1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/dom/plugins/ipc/COMMessageFilter.cpp Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,84 @@
1.4 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.5 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.6 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.7 +
1.8 +#include "base/basictypes.h"
1.9 +
1.10 +#include "COMMessageFilter.h"
1.11 +#include "base/message_loop.h"
1.12 +#include "mozilla/plugins/PluginModuleChild.h"
1.13 +
1.14 +#include <stdio.h>
1.15 +
1.16 +namespace mozilla {
1.17 +namespace plugins {
1.18 +
1.19 +HRESULT
1.20 +COMMessageFilter::QueryInterface(REFIID riid, void** ppv)
1.21 +{
1.22 + if (riid == IID_IUnknown || riid == IID_IMessageFilter) {
1.23 + *ppv = static_cast<IMessageFilter*>(this);
1.24 + AddRef();
1.25 + return S_OK;
1.26 + }
1.27 + return E_NOINTERFACE;
1.28 +}
1.29 +
1.30 +DWORD COMMessageFilter::AddRef()
1.31 +{
1.32 + ++mRefCnt;
1.33 + return mRefCnt;
1.34 +}
1.35 +
1.36 +DWORD COMMessageFilter::Release()
1.37 +{
1.38 + DWORD r = --mRefCnt;
1.39 + if (0 == r)
1.40 + delete this;
1.41 + return r;
1.42 +}
1.43 +
1.44 +DWORD
1.45 +COMMessageFilter::HandleInComingCall(DWORD dwCallType,
1.46 + HTASK htaskCaller,
1.47 + DWORD dwTickCount,
1.48 + LPINTERFACEINFO lpInterfaceInfo)
1.49 +{
1.50 + if (mPreviousFilter)
1.51 + return mPreviousFilter->HandleInComingCall(dwCallType, htaskCaller,
1.52 + dwTickCount, lpInterfaceInfo);
1.53 + return SERVERCALL_ISHANDLED;
1.54 +}
1.55 +
1.56 +DWORD
1.57 +COMMessageFilter::RetryRejectedCall(HTASK htaskCallee,
1.58 + DWORD dwTickCount,
1.59 + DWORD dwRejectType)
1.60 +{
1.61 + if (mPreviousFilter)
1.62 + return mPreviousFilter->RetryRejectedCall(htaskCallee, dwTickCount,
1.63 + dwRejectType);
1.64 + return -1;
1.65 +}
1.66 +
1.67 +DWORD
1.68 +COMMessageFilter::MessagePending(HTASK htaskCallee,
1.69 + DWORD dwTickCount,
1.70 + DWORD dwPendingType)
1.71 +{
1.72 + mPlugin->FlushPendingInterruptQueue();
1.73 + if (mPreviousFilter)
1.74 + return mPreviousFilter->MessagePending(htaskCallee, dwTickCount,
1.75 + dwPendingType);
1.76 + return PENDINGMSG_WAITNOPROCESS;
1.77 +}
1.78 +
1.79 +void
1.80 +COMMessageFilter::Initialize(PluginModuleChild* module)
1.81 +{
1.82 + nsRefPtr<COMMessageFilter> f = new COMMessageFilter(module);
1.83 + ::CoRegisterMessageFilter(f, getter_AddRefs(f->mPreviousFilter));
1.84 +}
1.85 +
1.86 +} // namespace plugins
1.87 +} // namespace mozilla
