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#include <iostream>
#include <polyp/polyplib-error.h>

#include "ServerInfo.hh"
#include "paman.hh"

SinkInfo::SinkInfo(const struct pa_sink_info &i) :
    name(i.name),
    description(i.description),
    index(i.index),
    sample_spec(i.sample_spec),
    monitor_source(i.monitor_source),
    owner_module(i.owner_module),
    volume(i.volume),
    latency(i.latency),
    sinkWindow(NULL),
    treePathValid(false) {
}

SinkInfo::~SinkInfo() {
    if (sinkWindow)
        delete sinkWindow;
}
    
void SinkInfo::update(const struct pa_sink_info &i) {
    name = Glib::ustring(i.name);
    description = i.description;
    index = i.index;
    sample_spec = i.sample_spec;
    monitor_source = i.monitor_source;
    owner_module = i.owner_module;
    volume = i.volume;
    latency = i.latency;

    if (sinkWindow)
        sinkWindow->updateInfo(*this);
}

void SinkInfo::showWindow() {
    if (sinkWindow)
        sinkWindow->present();
    else {
        sinkWindow = SinkWindow::create();
        sinkWindow->updateInfo(*this);
        sinkWindow->show();
    }
}

SourceInfo::SourceInfo(const struct pa_source_info &i) :
    name(i.name),
    description(i.description),
    index(i.index),
    sample_spec(i.sample_spec),
    owner_module(i.owner_module),
    monitor_of_sink(i.monitor_of_sink),
    sourceWindow(NULL),
    treePathValid(false) {
}

SourceInfo::~SourceInfo() {
    if (sourceWindow)
        delete sourceWindow;
}

void SourceInfo::update(const struct pa_source_info &i) {
    name = i.name;
    description = i.description;
    index = i.index;
    sample_spec = i.sample_spec;
    owner_module = i.owner_module;
    monitor_of_sink = i.monitor_of_sink;

    if (sourceWindow)
        sourceWindow->updateInfo(*this);
}

void SourceInfo::showWindow() {
    if (sourceWindow)
        sourceWindow->present();
    else {
        sourceWindow = SourceWindow::create();
        sourceWindow->updateInfo(*this);
        sourceWindow->show();
    }
}

static void server_info_callback(struct pa_context *c, const struct pa_server_info *i, void *userdata) {
    ServerInfo *si = (ServerInfo*) userdata;

    if (!i) {
        mainWindow->showFailure(pa_strerror(pa_context_errno(c)));
        return;
    }

    mainWindow->updateInfo(*i);
}

static void sink_info_callback(struct pa_context *c, const struct pa_sink_info *i, int is_last, void *userdata) {
    ServerInfo *si = (ServerInfo*) userdata;
    if (!is_last && i)
        si->updateInfo(*i);
}

static void source_info_callback(struct pa_context *c, const struct pa_source_info *i, int is_last, void *userdata) {
    ServerInfo *si = (ServerInfo*) userdata;
    if (!is_last && i)
        si->updateInfo(*i);
}

static void subscribe_callback(struct pa_context *c, enum pa_subscription_event_type t, uint32_t index, void *userdata) {
    ServerInfo *si = (ServerInfo*) userdata;

    fprintf(stderr, "EV: %u %u\n", t, index);
    
    switch (t & PA_SUBSCRIPTION_EVENT_FACILITY_MASK) {
        case PA_SUBSCRIPTION_EVENT_SINK:
            fprintf(stderr, "SINK EVENT\n");

            if (t & PA_SUBSCRIPTION_EVENT_TYPE_MASK == PA_SUBSCRIPTION_EVENT_REMOVE)
                si->removeSinkInfo(index);
            else
                pa_context_get_sink_info_by_index(c, index, sink_info_callback, si);
            break;
        case PA_SUBSCRIPTION_EVENT_SOURCE:
            fprintf(stderr, "SOURCE EVENT\n");
            
            if (t & PA_SUBSCRIPTION_EVENT_TYPE_MASK == PA_SUBSCRIPTION_EVENT_REMOVE)
                si->removeSourceInfo(index);
            else
                pa_context_get_source_info_by_index(c, index, source_info_callback, si);
            break;
        case PA_SUBSCRIPTION_EVENT_MODULE:
            fprintf(stderr, "MODULE EVENT\n");
            break;
        case PA_SUBSCRIPTION_EVENT_CLIENT:
            fprintf(stderr, "CLIENT EVENT\n");
            break;
        case PA_SUBSCRIPTION_EVENT_SINK_INPUT:
            fprintf(stderr, "SINK INPUT EVENT\n");
            break;
        case PA_SUBSCRIPTION_EVENT_SOURCE_OUTPUT:
            fprintf(stderr, "SOURCE OUTPUT EVENT\n");
            break;
        default:
            fprintf(stderr, "OTHER EVENT\n");
            break;
    }            
}

ServerInfo::ServerInfo(struct pa_context &c) :
    context(c) {
    pa_context_get_server_info(&c, server_info_callback, this);
    pa_context_get_sink_info_list(&c, sink_info_callback, this);
    pa_context_get_source_info_list(&c, source_info_callback, this);
    pa_context_subscribe(&c, (enum pa_subscription_mask) (PA_SUBSCRIPTION_FACILITY_SINK|PA_SUBSCRIPTION_FACILITY_SOURCE|PA_SUBSCRIPTION_FACILITY_MODULE|PA_SUBSCRIPTION_FACILITY_SINK_INPUT|PA_SUBSCRIPTION_FACILITY_SOURCE_OUTPUT|PA_SUBSCRIPTION_FACILITY_CLIENT), subscribe_callback, this);
}

ServerInfo::~ServerInfo() {
    for (std::map<int, SinkInfo*>::iterator i = sinks.begin(); i != sinks.end(); i++)
        delete i->second;

    for (std::map<int, SourceInfo*>::iterator i = sources.begin(); i != sources.end(); i++)
        delete i->second;
}

void ServerInfo::updateInfo(const struct pa_sink_info &i) {
    SinkInfo *si;
    if ((si = sinks[i.index]))
        si->update(i);
    else {
        SinkInfo *n = new SinkInfo(i);
        sinks[i.index] = n;
        mainWindow->updateInfo(*n);
    }
}

void ServerInfo::updateInfo(const struct pa_source_info &i) {
    SourceInfo *si;
    if ((si = sources[i.index]))
        si->update(i);
    else {
        SourceInfo *n = new SourceInfo(i);
        sources[i.index] = n;
        mainWindow->updateInfo(*n);
    }
}

void ServerInfo::showSinkWindow(uint32_t index) {
    SinkInfo *i;

    if ((i = sinks[index]))
        i->showWindow();
}

void ServerInfo::showSourceWindow(uint32_t index) {
    SourceInfo *i;

    if ((i = sources[index]))
        i->showWindow();
}

SourceInfo* ServerInfo::getSourceInfo(uint32_t index) {
    return sources[index];
}

SinkInfo* ServerInfo::getSinkInfo(uint32_t index) {
    return sinks[index];
}

void ServerInfo::removeSinkInfo(uint32_t index) {
    SinkInfo *i;
    if ((i = sinks[index])) {
        sinks.erase(index);
        delete i;
    }
}

void ServerInfo::removeSourceInfo(uint32_t index) {
    SourceInfo *i;
    if ((i = sources[index])) {
        sources.erase(index);
        delete i;
    }
}