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      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 android.text;
     18 
     19 import android.content.Context;
     20 import android.os.RemoteException;
     21 import android.os.Handler;
     22 import android.os.IBinder;
     23 import android.os.ServiceManager;
     24 import android.util.Log;
     25 
     26 /**
     27  * Interface to the clipboard service, for placing and retrieving text in
     28  * the global clipboard.
     29  *
     30  * <p>
     31  * You do not instantiate this class directly; instead, retrieve it through
     32  * {@link android.content.Context#getSystemService}.
     33  *
     34  * @see android.content.Context#getSystemService
     35  */
     36 public class ClipboardManager {
     37     private static IClipboard sService;
     38 
     39     private Context mContext;
     40 
     41     static private IClipboard getService() {
     42         if (sService != null) {
     43             return sService;
     44         }
     45         IBinder b = ServiceManager.getService("clipboard");
     46         sService = IClipboard.Stub.asInterface(b);
     47         return sService;
     48     }
     49 
     50     /** {@hide} */
     51     public ClipboardManager(Context context, Handler handler) {
     52         mContext = context;
     53     }
     54 
     55     /**
     56      * Returns the text on the clipboard.  It will eventually be possible
     57      * to store types other than text too, in which case this will return
     58      * null if the type cannot be coerced to text.
     59      */
     60     public CharSequence getText() {
     61         try {
     62             return getService().getClipboardText();
     63         } catch (RemoteException e) {
     64             return null;
     65         }
     66     }
     67 
     68     /**
     69      * Sets the contents of the clipboard to the specified text.
     70      */
     71     public void setText(CharSequence text) {
     72         try {
     73             getService().setClipboardText(text);
     74         } catch (RemoteException e) {
     75         }
     76     }
     77 
     78     /**
     79      * Returns true if the clipboard contains text; false otherwise.
     80      */
     81     public boolean hasText() {
     82         try {
     83             return getService().hasClipboardText();
     84         } catch (RemoteException e) {
     85             return false;
     86         }
     87     }
     88 }
     89