Support legacy lifecycle

This patch is for backward compatibility.
In Tizen 2.3, the resume callback is invoked when getting the reset event.

Change-Id: I741be7217ef3b81435a72a84f2e6bf592fcff18f
Signed-off-by: Hwankyu Jhun <h.jhun@samsung.com>

5 files changed, 124 insertions, 27 deletions

diff --git a/include/appcore_efl_base.h b/include/appcore_efl_base.h
index ac86a72..90903d2 100644
--- a/include/appcore_efl_base.h
+++ b/include/appcore_efl_base.h
@@ -35,6 +35,7 @@ enum appcore_efl_base_hint {
 	APPCORE_EFL_BASE_HINT_BG_LAUNCH_CONTROL = APPCORE_UI_BASE_HINT_BG_LAUNCH_CONTROL,
 	APPCORE_EFL_BASE_HINT_HW_ACC_CONTROL = APPCORE_UI_BASE_HINT_HW_ACC_CONTROL,
 	APPCORE_EFL_BASE_HINT_WINDOW_AUTO_CONTROL = APPCORE_UI_BASE_HINT_WINDOW_AUTO_CONTROL,
+	APPCORE_EFL_BASE_HINT_LEGACY_CONTROL = APPCORE_UI_BASE_HINT_LEGACY_CONTROL,
 };
 
 int appcore_efl_base_on_receive(aul_type type, bundle *b);
@@ -60,6 +61,8 @@ void appcore_efl_base_group_remove();
 unsigned int appcore_efl_base_get_main_window(void);
 unsigned int appcore_efl_base_get_main_surface(void);
 int appcore_efl_base_get_hint(void);
+bool appcore_efl_base_get_bg_state(void);
+void appcore_efl_base_set_bg_state(bool bg_state);
 
 #ifdef __cplusplus
 }
diff --git a/include/appcore_ui_base.h b/include/appcore_ui_base.h
index 9359564..83f648d 100644
--- a/include/appcore_ui_base.h
+++ b/include/appcore_ui_base.h
@@ -46,6 +46,7 @@ enum appcore_ui_base_hint {
 	APPCORE_UI_BASE_HINT_BG_LAUNCH_CONTROL = 0x4,
 	APPCORE_UI_BASE_HINT_HW_ACC_CONTROL = 0x8,
 	APPCORE_UI_BASE_HINT_WINDOW_AUTO_CONTROL = 0x10,
+	APPCORE_UI_BASE_HINT_LEGACY_CONTROL = 0x20,
 };
 
 int appcore_ui_base_on_receive(aul_type type, bundle *b);
@@ -72,6 +73,8 @@ void appcore_ui_base_group_remove();
 unsigned int appcore_ui_base_get_main_window(void);
 unsigned int appcore_ui_base_get_main_surface(void);
 int appcore_ui_base_get_hint(void);
+bool appcore_ui_base_get_bg_state(void);
+void appcore_ui_base_set_bg_state(bool bg_state);
 
 #ifdef __cplusplus
 }
diff --git a/src/efl_base/appcore_efl_base.c b/src/efl_base/appcore_efl_base.c
index 5cea46c..1ac09fd 100644
--- a/src/efl_base/appcore_efl_base.c
+++ b/src/efl_base/appcore_efl_base.c
@@ -14,6 +14,7 @@
  * limitations under the License.
  */
 
+#define _GNU_SOURCE
 #include <stdio.h>
 #include <string.h>
 #include <stdlib.h>
@@ -190,3 +191,13 @@ EXPORT_API int appcore_efl_base_get_hint(void)
 {
 	return appcore_ui_base_get_hint();
 }
+
+EXPORT_API bool appcore_efl_base_get_bg_state(void)
+{
+	return appcore_ui_base_get_bg_state();
+}
+
+EXPORT_API void appcore_efl_base_set_bg_state(bool bg_state)
+{
+	appcore_ui_base_set_bg_state(bg_state);
+}
diff --git a/src/legacy/appcore-efl.c b/src/legacy/appcore-efl.c
index 503e550..b171a27 100644
--- a/src/legacy/appcore-efl.c
+++ b/src/legacy/appcore-efl.c
@@ -99,7 +99,8 @@ EXPORT_API int appcore_efl_init(const char *name, int *argc, char ***argv,
 			APPCORE_EFL_BASE_HINT_WINDOW_STACK_CONTROL |
 			APPCORE_EFL_BASE_HINT_BG_LAUNCH_CONTROL |
 			APPCORE_EFL_BASE_HINT_HW_ACC_CONTROL |
-			APPCORE_EFL_BASE_HINT_WINDOW_AUTO_CONTROL);
+			APPCORE_EFL_BASE_HINT_WINDOW_AUTO_CONTROL |
+			APPCORE_EFL_BASE_HINT_LEGACY_CONTROL);
 
 	return ret;
 }
diff --git a/src/ui_base/appcore_ui_base.c b/src/ui_base/appcore_ui_base.c
index d6521b3..4aaa141 100644
--- a/src/ui_base/appcore_ui_base.c
+++ b/src/ui_base/appcore_ui_base.c
@@ -14,6 +14,7 @@
  * limitations under the License.
  */
 
+#define _GNU_SOURCE
 #include <sys/types.h>
 #include <sys/socket.h>
 #include <sys/un.h>
@@ -62,6 +63,7 @@ typedef struct _appcore_ui_base_context {
 	unsigned int hint;
 	char *below_app;
 	char *appid;
+	bool bg_state;
 
 	int state;
 	Ecore_Event_Handler *hshow;
@@ -86,7 +88,6 @@ static appcore_ui_base_context __context;
 static struct wl_display *dsp;
 static struct wl_registry *reg;
 static struct tizen_policy *tz_policy;
-static bool bg_state = false;
 
 static void __wl_listener_cb(void *data, struct wl_registry *reg,
 		uint32_t id, const char *interface, uint32_t ver)
@@ -406,8 +407,8 @@ static void __set_bg_state(void)
 
 	tizen_policy_set_background_state(tz_policy, getpid());
 	wl_display_roundtrip(dsp);
-	bg_state = true;
-	_DBG("bg state: %d", bg_state);
+	__context.bg_state = true;
+	_DBG("bg state: %d", __context.bg_state);
 }
 
 static void __unset_bg_state(void)
@@ -417,8 +418,8 @@ static void __unset_bg_state(void)
 
 	tizen_policy_unset_background_state(tz_policy, getpid());
 	wl_display_roundtrip(dsp);
-	bg_state = false;
-	_DBG("bg state: %d", bg_state);
+	__context.bg_state = false;
+	_DBG("bg state: %d", __context.bg_state);
 }
 
 static void __do_start(bundle *b)
@@ -445,20 +446,43 @@ static void __do_start(bundle *b)
 	if (__context.hint & APPCORE_UI_BASE_HINT_BG_LAUNCH_CONTROL) {
 		bg_launch = bundle_get_val(b, AUL_SVC_K_BG_LAUNCH);
 		if (bg_launch && strcmp(bg_launch, "enable") == 0) {
-			if (!bg_state && __context.state != AS_RUNNING)
+			if (!__context.bg_state &&
+					__context.state != AS_RUNNING)
 				__set_bg_state();
 		} else {
-			if (bg_state)
+			if (__context.bg_state)
 				__unset_bg_state();
 		}
 	}
 
 	if (__context.hint & APPCORE_UI_BASE_HINT_WINDOW_AUTO_CONTROL) {
-		if (!bg_state)
+		if (!__context.bg_state)
 			__raise_win();
 	}
 }
 
+static int __is_legacy_lifecycle(void)
+{
+	static int is_legacy = -1;
+	const char *api_version;
+
+	if (is_legacy != -1)
+		return is_legacy;
+
+	api_version = getenv("TIZEN_API_VERSION");
+	if (api_version) {
+		if (strverscmp("2.4", api_version) > 0 &&
+				strverscmp("2.2.1", api_version) < 0)
+			is_legacy = 1;
+		else
+			is_legacy = 0;
+	} else {
+		is_legacy = 0;
+	}
+
+	return is_legacy;
+}
+
 EXPORT_API int appcore_ui_base_on_receive(aul_type type, bundle *b)
 {
 	if (__context.state == AS_DYING) {
@@ -477,9 +501,15 @@ EXPORT_API int appcore_ui_base_on_receive(aul_type type, bundle *b)
 	switch (type) {
 	case AUL_START:
 		__do_start(b);
+		if (__context.hint & APPCORE_UI_BASE_HINT_LEGACY_CONTROL) {
+			if (!__context.bg_state && __is_legacy_lifecycle()) {
+				_DBG("Legacy lifecycle");
+				__do_resume();
+			}
+		}
 		break;
 	case AUL_RESUME:
-		if (bg_state)
+		if (__context.bg_state)
 			__unset_bg_state();
 		__raise_win();
 		break;
@@ -502,17 +532,66 @@ EXPORT_API int appcore_ui_base_on_receive(aul_type type, bundle *b)
 	return 0;
 }
 
-EXPORT_API int appcore_ui_base_on_create(void)
+static void __add_ecore_events(void)
 {
-	appcore_base_on_create();
+	__context.hshow = ecore_event_handler_add(ECORE_WL_EVENT_WINDOW_SHOW,
+			__stub_show_cb, NULL);
+	if (!__context.hshow)
+		_ERR("Failed to add ECORE_WL_EVENT_WINDOW_SHOW event");
+
+	__context.hhide = ecore_event_handler_add(ECORE_WL_EVENT_WINDOW_HIDE,
+			__stub_hide_cb, NULL);
+	if (!__context.hhide)
+		_ERR("Failed to add ECORE_WL_EVENT_WINDOW_HIDE event");
 
-	__context.hshow = ecore_event_handler_add(ECORE_WL_EVENT_WINDOW_SHOW, __stub_show_cb, NULL);
-	__context.hhide = ecore_event_handler_add(ECORE_WL_EVENT_WINDOW_HIDE, __stub_hide_cb, NULL);
 	__context.hvchange = ecore_event_handler_add(ECORE_WL_EVENT_WINDOW_VISIBILITY_CHANGE,
-				__stub_visibility_cb, NULL);
-	__context.hlower = ecore_event_handler_add(ECORE_WL_EVENT_WINDOW_LOWER, __stub_lower_cb, NULL);
+			__stub_visibility_cb, NULL);
+	if (!__context.hvchange)
+		_ERR("Failed to add ECORE_WL_EVENT_WINDOW_VISIBILITY_CHANGE event");
+
+	__context.hlower = ecore_event_handler_add(ECORE_WL_EVENT_WINDOW_LOWER,
+			__stub_lower_cb, NULL);
+	if (!__context.hlower)
+		_ERR("Failed to add ECORE_WL_EVENT_WINDOW_LOWER event");
+
 	__context.hpvchange = ecore_event_handler_add(ECORE_WL_EVENT_WINDOW_PRE_VISIBILITY_CHANGE,
 			__stub_pre_visibility_cb, NULL);
+	if (!__context.hpvchange)
+		_ERR("Failed to add ECORE_WL_EVENT_WINDOW_PRE_VISIBILITY_CHANGE event");
+}
+
+static void __del_ecore_events(void)
+{
+	if (__context.hshow) {
+		ecore_event_handler_del(__context.hshow);
+		__context.hshow = NULL;
+	}
+
+	if (__context.hhide) {
+		ecore_event_handler_del(__context.hhide);
+		__context.hhide = NULL;
+	}
+
+	if (__context.hvchange) {
+		ecore_event_handler_del(__context.hvchange);
+		__context.hvchange = NULL;
+	}
+
+	if (__context.hlower) {
+		ecore_event_handler_del(__context.hlower);
+		__context.hlower = NULL;
+	}
+
+	if (__context.hpvchange) {
+		ecore_event_handler_del(__context.hpvchange);
+		__context.hpvchange = NULL;
+	}
+}
+
+EXPORT_API int appcore_ui_base_on_create(void)
+{
+	__add_ecore_events();
+	appcore_base_on_create();
 	__context.state = AS_CREATED;
 	LOG(LOG_DEBUG, "LAUNCH", "[%s:Application:create:done]", __context.appid);
 
@@ -743,17 +822,7 @@ EXPORT_API int appcore_ui_base_init(appcore_ui_base_ops ops, int argc, char **ar
 
 EXPORT_API void appcore_ui_base_fini(void)
 {
-	if (__context.hshow)
-		ecore_event_handler_del(__context.hshow);
-	if (__context.hhide)
-		ecore_event_handler_del(__context.hhide);
-	if (__context.hvchange)
-		ecore_event_handler_del(__context.hvchange);
-	if (__context.hlower)
-		ecore_event_handler_del(__context.hlower);
-	if (__context.hpvchange)
-		ecore_event_handler_del(__context.hpvchange);
-
+	__del_ecore_events();
 	__finish_wl();
 
 	free(__context.appid);
@@ -799,6 +868,16 @@ EXPORT_API int appcore_ui_base_get_hint(void)
 	return __context.hint;
 }
 
+EXPORT_API bool appcore_ui_base_get_bg_state(void)
+{
+	return __context.bg_state;
+}
+
+EXPORT_API void appcore_ui_base_set_bg_state(bool bg_state)
+{
+	__context.bg_state = bg_state;
+}
+
 static int __on_receive(aul_type type, bundle *b, void *data)
 {
 	return appcore_ui_base_on_receive(type, b);