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1 | /******************************************************************************* |
2 | * Copyright (c) 2011 Ericsson | |
3 | * | |
4 | * All rights reserved. This program and the accompanying materials are | |
5 | * made available under the terms of the Eclipse Public License v1.0 which | |
6 | * accompanies this distribution, and is available at | |
7 | * http://www.eclipse.org/legal/epl-v10.html | |
8 | * | |
9 | * Contributors: | |
10 | * Bernd Hufmann - Initial API and implementation | |
11 | *******************************************************************************/ | |
12 | package org.eclipse.linuxtools.lttng.ui.tests.control.model.component; | |
13 | ||
14 | import org.eclipse.core.runtime.jobs.Job; | |
15 | import org.eclipse.linuxtools.lttng.ui.views.control.ControlView; | |
16 | import org.eclipse.swt.widgets.Display; | |
17 | import org.eclipse.ui.IViewPart; | |
18 | import org.eclipse.ui.PartInitException; | |
19 | import org.eclipse.ui.PlatformUI; | |
20 | ||
21 | /** | |
22 | * Singleton class to facilitate the test cases. Creates UML2SD view and loader objects as well as provides | |
23 | * utility methods for interacting with the loader/view. | |
24 | */ | |
25 | public class TraceControlTestFacility { | |
26 | ||
27 | // ------------------------------------------------------------------------ | |
28 | // Constants | |
29 | // ------------------------------------------------------------------------ | |
30 | ||
31 | final static public int WAIT_FOR_JOBS_DELAY = 1000; | |
32 | final static public int GUI_REFESH_DELAY = 500; | |
33 | ||
34 | // ------------------------------------------------------------------------ | |
35 | // Attributes | |
36 | // ------------------------------------------------------------------------ | |
37 | private static TraceControlTestFacility fInstance = null; | |
38 | private ControlView fControlView = null; | |
39 | private boolean fIsInitialized = false; | |
40 | ||
41 | // ------------------------------------------------------------------------ | |
42 | // Constructors | |
43 | // ------------------------------------------------------------------------ | |
44 | private TraceControlTestFacility() { | |
45 | } | |
46 | ||
47 | // ------------------------------------------------------------------------ | |
48 | // Operations | |
49 | // ------------------------------------------------------------------------ | |
50 | public static TraceControlTestFacility getInstance() { | |
51 | if (fInstance == null) { | |
52 | fInstance = new TraceControlTestFacility(); | |
53 | } | |
54 | return fInstance; | |
55 | } | |
56 | ||
57 | /** | |
58 | * Initial the test facility. | |
59 | */ | |
60 | public void init() { | |
61 | ||
62 | if (!fIsInitialized) { | |
63 | ||
64 | IViewPart view; | |
65 | try { | |
66 | view = PlatformUI.getWorkbench() | |
67 | .getActiveWorkbenchWindow() | |
68 | .getActivePage() | |
69 | .showView(ControlView.ID); | |
70 | ||
71 | } catch (PartInitException e) { | |
72 | throw new RuntimeException(e); | |
73 | } | |
74 | ||
75 | fControlView = (ControlView) view; | |
76 | ||
77 | delay(3000); | |
78 | fIsInitialized = true; | |
79 | } | |
80 | } | |
81 | ||
82 | ||
83 | public void dispose() { | |
84 | if (fIsInitialized) { | |
85 | waitForJobs(); | |
86 | ||
87 | PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage().hideView(fControlView); | |
88 | fIsInitialized = false; | |
89 | } | |
90 | } | |
91 | ||
92 | public void delay(long waitTimeMillis) { | |
93 | Display display = Display.getCurrent(); | |
94 | if (display != null) { | |
95 | long endTimeMillis = System.currentTimeMillis() + waitTimeMillis; | |
96 | while(System.currentTimeMillis() < endTimeMillis) { | |
97 | if (!display.readAndDispatch()) { | |
98 | display.sleep(); | |
99 | } | |
100 | display.update(); | |
101 | } | |
102 | } else { | |
103 | try { | |
104 | Thread.sleep(waitTimeMillis); | |
105 | } catch (InterruptedException e) { | |
106 | // Ignored | |
107 | } | |
108 | } | |
109 | } | |
110 | ||
111 | /** | |
112 | * Waits for all Eclipse jobs to finish | |
113 | */ | |
114 | public void waitForJobs() { | |
115 | while (!Job.getJobManager().isIdle()) { | |
116 | delay(WAIT_FOR_JOBS_DELAY); | |
117 | } | |
118 | } | |
119 | ||
120 | ||
121 | /** | |
122 | * @return current control view | |
123 | */ | |
124 | public ControlView getControlView() { | |
125 | return fControlView; | |
126 | } | |
127 | } |