memspyui/ui/hb/src/memspyheapdumpsview.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Tue, 06 Jul 2010 14:17:03 +0300
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/*
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 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). 
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 * All rights reserved.
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 * This component and the accompanying materials are made available
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 * under the terms of "Eclipse Public License v1.0"
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 * which accompanies this distribution, and is available
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 * at the URL "http://www.eclipse.org/legal/epl-v10.html".
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 *
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 * Initial Contributors:
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 * Nokia Corporation - initial contribution.
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 *
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 * Contributors:
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 *
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 * Description:
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 *  
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 */
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#include <HbToolBar>
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#include <HbAction>
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#include <HbDataForm>
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#include <HbDataFormModel>
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#include <HbProgressDialog>
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#include <HbMessageBox>
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#include <HbLabel>
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#include "memspyheapdumpsview.h"
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#include "enginewrapper.h"
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const QStringList MODE_ITEMS = QStringList() << 
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	MemSpyHeapDumpsView::tr("Kernel") << 
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	MemSpyHeapDumpsView::tr("User") << 
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	MemSpyHeapDumpsView::tr("Both");
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MemSpyHeapDumpsView::MemSpyHeapDumpsView(EngineWrapper &engine, ViewManager &viewManager) : 
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	MemSpyView(engine, viewManager),
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	mModel(0),
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	mModeItem(0),
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	mFilterItem(0),
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	mDwoProgressDialog(0)
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{
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}
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MemSpyHeapDumpsView::~MemSpyHeapDumpsView()
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{
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	delete mDwoProgressDialog;
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}
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void MemSpyHeapDumpsView::initialize(const QVariantMap& params)
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{
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	setTitle(tr("Heap Dumps"));
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	MemSpyView::initialize(params);
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}
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HbToolBar* MemSpyHeapDumpsView::createToolBar()
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{
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	HbToolBar* toolBar = new HbToolBar();
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	toolBar->addAction(tr("Dump Now"), this, SLOT(dump()));
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	return toolBar;
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}
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HbWidget* MemSpyHeapDumpsView::createCentralWidget()
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{
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	mModel = new HbDataFormModel(this);
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	//TODO: uncomment after kernel heap dumps are implemented 
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//	mModeItem = mModel->appendDataFormItem(
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//		HbDataFormModelItem::ComboBoxItem, tr("Heap Dump"));
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//	mModeItem->setContentWidgetData("items", MODE_ITEMS);
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//	mModeItem->setContentWidgetData("currentIndex", mEngine.settings().heapDumpsMode());
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//	modeChanged(mEngine.settings().heapDumpsMode());
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	//TODO: remove after kernel heap dumps are implemented
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	createFilterItem();
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	HbDataForm* form = new HbDataForm(this);
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	form->setModel(mModel);
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	//TODO: uncomment after kernel heap dumps are implemented
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//	form->addConnection(mModeItem, SIGNAL(currentIndexChanged(int)), this, SLOT(modeChanged(int)));
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	return form;
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}
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void MemSpyHeapDumpsView::modeChanged(int mode)
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{
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	if (mode == HeapDumpsModeKernel && mFilterItem)
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		removeFilterItem();
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	else if (mode != HeapDumpsModeKernel && !mFilterItem)
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		createFilterItem();
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}
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void MemSpyHeapDumpsView::createFilterItem()
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{
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	mFilterItem = mModel->appendDataFormItem(
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			HbDataFormModelItem::TextItem, tr("Filter"));
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}
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void MemSpyHeapDumpsView::removeFilterItem()
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{
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	mModel->removeItem(mFilterItem);
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	mFilterItem = 0;
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}
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void MemSpyHeapDumpsView::dump()
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{
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    mEngine.updateOutputSettings();
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	HeapDumpsMode mode = HeapDumpsModeUser;
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	//TODO: uncomment after kernel heap dumps are implemented 
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	//static_cast<HeapDumpsMode>(mModeItem->contentWidgetData("currentIndex").toInt());
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	// save settings
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	//TODO: uncomment after kernel heap dumps are implemented
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	//mEngine.settings().setHeapDumpsMode(mode);
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   116
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	if (mode == HeapDumpsModeKernel || mode == HeapDumpsModeBoth) {
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		// dump kernel heap
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		mDwoProgressDialog = new HbProgressDialog(HbProgressDialog::WaitDialog);
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		mDwoProgressDialog->setText(tr("Please wait..."));
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		mDwoProgressDialog->show();
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   122
		
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		MemSpyKernelHeapDumpTracker* tracker = mEngine.createKernelHeapDumpTracker();
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		connect(tracker, SIGNAL(finished(int)), this, SLOT(asyncOperationFinished(int)));
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		tracker->start();
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	}
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	if (mode == HeapDumpsModeUser || mode == HeapDumpsModeBoth) {
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		// dump user heap
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   130
		
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		QString filter = mFilterItem->contentWidgetData("text").toString();
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		if (!filter.isEmpty()) {
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   133
		    
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			int errorCode = mEngine.outputThreadHeapData(filter);
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            if (errorCode == KErrNotFound) {
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                HbMessageBox *messageBox = new HbMessageBox(HbMessageBox::MessageTypeInformation);
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                messageBox->setText(tr("No thread matches your filter"));
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                HbLabel *header = new HbLabel(tr("No such thread"), messageBox);
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                messageBox->setHeadingWidget(header);
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                messageBox->setAttribute(Qt::WA_DeleteOnClose);
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                messageBox->setTimeout(HbPopup::StandardTimeout);
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                messageBox->open();
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            }
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   144
			    
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   145
			
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		} else {
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			mDwoProgressDialog = new HbProgressDialog(HbProgressDialog::ProgressDialog);
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			mDwoProgressDialog->setMinimum(0);
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			mDwoProgressDialog->setMaximum(100);
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			mDwoProgressDialog->show();
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   151
			
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			MemSpyDwoTracker* tracker = mEngine.createDeviceWideOperation(OutputHeapData);
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			connect(tracker, SIGNAL(progress(int,QString)), this, SLOT(updateDwoProgress(int,QString)));
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			connect(tracker, SIGNAL(finished(int)), this, SLOT(asyncOperationFinished(int)));
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			connect(mDwoProgressDialog, SIGNAL(cancelled()), tracker, SLOT(cancel()));
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			tracker->start();
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		}
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	}
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}
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   160
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void MemSpyHeapDumpsView::updateDwoProgress(int progress, const QString& processName)
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{
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	mDwoProgressDialog->setText(processName);
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	mDwoProgressDialog->setProgressValue(progress);
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}
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   166
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void MemSpyHeapDumpsView::asyncOperationFinished(int errorCode)
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{
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	mDwoProgressDialog->hide();
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	delete mDwoProgressDialog;
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	mDwoProgressDialog = 0;
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   172
	
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	delete sender();    
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   174
	
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	if (errorCode != KErrNone && errorCode != KErrCancel) {
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	    HbMessageBox *messageBox = new HbMessageBox(HbMessageBox::MessageTypeWarning);
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        messageBox->setText(tr("An error occured during the operation. Error code: %1").arg(errorCode));
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        HbLabel *header = new HbLabel(tr("Error"), messageBox);
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        messageBox->setHeadingWidget(header);
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        messageBox->setAttribute(Qt::WA_DeleteOnClose);
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        messageBox->setTimeout(HbPopup::StandardTimeout);
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        messageBox->open();
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   183
	}
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}