flipperzero-firmware/applications/gui/view_dispatcher.c
gornekich 8605f53c28
view_dispatcher: add custom events (#526)
Co-authored-by: あく <alleteam@gmail.com>
2021-06-20 11:15:48 +03:00

247 lines
8.4 KiB
C
Executable File

#include "view_dispatcher_i.h"
ViewDispatcher* view_dispatcher_alloc() {
ViewDispatcher* view_dispatcher = furi_alloc(sizeof(ViewDispatcher));
view_dispatcher->view_port = view_port_alloc();
view_port_draw_callback_set(
view_dispatcher->view_port, view_dispatcher_draw_callback, view_dispatcher);
view_port_input_callback_set(
view_dispatcher->view_port, view_dispatcher_input_callback, view_dispatcher);
view_port_enabled_set(view_dispatcher->view_port, false);
ViewDict_init(view_dispatcher->views);
return view_dispatcher;
}
void view_dispatcher_free(ViewDispatcher* view_dispatcher) {
// Detach from gui
if(view_dispatcher->gui) {
gui_remove_view_port(view_dispatcher->gui, view_dispatcher->view_port);
}
// Free views
ViewDict_it_t it;
ViewDict_it(it, view_dispatcher->views);
while(!ViewDict_end_p(it)) {
ViewDict_itref_t* ref = ViewDict_ref(it);
view_free(ref->value);
ViewDict_next(it);
}
ViewDict_clear(view_dispatcher->views);
// Free ViewPort
view_port_free(view_dispatcher->view_port);
// Free dispatcher
free(view_dispatcher);
}
void view_dispatcher_enable_queue(ViewDispatcher* view_dispatcher) {
furi_assert(view_dispatcher);
furi_assert(view_dispatcher->queue == NULL);
view_dispatcher->queue = osMessageQueueNew(8, sizeof(ViewDispatcherMessage), NULL);
}
void view_dispatcher_run(ViewDispatcher* view_dispatcher) {
furi_assert(view_dispatcher);
furi_assert(view_dispatcher->queue);
ViewDispatcherMessage message;
while(osMessageQueueGet(view_dispatcher->queue, &message, NULL, osWaitForever) == osOK) {
if(message.type == ViewDispatcherMessageTypeStop) {
break;
} else if(message.type == ViewDispatcherMessageTypeInput) {
view_dispatcher_handle_input(view_dispatcher, &message.input);
} else if(message.type == ViewDispatcherMessageTypeCustomEvent) {
view_dispatcher_handle_custom_event(view_dispatcher, message.custom_event);
}
}
}
void view_dispatcher_stop(ViewDispatcher* view_dispatcher) {
furi_assert(view_dispatcher);
furi_assert(view_dispatcher->queue);
ViewDispatcherMessage message;
message.type = ViewDispatcherMessageTypeStop;
furi_check(osMessageQueuePut(view_dispatcher->queue, &message, 0, osWaitForever) == osOK);
}
void view_dispatcher_add_view(ViewDispatcher* view_dispatcher, uint32_t view_id, View* view) {
furi_assert(view_dispatcher);
furi_assert(view);
// Check if view id is not used and register view
furi_check(ViewDict_get(view_dispatcher->views, view_id) == NULL);
// Lock gui
if(view_dispatcher->gui) {
gui_lock(view_dispatcher->gui);
}
ViewDict_set_at(view_dispatcher->views, view_id, view);
view_set_update_callback(view, view_dispatcher_update);
view_set_update_callback_context(view, view_dispatcher);
// Unlock gui
if(view_dispatcher->gui) {
gui_unlock(view_dispatcher->gui);
}
}
void view_dispatcher_remove_view(ViewDispatcher* view_dispatcher, uint32_t view_id) {
furi_assert(view_dispatcher);
// Lock gui
if(view_dispatcher->gui) {
gui_lock(view_dispatcher->gui);
}
// Get View by ID
View* view = *ViewDict_get(view_dispatcher->views, view_id);
// Disable the view if it is active
if(view_dispatcher->current_view == view) {
view_dispatcher_set_current_view(view_dispatcher, NULL);
}
// Remove view
ViewDict_erase(view_dispatcher->views, view_id);
view_set_update_callback(view, NULL);
view_set_update_callback_context(view, NULL);
// Unlock gui
if(view_dispatcher->gui) {
gui_unlock(view_dispatcher->gui);
}
}
void view_dispatcher_switch_to_view(ViewDispatcher* view_dispatcher, uint32_t view_id) {
furi_assert(view_dispatcher);
if(view_id == VIEW_NONE) {
view_dispatcher_set_current_view(view_dispatcher, NULL);
} else if(view_id == VIEW_IGNORE) {
} else if(view_id == VIEW_DESTROY) {
view_dispatcher_free(view_dispatcher);
} else {
View** view_pp = ViewDict_get(view_dispatcher->views, view_id);
furi_check(view_pp != NULL);
view_dispatcher_set_current_view(view_dispatcher, *view_pp);
}
}
void view_dispatcher_attach_to_gui(
ViewDispatcher* view_dispatcher,
Gui* gui,
ViewDispatcherType type) {
furi_assert(view_dispatcher);
furi_assert(view_dispatcher->gui == NULL);
furi_assert(gui);
if(type == ViewDispatcherTypeNone) {
gui_add_view_port(gui, view_dispatcher->view_port, GuiLayerNone);
} else if(type == ViewDispatcherTypeFullscreen) {
gui_add_view_port(gui, view_dispatcher->view_port, GuiLayerFullscreen);
} else if(type == ViewDispatcherTypeWindow) {
gui_add_view_port(gui, view_dispatcher->view_port, GuiLayerMain);
} else {
furi_check(NULL);
}
view_dispatcher->gui = gui;
}
void view_dispatcher_draw_callback(Canvas* canvas, void* context) {
ViewDispatcher* view_dispatcher = context;
if(view_dispatcher->current_view) {
view_draw(view_dispatcher->current_view, canvas);
}
}
void view_dispatcher_input_callback(InputEvent* event, void* context) {
ViewDispatcher* view_dispatcher = context;
if(view_dispatcher->queue) {
ViewDispatcherMessage message;
message.type = ViewDispatcherMessageTypeInput;
message.input = *event;
furi_check(osMessageQueuePut(view_dispatcher->queue, &message, 0, osWaitForever) == osOK);
} else {
view_dispatcher_handle_input(view_dispatcher, event);
}
}
void view_dispatcher_handle_input(ViewDispatcher* view_dispatcher, InputEvent* event) {
bool is_consumed = false;
if(view_dispatcher->current_view) {
is_consumed = view_input(view_dispatcher->current_view, event);
}
if(!is_consumed && event->type == InputTypeShort) {
uint32_t view_id = VIEW_IGNORE;
if(event->key == InputKeyBack) {
view_id = view_previous(view_dispatcher->current_view);
} else if(event->key == InputKeyOk) {
view_id = view_next(view_dispatcher->current_view);
}
view_dispatcher_switch_to_view(view_dispatcher, view_id);
}
}
void view_dispatcher_set_custom_callback(
ViewDispatcher* view_dispatcher,
CustomEventCallback callback,
void* context) {
furi_assert(view_dispatcher);
furi_assert(callback);
view_dispatcher->custom_event_cb = callback;
view_dispatcher->custom_event_ctx = context;
}
void view_dispatcher_handle_custom_event(ViewDispatcher* view_dispatcher, uint32_t event) {
if(view_dispatcher->custom_event_cb) {
view_dispatcher->custom_event_cb(event, view_dispatcher->custom_event_ctx);
}
}
void view_dispatcher_send_custom_event(ViewDispatcher* view_dispatcher, uint32_t event) {
furi_assert(view_dispatcher);
furi_assert(view_dispatcher->queue);
ViewDispatcherMessage message;
message.type = ViewDispatcherMessageTypeCustomEvent;
message.custom_event = event;
furi_check(osMessageQueuePut(view_dispatcher->queue, &message, 0, osWaitForever) == osOK);
}
void view_dispatcher_set_current_view(ViewDispatcher* view_dispatcher, View* view) {
furi_assert(view_dispatcher);
// Dispatch view exit event
if(view_dispatcher->current_view) {
view_exit(view_dispatcher->current_view);
}
// Set current view
view_dispatcher->current_view = view;
// Dispatch view enter event
if(view_dispatcher->current_view) {
if(view->orientation == ViewOrientationVertical)
view_port_set_orientation(view_dispatcher->view_port, ViewPortOrientationVertical);
else if(view->orientation == ViewOrientationHorizontal)
view_port_set_orientation(view_dispatcher->view_port, ViewPortOrientationHorizontal);
view_enter(view_dispatcher->current_view);
view_port_enabled_set(view_dispatcher->view_port, true);
view_port_update(view_dispatcher->view_port);
} else {
view_port_enabled_set(view_dispatcher->view_port, false);
if(view_dispatcher->queue) {
view_dispatcher_stop(view_dispatcher);
}
}
}
void view_dispatcher_update(View* view, void* context) {
furi_assert(view);
furi_assert(context);
ViewDispatcher* view_dispatcher = context;
if(view_dispatcher->current_view == view) {
view_port_update(view_dispatcher->view_port);
}
}