/*
* Copyright (C) 2007 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.ddmuilib;
import com.android.ddmlib.Client;
import com.android.ddmlib.ThreadInfo;
import com.android.ddmlib.AndroidDebugBridge.IClientChangeListener;
import org.eclipse.jface.preference.IPreferenceStore;
import org.eclipse.jface.viewers.DoubleClickEvent;
import org.eclipse.jface.viewers.IDoubleClickListener;
import org.eclipse.jface.viewers.ILabelProviderListener;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.ISelectionChangedListener;
import org.eclipse.jface.viewers.IStructuredContentProvider;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.ITableLabelProvider;
import org.eclipse.jface.viewers.SelectionChangedEvent;
import org.eclipse.jface.viewers.TableViewer;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.swt.SWT;
import org.eclipse.swt.SWTException;
import org.eclipse.swt.custom.StackLayout;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.graphics.Color;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.graphics.Rectangle;
import org.eclipse.swt.layout.FormAttachment;
import org.eclipse.swt.layout.FormData;
import org.eclipse.swt.layout.FormLayout;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Listener;
import org.eclipse.swt.widgets.Sash;
import org.eclipse.swt.widgets.Table;
import java.util.Date;
/**
* Base class for our information panels.
*/
public class ThreadPanel extends TablePanel {
private final static String PREFS_THREAD_COL_ID = "threadPanel.Col0"; //$NON-NLS-1$
private final static String PREFS_THREAD_COL_TID = "threadPanel.Col1"; //$NON-NLS-1$
private final static String PREFS_THREAD_COL_STATUS = "threadPanel.Col2"; //$NON-NLS-1$
private final static String PREFS_THREAD_COL_UTIME = "threadPanel.Col3"; //$NON-NLS-1$
private final static String PREFS_THREAD_COL_STIME = "threadPanel.Col4"; //$NON-NLS-1$
private final static String PREFS_THREAD_COL_NAME = "threadPanel.Col5"; //$NON-NLS-1$
private final static String PREFS_THREAD_SASH = "threadPanel.sash"; //$NON-NLS-1$
private static final String PREFS_STACK_COL_CLASS = "threadPanel.stack.col0"; //$NON-NLS-1$
private static final String PREFS_STACK_COL_METHOD = "threadPanel.stack.col1"; //$NON-NLS-1$
private static final String PREFS_STACK_COL_FILE = "threadPanel.stack.col2"; //$NON-NLS-1$
private static final String PREFS_STACK_COL_LINE = "threadPanel.stack.col3"; //$NON-NLS-1$
private static final String PREFS_STACK_COL_NATIVE = "threadPanel.stack.col4"; //$NON-NLS-1$
private Display mDisplay;
private Composite mBase;
private Label mNotEnabled;
private Label mNotSelected;
private Composite mThreadBase;
private Table mThreadTable;
private TableViewer mThreadViewer;
private Composite mStackTraceBase;
private Button mRefreshStackTraceButton;
private Label mStackTraceTimeLabel;
private StackTracePanel mStackTracePanel;
private Table mStackTraceTable;
/** Indicates if a timer-based Runnable is current requesting thread updates regularly. */
private boolean mMustStopRecurringThreadUpdate = false;
/** Flag to tell the recurring thread update to stop running */
private boolean mRecurringThreadUpdateRunning = false;
private Object mLock = new Object();
private static final String[] THREAD_STATUS = {
"zombie", "running", "timed-wait", "monitor",
"wait", "init", "start", "native", "vmwait"
};
/**
* Content Provider to display the threads of a client.
* Expected input is a {@link Client} object.
*/
private static class ThreadContentProvider implements IStructuredContentProvider {
public Object[] getElements(Object inputElement) {
if (inputElement instanceof Client) {
return ((Client)inputElement).getClientData().getThreads();
}
return new Object[0];
}
public void dispose() {
// pass
}
public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
// pass
}
}
/**
* A Label Provider to use with {@link ThreadContentProvider}. It expects the elements to be
* of type {@link ThreadInfo}.
*/
private static class ThreadLabelProvider implements ITableLabelProvider {
public Image getColumnImage(Object element, int columnIndex) {
return null;
}
public String getColumnText(Object element, int columnIndex) {
if (element instanceof ThreadInfo) {
ThreadInfo thread = (ThreadInfo)element;
switch (columnIndex) {
case 0:
return (thread.isDaemon() ? "*" : "") + //$NON-NLS-1$ //$NON-NLS-2$
String.valueOf(thread.getThreadId());
case 1:
return String.valueOf(thread.getTid());
case 2:
if (thread.getStatus() >= 0 && thread.getStatus() < THREAD_STATUS.length)
return THREAD_STATUS[thread.getStatus()];
return "unknown";
case 3:
return String.valueOf(thread.getUtime());
case 4:
return String.valueOf(thread.getStime());
case 5:
return thread.getThreadName();
}
}
return null;
}
public void addListener(ILabelProviderListener listener) {
// pass
}
public void dispose() {
// pass
}
public boolean isLabelProperty(Object element, String property) {
// pass
return false;
}
public void removeListener(ILabelProviderListener listener) {
// pass
}
}
/**
* Create our control(s).
*/
@Override
protected Control createControl(Composite parent) {
mDisplay = parent.getDisplay();
final IPreferenceStore store = DdmUiPreferences.getStore();
mBase = new Composite(parent, SWT.NONE);
mBase.setLayout(new StackLayout());
// UI for thread not enabled
mNotEnabled = new Label(mBase, SWT.CENTER | SWT.WRAP);
mNotEnabled.setText("Thread updates not enabled for selected client\n"
+ "(use toolbar button to enable)");
// UI for not client selected
mNotSelected = new Label(mBase, SWT.CENTER | SWT.WRAP);
mNotSelected.setText("no client is selected");
// base composite for selected client with enabled thread update.
mThreadBase = new Composite(mBase, SWT.NONE);
mThreadBase.setLayout(new FormLayout());
// table above the sash
mThreadTable = new Table(mThreadBase, SWT.MULTI | SWT.FULL_SELECTION);
mThreadTable.setHeaderVisible(true);
mThreadTable.setLinesVisible(true);
TableHelper.createTableColumn(
mThreadTable,
"ID",
SWT.RIGHT,
"888", //$NON-NLS-1$
PREFS_THREAD_COL_ID, store);
TableHelper.createTableColumn(
mThreadTable,
"Tid",
SWT.RIGHT,
"88888", //$NON-NLS-1$
PREFS_THREAD_COL_TID, store);
TableHelper.createTableColumn(
mThreadTable,
"Status",
SWT.LEFT,
"timed-wait", //$NON-NLS-1$
PREFS_THREAD_COL_STATUS, store);
TableHelper.createTableColumn(
mThreadTable,
"utime",
SWT.RIGHT,
"utime", //$NON-NLS-1$
PREFS_THREAD_COL_UTIME, store);
TableHelper.createTableColumn(
mThreadTable,
"stime",
SWT.RIGHT,
"utime", //$NON-NLS-1$
PREFS_THREAD_COL_STIME, store);
TableHelper.createTableColumn(
mThreadTable,
"Name",
SWT.LEFT,
"android.class.ReallyLongClassName.MethodName", //$NON-NLS-1$
PREFS_THREAD_COL_NAME, store);
mThreadViewer = new TableViewer(mThreadTable);
mThreadViewer.setContentProvider(new ThreadContentProvider());
mThreadViewer.setLabelProvider(new ThreadLabelProvider());
mThreadViewer.addSelectionChangedListener(new ISelectionChangedListener() {
public void selectionChanged(SelectionChangedEvent event) {
ThreadInfo selectedThread = getThreadSelection(event.getSelection());
updateThreadStackTrace(selectedThread);
}
});
mThreadViewer.addDoubleClickListener(new IDoubleClickListener() {
public void doubleClick(DoubleClickEvent event) {
ThreadInfo selectedThread = getThreadSelection(event.getSelection());
if (selectedThread != null) {
Client client = (Client)mThreadViewer.getInput();
if (client != null) {
client.requestThreadStackTrace(selectedThread.getThreadId());
}
}
}
});
// the separating sash
final Sash sash = new Sash(mThreadBase, SWT.HORIZONTAL);
Color darkGray = parent.getDisplay().getSystemColor(SWT.COLOR_DARK_GRAY);
sash.setBackground(darkGray);
// the UI below the sash
mStackTraceBase = new Composite(mThreadBase, SWT.NONE);
mStackTraceBase.setLayout(new GridLayout(2, false));
mRefreshStackTraceButton = new Button(mStackTraceBase, SWT.PUSH);
mRefreshStackTraceButton.setText("Refresh");
mRefreshStackTraceButton.addSelectionListener(new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e) {
ThreadInfo selectedThread = getThreadSelection(null);
if (selectedThread != null) {
Client currentClient = getCurrentClient();
if (currentClient != null) {
currentClient.requestThreadStackTrace(selectedThread.getThreadId());
}
}
}
});
mStackTraceTimeLabel = new Label(mStackTraceBase, SWT.NONE);
mStackTraceTimeLabel.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
mStackTracePanel = new StackTracePanel();
mStackTraceTable = mStackTracePanel.createPanel(mStackTraceBase,
PREFS_STACK_COL_CLASS,
PREFS_STACK_COL_METHOD,
PREFS_STACK_COL_FILE,
PREFS_STACK_COL_LINE,
PREFS_STACK_COL_NATIVE,
store);
GridData gd;
mStackTraceTable.setLayoutData(gd = new GridData(GridData.FILL_BOTH));
gd.horizontalSpan = 2;
// now setup the sash.
// form layout data
FormData data = new FormData();
data.top = new FormAttachment(0, 0);
data.bottom = new FormAttachment(sash, 0);
data.left = new FormAttachment(0, 0);
data.right = new FormAttachment(100, 0);
mThreadTable.setLayoutData(data);
final FormData sashData = new FormData();
if (store != null && store.contains(PREFS_THREAD_SASH)) {
sashData.top = new FormAttachment(0, store.getInt(PREFS_THREAD_SASH));
} else {
sashData.top = new FormAttachment(50,0); // 50% across
}
sashData.left = new FormAttachment(0, 0);
sashData.right = new FormAttachment(100, 0);
sash.setLayoutData(sashData);
data = new FormData();
data.top = new FormAttachment(sash, 0);
data.bottom = new FormAttachment(100, 0);
data.left = new FormAttachment(0, 0);
data.right = new FormAttachment(100, 0);
mStackTraceBase.setLayoutData(data);
// allow resizes, but cap at minPanelWidth
sash.addListener(SWT.Selection, new Listener() {
public void handleEvent(Event e) {
Rectangle sashRect = sash.getBounds();
Rectangle panelRect = mThreadBase.getClientArea();
int bottom = panelRect.height - sashRect.height - 100;
e.y = Math.max(Math.min(e.y, bottom), 100);
if (e.y != sashRect.y) {
sashData.top = new FormAttachment(0, e.y);
store.setValue(PREFS_THREAD_SASH, e.y);
mThreadBase.layout();
}
}
});
((StackLayout)mBase.getLayout()).topControl = mNotSelected;
return mBase;
}
/**
* Sets the focus to the proper control inside the panel.
*/
@Override
public void setFocus() {
mThreadTable.setFocus();
}
/**
* Sent when an existing client information changed.
* <p/>
* This is sent from a non UI thread.
* @param client the updated client.
* @param changeMask the bit mask describing the changed properties. It can contain
* any of the following values: {@link Client#CHANGE_INFO}, {@link Client#CHANGE_NAME}
* {@link Client#CHANGE_DEBUGGER_INTEREST}, {@link Client#CHANGE_THREAD_MODE},
* {@link Client#CHANGE_THREAD_DATA}, {@link Client#CHANGE_HEAP_MODE},
* {@link Client#CHANGE_HEAP_DATA}, {@link Client#CHANGE_NATIVE_HEAP_DATA}
*
* @see IClientChangeListener#clientChanged(Client, int)
*/
public void clientChanged(final Client client, int changeMask) {
if (client == getCurrentClient()) {
if ((changeMask & Client.CHANGE_THREAD_MODE) != 0 ||
(changeMask & Client.CHANGE_THREAD_DATA) != 0) {
try {
mThreadTable.getDisplay().asyncExec(new Runnable() {
public void run() {
clientSelected();
}
});
} catch (SWTException e) {
// widget is disposed, we do nothing
}
} else if ((changeMask & Client.CHANGE_THREAD_STACKTRACE) != 0) {
try {
mThreadTable.getDisplay().asyncExec(new Runnable() {
public void run() {
updateThreadStackCall();
}
});
} catch (SWTException e) {
// widget is disposed, we do nothing
}
}
}
}
/**
* Sent when a new device is selected. The new device can be accessed
* with {@link #getCurrentDevice()}.
*/
@Override
public void deviceSelected() {
// pass
}
/**
* Sent when a new client is selected. The new client can be accessed
* with {@link #getCurrentClient()}.
*/
@Override
public void clientSelected() {
if (mThreadTable.isDisposed()) {
return;
}
Client client = getCurrentClient();
mStackTracePanel.setCurrentClient(client);
if (client != null) {
if (!client.isThreadUpdateEnabled()) {
((StackLayout)mBase.getLayout()).topControl = mNotEnabled;
mThreadViewer.setInput(null);
// if we are currently updating the thread, stop doing it.
mMustStopRecurringThreadUpdate = true;
} else {
((StackLayout)mBase.getLayout()).topControl = mThreadBase;
mThreadViewer.setInput(client);
synchronized (mLock) {
// if we're not updating we start the process
if (mRecurringThreadUpdateRunning == false) {
startRecurringThreadUpdate();
} else if (mMustStopRecurringThreadUpdate) {
// else if there's a runnable that's still going to get called, lets
// simply cancel the stop, and keep going
mMustStopRecurringThreadUpdate = false;
}
}
}
} else {
((StackLayout)mBase.getLayout()).topControl = mNotSelected;
mThreadViewer.setInput(null);
}
mBase.layout();
}
/**
* Updates the stack call of the currently selected thread.
* <p/>
* This <b>must</b> be called from the UI thread.
*/
private void updateThreadStackCall() {
Client client = getCurrentClient();
if (client != null) {
// get the current selection in the ThreadTable
ThreadInfo selectedThread = getThreadSelection(null);
if (selectedThread != null) {
updateThreadStackTrace(selectedThread);
} else {
updateThreadStackTrace(null);
}
}
}
/**
* updates the stackcall of the specified thread. If <code>null</code> the UI is emptied
* of current data.
* @param thread
*/
private void updateThreadStackTrace(ThreadInfo thread) {
mStackTracePanel.setViewerInput(thread);
if (thread != null) {
mRefreshStackTraceButton.setEnabled(true);
long stackcallTime = thread.getStackCallTime();
if (stackcallTime != 0) {
String label = new Date(stackcallTime).toString();
mStackTraceTimeLabel.setText(label);
} else {
mStackTraceTimeLabel.setText(""); //$NON-NLS-1$
}
} else {
mRefreshStackTraceButton.setEnabled(true);
mStackTraceTimeLabel.setText(""); //$NON-NLS-1$
}
}
@Override
protected void setTableFocusListener() {
addTableToFocusListener(mThreadTable);
addTableToFocusListener(mStackTraceTable);
}
/**
* Initiate recurring events. We use a shorter "initialWait" so we do the
* first execution sooner. We don't do it immediately because we want to
* give the clients a chance to get set up.
*/
private void startRecurringThreadUpdate() {
mRecurringThreadUpdateRunning = true;
int initialWait = 1000;
mDisplay.timerExec(initialWait, new Runnable() {
public void run() {
synchronized (mLock) {
// lets check we still want updates.
if (mMustStopRecurringThreadUpdate == false) {
Client client = getCurrentClient();
if (client != null) {
client.requestThreadUpdate();
mDisplay.timerExec(
DdmUiPreferences.getThreadRefreshInterval() * 1000, this);
} else {
// we don't have a Client, which means the runnable is not
// going to be called through the timer. We reset the running flag.
mRecurringThreadUpdateRunning = false;
}
} else {
// else actually stops (don't call the timerExec) and reset the flags.
mRecurringThreadUpdateRunning = false;
mMustStopRecurringThreadUpdate = false;
}
}
}
});
}
/**
* Returns the current thread selection or <code>null</code> if none is found.
* If a {@link ISelection} object is specified, the first {@link ThreadInfo} from this selection
* is returned, otherwise, the <code>ISelection</code> returned by
* {@link TableViewer#getSelection()} is used.
* @param selection the {@link ISelection} to use, or <code>null</code>
*/
private ThreadInfo getThreadSelection(ISelection selection) {
if (selection == null) {
selection = mThreadViewer.getSelection();
}
if (selection instanceof IStructuredSelection) {
IStructuredSelection structuredSelection = (IStructuredSelection)selection;
Object object = structuredSelection.getFirstElement();
if (object instanceof ThreadInfo) {
return (ThreadInfo)object;
}
}
return null;
}
}
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