ChatSwitcherpublic class ChatSwitcher extends Object
| Fields Summary |
|---|
| private static final boolean | LOCAL_DEBUG | | private static final String[] | PROVIDER_CATEGORY_PROJECTION | | private static final int | PROVIDER_CATEGORY_COLUMN | | private boolean | mPreferMenuShortcut | | public SwitcherAdapter | mSwitcherAdapter | | private android.app.Activity | mActivity | | private android.os.Handler | mHandler | | private ImApp | mApp | | private String | mQuerySelection | | private String[] | mQuerySelectionArgs | | private android.view.LayoutInflater | mInflater | | private SwitcherRunnable | mSwitcherCallback | | private ArrayList | mViews | | private boolean | mOkToShowEmptyView | | private ChatSwitcherDialog | mChatSwitcherDialog | | private android.content.AsyncQueryHandler | mQueryHandler | | private static final int | sQueryToken | | private static final long | sPeriodicUpdatePeriod | | public int | mContactIdColumn | | public int | mProviderIdColumn | | public int | mAccountIdColumn | | public int | mUsernameColumn | | public int | mNicknameColumn | | public int | mAvatarDataColumn | | public int | mPresenceStatusColumn | | public int | mLastUnreadMessageColumn | | public int | mShortcutColumn | | public int | mLastChatColumn | | public int | mGroupChatColumn | | private android.database.DataSetObserver | mObserver | | private Runnable | mSimpleUpdateRunnable |
| Constructors Summary |
|---|
public ChatSwitcher(android.app.Activity a, android.os.Handler handler, ImApp app, android.view.LayoutInflater inflater, SwitcherRunnable switcher)
mActivity = a;
mApp = app;
mHandler = handler;
mInflater = inflater;
mSwitcherCallback = switcher;
buildQueryParams();
mSwitcherAdapter = new SwitcherAdapter(null, a);
mQueryHandler = new AsyncQueryHandler(mActivity.getContentResolver()) {
@Override
protected void onQueryComplete(int token, Object cookie, Cursor cursor) {
if (cursor != null) {
mContactIdColumn = cursor.getColumnIndexOrThrow(Im.Contacts._ID);
mProviderIdColumn = cursor.getColumnIndexOrThrow(Im.Contacts.PROVIDER);
mAccountIdColumn = cursor.getColumnIndexOrThrow(Im.Contacts.ACCOUNT);
mUsernameColumn = cursor.getColumnIndexOrThrow(Im.Contacts.USERNAME);
mNicknameColumn = cursor.getColumnIndexOrThrow(Im.Contacts.NICKNAME);
mPresenceStatusColumn = cursor.getColumnIndexOrThrow(Im.Contacts.PRESENCE_STATUS);
mLastUnreadMessageColumn = cursor.getColumnIndexOrThrow(Im.Chats.LAST_UNREAD_MESSAGE);
mAvatarDataColumn = cursor.getColumnIndexOrThrow(Im.Contacts.AVATAR_DATA);
mShortcutColumn = cursor.getColumnIndexOrThrow(Im.Chats.SHORTCUT);
mLastChatColumn = cursor.getColumnIndexOrThrow(Im.Chats.LAST_MESSAGE_DATE);
mGroupChatColumn = cursor.getColumnIndexOrThrow(Im.Chats.GROUP_CHAT);
}
mOkToShowEmptyView = true;
update();
OnQueryCompleteRunnable r = (OnQueryCompleteRunnable) cookie;
if (r != null) {
r.onComplete(cursor);
}
}
@Override
protected void onUpdateComplete(int token, Object cookie, int result) {
super.onUpdateComplete(token, cookie, result);
}
};
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| Methods Summary |
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| private void | buildQueryParams()
StringBuilder buf = new StringBuilder("(");
List<ProviderDef> list = mApp.getProviders();
mQuerySelectionArgs = new String[list.size()];
int i = 0;
for (ProviderDef providerDef : list) {
//Log.i(ImApp.LOG_TAG, "[ChatSwitcher] buildQueryParams: provider " + providerDef.mName +
// ", " + providerDef.mId);
if (i > 0) {
buf.append(" OR ");
}
buf.append(Im.Contacts.PROVIDER).append("=?");
mQuerySelectionArgs[i] = String.valueOf(providerDef.mId);
i++;
}
buf.append(')");
mQuerySelection = buf.toString();
//Log.i(ImApp.LOG_TAG, "[ChatSwitcher] buildQueryParams: selection => " + mQuerySelection);
| | private void | cancelPreviousQuery()
mQueryHandler.cancelOperation(sQueryToken);
| | public void | close()
if (isOpen()) {
mChatSwitcherDialog.dismiss();
mChatSwitcherDialog = null;
// if we're in the midst of querying then don't
cancelPreviousQuery();
// clean up the adapter, close cursors, etc.
mSwitcherAdapter.unregisterDataSetObserver(mObserver);
mSwitcherAdapter.changeCursor(null);
mViews.clear();
mHandler.removeCallbacks(mSimpleUpdateRunnable);
}
| | private static java.lang.String | findCategory(android.content.ContentResolver resolver, long providerId)
// find the provider category for this chat
Cursor providerCursor = resolver.query(
Im.Provider.CONTENT_URI,
PROVIDER_CATEGORY_PROJECTION,
"_id = " + providerId,
null /* selection args */,
null /* sort order */
);
String category = null;
try {
if (providerCursor.moveToFirst()) {
category = providerCursor.getString(PROVIDER_CATEGORY_COLUMN);
}
} finally {
providerCursor.close();
}
return category;
| | private int | findCurrent(android.database.Cursor c, java.lang.String contact, long accountId, long providerId)
c.moveToPosition(-1);
while (c.moveToNext()) {
if (c.getLong(mAccountIdColumn) != accountId) {
continue;
}
if (c.getLong(mProviderIdColumn) != providerId) {
continue;
}
if (!c.getString(mUsernameColumn).equals(contact)) {
continue;
}
return c.getPosition();
}
return -1;
| | private void | handleShortcut(android.database.Cursor c, int key)
if (mActivity.isFinishing()) {
return;
}
c.moveToPosition(-1);
while (c.moveToNext()) {
long shortcut = c.getLong(mShortcutColumn);
if (shortcut >= 0 && shortcut < 10 && key == (shortcut + '0")) {
select(c, c.getPosition());
break;
}
}
| | public void | handleShortcut(int key)
if (mSwitcherAdapter.getCursor() != null) {
handleShortcut(mSwitcherAdapter.getCursor(), key);
} else {
startQuery(new OnQueryCompleteRunnable() {
public void onComplete(Cursor c) {
handleShortcut(c, key);
c.close();
}
});
}
| | public boolean | isOpen()
return mChatSwitcherDialog != null;
| | private void | log(java.lang.String msg)
Log.d(ImApp.LOG_TAG, "[ChatSwitcher] " + msg);
| | public static android.content.Intent | makeChatIntent(android.content.ContentResolver resolver, long provider, long account, java.lang.String contact, long contactId, int groupChat)
Intent i = new Intent(Intent.ACTION_VIEW,
ContentUris.withAppendedId(Im.Chats.CONTENT_URI, contactId));
i.addCategory(findCategory(resolver, provider));
i.putExtra("from", contact);
i.putExtra("providerId", provider);
i.putExtra("accountId", account);
if (groupChat != 0) {
i.putExtra("groupChat", groupChat);
}
return i;
| | public void | onResume()
if (isOpen() && !mActivity.isFinishing()) {
mChatSwitcherDialog.updateTimes();
}
| | public void | open()
mChatSwitcherDialog = new ChatSwitcherDialog(mActivity, this);
mChatSwitcherDialog.show();
mOkToShowEmptyView = false;
mPreferMenuShortcut = false;
mSwitcherAdapter.registerDataSetObserver(mObserver);
startQuery();
mHandler.postDelayed(mSimpleUpdateRunnable, sPeriodicUpdatePeriod);
| | private void | rotateChat(android.database.Cursor c, int direction, java.lang.String contact, long accountId, long providerId)
int count = c.getCount();
if (count < 2) {
return;
}
int position = findCurrent(c, contact, accountId, providerId);
if (position == -1) {
return;
}
position += direction;
if (position == count) {
position = 0;
} else if (position == -1) {
position = count - 1;
}
select(c, position);
| | public void | rotateChat(int direction, java.lang.String contact, long accountId, long providerId)
if (direction != 1 && direction != -1) {
return;
}
if (mSwitcherAdapter.getCursor() != null) {
rotateChat(mSwitcherAdapter.getCursor(), direction, contact, accountId, providerId);
} else {
startQuery(new OnQueryCompleteRunnable() {
public void onComplete(Cursor c) {
rotateChat(c, direction, contact, accountId, providerId);
c.close();
}
});
}
| | public void | select(android.database.Cursor c, int position)
if (!c.moveToPosition(position)) {
Log.e(ImApp.LOG_TAG, "select: moved to pos=" + position + " failed");
return;
}
long contactId = c.getLong(mContactIdColumn);
String contact = c.getString(mUsernameColumn);
long accountId = c.getLong(mAccountIdColumn);
long providerId = c.getLong(mProviderIdColumn);
int groupChat = c.getInt(mGroupChatColumn);
Intent intent = ChatSwitcher.makeChatIntent(
mActivity.getContentResolver(), providerId, accountId,
contact, contactId, groupChat);
if (mSwitcherCallback == null || !mSwitcherCallback.switchTo(contact, accountId, intent)) {
mActivity.startActivity(intent);
mActivity.finish();
}
close();
| | private void | startQuery()
startQuery(new OnQueryCompleteRunnable() {
public void onComplete(Cursor c) {
mSwitcherAdapter.changeCursor(c);
}
});
| | private void | startQuery(com.android.im.app.ChatSwitcher$OnQueryCompleteRunnable runnable)
cancelPreviousQuery();
mQueryHandler.startQuery(
sQueryToken,
runnable,
Im.Contacts.CONTENT_URI_CHAT_CONTACTS,
null, /*projection*/
mQuerySelection,
mQuerySelectionArgs,
null /*orderBy*/);
| | private void | update()
if (mChatSwitcherDialog != null) {
mChatSwitcherDialog.update();
}
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