mirror of
https://github.com/rn10950/RetroZilla.git
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299 lines
9.0 KiB
C++
299 lines
9.0 KiB
C++
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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Mozilla Communicator client code.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either of the GNU General Public License Version 2 or later (the "GPL"),
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* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#include "nsMediaDocument.h"
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#include "nsIPluginDocument.h"
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#include "nsHTMLAtoms.h"
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#include "nsIPresShell.h"
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#include "nsIObjectFrame.h"
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#include "nsIPluginInstance.h"
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#include "nsIDocShellTreeItem.h"
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#include "nsNodeInfoManager.h"
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class nsPluginDocument : public nsMediaDocument,
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public nsIPluginDocument
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{
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public:
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nsPluginDocument();
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virtual ~nsPluginDocument();
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NS_DECL_ISUPPORTS
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NS_DECL_NSIPLUGINDOCUMENT
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virtual nsresult StartDocumentLoad(const char* aCommand,
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nsIChannel* aChannel,
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nsILoadGroup* aLoadGroup,
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nsISupports* aContainer,
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nsIStreamListener** aDocListener,
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PRBool aReset = PR_TRUE,
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nsIContentSink* aSink = nsnull);
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virtual void SetScriptGlobalObject(nsIScriptGlobalObject* aScriptGlobalObject);
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virtual PRBool CanSavePresentation(nsIRequest *aNewRequest);
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protected:
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nsresult CreateSyntheticPluginDocument();
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nsCOMPtr<nsIContent> mPluginContent;
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nsRefPtr<nsMediaDocumentStreamListener> mStreamListener;
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nsCString mMimeType;
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};
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// NOTE! nsDocument::operator new() zeroes out all members, so don't
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// bother initializing members to 0.
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nsPluginDocument::nsPluginDocument()
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{
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}
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nsPluginDocument::~nsPluginDocument()
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{
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}
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NS_IMPL_ADDREF_INHERITED(nsPluginDocument, nsMediaDocument)
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NS_IMPL_RELEASE_INHERITED(nsPluginDocument, nsMediaDocument)
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NS_INTERFACE_MAP_BEGIN(nsPluginDocument)
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NS_INTERFACE_MAP_ENTRY(nsIPluginDocument)
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NS_INTERFACE_MAP_END_INHERITING(nsMediaDocument)
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void
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nsPluginDocument::SetScriptGlobalObject(nsIScriptGlobalObject* aScriptGlobalObject)
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{
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// Set the script global object on the superclass before doing
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// anything that might require it....
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nsMediaDocument::SetScriptGlobalObject(aScriptGlobalObject);
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if (aScriptGlobalObject) {
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if (!mPluginContent) {
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// Create synthetic document
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#ifdef DEBUG
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nsresult rv =
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#endif
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CreateSyntheticPluginDocument();
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NS_ASSERTION(NS_SUCCEEDED(rv), "failed to create synthetic document");
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}
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} else {
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mStreamListener = nsnull;
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}
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}
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PRBool
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nsPluginDocument::CanSavePresentation(nsIRequest *aNewRequest)
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{
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// Full-page plugins cannot be cached, currently, because we don't have
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// the stream listener data to feed to the plugin instance.
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return PR_FALSE;
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}
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nsresult
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nsPluginDocument::StartDocumentLoad(const char* aCommand,
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nsIChannel* aChannel,
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nsILoadGroup* aLoadGroup,
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nsISupports* aContainer,
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nsIStreamListener** aDocListener,
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PRBool aReset,
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nsIContentSink* aSink)
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{
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// do not allow message panes to host full-page plugins
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// returning an error causes helper apps to take over
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nsCOMPtr<nsIDocShellTreeItem> dsti (do_QueryInterface(aContainer));
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if (dsti) {
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PRBool isMsgPane = PR_FALSE;
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dsti->NameEquals(NS_LITERAL_STRING("messagepane").get(), &isMsgPane);
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if (isMsgPane)
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return NS_ERROR_FAILURE;
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}
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nsresult rv =
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nsMediaDocument::StartDocumentLoad(aCommand, aChannel, aLoadGroup,
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aContainer, aDocListener, aReset,
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aSink);
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if (NS_FAILED(rv)) {
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return rv;
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}
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rv = aChannel->GetContentType(mMimeType);
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if (NS_FAILED(rv)) {
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return rv;
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}
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mStreamListener = new nsMediaDocumentStreamListener(this);
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if (!mStreamListener)
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return NS_ERROR_OUT_OF_MEMORY;
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NS_ASSERTION(aDocListener, "null aDocListener");
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NS_ADDREF(*aDocListener = mStreamListener);
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return rv;
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}
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nsresult
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nsPluginDocument::CreateSyntheticPluginDocument()
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{
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#ifdef DEBUG
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PRBool didInitialReflow = PR_FALSE;
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nsIPresShell *shell = GetShellAt(0);
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if (shell)
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shell->GetDidInitialReflow(&didInitialReflow);
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NS_ASSERTION(!didInitialReflow, "Creating synthetic plugin document content too late");
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#endif
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// make our generic document
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nsresult rv = nsMediaDocument::CreateSyntheticDocument();
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NS_ENSURE_SUCCESS(rv, rv);
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// then attach our plugin
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nsCOMPtr<nsIContent> body = do_QueryInterface(mBodyContent);
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if (!body) {
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NS_WARNING("no body on plugin document!");
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return NS_ERROR_FAILURE;
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}
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// remove margins from body
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NS_NAMED_LITERAL_STRING(zero, "0");
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body->SetAttr(kNameSpaceID_None, nsHTMLAtoms::marginwidth, zero, PR_FALSE);
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body->SetAttr(kNameSpaceID_None, nsHTMLAtoms::marginheight, zero, PR_FALSE);
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// make plugin content
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nsCOMPtr<nsINodeInfo> nodeInfo;
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rv = mNodeInfoManager->GetNodeInfo(nsHTMLAtoms::embed, nsnull,
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kNameSpaceID_None,
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getter_AddRefs(nodeInfo));
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NS_ENSURE_SUCCESS(rv, rv);
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mPluginContent = NS_NewHTMLSharedElement(nodeInfo);
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if (!mPluginContent) {
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return NS_ERROR_OUT_OF_MEMORY;
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}
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// make it a named element
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mPluginContent->SetAttr(kNameSpaceID_None, nsHTMLAtoms::name,
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NS_LITERAL_STRING("plugin"), PR_FALSE);
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// fill viewport and auto-resize
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NS_NAMED_LITERAL_STRING(percent100, "100%");
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mPluginContent->SetAttr(kNameSpaceID_None, nsHTMLAtoms::width, percent100,
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PR_FALSE);
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mPluginContent->SetAttr(kNameSpaceID_None, nsHTMLAtoms::height, percent100,
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PR_FALSE);
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// set URL
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nsCAutoString src;
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mDocumentURI->GetSpec(src);
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mPluginContent->SetAttr(kNameSpaceID_None, nsHTMLAtoms::src,
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NS_ConvertUTF8toUTF16(src), PR_FALSE);
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// set mime type
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mPluginContent->SetAttr(kNameSpaceID_None, nsHTMLAtoms::type,
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NS_ConvertUTF8toUTF16(mMimeType), PR_FALSE);
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body->AppendChildTo(mPluginContent, PR_FALSE);
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return NS_OK;
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}
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NS_IMETHODIMP
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nsPluginDocument::SetStreamListener(nsIStreamListener *aListener)
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{
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if (mStreamListener)
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mStreamListener->SetStreamListener(aListener);
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nsMediaDocument::UpdateTitleAndCharset(mMimeType);
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return NS_OK;
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}
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NS_IMETHODIMP
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nsPluginDocument::Print()
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{
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NS_ENSURE_TRUE(mPluginContent, NS_ERROR_FAILURE);
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nsIPresShell *shell = GetShellAt(0);
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if (!shell) {
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return NS_OK;
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}
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nsIFrame* frame = nsnull;
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shell->GetPrimaryFrameFor(mPluginContent, &frame);
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nsIObjectFrame* objectFrame = nsnull;
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CallQueryInterface(frame, &objectFrame);
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if (objectFrame) {
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nsCOMPtr<nsIPluginInstance> pi;
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objectFrame->GetPluginInstance(*getter_AddRefs(pi));
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if (pi) {
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nsPluginPrint npprint;
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npprint.mode = nsPluginMode_Full;
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npprint.print.fullPrint.pluginPrinted = PR_FALSE;
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npprint.print.fullPrint.printOne = PR_FALSE;
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npprint.print.fullPrint.platformPrint = nsnull;
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pi->Print(&npprint);
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}
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}
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return NS_OK;
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}
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nsresult
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NS_NewPluginDocument(nsIDocument** aResult)
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{
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nsPluginDocument* doc = new nsPluginDocument();
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if (!doc) {
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return NS_ERROR_OUT_OF_MEMORY;
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}
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NS_ADDREF(doc);
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nsresult rv = doc->Init();
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if (NS_FAILED(rv)) {
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NS_RELEASE(doc);
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}
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*aResult = doc;
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return rv;
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}
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