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path: root/embed/mozilla/mozilla-embed-persist.cpp
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/*
 *  Copyright (C) 2000, 2001, 2002 Marco Pesenti Gritti
 *
 *  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, 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.
 */

#include "ProgressListener.h"
#include "EphyWrapper.h"
#include "mozilla-embed.h"
#include "mozilla-embed-persist.h"

#include <stddef.h>
#include <nsIWebBrowserPersist.h>
#include <nsString.h>
#include <nsCWebBrowserPersist.h>
#include <nsNetUtil.h>

static void
mozilla_embed_persist_class_init (MozillaEmbedPersistClass *klass);
static void
mozilla_embed_persist_init (MozillaEmbedPersist *ges);
static void
mozilla_embed_persist_finalize (GObject *object);

static gresult 
impl_save (EphyEmbedPersist *persist);
static gresult 
impl_cancel (EphyEmbedPersist *persist);

struct MozillaEmbedPersistPrivate
{
    nsCOMPtr<nsIWebBrowserPersist> mPersist;
    GProgressListener *mProgress;
};

static GObjectClass *parent_class = NULL;

GType
mozilla_embed_persist_get_type (void)
{
       static GType mozilla_embed_persist_type = 0;

        if (mozilla_embed_persist_type == 0)
        {
                static const GTypeInfo our_info =
                {
                        sizeof (MozillaEmbedPersistClass),
                        NULL, /* base_init */
                        NULL, /* base_finalize */
                        (GClassInitFunc) mozilla_embed_persist_class_init,
                        NULL, /* class_finalize */
                        NULL, /* class_data */
                        sizeof (MozillaEmbedPersist),
                        0,    /* n_preallocs */
                        (GInstanceInitFunc) mozilla_embed_persist_init
                };

                mozilla_embed_persist_type = 
                g_type_register_static (EPHY_EMBED_PERSIST_TYPE,
                                                        "MozillaEmbedPersist",
                                                        &our_info, (GTypeFlags)0);
        }

        return mozilla_embed_persist_type;
}

static void
mozilla_embed_persist_class_init (MozillaEmbedPersistClass *klass)
{
        GObjectClass *object_class = G_OBJECT_CLASS (klass);
    EphyEmbedPersistClass *persist_class;
    
        parent_class = (GObjectClass *) g_type_class_peek_parent (klass);
    persist_class = EPHY_EMBED_PERSIST_CLASS (klass);
    
        object_class->finalize = mozilla_embed_persist_finalize;

    persist_class->save = impl_save;
    persist_class->cancel = impl_cancel;
}

static void
mozilla_embed_persist_init (MozillaEmbedPersist *persist)
{
        persist->priv = g_new0 (MozillaEmbedPersistPrivate, 1);
        persist->priv->mPersist = do_CreateInstance (NS_WEBBROWSERPERSIST_CONTRACTID);
}

static void
mozilla_embed_persist_finalize (GObject *object)
{
        MozillaEmbedPersist *persist;

        g_return_if_fail (object != NULL);
        g_return_if_fail (IS_MOZILLA_EMBED_PERSIST (object));

        persist = MOZILLA_EMBED_PERSIST (object);

    persist->priv->mPersist->SetProgressListener (nsnull);
    persist->priv->mPersist = nsnull;
    
        g_return_if_fail (persist->priv != NULL);

    g_free (persist->priv);
    
        G_OBJECT_CLASS (parent_class)->finalize (object);
}

void
mozilla_embed_persist_completed (MozillaEmbedPersist *persist)
{
    g_signal_emit_by_name (persist, "completed");
}

static gresult 
impl_cancel (EphyEmbedPersist *persist)
{
    nsCOMPtr<nsIWebBrowserPersist> bpersist =
    MOZILLA_EMBED_PERSIST (persist)->priv->mPersist;
    if (!bpersist) return G_FAILED;

    bpersist->CancelSave ();

    return G_OK;
}

static gresult 
impl_save (EphyEmbedPersist *persist)
{
    nsresult rv;
    nsAutoString s;
    char *filename;
    char *uri;
    int max_size;
    EphyEmbed *embed;
    EmbedPersistFlags flags;
    EphyWrapper *wrapper = NULL;
    
    g_object_get (persist,
              "source", &uri,        
              "dest", &filename,
              "flags", &flags,
              "embed", &embed,
              "max_size", &max_size,
              NULL);
    
    g_return_val_if_fail (filename != NULL, G_FAILED);
    
    nsCOMPtr<nsIWebBrowserPersist> bpersist =
        MOZILLA_EMBED_PERSIST (persist)->priv->mPersist;
    if (!bpersist) return G_FAILED;

    nsCOMPtr<nsIURI> linkURI;
    linkURI = nsnull;
    if (uri)
    {
            s.AssignWithConversion(uri);
            rv = NS_NewURI(getter_AddRefs(linkURI), s);
            if (NS_FAILED(rv) || !linkURI) return G_FAILED;
    }

        nsCOMPtr<nsILocalFile> file;
        NS_NewLocalFile(NS_ConvertUTF8toUCS2(filename), PR_TRUE, getter_AddRefs(file)); 
        if (NS_FAILED(rv) || !file) return G_FAILED;

    nsCOMPtr<nsILocalFile> path;
        if (flags & EMBED_PERSIST_SAVE_CONTENT)
    {
        char *datapath;
        datapath = g_strconcat (filename, "content", NULL);
                NS_NewLocalFile(NS_ConvertUTF8toUCS2(datapath), PR_TRUE, getter_AddRefs(path));
        g_free (datapath);
    }
        else
    {
                path = nsnull;
    }
    
    nsCOMPtr<nsIDOMWindow> parent;
    parent = nsnull;
    
    if (embed)
    {
            wrapper = (EphyWrapper *) mozilla_embed_get_galeon_wrapper (MOZILLA_EMBED(embed));
        g_return_val_if_fail (wrapper != NULL, G_FAILED);   
        wrapper->GetDOMWindow (getter_AddRefs (parent));
    }

    size_t len = strlen(filename);
    if((filename[len-1] == 'z' && filename[len-2] == 'g') ||
       (filename[len-1] == 'Z' && filename[len-2] == 'G'))
    {
                bpersist->SetPersistFlags (nsIWebBrowserPersist::PERSIST_FLAGS_NO_CONVERSION);
    }
        else
    {
            bpersist->SetPersistFlags (nsIWebBrowserPersist::PERSIST_FLAGS_NONE);
    }

    if (flags & EMBED_PERSIST_BYPASSCACHE)
    {
        bpersist->SetPersistFlags (nsIWebBrowserPersist::PERSIST_FLAGS_BYPASS_CACHE);
    }

    if (flags & EMBED_PERSIST_FROMCACHE)
    {
        bpersist->SetPersistFlags (nsIWebBrowserPersist::PERSIST_FLAGS_FROM_CACHE);
    }

    GProgressListener *aProgress = new GProgressListener ();
    MOZILLA_EMBED_PERSIST (persist)->priv->mProgress = aProgress;

    if (uri == NULL)
    {
        g_return_val_if_fail (wrapper != NULL, G_FAILED);
        
        nsCOMPtr<nsIDOMDocument> DOMDocument;

        if (flags & EMBED_PERSIST_MAINDOC)
        {
                    rv = wrapper->GetMainDOMDocument (getter_AddRefs(DOMDocument));
        }
            else
        {
                    rv = wrapper->GetDOMDocument (getter_AddRefs(DOMDocument));
        }
            if (NS_FAILED(rv) || !DOMDocument) return G_FAILED;

        nsCOMPtr<nsIDocument> document =
                                do_QueryInterface (DOMDocument, &rv);
            if (NS_FAILED(rv) || !document) return G_FAILED;

            nsCOMPtr<nsIURI> uri;
            rv = document->GetDocumentURL (getter_AddRefs(uri));
            if (NS_FAILED(rv) || !uri) return G_FAILED;

            aProgress->InitForPersist (bpersist, parent,
                                       uri, file, 
                                       ACTION_OBJECT_NOTIFY,
                       persist,
                       !(flags & EMBED_PERSIST_SHOW_PROGRESS));

        rv = bpersist->SaveDocument (DOMDocument, file, path, nsnull, 0, 0);
        if (NS_FAILED(rv)) return G_FAILED;
    }
    else
    {
            aProgress->InitForPersist (bpersist, parent,
                                       linkURI, file,
                                       ACTION_OBJECT_NOTIFY,
                                       persist, 
                       !(flags & EMBED_PERSIST_SHOW_PROGRESS));

        rv = bpersist->SaveURI (linkURI, nsnull, nsnull, nsnull, nsnull, file);
        if (NS_FAILED(rv)) return G_FAILED;
    }
    
    return G_OK;
}