Home | History | Annotate | Download | only in ddmuilib 
      1 /*
      2  * Copyright (C) 2007 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 package com.android.ddmuilib;
     18 
     19 import com.android.ddmlib.Client;
     20 import com.android.ddmlib.IDevice;
     21 
     22 /**
     23  * A Panel that requires {@link Device}/{@link Client} selection notifications.
     24  */
     25 public abstract class SelectionDependentPanel extends Panel {
     26     private IDevice mCurrentDevice = null;
     27     private Client mCurrentClient = null;
     28 
     29     /**
     30      * Returns the current {@link Device}.
     31      * @return the current device or null if none are selected.
     32      */
     33     protected final IDevice getCurrentDevice() {
     34         return mCurrentDevice;
     35     }
     36 
     37     /**
     38      * Returns the current {@link Client}.
     39      * @return the current client or null if none are selected.
     40      */
     41     protected final Client getCurrentClient() {
     42         return mCurrentClient;
     43     }
     44 
     45     /**
     46      * Sent when a new device is selected.
     47      * @param selectedDevice the selected device.
     48      */
     49     public final void deviceSelected(IDevice selectedDevice) {
     50         if (selectedDevice != mCurrentDevice) {
     51             mCurrentDevice = selectedDevice;
     52             deviceSelected();
     53         }
     54     }
     55 
     56     /**
     57      * Sent when a new client is selected.
     58      * @param selectedClient the selected client.
     59      */
     60     public final void clientSelected(Client selectedClient) {
     61         if (selectedClient != mCurrentClient) {
     62             mCurrentClient = selectedClient;
     63             clientSelected();
     64         }
     65     }
     66 
     67     /**
     68      * Sent when a new device is selected. The new device can be accessed
     69      * with {@link #getCurrentDevice()}.
     70      */
     71     public abstract void deviceSelected();
     72 
     73     /**
     74      * Sent when a new client is selected. The new client can be accessed
     75      * with {@link #getCurrentClient()}.
     76      */
     77     public abstract void clientSelected();
     78 }
     79