/* Copyright (C) 2014 J.F.Dockes
* 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.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the
* Free Software Foundation, Inc.,
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef _CDBROWSER_H_INCLUDED_
#define _CDBROWSER_H_INCLUDED_
#include <vector>
#include <iostream>
#include <unordered_set>
#include <set>
#include <QtWebKit/QWebView>
#include <QVariant>
#include <QTimer>
#include <QPoint>
#include <QMouseEvent>
#include "libupnpp/control/description.hxx"
#include "libupnpp/control/mediaserver.hxx"
#include "libupnpp/control/cdirectory.hxx"
#include "HelperStructs/MetaData.h"
#include "HelperStructs/globals.h"
class ContentDirectoryQO;
class RecursiveReaper;
class DirBrowser;
class CDBrowser : public QWebView
{
Q_OBJECT;
public:
CDBrowser(QWidget* parent = 0);
virtual ~CDBrowser();
void setDirBrowser(DirBrowser *db) {m_browsers = db;}
void getSearchCaps(std::set<std::string>& caps) {caps = m_searchcaps;}
void search(const std::string& iss);
// Entry for path inside current server: for going back later
struct CtPathElt {
CtPathElt() : scrollpos(0,0) {}
CtPathElt(const std::string& id, const std::string& tt,
const std::string ss = std::string())
: objid(id), title(tt), searchStr(ss), scrollpos(0,0) {}
std::string objid;
std::string title;
std::string searchStr;
QPoint scrollpos;
};
void browseIn(QString UDN, vector<CtPathElt> path);
public slots:
virtual void initialPage();
void onBrowseDone(int);
void onSliceAvailable(UPnPClient::UPnPDirContent *);
void onReaperSliceAvailable(UPnPClient::UPnPDirContent *);
void setStyleSheet(bool);
signals:
void sig_tracks_to_playlist(const MetaDataList&);
void sig_now_in(QWidget *, const QString&);
void sig_searchcaps_changed();
void sig_browse_in_new_tab(QString UDN,
std::vector<CDBrowser::CtPathElt>);
protected slots:
virtual void appendHtml(const QString&, const QString& html);
virtual void onLinkClicked(const QUrl &);
virtual void createPopupMenu(const QPoint&);
virtual void simpleAdd(QAction *);
virtual void recursiveAdd(QAction *);
virtual void back(QAction *);
virtual void rreaperDone(int);
virtual void onContentsSizeChanged(const QSize&);
virtual void mouseReleaseEvent(QMouseEvent *event);
private:
void initContainerHtml(const std::string& ss=string());
void browseContainer(std::string, std::string, QPoint scrollpos = QPoint());
void search(const string& objid, const string& iss, QPoint scrollpos =
QPoint());
void curpathClicked(unsigned int i);
// When displaying the servers list, we periodically check the
// server pool state. The last seen Media Server descriptions are
// stored in m_msdescs for diffing with the new ones and deciding
// if we need to redraw. Timer and servers list are only used
// while we are displaying the servers page, the timer is stopped
// as soon as a link is clicked.
QTimer m_timer;
std::vector<UPnPClient::UPnPDeviceDesc> m_msdescs;
// Handle for the currently active media server
UPnPClient::MSRH m_ms;
// Search caps of current server
std::set<std::string> m_searchcaps;
std::vector<CtPathElt> m_curpath;
// Threaded objects to perform directory reads and recursive walks
ContentDirectoryQO *m_reader;
RecursiveReaper *m_reaper;
void deleteReaders();
// Content of the currently visited container or search
std::vector<UPnPClient::UPnPDirObject> m_entries;
// Scroll position to be restored when we're done reading. This is
// so that the user can scroll while we insert?
QPoint m_savedscrollpos;
// Recursive explore contents, for possible sorting before sending to pl
std::vector<UPnPClient::UPnPDirObject> m_recwalkentries;
// URL hashes for deduplication while walking the tree
std::unordered_set<std::string> m_recwalkdedup;
// Pointer to parent tabbed object for access to shared state (insertActive)
DirBrowser *m_browsers;
// Objid and index in entries for the last popup menu click
std::string m_popupobjid;
std::string m_popupobjtitle;
int m_popupidx;
int m_popupmode; // now, next, at end
// Remember last click kind for detecting midclick
Qt::MouseButton m_lastbutton;
// State for init browsing in subdir instead of servers page (middle-click)
QString m_initUDN;
};
// A QObject to hold a QString. Maybe there would be a simpler way to
// do this but anyway... We use javascript to append html to the
// window content when new directory entries arrive. We could include
// the html in a javascript statement:
// innerhtml += "html text"
// But then we'd have to escape all the double quotes. Instead we store
// the text inside the QObject text property and make the QObject
// available to javascript. The javascript statement becomes
// innerhtml += newtext.text
class StringObj : public QObject {
Q_OBJECT;
Q_PROPERTY(QString text READ text);
public:
StringObj(const QString& s)
: m_s(s)
{ }
QString text()
{
return m_s;
}
QString m_s;
};
#endif /* _CDBROWSER_H_INCLUDED_ */