From 2eb1eac6a6d6025203313dfea945097b3257622a Mon Sep 17 00:00:00 2001
From: Seunghun Lee <shiin.lee@samsung.com>
Date: Thu, 11 Aug 2022 17:44:59 +0900
Subject: [PATCH] data_device: Add dnd implementation to ds_data_source_client

Change-Id: I2c08a3a803419e079bf0607dbfd2bae699732fc7
---
 src/data_device/data_source_client.c | 79 +++++++++++++++++++++++++++++++++++-
 1 file changed, 78 insertions(+), 1 deletion(-)

diff --git a/src/data_device/data_source_client.c b/src/data_device/data_source_client.c
index 11501f8..3fa1225 100644
--- a/src/data_device/data_source_client.c
+++ b/src/data_device/data_source_client.c
@@ -13,6 +13,13 @@ static void data_source_client_iface_accept(struct ds_data_source *source,
 static void data_handle_client_iface_send(struct ds_data_source *source,
         const char *mime_type, int32_t fd);
 static void data_source_client_iface_destroy(struct ds_data_source *source);
+static void data_source_client_iface_dnd_drop(
+        struct ds_data_source *ds_source);
+static void data_source_client_iface_dnd_finish(
+        struct ds_data_source *ds_source);
+static void data_source_client_iface_dnd_action(
+        struct ds_data_source *ds_source,
+        enum wl_data_device_manager_dnd_action action);
 
 struct ds_data_source_client *
 create_data_source_client(struct wl_client *client, uint32_t version,
@@ -39,6 +46,21 @@ create_data_source_client(struct wl_client *client, uint32_t version,
     source->iface.send = data_handle_client_iface_send;
     source->iface.destroy = data_source_client_iface_destroy;
 
+    if (wl_resource_get_version(source->resource) >=
+            WL_DATA_SOURCE_DND_DROP_PERFORMED_SINCE_VERSION) {
+        source->iface.dnd_drop = data_source_client_iface_dnd_drop;
+    }
+
+    if (wl_resource_get_version(source->resource) >=
+            WL_DATA_SOURCE_DND_FINISHED_SINCE_VERSION) {
+        source->iface.dnd_finish = data_source_client_iface_dnd_finish;
+    }
+
+    if (wl_resource_get_version(source->resource) >=
+            WL_DATA_SOURCE_ACTION_SINCE_VERSION) {
+        source->iface.dnd_action = data_source_client_iface_dnd_action;
+    }
+
     ds_data_source_init(&source->base, &source->iface);
 
     return source;
@@ -114,7 +136,28 @@ data_source_client_handle_set_actions(struct wl_client *client,
     if (!source)
         return;
 
-    // TODO
+    if (source->base.actions >= 0) {
+        wl_resource_post_error(source->resource,
+                WL_DATA_SOURCE_ERROR_INVALID_ACTION_MASK,
+                "cannot set actions more than once");
+        return;
+    }
+
+    if (dnd_actions & ~DATA_DEVICE_ALL_ACTIONS) {
+        wl_resource_post_error(source->resource,
+                WL_DATA_SOURCE_ERROR_INVALID_ACTION_MASK,
+                "invalid action mask %x", dnd_actions);
+        return;
+    }
+
+    if (source->finalized) {
+        wl_resource_post_error(source->resource,
+                WL_DATA_SOURCE_ERROR_INVALID_ACTION_MASK,
+                "invalid action change after wl_data_device.start_drag");
+        return;
+    }
+
+    source->base.actions = dnd_actions;
 }
 
 static const struct wl_data_source_interface wl_data_source_iface = {
@@ -161,3 +204,37 @@ data_source_client_iface_destroy(struct ds_data_source *ds_source)
     wl_resource_set_user_data(source->resource, NULL);
     free(source);
 }
+
+static void
+data_source_client_iface_dnd_drop(struct ds_data_source *ds_source)
+{
+    struct ds_data_source_client *source;
+
+    source = data_source_client_from_data_source(ds_source);
+    assert(wl_resource_get_version(source->resource) >=
+            WL_DATA_SOURCE_DND_DROP_PERFORMED_SINCE_VERSION);
+    wl_data_source_send_dnd_drop_performed(source->resource);
+}
+
+static void
+data_source_client_iface_dnd_finish(struct ds_data_source *ds_source)
+{
+    struct ds_data_source_client *source;
+
+    source = data_source_client_from_data_source(ds_source);
+    assert(wl_resource_get_version(source->resource) >=
+            WL_DATA_SOURCE_DND_FINISHED_SINCE_VERSION);
+    wl_data_source_send_dnd_finished(source->resource);
+}
+
+static void
+data_source_client_iface_dnd_action(struct ds_data_source *ds_source,
+        enum wl_data_device_manager_dnd_action action)
+{
+    struct ds_data_source_client *source;
+
+    source = data_source_client_from_data_source(ds_source);
+    assert(wl_resource_get_version(source->resource) >=
+            WL_DATA_SOURCE_ACTION_SINCE_VERSION);
+    wl_data_source_send_dnd_finished(source->resource);
+}
-- 
2.7.4