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1 /*
2  * Copyright (C) 2010 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 
17 package com.android.hierarchyviewer;
18 
19 import com.android.hierarchyviewerlib.HierarchyViewerDirector;
20 import com.android.sdklib.SdkConstants;
21 
22 import java.io.File;
23 import java.util.concurrent.ExecutorService;
24 import java.util.concurrent.Executors;
25 
26 /**
27  * This is the application version of the director.
28  */
29 public class HierarchyViewerApplicationDirector extends HierarchyViewerDirector {
30 
31     private final ExecutorService mExecutor = Executors.newSingleThreadExecutor();
32 
createDirector()33     public static HierarchyViewerDirector createDirector() {
34         return sDirector = new HierarchyViewerApplicationDirector();
35     }
36 
37     @Override
terminate()38     public void terminate() {
39         super.terminate();
40         mExecutor.shutdown();
41     }
42 
43     /*
44      * Gets the location of adb. The script that runs the hierarchy viewer
45      * defines com.android.hierarchyviewer.bindir.
46      */
47     @Override
getAdbLocation()48     public String getAdbLocation() {
49         String hvParentLocation = System.getProperty("com.android.hierarchyviewer.bindir"); //$NON-NLS-1$
50 
51         // in the new SDK, adb is in the platform-tools, but when run from the command line
52         // in the Android source tree, then adb is next to hierarchyviewer.
53         if (hvParentLocation != null && hvParentLocation.length() != 0) {
54             // check if there's a platform-tools folder
55             File platformTools = new File(new File(hvParentLocation).getParent(),
56                     SdkConstants.FD_PLATFORM_TOOLS);
57             if (platformTools.isDirectory()) {
58                 return platformTools.getAbsolutePath() + File.separator + SdkConstants.FN_ADB;
59             }
60 
61             return hvParentLocation + File.separator + SdkConstants.FN_ADB;
62         }
63 
64         return SdkConstants.FN_ADB;
65     }
66 
67     /*
68      * In the application, we handle background tasks using a single thread,
69      * just to get rid of possible race conditions that can occur. We update the
70      * progress bar to show that we are doing something in the background.
71      */
72     @Override
executeInBackground(final String taskName, final Runnable task)73     public void executeInBackground(final String taskName, final Runnable task) {
74         mExecutor.execute(new Runnable() {
75             @Override
76             public void run() {
77                 HierarchyViewerApplication.getMainWindow().startTask(taskName);
78                 task.run();
79                 HierarchyViewerApplication.getMainWindow().endTask();
80             }
81         });
82     }
83 
84 }
85