108 lines
3.5 KiB
C++
108 lines
3.5 KiB
C++
//-----------------------------------------------------------------------------
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// Project : VST SDK
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//
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// Category : Helpers
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// Filename : public.sdk/source/vst/hosting/plugprovider.h
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// Created by : Steinberg, 04/2005
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// Description : VST 3 Plug-in Provider class
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//
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//-----------------------------------------------------------------------------
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// This file is part of a Steinberg SDK. It is subject to the license terms
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// in the LICENSE file found in the top-level directory of this distribution
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// and at www.steinberg.net/sdklicenses.
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// No part of the SDK, including this file, may be copied, modified, propagated,
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// or distributed except according to the terms contained in the LICENSE file.
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//-----------------------------------------------------------------------------
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#pragma once
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#include "public.sdk/source/vst/hosting/module.h"
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#include "pluginterfaces/vst/ivsttestplugprovider.h"
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#include "pluginterfaces/base/funknownimpl.h"
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#include <ostream>
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namespace Steinberg {
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namespace Vst {
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class IComponent;
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class IEditController;
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class ConnectionProxy;
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//------------------------------------------------------------------------
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/** Helper for creating and initializing component.
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\ingroup Validator */
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//------------------------------------------------------------------------
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class PlugProvider
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: public U::Implements<U::Directly<ITestPlugProvider2>, U::Indirectly<ITestPlugProvider>>
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{
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public:
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using ClassInfo = VST3::Hosting::ClassInfo;
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using PluginFactory = VST3::Hosting::PluginFactory;
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//--- ---------------------------------------------------------------------
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PlugProvider (const PluginFactory& factory, ClassInfo info, bool plugIsGlobal = true);
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~PlugProvider () override;
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bool initialize ();
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IPtr<IComponent> getComponentPtr () const { return component; }
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IPtr<IEditController> getControllerPtr () const { return controller; }
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const ClassInfo& getClassInfo () const { return classInfo; }
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//--- from ITestPlugProvider ------------------
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IComponent* PLUGIN_API getComponent () SMTG_OVERRIDE;
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IEditController* PLUGIN_API getController () SMTG_OVERRIDE;
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tresult PLUGIN_API releasePlugIn (IComponent* component, IEditController* controller) SMTG_OVERRIDE;
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tresult PLUGIN_API getSubCategories (IStringResult& result) const SMTG_OVERRIDE
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{
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result.setText (classInfo.subCategoriesString ().data ());
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return kResultTrue;
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}
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tresult PLUGIN_API getComponentUID (FUID& uid) const SMTG_OVERRIDE;
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//--- from ITestPlugProvider2 ------------------
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IPluginFactory* PLUGIN_API getPluginFactory () SMTG_OVERRIDE;
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static void setErrorStream (std::ostream* stream);
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//------------------------------------------------------------------------
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protected:
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bool setupPlugin (FUnknown* hostContext);
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bool connectComponents ();
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bool disconnectComponents ();
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void terminatePlugin ();
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template<typename Proc>
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void printError (Proc p) const;
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PluginFactory factory;
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IPtr<IComponent> component;
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IPtr<IEditController> controller;
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ClassInfo classInfo;
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IPtr<ConnectionProxy> componentCP;
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IPtr<ConnectionProxy> controllerCP;
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bool plugIsGlobal;
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};
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//------------------------------------------------------------------------
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class PluginContextFactory
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{
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public:
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static PluginContextFactory& instance ()
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{
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static PluginContextFactory factory;
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return factory;
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}
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void setPluginContext (FUnknown* obj) { context = obj; }
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FUnknown* getPluginContext () const { return context; }
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private:
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FUnknown* context;
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};
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//------------------------------------------------------------------------
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} // Vst
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} // Steinberg
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