143 lines
4.4 KiB
Java
143 lines
4.4 KiB
Java
/*
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* Copyright (C) 2011 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.activity;
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import android.app.Activity;
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import android.content.Context;
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import android.content.Intent;
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import android.net.Uri;
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import android.text.TextUtils;
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public final class IntentUtilities {
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// Format for activity URIs: content://ui.email.android.com/...
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private static final String ACTIVITY_INTENT_SCHEME = "content";
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private static final String ACTIVITY_INTENT_HOST = "ui.email.android.com";
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private static final String ACCOUNT_ID_PARAM = "ACCOUNT_ID";
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private static final String MAILBOX_ID_PARAM = "MAILBOX_ID";
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private static final String MESSAGE_ID_PARAM = "MESSAGE_ID";
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private IntentUtilities() {
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}
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/**
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* @return a URI builder for "content://ui.email.android.com/..."
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*/
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public static Uri.Builder createActivityIntentUrlBuilder(String path) {
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final Uri.Builder b = new Uri.Builder();
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b.scheme(ACTIVITY_INTENT_SCHEME);
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b.authority(ACTIVITY_INTENT_HOST);
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b.path(path);
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return b;
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}
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/**
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* Add the account ID parameter.
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*/
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public static void setAccountId(Uri.Builder b, long accountId) {
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if (accountId != -1) {
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b.appendQueryParameter(ACCOUNT_ID_PARAM, Long.toString(accountId));
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}
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}
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/**
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* Add the mailbox ID parameter.
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*/
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public static void setMailboxId(Uri.Builder b, long mailboxId) {
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if (mailboxId != -1) {
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b.appendQueryParameter(MAILBOX_ID_PARAM, Long.toString(mailboxId));
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}
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}
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/**
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* Add the message ID parameter.
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*/
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public static void setMessageId(Uri.Builder b, long messageId) {
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if (messageId != -1) {
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b.appendQueryParameter(MESSAGE_ID_PARAM, Long.toString(messageId));
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}
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}
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/**
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* Retrieve the account ID.
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*/
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public static long getAccountIdFromIntent(Intent intent) {
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return getLongFromIntent(intent, ACCOUNT_ID_PARAM);
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}
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/**
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* Retrieve the mailbox ID.
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*/
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public static long getMailboxIdFromIntent(Intent intent) {
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return getLongFromIntent(intent, MAILBOX_ID_PARAM);
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}
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/**
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* Retrieve the message ID.
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*/
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public static long getMessageIdFromIntent(Intent intent) {
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return getLongFromIntent(intent, MESSAGE_ID_PARAM);
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}
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private static long getLongFromIntent(Intent intent, String paramName) {
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long value = -1;
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if (intent.getData() != null) {
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value = getLongParamFromUri(intent.getData(), paramName, -1);
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}
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return value;
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}
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private static long getLongParamFromUri(Uri uri, String paramName, long defaultValue) {
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final String value = uri.getQueryParameter(paramName);
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if (!TextUtils.isEmpty(value)) {
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try {
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return Long.parseLong(value);
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} catch (NumberFormatException e) {
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// return default
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}
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}
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return defaultValue;
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}
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/**
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* Create an {@link Intent} to launch an activity as the main entry point. Existing activities
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* will all be closed.
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*/
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public static Intent createRestartAppIntent(Context context, Class<? extends Activity> clazz) {
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Intent i = new Intent(context, clazz);
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prepareRestartAppIntent(i);
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return i;
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}
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/**
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* Create an {@link Intent} to launch an activity as the main entry point. Existing activities
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* will all be closed.
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*/
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public static Intent createRestartAppIntent(Uri data) {
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Intent i = new Intent(Intent.ACTION_MAIN, data);
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prepareRestartAppIntent(i);
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return i;
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}
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private static void prepareRestartAppIntent(Intent i) {
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i.setAction(Intent.ACTION_MAIN);
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i.addCategory(Intent.CATEGORY_LAUNCHER);
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i.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
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i.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
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}
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}
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