mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-10-29 21:25:35 +00:00
1741 lines
46 KiB
C++
1741 lines
46 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* vim: set sw=4 ts=8 et tw=80 : */
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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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#ifdef MOZ_WIDGET_GTK
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#include <gtk/gtk.h>
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#endif
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#ifdef MOZ_WIDGET_QT
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#include "nsQAppInstance.h"
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#endif
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#include "ContentChild.h"
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#include "CrashReporterChild.h"
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#include "TabChild.h"
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#include "mozilla/Attributes.h"
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#include "mozilla/dom/asmjscache/AsmJSCache.h"
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#include "mozilla/dom/asmjscache/PAsmJSCacheEntryChild.h"
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#include "mozilla/dom/ExternalHelperAppChild.h"
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#include "mozilla/dom/PCrashReporterChild.h"
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#include "mozilla/dom/DOMStorageIPC.h"
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#include "mozilla/hal_sandbox/PHalChild.h"
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#include "mozilla/ipc/GeckoChildProcessHost.h"
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#include "mozilla/ipc/TestShellChild.h"
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#include "mozilla/layers/CompositorChild.h"
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#include "mozilla/layers/ImageBridgeChild.h"
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#include "mozilla/layers/PCompositorChild.h"
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#include "mozilla/net/NeckoChild.h"
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#include "mozilla/Preferences.h"
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#if defined(MOZ_CONTENT_SANDBOX) && defined(XP_UNIX) && !defined(XP_MACOSX)
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#include "mozilla/Sandbox.h"
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#endif
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#include "mozilla/unused.h"
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#include "nsIConsoleListener.h"
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#include "nsIInterfaceRequestorUtils.h"
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#include "nsIMemoryReporter.h"
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#include "nsIMemoryInfoDumper.h"
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#include "nsIMutable.h"
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#include "nsIObserverService.h"
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#include "nsIObserver.h"
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#include "nsIScriptSecurityManager.h"
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#include "nsServiceManagerUtils.h"
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#include "nsStyleSheetService.h"
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#include "nsXULAppAPI.h"
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#include "nsIScriptError.h"
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#include "nsIConsoleService.h"
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#include "nsJSEnvironment.h"
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#include "SandboxHal.h"
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#include "nsDebugImpl.h"
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#include "nsHashPropertyBag.h"
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#include "nsLayoutStylesheetCache.h"
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#include "nsIJSRuntimeService.h"
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#include "IHistory.h"
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#include "nsNetUtil.h"
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#include "base/message_loop.h"
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#include "base/process_util.h"
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#include "base/task.h"
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#include "nsChromeRegistryContent.h"
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#include "nsFrameMessageManager.h"
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#include "nsIGeolocationProvider.h"
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#include "mozilla/dom/PMemoryReportRequestChild.h"
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#ifdef MOZ_PERMISSIONS
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#include "nsIScriptSecurityManager.h"
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#include "nsPermission.h"
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#include "nsPermissionManager.h"
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#endif
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#include "PermissionMessageUtils.h"
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#if defined(MOZ_WIDGET_ANDROID)
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#include "APKOpen.h"
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#endif
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#if defined(MOZ_WIDGET_GONK)
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#include "nsVolume.h"
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#include "nsVolumeService.h"
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#include "SpeakerManagerService.h"
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#endif
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#ifdef XP_WIN
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#include <process.h>
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#define getpid _getpid
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#endif
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#ifdef ACCESSIBILITY
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#include "nsIAccessibilityService.h"
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#endif
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#ifdef MOZ_NUWA_PROCESS
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#include <setjmp.h>
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#include "ipc/Nuwa.h"
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#endif
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#include "mozilla/dom/indexedDB/PIndexedDBChild.h"
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#include "mozilla/dom/mobilemessage/SmsChild.h"
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#include "mozilla/dom/devicestorage/DeviceStorageRequestChild.h"
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#include "mozilla/dom/bluetooth/PBluetoothChild.h"
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#include "mozilla/dom/PFMRadioChild.h"
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#include "mozilla/ipc/InputStreamUtils.h"
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#ifdef MOZ_WEBSPEECH
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#include "mozilla/dom/PSpeechSynthesisChild.h"
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#endif
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#include "nsDOMFile.h"
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#include "nsIRemoteBlob.h"
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#include "ProcessUtils.h"
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#include "StructuredCloneUtils.h"
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#include "URIUtils.h"
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#include "nsContentUtils.h"
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#include "nsIPrincipal.h"
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#include "nsDeviceStorage.h"
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#include "AudioChannelService.h"
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#include "JavaScriptChild.h"
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#include "mozilla/dom/telephony/PTelephonyChild.h"
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#include "mozilla/net/NeckoMessageUtils.h"
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using namespace base;
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using namespace mozilla;
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using namespace mozilla::docshell;
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using namespace mozilla::dom::bluetooth;
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using namespace mozilla::dom::devicestorage;
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using namespace mozilla::dom::ipc;
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using namespace mozilla::dom::mobilemessage;
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using namespace mozilla::dom::indexedDB;
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using namespace mozilla::dom::telephony;
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using namespace mozilla::hal_sandbox;
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using namespace mozilla::ipc;
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using namespace mozilla::layers;
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using namespace mozilla::net;
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using namespace mozilla::jsipc;
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#if defined(MOZ_WIDGET_GONK)
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using namespace mozilla::system;
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#endif
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#ifdef MOZ_NUWA_PROCESS
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static bool sNuwaForking = false;
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// The size of the reserved stack (in unsigned ints). It's used to reserve space
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// to push sigsetjmp() in NuwaCheckpointCurrentThread() to higher in the stack
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// so that after it returns and do other work we don't garble the stack we want
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// to preserve in NuwaCheckpointCurrentThread().
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#define RESERVED_INT_STACK 128
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// A sentinel value for checking whether RESERVED_INT_STACK is large enough.
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#define STACK_SENTINEL_VALUE 0xdeadbeef
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#endif
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namespace mozilla {
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namespace dom {
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class MemoryReportRequestChild : public PMemoryReportRequestChild
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{
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public:
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MemoryReportRequestChild();
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virtual ~MemoryReportRequestChild();
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};
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MemoryReportRequestChild::MemoryReportRequestChild()
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{
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MOZ_COUNT_CTOR(MemoryReportRequestChild);
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}
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MemoryReportRequestChild::~MemoryReportRequestChild()
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{
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MOZ_COUNT_DTOR(MemoryReportRequestChild);
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}
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class AlertObserver
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{
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public:
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AlertObserver(nsIObserver *aObserver, const nsString& aData)
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: mObserver(aObserver)
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, mData(aData)
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{
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}
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~AlertObserver() {}
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bool ShouldRemoveFrom(nsIObserver* aObserver,
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const nsString& aData) const
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{
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return (mObserver == aObserver &&
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mData == aData);
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}
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bool Observes(const nsString& aData) const
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{
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return mData.Equals(aData);
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}
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bool Notify(const nsCString& aType) const
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{
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mObserver->Observe(nullptr, aType.get(), mData.get());
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return true;
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}
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private:
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nsCOMPtr<nsIObserver> mObserver;
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nsString mData;
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};
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class ConsoleListener MOZ_FINAL : public nsIConsoleListener
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{
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public:
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ConsoleListener(ContentChild* aChild)
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: mChild(aChild) {}
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NS_DECL_ISUPPORTS
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NS_DECL_NSICONSOLELISTENER
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private:
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ContentChild* mChild;
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friend class ContentChild;
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};
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NS_IMPL_ISUPPORTS1(ConsoleListener, nsIConsoleListener)
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NS_IMETHODIMP
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ConsoleListener::Observe(nsIConsoleMessage* aMessage)
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{
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if (!mChild)
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return NS_OK;
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nsCOMPtr<nsIScriptError> scriptError = do_QueryInterface(aMessage);
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if (scriptError) {
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nsString msg, sourceName, sourceLine;
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nsXPIDLCString category;
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uint32_t lineNum, colNum, flags;
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nsresult rv = scriptError->GetErrorMessage(msg);
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NS_ENSURE_SUCCESS(rv, rv);
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rv = scriptError->GetSourceName(sourceName);
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NS_ENSURE_SUCCESS(rv, rv);
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rv = scriptError->GetSourceLine(sourceLine);
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NS_ENSURE_SUCCESS(rv, rv);
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rv = scriptError->GetCategory(getter_Copies(category));
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NS_ENSURE_SUCCESS(rv, rv);
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rv = scriptError->GetLineNumber(&lineNum);
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NS_ENSURE_SUCCESS(rv, rv);
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rv = scriptError->GetColumnNumber(&colNum);
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NS_ENSURE_SUCCESS(rv, rv);
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rv = scriptError->GetFlags(&flags);
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NS_ENSURE_SUCCESS(rv, rv);
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mChild->SendScriptError(msg, sourceName, sourceLine,
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lineNum, colNum, flags, category);
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return NS_OK;
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}
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nsXPIDLString msg;
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nsresult rv = aMessage->GetMessageMoz(getter_Copies(msg));
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NS_ENSURE_SUCCESS(rv, rv);
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mChild->SendConsoleMessage(msg);
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return NS_OK;
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}
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class SystemMessageHandledObserver MOZ_FINAL : public nsIObserver
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{
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public:
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NS_DECL_ISUPPORTS
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NS_DECL_NSIOBSERVER
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void Init();
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};
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void SystemMessageHandledObserver::Init()
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{
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nsCOMPtr<nsIObserverService> os =
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mozilla::services::GetObserverService();
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if (os) {
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os->AddObserver(this, "handle-system-messages-done",
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/* ownsWeak */ false);
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}
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}
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NS_IMETHODIMP
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SystemMessageHandledObserver::Observe(nsISupports* aSubject,
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const char* aTopic,
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const PRUnichar* aData)
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{
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if (ContentChild::GetSingleton()) {
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ContentChild::GetSingleton()->SendSystemMessageHandled();
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}
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return NS_OK;
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}
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NS_IMPL_ISUPPORTS1(SystemMessageHandledObserver, nsIObserver)
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ContentChild* ContentChild::sSingleton;
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ContentChild::ContentChild()
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: mID(uint64_t(-1))
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#ifdef ANDROID
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,mScreenSize(0, 0)
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#endif
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{
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// This process is a content process, so it's clearly running in
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// multiprocess mode!
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nsDebugImpl::SetMultiprocessMode("Child");
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}
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ContentChild::~ContentChild()
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{
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}
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bool
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ContentChild::Init(MessageLoop* aIOLoop,
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base::ProcessHandle aParentHandle,
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IPC::Channel* aChannel)
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{
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#ifdef MOZ_WIDGET_GTK
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// sigh
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gtk_init(nullptr, nullptr);
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#endif
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#ifdef MOZ_WIDGET_QT
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// sigh, seriously
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nsQAppInstance::AddRef();
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#endif
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#ifdef MOZ_X11
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// Do this after initializing GDK, or GDK will install its own handler.
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XRE_InstallX11ErrorHandler();
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#endif
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#ifdef MOZ_NUWA_PROCESS
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SetTransport(aChannel);
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#endif
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NS_ASSERTION(!sSingleton, "only one ContentChild per child");
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Open(aChannel, aParentHandle, aIOLoop);
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sSingleton = this;
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#ifdef MOZ_CRASHREPORTER
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SendPCrashReporterConstructor(CrashReporter::CurrentThreadId(),
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XRE_GetProcessType());
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#endif
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SendGetProcessAttributes(&mID, &mIsForApp, &mIsForBrowser);
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GetCPOWManager();
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#ifdef MOZ_NUWA_PROCESS
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if (IsNuwaProcess()) {
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SetProcessName(NS_LITERAL_STRING("(Nuwa)"));
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return true;
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}
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#endif
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if (mIsForApp && !mIsForBrowser) {
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SetProcessName(NS_LITERAL_STRING("(Preallocated app)"));
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} else {
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SetProcessName(NS_LITERAL_STRING("Browser"));
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}
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return true;
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}
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void
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ContentChild::SetProcessName(const nsAString& aName)
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{
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char* name;
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if ((name = PR_GetEnv("MOZ_DEBUG_APP_PROCESS")) &&
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aName.EqualsASCII(name)) {
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#ifdef OS_POSIX
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printf_stderr("\n\nCHILDCHILDCHILDCHILD\n [%s] debug me @%d\n\n", name, getpid());
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sleep(30);
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#elif defined(OS_WIN)
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// Windows has a decent JIT debugging story, so NS_DebugBreak does the
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// right thing.
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NS_DebugBreak(NS_DEBUG_BREAK,
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"Invoking NS_DebugBreak() to debug child process",
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nullptr, __FILE__, __LINE__);
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#endif
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}
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mProcessName = aName;
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mozilla::ipc::SetThisProcessName(NS_LossyConvertUTF16toASCII(aName).get());
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}
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void
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ContentChild::GetProcessName(nsAString& aName)
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{
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aName.Assign(mProcessName);
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}
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void
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ContentChild::GetProcessName(nsACString& aName)
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{
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aName.Assign(NS_ConvertUTF16toUTF8(mProcessName));
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}
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/* static */ void
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ContentChild::AppendProcessId(nsACString& aName)
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{
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if (!aName.IsEmpty()) {
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aName.AppendLiteral(" ");
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}
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unsigned pid = getpid();
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aName.Append(nsPrintfCString("(pid %u)", pid));
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}
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void
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ContentChild::InitXPCOM()
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{
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nsCOMPtr<nsIConsoleService> svc(do_GetService(NS_CONSOLESERVICE_CONTRACTID));
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if (!svc) {
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NS_WARNING("Couldn't acquire console service");
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return;
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}
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mConsoleListener = new ConsoleListener(this);
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if (NS_FAILED(svc->RegisterListener(mConsoleListener)))
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NS_WARNING("Couldn't register console listener for child process");
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bool isOffline;
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SendGetXPCOMProcessAttributes(&isOffline);
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RecvSetOffline(isOffline);
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DebugOnly<FileUpdateDispatcher*> observer = FileUpdateDispatcher::GetSingleton();
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NS_ASSERTION(observer, "FileUpdateDispatcher is null");
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// This object is held alive by the observer service.
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nsRefPtr<SystemMessageHandledObserver> sysMsgObserver =
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new SystemMessageHandledObserver();
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sysMsgObserver->Init();
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}
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PMemoryReportRequestChild*
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ContentChild::AllocPMemoryReportRequestChild(const uint32_t& generation)
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{
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return new MemoryReportRequestChild();
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}
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// This is just a wrapper for InfallibleTArray<MemoryReport> that implements
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// nsISupports, so it can be passed to nsIMemoryReporter::CollectReports.
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class MemoryReportsWrapper MOZ_FINAL : public nsISupports {
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public:
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NS_DECL_ISUPPORTS
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MemoryReportsWrapper(InfallibleTArray<MemoryReport> *r) : mReports(r) { }
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InfallibleTArray<MemoryReport> *mReports;
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};
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NS_IMPL_ISUPPORTS0(MemoryReportsWrapper)
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class MemoryReportCallback MOZ_FINAL : public nsIMemoryReporterCallback
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{
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public:
|
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NS_DECL_ISUPPORTS
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MemoryReportCallback(const nsACString &aProcess)
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: mProcess(aProcess)
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{
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}
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NS_IMETHOD Callback(const nsACString &aProcess, const nsACString &aPath,
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int32_t aKind, int32_t aUnits, int64_t aAmount,
|
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const nsACString &aDescription,
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nsISupports *aiWrappedReports)
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{
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MemoryReportsWrapper *wrappedReports =
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static_cast<MemoryReportsWrapper *>(aiWrappedReports);
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MemoryReport memreport(mProcess, nsCString(aPath), aKind, aUnits,
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aAmount, nsCString(aDescription));
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wrappedReports->mReports->AppendElement(memreport);
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return NS_OK;
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}
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private:
|
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const nsCString mProcess;
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};
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NS_IMPL_ISUPPORTS1(
|
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MemoryReportCallback
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, nsIMemoryReporterCallback
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)
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bool
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ContentChild::RecvPMemoryReportRequestConstructor(
|
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PMemoryReportRequestChild* child,
|
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const uint32_t& generation)
|
|
{
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nsCOMPtr<nsIMemoryReporterManager> mgr = do_GetService("@mozilla.org/memory-reporter-manager;1");
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|
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InfallibleTArray<MemoryReport> reports;
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|
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nsCString process;
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GetProcessName(process);
|
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AppendProcessId(process);
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|
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// Run the reporters. The callback will turn each measurement into a
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// MemoryReport.
|
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nsRefPtr<MemoryReportsWrapper> wrappedReports =
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new MemoryReportsWrapper(&reports);
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nsRefPtr<MemoryReportCallback> cb = new MemoryReportCallback(process);
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mgr->GetReportsForThisProcess(cb, wrappedReports);
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child->Send__delete__(child, generation, reports);
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return true;
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}
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bool
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ContentChild::RecvAudioChannelNotify()
|
|
{
|
|
nsRefPtr<AudioChannelService> service =
|
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AudioChannelService::GetAudioChannelService();
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if (service) {
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service->Notify();
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}
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return true;
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}
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|
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bool
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ContentChild::DeallocPMemoryReportRequestChild(PMemoryReportRequestChild* actor)
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{
|
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delete actor;
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return true;
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}
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|
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bool
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ContentChild::RecvDumpMemoryInfoToTempDir(const nsString& aIdentifier,
|
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const bool& aMinimizeMemoryUsage,
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const bool& aDumpChildProcesses)
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{
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nsCOMPtr<nsIMemoryInfoDumper> dumper = do_GetService("@mozilla.org/memory-info-dumper;1");
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|
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dumper->DumpMemoryInfoToTempDir(aIdentifier, aMinimizeMemoryUsage,
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aDumpChildProcesses);
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|
return true;
|
|
}
|
|
|
|
bool
|
|
ContentChild::RecvDumpGCAndCCLogsToFile(const nsString& aIdentifier,
|
|
const bool& aDumpAllTraces,
|
|
const bool& aDumpChildProcesses)
|
|
{
|
|
nsCOMPtr<nsIMemoryInfoDumper> dumper = do_GetService("@mozilla.org/memory-info-dumper;1");
|
|
|
|
dumper->DumpGCAndCCLogsToFile(aIdentifier, aDumpAllTraces,
|
|
aDumpChildProcesses);
|
|
return true;
|
|
}
|
|
|
|
PCompositorChild*
|
|
ContentChild::AllocPCompositorChild(mozilla::ipc::Transport* aTransport,
|
|
base::ProcessId aOtherProcess)
|
|
{
|
|
return CompositorChild::Create(aTransport, aOtherProcess);
|
|
}
|
|
|
|
PImageBridgeChild*
|
|
ContentChild::AllocPImageBridgeChild(mozilla::ipc::Transport* aTransport,
|
|
base::ProcessId aOtherProcess)
|
|
{
|
|
return ImageBridgeChild::StartUpInChildProcess(aTransport, aOtherProcess);
|
|
}
|
|
|
|
bool
|
|
ContentChild::RecvSetProcessPrivileges(const ChildPrivileges& aPrivs)
|
|
{
|
|
ChildPrivileges privs = (aPrivs == PRIVILEGES_DEFAULT) ?
|
|
GeckoChildProcessHost::DefaultChildPrivileges() :
|
|
aPrivs;
|
|
// If this fails, we die.
|
|
SetCurrentProcessPrivileges(privs);
|
|
#if defined(MOZ_CONTENT_SANDBOX) && defined(XP_UNIX) && !defined(XP_MACOSX)
|
|
// SetCurrentProcessSandbox should be moved close to process initialization
|
|
// time if/when possible. SetCurrentProcessPrivileges should probably be
|
|
// moved as well. Right now this is set ONLY if we receive the
|
|
// RecvSetProcessPrivileges message. See bug 880808.
|
|
SetCurrentProcessSandbox();
|
|
#endif
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
ContentChild::RecvSpeakerManagerNotify()
|
|
{
|
|
#ifdef MOZ_WIDGET_GONK
|
|
nsRefPtr<SpeakerManagerService> service =
|
|
SpeakerManagerService::GetSpeakerManagerService();
|
|
if (service) {
|
|
service->Notify();
|
|
}
|
|
return true;
|
|
#endif
|
|
return false;
|
|
}
|
|
|
|
static CancelableTask* sFirstIdleTask;
|
|
|
|
static void FirstIdle(void)
|
|
{
|
|
MOZ_ASSERT(sFirstIdleTask);
|
|
sFirstIdleTask = nullptr;
|
|
ContentChild::GetSingleton()->SendFirstIdle();
|
|
}
|
|
|
|
mozilla::jsipc::PJavaScriptChild *
|
|
ContentChild::AllocPJavaScriptChild()
|
|
{
|
|
nsCOMPtr<nsIJSRuntimeService> svc = do_GetService("@mozilla.org/js/xpc/RuntimeService;1");
|
|
NS_ENSURE_TRUE(svc, nullptr);
|
|
|
|
JSRuntime *rt;
|
|
svc->GetRuntime(&rt);
|
|
NS_ENSURE_TRUE(svc, nullptr);
|
|
|
|
mozilla::jsipc::JavaScriptChild *child = new mozilla::jsipc::JavaScriptChild(rt);
|
|
if (!child->init()) {
|
|
delete child;
|
|
return nullptr;
|
|
}
|
|
return child;
|
|
}
|
|
|
|
bool
|
|
ContentChild::DeallocPJavaScriptChild(PJavaScriptChild *child)
|
|
{
|
|
delete child;
|
|
return true;
|
|
}
|
|
|
|
PBrowserChild*
|
|
ContentChild::AllocPBrowserChild(const IPCTabContext& aContext,
|
|
const uint32_t& aChromeFlags)
|
|
{
|
|
// We'll happily accept any kind of IPCTabContext here; we don't need to
|
|
// check that it's of a certain type for security purposes, because we
|
|
// believe whatever the parent process tells us.
|
|
|
|
MaybeInvalidTabContext tc(aContext);
|
|
if (!tc.IsValid()) {
|
|
NS_ERROR(nsPrintfCString("Received an invalid TabContext from "
|
|
"the parent process. (%s) Crashing...",
|
|
tc.GetInvalidReason()).get());
|
|
MOZ_CRASH("Invalid TabContext received from the parent process.");
|
|
}
|
|
|
|
nsRefPtr<TabChild> child = TabChild::Create(this, tc.GetTabContext(), aChromeFlags);
|
|
|
|
// The ref here is released in DeallocPBrowserChild.
|
|
return child.forget().get();
|
|
}
|
|
|
|
bool
|
|
ContentChild::RecvPBrowserConstructor(PBrowserChild* actor,
|
|
const IPCTabContext& context,
|
|
const uint32_t& chromeFlags)
|
|
{
|
|
// This runs after AllocPBrowserChild() returns and the IPC machinery for this
|
|
// PBrowserChild has been set up.
|
|
|
|
nsCOMPtr<nsIObserverService> os = services::GetObserverService();
|
|
if (os) {
|
|
nsITabChild* tc =
|
|
static_cast<nsITabChild*>(static_cast<TabChild*>(actor));
|
|
os->NotifyObservers(tc, "tab-child-created", nullptr);
|
|
}
|
|
|
|
static bool hasRunOnce = false;
|
|
if (!hasRunOnce) {
|
|
hasRunOnce = true;
|
|
|
|
MOZ_ASSERT(!sFirstIdleTask);
|
|
sFirstIdleTask = NewRunnableFunction(FirstIdle);
|
|
MessageLoop::current()->PostIdleTask(FROM_HERE, sFirstIdleTask);
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
|
|
bool
|
|
ContentChild::DeallocPBrowserChild(PBrowserChild* iframe)
|
|
{
|
|
TabChild* child = static_cast<TabChild*>(iframe);
|
|
NS_RELEASE(child);
|
|
return true;
|
|
}
|
|
|
|
PBlobChild*
|
|
ContentChild::AllocPBlobChild(const BlobConstructorParams& aParams)
|
|
{
|
|
return BlobChild::Create(this, aParams);
|
|
}
|
|
|
|
bool
|
|
ContentChild::DeallocPBlobChild(PBlobChild* aActor)
|
|
{
|
|
delete aActor;
|
|
return true;
|
|
}
|
|
|
|
BlobChild*
|
|
ContentChild::GetOrCreateActorForBlob(nsIDOMBlob* aBlob)
|
|
{
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
MOZ_ASSERT(aBlob);
|
|
|
|
// If the blob represents a remote blob then we can simply pass its actor back
|
|
// here.
|
|
if (nsCOMPtr<nsIRemoteBlob> remoteBlob = do_QueryInterface(aBlob)) {
|
|
BlobChild* actor =
|
|
static_cast<BlobChild*>(
|
|
static_cast<PBlobChild*>(remoteBlob->GetPBlob()));
|
|
MOZ_ASSERT(actor);
|
|
return actor;
|
|
}
|
|
|
|
// XXX This is only safe so long as all blob implementations in our tree
|
|
// inherit nsDOMFileBase. If that ever changes then this will need to grow
|
|
// a real interface or something.
|
|
const nsDOMFileBase* blob = static_cast<nsDOMFileBase*>(aBlob);
|
|
|
|
// We often pass blobs that are multipart but that only contain one sub-blob
|
|
// (WebActivities does this a bunch). Unwrap to reduce the number of actors
|
|
// that we have to maintain.
|
|
const nsTArray<nsCOMPtr<nsIDOMBlob> >* subBlobs = blob->GetSubBlobs();
|
|
if (subBlobs && subBlobs->Length() == 1) {
|
|
const nsCOMPtr<nsIDOMBlob>& subBlob = subBlobs->ElementAt(0);
|
|
MOZ_ASSERT(subBlob);
|
|
|
|
// We can only take this shortcut if the multipart and the sub-blob are both
|
|
// Blob objects or both File objects.
|
|
nsCOMPtr<nsIDOMFile> multipartBlobAsFile = do_QueryInterface(aBlob);
|
|
nsCOMPtr<nsIDOMFile> subBlobAsFile = do_QueryInterface(subBlob);
|
|
if (!multipartBlobAsFile == !subBlobAsFile) {
|
|
// The wrapping was unnecessary, see if we can simply pass an existing
|
|
// remote blob.
|
|
if (nsCOMPtr<nsIRemoteBlob> remoteBlob = do_QueryInterface(subBlob)) {
|
|
BlobChild* actor =
|
|
static_cast<BlobChild*>(
|
|
static_cast<PBlobChild*>(remoteBlob->GetPBlob()));
|
|
MOZ_ASSERT(actor);
|
|
return actor;
|
|
}
|
|
|
|
// No need to add a reference here since the original blob must have a
|
|
// strong reference in the caller and it must also have a strong reference
|
|
// to this sub-blob.
|
|
aBlob = subBlob;
|
|
blob = static_cast<nsDOMFileBase*>(aBlob);
|
|
subBlobs = blob->GetSubBlobs();
|
|
}
|
|
}
|
|
|
|
// All blobs shared between processes must be immutable.
|
|
nsCOMPtr<nsIMutable> mutableBlob = do_QueryInterface(aBlob);
|
|
if (!mutableBlob || NS_FAILED(mutableBlob->SetMutable(false))) {
|
|
NS_WARNING("Failed to make blob immutable!");
|
|
return nullptr;
|
|
}
|
|
|
|
ParentBlobConstructorParams params;
|
|
|
|
if (blob->IsSizeUnknown() || blob->IsDateUnknown()) {
|
|
// We don't want to call GetSize or GetLastModifiedDate
|
|
// yet since that may stat a file on the main thread
|
|
// here. Instead we'll learn the size lazily from the
|
|
// other process.
|
|
params.blobParams() = MysteryBlobConstructorParams();
|
|
params.optionalInputStreamParams() = void_t();
|
|
}
|
|
else {
|
|
nsString contentType;
|
|
nsresult rv = aBlob->GetType(contentType);
|
|
NS_ENSURE_SUCCESS(rv, nullptr);
|
|
|
|
uint64_t length;
|
|
rv = aBlob->GetSize(&length);
|
|
NS_ENSURE_SUCCESS(rv, nullptr);
|
|
|
|
nsCOMPtr<nsIInputStream> stream;
|
|
rv = aBlob->GetInternalStream(getter_AddRefs(stream));
|
|
NS_ENSURE_SUCCESS(rv, nullptr);
|
|
|
|
InputStreamParams inputStreamParams;
|
|
SerializeInputStream(stream, inputStreamParams);
|
|
|
|
params.optionalInputStreamParams() = inputStreamParams;
|
|
|
|
nsCOMPtr<nsIDOMFile> file = do_QueryInterface(aBlob);
|
|
if (file) {
|
|
FileBlobConstructorParams fileParams;
|
|
|
|
rv = file->GetName(fileParams.name());
|
|
NS_ENSURE_SUCCESS(rv, nullptr);
|
|
|
|
rv = file->GetMozLastModifiedDate(&fileParams.modDate());
|
|
NS_ENSURE_SUCCESS(rv, nullptr);
|
|
|
|
fileParams.contentType() = contentType;
|
|
fileParams.length() = length;
|
|
|
|
params.blobParams() = fileParams;
|
|
} else {
|
|
NormalBlobConstructorParams blobParams;
|
|
blobParams.contentType() = contentType;
|
|
blobParams.length() = length;
|
|
params.blobParams() = blobParams;
|
|
}
|
|
}
|
|
|
|
BlobChild* actor = BlobChild::Create(this, aBlob);
|
|
NS_ENSURE_TRUE(actor, nullptr);
|
|
|
|
return SendPBlobConstructor(actor, params) ? actor : nullptr;
|
|
}
|
|
|
|
PCrashReporterChild*
|
|
ContentChild::AllocPCrashReporterChild(const mozilla::dom::NativeThreadId& id,
|
|
const uint32_t& processType)
|
|
{
|
|
#ifdef MOZ_CRASHREPORTER
|
|
return new CrashReporterChild();
|
|
#else
|
|
return nullptr;
|
|
#endif
|
|
}
|
|
|
|
bool
|
|
ContentChild::DeallocPCrashReporterChild(PCrashReporterChild* crashreporter)
|
|
{
|
|
delete crashreporter;
|
|
return true;
|
|
}
|
|
|
|
PHalChild*
|
|
ContentChild::AllocPHalChild()
|
|
{
|
|
return CreateHalChild();
|
|
}
|
|
|
|
bool
|
|
ContentChild::DeallocPHalChild(PHalChild* aHal)
|
|
{
|
|
delete aHal;
|
|
return true;
|
|
}
|
|
|
|
PIndexedDBChild*
|
|
ContentChild::AllocPIndexedDBChild()
|
|
{
|
|
NS_NOTREACHED("Should never get here!");
|
|
return nullptr;
|
|
}
|
|
|
|
bool
|
|
ContentChild::DeallocPIndexedDBChild(PIndexedDBChild* aActor)
|
|
{
|
|
delete aActor;
|
|
return true;
|
|
}
|
|
|
|
asmjscache::PAsmJSCacheEntryChild*
|
|
ContentChild::AllocPAsmJSCacheEntryChild(const asmjscache::OpenMode& aOpenMode,
|
|
const int64_t& aSizeToWrite,
|
|
const IPC::Principal& aPrincipal)
|
|
{
|
|
NS_NOTREACHED("Should never get here!");
|
|
return nullptr;
|
|
}
|
|
|
|
bool
|
|
ContentChild::DeallocPAsmJSCacheEntryChild(PAsmJSCacheEntryChild* aActor)
|
|
{
|
|
asmjscache::DeallocEntryChild(aActor);
|
|
return true;
|
|
}
|
|
|
|
PTestShellChild*
|
|
ContentChild::AllocPTestShellChild()
|
|
{
|
|
return new TestShellChild();
|
|
}
|
|
|
|
bool
|
|
ContentChild::DeallocPTestShellChild(PTestShellChild* shell)
|
|
{
|
|
delete shell;
|
|
return true;
|
|
}
|
|
|
|
jsipc::JavaScriptChild *
|
|
ContentChild::GetCPOWManager()
|
|
{
|
|
if (ManagedPJavaScriptChild().Length()) {
|
|
return static_cast<JavaScriptChild*>(ManagedPJavaScriptChild()[0]);
|
|
}
|
|
JavaScriptChild* actor = static_cast<JavaScriptChild*>(SendPJavaScriptConstructor());
|
|
return actor;
|
|
}
|
|
|
|
bool
|
|
ContentChild::RecvPTestShellConstructor(PTestShellChild* actor)
|
|
{
|
|
return true;
|
|
}
|
|
|
|
PDeviceStorageRequestChild*
|
|
ContentChild::AllocPDeviceStorageRequestChild(const DeviceStorageParams& aParams)
|
|
{
|
|
return new DeviceStorageRequestChild();
|
|
}
|
|
|
|
bool
|
|
ContentChild::DeallocPDeviceStorageRequestChild(PDeviceStorageRequestChild* aDeviceStorage)
|
|
{
|
|
delete aDeviceStorage;
|
|
return true;
|
|
}
|
|
|
|
PNeckoChild*
|
|
ContentChild::AllocPNeckoChild()
|
|
{
|
|
return new NeckoChild();
|
|
}
|
|
|
|
bool
|
|
ContentChild::DeallocPNeckoChild(PNeckoChild* necko)
|
|
{
|
|
delete necko;
|
|
return true;
|
|
}
|
|
|
|
PExternalHelperAppChild*
|
|
ContentChild::AllocPExternalHelperAppChild(const OptionalURIParams& uri,
|
|
const nsCString& aMimeContentType,
|
|
const nsCString& aContentDisposition,
|
|
const bool& aForceSave,
|
|
const int64_t& aContentLength,
|
|
const OptionalURIParams& aReferrer,
|
|
PBrowserChild* aBrowser)
|
|
{
|
|
ExternalHelperAppChild *child = new ExternalHelperAppChild();
|
|
child->AddRef();
|
|
return child;
|
|
}
|
|
|
|
bool
|
|
ContentChild::DeallocPExternalHelperAppChild(PExternalHelperAppChild* aService)
|
|
{
|
|
ExternalHelperAppChild *child = static_cast<ExternalHelperAppChild*>(aService);
|
|
child->Release();
|
|
return true;
|
|
}
|
|
|
|
PSmsChild*
|
|
ContentChild::AllocPSmsChild()
|
|
{
|
|
return new SmsChild();
|
|
}
|
|
|
|
bool
|
|
ContentChild::DeallocPSmsChild(PSmsChild* aSms)
|
|
{
|
|
delete aSms;
|
|
return true;
|
|
}
|
|
|
|
PTelephonyChild*
|
|
ContentChild::AllocPTelephonyChild()
|
|
{
|
|
MOZ_CRASH("No one should be allocating PTelephonyChild actors");
|
|
}
|
|
|
|
bool
|
|
ContentChild::DeallocPTelephonyChild(PTelephonyChild* aActor)
|
|
{
|
|
delete aActor;
|
|
return true;
|
|
}
|
|
|
|
PStorageChild*
|
|
ContentChild::AllocPStorageChild()
|
|
{
|
|
NS_NOTREACHED("We should never be manually allocating PStorageChild actors");
|
|
return nullptr;
|
|
}
|
|
|
|
bool
|
|
ContentChild::DeallocPStorageChild(PStorageChild* aActor)
|
|
{
|
|
DOMStorageDBChild* child = static_cast<DOMStorageDBChild*>(aActor);
|
|
child->ReleaseIPDLReference();
|
|
return true;
|
|
}
|
|
|
|
PBluetoothChild*
|
|
ContentChild::AllocPBluetoothChild()
|
|
{
|
|
#ifdef MOZ_B2G_BT
|
|
MOZ_CRASH("No one should be allocating PBluetoothChild actors");
|
|
#else
|
|
MOZ_CRASH("No support for bluetooth on this platform!");
|
|
#endif
|
|
}
|
|
|
|
bool
|
|
ContentChild::DeallocPBluetoothChild(PBluetoothChild* aActor)
|
|
{
|
|
#ifdef MOZ_B2G_BT
|
|
delete aActor;
|
|
return true;
|
|
#else
|
|
MOZ_CRASH("No support for bluetooth on this platform!");
|
|
#endif
|
|
}
|
|
|
|
PFMRadioChild*
|
|
ContentChild::AllocPFMRadioChild()
|
|
{
|
|
#ifdef MOZ_B2G_FM
|
|
NS_RUNTIMEABORT("No one should be allocating PFMRadioChild actors");
|
|
return nullptr;
|
|
#else
|
|
NS_RUNTIMEABORT("No support for FMRadio on this platform!");
|
|
return nullptr;
|
|
#endif
|
|
}
|
|
|
|
bool
|
|
ContentChild::DeallocPFMRadioChild(PFMRadioChild* aActor)
|
|
{
|
|
#ifdef MOZ_B2G_FM
|
|
delete aActor;
|
|
return true;
|
|
#else
|
|
NS_RUNTIMEABORT("No support for FMRadio on this platform!");
|
|
return false;
|
|
#endif
|
|
}
|
|
|
|
PSpeechSynthesisChild*
|
|
ContentChild::AllocPSpeechSynthesisChild()
|
|
{
|
|
#ifdef MOZ_WEBSPEECH
|
|
MOZ_CRASH("No one should be allocating PSpeechSynthesisChild actors");
|
|
#else
|
|
return nullptr;
|
|
#endif
|
|
}
|
|
|
|
bool
|
|
ContentChild::DeallocPSpeechSynthesisChild(PSpeechSynthesisChild* aActor)
|
|
{
|
|
#ifdef MOZ_WEBSPEECH
|
|
delete aActor;
|
|
return true;
|
|
#else
|
|
return false;
|
|
#endif
|
|
}
|
|
|
|
bool
|
|
ContentChild::RecvRegisterChrome(const InfallibleTArray<ChromePackage>& packages,
|
|
const InfallibleTArray<ResourceMapping>& resources,
|
|
const InfallibleTArray<OverrideMapping>& overrides,
|
|
const nsCString& locale)
|
|
{
|
|
nsCOMPtr<nsIChromeRegistry> registrySvc = nsChromeRegistry::GetService();
|
|
nsChromeRegistryContent* chromeRegistry =
|
|
static_cast<nsChromeRegistryContent*>(registrySvc.get());
|
|
chromeRegistry->RegisterRemoteChrome(packages, resources, overrides, locale);
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
ContentChild::RecvSetOffline(const bool& offline)
|
|
{
|
|
nsCOMPtr<nsIIOService> io (do_GetIOService());
|
|
NS_ASSERTION(io, "IO Service can not be null");
|
|
|
|
io->SetOffline(offline);
|
|
|
|
return true;
|
|
}
|
|
|
|
void
|
|
ContentChild::ActorDestroy(ActorDestroyReason why)
|
|
{
|
|
if (AbnormalShutdown == why) {
|
|
NS_WARNING("shutting down early because of crash!");
|
|
QuickExit();
|
|
}
|
|
|
|
#ifndef DEBUG
|
|
// In release builds, there's no point in the content process
|
|
// going through the full XPCOM shutdown path, because it doesn't
|
|
// keep persistent state.
|
|
QuickExit();
|
|
#endif
|
|
|
|
if (sFirstIdleTask) {
|
|
sFirstIdleTask->Cancel();
|
|
}
|
|
|
|
mAlertObservers.Clear();
|
|
|
|
nsCOMPtr<nsIConsoleService> svc(do_GetService(NS_CONSOLESERVICE_CONTRACTID));
|
|
if (svc) {
|
|
svc->UnregisterListener(mConsoleListener);
|
|
mConsoleListener->mChild = nullptr;
|
|
}
|
|
|
|
XRE_ShutdownChildProcess();
|
|
}
|
|
|
|
void
|
|
ContentChild::ProcessingError(Result what)
|
|
{
|
|
switch (what) {
|
|
case MsgDropped:
|
|
QuickExit();
|
|
|
|
case MsgNotKnown:
|
|
NS_RUNTIMEABORT("aborting because of MsgNotKnown");
|
|
case MsgNotAllowed:
|
|
NS_RUNTIMEABORT("aborting because of MsgNotAllowed");
|
|
case MsgPayloadError:
|
|
NS_RUNTIMEABORT("aborting because of MsgPayloadError");
|
|
case MsgProcessingError:
|
|
NS_RUNTIMEABORT("aborting because of MsgProcessingError");
|
|
case MsgRouteError:
|
|
NS_RUNTIMEABORT("aborting because of MsgRouteError");
|
|
case MsgValueError:
|
|
NS_RUNTIMEABORT("aborting because of MsgValueError");
|
|
|
|
default:
|
|
NS_RUNTIMEABORT("not reached");
|
|
}
|
|
}
|
|
|
|
void
|
|
ContentChild::QuickExit()
|
|
{
|
|
NS_WARNING("content process _exit()ing");
|
|
_exit(0);
|
|
}
|
|
|
|
nsresult
|
|
ContentChild::AddRemoteAlertObserver(const nsString& aData,
|
|
nsIObserver* aObserver)
|
|
{
|
|
NS_ASSERTION(aObserver, "Adding a null observer?");
|
|
mAlertObservers.AppendElement(new AlertObserver(aObserver, aData));
|
|
return NS_OK;
|
|
}
|
|
|
|
bool
|
|
ContentChild::RecvPreferenceUpdate(const PrefSetting& aPref)
|
|
{
|
|
Preferences::SetPreference(aPref);
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
ContentChild::RecvNotifyAlertsObserver(const nsCString& aType, const nsString& aData)
|
|
{
|
|
for (uint32_t i = 0; i < mAlertObservers.Length();
|
|
/*we mutate the array during the loop; ++i iff no mutation*/) {
|
|
AlertObserver* observer = mAlertObservers[i];
|
|
if (observer->Observes(aData) && observer->Notify(aType)) {
|
|
// if aType == alertfinished, this alert is done. we can
|
|
// remove the observer.
|
|
if (aType.Equals(nsDependentCString("alertfinished"))) {
|
|
mAlertObservers.RemoveElementAt(i);
|
|
continue;
|
|
}
|
|
}
|
|
++i;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
ContentChild::RecvNotifyVisited(const URIParams& aURI)
|
|
{
|
|
nsCOMPtr<nsIURI> newURI = DeserializeURI(aURI);
|
|
if (!newURI) {
|
|
return false;
|
|
}
|
|
nsCOMPtr<IHistory> history = services::GetHistoryService();
|
|
if (history) {
|
|
history->NotifyVisited(newURI);
|
|
}
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
ContentChild::RecvAsyncMessage(const nsString& aMsg,
|
|
const ClonedMessageData& aData,
|
|
const InfallibleTArray<CpowEntry>& aCpows,
|
|
const IPC::Principal& aPrincipal)
|
|
{
|
|
nsRefPtr<nsFrameMessageManager> cpm = nsFrameMessageManager::sChildProcessManager;
|
|
if (cpm) {
|
|
StructuredCloneData cloneData = ipc::UnpackClonedMessageDataForChild(aData);
|
|
CpowIdHolder cpows(GetCPOWManager(), aCpows);
|
|
cpm->ReceiveMessage(static_cast<nsIContentFrameMessageManager*>(cpm.get()),
|
|
aMsg, false, &cloneData, &cpows, aPrincipal, nullptr);
|
|
}
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
ContentChild::RecvGeolocationUpdate(const GeoPosition& somewhere)
|
|
{
|
|
nsCOMPtr<nsIGeolocationUpdate> gs = do_GetService("@mozilla.org/geolocation/service;1");
|
|
if (!gs) {
|
|
return true;
|
|
}
|
|
nsCOMPtr<nsIDOMGeoPosition> position = somewhere;
|
|
gs->Update(position);
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
ContentChild::RecvAddPermission(const IPC::Permission& permission)
|
|
{
|
|
#if MOZ_PERMISSIONS
|
|
nsCOMPtr<nsIPermissionManager> permissionManagerIface =
|
|
do_GetService(NS_PERMISSIONMANAGER_CONTRACTID);
|
|
nsPermissionManager* permissionManager =
|
|
static_cast<nsPermissionManager*>(permissionManagerIface.get());
|
|
NS_ABORT_IF_FALSE(permissionManager,
|
|
"We have no permissionManager in the Content process !");
|
|
|
|
nsCOMPtr<nsIURI> uri;
|
|
NS_NewURI(getter_AddRefs(uri), NS_LITERAL_CSTRING("http://") + nsCString(permission.host));
|
|
NS_ENSURE_TRUE(uri, true);
|
|
|
|
nsIScriptSecurityManager* secMan = nsContentUtils::GetSecurityManager();
|
|
MOZ_ASSERT(secMan);
|
|
|
|
nsCOMPtr<nsIPrincipal> principal;
|
|
nsresult rv = secMan->GetAppCodebasePrincipal(uri, permission.appId,
|
|
permission.isInBrowserElement,
|
|
getter_AddRefs(principal));
|
|
NS_ENSURE_SUCCESS(rv, true);
|
|
|
|
permissionManager->AddInternal(principal,
|
|
nsCString(permission.type),
|
|
permission.capability,
|
|
0,
|
|
permission.expireType,
|
|
permission.expireTime,
|
|
nsPermissionManager::eNotify,
|
|
nsPermissionManager::eNoDBOperation);
|
|
#endif
|
|
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
ContentChild::RecvScreenSizeChanged(const gfxIntSize& size)
|
|
{
|
|
#ifdef ANDROID
|
|
mScreenSize = size;
|
|
#else
|
|
NS_RUNTIMEABORT("Message currently only expected on android");
|
|
#endif
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
ContentChild::RecvFlushMemory(const nsString& reason)
|
|
{
|
|
#ifdef MOZ_NUWA_PROCESS
|
|
if (IsNuwaProcess()) {
|
|
// Don't flush memory in the nuwa process: the GC thread could be frozen.
|
|
return true;
|
|
}
|
|
#endif
|
|
nsCOMPtr<nsIObserverService> os =
|
|
mozilla::services::GetObserverService();
|
|
if (os)
|
|
os->NotifyObservers(nullptr, "memory-pressure", reason.get());
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
ContentChild::RecvActivateA11y()
|
|
{
|
|
#ifdef ACCESSIBILITY
|
|
// Start accessibility in content process if it's running in chrome
|
|
// process.
|
|
nsCOMPtr<nsIAccessibilityService> accService =
|
|
do_GetService("@mozilla.org/accessibilityService;1");
|
|
#endif
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
ContentChild::RecvGarbageCollect()
|
|
{
|
|
// Rebroadcast the "child-gc-request" so that workers will GC.
|
|
nsCOMPtr<nsIObserverService> obs = mozilla::services::GetObserverService();
|
|
if (obs) {
|
|
obs->NotifyObservers(nullptr, "child-gc-request", nullptr);
|
|
}
|
|
nsJSContext::GarbageCollectNow(JS::gcreason::DOM_IPC);
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
ContentChild::RecvCycleCollect()
|
|
{
|
|
// Rebroadcast the "child-cc-request" so that workers will CC.
|
|
nsCOMPtr<nsIObserverService> obs = mozilla::services::GetObserverService();
|
|
if (obs) {
|
|
obs->NotifyObservers(nullptr, "child-cc-request", nullptr);
|
|
}
|
|
nsJSContext::CycleCollectNow();
|
|
return true;
|
|
}
|
|
|
|
#ifdef MOZ_NUWA_PROCESS
|
|
static void
|
|
OnFinishNuwaPreparation ()
|
|
{
|
|
MakeNuwaProcess();
|
|
}
|
|
#endif
|
|
|
|
static void
|
|
PreloadSlowThings()
|
|
{
|
|
// This fetches and creates all the built-in stylesheets.
|
|
nsLayoutStylesheetCache::UserContentSheet();
|
|
|
|
TabChild::PreloadSlowThings();
|
|
|
|
}
|
|
|
|
bool
|
|
ContentChild::RecvAppInfo(const nsCString& version, const nsCString& buildID,
|
|
const nsCString& name, const nsCString& UAName)
|
|
{
|
|
mAppInfo.version.Assign(version);
|
|
mAppInfo.buildID.Assign(buildID);
|
|
mAppInfo.name.Assign(name);
|
|
mAppInfo.UAName.Assign(UAName);
|
|
|
|
if (!Preferences::GetBool("dom.ipc.processPrelaunch.enabled", false)) {
|
|
return true;
|
|
}
|
|
|
|
// If we're part of the mozbrowser machinery, go ahead and start
|
|
// preloading things. We can only do this for mozbrowser because
|
|
// PreloadSlowThings() may set the docshell of the first TabChild
|
|
// inactive, and we can only safely restore it to active from
|
|
// BrowserElementChild.js.
|
|
if ((mIsForApp || mIsForBrowser)
|
|
#ifdef MOZ_NUWA_PROCESS
|
|
&& !IsNuwaProcess()
|
|
#endif
|
|
) {
|
|
PreloadSlowThings();
|
|
}
|
|
|
|
#ifdef MOZ_NUWA_PROCESS
|
|
if (IsNuwaProcess()) {
|
|
ContentChild::GetSingleton()->RecvGarbageCollect();
|
|
MessageLoop::current()->PostTask(
|
|
FROM_HERE, NewRunnableFunction(OnFinishNuwaPreparation));
|
|
}
|
|
#endif
|
|
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
ContentChild::RecvLastPrivateDocShellDestroyed()
|
|
{
|
|
nsCOMPtr<nsIObserverService> obs = mozilla::services::GetObserverService();
|
|
obs->NotifyObservers(nullptr, "last-pb-context-exited", nullptr);
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
ContentChild::RecvFilePathUpdate(const nsString& aStorageType,
|
|
const nsString& aStorageName,
|
|
const nsString& aPath,
|
|
const nsCString& aReason)
|
|
{
|
|
nsRefPtr<DeviceStorageFile> dsf = new DeviceStorageFile(aStorageType, aStorageName, aPath);
|
|
|
|
nsString reason;
|
|
CopyASCIItoUTF16(aReason, reason);
|
|
nsCOMPtr<nsIObserverService> obs = mozilla::services::GetObserverService();
|
|
obs->NotifyObservers(dsf, "file-watcher-update", reason.get());
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
ContentChild::RecvFileSystemUpdate(const nsString& aFsName,
|
|
const nsString& aVolumeName,
|
|
const int32_t& aState,
|
|
const int32_t& aMountGeneration,
|
|
const bool& aIsMediaPresent,
|
|
const bool& aIsSharing,
|
|
const bool& aIsFormatting)
|
|
{
|
|
#ifdef MOZ_WIDGET_GONK
|
|
nsRefPtr<nsVolume> volume = new nsVolume(aFsName, aVolumeName, aState,
|
|
aMountGeneration, aIsMediaPresent,
|
|
aIsSharing, aIsFormatting);
|
|
|
|
nsRefPtr<nsVolumeService> vs = nsVolumeService::GetSingleton();
|
|
if (vs) {
|
|
vs->UpdateVolume(volume);
|
|
}
|
|
#else
|
|
// Remove warnings about unused arguments
|
|
unused << aFsName;
|
|
unused << aVolumeName;
|
|
unused << aState;
|
|
unused << aMountGeneration;
|
|
unused << aIsMediaPresent;
|
|
unused << aIsSharing;
|
|
unused << aIsFormatting;
|
|
#endif
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
ContentChild::RecvNotifyProcessPriorityChanged(
|
|
const hal::ProcessPriority& aPriority)
|
|
{
|
|
nsCOMPtr<nsIObserverService> os = services::GetObserverService();
|
|
NS_ENSURE_TRUE(os, true);
|
|
|
|
nsRefPtr<nsHashPropertyBag> props = new nsHashPropertyBag();
|
|
props->SetPropertyAsInt32(NS_LITERAL_STRING("priority"),
|
|
static_cast<int32_t>(aPriority));
|
|
|
|
os->NotifyObservers(static_cast<nsIPropertyBag2*>(props),
|
|
"ipc:process-priority-changed", nullptr);
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
ContentChild::RecvMinimizeMemoryUsage()
|
|
{
|
|
#ifdef MOZ_NUWA_PROCESS
|
|
if (IsNuwaProcess()) {
|
|
// Don't minimize memory in the nuwa process: it will perform GC, but the
|
|
// GC thread could be frozen.
|
|
return true;
|
|
}
|
|
#endif
|
|
nsCOMPtr<nsIMemoryReporterManager> mgr =
|
|
do_GetService("@mozilla.org/memory-reporter-manager;1");
|
|
NS_ENSURE_TRUE(mgr, true);
|
|
|
|
nsCOMPtr<nsICancelableRunnable> runnable =
|
|
do_QueryReferent(mMemoryMinimizerRunnable);
|
|
|
|
// Cancel the previous task if it's still pending.
|
|
if (runnable) {
|
|
runnable->Cancel();
|
|
runnable = nullptr;
|
|
}
|
|
|
|
mgr->MinimizeMemoryUsage(/* callback = */ nullptr,
|
|
getter_AddRefs(runnable));
|
|
mMemoryMinimizerRunnable = do_GetWeakReference(runnable);
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
ContentChild::RecvCancelMinimizeMemoryUsage()
|
|
{
|
|
nsCOMPtr<nsICancelableRunnable> runnable =
|
|
do_QueryReferent(mMemoryMinimizerRunnable);
|
|
if (runnable) {
|
|
runnable->Cancel();
|
|
mMemoryMinimizerRunnable = nullptr;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
ContentChild::RecvNotifyPhoneStateChange(const nsString& aState)
|
|
{
|
|
nsCOMPtr<nsIObserverService> os = services::GetObserverService();
|
|
if (os) {
|
|
os->NotifyObservers(nullptr, "phone-state-changed", aState.get());
|
|
}
|
|
return true;
|
|
}
|
|
|
|
void
|
|
ContentChild::AddIdleObserver(nsIObserver* aObserver, uint32_t aIdleTimeInS)
|
|
{
|
|
MOZ_ASSERT(aObserver, "null idle observer");
|
|
// Make sure aObserver isn't released while we wait for the parent
|
|
aObserver->AddRef();
|
|
SendAddIdleObserver(reinterpret_cast<uint64_t>(aObserver), aIdleTimeInS);
|
|
}
|
|
|
|
void
|
|
ContentChild::RemoveIdleObserver(nsIObserver* aObserver, uint32_t aIdleTimeInS)
|
|
{
|
|
MOZ_ASSERT(aObserver, "null idle observer");
|
|
SendRemoveIdleObserver(reinterpret_cast<uint64_t>(aObserver), aIdleTimeInS);
|
|
aObserver->Release();
|
|
}
|
|
|
|
bool
|
|
ContentChild::RecvNotifyIdleObserver(const uint64_t& aObserver,
|
|
const nsCString& aTopic,
|
|
const nsString& aTimeStr)
|
|
{
|
|
nsIObserver* observer = reinterpret_cast<nsIObserver*>(aObserver);
|
|
observer->Observe(nullptr, aTopic.get(), aTimeStr.get());
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
ContentChild::RecvLoadAndRegisterSheet(const URIParams& aURI, const uint32_t& aType)
|
|
{
|
|
nsCOMPtr<nsIURI> uri = DeserializeURI(aURI);
|
|
if (!uri) {
|
|
return true;
|
|
}
|
|
|
|
nsStyleSheetService *sheetService = nsStyleSheetService::GetInstance();
|
|
if (sheetService) {
|
|
sheetService->LoadAndRegisterSheet(uri, aType);
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
ContentChild::RecvUnregisterSheet(const URIParams& aURI, const uint32_t& aType)
|
|
{
|
|
nsCOMPtr<nsIURI> uri = DeserializeURI(aURI);
|
|
if (!uri) {
|
|
return true;
|
|
}
|
|
|
|
nsStyleSheetService *sheetService = nsStyleSheetService::GetInstance();
|
|
if (sheetService) {
|
|
sheetService->UnregisterSheet(uri, aType);
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
#ifdef MOZ_NUWA_PROCESS
|
|
class CallNuwaSpawn : public nsRunnable
|
|
{
|
|
public:
|
|
NS_IMETHOD Run()
|
|
{
|
|
NuwaSpawn();
|
|
if (IsNuwaProcess()) {
|
|
return NS_OK;
|
|
}
|
|
|
|
// In the new process.
|
|
ContentChild* child = ContentChild::GetSingleton();
|
|
child->SetProcessName(NS_LITERAL_STRING("(Preallocated app)"));
|
|
mozilla::ipc::Transport* transport = child->GetTransport();
|
|
int fd = transport->GetFileDescriptor();
|
|
transport->ResetFileDescriptor(fd);
|
|
|
|
IToplevelProtocol* toplevel = child->GetFirstOpenedActors();
|
|
while (toplevel != nullptr) {
|
|
transport = toplevel->GetTransport();
|
|
fd = transport->GetFileDescriptor();
|
|
transport->ResetFileDescriptor(fd);
|
|
|
|
toplevel = toplevel->getNext();
|
|
}
|
|
return NS_OK;
|
|
}
|
|
};
|
|
|
|
static void
|
|
DoNuwaFork()
|
|
{
|
|
NS_ASSERTION(NuwaSpawnPrepare != nullptr,
|
|
"NuwaSpawnPrepare() is not available!");
|
|
NuwaSpawnPrepare(); // NuwaSpawn will be blocked.
|
|
|
|
{
|
|
nsCOMPtr<nsIRunnable> callSpawn(new CallNuwaSpawn());
|
|
NS_DispatchToMainThread(callSpawn);
|
|
}
|
|
|
|
// IOThread should be blocked here for waiting NuwaSpawn().
|
|
NS_ASSERTION(NuwaSpawnWait != nullptr,
|
|
"NuwaSpawnWait() is not available!");
|
|
NuwaSpawnWait(); // Now! NuwaSpawn can go.
|
|
// Here, we can make sure the spawning was finished.
|
|
}
|
|
|
|
/**
|
|
* This function should keep IO thread in a stable state and freeze it
|
|
* until the spawning is finished.
|
|
*/
|
|
static void
|
|
RunNuwaFork()
|
|
{
|
|
if (NuwaCheckpointCurrentThread()) {
|
|
DoNuwaFork();
|
|
}
|
|
}
|
|
#endif
|
|
|
|
bool
|
|
ContentChild::RecvNuwaFork()
|
|
{
|
|
#ifdef MOZ_NUWA_PROCESS
|
|
if (sNuwaForking) { // No reentry.
|
|
return true;
|
|
}
|
|
sNuwaForking = true;
|
|
|
|
MessageLoop* ioloop = XRE_GetIOMessageLoop();
|
|
ioloop->PostTask(FROM_HERE, NewRunnableFunction(RunNuwaFork));
|
|
return true;
|
|
#else
|
|
return false; // Makes the underlying IPC channel abort.
|
|
#endif
|
|
}
|
|
|
|
} // namespace dom
|
|
} // namespace mozilla
|
|
|
|
extern "C" {
|
|
|
|
#if defined(MOZ_NUWA_PROCESS)
|
|
NS_EXPORT void
|
|
GetProtoFdInfos(NuwaProtoFdInfo* aInfoList,
|
|
size_t aInfoListSize,
|
|
size_t* aInfoSize)
|
|
{
|
|
size_t i = 0;
|
|
|
|
mozilla::dom::ContentChild* content =
|
|
mozilla::dom::ContentChild::GetSingleton();
|
|
aInfoList[i].protoId = content->GetProtocolId();
|
|
aInfoList[i].originFd =
|
|
content->GetTransport()->GetFileDescriptor();
|
|
i++;
|
|
|
|
for (IToplevelProtocol* actor = content->GetFirstOpenedActors();
|
|
actor != nullptr;
|
|
actor = actor->getNext()) {
|
|
if (i >= aInfoListSize) {
|
|
NS_RUNTIMEABORT("Too many top level protocols!");
|
|
}
|
|
|
|
aInfoList[i].protoId = actor->GetProtocolId();
|
|
aInfoList[i].originFd =
|
|
actor->GetTransport()->GetFileDescriptor();
|
|
i++;
|
|
}
|
|
|
|
if (i > NUWA_TOPLEVEL_MAX) {
|
|
NS_RUNTIMEABORT("Too many top level protocols!");
|
|
}
|
|
*aInfoSize = i;
|
|
}
|
|
|
|
class RunAddNewIPCProcess : public nsRunnable
|
|
{
|
|
public:
|
|
RunAddNewIPCProcess(pid_t aPid,
|
|
nsTArray<mozilla::ipc::ProtocolFdMapping>& aMaps)
|
|
: mPid(aPid)
|
|
{
|
|
mMaps.SwapElements(aMaps);
|
|
}
|
|
|
|
NS_IMETHOD Run()
|
|
{
|
|
mozilla::dom::ContentChild::GetSingleton()->
|
|
SendAddNewProcess(mPid, mMaps);
|
|
|
|
MOZ_ASSERT(sNuwaForking);
|
|
sNuwaForking = false;
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
private:
|
|
pid_t mPid;
|
|
nsTArray<mozilla::ipc::ProtocolFdMapping> mMaps;
|
|
};
|
|
|
|
/**
|
|
* AddNewIPCProcess() is called by Nuwa process to tell the parent
|
|
* process that a new process is created.
|
|
*
|
|
* In the newly created process, ResetContentChildTransport() is called to
|
|
* reset fd for the IPC Channel and the session.
|
|
*/
|
|
NS_EXPORT void
|
|
AddNewIPCProcess(pid_t aPid, NuwaProtoFdInfo* aInfoList, size_t aInfoListSize)
|
|
{
|
|
nsTArray<mozilla::ipc::ProtocolFdMapping> maps;
|
|
|
|
for (size_t i = 0; i < aInfoListSize; i++) {
|
|
int _fd = aInfoList[i].newFds[NUWA_NEWFD_PARENT];
|
|
mozilla::ipc::FileDescriptor fd(_fd);
|
|
mozilla::ipc::ProtocolFdMapping map(aInfoList[i].protoId, fd);
|
|
maps.AppendElement(map);
|
|
}
|
|
|
|
nsRefPtr<RunAddNewIPCProcess> runner = new RunAddNewIPCProcess(aPid, maps);
|
|
NS_DispatchToMainThread(runner);
|
|
}
|
|
|
|
NS_EXPORT void
|
|
OnNuwaProcessReady()
|
|
{
|
|
mozilla::dom::ContentChild* content =
|
|
mozilla::dom::ContentChild::GetSingleton();
|
|
content->SendNuwaReady();
|
|
}
|
|
#endif // MOZ_NUWA_PROCESS
|
|
|
|
}
|