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/*
* Copyright (C) 2008 Esmertec AG.
* Copyright (C) 2008 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.mms.ui;
import com.android.mms.R;
import com.android.mms.data.Contact;
import com.android.mms.data.ContactList;
import android.content.Context;
import android.graphics.Typeface;
import android.graphics.drawable.Drawable;
import android.os.Handler;
import android.text.Spannable;
import android.text.SpannableStringBuilder;
import android.text.style.ForegroundColorSpan;
import android.text.style.StyleSpan;
import android.text.style.TextAppearanceSpan;
import android.util.AttributeSet;
import android.util.Log;
import android.view.View;
import android.widget.QuickContactBadge;
import android.widget.ImageView;
import android.widget.RelativeLayout;
import android.widget.TextView;
/**
* This class manages the view for given conversation.
*/
public class ConversationListItem extends RelativeLayout implements Contact.UpdateListener {
private static final String TAG = "ConversationListItem";
private static final boolean DEBUG = false;
private TextView mSubjectView;
private TextView mFromView;
private TextView mDateView;
private View mAttachmentView;
private View mErrorIndicator;
private QuickContactBadge mAvatarView;
static private Drawable sDefaultContactImage;
// For posting UI update Runnables from other threads:
private Handler mHandler = new Handler();
private ConversationListItemData mConversationHeader;
private static final StyleSpan STYLE_BOLD = new StyleSpan(Typeface.BOLD);
public ConversationListItem(Context context) {
super(context);
}
public ConversationListItem(Context context, AttributeSet attrs) {
super(context, attrs);
if (sDefaultContactImage == null) {
sDefaultContactImage = context.getResources().getDrawable(R.drawable.ic_contact_picture);
}
}
@Override
protected void onFinishInflate() {
super.onFinishInflate();
mFromView = (TextView) findViewById(R.id.from);
mSubjectView = (TextView) findViewById(R.id.subject);
mDateView = (TextView) findViewById(R.id.date);
mAttachmentView = findViewById(R.id.attachment);
mErrorIndicator = findViewById(R.id.error);
mAvatarView = (QuickContactBadge) findViewById(R.id.avatar);
}
public ConversationListItemData getConversationHeader() {
return mConversationHeader;
}
private void setConversationHeader(ConversationListItemData header) {
mConversationHeader = header;
}
/**
* Only used for header binding.
*/
public void bind(String title, String explain) {
mFromView.setText(title);
mSubjectView.setText(explain);
}
private CharSequence formatMessage(ConversationListItemData ch) {
final int color = android.R.styleable.Theme_textColorSecondary;
String from = ch.getFrom();
SpannableStringBuilder buf = new SpannableStringBuilder(from);
if (ch.getMessageCount() > 1) {
buf.append(mContext.getResources().getString(R.string.message_count_format,
ch.getMessageCount()));
}
if (ch.hasDraft()) {
buf.append(mContext.getResources().getString(R.string.draft_separator));
int before = buf.length();
int size;
buf.append(mContext.getResources().getString(R.string.has_draft));
size = android.R.style.TextAppearance_Small;
buf.setSpan(new TextAppearanceSpan(mContext, size, color), before,
buf.length(), Spannable.SPAN_INCLUSIVE_EXCLUSIVE);
buf.setSpan(new ForegroundColorSpan(
mContext.getResources().getColor(R.drawable.text_color_blue)),
before, buf.length(), Spannable.SPAN_INCLUSIVE_EXCLUSIVE);
}
// Unread messages are shown in bold
if (!ch.isRead()) {
buf.setSpan(STYLE_BOLD, 0, buf.length(),
Spannable.SPAN_INCLUSIVE_EXCLUSIVE);
}
return buf;
}
private void updateAvatarView() {
ConversationListItemData ch = mConversationHeader;
Drawable avatarDrawable;
if (ch.getContacts().size() == 1) {
Contact contact = ch.getContacts().get(0);
avatarDrawable = contact.getAvatar(mContext, sDefaultContactImage);
if (contact.existsInDatabase()) {
mAvatarView.assignContactUri(contact.getUri());
} else {
mAvatarView.assignContactFromPhone(contact.getNumber(), true);
}
} else {
// TODO get a multiple recipients asset (or do something else)
avatarDrawable = sDefaultContactImage;
mAvatarView.assignContactUri(null);
}
mAvatarView.setImageDrawable(avatarDrawable);
mAvatarView.setVisibility(View.VISIBLE);
}
private void updateFromView() {
ConversationListItemData ch = mConversationHeader;
ch.updateRecipients();
mFromView.setText(formatMessage(ch));
updateAvatarView();
}
public void onUpdate(Contact updated) {
mHandler.post(new Runnable() {
public void run() {
updateFromView();
}
});
}
public final void bind(Context context, final ConversationListItemData ch) {
//if (DEBUG) Log.v(TAG, "bind()");
setConversationHeader(ch);
Drawable background = ch.isRead()?
mContext.getResources().getDrawable(R.drawable.conversation_item_background_read) :
mContext.getResources().getDrawable(R.drawable.conversation_item_background_unread);
setBackgroundDrawable(background);
LayoutParams attachmentLayout = (LayoutParams)mAttachmentView.getLayoutParams();
boolean hasError = ch.hasError();
// When there's an error icon, the attachment icon is left of the error icon.
// When there is not an error icon, the attachment icon is left of the date text.
// As far as I know, there's no way to specify that relationship in xml.
if (hasError) {
attachmentLayout.addRule(RelativeLayout.LEFT_OF, R.id.error);
} else {
attachmentLayout.addRule(RelativeLayout.LEFT_OF, R.id.date);
}
boolean hasAttachment = ch.hasAttachment();
mAttachmentView.setVisibility(hasAttachment ? VISIBLE : GONE);
// Date
mDateView.setText(ch.getDate());
// From.
mFromView.setText(formatMessage(ch));
// Register for updates in changes of any of the contacts in this conversation.
ContactList contacts = ch.getContacts();
if (DEBUG) Log.v(TAG, "bind: contacts.addListeners " + this);
Contact.addListener(this);
// Subject
mSubjectView.setText(ch.getSubject());
LayoutParams subjectLayout = (LayoutParams)mSubjectView.getLayoutParams();
// We have to make the subject left of whatever optional items are shown on the right.
subjectLayout.addRule(RelativeLayout.LEFT_OF, hasAttachment ? R.id.attachment :
(hasError ? R.id.error : R.id.date));
// Transmission error indicator.
mErrorIndicator.setVisibility(hasError ? VISIBLE : GONE);
updateAvatarView();
}
public final void unbind() {
if (DEBUG) Log.v(TAG, "unbind: contacts.removeListeners " + this);
// Unregister contact update callbacks.
Contact.removeListener(this);
}
}
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