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e8251298 PT |
1 | /******************************************************************************* |
2 | * Copyright (c) 2013 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 | * Patrick Tasse - Initial API and implementation | |
11 | *******************************************************************************/ | |
12 | ||
13 | package org.eclipse.linuxtools.tmf.ui.views.callstack; | |
14 | ||
52974e38 | 15 | import org.eclipse.linuxtools.internal.tmf.ui.Activator; |
e8251298 PT |
16 | import org.eclipse.linuxtools.tmf.core.exceptions.AttributeNotFoundException; |
17 | import org.eclipse.linuxtools.tmf.core.exceptions.StateSystemDisposedException; | |
18 | import org.eclipse.linuxtools.tmf.core.exceptions.TimeRangeException; | |
e8251298 PT |
19 | import org.eclipse.linuxtools.tmf.core.statesystem.ITmfStateSystem; |
20 | import org.eclipse.linuxtools.tmf.core.statevalue.ITmfStateValue; | |
21 | import org.eclipse.linuxtools.tmf.ui.widgets.timegraph.StateItem; | |
22 | import org.eclipse.linuxtools.tmf.ui.widgets.timegraph.TimeGraphPresentationProvider; | |
23 | import org.eclipse.linuxtools.tmf.ui.widgets.timegraph.model.ITimeEvent; | |
24 | import org.eclipse.linuxtools.tmf.ui.widgets.timegraph.model.ITimeGraphEntry; | |
25 | import org.eclipse.linuxtools.tmf.ui.widgets.timegraph.model.NullTimeEvent; | |
26 | import org.eclipse.linuxtools.tmf.ui.widgets.timegraph.widgets.Utils; | |
27 | import org.eclipse.swt.SWT; | |
28 | import org.eclipse.swt.graphics.GC; | |
29 | import org.eclipse.swt.graphics.RGB; | |
30 | import org.eclipse.swt.graphics.Rectangle; | |
31 | ||
32 | /** | |
33 | * Presentation provider for the Call Stack view, based on the generic TMF | |
34 | * presentation provider. | |
35 | * | |
36 | * @author Patrick Tasse | |
37 | * @since 2.0 | |
38 | */ | |
39 | public class CallStackPresentationProvider extends TimeGraphPresentationProvider { | |
40 | ||
41 | /** Number of colors used for call stack events */ | |
42 | public static final int NUM_COLORS = 360; | |
43 | ||
5da83da5 AM |
44 | private final CallStackView fView; |
45 | ||
e8251298 PT |
46 | private enum State { |
47 | MULTIPLE (new RGB(100, 100, 100)), | |
48 | EXEC (new RGB(0, 200, 0)); | |
49 | ||
52974e38 | 50 | private final RGB rgb; |
e8251298 PT |
51 | |
52 | private State (RGB rgb) { | |
53 | this.rgb = rgb; | |
54 | } | |
55 | } | |
56 | ||
5da83da5 AM |
57 | /** |
58 | * Constructor | |
59 | * | |
60 | * @param view | |
61 | * The callstack view that will contain the time events | |
c4767854 | 62 | * @since 3.0 |
5da83da5 AM |
63 | */ |
64 | public CallStackPresentationProvider(CallStackView view) { | |
65 | fView = view; | |
66 | } | |
67 | ||
e8251298 PT |
68 | @Override |
69 | public String getStateTypeName() { | |
70 | // Empty string since no generic name | |
71 | return ""; //$NON-NLS-1$ | |
72 | } | |
73 | ||
74 | @Override | |
75 | public String getStateTypeName(ITimeGraphEntry entry) { | |
76 | return ""; //$NON-NLS-1$ | |
77 | } | |
78 | ||
79 | @Override | |
80 | public StateItem[] getStateTable() { | |
52974e38 PT |
81 | final float saturation = 0.6f; |
82 | final float brightness = 0.6f; | |
e8251298 PT |
83 | StateItem[] stateTable = new StateItem[NUM_COLORS + 1]; |
84 | stateTable[0] = new StateItem(State.MULTIPLE.rgb, State.MULTIPLE.toString()); | |
85 | for (int i = 0; i < NUM_COLORS; i++) { | |
52974e38 | 86 | RGB rgb = new RGB(i, saturation, brightness); |
e8251298 PT |
87 | stateTable[i + 1] = new StateItem(rgb, State.EXEC.toString()); |
88 | } | |
89 | return stateTable; | |
90 | } | |
91 | ||
92 | @Override | |
93 | public int getStateTableIndex(ITimeEvent event) { | |
94 | if (event instanceof CallStackEvent) { | |
95 | CallStackEvent callStackEvent = (CallStackEvent) event; | |
96 | return callStackEvent.getValue() + 1; | |
97 | } else if (event instanceof NullTimeEvent) { | |
98 | return INVISIBLE; | |
99 | } | |
100 | return State.MULTIPLE.ordinal(); | |
101 | } | |
102 | ||
103 | @Override | |
104 | public String getEventName(ITimeEvent event) { | |
105 | if (event instanceof CallStackEvent) { | |
106 | CallStackEntry entry = (CallStackEntry) event.getEntry(); | |
50659279 AM |
107 | ITmfStateSystem ss = CallStackView.getCallStackStateSystem(entry.getTrace()); |
108 | if (ss == null) { | |
109 | return null; | |
110 | } | |
e8251298 | 111 | try { |
5da83da5 AM |
112 | ITmfStateValue value = ss.querySingleState(event.getTime(), entry.getQuark()).getStateValue(); |
113 | if (!value.isNull()) { | |
114 | String address = value.toString(); | |
115 | return fView.getFunctionName(address); | |
e8251298 PT |
116 | } |
117 | } catch (AttributeNotFoundException e) { | |
52974e38 | 118 | Activator.getDefault().logError("Error querying state system", e); //$NON-NLS-1$ |
e8251298 | 119 | } catch (TimeRangeException e) { |
52974e38 | 120 | Activator.getDefault().logError("Error querying state system", e); //$NON-NLS-1$ |
e8251298 PT |
121 | } catch (StateSystemDisposedException e) { |
122 | /* Ignored */ | |
123 | } | |
124 | return null; | |
125 | } | |
126 | return State.MULTIPLE.toString(); | |
127 | } | |
128 | ||
129 | @Override | |
130 | public void postDrawEvent(ITimeEvent event, Rectangle bounds, GC gc) { | |
131 | if (bounds.width <= gc.getFontMetrics().getAverageCharWidth()) { | |
132 | return; | |
133 | } | |
134 | if (!(event instanceof CallStackEvent)) { | |
135 | return; | |
136 | } | |
137 | CallStackEntry entry = (CallStackEntry) event.getEntry(); | |
50659279 AM |
138 | ITmfStateSystem ss = CallStackView.getCallStackStateSystem(entry.getTrace()); |
139 | if (ss == null) { | |
140 | return; | |
141 | } | |
e8251298 | 142 | try { |
5da83da5 AM |
143 | ITmfStateValue value = ss.querySingleState(event.getTime(), entry.getQuark()).getStateValue(); |
144 | if (!value.isNull()) { | |
145 | String address = value.toString(); | |
146 | String name = fView.getFunctionName(address); | |
e8251298 | 147 | gc.setForeground(gc.getDevice().getSystemColor(SWT.COLOR_WHITE)); |
5da83da5 | 148 | Utils.drawText(gc, name, bounds.x, bounds.y - 2, bounds.width, true, true); |
e8251298 PT |
149 | } |
150 | } catch (AttributeNotFoundException e) { | |
52974e38 | 151 | Activator.getDefault().logError("Error querying state system", e); //$NON-NLS-1$ |
e8251298 | 152 | } catch (TimeRangeException e) { |
52974e38 | 153 | Activator.getDefault().logError("Error querying state system", e); //$NON-NLS-1$ |
e8251298 PT |
154 | } catch (StateSystemDisposedException e) { |
155 | /* Ignored */ | |
156 | } | |
157 | } | |
158 | ||
159 | } |