| /* |
| * Copyright (C) 2016 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.systemui.tuner; |
| |
| import android.content.ClipData; |
| import android.content.ClipboardManager; |
| import android.content.ClipboardManager.OnPrimaryClipChangedListener; |
| import android.content.Context; |
| import android.util.AttributeSet; |
| import android.view.DragEvent; |
| import android.view.MotionEvent; |
| import android.view.View; |
| import android.widget.ImageView; |
| |
| import com.android.systemui.R; |
| |
| public class ClipboardView extends ImageView implements OnPrimaryClipChangedListener { |
| |
| private static final int TARGET_COLOR = 0x4dffffff; |
| private final ClipboardManager mClipboardManager; |
| private ClipData mCurrentClip; |
| |
| public ClipboardView(Context context, AttributeSet attrs) { |
| super(context, attrs); |
| mClipboardManager = context.getSystemService(ClipboardManager.class); |
| } |
| |
| @Override |
| protected void onAttachedToWindow() { |
| super.onAttachedToWindow(); |
| startListening(); |
| } |
| |
| @Override |
| protected void onDetachedFromWindow() { |
| super.onDetachedFromWindow(); |
| stopListening(); |
| } |
| |
| @Override |
| public boolean onTouchEvent(MotionEvent ev) { |
| if (ev.getActionMasked() == MotionEvent.ACTION_DOWN && mCurrentClip != null) { |
| startPocketDrag(); |
| } |
| return super.onTouchEvent(ev); |
| } |
| |
| @Override |
| public boolean onDragEvent(DragEvent event) { |
| switch (event.getAction()) { |
| case DragEvent.ACTION_DRAG_ENTERED: |
| setBackgroundDragTarget(true); |
| break; |
| case DragEvent.ACTION_DROP: |
| mClipboardManager.setPrimaryClip(event.getClipData()); |
| case DragEvent.ACTION_DRAG_EXITED: |
| case DragEvent.ACTION_DRAG_ENDED: |
| setBackgroundDragTarget(false); |
| break; |
| } |
| return true; |
| } |
| |
| private void setBackgroundDragTarget(boolean isTarget) { |
| setBackgroundColor(isTarget ? TARGET_COLOR : 0); |
| } |
| |
| public void startPocketDrag() { |
| startDragAndDrop(mCurrentClip, new View.DragShadowBuilder(this), null, |
| View.DRAG_FLAG_GLOBAL); |
| } |
| |
| public void startListening() { |
| mClipboardManager.addPrimaryClipChangedListener(this); |
| onPrimaryClipChanged(); |
| } |
| |
| public void stopListening() { |
| mClipboardManager.removePrimaryClipChangedListener(this); |
| } |
| |
| @Override |
| public void onPrimaryClipChanged() { |
| mCurrentClip = mClipboardManager.getPrimaryClip(); |
| setImageResource(mCurrentClip != null |
| ? R.drawable.clipboard_full : R.drawable.clipboard_empty); |
| } |
| } |