Java tutorial
/* ** Copyright 2011, 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.glesv2debugger; import com.android.glesv2debugger.DebuggerMessage.Message; import com.android.glesv2debugger.DebuggerMessage.Message.Function; import com.android.glesv2debugger.DebuggerMessage.Message.Prop; import com.android.glesv2debugger.DebuggerMessage.Message.Type; import com.android.sdklib.util.SparseArray; import org.eclipse.jface.action.Action; import org.eclipse.jface.action.IMenuListener; import org.eclipse.jface.action.IMenuManager; import org.eclipse.jface.action.IToolBarManager; import org.eclipse.jface.action.MenuManager; import org.eclipse.jface.action.Separator; import org.eclipse.jface.dialogs.InputDialog; import org.eclipse.jface.dialogs.MessageDialog; import org.eclipse.jface.viewers.ISelectionChangedListener; import org.eclipse.jface.viewers.IStructuredContentProvider; import org.eclipse.jface.viewers.ITableLabelProvider; import org.eclipse.jface.viewers.LabelProvider; import org.eclipse.jface.viewers.ListViewer; import org.eclipse.jface.viewers.SelectionChangedEvent; import org.eclipse.jface.viewers.StructuredSelection; import org.eclipse.jface.viewers.TreeViewer; import org.eclipse.jface.viewers.Viewer; import org.eclipse.jface.viewers.ViewerFilter; import org.eclipse.jface.viewers.ViewerSorter; import org.eclipse.jface.window.Window; import org.eclipse.swt.SWT; import org.eclipse.swt.events.SelectionEvent; import org.eclipse.swt.events.SelectionListener; import org.eclipse.swt.graphics.Font; import org.eclipse.swt.graphics.GC; import org.eclipse.swt.graphics.Image; import org.eclipse.swt.graphics.Point; import org.eclipse.swt.graphics.Rectangle; import org.eclipse.swt.layout.GridData; import org.eclipse.swt.layout.GridLayout; import org.eclipse.swt.widgets.Canvas; import org.eclipse.swt.widgets.Composite; import org.eclipse.swt.widgets.Event; import org.eclipse.swt.widgets.FileDialog; import org.eclipse.swt.widgets.Listener; import org.eclipse.swt.widgets.Menu; import org.eclipse.swt.widgets.ScrollBar; import org.eclipse.swt.widgets.Shell; import org.eclipse.swt.widgets.Slider; import org.eclipse.swt.widgets.TabFolder; import org.eclipse.swt.widgets.TabItem; import org.eclipse.swt.widgets.Text; import org.eclipse.ui.IActionBars; import org.eclipse.ui.IWorkbenchActionConstants; import org.eclipse.ui.PlatformUI; import org.eclipse.ui.part.ViewPart; import java.io.FileInputStream; import java.io.FileNotFoundException; import java.nio.ByteOrder; /** * This sample class demonstrates how to plug-in a new workbench view. The view * shows data obtained from the model. The sample creates a dummy model on the * fly, but a real implementation would connect to the model available either in * this or another plug-in (e.g. the workspace). The view is connected to the * model using a content provider. * <p> * The view uses a label provider to define how model objects should be * presented in the view. Each view can present the same model objects using * different labels and icons, if needed. Alternatively, a single label provider * can be shared between views in order to ensure that objects of the same type * are presented in the same way everywhere. * <p> */ public class SampleView extends ViewPart implements Runnable, SelectionListener { public static final ByteOrder targetByteOrder = ByteOrder.LITTLE_ENDIAN; boolean running = false; Thread thread; MessageQueue messageQueue; SparseArray<DebugContext> debugContexts = new SparseArray<DebugContext>(); /** The ID of the view as specified by the extension. */ public static final String ID = "glesv2debuggerclient.views.SampleView"; TabFolder tabFolder; TabItem tabItemText, tabItemImage, tabItemBreakpointOption; TabItem tabItemShaderEditor, tabContextViewer; ListViewer viewer; // ListViewer / TableViewer Slider frameNum; // scale max cannot overlap min, so max is array size TreeViewer contextViewer; BreakpointOption breakpointOption; ShaderEditor shaderEditor; Canvas canvas; Text text; Action actionConnect; // connect / disconnect Action actionAutoScroll; Action actionFilter; Action actionPort; Action actContext; // for toggling contexts DebugContext current = null; Point origin = new Point(0, 0); // for smooth scrolling canvas String[] filters = null; class ViewContentProvider extends LabelProvider implements IStructuredContentProvider, ITableLabelProvider { Frame frame = null; @Override public void inputChanged(Viewer v, Object oldInput, Object newInput) { frame = (Frame) newInput; } @Override public void dispose() { } @Override public Object[] getElements(Object parent) { return frame.get().toArray(); } @Override public String getText(Object obj) { MessageData msgData = (MessageData) obj; return msgData.text; } @Override public Image getImage(Object obj) { MessageData msgData = (MessageData) obj; return msgData.getImage(); } @Override public String getColumnText(Object obj, int index) { MessageData msgData = (MessageData) obj; if (index >= msgData.columns.length) return null; return msgData.columns[index]; } @Override public Image getColumnImage(Object obj, int index) { if (index > -1) return null; MessageData msgData = (MessageData) obj; return msgData.getImage(); } } class NameSorter extends ViewerSorter { @Override public int compare(Viewer viewer, Object e1, Object e2) { MessageData m1 = (MessageData) e1; MessageData m2 = (MessageData) e2; return (int) ((m1.msg.getTime() - m2.msg.getTime()) * 100); } } class Filter extends ViewerFilter { @Override public boolean select(Viewer viewer, Object parentElement, Object element) { MessageData msgData = (MessageData) element; if (null == filters) return true; for (int i = 0; i < filters.length; i++) if (msgData.text.contains(filters[i])) return true; return false; } } public SampleView() { } public void createLeftPane(Composite parent) { Composite composite = new Composite(parent, 0); GridLayout gridLayout = new GridLayout(); gridLayout.numColumns = 1; composite.setLayout(gridLayout); frameNum = new Slider(composite, SWT.BORDER | SWT.HORIZONTAL); frameNum.setMinimum(0); frameNum.setMaximum(1); frameNum.setSelection(0); frameNum.addSelectionListener(this); GridData gridData = new GridData(); gridData.horizontalAlignment = SWT.FILL; gridData.grabExcessHorizontalSpace = true; gridData.verticalAlignment = SWT.FILL; frameNum.setLayoutData(gridData); // Table table = new Table(composite, SWT.H_SCROLL | SWT.V_SCROLL | // SWT.MULTI // | SWT.FULL_SELECTION); // TableLayout layout = new TableLayout(); // table.setLayout(layout); // table.setLinesVisible(true); // table.setHeaderVisible(true); // String[] headings = { // "Name", "Elapsed (ms)", "Detail" // }; // int[] weights = { // 50, 16, 60 // }; // int[] widths = { // 180, 90, 200 // }; // for (int i = 0; i < headings.length; i++) { // layout.addColumnData(new ColumnWeightData(weights[i], widths[i], // true)); // TableColumn nameCol = new TableColumn(table, SWT.NONE, i); // nameCol.setText(headings[i]); // } // viewer = new TableViewer(table); viewer = new ListViewer(composite, SWT.DEFAULT); viewer.getList().setFont(new Font(viewer.getList().getDisplay(), "Courier", 10, SWT.BOLD)); ViewContentProvider contentProvider = new ViewContentProvider(); viewer.setContentProvider(contentProvider); viewer.setLabelProvider(contentProvider); // viewer.setSorter(new NameSorter()); viewer.setFilters(new ViewerFilter[] { new Filter() }); gridData = new GridData(); gridData.horizontalAlignment = SWT.FILL; gridData.grabExcessHorizontalSpace = true; gridData.verticalAlignment = SWT.FILL; gridData.grabExcessVerticalSpace = true; viewer.getControl().setLayoutData(gridData); } /** * This is a callback that will allow us to create the viewer and initialize * it. */ @Override public void createPartControl(Composite parent) { createLeftPane(parent); // Create the help context id for the viewer's control PlatformUI.getWorkbench().getHelpSystem().setHelp(viewer.getControl(), "GLESv2DebuggerClient.viewer"); tabFolder = new TabFolder(parent, SWT.BORDER); text = new Text(tabFolder, SWT.NO_BACKGROUND | SWT.READ_ONLY | SWT.V_SCROLL | SWT.H_SCROLL); tabItemText = new TabItem(tabFolder, SWT.NONE); tabItemText.setText("Text"); tabItemText.setControl(text); canvas = new Canvas(tabFolder, SWT.NO_BACKGROUND | SWT.NO_REDRAW_RESIZE | SWT.V_SCROLL | SWT.H_SCROLL); tabItemImage = new TabItem(tabFolder, SWT.NONE); tabItemImage.setText("Image"); tabItemImage.setControl(canvas); breakpointOption = new BreakpointOption(this, tabFolder); tabItemBreakpointOption = new TabItem(tabFolder, SWT.NONE); tabItemBreakpointOption.setText("Breakpoint Option"); tabItemBreakpointOption.setControl(breakpointOption); shaderEditor = new ShaderEditor(this, tabFolder); tabItemShaderEditor = new TabItem(tabFolder, SWT.NONE); tabItemShaderEditor.setText("Shader Editor"); tabItemShaderEditor.setControl(shaderEditor); contextViewer = new TreeViewer(tabFolder); ContextViewProvider contextViewProvider = new ContextViewProvider(this); contextViewer.addSelectionChangedListener(contextViewProvider); contextViewer.setContentProvider(contextViewProvider); contextViewer.setLabelProvider(contextViewProvider); tabContextViewer = new TabItem(tabFolder, SWT.NONE); tabContextViewer.setText("Context Viewer"); tabContextViewer.setControl(contextViewer.getTree()); final ScrollBar hBar = canvas.getHorizontalBar(); hBar.addListener(SWT.Selection, new Listener() { @Override public void handleEvent(Event e) { if (null == canvas.getBackgroundImage()) return; Image image = canvas.getBackgroundImage(); int hSelection = hBar.getSelection(); int destX = -hSelection - origin.x; Rectangle rect = image.getBounds(); canvas.scroll(destX, 0, 0, 0, rect.width, rect.height, false); origin.x = -hSelection; } }); final ScrollBar vBar = canvas.getVerticalBar(); vBar.addListener(SWT.Selection, new Listener() { @Override public void handleEvent(Event e) { if (null == canvas.getBackgroundImage()) return; Image image = canvas.getBackgroundImage(); int vSelection = vBar.getSelection(); int destY = -vSelection - origin.y; Rectangle rect = image.getBounds(); canvas.scroll(0, destY, 0, 0, rect.width, rect.height, false); origin.y = -vSelection; } }); canvas.addListener(SWT.Resize, new Listener() { @Override public void handleEvent(Event e) { if (null == canvas.getBackgroundImage()) return; Image image = canvas.getBackgroundImage(); Rectangle rect = image.getBounds(); Rectangle client = canvas.getClientArea(); hBar.setMaximum(rect.width); vBar.setMaximum(rect.height); hBar.setThumb(Math.min(rect.width, client.width)); vBar.setThumb(Math.min(rect.height, client.height)); int hPage = rect.width - client.width; int vPage = rect.height - client.height; int hSelection = hBar.getSelection(); int vSelection = vBar.getSelection(); if (hSelection >= hPage) { if (hPage <= 0) hSelection = 0; origin.x = -hSelection; } if (vSelection >= vPage) { if (vPage <= 0) vSelection = 0; origin.y = -vSelection; } canvas.redraw(); } }); canvas.addListener(SWT.Paint, new Listener() { @Override public void handleEvent(Event e) { if (null == canvas.getBackgroundImage()) return; Image image = canvas.getBackgroundImage(); GC gc = e.gc; gc.drawImage(image, origin.x, origin.y); Rectangle rect = image.getBounds(); Rectangle client = canvas.getClientArea(); int marginWidth = client.width - rect.width; if (marginWidth > 0) { gc.fillRectangle(rect.width, 0, marginWidth, client.height); } int marginHeight = client.height - rect.height; if (marginHeight > 0) { gc.fillRectangle(0, rect.height, client.width, marginHeight); } } }); hookContextMenu(); hookSelectionChanged(); contributeToActionBars(); messageQueue = new MessageQueue(this, new ProcessMessage[] { breakpointOption, shaderEditor }); } private void hookContextMenu() { MenuManager menuMgr = new MenuManager("#PopupMenu"); menuMgr.setRemoveAllWhenShown(true); menuMgr.addMenuListener(new IMenuListener() { @Override public void menuAboutToShow(IMenuManager manager) { SampleView.this.fillContextMenu(manager); } }); Menu menu = menuMgr.createContextMenu(viewer.getControl()); viewer.getControl().setMenu(menu); getSite().registerContextMenu(menuMgr, viewer); } private void contributeToActionBars() { IActionBars bars = getViewSite().getActionBars(); fillLocalPullDown(bars.getMenuManager()); fillLocalToolBar(bars.getToolBarManager()); } private void fillLocalPullDown(IMenuManager manager) { // manager.add(actionConnect); // manager.add(new Separator()); // manager.add(actionDisconnect); } private void fillContextMenu(IMenuManager manager) { // manager.add(actionConnect); // manager.add(actionDisconnect); // Other plug-ins can contribute there actions here manager.add(new Separator(IWorkbenchActionConstants.MB_ADDITIONS)); } private void fillLocalToolBar(final IToolBarManager manager) { actionConnect = new Action("Connect", Action.AS_PUSH_BUTTON) { @Override public void run() { if (!running) changeContext(null); // viewer will switch to newest context connectDisconnect(); } }; manager.add(actionConnect); manager.add(new Action("Open File", Action.AS_PUSH_BUTTON) { @Override public void run() { if (!running) { changeContext(null); // viewer will switch to newest context openFile(); } } }); final Shell shell = this.getViewSite().getShell(); actionAutoScroll = new Action("Auto Scroll", Action.AS_CHECK_BOX) { @Override public void run() { } }; actionAutoScroll.setChecked(true); manager.add(actionAutoScroll); actionFilter = new Action("*", Action.AS_DROP_DOWN_MENU) { @Override public void run() { org.eclipse.jface.dialogs.InputDialog dialog = new org.eclipse.jface.dialogs.InputDialog(shell, "Contains Filter", "case sensitive substring or *", actionFilter.getText(), null); if (Window.OK == dialog.open()) { actionFilter.setText(dialog.getValue()); manager.update(true); filters = dialog.getValue().split("\\|"); if (filters.length == 1 && filters[0].equals("*")) filters = null; viewer.refresh(); } } }; manager.add(actionFilter); manager.add(new Action("CaptureDraw", Action.AS_DROP_DOWN_MENU) { @Override public void run() { int contextId = 0; if (current != null) contextId = current.contextId; InputDialog inputDialog = new InputDialog(shell, "Capture glDrawArrays/Elements", "Enter number of glDrawArrays/Elements to glReadPixels for " + "context 0x" + Integer.toHexString(contextId) + "\n(0x0 is any context)", "9001", null); if (inputDialog.open() != Window.OK) return; Message.Builder builder = Message.newBuilder(); builder.setContextId(contextId); builder.setType(Type.Response); builder.setExpectResponse(false); builder.setFunction(Function.SETPROP); builder.setProp(Prop.CaptureDraw); builder.setArg0(Integer.parseInt(inputDialog.getValue())); messageQueue.addCommand(builder.build()); } }); manager.add(new Action("CaptureSwap", Action.AS_DROP_DOWN_MENU) { @Override public void run() { int contextId = 0; if (current != null) contextId = current.contextId; InputDialog inputDialog = new InputDialog( shell, "Capture eglSwapBuffers", "Enter number of eglSwapBuffers to glReadPixels for " + "context 0x" + Integer.toHexString(contextId) + "\n(0x0 is any context)", "9001", null); if (inputDialog.open() != Window.OK) return; Message.Builder builder = Message.newBuilder(); builder.setContextId(contextId); builder.setType(Type.Response); builder.setExpectResponse(false); builder.setFunction(Function.SETPROP); builder.setProp(Prop.CaptureSwap); builder.setArg0(Integer.parseInt(inputDialog.getValue())); messageQueue.addCommand(builder.build()); } }); manager.add(new Action("SYSTEM_TIME_THREAD", Action.AS_DROP_DOWN_MENU) { @Override public void run() { final String[] timeModes = { "SYSTEM_TIME_REALTIME", "SYSTEM_TIME_MONOTONIC", "SYSTEM_TIME_PROCESS", "SYSTEM_TIME_THREAD" }; int i = java.util.Arrays.asList(timeModes).indexOf(this.getText()); i = (i + 1) % timeModes.length; Message.Builder builder = Message.newBuilder(); builder.setContextId(0); // FIXME: proper context id builder.setType(Type.Response); builder.setExpectResponse(false); builder.setFunction(Message.Function.SETPROP); builder.setProp(Prop.TimeMode); builder.setArg0(i); messageQueue.addCommand(builder.build()); this.setText(timeModes[i]); manager.update(true); } }); actContext = new Action("Context: 0x", Action.AS_DROP_DOWN_MENU) { @Override public void run() { if (debugContexts.size() < 2) return; final String idStr = this.getText().substring("Context: 0x".length()); if (idStr.length() == 0) return; final int contextId = Integer.parseInt(idStr, 16); int index = debugContexts.indexOfKey(contextId); index = (index + 1) % debugContexts.size(); changeContext(debugContexts.valueAt(index)); } }; manager.add(actContext); actionPort = new Action("5039", Action.AS_DROP_DOWN_MENU) { @Override public void run() { InputDialog dialog = new InputDialog(shell, "Port", "Debugger port", actionPort.getText(), null); if (Window.OK == dialog.open()) { actionPort.setText(dialog.getValue()); manager.update(true); } } }; manager.add(actionPort); manager.add(new Action("CodeGen Frame", Action.AS_PUSH_BUTTON) { @Override public void run() { if (current != null) { new CodeGen().codeGenFrame((Frame) viewer.getInput()); // need to reload current frame viewer.setInput(current.getFrame(frameNum.getSelection())); } } }); manager.add(new Action("CodeGen Frames", Action.AS_PUSH_BUTTON) { @Override public void run() { if (current != null) { new CodeGen().codeGenFrames(current, frameNum.getSelection() + 1, getSite().getShell()); // need to reload current frame viewer.setInput(current.getFrame(frameNum.getSelection())); } } }); } private void openFile() { FileDialog dialog = new FileDialog(getSite().getShell(), SWT.OPEN); dialog.setText("Open"); dialog.setFilterExtensions(new String[] { "*.gles2dbg" }); String filePath = dialog.open(); if (filePath == null) return; FileInputStream file = null; try { file = new FileInputStream(filePath); } catch (FileNotFoundException e) { e.printStackTrace(); return; } running = true; messageQueue.start(targetByteOrder, file); thread = new Thread(this); thread.start(); actionConnect.setText("Disconnect"); getViewSite().getActionBars().getToolBarManager().update(true); } private void connectDisconnect() { if (!running) { running = true; messageQueue.start(targetByteOrder, null); thread = new Thread(this); thread.start(); actionConnect.setText("Disconnect"); } else { running = false; messageQueue.stop(); actionConnect.setText("Connect"); } this.getSite().getShell().getDisplay().syncExec(new Runnable() { @Override public void run() { getViewSite().getActionBars().getToolBarManager().update(true); } }); } void messageDataSelected(final MessageData msgData) { if (null == msgData) return; if (frameNum.getSelection() == frameNum.getMaximum()) return; // scale max cannot overlap min, so max is array size final Frame frame = current.getFrame(frameNum.getSelection()); final Context context = frame.computeContext(msgData); contextViewer.setInput(context); if (msgData.getImage() != null) { canvas.setBackgroundImage(msgData.getImage()); tabFolder.setSelection(tabItemImage); canvas.redraw(); } else if (null != msgData.shader) { text.setText(msgData.shader); tabFolder.setSelection(tabItemText); } else if (null != msgData.attribs) { StringBuilder builder = new StringBuilder(); final int maxAttrib = msgData.msg.getArg7(); for (int i = 0; i < msgData.attribs[0].length / 4; i++) { if (msgData.indices != null) { builder.append(msgData.indices[i] & 0xffff); builder.append(": "); } for (int j = 0; j < maxAttrib; j++) { for (int k = 0; k < 4; k++) builder.append(String.format("%.3g ", msgData.attribs[j][i * 4 + k])); if (j < maxAttrib - 1) builder.append("|| "); } builder.append('\n'); } text.setText(builder.toString()); tabFolder.setSelection(tabItemText); } } private void hookSelectionChanged() { viewer.addSelectionChangedListener(new ISelectionChangedListener() { @Override public void selectionChanged(SelectionChangedEvent event) { StructuredSelection selection = (StructuredSelection) event.getSelection(); if (null == selection) return; MessageData msgData = (MessageData) selection.getFirstElement(); messageDataSelected(msgData); } }); } public void showError(final Exception e) { viewer.getControl().getDisplay().syncExec(new Runnable() { @Override public void run() { MessageDialog.openError(viewer.getControl().getShell(), "GL ES 2.0 Debugger Client", e.getMessage()); } }); } /** * Passing the focus request to the viewer's control. */ @Override public void setFocus() { viewer.getControl().setFocus(); } @Override public void run() { int newMessages = 0; boolean shaderEditorUpdate = false; while (running) { final Message oriMsg = messageQueue.removeCompleteMessage(0); if (oriMsg == null && !messageQueue.isRunning()) break; if (newMessages > 60 || (newMessages > 0 && null == oriMsg)) { newMessages = 0; if (current != null && current.uiUpdate) getSite().getShell().getDisplay().syncExec(new Runnable() { @Override public void run() { if (frameNum.getSelection() == current.frameCount() - 1 || frameNum.getSelection() == current.frameCount() - 2) { viewer.refresh(false); if (actionAutoScroll.isChecked()) viewer.getList().setSelection(viewer.getList().getItemCount() - 1); } frameNum.setMaximum(current.frameCount()); } }); current.uiUpdate = false; if (shaderEditorUpdate) this.getSite().getShell().getDisplay().syncExec(new Runnable() { @Override public void run() { shaderEditor.updateUI(); } }); shaderEditorUpdate = false; } if (null == oriMsg) { try { Thread.sleep(1); continue; } catch (InterruptedException e) { showError(e); } } DebugContext debugContext = debugContexts.get(oriMsg.getContextId()); if (debugContext == null) { debugContext = new DebugContext(oriMsg.getContextId()); debugContexts.put(oriMsg.getContextId(), debugContext); } debugContext.processMessage(oriMsg); shaderEditorUpdate |= debugContext.currentContext.serverShader.uiUpdate; debugContext.currentContext.serverShader.uiUpdate = false; if (current == null && debugContext.frameCount() > 0) changeContext(debugContext); newMessages++; } if (running) connectDisconnect(); // error occurred, disconnect } /** can be called from non-UI thread */ void changeContext(final DebugContext newContext) { getSite().getShell().getDisplay().syncExec(new Runnable() { @Override public void run() { current = newContext; if (current != null) { frameNum.setMaximum(current.frameCount()); if (frameNum.getSelection() >= current.frameCount()) if (current.frameCount() > 0) frameNum.setSelection(current.frameCount() - 1); else frameNum.setSelection(0); viewer.setInput(current.getFrame(frameNum.getSelection())); actContext.setText("Context: 0x" + Integer.toHexString(current.contextId)); } else { frameNum.setMaximum(1); // cannot overlap min frameNum.setSelection(0); viewer.setInput(null); actContext.setText("Context: 0x"); } shaderEditor.updateUI(); getViewSite().getActionBars().getToolBarManager().update(true); } }); } @Override public void widgetSelected(SelectionEvent e) { if (e.widget != frameNum) assert false; if (current == null) return; if (frameNum.getSelection() == current.frameCount()) return; // scale maximum cannot overlap minimum Frame frame = current.getFrame(frameNum.getSelection()); viewer.setInput(frame); } @Override public void widgetDefaultSelected(SelectionEvent e) { widgetSelected(e); } }