RetroZilla/embedding/wrappers/DotNETEmbed/DotNETEmbed.cpp
2015-10-20 23:03:22 -04:00

422 lines
10 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 2003
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Roy Yokoyama <yokoyama@netscape.com> (original author)
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include <vcclr.h>
#include "nsCOMPtr.h"
#include "nsIWebBrowser.h"
#include "nsIWebBrowserChrome.h"
#include "nsIEmbeddingSiteWindow.h"
#include "nsIBaseWindow.h"
#include "nsIWebNavigation.h"
#include "nsIWindowWatcher.h"
#include "nsIInputStream.h"
#include "nsEmbedAPI.h"
#include "DotNETEmbed.h"
#include "umWebChrome.h"
using namespace Mozilla::Embedding;
// Silly class for holding on to a static UTF8Encoding so that we
// don't need to create a new one in every call to CopyString()...
public __gc class UTF8EncodingHolder
{
public:
static Text::UTF8Encoding *sUTF8Encoding = new Text::UTF8Encoding();
};
String *
Mozilla::Embedding::CopyString(const nsAFlatCString& aStr)
{
return new String(aStr.get(), 0, aStr.Length(),
UTF8EncodingHolder::sUTF8Encoding);
}
// In stead of copying String's to nsAString's we could write a class
// that wraps a String object and exposes it's underlying
// buffer. Doable, if we pin the String object, and so on, but this'll
// do for now.
nsAFlatString&
Mozilla::Embedding::CopyString(String *aSrc, nsAFlatString& aDest)
{
const wchar_t __pin * strbuf = PtrToStringChars(aSrc);
aDest.Assign(strbuf, aSrc->Length);
return aDest;
}
nsAFlatCString&
Mozilla::Embedding::CopyString(String *aSrc, nsAFlatCString& aDest)
{
const wchar_t __pin * strbuf = PtrToStringChars(aSrc);
CopyUTF16toUTF8(nsDependentString(strbuf, aSrc->Length), aDest);
return aDest;
}
void
Mozilla::Embedding::ThrowIfFailed(nsresult rv)
{
if (NS_FAILED(rv)) {
// XXX: Throw some useful exception here!
throw "rv is an error code!";
}
}
#pragma unmanaged
#define NS_WEBBROWSER_CONTRACTID "@mozilla.org/embedding/browser/nsWebBrowser;1"
//*****************************************************************************
// WebBrowserChrome::nsISupports
//*****************************************************************************
NS_IMPL_ADDREF(WebBrowserChrome)
NS_IMPL_RELEASE(WebBrowserChrome)
NS_INTERFACE_MAP_BEGIN(WebBrowserChrome)
NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsIWebBrowserChrome)
NS_INTERFACE_MAP_ENTRY(nsIWebBrowserChrome)
NS_INTERFACE_MAP_ENTRY(nsIEmbeddingSiteWindow)
NS_INTERFACE_MAP_END
WebBrowserChrome::WebBrowserChrome()
{
mNativeWindow = nsnull;
}
WebBrowserChrome::~WebBrowserChrome()
{
}
/* attribute nativeSiteWindow siteWindow */
NS_IMETHODIMP
WebBrowserChrome::GetSiteWindow(void * *aSiteWindow)
{
*aSiteWindow = mNativeWindow;
return NS_OK;
}
NS_IMETHODIMP
WebBrowserChrome::GetTitle(PRUnichar * *aTitle)
{
NS_ENSURE_ARG_POINTER(aTitle);
*aTitle = nsnull;
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP
WebBrowserChrome::SetTitle(const PRUnichar * aTitle)
{
return NS_ERROR_NOT_IMPLEMENTED;
}
/* attribute boolean visibility; */
NS_IMETHODIMP
WebBrowserChrome::GetVisibility(PRBool * aVisibility)
{
NS_ENSURE_ARG_POINTER(aVisibility);
*aVisibility = PR_TRUE;
return NS_OK;
}
NS_IMETHODIMP
WebBrowserChrome::SetVisibility(PRBool aVisibility)
{
return NS_OK;
}
/* void setFocus (); */
NS_IMETHODIMP
WebBrowserChrome::SetFocus()
{
return NS_OK;
}
NS_IMETHODIMP
WebBrowserChrome::SetDimensions(PRUint32 aFlags, PRInt32 x, PRInt32 y,
PRInt32 cx, PRInt32 cy)
{
return NS_OK;
}
NS_IMETHODIMP
WebBrowserChrome::GetDimensions(PRUint32 aFlags, PRInt32 *x, PRInt32 *y,
PRInt32 *cx, PRInt32 *cy)
{
if (aFlags & nsIEmbeddingSiteWindow::DIM_FLAGS_POSITION)
{
*x = 0;
*y = 0;
}
if (aFlags & nsIEmbeddingSiteWindow::DIM_FLAGS_SIZE_INNER ||
aFlags & nsIEmbeddingSiteWindow::DIM_FLAGS_SIZE_OUTER)
{
*cx = 0;
*cy = 0;
}
return NS_OK;
}
NS_IMETHODIMP
WebBrowserChrome::ExitModalEventLoop(nsresult aStatus)
{
return NS_OK;
}
NS_IMETHODIMP
WebBrowserChrome::ShowAsModal(void)
{
return NS_OK;
}
NS_IMETHODIMP
WebBrowserChrome::IsWindowModal(PRBool *_retval)
{
*_retval = PR_FALSE;
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP
WebBrowserChrome::SetStatus(PRUint32 aType, const PRUnichar* aStatus)
{
return NS_OK;
}
NS_IMETHODIMP
WebBrowserChrome::GetWebBrowser(nsIWebBrowser** aWebBrowser)
{
NS_ENSURE_ARG_POINTER(aWebBrowser);
*aWebBrowser = mWebBrowser;
NS_IF_ADDREF(*aWebBrowser);
return NS_OK;
}
NS_IMETHODIMP
WebBrowserChrome::SetWebBrowser(nsIWebBrowser* aWebBrowser)
{
mWebBrowser = aWebBrowser;
return NS_OK;
}
NS_IMETHODIMP
WebBrowserChrome::GetChromeFlags(PRUint32* aChromeMask)
{
*aChromeMask = mChromeFlags;
return NS_OK;
}
NS_IMETHODIMP
WebBrowserChrome::SetChromeFlags(PRUint32 aChromeMask)
{
mChromeFlags = aChromeMask;
return NS_OK;
}
NS_IMETHODIMP
WebBrowserChrome::DestroyBrowserWindow(void)
{
return NS_OK;
}
NS_IMETHODIMP
WebBrowserChrome::SizeBrowserTo(PRInt32 aWidth, PRInt32 aHeight)
{
::MoveWindow((HWND)mNativeWindow, 0, 0, aWidth, aHeight, TRUE);
return NS_OK;
}
nsresult
WebBrowserChrome::CreateBrowser(HWND hWnd, PRInt32 aX, PRInt32 aY, PRInt32 aCX,
PRInt32 aCY, nsIWebBrowser **aBrowser)
{
NS_ENSURE_ARG_POINTER(aBrowser);
*aBrowser = nsnull;
mWebBrowser = do_CreateInstance(NS_WEBBROWSER_CONTRACTID);
if (!mWebBrowser)
return NS_ERROR_FAILURE;
mWebBrowser->SetContainerWindow(NS_STATIC_CAST(nsIWebBrowserChrome*, this));
nsCOMPtr<nsIDocShellTreeItem> dsti = do_QueryInterface(mWebBrowser);
dsti->SetItemType(nsIDocShellTreeItem::typeContentWrapper);
nsCOMPtr<nsIBaseWindow> browserBaseWindow = do_QueryInterface(mWebBrowser);
mNativeWindow = hWnd;
if (!mNativeWindow)
return NS_ERROR_FAILURE;
browserBaseWindow->InitWindow(mNativeWindow, nsnull, aX, aY, aCX, aCY);
browserBaseWindow->Create();
if (mWebBrowser)
{
*aBrowser = mWebBrowser;
NS_ADDREF(*aBrowser);
return NS_OK;
}
return NS_ERROR_FAILURE;
}
#pragma managed
Gecko::Gecko()
: mChrome(nsnull)
{
}
void
Gecko::TermEmbedding()
{
if (!sIsInitialized) {
return;
}
sIsInitialized = false;
nsresult rv = NS_TermEmbedding();
ThrowIfFailed(rv);
}
void
Gecko::OpenURL(String *aUrl)
{
if (!sIsInitialized) {
nsresult rv = NS_InitEmbedding(nsnull, nsnull);
ThrowIfFailed(rv);
sIsInitialized = true;
}
const wchar_t __pin * url = PtrToStringChars(aUrl);
nsresult rv;
HWND hWnd = (HWND)Handle.ToPointer();
if (!mChrome) {
CreateBrowserWindow(nsIWebBrowserChrome::CHROME_ALL, nsnull);
}
// Start loading a page
nsCOMPtr<nsIWebBrowser> newBrowser;
mChrome->GetWebBrowser(getter_AddRefs(newBrowser));
nsCOMPtr<nsIWebNavigation> webNav(do_QueryInterface(newBrowser));
rv = webNav->LoadURI(url, nsIWebNavigation::LOAD_FLAGS_NONE, nsnull, nsnull,
nsnull);
ThrowIfFailed(rv);
}
void
Gecko::OnResize(EventArgs *e)
{
if (mChrome) {
nsCOMPtr<nsIEmbeddingSiteWindow> embeddingSite =
do_QueryInterface(mChrome);
RECT rect;
GetClientRect((HWND)Handle.ToPointer(), &rect);
// Make sure the browser is visible and sized
nsCOMPtr<nsIWebBrowser> webBrowser;
mChrome->GetWebBrowser(getter_AddRefs(webBrowser));
nsCOMPtr<nsIBaseWindow> webBrowserAsWin = do_QueryInterface(webBrowser);
if (webBrowserAsWin) {
webBrowserAsWin->SetPositionAndSize(rect.left,
rect.top,
rect.right - rect.left,
rect.bottom - rect.top,
PR_TRUE);
webBrowserAsWin->SetVisibility(PR_TRUE);
}
}
UserControl::OnResize(e);
}
void
Gecko::CreateBrowserWindow(PRUint32 aChromeFlags, nsIWebBrowserChrome *aParent)
{
WebBrowserChrome * chrome = new WebBrowserChrome();
if (!chrome) {
throw new OutOfMemoryException();
}
mChrome = chrome;
NS_ADDREF(mChrome);
// XXX: Is this really needed?
// now an extra addref; the window owns itself (to be released by
// WebBrowserChromeUI::Destroy)
NS_ADDREF(mChrome);
chrome->SetChromeFlags(aChromeFlags);
HWND hWnd = (HWND)Handle.ToPointer();
// Insert the browser
nsCOMPtr<nsIWebBrowser> newBrowser;
chrome->CreateBrowser(hWnd, -1, -1, -1, -1, getter_AddRefs(newBrowser));
if (!newBrowser) {
ThrowIfFailed(NS_ERROR_FAILURE);
}
// Place it where we want it.
OnResize(0);
// if opened as chrome, it'll be made visible after the chrome has loaded.
// otherwise, go ahead and show it now.
if (!(aChromeFlags & nsIWebBrowserChrome::CHROME_OPENAS_CHROME))
::ShowWindow(hWnd, SW_RESTORE);
}