MeowOS
9b4195724c
meow_ui.a→9a8eb7ef; hello→fc299577; launcher→b33da20a; 宿主5套件+新test_notif_open+qemu分发 全过 出入: SDK符号用meow_ui_前缀防与launcher内同名冲突; 叠加会话真机待验; §10.5文档旧号段已过时
75 lines
2.5 KiB
C
75 lines
2.5 KiB
C
/* meow_ui_nav.c — App 侧 M3 导航上报封装（SDK 公共件；见 meow_ui_nav.h）。
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*
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* 只做「组装 m_nav_t + 经 meow_notify_ipc 一次性发送 MSG_NAV」，不维护连接/订阅循环；
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* launcher 主循环单写者消费（回复 ACK）。全部失败路径优雅降级（无 socket/写失败/超时
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* → 静默返回，不崩）。状态（栈深/顶层/app_id）仅进程内缓存，无并发写（App 页面线程调用）。
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*/
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#include "meow_ui_nav.h"
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#include "meow_ipc.h"
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#include "meow_notify_ipc.h" /* meow_notify_ipc_send_raw（复用其一次性帧传输层） */
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#include <stdlib.h>
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#include <string.h>
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#include <stdio.h>
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static char g_app_id[MEOW_APP_ID_MAX] = "";
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static int g_depth = 0;
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static char g_top[MEOW_ACT_MAX] = "";
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static int g_inited = 0;
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/* app_id：env MEOW_LOG_APP（与 meow_ui_log/meow_notify_ipc 取值口径一致），缺省 "app"。 */
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static const char *nav_app_id(void)
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{
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if (!g_app_id[0]) {
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const char *s = getenv("MEOW_LOG_APP");
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snprintf(g_app_id, sizeof g_app_id, "%s", (s && s[0]) ? s : "app");
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}
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return g_app_id;
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}
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int meow_ui_nav_init(void)
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{
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if (g_inited) return g_depth;
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g_inited = 1;
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nav_app_id();
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const char *chain = getenv("MEOW_CHAIN");
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if (chain && chain[0]) {
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g_depth = 1;
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for (const char *p = chain; *p; p++) if (*p == ';') g_depth++;
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}
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const char *act = getenv("MEOW_ACTIVITY");
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if (act && act[0]) snprintf(g_top, sizeof g_top, "%s", act);
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return g_depth;
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}
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int meow_ui_nav_depth(void) { meow_ui_nav_init(); return g_depth; }
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const char *meow_ui_nav_top(void) { meow_ui_nav_init(); return g_top; }
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void meow_ui_nav_report(uint32_t depth, const char *top)
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{
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meow_ui_nav_init();
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m_nav_t n;
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memset(&n, 0, sizeof n);
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snprintf(n.app_id, sizeof n.app_id, "%s", nav_app_id());
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n.nav_type = MEOW_NAV_REPORT;
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n.depth = depth;
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if (top) snprintf(n.current, sizeof n.current, "%s", top);
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(void)meow_notify_ipc_send_raw(MSG_NAV, &n, (uint32_t)sizeof n, 1);
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/* 进程内镜像：App 侧也维持当前栈深/顶层（跨 TU 只读用） */
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g_depth = (int)depth;
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if (top) snprintf(g_top, sizeof g_top, "%s", top);
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}
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void meow_ui_nav_request_exit(void)
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{
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meow_ui_nav_init();
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m_nav_t n;
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memset(&n, 0, sizeof n);
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snprintf(n.app_id, sizeof n.app_id, "%s", nav_app_id());
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n.nav_type = MEOW_NAV_EXIT;
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n.depth = 0;
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(void)meow_notify_ipc_send_raw(MSG_NAV, &n, (uint32_t)sizeof n, 1);
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g_depth = 0;
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g_top[0] = 0;
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}
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