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e8251298 | 1 | /******************************************************************************* |
60ae41e1 | 2 | * Copyright (c) 2013, 2014 Ericsson |
e8251298 PT |
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 | ||
2bdf0193 | 13 | package org.eclipse.tracecompass.tmf.ui.views.callstack; |
e8251298 | 14 | |
e8251298 PT |
15 | import org.eclipse.swt.SWT; |
16 | import org.eclipse.swt.graphics.GC; | |
17 | import org.eclipse.swt.graphics.RGB; | |
18 | import org.eclipse.swt.graphics.Rectangle; | |
2bdf0193 AM |
19 | import org.eclipse.tracecompass.internal.tmf.ui.Activator; |
20 | import org.eclipse.tracecompass.internal.tmf.ui.Messages; | |
e894a508 AM |
21 | import org.eclipse.tracecompass.statesystem.core.ITmfStateSystem; |
22 | import org.eclipse.tracecompass.statesystem.core.exceptions.AttributeNotFoundException; | |
23 | import org.eclipse.tracecompass.statesystem.core.exceptions.StateSystemDisposedException; | |
24 | import org.eclipse.tracecompass.statesystem.core.exceptions.TimeRangeException; | |
25 | import org.eclipse.tracecompass.statesystem.core.statevalue.ITmfStateValue; | |
2bdf0193 AM |
26 | import org.eclipse.tracecompass.tmf.ui.widgets.timegraph.StateItem; |
27 | import org.eclipse.tracecompass.tmf.ui.widgets.timegraph.TimeGraphPresentationProvider; | |
28 | import org.eclipse.tracecompass.tmf.ui.widgets.timegraph.model.ITimeEvent; | |
29 | import org.eclipse.tracecompass.tmf.ui.widgets.timegraph.model.ITimeGraphEntry; | |
30 | import org.eclipse.tracecompass.tmf.ui.widgets.timegraph.model.NullTimeEvent; | |
31 | import org.eclipse.tracecompass.tmf.ui.widgets.timegraph.widgets.Utils; | |
e8251298 PT |
32 | |
33 | /** | |
34 | * Presentation provider for the Call Stack view, based on the generic TMF | |
35 | * presentation provider. | |
36 | * | |
37 | * @author Patrick Tasse | |
e8251298 PT |
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 | ||
0a563f93 MAL |
46 | private Integer fAverageCharWidth; |
47 | ||
e8251298 PT |
48 | private enum State { |
49 | MULTIPLE (new RGB(100, 100, 100)), | |
50 | EXEC (new RGB(0, 200, 0)); | |
51 | ||
52974e38 | 52 | private final RGB rgb; |
e8251298 PT |
53 | |
54 | private State (RGB rgb) { | |
55 | this.rgb = rgb; | |
56 | } | |
57 | } | |
58 | ||
5da83da5 AM |
59 | /** |
60 | * Constructor | |
61 | * | |
62 | * @param view | |
63 | * The callstack view that will contain the time events | |
64 | */ | |
65 | public CallStackPresentationProvider(CallStackView view) { | |
66 | fView = view; | |
67 | } | |
68 | ||
e8251298 PT |
69 | @Override |
70 | public String getStateTypeName(ITimeGraphEntry entry) { | |
60b4d44c | 71 | return Messages.CallStackPresentationProvider_Thread; |
e8251298 PT |
72 | } |
73 | ||
74 | @Override | |
75 | public StateItem[] getStateTable() { | |
52974e38 PT |
76 | final float saturation = 0.6f; |
77 | final float brightness = 0.6f; | |
e8251298 PT |
78 | StateItem[] stateTable = new StateItem[NUM_COLORS + 1]; |
79 | stateTable[0] = new StateItem(State.MULTIPLE.rgb, State.MULTIPLE.toString()); | |
80 | for (int i = 0; i < NUM_COLORS; i++) { | |
52974e38 | 81 | RGB rgb = new RGB(i, saturation, brightness); |
e8251298 PT |
82 | stateTable[i + 1] = new StateItem(rgb, State.EXEC.toString()); |
83 | } | |
84 | return stateTable; | |
85 | } | |
86 | ||
87 | @Override | |
88 | public int getStateTableIndex(ITimeEvent event) { | |
89 | if (event instanceof CallStackEvent) { | |
90 | CallStackEvent callStackEvent = (CallStackEvent) event; | |
91 | return callStackEvent.getValue() + 1; | |
92 | } else if (event instanceof NullTimeEvent) { | |
93 | return INVISIBLE; | |
94 | } | |
95 | return State.MULTIPLE.ordinal(); | |
96 | } | |
97 | ||
98 | @Override | |
99 | public String getEventName(ITimeEvent event) { | |
100 | if (event instanceof CallStackEvent) { | |
101 | CallStackEntry entry = (CallStackEntry) event.getEntry(); | |
da27e43a | 102 | ITmfStateSystem ss = entry.getStateSystem(); |
e8251298 | 103 | try { |
5da83da5 AM |
104 | ITmfStateValue value = ss.querySingleState(event.getTime(), entry.getQuark()).getStateValue(); |
105 | if (!value.isNull()) { | |
106 | String address = value.toString(); | |
107 | return fView.getFunctionName(address); | |
e8251298 PT |
108 | } |
109 | } catch (AttributeNotFoundException e) { | |
52974e38 | 110 | Activator.getDefault().logError("Error querying state system", e); //$NON-NLS-1$ |
e8251298 | 111 | } catch (TimeRangeException e) { |
52974e38 | 112 | Activator.getDefault().logError("Error querying state system", e); //$NON-NLS-1$ |
e8251298 PT |
113 | } catch (StateSystemDisposedException e) { |
114 | /* Ignored */ | |
115 | } | |
116 | return null; | |
117 | } | |
118 | return State.MULTIPLE.toString(); | |
119 | } | |
120 | ||
121 | @Override | |
122 | public void postDrawEvent(ITimeEvent event, Rectangle bounds, GC gc) { | |
0a563f93 MAL |
123 | if (fAverageCharWidth == null) { |
124 | fAverageCharWidth = gc.getFontMetrics().getAverageCharWidth(); | |
125 | } | |
126 | if (bounds.width <= fAverageCharWidth) { | |
e8251298 PT |
127 | return; |
128 | } | |
129 | if (!(event instanceof CallStackEvent)) { | |
130 | return; | |
131 | } | |
132 | CallStackEntry entry = (CallStackEntry) event.getEntry(); | |
da27e43a | 133 | ITmfStateSystem ss = entry.getStateSystem(); |
e8251298 | 134 | try { |
5da83da5 AM |
135 | ITmfStateValue value = ss.querySingleState(event.getTime(), entry.getQuark()).getStateValue(); |
136 | if (!value.isNull()) { | |
137 | String address = value.toString(); | |
138 | String name = fView.getFunctionName(address); | |
e8251298 | 139 | gc.setForeground(gc.getDevice().getSystemColor(SWT.COLOR_WHITE)); |
5da83da5 | 140 | Utils.drawText(gc, name, bounds.x, bounds.y - 2, bounds.width, true, true); |
e8251298 PT |
141 | } |
142 | } catch (AttributeNotFoundException e) { | |
52974e38 | 143 | Activator.getDefault().logError("Error querying state system", e); //$NON-NLS-1$ |
e8251298 | 144 | } catch (TimeRangeException e) { |
52974e38 | 145 | Activator.getDefault().logError("Error querying state system", e); //$NON-NLS-1$ |
e8251298 PT |
146 | } catch (StateSystemDisposedException e) { |
147 | /* Ignored */ | |
148 | } | |
149 | } | |
150 | ||
151 | } |