widget/src/qt/nsMime.cpp
author mats.palmgren@bredband.net
Thu, 17 May 2007 20:49:14 -0700
changeset 1585 633138510b5ae5e25a3bfe66d2db572dc361d448
parent 1 9b2a99adc05e53cd4010de512f50118594756650
permissions -rw-r--r--
Move nsIDocShellTreeItem::childOffset to nsDocShell and remove all uses except internally by nsDocShell (it should be removed eventually). b=376562 r=Olli.Pettay sr=bzbarsky

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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 * The Original Code is mozilla.org code.
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 * The Initial Developer of the Original Code is
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 * Contributor(s):
 *   Lars Knoll <knoll@kde.org>
 *   Zack Rusin <zack@kde.org>
 *   Denis Issoupov <denis@macadamian.com>
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#include "nsDragService.h"
#include "nsIServiceManager.h"
#include "nsXPCOM.h"
#include "nsISupportsPrimitives.h"
#include "nsXPIDLString.h"
#include "nsPrimitiveHelpers.h"
#include "nsReadableUtils.h"
#include "nsClipboard.h"
#include "nsMime.h"
#include "nsCRT.h"

#include <qapplication.h>
#include <qclipboard.h>

//----------------------------------------------------------
nsMimeStoreData::nsMimeStoreData(const QCString &name, const QByteArray &data)
{
    flavorName = name;
    flavorData = data;
}

nsMimeStoreData::nsMimeStoreData(const char *name, void *rawdata, PRInt32 rawlen)
{
    flavorName = name;
    flavorData.assign((char*)rawdata,(unsigned int)rawlen);
}

//----------------------------------------------------------
nsMimeStore::nsMimeStore()
{
    mMimeStore.setAutoDelete(TRUE);
}

nsMimeStore::~nsMimeStore()
{
}

const char* nsMimeStore::format(int n) const
{
    if (n >= (int)mMimeStore.count())
        return 0;

    // because of const

    const nsMimeStoreData* msd;
    msd = mMimeStore.at(n);

    return msd->flavorName;
}

QByteArray nsMimeStore::encodedData(const char* name) const
{
    QByteArray qba;

    QString mime(name);

    /* XXX: for some reason in here we're getting mimetype
     * with charset, eg "text/plain;charset=UTF-8" so here
     * we remove the charset
     */
    int n = mime.findRev(";");
    mime = mime.remove(n, mime.length() - n);

    // because of const
    nsMimeStoreData* msd;
    QPtrList<nsMimeStoreData>::const_iterator it = mMimeStore.begin();
    while ((msd = *it)) {
        if (mime.utf8() == msd->flavorName) {
            qba = msd->flavorData;
            return qba;
        }
        ++it;
    }
#ifdef NS_DEBUG
    printf("nsMimeStore::encodedData requested unknown %s\n", name);
#endif
    return qba;
}

PRBool nsMimeStore::ContainsFlavor(const char* name)
{
    for (nsMimeStoreData *msd = mMimeStore.first(); msd; msd = mMimeStore.next()) {
        if (!strcmp(name, msd->flavorName))
            return PR_TRUE;
    }
    return PR_FALSE;
}

PRBool nsMimeStore::AddFlavorData(const char* name, const QByteArray &data)
{
    if (ContainsFlavor(name))
        return PR_FALSE;
    mMimeStore.append(new nsMimeStoreData(name, data));

    // we're done unless we're given text/unicode,
    // and text/plain is not already advertised,
    if (strcmp(name, kUnicodeMime) || ContainsFlavor(kTextMime))
        return PR_TRUE;
    // in which case we also advertise text/plain
    // which we will convert on our own in nsDataObj::GetText().

    // let's text/plain be first for stupid programs
    // Ownership of |as| is transfered to mMimeStore
    mMimeStore.insert(0,new nsMimeStoreData(kTextMime,data.data(),data.count() + 1));
    return PR_TRUE;
}

//----------------------------------------------------------
nsDragObject::nsDragObject(nsMimeStore* mimeStore,QWidget* dragSource,
                           const char* name)
    : QDragObject(dragSource, name)
{
    if (!mimeStore)
        NS_ASSERTION(PR_TRUE, "Invalid  pointer.");

    mMimeStore = mimeStore;
}

nsDragObject::~nsDragObject()
{
    delete mMimeStore;
}

const char* nsDragObject::format(int i) const
{
    if (i >= (int)mMimeStore->count())
        return 0;

    const char* frm = mMimeStore->format(i);
#ifdef NS_DEBUG
    printf("nsDragObject::format i=%i %s\n",i, frm);
#endif
    return frm;
}

QByteArray nsDragObject::encodedData(const char* frm) const
{
#ifdef NS_DEBUG
    printf("nsDragObject::encodedData %s\n",frm);
#endif
    return mMimeStore->encodedData(frm);
}