The Tor Browser: dom/plugins/ipc/COMMessageFilter.cpp@b8a032363ba2

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

     1 /* This Source Code Form is subject to the terms of the Mozilla Public

     2  * License, v. 2.0. If a copy of the MPL was not distributed with this

     3  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

     5 #include "base/basictypes.h"

     7 #include "COMMessageFilter.h"

     8 #include "base/message_loop.h"

     9 #include "mozilla/plugins/PluginModuleChild.h"

    11 #include <stdio.h>

    13 namespace mozilla {

    14 namespace plugins {

    16 HRESULT

    17 COMMessageFilter::QueryInterface(REFIID riid, void** ppv)

    18 {

    19   if (riid == IID_IUnknown || riid == IID_IMessageFilter) {

    20     *ppv = static_cast<IMessageFilter*>(this);

    21     AddRef();

    22     return S_OK;

    23   }

    24   return E_NOINTERFACE;

    25 }

    27 DWORD COMMessageFilter::AddRef()

    28 {

    29   ++mRefCnt;

    30   return mRefCnt;

    31 }

    33 DWORD COMMessageFilter::Release()

    34 {

    35   DWORD r = --mRefCnt;

    36   if (0 == r)

    37     delete this;

    38   return r;

    39 }

    41 DWORD

    42 COMMessageFilter::HandleInComingCall(DWORD dwCallType,

    43 				     HTASK htaskCaller,

    44 				     DWORD dwTickCount,

    45 				     LPINTERFACEINFO lpInterfaceInfo)

    46 {

    47   if (mPreviousFilter)

    48     return mPreviousFilter->HandleInComingCall(dwCallType, htaskCaller,

    49 					       dwTickCount, lpInterfaceInfo);

    50   return SERVERCALL_ISHANDLED;

    51 }

    53 DWORD

    54 COMMessageFilter::RetryRejectedCall(HTASK htaskCallee,

    55 				    DWORD dwTickCount,

    56 				    DWORD dwRejectType)

    57 {

    58   if (mPreviousFilter)

    59     return mPreviousFilter->RetryRejectedCall(htaskCallee, dwTickCount,

    60 					      dwRejectType);

    61   return -1;

    62 }

    64 DWORD

    65 COMMessageFilter::MessagePending(HTASK htaskCallee,

    66 				 DWORD dwTickCount,

    67 				 DWORD dwPendingType)

    68 {

    69   mPlugin->FlushPendingInterruptQueue();

    70   if (mPreviousFilter)

    71     return mPreviousFilter->MessagePending(htaskCallee, dwTickCount,

    72 					   dwPendingType);

    73   return PENDINGMSG_WAITNOPROCESS;

    74 }

    76 void

    77 COMMessageFilter::Initialize(PluginModuleChild* module)

    78 {

    79   nsRefPtr<COMMessageFilter> f = new COMMessageFilter(module);

    80   ::CoRegisterMessageFilter(f, getter_AddRefs(f->mPreviousFilter));

    81 }

    83 } // namespace plugins

    84 } // namespace mozilla

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