reactos/rosapps/applications/explorer-old/shell/webchild.cpp
Hermès Bélusca-Maïto f9b5ca3c79 Move explorer_old to the rosapps.
CORE-9198 #resolve

svn path=/trunk/; revision=66372
2015-02-20 14:54:05 +00:00

289 lines
6.1 KiB
C++

/*
* Copyright 2004, 2005 Martin Fuchs
*
* 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 Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
//
// Explorer clone
//
// webchild.cpp
//
// Martin Fuchs, 08.02.2004
//
#include <precomp.h>
#include "webchild.h"
#include <comutil.h>
Variant::Variant(const VARIANT& var)
{
VariantInit(this);
CheckError(VariantCopy(this, const_cast<VARIANT*>(&var)));
}
Variant::Variant(const VARIANT* var)
{
VariantInit(this);
CheckError(VariantCopy(this, const_cast<VARIANT*>(var)));
}
Variant::~Variant()
{
VariantClear(this);
}
Variant::operator long() const
{
Variant v;
CheckError(VariantChangeType(&v, (VARIANT*)this, 0, VT_I4));
return V_I4(&v);
}
Variant::operator bool() const
{
Variant v;
CheckError(VariantChangeType(&v, (VARIANT*)this, 0, VT_BOOL));
return V_BOOL(&v)? true: false;
}
Variant::operator IDispatch*() const
{
Variant v;
CheckError(VariantChangeType(&v, (VARIANT*)this, 0, VT_DISPATCH));
return V_DISPATCH(&v);
}
Variant::operator VARIANT_BOOL() const
{
Variant v;
CheckError(VariantChangeType(&v, (VARIANT*)this, 0, VT_BOOL));
return V_BOOL(&v);
}
void BStr::assign(BSTR s)
{
if (!SysReAllocString(&_p, s))
THROW_EXCEPTION(E_OUTOFMEMORY);
}
void BStr::assign(const VARIANT& var)
{
if (V_VT(&var) == VT_BSTR)
assign(V_BSTR(&var));
else {
Variant v;
CheckError(VariantChangeType(&v, const_cast<VARIANT*>(&var), 0, VT_BSTR));
assign(V_BSTR(&v));
}
}
BrowserNavigator::BrowserNavigator()
: _browser_initialized(false)
{
}
void BrowserNavigator::attach(IWebBrowser* browser)
{
_browser = browser;
}
void BrowserNavigator::goto_url(LPCTSTR url)
{
if (_browser_initialized)
_browser->Navigate(BStr(url), NULL, NULL, NULL, NULL);
else {
_new_url = url;
_browser->Navigate(BStr(L"about:blank"), NULL, NULL, NULL, NULL);
}
}
void BrowserNavigator::set_html_page(const String& html_txt)
{
_new_html_txt = html_txt;
goto_url(TEXT("about:blank"));
}
void T2nA_binary(LPCTSTR s, LPSTR d, int len)
{
while(len-- > 0)
*d++ = (unsigned char)*s++;
}
void BrowserNavigator::navigated(LPCTSTR url)
{
_browser_initialized = true;
bool nav = false;
if (!_new_url.empty()) {
if (!_tcscmp(url,TEXT("about:blank")) && _new_url!=TEXT("about:blank")) {
_browser->Navigate(BStr(_new_url), NULL, NULL, NULL, NULL);
++nav;
}
_new_url.erase();
}
if (!nav && !_new_html_txt.empty()) { ///@todo move this into DocumentComplete() ?
int len = _new_html_txt.length();
HGLOBAL hHtmlText = GlobalAlloc(GPTR, len);
if (!hHtmlText) {
T2nA_binary(_new_html_txt, (char*)hHtmlText, len);
_new_html_txt.erase();
SIfacePtr<IStream> pStream;
HRESULT hr = CreateStreamOnHGlobal(hHtmlText, TRUE, &pStream);
if (SUCCEEDED(hr)) {
SIfacePtr<IDispatch> pHtmlDoc;
CheckError(_browser->get_Document(&pHtmlDoc));
SIfacePtr<IPersistStreamInit> pPersistStreamInit;
pHtmlDoc.QueryInterface(IID_IPersistStreamInit, &pPersistStreamInit);
CheckError(pPersistStreamInit->InitNew());
CheckError(pPersistStreamInit->Load(pStream));
} else
GlobalFree(hHtmlText);
}
}
}
HWND create_webchildwindow(const WebChildWndInfo& info)
{
WebChildWindow* pWnd = WebChildWindow::create(info);
if (!pWnd)
return 0;
return *pWnd;
}
static const CLSID CLSID_MozillaBrowser =
{0x1339B54C, 0x3453, 0x11D2, {0x93, 0xB9, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}};
WebChildWindow::WebChildWindow(HWND hwnd, const WebChildWndInfo& info)
: super(hwnd, info),
web_super(_navigator)
{
// first try to create a web control with MS IE's CLASSID
HRESULT hr = create_control(hwnd, CLSID_WebBrowser, IID_IWebBrowser2);
// If this failed, try to use Mozilla's web control
if (FAILED(hr))
hr = create_control(hwnd, CLSID_MozillaBrowser, IID_IWebBrowser2);
if (SUCCEEDED(hr)) {
_navigator.attach(_control);
_connector = auto_ptr<EventConnector>(new EventConnector(_control, DIID_DWebBrowserEvents2, this));
_control->Navigate(BStr(info._path), &vtMissing, &vtMissing, &vtMissing, &vtMissing);
//browser->Navigate2(&Variant(info._path), &vtMissing, &vtMissing, &vtMissing, &vtMissing);
}
}
LRESULT WebChildWindow::WndProc(UINT nmsg, WPARAM wparam, LPARAM lparam)
{
try {
switch(nmsg) {
case WM_ERASEBKGND:
if (!_control) {
HDC hdc = (HDC)wparam;
ClientRect rect(_hwnd);
HBRUSH hbrush = CreateSolidBrush(RGB(200,200,235));
BkMode mode(hdc, TRANSPARENT);
TextColor color(hdc, RGB(200,40,40));
FillRect(hdc, &rect, hbrush);
DrawText(hdc, TEXT("Sorry - no web browser control could be loaded."), -1, &rect, DT_CENTER|DT_VCENTER|DT_SINGLELINE);
DeleteObject(hbrush);
}
return TRUE;
case PM_DISPATCH_COMMAND: {
if (!_control)
return FALSE;
HRESULT hr = E_FAIL;
switch(LOWORD(wparam)) {
case ID_GO_BACK:
hr = _control->GoBack();
break;
case ID_GO_FORWARD:
hr = _control->GoForward();
break;
case ID_GO_UP:
///@todo
break;
case ID_GO_HOME:
hr = _control->GoHome();
break;
case ID_GO_SEARCH:
hr = _control->GoSearch();
break;
case ID_REFRESH:
hr = _control->Refresh();
break;
case ID_STOP:
hr = _control->Stop();
break;
default:
return super::WndProc(nmsg, wparam, lparam);
}
if (FAILED(hr) && hr!=E_FAIL)
THROW_EXCEPTION(hr);
return TRUE;}
default:
return super::WndProc(nmsg, wparam, lparam);
}
} catch(COMException& e) {
HandleException(e, _hwnd);
}
return 0;
}
String WebChildWindow::jump_to_int(LPCTSTR url)
{
_navigator.goto_url(url);
return url;
}