plugin-api: deviced: Add interface for changing display state

Change-Id: I43e1862b655695174f17be7280ac372650ae2f53
Signed-off-by: Youngjae Cho <y0.cho@samsung.com>

5 files changed, 50 insertions, 0 deletions

diff --git a/src/plugin-api/deviced/include/system/syscommon-plugin-deviced-display-interface.h b/src/plugin-api/deviced/include/system/syscommon-plugin-deviced-display-interface.h
index dfc1c0c..fbea058 100644
--- a/src/plugin-api/deviced/include/system/syscommon-plugin-deviced-display-interface.h
+++ b/src/plugin-api/deviced/include/system/syscommon-plugin-deviced-display-interface.h
@@ -26,6 +26,7 @@
 #define __SYSCOMMON_PLUGIN_DEVICED_DISPLAY_INTERFACE_H__
 
 #include <stdbool.h>
+#include <sys/types.h>
 #include <glib.h>
 
 #ifdef __cplusplus
@@ -158,6 +159,7 @@ typedef struct _syscommon_plugin_backend_deviced_display_funcs {
 	int (*set_powersaving_mode) (int enable);
 	int (*control_auto_brightness) (int mode, int brightness);
 	int (*set_auto_brightness_min) (int brightness, const char *name);
+	int (*proc_change_state) (unsigned int cond, pid_t pid);
 } syscommon_plugin_backend_deviced_display_funcs;
 
 #ifdef __cplusplus
diff --git a/src/plugin-api/deviced/include/system/syscommon-plugin-deviced-display.h b/src/plugin-api/deviced/include/system/syscommon-plugin-deviced-display.h
index 97f543f..d8ef737 100644
--- a/src/plugin-api/deviced/include/system/syscommon-plugin-deviced-display.h
+++ b/src/plugin-api/deviced/include/system/syscommon-plugin-deviced-display.h
@@ -156,6 +156,14 @@ int syscommon_plugin_deviced_display_control_auto_brightness(int mode, int brigh
  */
 int syscommon_plugin_deviced_display_set_auto_brightness_min(int brightness, const char *name);
 
+/**
+ * @brief Plugin implementation for change state
+ * @param[in] cond Condition for change state
+ * @param[in] pid Pid of which process has requested
+ * @return @c 0 on success, otherwise a negative error value
+ */
+int syscommon_plugin_deviced_display_proc_change_state(unsigned int cond, pid_t pid);
+
 #ifdef __cplusplus
 }
 #endif
diff --git a/src/plugin-api/deviced/src/syscommon-plugin-deviced-display.c b/src/plugin-api/deviced/src/syscommon-plugin-deviced-display.c
index 3f4c795..f92a180 100644
--- a/src/plugin-api/deviced/src/syscommon-plugin-deviced-display.c
+++ b/src/plugin-api/deviced/src/syscommon-plugin-deviced-display.c
@@ -367,3 +367,22 @@ int syscommon_plugin_deviced_display_set_auto_brightness_min(int brightness, con
 
 	return g_display_funcs->set_auto_brightness_min(brightness, name);
 }
+
+EXPORT
+int syscommon_plugin_deviced_display_proc_change_state(unsigned int cond, pid_t pid)
+{
+	int ret = 0;
+
+	if (!g_display_funcs) {
+		ret = syscommon_plugin_deviced_display_get_backend();
+		if (ret < 0)
+			return -ENOTSUP;
+	}
+
+	assert(g_display_funcs);
+
+	if (!g_display_funcs->proc_change_state)
+		return -EOPNOTSUPP;
+
+	return g_display_funcs->proc_change_state(cond, pid);
+}
diff --git a/tests/plugin-api/deviced/test-plugin-display.c b/tests/plugin-api/deviced/test-plugin-display.c
index 81b98b2..959b42d 100644
--- a/tests/plugin-api/deviced/test-plugin-display.c
+++ b/tests/plugin-api/deviced/test-plugin-display.c
@@ -137,6 +137,14 @@ static int set_auto_brightness_min(int brightness, const char *name)
 	return 0;
 }
 
+static int proc_change_state(unsigned int cond, pid_t pid)
+{
+	check_expected(cond);
+	check_expected(pid);
+
+	return 0;
+}
+
 static syscommon_plugin_backend_deviced_display_funcs g_display_funcs = {
 	.load_display_config = load_display_config,
 	.load_state_info = load_state_info,
@@ -153,6 +161,7 @@ static syscommon_plugin_backend_deviced_display_funcs g_display_funcs = {
 	.set_powersaving_mode = set_powersaving_mode,
 	.control_auto_brightness = control_auto_brightness,
 	.set_auto_brightness_min = set_auto_brightness_min,
+	.proc_change_state = proc_change_state,
 };
 
 static int deviced_display_init(void **data)
diff --git a/tests/plugin-api/deviced/test.c b/tests/plugin-api/deviced/test.c
index 480d14e..2c7209e 100644
--- a/tests/plugin-api/deviced/test.c
+++ b/tests/plugin-api/deviced/test.c
@@ -186,6 +186,17 @@ static void test_set_auto_brightness_min(void **state)
 	assert_int_equal(ret, 0);
 }
 
+static void test_proc_change_state(void **state)
+{
+	int ret;
+
+	expect_value(proc_change_state, cond, 3);
+	expect_value(proc_change_state, pid, 495);
+
+	ret = syscommon_plugin_deviced_display_proc_change_state(3, 495);
+	assert_int_equal(ret, 0);
+}
+
 static const struct CMUnitTest testsuite_plugin_api_deviced[] = {
 	cmocka_unit_test(test_load_state_info),
 	cmocka_unit_test(test_notify_setting_value_changed),
@@ -201,5 +212,6 @@ static const struct CMUnitTest testsuite_plugin_api_deviced[] = {
 	cmocka_unit_test(test_set_powersaving_mode),
 	cmocka_unit_test(test_control_auto_brightness),
 	cmocka_unit_test(test_set_auto_brightness_min),
+	cmocka_unit_test(test_proc_change_state),
 };
 TESTSUITE_FIXTURE(testsuite_plugin_api_deviced, setup_plugin_deviced, teardown_plugin_deviced)