From: Minkyu Kang <mk7.kang@samsung.com>
Date: Thu, 3 Sep 2015 10:19:43 +0000 (+0900)
Subject: zoom: add mouse event
X-Git-Tag: accepted/tizen/tv/20150904.063904^2
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=refs%2Fchanges%2F53%2F47453%2F1;p=profile%2Ftv%2Fapps%2Fnative%2Fair_mediahub.git

zoom: add mouse event

Change-Id: I91d6a83b63c87a0dfc301a0cdf3cde1140ddc3e6
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
---

diff --git a/src/view/zoom.c b/src/view/zoom.c
index da4db9f..e3bd2c5 100644
--- a/src/view/zoom.c
+++ b/src/view/zoom.c
@@ -41,6 +41,8 @@
 #define TOAST_MESSAGE "Press Back to Escape from Zoom mode"
 #define TOAST_TIMEOUT 3.0
 
+#define NAVI_RECT_NUM 5
+
 enum {
 	DIR_UP = 0,
 	DIR_DOWN,
@@ -54,12 +56,15 @@ struct _priv {
 	Evas_Object *base;
 	Evas_Object *photo;
 	Evas_Object *thumb;
-	Evas_Object *navi[DIR_NUM];
+	Evas_Object *navi[NAVI_RECT_NUM];
 	Evas_Object *notify;
 	app_media_info *mi;
 	struct controller *ctl;
 	double image_ratio;
 	double zoom_ratio;
+	int navi_w;
+	int navi_h;
+	bool drag;
 };
 
 struct _btn_info {
@@ -182,6 +187,9 @@ static void _update_navi(struct _priv *priv)
 	mw = pw * priv->image_ratio;
 	mh = ph * priv->image_ratio;
 
+	priv->navi_w = mw;
+	priv->navi_h = mh;
+
 	/* up */
 	x[DIR_UP] = nx;
 	y[DIR_UP] = ny;
@@ -210,6 +218,47 @@ static void _update_navi(struct _priv *priv)
 		evas_object_resize(priv->navi[i], w[i], h[i]);
 		evas_object_move(priv->navi[i], x[i], y[i]);
 	}
+
+	evas_object_resize(priv->navi[i], mw, mh);
+	evas_object_move(priv->navi[i], mx, my);
+}
+
+static void _move_navi(struct _priv *priv, Evas_Coord_Point coord)
+{
+	Evas_Object *obj;
+	int px, py, pw, ph;	/* photo's geometry */
+	int nx, ny, nw, nh;	/* thumb's geometry */
+	int mx, my, mw, mh;	/* navi's geometry */
+	int w, h;
+
+	elm_photocam_image_size_get(priv->photo, &w, &h);
+
+	elm_photocam_image_region_get(priv->photo, &px, &py, &pw, &ph);
+
+	obj = elm_image_object_get(priv->thumb);
+	evas_object_geometry_get(obj, &nx, &ny, &nw, &nh);
+
+	mw = priv->navi_w;
+	mh = priv->navi_h;
+
+	mx = coord.x - (mw / 2);
+	my = coord.y - (mh / 2);
+
+	if (mx < nx)
+		mx = 0;
+	else if (mx > nx + nw - mw)
+		mx = w - pw;
+	else
+		mx = (mx - nx) / priv->image_ratio;
+
+	if (my < ny)
+		my = 0;
+	else if (my > ny + nh - mh)
+		my = h - ph;
+	else
+		my = (my - ny) / priv->image_ratio;
+
+	elm_scroller_region_show(priv->photo, mx, my, pw, ph);
 }
 
 static Eina_Bool _zoom_set(void *data)
@@ -335,7 +384,57 @@ static void _key_down(int id, void *data, Evas *e, Evas_Object *obj,
 	ctl->ops->signal(ctl->handle, dir, sig);
 }
 
-static input_handler _handler = {
+static void _mouse_move(int id, void *data, Evas *e, Evas_Object *obj,
+			Evas_Event_Mouse_Move *ev)
+{
+	struct _priv *priv;
+
+	if (!data || !ev)
+		return;
+
+	priv = data;
+
+	if (!priv->drag)
+		return;
+
+	_move_navi(priv, ev->cur.canvas);
+}
+
+static void _mouse_up(int id, void *data, Evas *e, Evas_Object *obj,
+			Evas_Event_Mouse_Up *ev)
+{
+	struct _priv *priv;
+
+	if (!data || !ev)
+		return;
+
+	priv = data;
+
+	priv->drag = false;
+}
+
+static void _mouse_down(int id, void *data, Evas *e, Evas_Object *obj,
+			Evas_Event_Mouse_Down *ev)
+{
+	struct _priv *priv;
+
+	if (!data || !ev)
+		return;
+
+	priv = data;
+
+	priv->drag = true;
+
+	_move_navi(priv, ev->canvas);
+}
+
+static input_handler _navi_handler = {
+	.mouse_move = _mouse_move,
+	.mouse_down = _mouse_down,
+	.mouse_up = _mouse_up,
+};
+
+static input_handler _btn_handler = {
 	.key_up = _key_up,
 	.key_down = _key_down,
 };
@@ -391,7 +490,7 @@ static bool _draw_navi(struct _priv *priv)
 	Evas_Object *obj;
 	int i;
 
-	for (i = 0; i < DIR_NUM; i++) {
+	for (i = 0; i < NAVI_RECT_NUM; i++) {
 		obj = evas_object_rectangle_add(
 				evas_object_evas_get(priv->base));
 		if (!obj) {
@@ -399,9 +498,15 @@ static bool _draw_navi(struct _priv *priv)
 			return false;
 		}
 
-		evas_object_color_set(obj, 0, 0, 0, 204);
+		if (i == NAVI_RECT_NUM - 1)
+			evas_object_color_set(obj, 0, 0, 0, 0);
+		else
+			evas_object_color_set(obj, 0, 0, 0, 204);
+
 		evas_object_show(obj);
 
+		inputmgr_add_callback(obj, 0, &_navi_handler, priv);
+
 		priv->navi[i] = obj;
 	}
 
@@ -442,7 +547,7 @@ static bool _ui_init(struct _priv *priv)
 
 		obj = ctl->ops->get_object(ctl->handle, i);
 		if (obj)
-			inputmgr_add_callback(obj, 0, &_handler, priv);
+			inputmgr_add_callback(obj, 0, &_btn_handler, priv);
 	}
 
 	priv->ctl = ctl;
@@ -542,9 +647,11 @@ static void _hide(void *view_data)
 	if (priv->thumb)
 		evas_object_del(priv->thumb);
 
-	for (i = 0; i < DIR_NUM; i++) {
-		if (priv->navi[i])
+	for (i = 0; i < NAVI_RECT_NUM; i++) {
+		if (priv->navi[i]) {
+			inputmgr_remove_callback(priv->navi[i], &_navi_handler);
 			evas_object_del(priv->navi[i]);
+		}
 	}
 
 	_hide_toast(priv);
@@ -602,7 +709,7 @@ static void _destroy(void *view_data)
 	for (i = 0; i < ARRAY_SIZE(btn_arrow); i++) {
 		obj = ctl->ops->get_object(ctl->handle, i);
 		if (obj)
-			inputmgr_remove_callback(obj, &_handler);
+			inputmgr_remove_callback(obj, &_btn_handler);
 	}
 
 	evas_object_del(priv->base);