1/*
2 * Copyright (C) 2013 DroidDriver committers
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.google.android.droiddriver.instrumentation;
18
19import android.graphics.Bitmap;
20import android.graphics.Canvas;
21import android.graphics.Rect;
22import android.graphics.RectF;
23import android.graphics.Bitmap.Config;
24import android.util.Log;
25import android.view.View;
26
27import com.google.android.droiddriver.base.BaseUiDevice;
28import com.google.android.droiddriver.base.DroidDriverContext;
29import com.google.android.droiddriver.util.Logs;
30
31class InstrumentationUiDevice extends BaseUiDevice {
32  private final DroidDriverContext<View, ViewElement> context;
33
34  InstrumentationUiDevice(DroidDriverContext<View, ViewElement> context) {
35    this.context = context;
36  }
37
38  @Override
39  protected Bitmap takeScreenshot() {
40    ScreenshotRunnable screenshotRunnable =
41        new ScreenshotRunnable(context.getDriver().getRootElement().getRawElement());
42    context.runOnMainSync(screenshotRunnable);
43    return screenshotRunnable.screenshot;
44  }
45
46  @Override
47  protected DroidDriverContext<View, ViewElement> getContext() {
48    return context;
49  }
50
51  private static class ScreenshotRunnable implements Runnable {
52    private final View rootView;
53    Bitmap screenshot;
54
55    private ScreenshotRunnable(View rootView) {
56      this.rootView = rootView;
57    }
58
59    @Override
60    public void run() {
61      try {
62        rootView.destroyDrawingCache();
63        rootView.buildDrawingCache(false);
64        Bitmap drawingCache = rootView.getDrawingCache();
65        int[] xy = new int[2];
66        rootView.getLocationOnScreen(xy);
67        if (xy[0] == 0 && xy[1] == 0) {
68          screenshot = Bitmap.createBitmap(drawingCache);
69        } else {
70          Canvas canvas = new Canvas();
71          Rect rect = new Rect(0, 0, drawingCache.getWidth(), drawingCache.getHeight());
72          rect.offset(xy[0], xy[1]);
73          screenshot =
74              Bitmap.createBitmap(rect.width() + xy[0], rect.height() + xy[1], Config.ARGB_8888);
75          canvas.setBitmap(screenshot);
76          canvas.drawBitmap(drawingCache, null, new RectF(rect), null);
77          canvas.setBitmap(null);
78        }
79        rootView.destroyDrawingCache();
80      } catch (Throwable e) {
81        Logs.log(Log.ERROR, e);
82      }
83    }
84  }
85}
86