[PATCH weston] ivi-shell: add screen_remove_layer API

[Ucan, Emre (ADITG/SW1)]

It is analagous to layer_remove_surface API.
The API removes a layer from the render order of
the screen.

Signed-off-by: Emre Ucan <eucan at de.adit-jv.com>
---
 ivi-shell/ivi-layout-export.h |   10 ++++++++++
 ivi-shell/ivi-layout.c        |   22 ++++++++++++++++++++++
 2 files changed, 32 insertions(+)

diff --git a/ivi-shell/ivi-layout-export.h b/ivi-shell/ivi-layout-export.h
index 2317d6e..ea3bf37 100644
--- a/ivi-shell/ivi-layout-export.h
+++ b/ivi-shell/ivi-layout-export.h
@@ -541,6 +541,16 @@ struct ivi_layout_interface {
 				    struct ivi_layout_layer *addlayer);
 
 	/**
+	 * \brief Remove a ivi_layer from a weston_output which is currently managed
+	 * by the service
+	 *
+	 * \return IVI_SUCCEEDED if the method call was successful
+	 * \return IVI_FAILED if the method call was failed
+	 */
+	int32_t (*screen_remove_layer)(struct weston_output *output,
+				    struct ivi_layout_layer *removelayer);
+
+	/**
 	 * \brief Sets render order of ivi_layers on a weston_output
 	 *
 	 * \return IVI_SUCCEEDED if the method call was successful
diff --git a/ivi-shell/ivi-layout.c b/ivi-shell/ivi-layout.c
index 60d05c4..9c1865a 100644
--- a/ivi-shell/ivi-layout.c
+++ b/ivi-shell/ivi-layout.c
@@ -1660,6 +1660,27 @@ ivi_layout_screen_add_layer(struct weston_output *output,
 }
 
 static int32_t
+ivi_layout_screen_remove_layer(struct weston_output *output,
+			    struct ivi_layout_layer *removelayer)
+{
+	struct ivi_layout_screen *iviscrn;
+
+	if (output == NULL || removelayer == NULL) {
+		weston_log("ivi_layout_screen_remove_layer: invalid argument\n");
+		return IVI_FAILED;
+	}
+
+	iviscrn = get_screen_from_output(output);
+
+	wl_list_remove(&removelayer->pending.link);
+	wl_list_init(&removelayer->pending.link);
+
+	iviscrn->order.dirty = 1;
+
+	return IVI_SUCCEEDED;
+}
+
+static int32_t
 ivi_layout_screen_set_render_order(struct weston_output *output,
 				   struct ivi_layout_layer **pLayer,
 				   const int32_t number)
@@ -2084,6 +2105,7 @@ static struct ivi_layout_interface ivi_layout_interface = {
 	 */
 	.get_screens_under_layer	= ivi_layout_get_screens_under_layer,
 	.screen_add_layer		= ivi_layout_screen_add_layer,
+	.screen_remove_layer		= ivi_layout_screen_remove_layer,
 	.screen_set_render_order	= ivi_layout_screen_set_render_order,
 
 	/**
-- 
1.7.9.5