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hot-step-cpp-ROCm/engine/vendor/vst3sdk/public.sdk/source/vst/interappaudio/HostApp.mm
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2026-08-16 18:24:52 +07:00

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//-----------------------------------------------------------------------------
// Project : VST SDK
//
// Category : Helpers
// Filename : public.sdk/source/vst/interappaudio/HostApp.mm
// Created by : Steinberg, 08/2013.
// Description : VST 3 InterAppAudio
// Flags : clang-format SMTGSequencer
//
//-----------------------------------------------------------------------------
// This file is part of a Steinberg SDK. It is subject to the license terms
// in the LICENSE file found in the top-level directory of this distribution
// and at www.steinberg.net/sdklicenses.
// No part of the SDK, including this file, may be copied, modified, propagated,
// or distributed except according to the terms contained in the LICENSE file.
//-----------------------------------------------------------------------------
#import "HostApp.h"
#import "AudioIO.h"
#import "PresetManager.h"
#import "SettingsViewController.h"
#import "VST3Plugin.h"
#import "base/source/updatehandler.h"
#import "pluginterfaces/gui/iplugview.h"
namespace Steinberg {
namespace Vst {
namespace InterAppAudio {
//------------------------------------------------------------------------
InterAppAudioHostApp* InterAppAudioHostApp::instance ()
{
static InterAppAudioHostApp gInstance;
return &gInstance;
}
//-----------------------------------------------------------------------------
InterAppAudioHostApp::InterAppAudioHostApp () = default;
//-----------------------------------------------------------------------------
void InterAppAudioHostApp::setPlugin (VST3Plugin* plugin)
{
this->plugin = plugin;
}
//-----------------------------------------------------------------------------
tresult PLUGIN_API InterAppAudioHostApp::getName (String128 name)
{
String str ("InterAppAudioHost");
str.copyTo (name, 0, 127);
return kResultTrue;
}
//-----------------------------------------------------------------------------
tresult PLUGIN_API InterAppAudioHostApp::getScreenSize (ViewRect* size, float* scale)
{
if (size)
{
UIScreen* screen = [UIScreen mainScreen];
CGSize s = [screen currentMode].size;
UIWindow* window = [[[UIApplication sharedApplication] windows] objectAtIndex:0];
if (window)
{
NSArray* subViews = [window subviews];
if ([subViews count] == 1)
{
s = [[subViews objectAtIndex:0] bounds].size;
}
}
size->left = 0;
size->top = 0;
size->right = s.width;
size->bottom = s.height;
if (scale)
{
*scale = screen.scale;
}
return kResultTrue;
}
return kInvalidArgument;
}
//-----------------------------------------------------------------------------
tresult PLUGIN_API InterAppAudioHostApp::connectedToHost ()
{
return AudioIO::instance ()->getInterAppAudioConnected () ? kResultTrue : kResultFalse;
}
//-----------------------------------------------------------------------------
tresult PLUGIN_API InterAppAudioHostApp::switchToHost ()
{
return AudioIO::instance ()->switchToHost () ? kResultTrue : kResultFalse;
}
//-----------------------------------------------------------------------------
tresult PLUGIN_API InterAppAudioHostApp::sendRemoteControlEvent (uint32 event)
{
return AudioIO::instance ()->sendRemoteControlEvent (
static_cast<AudioUnitRemoteControlEvent> (event)) ?
kResultTrue :
kResultFalse;
}
//-----------------------------------------------------------------------------
tresult PLUGIN_API InterAppAudioHostApp::getHostIcon (void** icon)
{
if (icon)
{
UIImage* hostIcon = AudioIO::instance ()->getHostIcon ();
if (hostIcon)
{
CGImageRef cgImage = [hostIcon CGImage];
if (cgImage)
{
*icon = cgImage;
return kResultTrue;
}
}
return kNotImplemented;
}
return kInvalidArgument;
}
//-----------------------------------------------------------------------------
tresult PLUGIN_API InterAppAudioHostApp::scheduleEventFromUI (Event& event)
{
if (plugin)
{
return plugin->scheduleEventFromUI (event);
}
return kNotInitialized;
}
//-----------------------------------------------------------------------------
IInterAppAudioPresetManager* PLUGIN_API InterAppAudioHostApp::createPresetManager (const TUID& cid)
{
return plugin ? new PresetManager (plugin, cid) : nullptr;
}
//-----------------------------------------------------------------------------
tresult PLUGIN_API InterAppAudioHostApp::showSettingsView ()
{
showIOSettings ();
return kResultTrue;
}
}
}
}