osci-render/Source/CustomStandalone.cpp

/*
  ==============================================================================

   This file is part of the JUCE framework.
   Copyright (c) Raw Material Software Limited

   JUCE is an open source framework subject to commercial or open source
   licensing.

   By downloading, installing, or using the JUCE framework, or combining the
   JUCE framework with any other source code, object code, content or any other
   copyrightable work, you agree to the terms of the JUCE End User Licence
   Agreement, and all incorporated terms including the JUCE Privacy Policy and
   the JUCE Website Terms of Service, as applicable, which will bind you. If you
   do not agree to the terms of these agreements, we will not license the JUCE
   framework to you, and you must discontinue the installation or download
   process and cease use of the JUCE framework.

   JUCE End User Licence Agreement: https://juce.com/legal/juce-8-licence/
   JUCE Privacy Policy: https://juce.com/juce-privacy-policy
   JUCE Website Terms of Service: https://juce.com/juce-website-terms-of-service/

   Or:

   You may also use this code under the terms of the AGPLv3:
   https://www.gnu.org/licenses/agpl-3.0.en.html

   THE JUCE FRAMEWORK IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL
   WARRANTIES, WHETHER EXPRESSED OR IMPLIED, INCLUDING WARRANTY OF
   MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, ARE DISCLAIMED.

  ==============================================================================
*/

#include <juce_core/system/juce_TargetPlatform.h>

#if JucePlugin_Build_Standalone

#if ! JUCE_MODULE_AVAILABLE_juce_audio_utils
 #error To compile AudioUnitv3 and/or Standalone plug-ins, you need to add the juce_audio_utils and juce_audio_devices modules!
#endif

#include <juce_core/system/juce_TargetPlatform.h>
#include <juce_audio_plugin_client/detail/juce_CheckSettingMacros.h>

#include <juce_audio_plugin_client/detail/juce_IncludeSystemHeaders.h>
#include <juce_audio_plugin_client/detail/juce_IncludeModuleHeaders.h>
#include <juce_gui_basics/native/juce_WindowsHooks_windows.h>
#include <juce_audio_plugin_client/detail/juce_PluginUtilities.h>

#include <juce_audio_devices/juce_audio_devices.h>
#include <juce_gui_extra/juce_gui_extra.h>
#include <juce_audio_utils/juce_audio_utils.h>

// You can set this flag in your build if you need to specify a different
// standalone JUCEApplication class for your app to use. If you don't
// set it then by default we'll just create a simple one as below.
#if JUCE_USE_CUSTOM_PLUGIN_STANDALONE_APP

// #include <juce_audio_plugin_client/Standalone/juce_StandaloneFilterWindow.h>
#include "CustomStandaloneFilterWindow.h"

namespace juce
{

//==============================================================================
class CustomStandaloneFilterApp final : public JUCEApplication
{
public:
    CustomStandaloneFilterApp()
    {
        PropertiesFile::Options options;

        options.applicationName     = CharPointer_UTF8 (JucePlugin_Name);
        options.filenameSuffix      = ".settings";
        options.osxLibrarySubFolder = "Application Support";
       #if JUCE_LINUX || JUCE_BSD
        options.folderName          = "~/.config";
       #else
        options.folderName          = "";
       #endif

        appProperties.setStorageParameters (options);
    }

    const String getApplicationName() override              { return CharPointer_UTF8 (JucePlugin_Name); }
    const String getApplicationVersion() override           { return JucePlugin_VersionString; }
    bool moreThanOneInstanceAllowed() override              { return true; }
    void anotherInstanceStarted (const String& commandLine) override
    {
        if (mainWindow != nullptr)
        {
            mainWindow->toFront(true);
            
            if (mainWindow->pluginHolder != nullptr && mainWindow->pluginHolder->commandLineCallback != nullptr) {
                mainWindow->pluginHolder->commandLineCallback(commandLine);
            }
        }
    }

    virtual StandaloneFilterWindow* createWindow(const String& commandLine)
    {
        if (Desktop::getInstance().getDisplays().displays.isEmpty())
        {
            // No displays are available, so no window will be created!
            jassertfalse;
            return nullptr;
        }

        return new StandaloneFilterWindow (getApplicationName(),
                                           LookAndFeel::getDefaultLookAndFeel().findColour (ResizableWindow::backgroundColourId),
                                           createPluginHolder(commandLine));
    }

    virtual std::unique_ptr<StandalonePluginHolder> createPluginHolder(const String& commandLine)
    {
        constexpr auto autoOpenMidiDevices =
       #if (JUCE_ANDROID || JUCE_IOS) && ! JUCE_DONT_AUTO_OPEN_MIDI_DEVICES_ON_MOBILE
                true;
       #else
                false;
       #endif


       #ifdef JucePlugin_PreferredChannelConfigurations
        constexpr StandalonePluginHolder::PluginInOuts channels[] { JucePlugin_PreferredChannelConfigurations };
        const Array<StandalonePluginHolder::PluginInOuts> channelConfig (channels, juce::numElementsInArray (channels));
       #else
        const Array<StandalonePluginHolder::PluginInOuts> channelConfig;
       #endif

        return std::make_unique<StandalonePluginHolder> (appProperties.getUserSettings(),
                                                         commandLine,
                                                         false,
                                                         String{},
                                                         nullptr,
                                                         channelConfig,
                                                         autoOpenMidiDevices);
    }

    //==============================================================================
    void initialise (const String& commandLine) override
    {
        mainWindow = rawToUniquePtr(createWindow(commandLine));

        if (mainWindow != nullptr)
        {
           #if JUCE_STANDALONE_FILTER_WINDOW_USE_KIOSK_MODE
            Desktop::getInstance().setKioskModeComponent (mainWindow.get(), false);
           #endif

            mainWindow->setVisible (true);
        }
        else
        {
            pluginHolder = createPluginHolder(commandLine);
        }
    }

    void shutdown() override
    {
        pluginHolder = nullptr;
        mainWindow = nullptr;
        appProperties.saveIfNeeded();
    }

    //==============================================================================
    void systemRequestedQuit() override
    {
        if (pluginHolder != nullptr)
            pluginHolder->savePluginState();

        if (mainWindow != nullptr)
            mainWindow->pluginHolder->savePluginState();

        if (ModalComponentManager::getInstance()->cancelAllModalComponents())
        {
            Timer::callAfterDelay (100, []()
            {
                if (auto app = JUCEApplicationBase::getInstance())
                    app->systemRequestedQuit();
            });
        }
        else
        {
            quit();
        }
    }

protected:
    ApplicationProperties appProperties;
    std::unique_ptr<StandaloneFilterWindow> mainWindow;

private:
    std::unique_ptr<StandalonePluginHolder> pluginHolder;
};

} // namespace juce

#if JucePlugin_Build_Standalone && JUCE_IOS

JUCE_BEGIN_IGNORE_WARNINGS_GCC_LIKE ("-Wmissing-prototypes")

using namespace juce;

bool JUCE_CALLTYPE juce_isInterAppAudioConnected()
{
    if (auto holder = StandalonePluginHolder::getInstance())
        return holder->isInterAppAudioConnected();

    return false;
}

void JUCE_CALLTYPE juce_switchToHostApplication()
{
    if (auto holder = StandalonePluginHolder::getInstance())
        holder->switchToHostApplication();
}

Image JUCE_CALLTYPE juce_getIAAHostIcon (int size)
{
    if (auto holder = StandalonePluginHolder::getInstance())
        return holder->getIAAHostIcon (size);

    return Image();
}

JUCE_END_IGNORE_WARNINGS_GCC_LIKE

#endif

#endif

#if JUCE_USE_CUSTOM_PLUGIN_STANDALONE_APP
 // extern juce::JUCEApplicationBase* juce_CreateApplication();
 JUCE_CREATE_APPLICATION_DEFINE (juce::CustomStandaloneFilterApp)

 #if JUCE_IOS
  extern void* juce_GetIOSCustomDelegateClass();
 #endif

#else
 JUCE_CREATE_APPLICATION_DEFINE (juce::CustomStandaloneFilterApp)
#endif

#if ! JUCE_USE_CUSTOM_PLUGIN_STANDALONE_ENTRYPOINT
 // JUCE_MAIN_FUNCTION_DEFINITION
#endif

#endif