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 
17 package io.appium.droiddriver.base;
18 
19 import android.app.Instrumentation;
20 
21 import java.util.Map;
22 import java.util.WeakHashMap;
23 
24 import io.appium.droiddriver.finders.ByXPath;
25 
26 /**
27  * Internal helper for DroidDriver implementation.
28  */
29 public 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 
DroidDriverContext(Instrumentation instrumentation, BaseDroidDriver<R, E> driver)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 
getInstrumentation()40   public Instrumentation getInstrumentation() {
41     return instrumentation;
42   }
43 
getDriver()44   public BaseDroidDriver<R, E> getDriver() {
45     return driver;
46   }
47 
getElement(R rawElement, E parent)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 
newRootElement(R rawRoot)57   public E newRootElement(R rawRoot) {
58     clearData();
59     return getElement(rawRoot, null /* parent */);
60   }
61 
clearData()62   private void clearData() {
63     map.clear();
64     ByXPath.clearData();
65   }
66 }
67