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.base;
18
19import android.app.Instrumentation;
20
21import java.util.Map;
22import java.util.WeakHashMap;
23
24import io.appium.droiddriver.finders.ByXPath;
25
26/**
27 * Internal helper for DroidDriver implementation.
28 */
29public class DroidDriverContext<R, E extends BaseUiElement<R, E>> {
30  private final Instrumentation instrumentation;
31  private final BaseDroidDriver<R, E> driver;
32  private final Map<R, E> map;
33
34  public DroidDriverContext(Instrumentation instrumentation, BaseDroidDriver<R, E> driver) {
35    this.instrumentation = instrumentation;
36    this.driver = driver;
37    map = new WeakHashMap<R, E>();
38  }
39
40  public Instrumentation getInstrumentation() {
41    return instrumentation;
42  }
43
44  public BaseDroidDriver<R, E> getDriver() {
45    return driver;
46  }
47
48  public E getElement(R rawElement, E parent) {
49    E element = map.get(rawElement);
50    if (element == null) {
51      element = driver.newUiElement(rawElement, parent);
52      map.put(rawElement, element);
53    }
54    return element;
55  }
56
57  public E newRootElement(R rawRoot) {
58    clearData();
59    return getElement(rawRoot, null /* parent */);
60  }
61
62  private void clearData() {
63    map.clear();
64    ByXPath.clearData();
65  }
66}
67