chooseaccountactivity.java

Android平台上即时通讯聊天工具源代码。 支持手机聊天。

        }

        case ID_REMOVE_ACCOUNT:
        {
            Cursor c = (Cursor)mAdapter.getItem(position);
            if (c != null) {
                long accountId = c.getLong(ACTIVE_ACCOUNT_ID_COLUMN);
                Uri accountUri = ContentUris.withAppendedId(Im.Account.CONTENT_URI, accountId);
                getContentResolver().delete(accountUri, null, null);
                // Requery the cursor to force refreshing screen
                c.requery();
            }
            return true;
        }

        case ID_VIEW_CONTACT_LIST:
        case ID_ADD_ACCOUNT:
        case ID_SIGN_IN:
            Intent i = mAdapter.intentForPosition(position);
            if (i != null) {
                startActivity(i);
            }
            return true;

        case ID_SIGN_OUT:
            // TODO: progress bar
            IImConnection conn = mApp.getConnection(providerId);
            if (conn != null) {
                try {
                    conn.logout();
                } catch (RemoteException e) {
                }
            }
            return true;

        case ID_SETTINGS:
            Intent settingsIntent = mAdapter.settingsIntentForPosition(position);
            if (settingsIntent != null) {
                startActivity(settingsIntent);
            }
            return true;

        }

        return false;
    }

    @Override
    protected void onListItemClick(ListView l, View v, int position, long id) {
        startActivityAtPosition(position);
    }

    void startActivityAtPosition(int position) {
        Intent i = mAdapter.intentForPosition(position);
        if (i != null) {
            startActivity(i);
        }
    }

    static void log(String msg) {
        Log.d(ImApp.LOG_TAG, "[ChooseAccount]" + msg);
    }

    @Override
    protected void onRestart() {
        super.onRestart();

        mApp.startImServiceIfNeed();
        mApp.registerForConnEvents(mHandler);
    }

    @Override
    protected void onStop() {
        super.onStop();

        mApp.unregisterForConnEvents(mHandler);
        mApp.unregisterForBroadcastEvent(ImApp.EVENT_SERVICE_CONNECTED, mHandler);
        mApp.stopImServiceIfInactive();
    }

    boolean isSigningIn(long accountId) {
        IImConnection conn = mApp.getConnectionByAccount(accountId);
        try {
            return (conn == null) ? false : (conn.getState() == ImConnection.LOGGING_IN);
        } catch (RemoteException e) {
            return false;
        }
    }

    boolean isSignedIn(long accountId) {
        try {
            IImConnection conn = mApp.getConnectionByAccount(accountId);
            if (conn == null) {
                return false;
            }
            int state = conn.getState();
            return state == ImConnection.LOGGED_IN || state == ImConnection.SUSPENDED;
        } catch (RemoteException e) {
            return false;
        }
    }



    private final class MyHandler extends SimpleAlertHandler {
        public MyHandler() {
            super(ChooseAccountActivity.this);
        }

        @Override
        public void handleMessage(Message msg) {
            switch(msg.what) {
                case ImApp.EVENT_CONNECTION_DISCONNECTED:
                    promptDisconnectedEvent(msg);
                // fall through
                case ImApp.EVENT_SERVICE_CONNECTED:
                case ImApp.EVENT_CONNECTION_CREATED:
                case ImApp.EVENT_CONNECTION_LOGGING_IN:
                case ImApp.EVENT_CONNECTION_LOGGED_IN:
                    getListView().invalidateViews();
                    return;
            }
            super.handleMessage(msg);
        }
    }

    private class ProviderListItemFactory implements LayoutInflater.Factory {
        public View onCreateView(String name, Context context, AttributeSet attrs) {
            if (name != null && name.equals(ProviderListItem.class.getName())) {
                return new ProviderListItem(context, ChooseAccountActivity.this);
            }
            return null;
        }
    }

    private final class ProviderAdapter extends CursorAdapter {
        private LayoutInflater mInflater;

        public ProviderAdapter(Context context, Cursor c) {
            super(context, c);
            mInflater = LayoutInflater.from(context).cloneInContext(context);
            mInflater.setFactory(new ProviderListItemFactory());
        }

        @Override
        public View newView(Context context, Cursor cursor, ViewGroup parent) {
            // create a custom view, so we can manage it ourselves. Mainly, we want to
            // initialize the widget views (by calling getViewById()) in newView() instead of in
            // bindView(), which can be called more often.
            ProviderListItem view = (ProviderListItem) mInflater.inflate(
                    R.layout.account_view, parent, false);
            view.init(cursor);
            return view;
        }

        @Override
        public void bindView(View view, Context context, Cursor cursor) {
            ((ProviderListItem) view).bindView(cursor);
        }

        public Intent intentForPosition(int position) {
            Intent intent = null;

            if (mCursor == null) {
                return null;
            }

            mCursor.moveToPosition(position);
            long providerId = mCursor.getLong(PROVIDER_ID_COLUMN);

            if (mCursor.isNull(ACTIVE_ACCOUNT_ID_COLUMN)) {
                // add account
                intent = new Intent(ChooseAccountActivity.this, AccountActivity.class);
                intent.setAction(Intent.ACTION_INSERT);
                intent.setData(ContentUris.withAppendedId(Im.Provider.CONTENT_URI, providerId));
            } else {
                long accountId = mCursor.getLong(ACTIVE_ACCOUNT_ID_COLUMN);

                IImConnection conn = mApp.getConnection(providerId);
                int state = getConnState(conn);
                if (state < ImConnection.LOGGED_IN ) {
                    Uri accountUri = ContentUris.withAppendedId(Im.Account.CONTENT_URI, accountId);
                    if (mCursor.isNull(ACTIVE_ACCOUNT_PW_COLUMN)) {
                        // no password, edit the account
                        intent = new Intent(ChooseAccountActivity.this, AccountActivity.class);
                        intent.setAction(Intent.ACTION_EDIT);
                        intent.setData(accountUri);
                    } else {
                        // intent for sign in
                        intent = new Intent(ChooseAccountActivity.this, SigningInActivity.class);
                        intent.setData(accountUri);
                    }
                } else if (state == ImConnection.LOGGED_IN || state == ImConnection.SUSPENDED) {
                    intent = new Intent(Intent.ACTION_VIEW);
                    intent.setClass(ChooseAccountActivity.this, ContactListActivity.class);
                    intent.putExtra(ImServiceConstants.EXTRA_INTENT_ACCOUNT_ID, accountId);
                }
            }
            return intent;
        }

        public Intent settingsIntentForPosition(int position) {
            Intent intent = null;

            if (mCursor == null) {
                return null;
            }

            mCursor.moveToPosition(position);
            Long providerId = mCursor.getLong(PROVIDER_ID_COLUMN);
            intent = new Intent(ChooseAccountActivity.this, SettingActivity.class);
            intent.putExtra(ImServiceConstants.EXTRA_INTENT_PROVIDER_ID, providerId);

            return intent;
        }

        private int getConnState(IImConnection conn) {
            try {
                return conn == null ? ImConnection.DISCONNECTED : conn.getState();
            } catch (RemoteException e) {
                return ImConnection.DISCONNECTED;
            }
        }
    }
}