| /* |
| * 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.samples; |
| import android.renderscript.RSSurfaceView; |
| import android.renderscript.RenderScriptGL; |
| |
| import android.content.Context; |
| import android.view.MotionEvent; |
| |
| public class RsListView extends RSSurfaceView { |
| |
| public RsListView(Context context) { |
| super(context); |
| ensureRenderScript(); |
| } |
| |
| private RenderScriptGL mRS; |
| private RsListRS mRender; |
| |
| private void ensureRenderScript() { |
| if (mRS == null) { |
| RenderScriptGL.SurfaceConfig sc = new RenderScriptGL.SurfaceConfig(); |
| mRS = createRenderScriptGL(sc); |
| mRender = new RsListRS(); |
| mRender.init(mRS, getResources()); |
| } |
| } |
| |
| @Override |
| protected void onAttachedToWindow() { |
| super.onAttachedToWindow(); |
| ensureRenderScript(); |
| } |
| |
| @Override |
| protected void onDetachedFromWindow() { |
| mRender = null; |
| if (mRS != null) { |
| mRS = null; |
| destroyRenderScriptGL(); |
| } |
| } |
| |
| @Override |
| public boolean onTouchEvent(MotionEvent ev) |
| { |
| boolean ret = false; |
| int act = ev.getAction(); |
| if (act == MotionEvent.ACTION_DOWN) { |
| mRender.onActionDown((int)ev.getX(), (int)ev.getY()); |
| ret = true; |
| } else if (act == MotionEvent.ACTION_MOVE) { |
| mRender.onActionMove((int)ev.getX(), (int)ev.getY()); |
| ret = true; |
| } |
| |
| return ret; |
| } |
| } |
| |
| |