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import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo
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Roy Tam
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188
dom/plugins/ipc/PluginAsyncSurrogate.h
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188
dom/plugins/ipc/PluginAsyncSurrogate.h
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/* -*- 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
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef dom_plugins_ipc_PluginAsyncSurrogate_h
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#define dom_plugins_ipc_PluginAsyncSurrogate_h
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#include "mozilla/UniquePtr.h"
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#include "npapi.h"
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#include "npfunctions.h"
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#include "npruntime.h"
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#include "nsISupportsImpl.h"
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#include "nsPluginHost.h"
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#include "nsString.h"
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#include "nsTArray.h"
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#include "PluginDataResolver.h"
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namespace mozilla {
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namespace plugins {
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struct ParentNPObject;
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class PluginInstanceParent;
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class PluginModuleParent;
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class PluginAsyncSurrogate : public PluginDataResolver
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{
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public:
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NS_INLINE_DECL_REFCOUNTING(PluginAsyncSurrogate)
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bool Init(NPMIMEType aPluginType, NPP aInstance, uint16_t aMode,
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int16_t aArgc, char* aArgn[], char* aArgv[]);
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nsresult NPP_New(NPError* aError);
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NPError NPP_Destroy(NPSavedData** aSave);
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NPError NPP_GetValue(NPPVariable aVariable, void* aRetval);
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NPError NPP_SetValue(NPNVariable aVariable, void* aValue);
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NPError NPP_NewStream(NPMIMEType aType, NPStream* aStream, NPBool aSeekable,
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uint16_t* aStype);
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NPError NPP_SetWindow(NPWindow* aWindow);
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nsresult AsyncSetWindow(NPWindow* aWindow);
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void NPP_Print(NPPrint* aPrintInfo);
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int16_t NPP_HandleEvent(void* aEvent);
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int32_t NPP_WriteReady(NPStream* aStream);
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NPError NPP_DestroyStream(NPStream* aStream, NPReason aReason);
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void OnInstanceCreated(PluginInstanceParent* aInstance);
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static bool Create(PluginModuleParent* aParent, NPMIMEType aPluginType,
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NPP aInstance, uint16_t aMode, int16_t aArgc,
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char* aArgn[], char* aArgv[]);
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static const NPClass* GetClass() { return &sNPClass; }
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static void NP_GetEntryPoints(NPPluginFuncs* aFuncs);
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static PluginAsyncSurrogate* Cast(NPP aInstance);
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static void NotifyDestroyPending(NPP aInstance);
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void NotifyDestroyPending();
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virtual PluginAsyncSurrogate*
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GetAsyncSurrogate() { return this; }
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virtual PluginInstanceParent*
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GetInstance() { return nullptr; }
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NPP GetNPP();
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bool GetPropertyHelper(NPObject* aObject, NPIdentifier aName,
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bool* aHasProperty, bool* aHasMethod,
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NPVariant* aResult);
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PluginModuleParent* GetParent() { return mParent; }
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bool IsDestroyPending() const { return mDestroyPending; }
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bool SetAcceptingCalls(bool aAccept)
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{
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bool prevState = mAcceptCalls;
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if (mInstantiated) {
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aAccept = true;
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}
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mAcceptCalls = aAccept;
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return prevState;
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}
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void AsyncCallDeparting();
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void AsyncCallArriving();
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void NotifyAsyncInitFailed();
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void DestroyAsyncStream(NPStream* aStream);
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private:
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explicit PluginAsyncSurrogate(PluginModuleParent* aParent);
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virtual ~PluginAsyncSurrogate();
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bool WaitForInit();
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static bool SetStreamType(NPStream* aStream, uint16_t aStreamType);
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static NPError NPP_Destroy(NPP aInstance, NPSavedData** aSave);
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static NPError NPP_GetValue(NPP aInstance, NPPVariable aVariable, void* aRetval);
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static NPError NPP_SetValue(NPP aInstance, NPNVariable aVariable, void* aValue);
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static NPError NPP_NewStream(NPP aInstance, NPMIMEType aType, NPStream* aStream,
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NPBool aSeekable, uint16_t* aStype);
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static NPError NPP_SetWindow(NPP aInstance, NPWindow* aWindow);
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static void NPP_Print(NPP aInstance, NPPrint* aPrintInfo);
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static int16_t NPP_HandleEvent(NPP aInstance, void* aEvent);
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static int32_t NPP_WriteReady(NPP aInstance, NPStream* aStream);
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static NPError NPP_DestroyStream(NPP aInstance, NPStream* aStream,
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NPReason aReason);
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static NPObject* ScriptableAllocate(NPP aInstance, NPClass* aClass);
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static void ScriptableInvalidate(NPObject* aObject);
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static void ScriptableDeallocate(NPObject* aObject);
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static bool ScriptableHasMethod(NPObject* aObject, NPIdentifier aName);
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static bool ScriptableInvoke(NPObject* aObject, NPIdentifier aName,
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const NPVariant* aArgs, uint32_t aArgCount,
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NPVariant* aResult);
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static bool ScriptableInvokeDefault(NPObject* aObject, const NPVariant* aArgs,
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uint32_t aArgCount, NPVariant* aResult);
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static bool ScriptableHasProperty(NPObject* aObject, NPIdentifier aName);
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static bool ScriptableGetProperty(NPObject* aObject, NPIdentifier aName,
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NPVariant* aResult);
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static bool ScriptableSetProperty(NPObject* aObject, NPIdentifier aName,
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const NPVariant* aValue);
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static bool ScriptableRemoveProperty(NPObject* aObject, NPIdentifier aName);
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static bool ScriptableEnumerate(NPObject* aObject, NPIdentifier** aIdentifiers,
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uint32_t* aCount);
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static bool ScriptableConstruct(NPObject* aObject, const NPVariant* aArgs,
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uint32_t aArgCount, NPVariant* aResult);
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static nsNPAPIPluginStreamListener* GetStreamListener(NPStream* aStream);
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private:
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struct PendingNewStreamCall
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{
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PendingNewStreamCall(NPMIMEType aType, NPStream* aStream, NPBool aSeekable);
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~PendingNewStreamCall() {}
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nsCString mType;
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NPStream* mStream;
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NPBool mSeekable;
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};
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private:
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PluginModuleParent* mParent;
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// These values are used to construct the plugin instance
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nsCString mMimeType;
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mozilla::WeakPtr<nsNPAPIPluginInstance> mInstance;
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uint16_t mMode;
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InfallibleTArray<nsCString> mNames;
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InfallibleTArray<nsCString> mValues;
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// This is safe to store as a pointer because the spec says it will remain
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// valid until destruction or a subsequent NPP_SetWindow call.
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NPWindow* mWindow;
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nsTArray<PendingNewStreamCall> mPendingNewStreamCalls;
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UniquePtr<PluginDestructionGuard> mPluginDestructionGuard;
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bool mAcceptCalls;
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bool mInstantiated;
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bool mAsyncSetWindow;
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bool mInitCancelled;
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bool mDestroyPending;
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int32_t mAsyncCallsInFlight;
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static const NPClass sNPClass;
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};
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struct AsyncNPObject : NPObject
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{
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explicit AsyncNPObject(PluginAsyncSurrogate* aSurrogate);
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~AsyncNPObject();
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NPObject* GetRealObject();
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RefPtr<PluginAsyncSurrogate> mSurrogate;
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ParentNPObject* mRealObject;
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};
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class MOZ_STACK_CLASS PushSurrogateAcceptCalls
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{
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public:
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explicit PushSurrogateAcceptCalls(PluginInstanceParent* aInstance);
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~PushSurrogateAcceptCalls();
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private:
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PluginAsyncSurrogate* mSurrogate;
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bool mPrevAcceptCallsState;
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};
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} // namespace plugins
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} // namespace mozilla
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#endif // dom_plugins_ipc_PluginAsyncSurrogate_h
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