175 lines
6.8 KiB
Java
175 lines
6.8 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.activity;
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import com.android.email.R;
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import com.android.email.provider.EmailContent;
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import com.android.email.provider.EmailContent.Account;
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import android.app.ListActivity;
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import android.content.Context;
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import android.content.Intent;
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import android.database.Cursor;
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import android.os.Bundle;
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import android.os.Parcelable;
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import android.view.View;
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import android.widget.AdapterView;
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import android.widget.AdapterView.OnItemClickListener;
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import android.widget.ListView;
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import android.widget.SimpleCursorAdapter;
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import android.widget.TextView;
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/**
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*
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* This class implements a launcher shortcut for directly accessing a single account.
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*
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* This is simply a lightweight version of Accounts, and should almost certainly be merged with it
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* (or, one could be a base class of the other).
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*
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* TODO Handle upgraded shortcuts for the phone UI release. Shortcuts used to launch MessageList
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* directly. We need to detect this and redirect to Welcome.
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*/
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public class AccountShortcutPicker extends ListActivity implements OnItemClickListener {
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/**
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* Support for list adapter
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*/
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private final static String[] FROM_COLUMNS = new String[] {
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EmailContent.AccountColumns.DISPLAY_NAME,
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EmailContent.AccountColumns.EMAIL_ADDRESS,
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EmailContent.RECORD_ID
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};
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private final static int[] TO_IDS = new int[] {
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R.id.description,
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R.id.email,
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R.id.new_message_count
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};
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@Override
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public void onCreate(Bundle icicle) {
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super.onCreate(icicle);
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// finish() immediately if we aren't supposed to be here
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if (!Intent.ACTION_CREATE_SHORTCUT.equals(getIntent().getAction())) {
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finish();
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return;
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}
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// finish() immediately if no accounts are configured
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// TODO: lightweight projection with only those columns needed for this display
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// TODO: query outside of UI thread
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Cursor c = this.managedQuery(
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EmailContent.Account.CONTENT_URI,
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EmailContent.Account.CONTENT_PROJECTION,
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null, null, null);
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if (c.getCount() == 0) {
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finish();
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return;
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}
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setContentView(R.layout.accounts);
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ListView listView = getListView();
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listView.setOnItemClickListener(this);
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listView.setItemsCanFocus(false);
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listView.setEmptyView(findViewById(R.id.empty));
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AccountsAdapter a = new AccountsAdapter(this,
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R.layout.accounts_item, c, FROM_COLUMNS, TO_IDS);
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listView.setAdapter(a);
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}
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public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
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Cursor cursor = (Cursor)parent.getItemAtPosition(position);
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Account account = new Account().restore(cursor);
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setupShortcut(account);
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finish();
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}
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private static class AccountsAdapter extends SimpleCursorAdapter {
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public AccountsAdapter(Context context, int layout, Cursor c, String[] from, int[] to) {
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super(context, layout, c, from, to);
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setViewBinder(new MyViewBinder());
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}
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/**
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* This is only used for the unread messages count. Most of the views are handled
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* normally by SimpleCursorAdapter.
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*/
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private static class MyViewBinder implements SimpleCursorAdapter.ViewBinder {
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public boolean setViewValue(View view, Cursor cursor, int columnIndex) {
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if (view.getId() == R.id.new_message_count) {
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int unreadMessageCount = 0; // TODO get unread count from Account
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if (unreadMessageCount <= 0) {
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view.setVisibility(View.GONE);
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} else {
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((TextView)view).setText(String.valueOf(unreadMessageCount));
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}
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return true;
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}
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return false;
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}
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}
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}
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/**
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* This function creates a shortcut and returns it to the caller. There are actually two
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* intents that you will send back.
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*
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* The first intent serves as a container for the shortcut and is returned to the launcher by
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* setResult(). This intent must contain three fields:
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*
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* <ul>
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* <li>{@link android.content.Intent#EXTRA_SHORTCUT_INTENT} The shortcut intent.</li>
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* <li>{@link android.content.Intent#EXTRA_SHORTCUT_NAME} The text that will be displayed with
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* the shortcut.</li>
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* <li>{@link android.content.Intent#EXTRA_SHORTCUT_ICON} The shortcut's icon, if provided as a
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* bitmap, <i>or</i> {@link android.content.Intent#EXTRA_SHORTCUT_ICON_RESOURCE} if provided as
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* a drawable resource.</li>
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* </ul>
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*
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* If you use a simple drawable resource, note that you must wrapper it using
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* {@link android.content.Intent.ShortcutIconResource}, as shown below. This is required so
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* that the launcher can access resources that are stored in your application's .apk file. If
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* you return a bitmap, such as a thumbnail, you can simply put the bitmap into the extras
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* bundle using {@link android.content.Intent#EXTRA_SHORTCUT_ICON}.
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*
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* The shortcut intent can be any intent that you wish the launcher to send, when the user
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* clicks on the shortcut. Typically this will be {@link android.content.Intent#ACTION_VIEW}
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* with an appropriate Uri for your content, but any Intent will work here as long as it
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* triggers the desired action within your Activity.
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*/
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private void setupShortcut(Account account) {
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// First, set up the shortcut intent.
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Intent shortcutIntent = Welcome.createOpenAccountInboxIntent(this, account.mId);
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// Then, set up the container intent (the response to the caller)
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Intent intent = new Intent();
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intent.putExtra(Intent.EXTRA_SHORTCUT_INTENT, shortcutIntent);
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intent.putExtra(Intent.EXTRA_SHORTCUT_NAME, account.getDisplayName());
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Parcelable iconResource = Intent.ShortcutIconResource.fromContext(this, R.mipmap.icon);
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intent.putExtra(Intent.EXTRA_SHORTCUT_ICON_RESOURCE, iconResource);
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// Now, return the result to the launcher
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setResult(RESULT_OK, intent);
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}
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}
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