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AISModel receive packets from baseband, notifies AISView.

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Use Signal class to distribute packets to multiple listeners.
This commit is contained in:
Jared Boone 2016-01-13 16:32:56 -08:00
parent 9cab3c9978
commit f8a063312c
2 changed files with 30 additions and 23 deletions
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34
firmware/application/ais_app.cpp
View File

@ -89,6 +89,18 @@ AISModel::AISModel() {
receiver_model.set_baseband_bandwidth(1750000); receiver_model.set_baseband_bandwidth(1750000);
log_file.open_for_append("ais.txt"); log_file.open_for_append("ais.txt");
EventDispatcher::message_map().register_handler(Message::ID::AISPacket,
[this](Message* const p) {
const auto message = static_cast<const AISPacketMessage*>(p);
const ais::Packet packet { message->packet };
this->on_packet(packet);
}
);
}
AISModel::~AISModel() {
EventDispatcher::message_map().unregister_handler(Message::ID::AISPacket);
} }
bool AISModel::on_packet(const ais::Packet& packet) { bool AISModel::on_packet(const ais::Packet& packet) {
@ -110,31 +122,13 @@ bool AISModel::on_packet(const ais::Packet& packet) {
log_file.write_entry(packet.received_at(), entry); log_file.write_entry(packet.received_at(), entry);
} }
packet_signal.emit(packet);
return true; return true;
} }
namespace ui { namespace ui {
void AISView::on_show() {
View::on_show();
EventDispatcher::message_map().register_handler(Message::ID::AISPacket,
[this](Message* const p) {
const auto message = static_cast<const AISPacketMessage*>(p);
const ais::Packet packet { message->packet };
if( this->model.on_packet(packet) ) {
this->on_packet(packet);
}
}
);
}
void AISView::on_hide() {
EventDispatcher::message_map().unregister_handler(Message::ID::AISPacket);
View::on_hide();
}
void AISView::truncate_entries() { void AISView::truncate_entries() {
while(recent.size() > 64) { while(recent.size() > 64) {
recent.pop_back(); recent.pop_back();

19
firmware/application/ais_app.hpp
View File

@ -25,8 +25,12 @@
#include "ui_widget.hpp" #include "ui_widget.hpp"
#include "log_file.hpp" #include "log_file.hpp"
#include "message.hpp"
#include "ais_packet.hpp" #include "ais_packet.hpp"
#include "signal.hpp"
#include "lpc43xx_cpp.hpp" #include "lpc43xx_cpp.hpp"
using namespace lpc43xx; using namespace lpc43xx;
@ -66,11 +70,14 @@ struct AISRecentEntry {
class AISModel { class AISModel {
public: public:
AISModel(); AISModel();
~AISModel();
bool on_packet(const ais::Packet& packet); Signal<const ais::Packet&> packet_signal;
private: private:
LogFile log_file; LogFile log_file;
bool on_packet(const ais::Packet& packet);
}; };
namespace ui { namespace ui {
@ -79,10 +86,15 @@ class AISView : public View {
public: public:
AISView() { AISView() {
flags.focusable = true; flags.focusable = true;
packet_signal_token = model.packet_signal += [this](const ais::Packet& packet) {
this->on_packet(packet);
};
} }
void on_show() override; ~AISView() {
void on_hide() override; model.packet_signal -= packet_signal_token;
}
void paint(Painter& painter) override; void paint(Painter& painter) override;
@ -93,6 +105,7 @@ public:
private: private:
AISModel model; AISModel model;
SignalToken packet_signal_token;
using EntryKey = ais::MMSI; using EntryKey = ais::MMSI;
EntryKey selected_key; EntryKey selected_key;