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 io.appium.droiddriver.instrumentation;
18
19import android.graphics.Bitmap;
20import android.graphics.Bitmap.Config;
21import android.graphics.Canvas;
22import android.graphics.Rect;
23import android.graphics.RectF;
24import android.util.Log;
25import android.view.View;
26
27import java.util.concurrent.Callable;
28
29import io.appium.droiddriver.base.BaseUiDevice;
30import io.appium.droiddriver.base.DroidDriverContext;
31import io.appium.droiddriver.util.InstrumentationUtils;
32import io.appium.droiddriver.util.Logs;
33
34class InstrumentationUiDevice extends BaseUiDevice {
35  private final DroidDriverContext<View, ViewElement> context;
36
37  InstrumentationUiDevice(DroidDriverContext<View, ViewElement> context) {
38    this.context = context;
39  }
40
41  @Override
42  protected Bitmap takeScreenshot() {
43    try {
44      return InstrumentationUtils.runOnMainSyncWithTimeout(new GetScreenshot(
45          context.getDriver().getRootElement().getRawElement()));
46    } catch (Throwable e) {
47      Logs.log(Log.ERROR, e);
48      return null;
49    }
50  }
51
52  @Override
53  protected DroidDriverContext<View, ViewElement> getContext() {
54    return context;
55  }
56
57  private static class GetScreenshot implements Callable<Bitmap> {
58    private final View rootView;
59
60    private GetScreenshot(View rootView) {
61      this.rootView = rootView;
62    }
63
64    @Override
65    public Bitmap call() {
66      Bitmap screenshot;
67      rootView.destroyDrawingCache();
68      rootView.buildDrawingCache(false);
69      Bitmap drawingCache = rootView.getDrawingCache();
70
71      int[] xy = new int[2];
72      rootView.getLocationOnScreen(xy);
73      if (xy[0] == 0 && xy[1] == 0) {
74        screenshot = Bitmap.createBitmap(drawingCache);
75      } else {
76        Canvas canvas = new Canvas();
77        Rect rect = new Rect(0, 0, drawingCache.getWidth(), drawingCache.getHeight());
78        rect.offset(xy[0], xy[1]);
79        screenshot =
80            Bitmap.createBitmap(rect.width() + xy[0], rect.height() + xy[1], Config.ARGB_8888);
81        canvas.setBitmap(screenshot);
82        canvas.drawBitmap(drawingCache, null, new RectF(rect), null);
83        canvas.setBitmap(null);
84      }
85      rootView.destroyDrawingCache();
86      return screenshot;
87    }
88  }
89}
90