1/*
2 * Copyright (C) 2012 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 com.android.test.hwuicompare;
18
19import java.lang.reflect.InvocationTargetException;
20import java.lang.reflect.Method;
21
22import com.android.test.hwuicompare.R;
23
24import android.app.Activity;
25import android.graphics.Bitmap;
26import android.graphics.Canvas;
27import android.graphics.Color;
28import android.graphics.drawable.ColorDrawable;
29import android.os.Handler;
30import android.os.Trace;
31import android.util.Log;
32import android.view.View;
33
34abstract public class CompareActivity extends Activity {
35    private static final String LOG_TAG = "CompareActivity";
36
37    protected MainView mHardwareView = null;
38
39    protected Bitmap mSoftwareBitmap;
40    protected Bitmap mHardwareBitmap;
41
42    protected ErrorCalculator mErrorCalculator;
43
44    protected Handler mHandler;
45
46    Runnable mDrawCallback = null;
47    protected boolean mRedrewFlag = true;
48
49    protected void onCreateCommon(final Runnable postDrawCallback) {
50        mDrawCallback = new Runnable() {
51            @Override
52            public void run() {
53                mRedrewFlag = true;
54                mHandler.post(postDrawCallback);
55            };
56        };
57        getWindow().setBackgroundDrawable(new ColorDrawable(0xffefefef));
58        ResourceModifiers.init(getResources());
59
60        mHardwareView = (MainView) findViewById(R.id.hardware_view);
61        mHardwareView.setLayerType(View.LAYER_TYPE_HARDWARE, null);
62        mHardwareView.setBackgroundColor(Color.WHITE);
63        mHardwareView.addDrawCallback(mDrawCallback);
64
65        int width = getResources().getDimensionPixelSize(R.dimen.layer_width);
66        int height = getResources().getDimensionPixelSize(R.dimen.layer_height);
67        mSoftwareBitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
68        mHardwareBitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
69
70        mErrorCalculator = new ErrorCalculator(getApplicationContext(), getResources());
71
72        mHandler = new Handler();
73    }
74
75    protected abstract boolean forceRecreateBitmaps();
76
77    protected void loadBitmaps() {
78        Trace.traceBegin(Trace.TRACE_TAG_ALWAYS, "loadBitmaps");
79        if (forceRecreateBitmaps()) {
80            int width = mSoftwareBitmap.getWidth();
81            int height = mSoftwareBitmap.getHeight();
82
83            mSoftwareBitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
84            mHardwareBitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
85        }
86
87        Trace.traceBegin(Trace.TRACE_TAG_ALWAYS, "softwareDraw");
88        mHardwareView.draw(new Canvas(mSoftwareBitmap));
89        Trace.traceEnd(Trace.TRACE_TAG_ALWAYS);
90
91        try {
92            Method getHardwareLayer = View.class.getDeclaredMethod("getHardwareLayer");
93            if (!getHardwareLayer.isAccessible())
94                getHardwareLayer.setAccessible(true);
95            Object hardwareLayer = getHardwareLayer.invoke(mHardwareView);
96            if (hardwareLayer == null) {
97                Log.d(LOG_TAG, "failure to access hardware layer");
98                return;
99            }
100            Method copyInto = hardwareLayer.getClass()
101                    .getDeclaredMethod("copyInto", Bitmap.class);
102            if (!copyInto.isAccessible())
103                copyInto.setAccessible(true);
104
105            Trace.traceBegin(Trace.TRACE_TAG_ALWAYS, "copyInto");
106            boolean success = (Boolean) copyInto.invoke(hardwareLayer, mHardwareBitmap);
107            Trace.traceEnd(Trace.TRACE_TAG_ALWAYS);
108            if (!success) {
109                Log.d(LOG_TAG, "failure to copy hardware layer into bitmap");
110            }
111        } catch (NoSuchMethodException e) {
112            e.printStackTrace();
113        } catch (IllegalArgumentException e) {
114            e.printStackTrace();
115        } catch (IllegalAccessException e) {
116            e.printStackTrace();
117        } catch (InvocationTargetException e) {
118            e.printStackTrace();
119        }
120        Trace.traceEnd(Trace.TRACE_TAG_ALWAYS);
121    }
122}
123