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6e512b93 | 1 | /******************************************************************************* |
c8422608 | 2 | * Copyright (c) 2009, 2013 Ericsson |
1b055dfa | 3 | * |
6e512b93 ASL |
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 | |
1b055dfa | 8 | * |
6e512b93 | 9 | * Contributors: |
b59134e1 | 10 | * William Bourque - Initial API and implementation |
c392540b | 11 | * Yuriy Vashchuk - GUI reorganisation, simplification and some related code improvements. |
1b055dfa | 12 | * Yuriy Vashchuk - Histograms optimisation. |
c392540b FC |
13 | * Yuriy Vashchuk - Histogram Canvas Heritage correction |
14 | * Francois Chouinard - Cleanup and refactoring | |
e0752744 | 15 | * Francois Chouinard - Moved from LTTng to TMF |
6e512b93 | 16 | *******************************************************************************/ |
3e9fdb8b | 17 | |
e0752744 | 18 | package org.eclipse.linuxtools.tmf.ui.views.histogram; |
6e512b93 | 19 | |
e0752744 | 20 | import org.eclipse.linuxtools.tmf.core.event.ITmfEvent; |
6c13869b | 21 | import org.eclipse.linuxtools.tmf.core.request.ITmfDataRequest.ExecutionType; |
f6ad2e3d | 22 | import org.eclipse.linuxtools.tmf.core.request.TmfDataRequest; |
6c13869b FC |
23 | import org.eclipse.linuxtools.tmf.core.signal.TmfRangeSynchSignal; |
24 | import org.eclipse.linuxtools.tmf.core.signal.TmfSignalHandler; | |
38df2c82 | 25 | import org.eclipse.linuxtools.tmf.core.signal.TmfSignalThrottler; |
6c13869b | 26 | import org.eclipse.linuxtools.tmf.core.signal.TmfTimeSynchSignal; |
faa38350 PT |
27 | import org.eclipse.linuxtools.tmf.core.signal.TmfTraceClosedSignal; |
28 | import org.eclipse.linuxtools.tmf.core.signal.TmfTraceOpenedSignal; | |
29 | import org.eclipse.linuxtools.tmf.core.signal.TmfTraceRangeUpdatedSignal; | |
30 | import org.eclipse.linuxtools.tmf.core.signal.TmfTraceSelectedSignal; | |
31 | import org.eclipse.linuxtools.tmf.core.signal.TmfTraceUpdatedSignal; | |
3bd46eef AM |
32 | import org.eclipse.linuxtools.tmf.core.timestamp.ITmfTimestamp; |
33 | import org.eclipse.linuxtools.tmf.core.timestamp.TmfTimeRange; | |
34 | import org.eclipse.linuxtools.tmf.core.timestamp.TmfTimestamp; | |
faa38350 PT |
35 | import org.eclipse.linuxtools.tmf.core.trace.ITmfTrace; |
36 | import org.eclipse.linuxtools.tmf.ui.editors.ITmfTraceEditor; | |
b59134e1 WB |
37 | import org.eclipse.linuxtools.tmf.ui.views.TmfView; |
38 | import org.eclipse.swt.SWT; | |
39 | import org.eclipse.swt.layout.GridData; | |
252ae4bd | 40 | import org.eclipse.swt.layout.GridLayout; |
6e512b93 | 41 | import org.eclipse.swt.widgets.Composite; |
faa38350 | 42 | import org.eclipse.ui.IEditorPart; |
6e512b93 | 43 | |
544fe9b7 | 44 | /** |
faa38350 | 45 | * The purpose of this view is to provide graphical time distribution statistics about the trace events. |
544fe9b7 | 46 | * <p> |
c392540b FC |
47 | * The view is composed of two histograms and two controls: |
48 | * <ul> | |
faa38350 | 49 | * <li>an event distribution histogram for the whole trace; |
c392540b FC |
50 | * <li>an event distribution histogram for current time window (window span); |
51 | * <li>the timestamp of the currently selected event; | |
52 | * <li>the window span (size of the time window of the smaller histogram). | |
53 | * </ul> | |
54 | * The histograms x-axis show their respective time range. | |
abbdd66a | 55 | * |
f8177ba2 | 56 | * @version 2.0 |
2af7df97 | 57 | * @author Francois Chouinard |
544fe9b7 | 58 | */ |
c392540b FC |
59 | public class HistogramView extends TmfView { |
60 | ||
61 | // ------------------------------------------------------------------------ | |
62 | // Constants | |
63 | // ------------------------------------------------------------------------ | |
64 | ||
b544077e BH |
65 | /** |
66 | * The view ID as defined in plugin.xml | |
67 | */ | |
e0752744 | 68 | public static final String ID = "org.eclipse.linuxtools.tmf.ui.views.histogram"; //$NON-NLS-1$ |
c392540b | 69 | |
c392540b FC |
70 | // ------------------------------------------------------------------------ |
71 | // Attributes | |
72 | // ------------------------------------------------------------------------ | |
73 | ||
74 | // Parent widget | |
75 | private Composite fParent; | |
76 | ||
faa38350 PT |
77 | // The current trace |
78 | private ITmfTrace fTrace; | |
c392540b | 79 | |
f8177ba2 | 80 | // Current timestamp/time window - everything in the TIME_SCALE |
faa38350 PT |
81 | private long fTraceStartTime; |
82 | private long fTraceEndTime; | |
c392540b FC |
83 | private long fWindowStartTime; |
84 | private long fWindowEndTime; | |
d7ee91bb | 85 | private long fWindowSpan; |
c392540b FC |
86 | private long fCurrentTimestamp; |
87 | ||
88 | // Time controls | |
89 | private HistogramTextControl fCurrentEventTimeControl; | |
90 | private HistogramTextControl fTimeSpanControl; | |
91 | ||
92 | // Histogram/request for the full trace range | |
93 | private static FullTraceHistogram fFullTraceHistogram; | |
94 | private HistogramRequest fFullTraceRequest; | |
95 | ||
96 | // Histogram/request for the selected time range | |
97 | private static TimeRangeHistogram fTimeRangeHistogram; | |
98 | private HistogramRequest fTimeRangeRequest; | |
99 | ||
38df2c82 AM |
100 | // Throttlers for the time sync and time-range sync signals |
101 | private final TmfSignalThrottler fTimeSyncThrottle; | |
102 | private final TmfSignalThrottler fTimeRangeSyncThrottle; | |
103 | ||
c392540b FC |
104 | // ------------------------------------------------------------------------ |
105 | // Constructor | |
106 | // ------------------------------------------------------------------------ | |
107 | ||
b544077e BH |
108 | /** |
109 | * Default constructor | |
110 | */ | |
c392540b FC |
111 | public HistogramView() { |
112 | super(ID); | |
38df2c82 AM |
113 | fTimeSyncThrottle = new TmfSignalThrottler(this, 200); |
114 | fTimeRangeSyncThrottle = new TmfSignalThrottler(this, 200); | |
c392540b FC |
115 | } |
116 | ||
6a13fa07 | 117 | @Override |
c392540b | 118 | public void dispose() { |
1b055dfa | 119 | if ((fTimeRangeRequest != null) && !fTimeRangeRequest.isCompleted()) { |
4dc47e28 FC |
120 | fTimeRangeRequest.cancel(); |
121 | } | |
1b055dfa | 122 | if ((fFullTraceRequest != null) && !fFullTraceRequest.isCompleted()) { |
4dc47e28 FC |
123 | fFullTraceRequest.cancel(); |
124 | } | |
6a13fa07 FC |
125 | fFullTraceHistogram.dispose(); |
126 | fTimeRangeHistogram.dispose(); | |
f8177ba2 FC |
127 | fCurrentEventTimeControl.dispose(); |
128 | fTimeSpanControl.dispose(); | |
4dc47e28 | 129 | super.dispose(); |
c392540b FC |
130 | } |
131 | ||
132 | // ------------------------------------------------------------------------ | |
133 | // TmfView | |
134 | // ------------------------------------------------------------------------ | |
135 | ||
136 | @Override | |
c392540b FC |
137 | public void createPartControl(Composite parent) { |
138 | ||
139 | fParent = parent; | |
140 | ||
141 | // Control labels | |
142 | final String currentEventLabel = Messages.HistogramView_currentEventLabel; | |
143 | final String windowSpanLabel = Messages.HistogramView_windowSpanLabel; | |
144 | ||
145 | // -------------------------------------------------------------------- | |
146 | // Set the HistogramView layout | |
147 | // -------------------------------------------------------------------- | |
148 | ||
149 | Composite viewComposite = new Composite(fParent, SWT.FILL); | |
150 | GridLayout gridLayout = new GridLayout(); | |
151 | gridLayout.numColumns = 2; | |
152 | gridLayout.horizontalSpacing = 5; | |
153 | gridLayout.verticalSpacing = 0; | |
154 | gridLayout.marginHeight = 0; | |
155 | gridLayout.marginWidth = 0; | |
156 | viewComposite.setLayout(gridLayout); | |
157 | ||
158 | // Use all available space | |
159 | GridData gridData = new GridData(); | |
160 | gridData.horizontalAlignment = SWT.FILL; | |
161 | gridData.verticalAlignment = SWT.FILL; | |
162 | gridData.grabExcessHorizontalSpace = true; | |
163 | viewComposite.setLayoutData(gridData); | |
164 | ||
165 | // -------------------------------------------------------------------- | |
166 | // Time controls | |
167 | // -------------------------------------------------------------------- | |
168 | ||
169 | Composite controlsComposite = new Composite(viewComposite, SWT.FILL); | |
170 | gridLayout = new GridLayout(); | |
171 | gridLayout.numColumns = 2; | |
172 | gridLayout.marginHeight = 0; | |
173 | gridLayout.marginWidth = 0; | |
174 | gridLayout.horizontalSpacing = 5; | |
175 | gridLayout.verticalSpacing = 0; | |
f8177ba2 | 176 | gridLayout.makeColumnsEqualWidth = false; |
c392540b FC |
177 | gridLayout.marginLeft = 5; |
178 | gridLayout.marginRight = 5; | |
179 | controlsComposite.setLayout(gridLayout); | |
180 | ||
181 | // Current event time control | |
182 | gridData = new GridData(); | |
183 | gridData.horizontalAlignment = SWT.CENTER; | |
184 | gridData.verticalAlignment = SWT.CENTER; | |
f8177ba2 | 185 | fCurrentEventTimeControl = new HistogramCurrentTimeControl(this, controlsComposite, currentEventLabel, 0L); |
c392540b | 186 | fCurrentEventTimeControl.setLayoutData(gridData); |
da7bdcbc | 187 | fCurrentEventTimeControl.setValue(Long.MIN_VALUE); |
c392540b FC |
188 | |
189 | // Window span time control | |
190 | gridData = new GridData(); | |
191 | gridData.horizontalAlignment = SWT.CENTER; | |
192 | gridData.verticalAlignment = SWT.CENTER; | |
f8177ba2 | 193 | fTimeSpanControl = new HistogramTimeRangeControl(this, controlsComposite, windowSpanLabel, 0L); |
c392540b | 194 | fTimeSpanControl.setLayoutData(gridData); |
da7bdcbc | 195 | fTimeSpanControl.setValue(Long.MIN_VALUE); |
c392540b FC |
196 | |
197 | // -------------------------------------------------------------------- | |
198 | // Time range histogram | |
199 | // -------------------------------------------------------------------- | |
200 | ||
201 | Composite timeRangeComposite = new Composite(viewComposite, SWT.FILL); | |
202 | gridLayout = new GridLayout(); | |
203 | gridLayout.numColumns = 1; | |
204 | gridLayout.marginHeight = 0; | |
205 | gridLayout.marginWidth = 0; | |
206 | gridLayout.marginTop = 5; | |
207 | gridLayout.horizontalSpacing = 0; | |
208 | gridLayout.verticalSpacing = 0; | |
209 | gridLayout.marginLeft = 5; | |
210 | gridLayout.marginRight = 5; | |
211 | timeRangeComposite.setLayout(gridLayout); | |
212 | ||
213 | // Use remaining horizontal space | |
214 | gridData = new GridData(); | |
215 | gridData.horizontalAlignment = SWT.FILL; | |
216 | gridData.verticalAlignment = SWT.FILL; | |
217 | gridData.grabExcessHorizontalSpace = true; | |
218 | timeRangeComposite.setLayoutData(gridData); | |
219 | ||
220 | // Histogram | |
221 | fTimeRangeHistogram = new TimeRangeHistogram(this, timeRangeComposite); | |
222 | ||
223 | // -------------------------------------------------------------------- | |
224 | // Full range histogram | |
225 | // -------------------------------------------------------------------- | |
226 | ||
227 | Composite fullRangeComposite = new Composite(viewComposite, SWT.FILL); | |
228 | gridLayout = new GridLayout(); | |
229 | gridLayout.numColumns = 1; | |
230 | gridLayout.marginHeight = 0; | |
231 | gridLayout.marginWidth = 0; | |
232 | gridLayout.marginTop = 5; | |
233 | gridLayout.horizontalSpacing = 0; | |
234 | gridLayout.verticalSpacing = 0; | |
235 | gridLayout.marginLeft = 5; | |
236 | gridLayout.marginRight = 5; | |
237 | fullRangeComposite.setLayout(gridLayout); | |
238 | ||
239 | // Use remaining horizontal space | |
240 | gridData = new GridData(); | |
241 | gridData.horizontalAlignment = SWT.FILL; | |
242 | gridData.verticalAlignment = SWT.FILL; | |
243 | gridData.horizontalSpan = 2; | |
244 | gridData.grabExcessHorizontalSpace = true; | |
245 | fullRangeComposite.setLayoutData(gridData); | |
246 | ||
247 | // Histogram | |
248 | fFullTraceHistogram = new FullTraceHistogram(this, fullRangeComposite); | |
249 | ||
f28d404e | 250 | IEditorPart editor = getSite().getPage().getActiveEditor(); |
faa38350 PT |
251 | if (editor instanceof ITmfTraceEditor) { |
252 | ITmfTrace trace = ((ITmfTraceEditor) editor).getTrace(); | |
253 | if (trace != null) { | |
254 | traceSelected(new TmfTraceSelectedSignal(this, trace)); | |
255 | } | |
1b055dfa | 256 | } |
ecfd1d41 | 257 | } |
c392540b FC |
258 | |
259 | @Override | |
c392540b | 260 | public void setFocus() { |
faa38350 | 261 | fFullTraceHistogram.fCanvas.setFocus(); |
833a21aa | 262 | } |
c392540b | 263 | |
f8177ba2 FC |
264 | void refresh() { |
265 | fParent.layout(true); | |
266 | } | |
267 | ||
c392540b FC |
268 | // ------------------------------------------------------------------------ |
269 | // Accessors | |
270 | // ------------------------------------------------------------------------ | |
271 | ||
faa38350 PT |
272 | /** |
273 | * Returns the current trace handled by the view | |
274 | * | |
275 | * @return the current trace | |
276 | * @since 2.0 | |
277 | */ | |
278 | public ITmfTrace getTrace() { | |
279 | return fTrace; | |
280 | } | |
281 | ||
b544077e BH |
282 | /** |
283 | * Returns the time range of the current selected window (base on default time scale). | |
abbdd66a | 284 | * |
b544077e | 285 | * @return the time range of current selected window. |
3bd46eef | 286 | * @since 2.0 |
b544077e | 287 | */ |
c392540b | 288 | public TmfTimeRange getTimeRange() { |
f8177ba2 FC |
289 | return new TmfTimeRange( |
290 | new TmfTimestamp(fWindowStartTime, ITmfTimestamp.NANOSECOND_SCALE), | |
291 | new TmfTimestamp(fWindowEndTime, ITmfTimestamp.NANOSECOND_SCALE)); | |
c392540b FC |
292 | } |
293 | ||
294 | // ------------------------------------------------------------------------ | |
295 | // Operations | |
296 | // ------------------------------------------------------------------------ | |
297 | ||
b544077e BH |
298 | /** |
299 | * Broadcast TmfSignal about new current time value. | |
300 | * @param newTime the new current time. | |
301 | */ | |
f8177ba2 | 302 | void updateCurrentEventTime(long newTime) { |
faa38350 | 303 | if (fTrace != null) { |
f8177ba2 | 304 | TmfTimeRange timeRange = new TmfTimeRange(new TmfTimestamp(newTime, ITmfTimestamp.NANOSECOND_SCALE), TmfTimestamp.BIG_CRUNCH); |
f6ad2e3d | 305 | HistogramRequest request = new HistogramRequest(fTimeRangeHistogram.getDataModel(), timeRange, 0, 1, 0, ExecutionType.FOREGROUND) { |
c392540b | 306 | @Override |
e0752744 | 307 | public void handleData(ITmfEvent event) { |
c392540b | 308 | if (event != null) { |
38df2c82 AM |
309 | ITmfTimestamp ts = event.getTimestamp(); |
310 | updateDisplayedCurrentTime(ts.normalize(0, ITmfTimestamp.NANOSECOND_SCALE).getValue()); | |
311 | TmfTimeSynchSignal signal = new TmfTimeSynchSignal(this, ts); | |
312 | fTimeSyncThrottle.queue(signal); | |
c392540b FC |
313 | } |
314 | } | |
315 | }; | |
faa38350 | 316 | fTrace.sendRequest(request); |
c392540b FC |
317 | } |
318 | } | |
319 | ||
b544077e BH |
320 | /** |
321 | * Broadcast TmfSignal about new selected time range. | |
322 | * @param startTime the new start time | |
323 | * @param endTime the new end time | |
324 | */ | |
f8177ba2 | 325 | void updateTimeRange(long startTime, long endTime) { |
faa38350 | 326 | if (fTrace != null) { |
c392540b | 327 | // Build the new time range; keep the current time |
f8177ba2 FC |
328 | TmfTimeRange timeRange = new TmfTimeRange( |
329 | new TmfTimestamp(startTime, ITmfTimestamp.NANOSECOND_SCALE), | |
330 | new TmfTimestamp(endTime, ITmfTimestamp.NANOSECOND_SCALE)); | |
331 | ITmfTimestamp currentTime = new TmfTimestamp(fCurrentTimestamp, ITmfTimestamp.NANOSECOND_SCALE); | |
c392540b FC |
332 | fTimeSpanControl.setValue(endTime - startTime); |
333 | ||
38df2c82 AM |
334 | updateDisplayedTimeRange(startTime, endTime); |
335 | ||
c392540b FC |
336 | // Send the FW signal |
337 | TmfRangeSynchSignal signal = new TmfRangeSynchSignal(this, timeRange, currentTime); | |
38df2c82 | 338 | fTimeRangeSyncThrottle.queue(signal); |
c392540b FC |
339 | } |
340 | } | |
341 | ||
b544077e BH |
342 | /** |
343 | * Broadcast TmfSignal about new selected time range. | |
344 | * @param newDuration new duration (relative to current start time) | |
345 | */ | |
c392540b | 346 | public synchronized void updateTimeRange(long newDuration) { |
faa38350 | 347 | if (fTrace != null) { |
6a13fa07 | 348 | long delta = newDuration - fWindowSpan; |
1c6a842a | 349 | long newStartTime = fWindowStartTime - (delta / 2); |
6a13fa07 | 350 | setNewRange(newStartTime, newDuration); |
c392540b FC |
351 | } |
352 | } | |
353 | ||
354 | private void setNewRange(long startTime, long duration) { | |
41b5c37f AM |
355 | long realStart = startTime; |
356 | ||
357 | if (realStart < fTraceStartTime) { | |
358 | realStart = fTraceStartTime; | |
1b055dfa | 359 | } |
c392540b | 360 | |
41b5c37f | 361 | long endTime = realStart + duration; |
faa38350 PT |
362 | if (endTime > fTraceEndTime) { |
363 | endTime = fTraceEndTime; | |
1c6a842a | 364 | if ((endTime - duration) > fTraceStartTime) { |
41b5c37f | 365 | realStart = endTime - duration; |
1b055dfa | 366 | } else { |
41b5c37f | 367 | realStart = fTraceStartTime; |
6a13fa07 | 368 | } |
c392540b | 369 | } |
41b5c37f | 370 | updateTimeRange(realStart, endTime); |
833a21aa | 371 | } |
c392540b FC |
372 | |
373 | // ------------------------------------------------------------------------ | |
374 | // Signal handlers | |
375 | // ------------------------------------------------------------------------ | |
376 | ||
b544077e | 377 | /** |
faa38350 | 378 | * Handles trace opened signal. Loads histogram if new trace time range is not |
b544077e | 379 | * equal <code>TmfTimeRange.NULL_RANGE</code> |
faa38350 PT |
380 | * @param signal the trace selected signal |
381 | * @since 2.0 | |
b544077e | 382 | */ |
1406f802 | 383 | @TmfSignalHandler |
faa38350 | 384 | public void traceOpened(TmfTraceOpenedSignal signal) { |
c392540b | 385 | assert (signal != null); |
faa38350 PT |
386 | fTrace = signal.getTrace(); |
387 | loadTrace(); | |
ecfd1d41 | 388 | } |
550d787e | 389 | |
faa38350 PT |
390 | /** |
391 | * Handles trace selected signal. Loads histogram if new trace time range is not | |
392 | * equal <code>TmfTimeRange.NULL_RANGE</code> | |
393 | * @param signal the trace selected signal | |
394 | * @since 2.0 | |
395 | */ | |
396 | @TmfSignalHandler | |
397 | public void traceSelected(TmfTraceSelectedSignal signal) { | |
398 | assert (signal != null); | |
399 | if (fTrace != signal.getTrace()) { | |
400 | fTrace = signal.getTrace(); | |
401 | loadTrace(); | |
402 | } | |
403 | } | |
404 | ||
405 | private void loadTrace() { | |
c392540b FC |
406 | initializeHistograms(); |
407 | fParent.redraw(); | |
550d787e FC |
408 | } |
409 | ||
ea279a69 | 410 | /** |
faa38350 PT |
411 | * Handles trace closed signal. Clears the view and data model and cancels requests. |
412 | * @param signal the trace closed signal | |
ea279a69 FC |
413 | * @since 2.0 |
414 | */ | |
415 | @TmfSignalHandler | |
faa38350 PT |
416 | public void traceClosed(TmfTraceClosedSignal signal) { |
417 | ||
418 | if (signal.getTrace() != fTrace) { | |
419 | return; | |
420 | } | |
ea279a69 FC |
421 | |
422 | // Kill any running request | |
423 | if ((fTimeRangeRequest != null) && !fTimeRangeRequest.isCompleted()) { | |
424 | fTimeRangeRequest.cancel(); | |
425 | } | |
426 | if ((fFullTraceRequest != null) && !fFullTraceRequest.isCompleted()) { | |
427 | fFullTraceRequest.cancel(); | |
428 | } | |
429 | ||
430 | // Initialize the internal data | |
faa38350 PT |
431 | fTrace = null; |
432 | fTraceStartTime = 0L; | |
433 | fTraceEndTime = 0L; | |
f8177ba2 FC |
434 | fWindowStartTime = 0L; |
435 | fWindowEndTime = 0L; | |
d7ee91bb | 436 | fWindowSpan = 0L; |
f8177ba2 | 437 | fCurrentTimestamp = 0L; |
ea279a69 FC |
438 | |
439 | // Clear the UI widgets | |
440 | fFullTraceHistogram.clear(); | |
441 | fTimeRangeHistogram.clear(); | |
da7bdcbc | 442 | fCurrentEventTimeControl.setValue(Long.MIN_VALUE); |
f8177ba2 | 443 | |
da7bdcbc | 444 | fTimeSpanControl.setValue(Long.MIN_VALUE); |
ea279a69 FC |
445 | } |
446 | ||
b544077e | 447 | /** |
faa38350 | 448 | * Handles trace range updated signal. Extends histogram according to the new time range. If a |
b544077e BH |
449 | * HistogramRequest is already ongoing, it will be cancelled and a new request with the new range |
450 | * will be issued. | |
abbdd66a | 451 | * |
faa38350 PT |
452 | * @param signal the trace range updated signal |
453 | * @since 2.0 | |
b544077e | 454 | */ |
74237cc3 | 455 | @TmfSignalHandler |
faa38350 | 456 | public void traceRangeUpdated(TmfTraceRangeUpdatedSignal signal) { |
74237cc3 | 457 | |
faa38350 | 458 | if (signal.getTrace() != fTrace) { |
09d11238 PT |
459 | return; |
460 | } | |
461 | ||
74237cc3 FC |
462 | TmfTimeRange fullRange = signal.getRange(); |
463 | ||
faa38350 PT |
464 | fTraceStartTime = fullRange.getStartTime().normalize(0, ITmfTimestamp.NANOSECOND_SCALE).getValue(); |
465 | fTraceEndTime = fullRange.getEndTime().normalize(0, ITmfTimestamp.NANOSECOND_SCALE).getValue(); | |
74237cc3 | 466 | |
faa38350 PT |
467 | fFullTraceHistogram.setFullRange(fTraceStartTime, fTraceEndTime); |
468 | fTimeRangeHistogram.setFullRange(fTraceStartTime, fTraceEndTime); | |
74237cc3 | 469 | |
74237cc3 FC |
470 | sendFullRangeRequest(fullRange); |
471 | } | |
c392540b | 472 | |
b544077e | 473 | /** |
faa38350 PT |
474 | * Handles the trace updated signal. Used to update time limits (start and end time) |
475 | * @param signal the trace updated signal | |
476 | * @since 2.0 | |
b544077e | 477 | */ |
a28d503d | 478 | @TmfSignalHandler |
faa38350 PT |
479 | public void traceUpdated(TmfTraceUpdatedSignal signal) { |
480 | if (signal.getTrace() != fTrace) { | |
a28d503d PT |
481 | return; |
482 | } | |
faa38350 PT |
483 | TmfTimeRange fullRange = signal.getTrace().getTimeRange(); |
484 | fTraceStartTime = fullRange.getStartTime().normalize(0, ITmfTimestamp.NANOSECOND_SCALE).getValue(); | |
485 | fTraceEndTime = fullRange.getEndTime().normalize(0, ITmfTimestamp.NANOSECOND_SCALE).getValue(); | |
a28d503d | 486 | |
faa38350 PT |
487 | fFullTraceHistogram.setFullRange(fTraceStartTime, fTraceEndTime); |
488 | fTimeRangeHistogram.setFullRange(fTraceStartTime, fTraceEndTime); | |
489 | ||
13ccc36b | 490 | fFullTraceHistogram.setTimeRange(fTimeRangeHistogram.getStartTime(), fWindowSpan); |
15844a4e | 491 | fTimeRangeHistogram.setTimeRange(fTimeRangeHistogram.getStartTime(), fWindowSpan); |
13ccc36b | 492 | |
faa38350 PT |
493 | if ((fFullTraceRequest != null) && fFullTraceRequest.getRange().getEndTime().compareTo(signal.getRange().getEndTime()) < 0) { |
494 | sendFullRangeRequest(fullRange); | |
495 | } | |
496 | } | |
a28d503d | 497 | |
b544077e BH |
498 | /** |
499 | * Handles the current time updated signal. Sets the current time in the time range | |
500 | * histogram as well as the full histogram. | |
abbdd66a | 501 | * |
b544077e BH |
502 | * @param signal the signal to process |
503 | */ | |
c392540b FC |
504 | @TmfSignalHandler |
505 | public void currentTimeUpdated(TmfTimeSynchSignal signal) { | |
506 | // Because this can't happen :-) | |
507 | assert (signal != null); | |
508 | ||
509 | // Update the selected event time | |
f8177ba2 | 510 | ITmfTimestamp currentTime = signal.getCurrentTime().normalize(0, ITmfTimestamp.NANOSECOND_SCALE); |
38df2c82 | 511 | updateDisplayedCurrentTime(currentTime.getValue()); |
ecfd1d41 | 512 | } |
f05aabed | 513 | |
b544077e BH |
514 | /** |
515 | * Updates the current time range in the time range histogram and full range histogram. | |
516 | * @param signal the signal to process | |
517 | */ | |
c392540b FC |
518 | @TmfSignalHandler |
519 | public void timeRangeUpdated(TmfRangeSynchSignal signal) { | |
520 | // Because this can't happen :-) | |
521 | assert (signal != null); | |
522 | ||
faa38350 | 523 | if (fTrace != null) { |
1c6a842a PT |
524 | // Validate the time range |
525 | TmfTimeRange range = signal.getCurrentRange().getIntersection(fTrace.getTimeRange()); | |
526 | if (range == null) { | |
527 | return; | |
528 | } | |
529 | ||
38df2c82 AM |
530 | updateDisplayedTimeRange( |
531 | range.getStartTime().normalize(0, ITmfTimestamp.NANOSECOND_SCALE).getValue(), | |
532 | range.getEndTime().normalize(0, ITmfTimestamp.NANOSECOND_SCALE).getValue()); | |
c392540b | 533 | |
38df2c82 | 534 | // Send the event request to populate the small histogram |
c392540b | 535 | sendTimeRangeRequest(fWindowStartTime, fWindowEndTime); |
f8177ba2 | 536 | |
c392540b FC |
537 | fTimeSpanControl.setValue(fWindowSpan); |
538 | } | |
b59134e1 | 539 | } |
c392540b FC |
540 | |
541 | // ------------------------------------------------------------------------ | |
542 | // Helper functions | |
543 | // ------------------------------------------------------------------------ | |
544 | ||
545 | private void initializeHistograms() { | |
faa38350 | 546 | TmfTimeRange fullRange = updateTraceTimeRange(); |
d7ee91bb PT |
547 | long timestamp = fTrace.getCurrentTime().normalize(0, ITmfTimestamp.NANOSECOND_SCALE).getValue(); |
548 | long startTime = fTrace.getCurrentRange().getStartTime().normalize(0, ITmfTimestamp.NANOSECOND_SCALE).getValue(); | |
549 | long duration = fTrace.getCurrentRange().getEndTime().normalize(0, ITmfTimestamp.NANOSECOND_SCALE).getValue() - startTime; | |
74237cc3 | 550 | |
faa38350 PT |
551 | if ((fTimeRangeRequest != null) && !fTimeRangeRequest.isCompleted()) { |
552 | fTimeRangeRequest.cancel(); | |
553 | } | |
74237cc3 | 554 | fTimeRangeHistogram.clear(); |
faa38350 | 555 | fTimeRangeHistogram.setFullRange(fTraceStartTime, fTraceEndTime); |
d7ee91bb PT |
556 | fTimeRangeHistogram.setTimeRange(startTime, duration); |
557 | fTimeRangeHistogram.setCurrentEvent(timestamp); | |
c392540b | 558 | |
faa38350 PT |
559 | if ((fFullTraceRequest != null) && !fFullTraceRequest.isCompleted()) { |
560 | fFullTraceRequest.cancel(); | |
561 | } | |
74237cc3 | 562 | fFullTraceHistogram.clear(); |
faa38350 | 563 | fFullTraceHistogram.setFullRange(fTraceStartTime, fTraceEndTime); |
d7ee91bb PT |
564 | fFullTraceHistogram.setTimeRange(startTime, duration); |
565 | fFullTraceHistogram.setCurrentEvent(timestamp); | |
c392540b | 566 | |
d7ee91bb PT |
567 | fWindowStartTime = startTime; |
568 | fWindowSpan = duration; | |
569 | fWindowEndTime = startTime + duration; | |
6a13fa07 | 570 | |
d7ee91bb PT |
571 | fCurrentTimestamp = timestamp; |
572 | fCurrentEventTimeControl.setValue(fCurrentTimestamp); | |
f8177ba2 | 573 | |
d7ee91bb | 574 | fTimeSpanControl.setValue(duration); |
6a13fa07 | 575 | |
2af7df97 | 576 | if (!fullRange.equals(TmfTimeRange.NULL_RANGE)) { |
d7ee91bb | 577 | sendTimeRangeRequest(startTime, startTime + duration); |
2af7df97 FC |
578 | sendFullRangeRequest(fullRange); |
579 | } | |
74237cc3 FC |
580 | } |
581 | ||
38df2c82 AM |
582 | private void updateDisplayedCurrentTime(long time) { |
583 | fCurrentTimestamp = time; | |
584 | ||
585 | fFullTraceHistogram.setCurrentEvent(fCurrentTimestamp); | |
586 | fTimeRangeHistogram.setCurrentEvent(fCurrentTimestamp); | |
587 | fCurrentEventTimeControl.setValue(fCurrentTimestamp); | |
588 | } | |
589 | ||
590 | private void updateDisplayedTimeRange(long start, long end) { | |
591 | fWindowStartTime = start; | |
592 | fWindowEndTime = end; | |
593 | fWindowSpan = fWindowEndTime - fWindowStartTime; | |
594 | fFullTraceHistogram.setTimeRange(fWindowStartTime, fWindowSpan); | |
595 | } | |
596 | ||
faa38350 PT |
597 | private TmfTimeRange updateTraceTimeRange() { |
598 | fTraceStartTime = 0L; | |
599 | fTraceEndTime = 0L; | |
74237cc3 | 600 | |
faa38350 | 601 | TmfTimeRange timeRange = fTrace.getTimeRange(); |
c6023803 | 602 | if (!timeRange.equals(TmfTimeRange.NULL_RANGE)) { |
faa38350 PT |
603 | fTraceStartTime = timeRange.getStartTime().normalize(0, ITmfTimestamp.NANOSECOND_SCALE).getValue(); |
604 | fTraceEndTime = timeRange.getEndTime().normalize(0, ITmfTimestamp.NANOSECOND_SCALE).getValue(); | |
74237cc3 FC |
605 | } |
606 | return timeRange; | |
b59134e1 | 607 | } |
c392540b FC |
608 | |
609 | private void sendTimeRangeRequest(long startTime, long endTime) { | |
1b055dfa | 610 | if ((fTimeRangeRequest != null) && !fTimeRangeRequest.isCompleted()) { |
c392540b | 611 | fTimeRangeRequest.cancel(); |
088c1d4e | 612 | } |
f8177ba2 FC |
613 | TmfTimestamp startTS = new TmfTimestamp(startTime, ITmfTimestamp.NANOSECOND_SCALE); |
614 | TmfTimestamp endTS = new TmfTimestamp(endTime, ITmfTimestamp.NANOSECOND_SCALE); | |
c392540b FC |
615 | TmfTimeRange timeRange = new TmfTimeRange(startTS, endTS); |
616 | ||
617 | fTimeRangeHistogram.clear(); | |
15844a4e | 618 | fTimeRangeHistogram.setFullRange(fTraceStartTime, fTraceEndTime); |
c392540b | 619 | fTimeRangeHistogram.setTimeRange(startTime, endTime - startTime); |
4cf201de | 620 | |
faa38350 | 621 | int cacheSize = fTrace.getCacheSize(); |
f6ad2e3d | 622 | fTimeRangeRequest = new HistogramRequest(fTimeRangeHistogram.getDataModel(), timeRange, 0, TmfDataRequest.ALL_DATA, cacheSize, ExecutionType.FOREGROUND); |
faa38350 | 623 | fTrace.sendRequest(fTimeRangeRequest); |
088c1d4e | 624 | } |
c392540b | 625 | |
74237cc3 | 626 | private void sendFullRangeRequest(TmfTimeRange fullRange) { |
1b055dfa | 627 | if ((fFullTraceRequest != null) && !fFullTraceRequest.isCompleted()) { |
c392540b FC |
628 | fFullTraceRequest.cancel(); |
629 | } | |
faa38350 | 630 | int cacheSize = fTrace.getCacheSize(); |
fbd124dd | 631 | fFullTraceRequest = new HistogramRequest(fFullTraceHistogram.getDataModel(), fullRange, (int) fFullTraceHistogram.fDataModel.getNbEvents(), |
f6ad2e3d | 632 | TmfDataRequest.ALL_DATA, cacheSize, ExecutionType.BACKGROUND); |
faa38350 | 633 | fTrace.sendRequest(fFullTraceRequest); |
ed4b3b9f | 634 | } |
c392540b | 635 | |
6e512b93 | 636 | } |