git subrepo clone (merge) https://github.com/free-audio/clap-helpers.git deps/clap-juce-extensions/clap-libs/clap-helpers

subrepo:
  subdir:   "deps/clap-juce-extensions/clap-libs/clap-helpers"
  merged:   "2bb43c187"
upstream:
  origin:   "https://github.com/free-audio/clap-helpers.git"
  branch:   "main"
  commit:   "2bb43c187"
git-subrepo:
  version:  "0.4.3"
  origin:   "https://github.com/ingydotnet/git-subrepo.git"
  commit:   "2f68596"

deps/clap-juce-extensions/clap-libs/clap-helpers/include/clap/helpers/host-proxy.hh

@@ -0,0 +1,170 @@
+#pragma once
+
+#include <string>
+
+#include <clap/clap.h>
+
+#include "checking-level.hh"
+#include "misbehaviour-handler.hh"
+
+namespace clap { namespace helpers {
+   template <MisbehaviourHandler h, CheckingLevel l>
+   class HostProxy {
+   public:
+      HostProxy(const clap_host *host);
+
+      void init();
+
+      ///////////////
+      // clap_host //
+      ///////////////
+      template <typename T>
+      void getExtension(const T *&ptr, const char *id) noexcept;
+      void requestCallback() noexcept;
+      void requestRestart() noexcept;
+      void requestProcess() noexcept;
+
+      ///////////////////
+      // clap_host_log //
+      ///////////////////
+      bool canUseHostLog() const noexcept;
+      void log(clap_log_severity severity, const char *msg) const noexcept;
+      void hostMisbehaving(const char *msg) const noexcept;
+      void hostMisbehaving(const std::string &msg) const noexcept { hostMisbehaving(msg.c_str()); }
+      void pluginMisbehaving(const char *msg) const noexcept;
+      void pluginMisbehaving(const std::string &msg) const noexcept {
+         pluginMisbehaving(msg.c_str());
+      }
+
+      ////////////////////////////
+      // clap_host_thread_check //
+      ////////////////////////////
+      bool canUseThreadCheck() const noexcept;
+      bool isMainThread() const noexcept;
+      bool isAudioThread() const noexcept;
+
+      //////////////////////////////////
+      // clap_host_audio_ports_config //
+      //////////////////////////////////
+      bool canUseAudioPortsConfig() const noexcept;
+      void audioPortsConfigRescan() const noexcept;
+
+      ///////////////////////////
+      // clap_host_audio_ports //
+      ///////////////////////////
+      bool canUseAudioPorts() const noexcept;
+      void audioPortsRescan(uint32_t flags) const noexcept;
+
+      //////////////////////////
+      // clap_host_note_ports //
+      //////////////////////////
+      bool canUseNotePorts() const noexcept;
+      void notePortsRescan(uint32_t flags) const noexcept;
+
+      /////////////////////
+      // clap_host_state //
+      /////////////////////
+      bool canUseState() const noexcept;
+      void stateMarkDirty() const noexcept;
+
+      ///////////////////////
+      // clap_host_latency //
+      ///////////////////////
+      bool canUseLatency() const noexcept;
+      void latencyChanged() const noexcept;
+
+      ////////////////////
+      // clap_host_tail //
+      ////////////////////
+      bool canUseTail() const noexcept;
+      void tailChanged() const noexcept;
+
+      /////////////////////////
+      // clap_host_note_name //
+      /////////////////////////
+      bool canUseNoteName() const noexcept;
+      void noteNameChanged() const noexcept;
+
+      //////////////////////
+      // clap_host_params //
+      //////////////////////
+      bool canUseParams() const noexcept;
+      void paramsRescan(clap_param_rescan_flags flags) const noexcept;
+      void paramsClear(clap_id param_id, clap_param_clear_flags flags) const noexcept;
+      void paramsRequestFlush() const noexcept;
+
+      //////////////////////////
+      // clap_host_track_info //
+      //////////////////////////
+      bool canUseTrackInfo() const noexcept;
+      bool trackInfoGet(clap_track_info *info) const noexcept;
+
+      ///////////////////
+      // clap_host_gui //
+      ///////////////////
+      bool canUseGui() const noexcept;
+      bool guiRequestResize(uint32_t width, uint32_t height) const noexcept;
+      bool guiRequestShow() const noexcept;
+      bool guiRequestHide() const noexcept;
+      void guiClosed(bool wasDestroyed) const noexcept;
+
+      /////////////////////////////
+      // clap_host_timer_support //
+      /////////////////////////////
+      bool canUseTimerSupport() const noexcept;
+      bool timerSupportRegister(uint32_t period_ms, clap_id *timer_id) const noexcept;
+      bool timerSupportUnregister(clap_id timer_id) const noexcept;
+
+      //////////////////////////
+      // clap_host_fd_support //
+      //////////////////////////
+      bool canUsePosixFdSupport() const noexcept;
+      bool posixFdSupportRegister(int fd, int flags) const noexcept;
+      bool posixFdSupportModify(int fd, int flags) const noexcept;
+      bool posixFdSupportUnregister(int fd) const noexcept;
+
+      //////////////////////////////
+      // clap_host_quick_controls //
+      //////////////////////////////
+      bool canUseQuickControls() const noexcept;
+      void quickControlsChanged() const noexcept;
+      void quickControlsSuggestPage(clap_id page_id) const noexcept;
+
+      ///////////////////////////
+      // clap_host_thread_pool //
+      ///////////////////////////
+      bool canUseThreadPool() const noexcept;
+      bool threadPoolRequestExec(uint32_t numTasks) const noexcept;
+
+      //////////////////////////
+      // clap_host_voice_info //
+      //////////////////////////
+      bool canUseVoiceInfo() const noexcept;
+      void voiceInfoChanged() const noexcept;
+
+   protected:
+      void ensureMainThread(const char *method) const noexcept;
+      void ensureAudioThread(const char *method) const noexcept;
+
+      const clap_host *const _host;
+
+      const clap_host_log *_hostLog = nullptr;
+      const clap_host_thread_check *_hostThreadCheck = nullptr;
+      const clap_host_thread_pool *_hostThreadPool = nullptr;
+      const clap_host_audio_ports *_hostAudioPorts = nullptr;
+      const clap_host_audio_ports_config *_hostAudioPortsConfig = nullptr;
+      const clap_host_note_ports *_hostNotePorts = nullptr;
+      const clap_host_file_reference *_hostFileReference = nullptr;
+      const clap_host_latency *_hostLatency = nullptr;
+      const clap_host_gui *_hostGui = nullptr;
+      const clap_host_timer_support *_hostTimerSupport = nullptr;
+      const clap_host_posix_fd_support *_hostPosixFdSupport = nullptr;
+      const clap_host_params *_hostParams = nullptr;
+      const clap_host_track_info *_hostTrackInfo = nullptr;
+      const clap_host_state *_hostState = nullptr;
+      const clap_host_note_name *_hostNoteName = nullptr;
+      const clap_host_quick_controls *_hostQuickControls = nullptr;
+      const clap_host_voice_info *_hostVoiceInfo = nullptr;
+      const clap_host_tail *_hostTail = nullptr;
+   };
+}} // namespace clap::helpers