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241 lines
7.4 KiB
241 lines
7.4 KiB
/*
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* Copyright (C) 2013 Open Education Foundation
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*
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* Copyright (C) 2010-2013 Groupement d'Intérêt Public pour
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* l'Education Numérique en Afrique (GIP ENA)
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*
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* This file is part of OpenBoard.
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*
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* OpenBoard is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, version 3 of the License,
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* with a specific linking exception for the OpenSSL project's
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* "OpenSSL" library (or with modified versions of it that use the
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* same license as the "OpenSSL" library).
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*
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* OpenBoard is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with OpenBoard. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <QDebug>
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#include <QHeaderView>
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#include <QStyleOptionProgressBarV2>
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#include <QApplication>
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#include "UBDownloadWidget.h"
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#include "globals/UBGlobals.h"
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#include "core/UBApplication.h"
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#include "core/memcheck.h"
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/**
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* \brief Constructor
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* @param parent as the parent widget
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* @param name as the widget object name
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*/
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UBDownloadWidget::UBDownloadWidget(QWidget *parent, const char *name):QWidget(parent)
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, mpLayout(NULL)
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, mpBttnLayout(NULL)
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, mpTree(NULL)
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, mpCancelBttn(NULL)
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, mpItem(NULL)
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{
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setObjectName(name);
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setWindowTitle(tr("Downloading files"));
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SET_STYLE_SHEET();
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resize(400, 300);
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mpLayout = new QVBoxLayout(this);
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setLayout(mpLayout);
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mpTree = new QTreeWidget(this);
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mpTree->setRootIsDecorated(false);
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mpTree->setColumnCount(2);
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mpTree->header()->setStretchLastSection(false);
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mpTree->header()->setResizeMode(eItemColumn_Desc, QHeaderView::Stretch);
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mpTree->header()->setResizeMode(eItemColumn_Close, QHeaderView::Custom);
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mpTree->resizeColumnToContents(eItemColumn_Close);
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mpTree->header()->close();
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mpLayout->addWidget(mpTree, 1);
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mpBttnLayout = new QHBoxLayout();
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mpBttnLayout->addStretch(1);
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mpCancelBttn = new QPushButton(tr("Cancel"), this);
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mpCancelBttn->setObjectName("DockPaletteWidgetButton");
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mpBttnLayout->addWidget(mpCancelBttn, 0);
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mpLayout->addLayout(mpBttnLayout);
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connect(UBDownloadManager::downloadManager(), SIGNAL(fileAddedToDownload()), this, SLOT(onFileAddedToDownload()));
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connect(UBDownloadManager::downloadManager(), SIGNAL(downloadUpdated(int,qint64,qint64)), this, SLOT(onDownloadUpdated(int,qint64,qint64)));
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connect(UBDownloadManager::downloadManager(), SIGNAL(downloadFinished(int)), this, SLOT(onDownloadFinished(int)));
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connect(mpCancelBttn, SIGNAL(clicked()), this, SLOT(onCancelClicked()));
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connect(mpTree, SIGNAL(itemClicked(QTreeWidgetItem*,int)), this, SLOT(onItemClicked(QTreeWidgetItem*,int)));
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}
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/**
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* \brief Destructor
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*/
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UBDownloadWidget::~UBDownloadWidget()
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{
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if(NULL != mpCancelBttn)
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{
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delete mpCancelBttn;
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mpCancelBttn = NULL;
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}
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if(NULL != mpTree)
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{
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delete mpTree;
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mpTree = NULL;
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}
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if(NULL != mpBttnLayout)
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{
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delete mpBttnLayout;
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mpBttnLayout = NULL;
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}
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if(NULL != mpLayout)
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{
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delete mpLayout;
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mpLayout = NULL;
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}
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}
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/**
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* \brief Refresh the tree of downloaded files
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*/
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void UBDownloadWidget::onFileAddedToDownload()
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{
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if(NULL != mpTree)
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{
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mpTree->clear();
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addCurrentDownloads();
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addPendingDownloads();
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}
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}
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/**
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* \brief Add the current downloads
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*/
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void UBDownloadWidget::addCurrentDownloads()
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{
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QVector<sDownloadFileDesc> actualDL = UBDownloadManager::downloadManager()->currentDownloads();
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qDebug() << "Actual downloads size: " << actualDL.size();
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for(int i=0; i<actualDL.size();i++)
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{
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mpItem = new QTreeWidgetItem(mpTree);
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mpItem->setText(eItemColumn_Desc, actualDL.at(i).name);
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mpItem->setData(eItemColumn_Desc, Qt::UserRole, QVariant(actualDL.at(i).id));
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mpItem->setIcon(eItemColumn_Close, QIcon(":images/close.svg"));
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mpTree->addTopLevelItem(mpItem);
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mpItem = new QTreeWidgetItem(mpTree);
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mpItem->setData(eItemColumn_Desc, Qt::UserRole, actualDL.at(i).currentSize);
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mpItem->setData(eItemColumn_Desc, Qt::UserRole + 1, actualDL.at(i).totalSize);
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mpItem->setData(eItemColumn_Desc, Qt::UserRole + 2, actualDL.at(i).id);
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mpTree->addTopLevelItem(mpItem);
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mpTree->setItemDelegateForRow(((i+1)*2)-1, &mProgressBarDelegate);
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}
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}
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/**
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* \brief Add the pending downloads
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*/
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void UBDownloadWidget::addPendingDownloads()
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{
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QVector<sDownloadFileDesc> pendingDL = UBDownloadManager::downloadManager()->pendingDownloads();
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for(int i=0; i<pendingDL.size(); i++)
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{
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mpItem = new QTreeWidgetItem(mpTree);
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mpItem->setText(eItemColumn_Desc, pendingDL.at(i).name);
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mpItem->setData(eItemColumn_Desc, Qt::UserRole, QVariant(pendingDL.at(i).id));
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mpTree->addTopLevelItem(mpItem);
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}
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}
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/**
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* \brief Update the progress bar
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* @param id as the downloaded file id
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* @param crnt as the current transfered size
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* @param total as the total size of the file
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*/
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void UBDownloadWidget::onDownloadUpdated(int id, qint64 crnt, qint64 total)
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{
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if(NULL != mpTree)
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{
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QAbstractItemModel* model = mpTree->model();
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if(NULL != model)
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{
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for(int i=0; i< model->rowCount(); i++)
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{
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QModelIndex currentIndex = model->index(i, eItemColumn_Desc);
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if(id == currentIndex.data(Qt::UserRole + 2))
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{
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// We found the right item, now we update the progress bar
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model->setData(currentIndex, crnt, Qt::UserRole);
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model->setData(currentIndex, total, Qt::UserRole + 1);
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break;
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}
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}
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}
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}
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}
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/**
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* \brief Handles the download finish notification
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* @param id as the downloaded file id
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*/
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void UBDownloadWidget::onDownloadFinished(int id)
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{
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Q_UNUSED(id);
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// Refresh the file's list
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onFileAddedToDownload();
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}
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/**
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* \brief Handles the Cancel button action
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*/
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void UBDownloadWidget::onCancelClicked()
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{
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UBDownloadManager::downloadManager()->cancelDownloads();
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}
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/**
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* \brief Handles the item click notification
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* @param pItem as the item clicked
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* @param col as the column containing the item clicked
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*/
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void UBDownloadWidget::onItemClicked(QTreeWidgetItem *pItem, int col)
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{
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if( eItemColumn_Close == col
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&& "" != pItem->text(eItemColumn_Desc)){
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// Stop the download of the clicked item and remove it from the list
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UBDownloadManager::downloadManager()->cancelDownload(pItem->data(eItemColumn_Desc, Qt::UserRole).toInt());
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}
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}
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// ---------------------------------------------------------------------------------------------
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UBDownloadProgressDelegate::UBDownloadProgressDelegate(QObject *parent):QItemDelegate(parent)
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{
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}
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void UBDownloadProgressDelegate::paint(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const
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{
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QStyleOptionProgressBarV2 opt;
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opt.rect = option.rect;
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opt.minimum = 0;
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opt.maximum = index.data(Qt::UserRole + 1).toInt();
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opt.progress = index.data(Qt::UserRole).toInt();
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if(0 == index.column()){
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QApplication::style()->drawControl(QStyle::CE_ProgressBar, &opt, painter, 0);
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}
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}
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