зеркало из https://github.com/mozilla/gecko-dev.git
569 строки
16 KiB
C++
569 строки
16 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "GMPService.h"
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#include "GMPServiceParent.h"
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#include "GMPServiceChild.h"
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#include "GMPContentParent.h"
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#include "prio.h"
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#include "mozilla/Logging.h"
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#include "GMPParent.h"
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#include "GMPVideoDecoderParent.h"
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#include "nsIObserverService.h"
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#include "GeckoChildProcessHost.h"
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#include "mozilla/Preferences.h"
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#include "mozilla/ClearOnShutdown.h"
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#include "mozilla/SyncRunnable.h"
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#include "nsXPCOMPrivate.h"
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#include "mozilla/Services.h"
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#include "nsNativeCharsetUtils.h"
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#include "nsIConsoleService.h"
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#include "mozilla/unused.h"
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#include "GMPDecryptorParent.h"
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#include "GMPAudioDecoderParent.h"
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#include "nsComponentManagerUtils.h"
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#include "mozilla/Preferences.h"
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#include "runnable_utils.h"
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#include "VideoUtils.h"
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#if defined(XP_LINUX) && defined(MOZ_GMP_SANDBOX)
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#include "mozilla/SandboxInfo.h"
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#endif
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#include "nsAppDirectoryServiceDefs.h"
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#include "nsDirectoryServiceUtils.h"
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#include "nsDirectoryServiceDefs.h"
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#include "nsHashKeys.h"
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#include "nsIFile.h"
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#include "nsISimpleEnumerator.h"
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#include "mozilla/dom/PluginCrashedEvent.h"
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#include "mozilla/EventDispatcher.h"
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namespace mozilla {
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#ifdef LOG
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#undef LOG
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#endif
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PRLogModuleInfo*
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GetGMPLog()
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{
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static PRLogModuleInfo *sLog;
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if (!sLog)
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sLog = PR_NewLogModule("GMP");
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return sLog;
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}
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#define LOGD(msg) MOZ_LOG(GetGMPLog(), mozilla::LogLevel::Debug, msg)
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#define LOG(level, msg) MOZ_LOG(GetGMPLog(), (level), msg)
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#ifdef __CLASS__
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#undef __CLASS__
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#endif
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#define __CLASS__ "GMPService"
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namespace gmp {
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static StaticRefPtr<GeckoMediaPluginService> sSingletonService;
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class GMPServiceCreateHelper final : public nsRunnable
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{
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nsRefPtr<GeckoMediaPluginService> mService;
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public:
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static already_AddRefed<GeckoMediaPluginService>
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GetOrCreate()
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{
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nsRefPtr<GeckoMediaPluginService> service;
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if (NS_IsMainThread()) {
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service = GetOrCreateOnMainThread();
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} else {
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nsCOMPtr<nsIThread> mainThread = do_GetMainThread();
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MOZ_ASSERT(mainThread);
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nsRefPtr<GMPServiceCreateHelper> createHelper = new GMPServiceCreateHelper();
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mozilla::SyncRunnable::DispatchToThread(mainThread, createHelper, true);
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service = createHelper->mService.forget();
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}
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return service.forget();
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}
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private:
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GMPServiceCreateHelper()
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{
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}
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~GMPServiceCreateHelper()
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{
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MOZ_ASSERT(!mService);
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}
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static already_AddRefed<GeckoMediaPluginService>
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GetOrCreateOnMainThread()
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{
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MOZ_ASSERT(NS_IsMainThread());
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if (!sSingletonService) {
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if (XRE_GetProcessType() == GeckoProcessType_Default) {
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nsRefPtr<GeckoMediaPluginServiceParent> service =
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new GeckoMediaPluginServiceParent();
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service->Init();
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sSingletonService = service;
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} else {
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nsRefPtr<GeckoMediaPluginServiceChild> service =
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new GeckoMediaPluginServiceChild();
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service->Init();
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sSingletonService = service;
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}
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ClearOnShutdown(&sSingletonService);
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}
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nsRefPtr<GeckoMediaPluginService> service = sSingletonService.get();
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return service.forget();
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}
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NS_IMETHOD
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Run()
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{
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MOZ_ASSERT(NS_IsMainThread());
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mService = GetOrCreateOnMainThread();
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return NS_OK;
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}
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};
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already_AddRefed<GeckoMediaPluginService>
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GeckoMediaPluginService::GetGeckoMediaPluginService()
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{
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return GMPServiceCreateHelper::GetOrCreate();
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}
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NS_IMPL_ISUPPORTS(GeckoMediaPluginService, mozIGeckoMediaPluginService, nsIObserver)
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GeckoMediaPluginService::GeckoMediaPluginService()
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: mMutex("GeckoMediaPluginService::mMutex")
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, mGMPThreadShutdown(false)
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, mShuttingDownOnGMPThread(false)
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{
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MOZ_ASSERT(NS_IsMainThread());
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}
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GeckoMediaPluginService::~GeckoMediaPluginService()
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{
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}
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void
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GeckoMediaPluginService::RemoveObsoletePluginCrashCallbacks()
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{
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MOZ_ASSERT(NS_IsMainThread());
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for (size_t i = mPluginCrashCallbacks.Length(); i != 0; --i) {
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nsRefPtr<GMPCrashCallback>& callback = mPluginCrashCallbacks[i - 1];
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if (!callback->IsStillValid()) {
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LOGD(("%s::%s - Removing obsolete callback for pluginId %i",
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__CLASS__, __FUNCTION__, callback->GetPluginId()));
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mPluginCrashCallbacks.RemoveElementAt(i - 1);
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}
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}
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}
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GeckoMediaPluginService::GMPCrashCallback::GMPCrashCallback(const uint32_t aPluginId,
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nsPIDOMWindow* aParentWindow,
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nsIDocument* aDocument)
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: mPluginId(aPluginId)
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, mParentWindowWeakPtr(do_GetWeakReference(aParentWindow))
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, mDocumentWeakPtr(do_GetWeakReference(aDocument))
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{
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MOZ_ASSERT(NS_IsMainThread());
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}
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void
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GeckoMediaPluginService::GMPCrashCallback::Run(const nsACString& aPluginName)
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{
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dom::PluginCrashedEventInit init;
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init.mPluginID = mPluginId;
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init.mBubbles = true;
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init.mCancelable = true;
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init.mGmpPlugin = true;
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CopyUTF8toUTF16(aPluginName, init.mPluginName);
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init.mSubmittedCrashReport = false;
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// The following PluginCrashedEvent fields stay empty:
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// init.mBrowserDumpID
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// init.mPluginFilename
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// TODO: Can/should we fill them?
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nsCOMPtr<nsPIDOMWindow> parentWindow;
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nsCOMPtr<nsIDocument> document;
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if (!GetParentWindowAndDocumentIfValid(parentWindow, document)) {
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return;
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}
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nsRefPtr<dom::PluginCrashedEvent> event =
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dom::PluginCrashedEvent::Constructor(document, NS_LITERAL_STRING("PluginCrashed"), init);
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event->SetTrusted(true);
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event->GetInternalNSEvent()->mFlags.mOnlyChromeDispatch = true;
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EventDispatcher::DispatchDOMEvent(parentWindow, nullptr, event, nullptr, nullptr);
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}
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bool
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GeckoMediaPluginService::GMPCrashCallback::IsStillValid()
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{
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nsCOMPtr<nsPIDOMWindow> parentWindow;
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nsCOMPtr<nsIDocument> document;
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return GetParentWindowAndDocumentIfValid(parentWindow, document);
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}
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bool
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GeckoMediaPluginService::GMPCrashCallback::GetParentWindowAndDocumentIfValid(
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nsCOMPtr<nsPIDOMWindow>& parentWindow,
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nsCOMPtr<nsIDocument>& document)
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{
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parentWindow = do_QueryReferent(mParentWindowWeakPtr);
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if (!parentWindow) {
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return false;
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}
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document = do_QueryReferent(mDocumentWeakPtr);
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if (!document) {
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return false;
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}
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nsCOMPtr<nsIDocument> parentWindowDocument = parentWindow->GetExtantDoc();
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if (!parentWindowDocument || document.get() != parentWindowDocument.get()) {
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return false;
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}
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return true;
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}
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void
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GeckoMediaPluginService::AddPluginCrashedEventTarget(const uint32_t aPluginId,
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nsPIDOMWindow* aParentWindow)
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{
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LOGD(("%s::%s(%i)", __CLASS__, __FUNCTION__, aPluginId));
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if (NS_WARN_IF(!aParentWindow)) {
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return;
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}
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nsCOMPtr<nsIDocument> doc = aParentWindow->GetExtantDoc();
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if (NS_WARN_IF(!doc)) {
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return;
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}
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nsRefPtr<GMPCrashCallback> callback(new GMPCrashCallback(aPluginId, aParentWindow, doc));
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RemoveObsoletePluginCrashCallbacks();
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// If the plugin with that ID has already crashed without being handled,
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// just run the handler now.
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for (size_t i = mPluginCrashes.Length(); i != 0; --i) {
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size_t index = i - 1;
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const PluginCrash& crash = mPluginCrashes[index];
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if (crash.mPluginId == aPluginId) {
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LOGD(("%s::%s(%i) - added crash handler for crashed plugin, running handler #%u",
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__CLASS__, __FUNCTION__, aPluginId, index));
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callback->Run(crash.mPluginName);
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mPluginCrashes.RemoveElementAt(index);
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}
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}
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// Remember crash, so if a handler is added for it later, we report the
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// crash to that window too.
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mPluginCrashCallbacks.AppendElement(callback);
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}
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void
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GeckoMediaPluginService::RunPluginCrashCallbacks(const uint32_t aPluginId,
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const nsACString& aPluginName)
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{
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MOZ_ASSERT(NS_IsMainThread());
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LOGD(("%s::%s(%i)", __CLASS__, __FUNCTION__, aPluginId));
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RemoveObsoletePluginCrashCallbacks();
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for (size_t i = mPluginCrashCallbacks.Length(); i != 0; --i) {
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nsRefPtr<GMPCrashCallback>& callback = mPluginCrashCallbacks[i - 1];
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if (callback->GetPluginId() == aPluginId) {
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LOGD(("%s::%s(%i) - Running #%u",
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__CLASS__, __FUNCTION__, aPluginId, i - 1));
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callback->Run(aPluginName);
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mPluginCrashCallbacks.RemoveElementAt(i - 1);
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}
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}
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mPluginCrashes.AppendElement(PluginCrash(aPluginId, aPluginName));
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if (mPluginCrashes.Length() > MAX_PLUGIN_CRASHES) {
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mPluginCrashes.RemoveElementAt(0);
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}
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}
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nsresult
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GeckoMediaPluginService::Init()
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{
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MOZ_ASSERT(NS_IsMainThread());
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nsCOMPtr<nsIObserverService> obsService = mozilla::services::GetObserverService();
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MOZ_ASSERT(obsService);
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MOZ_ALWAYS_TRUE(NS_SUCCEEDED(obsService->AddObserver(this, NS_XPCOM_SHUTDOWN_THREADS_OBSERVER_ID, false)));
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// Kick off scanning for plugins
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nsCOMPtr<nsIThread> thread;
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return GetThread(getter_AddRefs(thread));
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}
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void
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GeckoMediaPluginService::ShutdownGMPThread()
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{
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LOGD(("%s::%s", __CLASS__, __FUNCTION__));
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nsCOMPtr<nsIThread> gmpThread;
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{
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MutexAutoLock lock(mMutex);
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mGMPThreadShutdown = true;
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mGMPThread.swap(gmpThread);
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}
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if (gmpThread) {
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gmpThread->Shutdown();
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}
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}
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nsresult
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GeckoMediaPluginService::GMPDispatch(nsIRunnable* event, uint32_t flags)
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{
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nsCOMPtr<nsIRunnable> r(event);
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nsCOMPtr<nsIThread> thread;
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nsresult rv = GetThread(getter_AddRefs(thread));
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if (NS_FAILED(rv)) {
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return rv;
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}
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return thread->Dispatch(r, flags);
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}
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// always call with getter_AddRefs, because it does
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NS_IMETHODIMP
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GeckoMediaPluginService::GetThread(nsIThread** aThread)
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{
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MOZ_ASSERT(aThread);
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// This can be called from any thread.
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MutexAutoLock lock(mMutex);
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if (!mGMPThread) {
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// Don't allow the thread to be created after shutdown has started.
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if (mGMPThreadShutdown) {
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return NS_ERROR_FAILURE;
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}
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nsresult rv = NS_NewNamedThread("GMPThread", getter_AddRefs(mGMPThread));
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if (NS_FAILED(rv)) {
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return rv;
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}
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// Tell the thread to initialize plugins
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InitializePlugins();
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}
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nsCOMPtr<nsIThread> copy = mGMPThread;
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copy.forget(aThread);
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return NS_OK;
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}
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class GetGMPContentParentForAudioDecoderDone : public GetGMPContentParentCallback
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{
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public:
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explicit GetGMPContentParentForAudioDecoderDone(UniquePtr<GetGMPAudioDecoderCallback>&& aCallback)
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: mCallback(Move(aCallback))
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{
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}
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virtual void Done(GMPContentParent* aGMPParent) override
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{
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GMPAudioDecoderParent* gmpADP = nullptr;
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if (aGMPParent) {
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aGMPParent->GetGMPAudioDecoder(&gmpADP);
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}
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mCallback->Done(gmpADP);
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}
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private:
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UniquePtr<GetGMPAudioDecoderCallback> mCallback;
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};
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NS_IMETHODIMP
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GeckoMediaPluginService::GetGMPAudioDecoder(nsTArray<nsCString>* aTags,
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const nsACString& aNodeId,
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UniquePtr<GetGMPAudioDecoderCallback>&& aCallback)
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{
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MOZ_ASSERT(NS_GetCurrentThread() == mGMPThread);
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NS_ENSURE_ARG(aTags && aTags->Length() > 0);
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NS_ENSURE_ARG(aCallback);
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if (mShuttingDownOnGMPThread) {
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return NS_ERROR_FAILURE;
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}
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UniquePtr<GetGMPContentParentCallback> callback(
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new GetGMPContentParentForAudioDecoderDone(Move(aCallback)));
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if (!GetContentParentFrom(aNodeId, NS_LITERAL_CSTRING(GMP_API_AUDIO_DECODER),
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*aTags, Move(callback))) {
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return NS_ERROR_FAILURE;
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}
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return NS_OK;
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}
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class GetGMPContentParentForVideoDecoderDone : public GetGMPContentParentCallback
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{
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public:
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explicit GetGMPContentParentForVideoDecoderDone(UniquePtr<GetGMPVideoDecoderCallback>&& aCallback)
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: mCallback(Move(aCallback))
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{
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}
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virtual void Done(GMPContentParent* aGMPParent) override
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{
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GMPVideoDecoderParent* gmpVDP = nullptr;
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GMPVideoHostImpl* videoHost = nullptr;
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if (aGMPParent && NS_SUCCEEDED(aGMPParent->GetGMPVideoDecoder(&gmpVDP))) {
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videoHost = &gmpVDP->Host();
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}
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mCallback->Done(gmpVDP, videoHost);
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}
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private:
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UniquePtr<GetGMPVideoDecoderCallback> mCallback;
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};
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NS_IMETHODIMP
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GeckoMediaPluginService::GetGMPVideoDecoder(nsTArray<nsCString>* aTags,
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const nsACString& aNodeId,
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UniquePtr<GetGMPVideoDecoderCallback>&& aCallback)
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{
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MOZ_ASSERT(NS_GetCurrentThread() == mGMPThread);
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NS_ENSURE_ARG(aTags && aTags->Length() > 0);
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NS_ENSURE_ARG(aCallback);
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if (mShuttingDownOnGMPThread) {
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return NS_ERROR_FAILURE;
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}
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UniquePtr<GetGMPContentParentCallback> callback(
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new GetGMPContentParentForVideoDecoderDone(Move(aCallback)));
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if (!GetContentParentFrom(aNodeId, NS_LITERAL_CSTRING(GMP_API_VIDEO_DECODER),
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*aTags, Move(callback))) {
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return NS_ERROR_FAILURE;
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}
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return NS_OK;
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}
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class GetGMPContentParentForVideoEncoderDone : public GetGMPContentParentCallback
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{
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public:
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explicit GetGMPContentParentForVideoEncoderDone(UniquePtr<GetGMPVideoEncoderCallback>&& aCallback)
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: mCallback(Move(aCallback))
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{
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}
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virtual void Done(GMPContentParent* aGMPParent) override
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{
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GMPVideoEncoderParent* gmpVEP = nullptr;
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GMPVideoHostImpl* videoHost = nullptr;
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if (aGMPParent && NS_SUCCEEDED(aGMPParent->GetGMPVideoEncoder(&gmpVEP))) {
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videoHost = &gmpVEP->Host();
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}
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mCallback->Done(gmpVEP, videoHost);
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}
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private:
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UniquePtr<GetGMPVideoEncoderCallback> mCallback;
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};
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NS_IMETHODIMP
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GeckoMediaPluginService::GetGMPVideoEncoder(nsTArray<nsCString>* aTags,
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const nsACString& aNodeId,
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UniquePtr<GetGMPVideoEncoderCallback>&& aCallback)
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{
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MOZ_ASSERT(NS_GetCurrentThread() == mGMPThread);
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NS_ENSURE_ARG(aTags && aTags->Length() > 0);
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NS_ENSURE_ARG(aCallback);
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if (mShuttingDownOnGMPThread) {
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return NS_ERROR_FAILURE;
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}
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UniquePtr<GetGMPContentParentCallback> callback(
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new GetGMPContentParentForVideoEncoderDone(Move(aCallback)));
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if (!GetContentParentFrom(aNodeId, NS_LITERAL_CSTRING(GMP_API_VIDEO_ENCODER),
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*aTags, Move(callback))) {
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return NS_ERROR_FAILURE;
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}
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return NS_OK;
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}
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class GetGMPContentParentForDecryptorDone : public GetGMPContentParentCallback
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{
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public:
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explicit GetGMPContentParentForDecryptorDone(UniquePtr<GetGMPDecryptorCallback>&& aCallback)
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: mCallback(Move(aCallback))
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{
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}
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virtual void Done(GMPContentParent* aGMPParent) override
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{
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GMPDecryptorParent* ksp = nullptr;
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if (aGMPParent) {
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aGMPParent->GetGMPDecryptor(&ksp);
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}
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mCallback->Done(ksp);
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}
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private:
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UniquePtr<GetGMPDecryptorCallback> mCallback;
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};
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NS_IMETHODIMP
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GeckoMediaPluginService::GetGMPDecryptor(nsTArray<nsCString>* aTags,
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const nsACString& aNodeId,
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UniquePtr<GetGMPDecryptorCallback>&& aCallback)
|
|
{
|
|
#if defined(XP_LINUX) && defined(MOZ_GMP_SANDBOX)
|
|
if (!SandboxInfo::Get().CanSandboxMedia()) {
|
|
NS_WARNING("GeckoMediaPluginService::GetGMPDecryptor: "
|
|
"EME decryption not available without sandboxing support.");
|
|
return NS_ERROR_NOT_AVAILABLE;
|
|
}
|
|
#endif
|
|
|
|
MOZ_ASSERT(NS_GetCurrentThread() == mGMPThread);
|
|
NS_ENSURE_ARG(aTags && aTags->Length() > 0);
|
|
NS_ENSURE_ARG(aCallback);
|
|
|
|
if (mShuttingDownOnGMPThread) {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
UniquePtr<GetGMPContentParentCallback> callback(
|
|
new GetGMPContentParentForDecryptorDone(Move(aCallback)));
|
|
if (!GetContentParentFrom(aNodeId, NS_LITERAL_CSTRING(GMP_API_DECRYPTOR),
|
|
*aTags, Move(callback))) {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
GeckoMediaPluginService::HasPluginForAPI(const nsACString& aAPI,
|
|
nsTArray<nsCString>* aTags,
|
|
bool* aOutHavePlugin)
|
|
{
|
|
nsCString unused;
|
|
return GetPluginVersionForAPI(aAPI, aTags, aOutHavePlugin, unused);
|
|
}
|
|
|
|
} // namespace gmp
|
|
} // namespace mozilla
|