| /* |
| * Copyright (C) 2008 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.android.server; |
| |
| import android.content.ClipData; |
| import android.content.ClipDescription; |
| import android.content.IClipboard; |
| import android.content.IOnPrimaryClipChangedListener; |
| import android.content.Context; |
| import android.os.RemoteCallbackList; |
| import android.os.RemoteException; |
| |
| /** |
| * Implementation of the clipboard for copy and paste. |
| */ |
| public class ClipboardService extends IClipboard.Stub { |
| private ClipData mPrimaryClip; |
| private final RemoteCallbackList<IOnPrimaryClipChangedListener> mPrimaryClipListeners |
| = new RemoteCallbackList<IOnPrimaryClipChangedListener>(); |
| |
| /** |
| * Instantiates the clipboard. |
| */ |
| public ClipboardService(Context context) { } |
| |
| public void setPrimaryClip(ClipData clip) { |
| synchronized (this) { |
| if (clip != null && clip.getItemCount() <= 0) { |
| throw new IllegalArgumentException("No items"); |
| } |
| mPrimaryClip = clip; |
| final int n = mPrimaryClipListeners.beginBroadcast(); |
| for (int i = 0; i < n; i++) { |
| try { |
| mPrimaryClipListeners.getBroadcastItem(i).dispatchPrimaryClipChanged(); |
| } catch (RemoteException e) { |
| |
| // The RemoteCallbackList will take care of removing |
| // the dead object for us. |
| } |
| } |
| mPrimaryClipListeners.finishBroadcast(); |
| } |
| } |
| |
| public ClipData getPrimaryClip() { |
| synchronized (this) { |
| return mPrimaryClip; |
| } |
| } |
| |
| public ClipDescription getPrimaryClipDescription() { |
| synchronized (this) { |
| return new ClipDescription(mPrimaryClip); |
| } |
| } |
| |
| public boolean hasPrimaryClip() { |
| synchronized (this) { |
| return mPrimaryClip != null; |
| } |
| } |
| |
| public void addPrimaryClipChangedListener(IOnPrimaryClipChangedListener listener) { |
| synchronized (this) { |
| mPrimaryClipListeners.register(listener); |
| } |
| } |
| |
| public void removePrimaryClipChangedListener(IOnPrimaryClipChangedListener listener) { |
| synchronized (this) { |
| mPrimaryClipListeners.unregister(listener); |
| } |
| } |
| |
| public boolean hasClipboardText() { |
| synchronized (this) { |
| if (mPrimaryClip != null) { |
| CharSequence text = mPrimaryClip.getItem(0).getText(); |
| return text != null && text.length() > 0; |
| } |
| return false; |
| } |
| } |
| } |