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// download_screen.h (this is -*-c++-*- )
//
// Copyright 1999-2001, 2003-2005 Daniel Burrows
//
// 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; see the file COPYING. If not, write to
// the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
// Boston, MA 02111-1307, USA.
//
// This acts as a progress meter for a download.
#ifndef DOWNLOAD_SCREEN_H
#define DOWNLOAD_SCREEN_H
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <apt-pkg/acquire.h>
#ifdef HAVE_HASH_MAP
#include <hash_map>
#else
#ifdef HAVE_EXT_HASH_MAP
#include <ext/hash_map>
#else
// Fallback to the non-hashing map class
#include <map>
#define hash_map map
#endif
#endif
#include <cwidget/widgets/table.h>
#include <cwidget/widgets/tree.h>
#include <cwidget/widgets/subtree.h>
class download_item;
#if defined(HAVE_HASH_MAP) || defined(HAVE_EXT_HASH_MAP)
namespace HASH_NAMESPACE {
template <>
struct hash<void *>
{
size_t operator()(void * __x) const { return (size_t) __x; }
};
}
#endif
class download_tree:public cwidget::widgets::subtree_generic
{
public:
download_tree():cwidget::widgets::subtree_generic(true) {}
void paint(cwidget::widgets::tree *win, int y, bool hierarchical, const cwidget::style &style)
{cwidget::widgets::subtree_generic::paint(win, y, hierarchical, L"ERROR: SHOULD NOT APPEAR");}
const wchar_t * tag() {return L"download tree";}
const wchar_t * label() {return L"download tree";}
};
class download_screen:public cwidget::widgets::tree, public pkgAcquireStatus
{
typedef HASH_NAMESPACE::hash_map<void *, download_item *> downloadmap;
downloadmap active_items;
// Makes it easy to find a currently downloading item when we get a hit
// for it.
cwidget::widgets::widget *prev;
// The screen that was being displayed before we started running the
// download.
bool finished;
// If this is true, the status bar will be displayed as usual (as opposed to
// being a progress meter)
bool cancelled;
// True if the user cancelled the download.
download_tree *contents;
download_item *get_itm(pkgAcquire::ItemDesc &itmdesc)
{
downloadmap::iterator found=active_items.find(itmdesc.Owner);
eassert(found!=active_items.end());
return found->second;
}
protected:
bool handle_key(const cwidget::key &k);
public:
download_screen():prev(NULL),finished(false),cancelled(false) {contents=new download_tree; set_root(contents);}
bool MediaChange(string media, string drive);
void IMSHit(pkgAcquire::ItemDesc &itmdesc);
void Fetch(pkgAcquire::ItemDesc &itmdesc);
void Done(pkgAcquire::ItemDesc &itmdesc);
void Fail(pkgAcquire::ItemDesc &itmdesc);
bool Pulse(pkgAcquire *Owner);
void Start();
void Stop();
bool get_cursorvisible() {return false;}
//void paint_status();
virtual ~download_screen();
};
#endif
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