dlls/mshtml/htmlstyleelem.c

/*
 * Copyright 2010 Jacek Caban for CodeWeavers
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
 */

#include <stdarg.h>

#define COBJMACROS

#include "windef.h"
#include "winbase.h"
#include "winuser.h"
#include "winreg.h"
#include "ole2.h"

#include "wine/debug.h"

#include "mshtml_private.h"
#include "htmlevent.h"
#include "mshtmdid.h"

WINE_DEFAULT_DEBUG_CHANNEL(mshtml);

struct HTMLStyleElement {
    HTMLElement element;

    IHTMLStyleElement IHTMLStyleElement_iface;
    IHTMLStyleElement2 IHTMLStyleElement2_iface;

    nsIDOMHTMLStyleElement *nsstyle;
    IHTMLStyleSheet *style_sheet;
};

static inline HTMLStyleElement *impl_from_IHTMLStyleElement(IHTMLStyleElement *iface)
{
    return CONTAINING_RECORD(iface, HTMLStyleElement, IHTMLStyleElement_iface);
}

DISPEX_IDISPATCH_IMPL(HTMLStyleElement, IHTMLStyleElement,
                      impl_from_IHTMLStyleElement(iface)->element.node.event_target.dispex)

static HRESULT WINAPI HTMLStyleElement_put_type(IHTMLStyleElement *iface, BSTR v)
{
    HTMLStyleElement *This = impl_from_IHTMLStyleElement(iface);
    nsAString type_str;
    nsresult nsres;

    TRACE("(%p)->(%s)\n", This, debugstr_w(v));

    nsAString_InitDepend(&type_str, v);
    nsres = nsIDOMHTMLStyleElement_SetType(This->nsstyle, &type_str);
    nsAString_Finish(&type_str);
    if(NS_FAILED(nsres)) {
        ERR("SetType failed: %08lx\n", nsres);
        return E_FAIL;
    }

    return S_OK;
}

static HRESULT WINAPI HTMLStyleElement_get_type(IHTMLStyleElement *iface, BSTR *p)
{
    HTMLStyleElement *This = impl_from_IHTMLStyleElement(iface);
    nsAString nsstr;
    nsresult nsres;

    TRACE("(%p)->(%p)\n", This, p);

    nsAString_Init(&nsstr, NULL);
    nsres = nsIDOMHTMLStyleElement_GetType(This->nsstyle, &nsstr);
    return return_nsstr(nsres, &nsstr, p);
}

static HRESULT WINAPI HTMLStyleElement_get_readyState(IHTMLStyleElement *iface, BSTR *p)
{
    HTMLStyleElement *This = impl_from_IHTMLStyleElement(iface);
    FIXME("(%p)->(%p)\n", This, p);
    return E_NOTIMPL;
}

static HRESULT WINAPI HTMLStyleElement_put_onreadystatechange(IHTMLStyleElement *iface, VARIANT v)
{
    HTMLStyleElement *This = impl_from_IHTMLStyleElement(iface);
    FIXME("(%p)->(%s)\n", This, debugstr_variant(&v));
    return E_NOTIMPL;
}

static HRESULT WINAPI HTMLStyleElement_get_onreadystatechange(IHTMLStyleElement *iface, VARIANT *p)
{
    HTMLStyleElement *This = impl_from_IHTMLStyleElement(iface);
    FIXME("(%p)->(%p)\n", This, p);
    return E_NOTIMPL;
}

static HRESULT WINAPI HTMLStyleElement_put_onload(IHTMLStyleElement *iface, VARIANT v)
{
    HTMLStyleElement *This = impl_from_IHTMLStyleElement(iface);
    TRACE("(%p)->(%s)\n", This, debugstr_variant(&v));
    return IHTMLElement6_put_onload(&This->element.IHTMLElement6_iface, v);
}

static HRESULT WINAPI HTMLStyleElement_get_onload(IHTMLStyleElement *iface, VARIANT *p)
{
    HTMLStyleElement *This = impl_from_IHTMLStyleElement(iface);
    TRACE("(%p)->(%p)\n", This, p);
    return IHTMLElement6_get_onload(&This->element.IHTMLElement6_iface, p);
}

static HRESULT WINAPI HTMLStyleElement_put_onerror(IHTMLStyleElement *iface, VARIANT v)
{
    HTMLStyleElement *This = impl_from_IHTMLStyleElement(iface);
    TRACE("(%p)->(%s)\n", This, debugstr_variant(&v));
    return IHTMLElement6_put_onerror(&This->element.IHTMLElement6_iface, v);
}

static HRESULT WINAPI HTMLStyleElement_get_onerror(IHTMLStyleElement *iface, VARIANT *p)
{
    HTMLStyleElement *This = impl_from_IHTMLStyleElement(iface);
    TRACE("(%p)->(%p)\n", This, p);
    return IHTMLElement6_get_onerror(&This->element.IHTMLElement6_iface, p);
}

static HRESULT WINAPI HTMLStyleElement_get_styleSheet(IHTMLStyleElement *iface, IHTMLStyleSheet **p)
{
    HTMLStyleElement *This = impl_from_IHTMLStyleElement(iface);

    TRACE("(%p)->(%p)\n", This, p);

    if(!This->nsstyle)
        return E_FAIL;

    if(!This->style_sheet) {
        nsIDOMStyleSheet *ss;
        nsresult nsres;

        nsres = nsIDOMHTMLStyleElement_GetDOMStyleSheet(This->nsstyle, &ss);
        assert(nsres == NS_OK);

        if(ss) {
            HRESULT hres = create_style_sheet(ss, &This->element.node.event_target.dispex, &This->style_sheet);
            nsIDOMStyleSheet_Release(ss);
            if(FAILED(hres))
                return hres;
        }
    }

    if(This->style_sheet)
        IHTMLStyleSheet_AddRef(This->style_sheet);
    *p = This->style_sheet;
    return S_OK;
}

static HRESULT WINAPI HTMLStyleElement_put_disabled(IHTMLStyleElement *iface, VARIANT_BOOL v)
{
    HTMLStyleElement *This = impl_from_IHTMLStyleElement(iface);
    FIXME("(%p)->(%x)\n", This, v);
    return E_NOTIMPL;
}

static HRESULT WINAPI HTMLStyleElement_get_disabled(IHTMLStyleElement *iface, VARIANT_BOOL *p)
{
    HTMLStyleElement *This = impl_from_IHTMLStyleElement(iface);
    FIXME("(%p)->(%p)\n", This, p);
    return E_NOTIMPL;
}

static HRESULT WINAPI HTMLStyleElement_put_media(IHTMLStyleElement *iface, BSTR v)
{
    HTMLStyleElement *This = impl_from_IHTMLStyleElement(iface);
    nsAString media_str;
    nsresult nsres;

    TRACE("(%p)->(%s)\n", This, debugstr_w(v));

    nsAString_InitDepend(&media_str, v);
    nsres = nsIDOMHTMLStyleElement_SetMedia(This->nsstyle, &media_str);
    nsAString_Finish(&media_str);
    if(NS_FAILED(nsres)) {
        ERR("SetMedia failed: %08lx\n", nsres);
        return E_FAIL;
    }

    return S_OK;
}

static HRESULT WINAPI HTMLStyleElement_get_media(IHTMLStyleElement *iface, BSTR *p)
{
    HTMLStyleElement *This = impl_from_IHTMLStyleElement(iface);
    nsAString nsstr;
    nsresult nsres;

    TRACE("(%p)->(%p)\n", This, p);

    nsAString_Init(&nsstr, NULL);
    nsres = nsIDOMHTMLStyleElement_GetMedia(This->nsstyle, &nsstr);
    return return_nsstr(nsres, &nsstr, p);
}

static const IHTMLStyleElementVtbl HTMLStyleElementVtbl = {
    HTMLStyleElement_QueryInterface,
    HTMLStyleElement_AddRef,
    HTMLStyleElement_Release,
    HTMLStyleElement_GetTypeInfoCount,
    HTMLStyleElement_GetTypeInfo,
    HTMLStyleElement_GetIDsOfNames,
    HTMLStyleElement_Invoke,
    HTMLStyleElement_put_type,
    HTMLStyleElement_get_type,
    HTMLStyleElement_get_readyState,
    HTMLStyleElement_put_onreadystatechange,
    HTMLStyleElement_get_onreadystatechange,
    HTMLStyleElement_put_onload,
    HTMLStyleElement_get_onload,
    HTMLStyleElement_put_onerror,
    HTMLStyleElement_get_onerror,
    HTMLStyleElement_get_styleSheet,
    HTMLStyleElement_put_disabled,
    HTMLStyleElement_get_disabled,
    HTMLStyleElement_put_media,
    HTMLStyleElement_get_media
};

static inline HTMLStyleElement *impl_from_IHTMLStyleElement2(IHTMLStyleElement2 *iface)
{
    return CONTAINING_RECORD(iface, HTMLStyleElement, IHTMLStyleElement2_iface);
}

DISPEX_IDISPATCH_IMPL(HTMLStyleElement2, IHTMLStyleElement2,
                      impl_from_IHTMLStyleElement2(iface)->element.node.event_target.dispex)

static HRESULT WINAPI HTMLStyleElement2_get_sheet(IHTMLStyleElement2 *iface, IHTMLStyleSheet **p)
{
    HTMLStyleElement *This = impl_from_IHTMLStyleElement2(iface);
    TRACE("(%p)->(%p)\n", This, p);
    return IHTMLStyleElement_get_styleSheet(&This->IHTMLStyleElement_iface, p);
}

static const IHTMLStyleElement2Vtbl HTMLStyleElement2Vtbl = {
    HTMLStyleElement2_QueryInterface,
    HTMLStyleElement2_AddRef,
    HTMLStyleElement2_Release,
    HTMLStyleElement2_GetTypeInfoCount,
    HTMLStyleElement2_GetTypeInfo,
    HTMLStyleElement2_GetIDsOfNames,
    HTMLStyleElement2_Invoke,
    HTMLStyleElement2_get_sheet
};

static inline HTMLStyleElement *impl_from_DispatchEx(DispatchEx *iface)
{
    return CONTAINING_RECORD(iface, HTMLStyleElement, element.node.event_target.dispex);
}

static void *HTMLStyleElement_query_interface(DispatchEx *dispex, REFIID riid)
{
    HTMLStyleElement *This = impl_from_DispatchEx(dispex);

    if(IsEqualGUID(&IID_IHTMLStyleElement, riid))
        return &This->IHTMLStyleElement_iface;
    if(IsEqualGUID(&IID_IHTMLStyleElement2, riid))
        return &This->IHTMLStyleElement2_iface;

    return HTMLElement_query_interface(&This->element.node.event_target.dispex, riid);
}

static void HTMLStyleElement_traverse(DispatchEx *dispex, nsCycleCollectionTraversalCallback *cb)
{
    HTMLStyleElement *This = impl_from_DispatchEx(dispex);
    HTMLElement_traverse(dispex, cb);

    if(This->style_sheet)
        note_cc_edge((nsISupports*)This->style_sheet, "style_sheet", cb);
    if(This->nsstyle)
        note_cc_edge((nsISupports*)This->nsstyle, "nsstyle", cb);
}

static void HTMLStyleElement_unlink(DispatchEx *dispex)
{
    HTMLStyleElement *This = impl_from_DispatchEx(dispex);
    HTMLElement_unlink(dispex);
    unlink_ref(&This->style_sheet);
    unlink_ref(&This->nsstyle);
}

static void HTMLStyleElement_init_dispex_info(dispex_data_t *info, compat_mode_t mode)
{
    static const dispex_hook_t ie11_hooks[] = {
        {DISPID_IHTMLSTYLEELEMENT_READYSTATE, NULL},
        {DISPID_IHTMLSTYLEELEMENT_STYLESHEET, NULL},
        {DISPID_UNKNOWN}
    };
    static const dispex_hook_t hooks[] = {
        {DISPID_IHTMLSTYLEELEMENT_STYLESHEET, .noattr = TRUE},
        {DISPID_UNKNOWN}
    };

    HTMLElement_init_dispex_info(info, mode);

    dispex_info_add_interface(info, IHTMLStyleElement_tid,
                              mode >= COMPAT_MODE_IE11 ? ie11_hooks : hooks);

    if(mode >= COMPAT_MODE_IE9)
        dispex_info_add_interface(info, IHTMLStyleElement2_tid, NULL);
}

static const NodeImplVtbl HTMLStyleElementImplVtbl = {
    .clsid                 = &CLSID_HTMLStyleElement,
    .cpc_entries           = HTMLElement_cpc,
    .clone                 = HTMLElement_clone,
    .get_attr_col          = HTMLElement_get_attr_col,
};

static const event_target_vtbl_t HTMLStyleElement_event_target_vtbl = {
    {
        HTMLELEMENT_DISPEX_VTBL_ENTRIES,
        .query_interface= HTMLStyleElement_query_interface,
        .destructor     = HTMLElement_destructor,
        .traverse       = HTMLStyleElement_traverse,
        .unlink         = HTMLStyleElement_unlink
    },
    HTMLELEMENT_EVENT_TARGET_VTBL_ENTRIES,
    .handle_event       = HTMLElement_handle_event
};

dispex_static_data_t HTMLStyleElement_dispex = {
    .id           = OBJID_HTMLStyleElement,
    .prototype_id = OBJID_HTMLElement,
    .vtbl         = &HTMLStyleElement_event_target_vtbl.dispex_vtbl,
    .disp_tid     = DispHTMLStyleElement_tid,
    .init_info    = HTMLStyleElement_init_dispex_info,
};

HRESULT HTMLStyleElement_Create(HTMLDocumentNode *doc, nsIDOMElement *nselem, HTMLElement **elem)
{
    HTMLStyleElement *ret;
    nsresult nsres;

    ret = calloc(1, sizeof(*ret));
    if(!ret)
        return E_OUTOFMEMORY;

    ret->IHTMLStyleElement_iface.lpVtbl = &HTMLStyleElementVtbl;
    ret->IHTMLStyleElement2_iface.lpVtbl = &HTMLStyleElement2Vtbl;
    ret->element.node.vtbl = &HTMLStyleElementImplVtbl;

    HTMLElement_Init(&ret->element, doc, nselem, &HTMLStyleElement_dispex);

    nsres = nsIDOMElement_QueryInterface(nselem, &IID_nsIDOMHTMLStyleElement, (void**)&ret->nsstyle);
    assert(nsres == NS_OK);

    *elem = &ret->element;
    return S_OK;
}