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/*
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version
2 of the License, or (at your option) any later version.
*/
#include <QPushButton>
#include <QJsonDocument>
#include <QJsonArray>
#include <QJsonObject>
#include <QLabel>
#include <QHBoxLayout>
#include <QVBoxLayout>
#include <QTabWidget>
#include <QStackedWidget>
#include <QImage>
#include "filepropertiesdialog.h"
#include "smtreemodel.h"
#include "smtreeitem.h"
#include "smtreeview.h"
#include "helper.h"
FilePropertiesDialog::FilePropertiesDialog(const QString &file, QWidget *parent, Qt::WindowFlags f) : SmDialog(parent, f), mFile(file){
mStack = new QStackedWidget;
mTab = new QTabWidget;
QString lText = QString(tr("<b>Properties - %1</b>")).arg(mFile);
QLabel *l = new QLabel(lText);
QVBoxLayout *mainLayout = new QVBoxLayout;
mainLayout->addWidget(l);
QWidget *formatWidget = new QWidget;
mFormatView = new SmTreeView;
mFormatModel = new SmTreeModel(QStringList() << tr("Key") << tr("Value"), this);
mFormatView->setModel(mFormatModel);
QHBoxLayout *formatLayout = new QHBoxLayout;
formatLayout->addWidget(mFormatView);
formatWidget->setLayout(formatLayout);
mTab->addTab(formatWidget, tr("Format"));
QWidget *streamWidget = new QWidget;
mStreamView = new SmTreeView;
mStreamModel = new SmTreeModel(QStringList() << tr("Key") << tr("Value"), this);
mStreamView->setModel(mStreamModel);
QHBoxLayout *streamLayout = new QHBoxLayout;
streamLayout->addWidget(mStreamView);
streamWidget->setLayout(streamLayout);
mTab->addTab(streamWidget, tr("Streams"));
mStack->addWidget(mTab);
QWidget *picWidget = new QWidget;
mPicView = new SmTreeView;
mPicModel = new SmTreeModel(QStringList() << tr("Key") << tr("Value"), this);
mPicView->setModel(mPicModel);
QHBoxLayout *picLayout = new QHBoxLayout;
picLayout->addWidget(mPicView);
picWidget->setLayout(picLayout);
mStack->addWidget(picWidget);
mainLayout->addWidget(mStack);
mOk = new QPushButton(tr("Ok"));
connect(mOk, SIGNAL(clicked()), this, SLOT(accept()));
QHBoxLayout *buttonLayout = new QHBoxLayout;
buttonLayout->addStretch();
buttonLayout->addWidget(mOk);
buttonLayout->addStretch();
mainLayout->addLayout(buttonLayout);
setLayout(mainLayout);
QString mimeType = Helper::mimeType(mFile);
if(mimeType.startsWith("video")){
mStack->setCurrentIndex(0);
movieData();
}else if(mimeType.startsWith("image")){
mStack->setCurrentIndex(1);
pictureData();
}
}
void FilePropertiesDialog::movieData(){
QJsonDocument jsDoc = Helper::streamData(mFile);
if(jsDoc.isNull()){
return;
}
QJsonObject obj = jsDoc.object();
SmTreeItem *formatItem = new SmTreeItem(2);
movieDataRecursive(obj.value("format"), formatItem);
mFormatModel->setRoot(formatItem);
mFormatView->expandAll();
SmTreeItem *streamItem = new SmTreeItem(2);
QJsonArray streamA = obj.value("streams").toArray();
for(int i = 0; i < streamA.size(); ++i){
QString itemName = QString(tr("Stream %1 [%2]")).arg(QString::number(i + 1)).arg(streamA.at(i).toObject().value("codec_type").toString());
SmTreeItem *item = new SmTreeItem(QList<QVariant>() << itemName << QVariant(), streamItem);
streamItem->appendChild(item);
movieDataRecursive(streamA.at(i), item);
}
mStreamModel->setRoot(streamItem);
mStreamView->expandAll();
}
void FilePropertiesDialog::movieDataRecursive(QJsonValue start, SmTreeItem *appendTo){
QJsonObject sObject = start.toObject();
QJsonObject::const_iterator it;
for(it = sObject.constBegin(); it != sObject.constEnd(); ++it){
QList<QVariant> data = QList<QVariant>() << it.key() << it.value().toVariant();
if(it.key() == "duration"){
qint64 seconds = it.value().toString().toDouble();
Helper::Duration dur(seconds);
data[1] = dur.toString();
}
if(it.key() == "bit_rate"){
qint64 br = it.value().toString().toInt() / 1000;
data[1] = QString("%1 kb/s").arg(QString::number(br));
}
SmTreeItem *newItem = new SmTreeItem(data, appendTo);
appendTo->appendChild(newItem);
movieDataRecursive(*it, newItem);
}
}
void FilePropertiesDialog::pictureData(){
QImage img = QImage(mFile);
if(img.isNull()){
return;
}
SmTreeItem *rootItem = new SmTreeItem(2);
appendItem(QList<QVariant>() << tr("width") << img.width(), rootItem);
appendItem(QList<QVariant>() << tr("height") << img.height(), rootItem);
appendItem(QList<QVariant>() << tr("depth") << img.depth(), rootItem);
appendItem(QList<QVariant>() << tr("alpha channel") << (img.hasAlphaChannel() ? tr("yes") : tr("no")), rootItem);
appendItem(QList<QVariant>() << tr("qt format") << img.format(), rootItem);
appendItem(QList<QVariant>() << tr("byte count") << img.byteCount(), rootItem);
mPicModel->setRoot(rootItem);
}
void FilePropertiesDialog::appendItem(const QList<QVariant> &data, SmTreeItem *parent){
SmTreeItem *item = new SmTreeItem(data, parent);
parent->appendChild(item);
}
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