.getWindow().setFlags(0, 137 WindowManager.LayoutParams.FLAG_HARDWARE_ACCELERATED); 138 } else { 139 // Set the flag in the activity's window 140 activity.getWindow().setFlags(WindowManager.LayoutParams.FLAG_HARDWARE_ACCELERATED, 141 WindowManager.LayoutParams.FLAG_HARDWARE_ACCELERATED); 142 } 143 } 144 145 public static void updateRefreshMenuIcon(MenuItem item, boolean show, boolean animate) { 146 if (show) { 147 item.setVisible(true); 148 if (animate) { 149 item.setActionView(R.layout.action_bar_indeterminate_progress); 150 } else { 151 item.setActionView(null); 152 } 153 } else { 154 item.setVisible(false); 155 } 156 } 157} 158