1/*
2 * Copyright (C) 2011 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
17package android.renderscript;
18
19import android.content.Context;
20import android.graphics.SurfaceTexture;
21import android.util.AttributeSet;
22import android.view.TextureView;
23
24/**
25 * @hide
26 * @deprecated in API 16
27 * The Texture View for a graphics renderscript (RenderScriptGL)
28 * to draw on.
29 *
30 */
31public class RSTextureView extends TextureView implements TextureView.SurfaceTextureListener {
32    private RenderScriptGL mRS;
33    private SurfaceTexture mSurfaceTexture;
34
35    /**
36     * @deprecated in API 16
37     * Standard View constructor. In order to render something, you
38     * must call {@link android.opengl.GLSurfaceView#setRenderer} to
39     * register a renderer.
40     */
41    public RSTextureView(Context context) {
42        super(context);
43        init();
44        //Log.v(RenderScript.LOG_TAG, "RSSurfaceView");
45    }
46
47    /**
48     * @deprecated in API 16
49     * Standard View constructor. In order to render something, you
50     * must call {@link android.opengl.GLSurfaceView#setRenderer} to
51     * register a renderer.
52     */
53    public RSTextureView(Context context, AttributeSet attrs) {
54        super(context, attrs);
55        init();
56        //Log.v(RenderScript.LOG_TAG, "RSSurfaceView");
57    }
58
59    private void init() {
60        setSurfaceTextureListener(this);
61        //android.util.Log.e("rs", "getSurfaceTextureListerner " + getSurfaceTextureListener());
62    }
63
64    /**
65     * @deprecated in API 16
66     */
67    @Override
68    public void onSurfaceTextureAvailable(SurfaceTexture surface, int width, int height) {
69        //Log.e(RenderScript.LOG_TAG, "onSurfaceTextureAvailable");
70        mSurfaceTexture = surface;
71
72        if (mRS != null) {
73            mRS.setSurfaceTexture(mSurfaceTexture, width, height);
74        }
75    }
76
77    /**
78     * @deprecated in API 16
79     */
80    @Override
81    public void onSurfaceTextureSizeChanged(SurfaceTexture surface, int width, int height) {
82        //Log.e(RenderScript.LOG_TAG, "onSurfaceTextureSizeChanged");
83        mSurfaceTexture = surface;
84
85        if (mRS != null) {
86            mRS.setSurfaceTexture(mSurfaceTexture, width, height);
87        }
88    }
89
90    /**
91     * @deprecated in API 16
92     */
93    @Override
94    public boolean onSurfaceTextureDestroyed(SurfaceTexture surface) {
95        //Log.e(RenderScript.LOG_TAG, "onSurfaceTextureDestroyed");
96        mSurfaceTexture = surface;
97
98        if (mRS != null) {
99            mRS.setSurfaceTexture(null, 0, 0);
100        }
101
102        return true;
103    }
104
105    /**
106     * @deprecated in API 16
107     */
108    @Override
109    public void onSurfaceTextureUpdated(SurfaceTexture surface) {
110        //Log.e(RenderScript.LOG_TAG, "onSurfaceTextureUpdated");
111        mSurfaceTexture = surface;
112    }
113
114   /**
115     * @deprecated in API 16
116     * Inform the view that the activity is paused. The owner of this view must
117     * call this method when the activity is paused. Calling this method will
118     * pause the rendering thread.
119     * Must not be called before a renderer has been set.
120     */
121    public void pause() {
122        if(mRS != null) {
123            mRS.pause();
124        }
125    }
126
127    /**
128     * @deprecated in API 16
129     * Inform the view that the activity is resumed. The owner of this view must
130     * call this method when the activity is resumed. Calling this method will
131     * recreate the OpenGL display and resume the rendering
132     * thread.
133     * Must not be called before a renderer has been set.
134     */
135    public void resume() {
136        if(mRS != null) {
137            mRS.resume();
138        }
139    }
140
141    /**
142     * @deprecated in API 16
143     * Create a new RenderScriptGL object and attach it to the
144     * TextureView if present.
145     *
146     *
147     * @param sc The RS surface config to create.
148     *
149     * @return RenderScriptGL The new object created.
150     */
151    public RenderScriptGL createRenderScriptGL(RenderScriptGL.SurfaceConfig sc) {
152        RenderScriptGL rs = new RenderScriptGL(this.getContext(), sc);
153        setRenderScriptGL(rs);
154        if (mSurfaceTexture != null) {
155            mRS.setSurfaceTexture(mSurfaceTexture, getWidth(), getHeight());
156        }
157        return rs;
158    }
159
160    /**
161     * @deprecated in API 16
162     * Destroy the RenderScriptGL object associated with this
163     * TextureView.
164     */
165    public void destroyRenderScriptGL() {
166        mRS.destroy();
167        mRS = null;
168    }
169
170    /**
171     * @deprecated in API 16
172     * Set a new RenderScriptGL object.  This also will attach the
173     * new object to the TextureView if present.
174     *
175     * @param rs The new RS object.
176     */
177    public void setRenderScriptGL(RenderScriptGL rs) {
178        mRS = rs;
179        if (mSurfaceTexture != null) {
180            mRS.setSurfaceTexture(mSurfaceTexture, getWidth(), getHeight());
181        }
182    }
183
184    /**
185     * @deprecated in API 16
186     * Returns the previously set RenderScriptGL object.
187     *
188     * @return RenderScriptGL
189     */
190    public RenderScriptGL getRenderScriptGL() {
191        return mRS;
192    }
193}
194
195