1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/dom/plugins/ipc/PluginIdentifierParent.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,89 @@
1.4 +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
1.5 + * vim: sw=2 ts=2 et :
1.6 + * This Source Code Form is subject to the terms of the Mozilla Public
1.7 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.8 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.9 +
1.10 +#ifndef dom_plugins_PluginIdentifierParent_h
1.11 +#define dom_plugins_PluginIdentifierParent_h
1.12 +
1.13 +#include "mozilla/plugins/PPluginIdentifierParent.h"
1.14 +
1.15 +#include "npapi.h"
1.16 +#include "npruntime.h"
1.17 +
1.18 +namespace mozilla {
1.19 +namespace plugins {
1.20 +
1.21 +class PluginInstanceParent;
1.22 +
1.23 +class PluginIdentifierParent : public PPluginIdentifierParent
1.24 +{
1.25 + friend class PluginModuleParent;
1.26 +
1.27 +public:
1.28 + NPIdentifier ToNPIdentifier()
1.29 + {
1.30 + return mIdentifier;
1.31 + }
1.32 +
1.33 + bool IsTemporary() {
1.34 + return !!mTemporaryRefs;
1.35 + }
1.36 +
1.37 + /**
1.38 + * Holds a perhaps-temporary identifier for the current stack frame.
1.39 + */
1.40 + class MOZ_STACK_CLASS StackIdentifier
1.41 + {
1.42 + public:
1.43 + StackIdentifier(PluginInstanceParent* inst, NPIdentifier aIdentifier);
1.44 + StackIdentifier(NPObject* aObject, NPIdentifier aIdentifier);
1.45 + ~StackIdentifier();
1.46 +
1.47 + operator PluginIdentifierParent*() {
1.48 + return mIdentifier;
1.49 + }
1.50 +
1.51 + private:
1.52 + DISALLOW_COPY_AND_ASSIGN(StackIdentifier);
1.53 +
1.54 + PluginIdentifierParent* mIdentifier;
1.55 + };
1.56 +
1.57 +protected:
1.58 + PluginIdentifierParent(NPIdentifier aIdentifier, bool aTemporary)
1.59 + : mIdentifier(aIdentifier)
1.60 + , mTemporaryRefs(aTemporary ? 1 : 0)
1.61 + {
1.62 + MOZ_COUNT_CTOR(PluginIdentifierParent);
1.63 + }
1.64 +
1.65 + virtual ~PluginIdentifierParent()
1.66 + {
1.67 + MOZ_COUNT_DTOR(PluginIdentifierParent);
1.68 + }
1.69 +
1.70 + virtual bool RecvRetain() MOZ_OVERRIDE;
1.71 +
1.72 + void AddTemporaryRef() {
1.73 + mTemporaryRefs++;
1.74 + }
1.75 +
1.76 + /**
1.77 + * @returns true if the last temporary reference was removed.
1.78 + */
1.79 + bool RemoveTemporaryRef() {
1.80 + --mTemporaryRefs;
1.81 + return !mTemporaryRefs;
1.82 + }
1.83 +
1.84 +private:
1.85 + NPIdentifier mIdentifier;
1.86 + unsigned int mTemporaryRefs;
1.87 +};
1.88 +
1.89 +} // namespace plugins
1.90 +} // namespace mozilla
1.91 +
1.92 +#endif // dom_plugins_PluginIdentifierParent_h
