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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /ipc/mscom/MainThreadHandoff.h
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
Diffstat (limited to 'ipc/mscom/MainThreadHandoff.h')
-rw-r--r--ipc/mscom/MainThreadHandoff.h71
1 files changed, 71 insertions, 0 deletions
diff --git a/ipc/mscom/MainThreadHandoff.h b/ipc/mscom/MainThreadHandoff.h
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+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef mozilla_mscom_MainThreadHandoff_h
+#define mozilla_mscom_MainThreadHandoff_h
+
+#include "mozilla/Assertions.h"
+#include "mozilla/Move.h"
+#include "mozilla/mscom/Interceptor.h"
+#include "mozilla/mscom/MainThreadInvoker.h"
+#include "mozilla/mscom/Utils.h"
+#include "mozilla/Mutex.h"
+#include "nsTArray.h"
+
+namespace mozilla {
+namespace mscom {
+
+struct ArrayData;
+
+class MainThreadHandoff final : public IInterceptorSink
+ , public ICallFrameWalker
+{
+public:
+ static HRESULT Create(IInterceptorSink** aOutput);
+
+ template <typename Interface>
+ static HRESULT WrapInterface(STAUniquePtr<Interface> aTargetInterface,
+ Interface** aOutInterface)
+ {
+ MOZ_ASSERT(!IsProxy(aTargetInterface.get()));
+ RefPtr<IInterceptorSink> handoff;
+ HRESULT hr = MainThreadHandoff::Create(getter_AddRefs(handoff));
+ if (FAILED(hr)) {
+ return hr;
+ }
+ return CreateInterceptor(Move(aTargetInterface), handoff, aOutInterface);
+ }
+
+ // IUnknown
+ STDMETHODIMP QueryInterface(REFIID riid, void** ppv) override;
+ STDMETHODIMP_(ULONG) AddRef() override;
+ STDMETHODIMP_(ULONG) Release() override;
+
+ // ICallFrameEvents
+ STDMETHODIMP OnCall(ICallFrame* aFrame) override;
+
+ // IInterceptorSink
+ STDMETHODIMP SetInterceptor(IWeakReference* aInterceptor) override;
+
+ // ICallFrameWalker
+ STDMETHODIMP OnWalkInterface(REFIID aIid, PVOID* aInterface, BOOL aIsInParam,
+ BOOL aIsOutParam) override;
+
+private:
+ MainThreadHandoff();
+ ~MainThreadHandoff();
+ HRESULT FixArrayElements(ICallFrame* aFrame,
+ const ArrayData& aArrayData);
+
+private:
+ ULONG mRefCnt;
+ RefPtr<IWeakReference> mInterceptor;
+};
+
+} // namespace mscom
+} // namespace mozilla
+
+#endif // mozilla_mscom_MainThreadHandoff_h