67 lines
1.1 KiB
C
67 lines
1.1 KiB
C
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#ifndef BLINKY_UI_PAGE_H_
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#define BLINKY_UI_PAGE_H_
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#include <stdbool.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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struct ui_page;
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struct ui_page_ops {
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void (*init)(struct ui_page *page);
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void (*deinit)(struct ui_page *page);
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void (*refresh)(struct ui_page *page);
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};
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struct ui_page {
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const struct ui_page_ops *ops;
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struct ui_page *parent;
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bool initialized;
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};
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static inline void ui_page_init(struct ui_page *page)
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{
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if ((page == NULL) || (page->ops == NULL)) {
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return;
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}
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if (page->initialized) {
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return;
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}
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if (page->ops->init != NULL) {
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page->ops->init(page);
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}
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page->initialized = true;
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}
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static inline void ui_page_deinit(struct ui_page *page)
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{
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if ((page == NULL) || !page->initialized || (page->ops == NULL)) {
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return;
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}
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if (page->ops->deinit != NULL) {
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page->ops->deinit(page);
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}
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page->initialized = false;
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}
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static inline void ui_page_refresh(struct ui_page *page)
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{
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if ((page == NULL) || !page->initialized ||
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(page->ops == NULL) || (page->ops->refresh == NULL)) {
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return;
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}
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page->ops->refresh(page);
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}
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#ifdef __cplusplus
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}
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#endif
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#endif /* BLINKY_UI_PAGE_H_ */
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