37131dbe12
* View: replace direct View to ViewDispatcher link with callback. ViewDispatcher: update View usage. ViewHandler: update View usage, handle update signal.
130 lines
3.5 KiB
C
130 lines
3.5 KiB
C
#include "view_holder.h"
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#include <gui/view_i.h>
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struct ViewHolder {
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View* view;
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ViewPort* view_port;
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Gui* gui;
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FreeCallback free_callback;
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void* free_context;
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BackCallback back_callback;
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void* back_context;
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};
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static void view_holder_draw_callback(Canvas* canvas, void* context);
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static void view_holder_input_callback(InputEvent* event, void* context);
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ViewHolder* view_holder_alloc() {
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ViewHolder* view_holder = furi_alloc(sizeof(ViewHolder));
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view_holder->view_port = view_port_alloc();
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view_port_draw_callback_set(view_holder->view_port, view_holder_draw_callback, view_holder);
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view_port_input_callback_set(view_holder->view_port, view_holder_input_callback, view_holder);
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view_port_enabled_set(view_holder->view_port, false);
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return view_holder;
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}
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void view_holder_free(ViewHolder* view_holder) {
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furi_assert(view_holder);
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if(view_holder->gui) {
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gui_remove_view_port(view_holder->gui, view_holder->view_port);
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}
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view_port_free(view_holder->view_port);
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if(view_holder->free_callback) {
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view_holder->free_callback(view_holder->free_context);
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}
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free(view_holder);
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}
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void view_holder_set_view(ViewHolder* view_holder, View* view) {
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furi_assert(view_holder);
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if(view_holder->view) {
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view_set_update_callback(view_holder->view, NULL);
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view_set_update_callback_context(view_holder->view, NULL);
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}
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view_holder->view = view;
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if(view_holder->view) {
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view_set_update_callback(view_holder->view, view_holder_update);
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view_set_update_callback_context(view_holder->view, view_holder);
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}
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}
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void view_holder_set_free_callback(
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ViewHolder* view_holder,
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FreeCallback free_callback,
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void* free_context) {
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furi_assert(view_holder);
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view_holder->free_callback = free_callback;
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view_holder->free_context = free_context;
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}
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void* view_holder_get_free_context(ViewHolder* view_holder) {
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return view_holder->free_context;
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}
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void view_holder_set_back_callback(
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ViewHolder* view_holder,
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BackCallback back_callback,
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void* back_context) {
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furi_assert(view_holder);
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view_holder->back_callback = back_callback;
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view_holder->back_context = back_context;
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}
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void view_holder_attach_to_gui(ViewHolder* view_holder, Gui* gui) {
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furi_assert(gui);
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furi_assert(view_holder);
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view_holder->gui = gui;
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gui_add_view_port(gui, view_holder->view_port, GuiLayerFullscreen);
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}
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void view_holder_start(ViewHolder* view_holder) {
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view_port_enabled_set(view_holder->view_port, true);
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}
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void view_holder_stop(ViewHolder* view_holder) {
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view_port_enabled_set(view_holder->view_port, false);
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}
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void view_holder_update(View* view, void* context) {
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furi_assert(view);
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furi_assert(context);
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ViewHolder* view_holder = context;
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if(view == view_holder->view) {
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view_port_update(view_holder->view_port);
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}
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}
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static void view_holder_draw_callback(Canvas* canvas, void* context) {
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ViewHolder* view_holder = context;
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if(view_holder->view) {
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view_draw(view_holder->view, canvas);
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}
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}
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static void view_holder_input_callback(InputEvent* event, void* context) {
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ViewHolder* view_holder = context;
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bool is_consumed = false;
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if(view_holder->view) {
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is_consumed = view_input(view_holder->view, event);
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}
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if(!is_consumed && event->type == InputTypeShort) {
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if(event->key == InputKeyBack) {
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if(view_holder->back_callback) {
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view_holder->back_callback(view_holder->back_context);
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}
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}
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}
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} |