flipperzero-firmware/applications/services/desktop/views/desktop_view_slideshow.c
あく 8d2143add5
Fix various issues reported on github (#2280)
* Desktop: Fix use after free in slideshow view
* Gui: long press toggles first letter case too
* Desktop: remove debug logging
2023-01-10 03:15:03 +09:00

141 lines
4.5 KiB
C

#include <furi.h>
#include <furi_hal.h>
#include <gui/elements.h>
#include "desktop_view_slideshow.h"
#include "../desktop_i.h"
#include "../helpers/slideshow.h"
#include "../helpers/slideshow_filename.h"
#define DESKTOP_SLIDESHOW_POWEROFF_SHORT 5000
#define DESKTOP_SLIDESHOW_POWEROFF_LONG (60 * 60 * 1000)
struct DesktopSlideshowView {
View* view;
DesktopSlideshowViewCallback callback;
void* context;
FuriTimer* timer;
};
typedef struct {
uint8_t page;
Slideshow* slideshow;
} DesktopSlideshowViewModel;
static void desktop_view_slideshow_draw(Canvas* canvas, void* model) {
DesktopSlideshowViewModel* m = model;
canvas_clear(canvas);
if(slideshow_is_loaded(m->slideshow)) {
slideshow_draw(m->slideshow, canvas, 0, 0);
}
}
static bool desktop_view_slideshow_input(InputEvent* event, void* context) {
furi_assert(event);
DesktopSlideshowView* instance = context;
DesktopSlideshowViewModel* model = view_get_model(instance->view);
bool update_view = false;
if(event->type == InputTypeShort) {
bool end_slideshow = false;
switch(event->key) {
case InputKeyLeft:
slideshow_goback(model->slideshow);
break;
case InputKeyRight:
case InputKeyOk:
end_slideshow = !slideshow_advance(model->slideshow);
break;
case InputKeyBack:
end_slideshow = true;
default:
break;
}
if(end_slideshow) {
instance->callback(DesktopSlideshowCompleted, instance->context);
}
update_view = true;
} else if(event->key == InputKeyOk && instance->timer) {
if(event->type == InputTypePress) {
furi_timer_start(instance->timer, DESKTOP_SLIDESHOW_POWEROFF_SHORT);
} else if(event->type == InputTypeRelease) {
furi_timer_stop(instance->timer);
if(!slideshow_is_one_page(model->slideshow)) {
furi_timer_start(instance->timer, DESKTOP_SLIDESHOW_POWEROFF_LONG);
}
}
}
view_commit_model(instance->view, update_view);
return true;
}
static void desktop_first_start_timer_callback(void* context) {
DesktopSlideshowView* instance = context;
instance->callback(DesktopSlideshowPoweroff, instance->context);
}
static void desktop_view_slideshow_enter(void* context) {
DesktopSlideshowView* instance = context;
furi_assert(instance->timer == NULL);
instance->timer =
furi_timer_alloc(desktop_first_start_timer_callback, FuriTimerTypeOnce, instance);
DesktopSlideshowViewModel* model = view_get_model(instance->view);
model->slideshow = slideshow_alloc();
if(!slideshow_load(model->slideshow, SLIDESHOW_FS_PATH)) {
instance->callback(DesktopSlideshowCompleted, instance->context);
} else if(!slideshow_is_one_page(model->slideshow)) {
furi_timer_start(instance->timer, DESKTOP_SLIDESHOW_POWEROFF_LONG);
}
view_commit_model(instance->view, false);
}
static void desktop_view_slideshow_exit(void* context) {
DesktopSlideshowView* instance = context;
furi_timer_stop(instance->timer);
furi_timer_free(instance->timer);
instance->timer = NULL;
DesktopSlideshowViewModel* model = view_get_model(instance->view);
slideshow_free(model->slideshow);
view_commit_model(instance->view, false);
}
DesktopSlideshowView* desktop_view_slideshow_alloc() {
DesktopSlideshowView* instance = malloc(sizeof(DesktopSlideshowView));
instance->view = view_alloc();
view_allocate_model(instance->view, ViewModelTypeLocking, sizeof(DesktopSlideshowViewModel));
view_set_context(instance->view, instance);
view_set_draw_callback(instance->view, (ViewDrawCallback)desktop_view_slideshow_draw);
view_set_input_callback(instance->view, desktop_view_slideshow_input);
view_set_enter_callback(instance->view, desktop_view_slideshow_enter);
view_set_exit_callback(instance->view, desktop_view_slideshow_exit);
return instance;
}
void desktop_view_slideshow_free(DesktopSlideshowView* instance) {
furi_assert(instance);
view_free(instance->view);
free(instance);
}
View* desktop_view_slideshow_get_view(DesktopSlideshowView* instance) {
furi_assert(instance);
return instance->view;
}
void desktop_view_slideshow_set_callback(
DesktopSlideshowView* instance,
DesktopSlideshowViewCallback callback,
void* context) {
furi_assert(instance);
furi_assert(callback);
instance->callback = callback;
instance->context = context;
}