desktop: Tell clients to use current geometry area from start

After the shell UI is started we can tell clients the available geometry
area, and with it, they can avoid resizing to the surface size.

Bug-AGL: SPEC-3839

Signed-off-by: Marius Vlad <marius.vlad@collabora.com>
Change-Id: Id30617dadc665d1ca202a505d98e70eed592e856

1 files changed, 52 insertions, 0 deletions

diff --git a/src/desktop.c b/src/desktop.c
index 9a5ca54..9c1dfae 100644
--- a/src/desktop.c
+++ b/src/desktop.c
@@ -27,6 +27,7 @@
 #include "ivi-compositor.h"
 #include "policy.h"
 
+#include "shared/helpers.h"
 #include <libweston/libweston.h>
 #include <libweston-desktop/libweston-desktop.h>
 
@@ -66,6 +67,43 @@ desktop_pong(struct weston_desktop_client *dclient, void *userdata)
 	/* not supported */
 }
 
+struct weston_output *
+get_default_output(struct weston_compositor *compositor)
+{
+	if (wl_list_empty(&compositor->output_list))
+		return NULL;
+
+	return container_of(compositor->output_list.next,
+			struct weston_output, link);
+}
+
+struct weston_output *
+get_focused_output(struct weston_compositor *compositor)
+{
+	struct weston_seat *seat;
+	struct weston_output *output = NULL;
+
+	wl_list_for_each(seat, &compositor->seat_list, link) {
+		struct weston_touch *touch = weston_seat_get_touch(seat);
+		struct weston_pointer *pointer = weston_seat_get_pointer(seat);
+		struct weston_keyboard *keyboard =
+			weston_seat_get_keyboard(seat);
+
+		if (touch && touch->focus)
+			output = touch->focus->output;
+		else if (pointer && pointer->focus)
+			output = pointer->focus->output;
+		else if (keyboard && keyboard->focus)
+			output = keyboard->focus->output;
+
+		if (output)
+			break;
+	}
+
+	return output;
+}
+
+
 static void
 desktop_surface_added(struct weston_desktop_surface *dsurface, void *userdata)
 {
@@ -74,6 +112,7 @@ desktop_surface_added(struct weston_desktop_surface *dsurface, void *userdata)
 	struct wl_client *client;
 	struct ivi_surface *surface;
 	struct ivi_output *active_output = NULL;
+	struct weston_output *output = NULL;
 	const char *app_id = NULL;
 
 	dclient = weston_desktop_surface_get_client(dsurface);
@@ -123,6 +162,19 @@ desktop_surface_added(struct weston_desktop_surface *dsurface, void *userdata)
 	/* reset any caps to make sure we apply the new caps */
 	ivi_seat_reset_caps_sent(ivi);
 
+	output =  get_focused_output(ivi->compositor);
+	if (!output)
+		output = get_default_output(ivi->compositor);
+
+	if (output && ivi->shell_client.ready) {
+		struct ivi_output *ivi_output = to_ivi_output(output);
+
+		weston_log("Setting surface to initial size of surface to %dx%d\n",
+				ivi_output->area.width, ivi_output->area.height);
+		weston_desktop_surface_set_maximized(dsurface, true);
+		weston_desktop_surface_set_size(dsurface,
+				ivi_output->area.width, ivi_output->area.height);
+	}
 	/*
 	 * We delay creating "normal" desktop surfaces until later, to
 	 * give the shell-client an oppurtunity to set the surface as a