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Code Issues Releases Wiki Activity

Make MessageListHandler a real Handler that uses Android's message queue

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This commit is contained in:
cketti 2012-09-05 00:35:43 +02:00
parent 691fb2a84a
commit 75a97a82c0
1 changed files with 212 additions and 164 deletions
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154
src/com/fsck/k9/activity/MessageList.java
View File

@ -17,6 +17,7 @@ import android.graphics.Color;
import android.graphics.Typeface;
import android.graphics.drawable.Drawable;
import android.os.Bundle;
import android.os.Handler;
import android.text.Spannable;
import android.text.SpannableStringBuilder;
import android.text.style.AbsoluteSizeSpan;
@ -348,17 +349,105 @@ public class MessageList
}
}
class MessageListHandler {
class MessageListHandler extends Handler {
private static final int ACTION_REMOVE_MESSAGES = 1;
private static final int ACTION_ADD_MESSAGES = 2;
private static final int ACTION_RESET_UNREAD_COUNT = 3;
private static final int ACTION_SORT_MESSAGES = 4;
private static final int ACTION_FOLDER_LOADING = 5;
private static final int ACTION_REFRESH_TITLE = 6;
private static final int ACTION_PROGRESS = 7;
/**
* @param messages Never {@code null}.
*/
public void removeMessages(final List<MessageInfoHolder> messages) {
android.os.Message msg = android.os.Message.obtain(this, ACTION_REMOVE_MESSAGES, messages);
sendMessage(msg);
}
/**
* @param messages Never {@code null}.
*/
public void addMessages(final List<MessageInfoHolder> messages) {
android.os.Message msg = android.os.Message.obtain(this, ACTION_ADD_MESSAGES, messages);
sendMessage(msg);
}
public void resetUnreadCount() {
android.os.Message msg = android.os.Message.obtain(this, ACTION_RESET_UNREAD_COUNT);
sendMessage(msg);
}
public void sortMessages() {
android.os.Message msg = android.os.Message.obtain(this, ACTION_SORT_MESSAGES);
sendMessage(msg);
}
public void folderLoading(String folder, boolean loading) {
android.os.Message msg = android.os.Message.obtain(this, ACTION_FOLDER_LOADING,
(loading) ? 1 : 0, 0, folder);
sendMessage(msg);
}
public void refreshTitle() {
android.os.Message msg = android.os.Message.obtain(this, ACTION_REFRESH_TITLE);
sendMessage(msg);
}
public void progress(final boolean progress) {
android.os.Message msg = android.os.Message.obtain(this, ACTION_PROGRESS,
(progress) ? 1 : 0, 0);
sendMessage(msg);
}
@SuppressWarnings("unchecked")
@Override
public void handleMessage(android.os.Message msg) {
switch (msg.what) {
case ACTION_REMOVE_MESSAGES: {
List<MessageInfoHolder> messages = (List<MessageInfoHolder>) msg.obj;
MessageList.this.removeMessages(messages);
break;
}
case ACTION_ADD_MESSAGES: {
List<MessageInfoHolder> messages = (List<MessageInfoHolder>) msg.obj;
MessageList.this.addMessages(messages);
break;
}
case ACTION_RESET_UNREAD_COUNT: {
MessageList.this.resetUnreadCount();
break;
}
case ACTION_SORT_MESSAGES: {
MessageList.this.sortMessages();
break;
}
case ACTION_FOLDER_LOADING: {
String folder = (String) msg.obj;
boolean loading = (msg.arg1 == 1);
MessageList.this.folderLoading(folder, loading);
break;
}
case ACTION_REFRESH_TITLE: {
MessageList.this.refreshTitle();
break;
}
case ACTION_PROGRESS: {
boolean progress = (msg.arg1 == 1);
MessageList.this.progress(progress);
break;
}
}
}
}
private void removeMessages(final List<MessageInfoHolder> messages) {
if (messages.isEmpty()) {
return;
}
runOnUiThread(new Runnable() {
@Override
public void run() {
for (MessageInfoHolder message : messages) {
if (message != null && (mFolderName == null || (
message.folder != null &&
@ -369,25 +458,19 @@ public class MessageList
mAdapter.messages.remove(message);
}
}
resetUnreadCountOnThread();
resetUnreadCount();
mAdapter.notifyDataSetChanged();
toggleBatchButtons();
}
});
}
/**
* @param messages Never {@code null}.
*/
public void addMessages(final List<MessageInfoHolder> messages) {
private void addMessages(final List<MessageInfoHolder> messages) {
if (messages.isEmpty()) {
return;
}
final boolean wasEmpty = mAdapter.messages.isEmpty();
runOnUiThread(new Runnable() {
@Override
public void run() {
for (final MessageInfoHolder message : messages) {
if (mFolderName == null || (message.folder != null && message.folder.name.equals(mFolderName))) {
int index;
@ -406,23 +489,12 @@ public class MessageList
if (wasEmpty) {
mListView.setSelection(0);
}
resetUnreadCountOnThread();
resetUnreadCount();
mAdapter.notifyDataSetChanged();
}
});
}
private void resetUnreadCount() {
runOnUiThread(new Runnable() {
@Override
public void run() {
resetUnreadCountOnThread();
}
});
}
private void resetUnreadCountOnThread() {
if (mQueryString != null) {
int unreadCount = 0;
synchronized (mAdapter.messages) {
@ -431,23 +503,18 @@ public class MessageList
}
}
mUnreadMessageCount = unreadCount;
refreshTitleOnThread();
refreshTitle();
}
}
private void sortMessages() {
final Comparator<MessageInfoHolder> chainComparator = getComparator();
runOnUiThread(new Runnable() {
@Override
public void run() {
synchronized (mAdapter.messages) {
Collections.sort(mAdapter.messages, chainComparator);
}
mAdapter.notifyDataSetChanged();
}
});
}
/**
* @return The comparator to use to display messages in an ordered
@ -484,27 +551,14 @@ public class MessageList
return chainComparator;
}
public void folderLoading(String folder, boolean loading) {
private void folderLoading(String folder, boolean loading) {
if (mCurrentFolder != null && mCurrentFolder.name.equals(folder)) {
mCurrentFolder.loading = loading;
}
runOnUiThread(new Runnable() {
@Override public void run() {
updateFooterView();
}
});
}
private void refreshTitle() {
runOnUiThread(new Runnable() {
@Override
public void run() {
refreshTitleOnThread();
}
});
}
private void refreshTitleOnThread() {
setWindowTitle();
setWindowProgress();
}
@ -549,15 +603,9 @@ public class MessageList
}
}
public void progress(final boolean progress) {
runOnUiThread(new Runnable() {
@Override
public void run() {
private void progress(final boolean progress) {
showProgressIndicator(progress);
}
});
}
}
/**
* Show the message list that was used to open the {@link MessageView} for a message.