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Add clap_host_preset_load support to Host base class #91

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Add clap_host_preset_load support to Host base class #91

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24 changes: 24 additions & 0 deletions include/clap/helpers/host.hh
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Original file line number Diff line number Diff line change
Expand Up @@ -108,6 +108,17 @@ namespace clap { namespace helpers {
virtual bool implementsThreadPool() const noexcept { return false; }
virtual bool threadPoolRequestExec(uint32_t numTasks) noexcept { return false; }

// clap_host_preset_load
virtual bool implementsPresetLoad() const noexcept { return false; }
virtual void presetLoadLoaded(uint32_t locationKind,
const char *location,
const char *loadKey) noexcept {}
virtual void presetLoadOnError(uint32_t locationKind,
const char *location,
const char *loadKey,
int32_t osError,
const char *msg) noexcept {}

// clap_host_surround
virtual bool implementsSurround() const noexcept { return false; }
virtual void surroundChanged() noexcept {}
Expand Down Expand Up @@ -197,6 +208,18 @@ namespace clap { namespace helpers {
// clap_host_thread_pool
static bool clapThreadPoolRequestExec(const clap_host *host, uint32_t num_tasks) noexcept;

// clap_host_preset_load
static void clapPresetLoadLoaded(const clap_host *host,
uint32_t location_kind,
const char *location,
const char *load_key) noexcept;
static void clapPresetLoadOnError(const clap_host *host,
uint32_t location_kind,
const char *location,
const char *load_key,
int32_t os_error,
const char *msg) noexcept;

// clap_host_surround
static void clapSurroundChanged(const clap_host_t *host) noexcept;

Expand All @@ -210,6 +233,7 @@ namespace clap { namespace helpers {
static const clap_host_log _hostLog;
static const clap_host_params _hostParams;
static const clap_host_posix_fd_support _hostPosixFdSupport;
static const clap_host_preset_load _hostPresetLoad;
static const clap_host_remote_controls _hostRemoteControls;
static const clap_host_state _hostState;
static const clap_host_timer_support _hostTimerSupport;
Expand Down
35 changes: 35 additions & 0 deletions include/clap/helpers/host.hxx
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Original file line number Diff line number Diff line change
Expand Up @@ -48,6 +48,12 @@ namespace clap { namespace helpers {
clapPosixFdSupportUnregisterFd,
};

template <MisbehaviourHandler h, CheckingLevel l>
const clap_host_preset_load Host<h, l>::_hostPresetLoad = {
clapPresetLoadOnError,
clapPresetLoadLoaded,
};

template <MisbehaviourHandler h, CheckingLevel l>
const clap_host_remote_controls Host<h, l>::_hostRemoteControls = {
clapRemoteControlsChanged,
Expand Down Expand Up @@ -156,6 +162,10 @@ namespace clap { namespace helpers {
return &_hostParams;
if (!strcmp(extension_id, CLAP_EXT_POSIX_FD_SUPPORT) && self.implementsPosixFdSupport())
return &_hostPosixFdSupport;
if ((!strcmp(extension_id, CLAP_EXT_PRESET_LOAD) ||
!strcmp(extension_id, CLAP_EXT_PRESET_LOAD_COMPAT)) &&
self.implementsPresetLoad())
return &_hostPresetLoad;
if ((!strcmp(extension_id, CLAP_EXT_REMOTE_CONTROLS) ||
!strcmp(extension_id, CLAP_EXT_REMOTE_CONTROLS_COMPAT)) &&
self.implementsRemoteControls())
Expand Down Expand Up @@ -329,6 +339,31 @@ namespace clap { namespace helpers {
return self.posixFdSupportUnregisterFd(fd);
}

//-------------------------//
// clap_host_preset_load //
//-------------------------//
template <MisbehaviourHandler h, CheckingLevel l>
void Host<h, l>::clapPresetLoadLoaded(const clap_host *host,
uint32_t location_kind,
const char *location,
const char *load_key) noexcept {
auto &self = from(host);
self.ensureMainThread("preset_load.loaded");
self.presetLoadLoaded(location_kind, location, load_key);
}

template <MisbehaviourHandler h, CheckingLevel l>
void Host<h, l>::clapPresetLoadOnError(const clap_host *host,
uint32_t location_kind,
const char *location,
const char *load_key,
int32_t os_error,
const char *msg) noexcept {
auto &self = from(host);
self.ensureMainThread("preset_load.on_error");
self.presetLoadOnError(location_kind, location, load_key, os_error, msg);
}

//---------------------------//
// clap_host_remote_controls //
//---------------------------//
Expand Down
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