зеркало из https://github.com/mozilla/gecko-dev.git
132 строки
3.7 KiB
C++
132 строки
3.7 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 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 file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "nsIContentChild.h"
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#include "mozilla/dom/ContentChild.h"
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#include "mozilla/dom/DOMTypes.h"
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#include "mozilla/dom/File.h"
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#include "mozilla/dom/PermissionMessageUtils.h"
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#include "mozilla/dom/TabChild.h"
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#include "mozilla/dom/ipc/BlobChild.h"
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#include "mozilla/dom/ipc/StructuredCloneData.h"
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#include "mozilla/ipc/InputStreamUtils.h"
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#include "nsPrintfCString.h"
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#include "xpcpublic.h"
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using namespace mozilla::ipc;
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using namespace mozilla::jsipc;
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namespace mozilla {
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namespace dom {
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PJavaScriptChild*
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nsIContentChild::AllocPJavaScriptChild()
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{
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return NewJavaScriptChild(xpc::GetJSRuntime());
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}
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bool
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nsIContentChild::DeallocPJavaScriptChild(PJavaScriptChild* aChild)
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{
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ReleaseJavaScriptChild(aChild);
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return true;
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}
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PBrowserChild*
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nsIContentChild::AllocPBrowserChild(const TabId& aTabId,
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const IPCTabContext& aContext,
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const uint32_t& aChromeFlags,
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const ContentParentId& aCpID,
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const bool& aIsForApp,
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const bool& aIsForBrowser)
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{
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// We'll happily accept any kind of IPCTabContext here; we don't need to
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// check that it's of a certain type for security purposes, because we
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// believe whatever the parent process tells us.
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MaybeInvalidTabContext tc(aContext);
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if (!tc.IsValid()) {
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NS_ERROR(nsPrintfCString("Received an invalid TabContext from "
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"the parent process. (%s) Crashing...",
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tc.GetInvalidReason()).get());
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MOZ_CRASH("Invalid TabContext received from the parent process.");
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}
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RefPtr<TabChild> child =
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TabChild::Create(this, aTabId, tc.GetTabContext(), aChromeFlags);
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// The ref here is released in DeallocPBrowserChild.
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return child.forget().take();
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}
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bool
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nsIContentChild::DeallocPBrowserChild(PBrowserChild* aIframe)
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{
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TabChild* child = static_cast<TabChild*>(aIframe);
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NS_RELEASE(child);
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return true;
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}
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PBlobChild*
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nsIContentChild::AllocPBlobChild(const BlobConstructorParams& aParams)
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{
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return BlobChild::Create(this, aParams);
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}
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bool
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nsIContentChild::DeallocPBlobChild(PBlobChild* aActor)
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{
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BlobChild::Destroy(aActor);
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return true;
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}
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BlobChild*
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nsIContentChild::GetOrCreateActorForBlob(Blob* aBlob)
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{
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MOZ_ASSERT(NS_IsMainThread());
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MOZ_ASSERT(aBlob);
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RefPtr<BlobImpl> blobImpl = aBlob->Impl();
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MOZ_ASSERT(blobImpl);
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return GetOrCreateActorForBlobImpl(blobImpl);
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}
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BlobChild*
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nsIContentChild::GetOrCreateActorForBlobImpl(BlobImpl* aImpl)
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{
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MOZ_ASSERT(NS_IsMainThread());
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MOZ_ASSERT(aImpl);
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BlobChild* actor = BlobChild::GetOrCreate(this, aImpl);
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NS_ENSURE_TRUE(actor, nullptr);
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return actor;
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}
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bool
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nsIContentChild::RecvAsyncMessage(const nsString& aMsg,
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const ClonedMessageData& aData,
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InfallibleTArray<CpowEntry>&& aCpows,
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const IPC::Principal& aPrincipal)
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{
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RefPtr<nsFrameMessageManager> cpm = nsFrameMessageManager::GetChildProcessManager();
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if (cpm) {
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ipc::StructuredCloneData data;
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ipc::UnpackClonedMessageDataForChild(aData, data);
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CrossProcessCpowHolder cpows(this, aCpows);
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cpm->ReceiveMessage(static_cast<nsIContentFrameMessageManager*>(cpm.get()), nullptr,
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aMsg, false, &data, &cpows, aPrincipal, nullptr);
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}
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return true;
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}
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} // namespace dom
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} // namespace mozilla
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