1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/content/html/document/src/PluginDocument.cpp Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,299 @@
1.4 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.8 +
1.9 +#include "MediaDocument.h"
1.10 +#include "nsIPluginDocument.h"
1.11 +#include "nsGkAtoms.h"
1.12 +#include "nsIPresShell.h"
1.13 +#include "nsIObjectFrame.h"
1.14 +#include "nsNPAPIPluginInstance.h"
1.15 +#include "nsIDocumentInlines.h"
1.16 +#include "nsIDocShellTreeItem.h"
1.17 +#include "nsNodeInfoManager.h"
1.18 +#include "nsContentCreatorFunctions.h"
1.19 +#include "nsContentPolicyUtils.h"
1.20 +#include "nsIPropertyBag2.h"
1.21 +#include "mozilla/dom/Element.h"
1.22 +#include "nsObjectLoadingContent.h"
1.23 +#include "GeckoProfiler.h"
1.24 +
1.25 +namespace mozilla {
1.26 +namespace dom {
1.27 +
1.28 +class PluginDocument MOZ_FINAL : public MediaDocument
1.29 + , public nsIPluginDocument
1.30 +{
1.31 +public:
1.32 + PluginDocument();
1.33 + virtual ~PluginDocument();
1.34 +
1.35 + NS_DECL_ISUPPORTS_INHERITED
1.36 + NS_DECL_NSIPLUGINDOCUMENT
1.37 +
1.38 + virtual nsresult StartDocumentLoad(const char* aCommand,
1.39 + nsIChannel* aChannel,
1.40 + nsILoadGroup* aLoadGroup,
1.41 + nsISupports* aContainer,
1.42 + nsIStreamListener** aDocListener,
1.43 + bool aReset = true,
1.44 + nsIContentSink* aSink = nullptr);
1.45 +
1.46 + virtual void SetScriptGlobalObject(nsIScriptGlobalObject* aScriptGlobalObject);
1.47 + virtual bool CanSavePresentation(nsIRequest *aNewRequest);
1.48 +
1.49 + const nsCString& GetType() const { return mMimeType; }
1.50 + Element* GetPluginContent() { return mPluginContent; }
1.51 +
1.52 + void StartLayout() { MediaDocument::StartLayout(); }
1.53 +
1.54 + NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(PluginDocument, MediaDocument)
1.55 +protected:
1.56 + nsresult CreateSyntheticPluginDocument();
1.57 +
1.58 + nsCOMPtr<Element> mPluginContent;
1.59 + nsRefPtr<MediaDocumentStreamListener> mStreamListener;
1.60 + nsCString mMimeType;
1.61 +};
1.62 +
1.63 +class PluginStreamListener : public MediaDocumentStreamListener
1.64 +{
1.65 +public:
1.66 + PluginStreamListener(PluginDocument* doc)
1.67 + : MediaDocumentStreamListener(doc)
1.68 + , mPluginDoc(doc)
1.69 + {}
1.70 + NS_IMETHOD OnStartRequest(nsIRequest* request, nsISupports *ctxt);
1.71 +private:
1.72 + nsRefPtr<PluginDocument> mPluginDoc;
1.73 +};
1.74 +
1.75 +
1.76 +NS_IMETHODIMP
1.77 +PluginStreamListener::OnStartRequest(nsIRequest* request, nsISupports *ctxt)
1.78 +{
1.79 + PROFILER_LABEL("PluginStreamListener", "OnStartRequest");
1.80 +
1.81 + nsCOMPtr<nsIContent> embed = mPluginDoc->GetPluginContent();
1.82 + nsCOMPtr<nsIObjectLoadingContent> objlc = do_QueryInterface(embed);
1.83 + nsCOMPtr<nsIStreamListener> objListener = do_QueryInterface(objlc);
1.84 +
1.85 + if (!objListener) {
1.86 + NS_NOTREACHED("PluginStreamListener without appropriate content node");
1.87 + return NS_BINDING_ABORTED;
1.88 + }
1.89 +
1.90 + SetStreamListener(objListener);
1.91 +
1.92 + // Sets up the ObjectLoadingContent tag as if it is waiting for a
1.93 + // channel, so it can proceed with a load normally once it gets OnStartRequest
1.94 + nsresult rv = objlc->InitializeFromChannel(request);
1.95 + if (NS_FAILED(rv)) {
1.96 + NS_NOTREACHED("InitializeFromChannel failed");
1.97 + return rv;
1.98 + }
1.99 +
1.100 + // Note that because we're now hooked up to a plugin listener, this will
1.101 + // likely spawn a plugin, which may re-enter.
1.102 + return MediaDocumentStreamListener::OnStartRequest(request, ctxt);
1.103 +}
1.104 +
1.105 + // NOTE! nsDocument::operator new() zeroes out all members, so don't
1.106 + // bother initializing members to 0.
1.107 +
1.108 +PluginDocument::PluginDocument()
1.109 +{}
1.110 +
1.111 +PluginDocument::~PluginDocument()
1.112 +{}
1.113 +
1.114 +
1.115 +NS_IMPL_CYCLE_COLLECTION_INHERITED(PluginDocument, MediaDocument,
1.116 + mPluginContent)
1.117 +
1.118 +NS_IMPL_ADDREF_INHERITED(PluginDocument, MediaDocument)
1.119 +NS_IMPL_RELEASE_INHERITED(PluginDocument, MediaDocument)
1.120 +
1.121 +NS_INTERFACE_TABLE_HEAD_CYCLE_COLLECTION_INHERITED(PluginDocument)
1.122 + NS_INTERFACE_TABLE_INHERITED(PluginDocument, nsIPluginDocument)
1.123 +NS_INTERFACE_TABLE_TAIL_INHERITING(MediaDocument)
1.124 +
1.125 +void
1.126 +PluginDocument::SetScriptGlobalObject(nsIScriptGlobalObject* aScriptGlobalObject)
1.127 +{
1.128 + // Set the script global object on the superclass before doing
1.129 + // anything that might require it....
1.130 + MediaDocument::SetScriptGlobalObject(aScriptGlobalObject);
1.131 +
1.132 + if (aScriptGlobalObject) {
1.133 + if (!mPluginContent) {
1.134 + // Create synthetic document
1.135 +#ifdef DEBUG
1.136 + nsresult rv =
1.137 +#endif
1.138 + CreateSyntheticPluginDocument();
1.139 + NS_ASSERTION(NS_SUCCEEDED(rv), "failed to create synthetic document");
1.140 + }
1.141 + BecomeInteractive();
1.142 + } else {
1.143 + mStreamListener = nullptr;
1.144 + }
1.145 +}
1.146 +
1.147 +
1.148 +bool
1.149 +PluginDocument::CanSavePresentation(nsIRequest *aNewRequest)
1.150 +{
1.151 + // Full-page plugins cannot be cached, currently, because we don't have
1.152 + // the stream listener data to feed to the plugin instance.
1.153 + return false;
1.154 +}
1.155 +
1.156 +
1.157 +nsresult
1.158 +PluginDocument::StartDocumentLoad(const char* aCommand,
1.159 + nsIChannel* aChannel,
1.160 + nsILoadGroup* aLoadGroup,
1.161 + nsISupports* aContainer,
1.162 + nsIStreamListener** aDocListener,
1.163 + bool aReset,
1.164 + nsIContentSink* aSink)
1.165 +{
1.166 + // do not allow message panes to host full-page plugins
1.167 + // returning an error causes helper apps to take over
1.168 + nsCOMPtr<nsIDocShellTreeItem> dsti (do_QueryInterface(aContainer));
1.169 + if (dsti) {
1.170 + bool isMsgPane = false;
1.171 + dsti->NameEquals(MOZ_UTF16("messagepane"), &isMsgPane);
1.172 + if (isMsgPane) {
1.173 + return NS_ERROR_FAILURE;
1.174 + }
1.175 + }
1.176 +
1.177 + nsresult rv =
1.178 + MediaDocument::StartDocumentLoad(aCommand, aChannel, aLoadGroup, aContainer,
1.179 + aDocListener, aReset, aSink);
1.180 + if (NS_FAILED(rv)) {
1.181 + return rv;
1.182 + }
1.183 +
1.184 + rv = aChannel->GetContentType(mMimeType);
1.185 + if (NS_FAILED(rv)) {
1.186 + return rv;
1.187 + }
1.188 +
1.189 + MediaDocument::UpdateTitleAndCharset(mMimeType);
1.190 +
1.191 + mStreamListener = new PluginStreamListener(this);
1.192 + NS_ASSERTION(aDocListener, "null aDocListener");
1.193 + NS_ADDREF(*aDocListener = mStreamListener);
1.194 +
1.195 + return rv;
1.196 +}
1.197 +
1.198 +nsresult
1.199 +PluginDocument::CreateSyntheticPluginDocument()
1.200 +{
1.201 + NS_ASSERTION(!GetShell() || !GetShell()->DidInitialize(),
1.202 + "Creating synthetic plugin document content too late");
1.203 +
1.204 + // make our generic document
1.205 + nsresult rv = MediaDocument::CreateSyntheticDocument();
1.206 + NS_ENSURE_SUCCESS(rv, rv);
1.207 + // then attach our plugin
1.208 +
1.209 + Element* body = GetBodyElement();
1.210 + if (!body) {
1.211 + NS_WARNING("no body on plugin document!");
1.212 + return NS_ERROR_FAILURE;
1.213 + }
1.214 +
1.215 + // remove margins from body
1.216 + NS_NAMED_LITERAL_STRING(zero, "0");
1.217 + body->SetAttr(kNameSpaceID_None, nsGkAtoms::marginwidth, zero, false);
1.218 + body->SetAttr(kNameSpaceID_None, nsGkAtoms::marginheight, zero, false);
1.219 +
1.220 +
1.221 + // make plugin content
1.222 + nsCOMPtr<nsINodeInfo> nodeInfo;
1.223 + nodeInfo = mNodeInfoManager->GetNodeInfo(nsGkAtoms::embed, nullptr,
1.224 + kNameSpaceID_XHTML,
1.225 + nsIDOMNode::ELEMENT_NODE);
1.226 + rv = NS_NewHTMLElement(getter_AddRefs(mPluginContent), nodeInfo.forget(),
1.227 + NOT_FROM_PARSER);
1.228 + NS_ENSURE_SUCCESS(rv, rv);
1.229 +
1.230 + // make it a named element
1.231 + mPluginContent->SetAttr(kNameSpaceID_None, nsGkAtoms::name,
1.232 + NS_LITERAL_STRING("plugin"), false);
1.233 +
1.234 + // fill viewport and auto-resize
1.235 + NS_NAMED_LITERAL_STRING(percent100, "100%");
1.236 + mPluginContent->SetAttr(kNameSpaceID_None, nsGkAtoms::width, percent100,
1.237 + false);
1.238 + mPluginContent->SetAttr(kNameSpaceID_None, nsGkAtoms::height, percent100,
1.239 + false);
1.240 +
1.241 + // set URL
1.242 + nsAutoCString src;
1.243 + mDocumentURI->GetSpec(src);
1.244 + mPluginContent->SetAttr(kNameSpaceID_None, nsGkAtoms::src,
1.245 + NS_ConvertUTF8toUTF16(src), false);
1.246 +
1.247 + // set mime type
1.248 + mPluginContent->SetAttr(kNameSpaceID_None, nsGkAtoms::type,
1.249 + NS_ConvertUTF8toUTF16(mMimeType), false);
1.250 +
1.251 + // nsHTML(Shared)ObjectElement does not kick off a load on BindToTree if it is
1.252 + // to a PluginDocument
1.253 + body->AppendChildTo(mPluginContent, false);
1.254 +
1.255 + return NS_OK;
1.256 +
1.257 +
1.258 +}
1.259 +
1.260 +NS_IMETHODIMP
1.261 +PluginDocument::Print()
1.262 +{
1.263 + NS_ENSURE_TRUE(mPluginContent, NS_ERROR_FAILURE);
1.264 +
1.265 + nsIObjectFrame* objectFrame =
1.266 + do_QueryFrame(mPluginContent->GetPrimaryFrame());
1.267 + if (objectFrame) {
1.268 + nsRefPtr<nsNPAPIPluginInstance> pi;
1.269 + objectFrame->GetPluginInstance(getter_AddRefs(pi));
1.270 + if (pi) {
1.271 + NPPrint npprint;
1.272 + npprint.mode = NP_FULL;
1.273 + npprint.print.fullPrint.pluginPrinted = false;
1.274 + npprint.print.fullPrint.printOne = false;
1.275 + npprint.print.fullPrint.platformPrint = nullptr;
1.276 +
1.277 + pi->Print(&npprint);
1.278 + }
1.279 + }
1.280 +
1.281 + return NS_OK;
1.282 +}
1.283 +
1.284 +} // namespace dom
1.285 +} // namespace mozilla
1.286 +
1.287 +nsresult
1.288 +NS_NewPluginDocument(nsIDocument** aResult)
1.289 +{
1.290 + mozilla::dom::PluginDocument* doc = new mozilla::dom::PluginDocument();
1.291 +
1.292 + NS_ADDREF(doc);
1.293 + nsresult rv = doc->Init();
1.294 +
1.295 + if (NS_FAILED(rv)) {
1.296 + NS_RELEASE(doc);
1.297 + }
1.298 +
1.299 + *aResult = doc;
1.300 +
1.301 + return rv;
1.302 +}
