flipperzero-firmware/applications/services/gui/view_dispatcher.c
Maksim Derbasov e121e6a287
Fix for spelling (#2051)
* Fix for spelling
* Review iteration

Co-authored-by: あく <alleteam@gmail.com>
2022-11-29 01:51:51 +09:00

364 lines
13 KiB
C

#include "view_dispatcher_i.h"
#define TAG "ViewDispatcher"
ViewDispatcher* view_dispatcher_alloc() {
ViewDispatcher* view_dispatcher = malloc(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);
}
// Crash if not all views were freed
furi_assert(!ViewDict_size(view_dispatcher->views));
ViewDict_clear(view_dispatcher->views);
// Free ViewPort
view_port_free(view_dispatcher->view_port);
// Free internal queue
if(view_dispatcher->queue) {
furi_message_queue_free(view_dispatcher->queue);
}
// 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 = furi_message_queue_alloc(16, sizeof(ViewDispatcherMessage));
}
void view_dispatcher_set_event_callback_context(ViewDispatcher* view_dispatcher, void* context) {
furi_assert(view_dispatcher);
view_dispatcher->event_context = context;
}
void view_dispatcher_set_navigation_event_callback(
ViewDispatcher* view_dispatcher,
ViewDispatcherNavigationEventCallback callback) {
furi_assert(view_dispatcher);
furi_assert(callback);
view_dispatcher->navigation_event_callback = callback;
}
void view_dispatcher_set_custom_event_callback(
ViewDispatcher* view_dispatcher,
ViewDispatcherCustomEventCallback callback) {
furi_assert(view_dispatcher);
furi_assert(callback);
view_dispatcher->custom_event_callback = callback;
}
void view_dispatcher_set_tick_event_callback(
ViewDispatcher* view_dispatcher,
ViewDispatcherTickEventCallback callback,
uint32_t tick_period) {
furi_assert(view_dispatcher);
furi_assert(callback);
view_dispatcher->tick_event_callback = callback;
view_dispatcher->tick_period = tick_period;
}
void view_dispatcher_run(ViewDispatcher* view_dispatcher) {
furi_assert(view_dispatcher);
furi_assert(view_dispatcher->queue);
uint32_t tick_period = view_dispatcher->tick_period == 0 ? FuriWaitForever :
view_dispatcher->tick_period;
ViewDispatcherMessage message;
while(1) {
if(furi_message_queue_get(view_dispatcher->queue, &message, tick_period) != FuriStatusOk) {
view_dispatcher_handle_tick_event(view_dispatcher);
continue;
}
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);
}
}
// Wait till all input events delivered
while(view_dispatcher->ongoing_input) {
furi_message_queue_get(view_dispatcher->queue, &message, FuriWaitForever);
if(message.type == ViewDispatcherMessageTypeInput) {
uint8_t key_bit = (1 << message.input.key);
if(message.input.type == InputTypePress) {
view_dispatcher->ongoing_input |= key_bit;
} else if(message.input.type == InputTypeRelease) {
view_dispatcher->ongoing_input &= ~key_bit;
}
}
}
}
void view_dispatcher_stop(ViewDispatcher* view_dispatcher) {
furi_assert(view_dispatcher);
furi_assert(view_dispatcher->queue);
ViewDispatcherMessage message;
message.type = ViewDispatcherMessageTypeStop;
furi_check(
furi_message_queue_put(view_dispatcher->queue, &message, FuriWaitForever) == FuriStatusOk);
}
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);
}
// Check if view is receiving input
if(view_dispatcher->ongoing_input_view == view) {
view_dispatcher->ongoing_input_view = NULL;
}
// Remove view
furi_check(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 {
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_send_to_front(ViewDispatcher* view_dispatcher) {
furi_assert(view_dispatcher);
furi_assert(view_dispatcher->gui);
gui_view_port_send_to_front(view_dispatcher->gui, view_dispatcher->view_port);
}
void view_dispatcher_send_to_back(ViewDispatcher* view_dispatcher) {
furi_assert(view_dispatcher);
furi_assert(view_dispatcher->gui);
gui_view_port_send_to_back(view_dispatcher->gui, view_dispatcher->view_port);
}
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 == ViewDispatcherTypeDesktop) {
gui_add_view_port(gui, view_dispatcher->view_port, GuiLayerDesktop);
} else if(type == ViewDispatcherTypeWindow) {
gui_add_view_port(gui, view_dispatcher->view_port, GuiLayerWindow);
} else if(type == ViewDispatcherTypeFullscreen) {
gui_add_view_port(gui, view_dispatcher->view_port, GuiLayerFullscreen);
} 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(
furi_message_queue_put(view_dispatcher->queue, &message, FuriWaitForever) ==
FuriStatusOk);
} else {
view_dispatcher_handle_input(view_dispatcher, event);
}
}
void view_dispatcher_handle_input(ViewDispatcher* view_dispatcher, InputEvent* event) {
// Check input complementarity
uint8_t key_bit = (1 << event->key);
if(event->type == InputTypePress) {
view_dispatcher->ongoing_input |= key_bit;
} else if(event->type == InputTypeRelease) {
view_dispatcher->ongoing_input &= ~key_bit;
} else if(!(view_dispatcher->ongoing_input & key_bit)) {
FURI_LOG_D(
TAG,
"non-complementary input, discarding key: %s, type: %s, sequence: %p",
input_get_key_name(event->key),
input_get_type_name(event->type),
(void*)event->sequence);
return;
}
// Set ongoing input view if this is event is first press event
if(!(view_dispatcher->ongoing_input & ~key_bit) && event->type == InputTypePress) {
view_dispatcher->ongoing_input_view = view_dispatcher->current_view;
}
// Deliver event
if(view_dispatcher->current_view &&
view_dispatcher->ongoing_input_view == view_dispatcher->current_view) {
// Dispatch input to current view
bool is_consumed = view_input(view_dispatcher->current_view, event);
// Navigate if input is not consumed
if(!is_consumed && (event->key == InputKeyBack) &&
(event->type == InputTypeShort || event->type == InputTypeLong)) {
// Navigate to previous
uint32_t view_id = view_previous(view_dispatcher->current_view);
if(view_id != VIEW_IGNORE) {
// Switch to returned view
view_dispatcher_switch_to_view(view_dispatcher, view_id);
} else if(view_dispatcher->navigation_event_callback) {
// Dispatch navigation event
if(!view_dispatcher->navigation_event_callback(view_dispatcher->event_context)) {
// TODO: should we allow view_dispatcher to stop without navigation_event_callback?
view_dispatcher_stop(view_dispatcher);
return;
}
}
}
} else if(view_dispatcher->ongoing_input_view && event->type == InputTypeRelease) {
FURI_LOG_D(
TAG,
"View changed while key press %p -> %p. Sending key: %s, type: %s, sequence: %p to previous view port",
view_dispatcher->ongoing_input_view,
view_dispatcher->current_view,
input_get_key_name(event->key),
input_get_type_name(event->type),
(void*)event->sequence);
view_input(view_dispatcher->ongoing_input_view, event);
}
}
void view_dispatcher_handle_tick_event(ViewDispatcher* view_dispatcher) {
if(view_dispatcher->tick_event_callback) {
view_dispatcher->tick_event_callback(view_dispatcher->event_context);
}
}
void view_dispatcher_handle_custom_event(ViewDispatcher* view_dispatcher, uint32_t event) {
bool is_consumed = false;
if(view_dispatcher->current_view) {
is_consumed = view_custom(view_dispatcher->current_view, event);
}
// If custom event is not consumed in View, call callback
if(!is_consumed && view_dispatcher->custom_event_callback) {
view_dispatcher->custom_event_callback(view_dispatcher->event_context, event);
}
}
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(
furi_message_queue_put(view_dispatcher->queue, &message, FuriWaitForever) == FuriStatusOk);
}
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 == ViewOrientationVerticalFlip) {
view_port_set_orientation(view_dispatcher->view_port, ViewPortOrientationVerticalFlip);
} else if(view->orientation == ViewOrientationHorizontal) {
view_port_set_orientation(view_dispatcher->view_port, ViewPortOrientationHorizontal);
} else if(view->orientation == ViewOrientationHorizontalFlip) {
view_port_set_orientation(
view_dispatcher->view_port, ViewPortOrientationHorizontalFlip);
}
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);
}
}