broadway: Add outset shadow node

gdk/broadway/broadway-protocol.h

@@ -13,6 +13,7 @@ typedef enum { /* Sync changes with broadway.js */
   BROADWAY_NODE_CONTAINER,
   BROADWAY_NODE_COLOR,
   BROADWAY_NODE_BORDER,
+  BROADWAY_NODE_OUTSET_SHADOW,
 } BroadwayNodeType;
 
 typedef enum {

gdk/broadway/broadway.js

@@ -371,12 +371,37 @@ SwapNodes.prototype.decode_rounded_rect = function() {
     return r
 }
 
+function args() {
+    var argsLength = arguments.length;
+    var strings = [];
+    for (var i = 0; i < argsLength; ++i)
+        strings[i] = arguments[i];
+
+    return strings.join(" ");
+}
+
+function px(x) {
+    return x + "px";
+}
+
+function set_rrect_style (div, rrect) {
+    div.style["left"] = px(rrect.bounds.x);
+    div.style["top"] = px(rrect.bounds.y);
+    div.style["width"] = px(rrect.bounds.width);
+    div.style["height"] = px(rrect.bounds.height);
+    div.style["border-top-left-radius"] = args(px(rrect.sizes[0].width), px(rrect.sizes[0].height));
+    div.style["border-top-right-radius"] = args(px(rrect.sizes[1].width), px(rrect.sizes[1].height));
+    div.style["border-bottom-right-radius"] = args(px(rrect.sizes[2].width), px(rrect.sizes[2].height));
+    div.style["border-bottom-left-radius"] = args(px(rrect.sizes[3].width), px(rrect.sizes[3].height));
+}
+
 SwapNodes.prototype.handle_node = function(parent)
 {
     var type = this.decode_uint32();
     switch (type)
     {
         case 0:  // TEXTURE
+        {
             var x = this.decode_uint32();
             var y = this.decode_uint32();
             var width = this.decode_uint32();
@@ -386,27 +411,31 @@ SwapNodes.prototype.handle_node = function(parent)
             image.width = width;
             image.height = height;
             image.style["position"] = "absolute";
-        image.style["left"] = x + "px";
+            image.style["left"] = px(x);
-        image.style["top"] = y + "px";
+            image.style["top"] = px(y);
             var texture_url = textures[texture_id];
             this.add_image(image);
             image.src = texture_url;
             parent.appendChild(image);
+        }
         break;
 
     case 1: // CONTAINER
+        {
             var len = this.decode_uint32();
             for (var i = 0; i < len; i++) {
                 this.handle_node(parent);
             }
+        }
         break;
 
     case 2:  // COLOR
+        {
             var x = this.decode_uint32();
             var y = this.decode_uint32();
             var width = this.decode_uint32();
             var height = this.decode_uint32();
-        var c = this.decode_color ()
+            var c = this.decode_color ();
             var div = document.createElement('div');
             div.style["position"] = "absolute";
             div.style["left"] = x + "px";
@@ -415,38 +444,54 @@ SwapNodes.prototype.handle_node = function(parent)
             div.style["height"] = height + "px";
             div.style["background-color"] = c;
             parent.appendChild(div);
+}
         break;
 
     case 3:  // BORDER
+        {
             var rrect = this.decode_rounded_rect();
-        var border_widths = []
+            var border_widths = [];
             for (var i = 0; i < 4; i++)
                 border_widths[i] = this.decode_float();
-        var border_colors = []
+            var border_colors = [];
             for (var i = 0; i < 4; i++)
                 border_colors[i] = this.decode_color();
 
             var div = document.createElement('div');
             div.style["position"] = "absolute";
-        div.style["left"] = rrect.bounds.x + "px";
+            rrect.bounds.width -= border_widths[1] + border_widths[3];
-        div.style["top"] = rrect.bounds.y + "px";
+            rrect.bounds.height -= border_widths[0] + border_widths[2];
-        div.style["width"] = (rrect.bounds.width - border_widths[1] - border_widths[3]) + "px";
+            set_rrect_style(div, rrect, border_widths);
-        div.style["height"] = (rrect.bounds.height - border_widths[0] - border_widths[2]) + "px";
             div.style["border-style"] = "solid";
-        div.style["border-top-left-radius"] = rrect.sizes[0].width + "px " + rrect.sizes[0].height + "px";
-        div.style["border-top-right-radius"] = rrect.sizes[1].width + "px " + rrect.sizes[1].height + "px";
-        div.style["border-bottom-right-radius"] = rrect.sizes[2].width + "px " + rrect.sizes[2].height + "px";
-        div.style["border-bottom-left-radius"] = rrect.sizes[3].width + "px " + rrect.sizes[3].height + "px";
             div.style["border-top-color"] = border_colors[0];
-        div.style["border-top-width"] = border_widths[0] + "px";
+            div.style["border-top-width"] = px(border_widths[0]);
             div.style["border-right-color"] = border_colors[1];
-        div.style["border-right-width"] = border_widths[1] + "px";
+            div.style["border-right-width"] = px(border_widths[1]);
             div.style["border-bottom-color"] = border_colors[2];
-        div.style["border-bottom-width"] = border_widths[2] + "px";
+            div.style["border-bottom-width"] = px(border_widths[2]);
             div.style["border-left-color"] = border_colors[3];
-        div.style["border-left-width"] = border_widths[3] + "px";
+            div.style["border-left-width"] = px(border_widths[3]);
             parent.appendChild(div);
+        }
         break;
+
+    case 4:  // OUTSET_SHADOW
+        {
+            var rrect = this.decode_rounded_rect();
+            var color = this.decode_color();
+            var dx = this.decode_float();
+            var dy = this.decode_float();
+            var spread = this.decode_float();
+            var blur = this.decode_float();
+
+            var div = document.createElement('div');
+            div.style["position"] = "absolute";
+            set_rrect_style(div, rrect, null);
+            div.style["box-shadow"] = args(px(dx), px(dy), px(blur), px(spread), color);
+            parent.appendChild(div);
+        }
+        break;
+
     default:
         alert("Unexpected node type " + type);
     }

gdk/broadway/broadwayd.c

@@ -239,6 +239,9 @@ rewrite_node_textures (BroadwayClient *client,
   case BROADWAY_NODE_BORDER:
     pos += NODE_SIZE_RRECT + 4 * NODE_SIZE_FLOAT + 4 * NODE_SIZE_COLOR;
     break;
+  case BROADWAY_NODE_OUTSET_SHADOW:
+    pos += NODE_SIZE_RRECT + NODE_SIZE_COLOR + 4 * NODE_SIZE_COLOR;
+    break;
   case BROADWAY_NODE_TEXTURE:
     data[pos+4] = GPOINTER_TO_INT (g_hash_table_lookup (client->textures,
                                                         GINT_TO_POINTER (data[pos+4])));

gsk/gskbroadwayrenderer.c

@@ -198,6 +198,18 @@ gsk_broadway_renderer_add_node (GskRenderer *self,
       }
       return;
 
+    case GSK_OUTSET_SHADOW_NODE:
+      {
+        add_uint32 (nodes, BROADWAY_NODE_OUTSET_SHADOW);
+        add_rounded_rect (nodes, gsk_outset_shadow_node_peek_outline (node));
+        add_rgba (nodes, gsk_outset_shadow_node_peek_color (node));
+        add_float (nodes, gsk_outset_shadow_node_get_dx (node));
+        add_float (nodes, gsk_outset_shadow_node_get_dy (node));
+        add_float (nodes, gsk_outset_shadow_node_get_spread (node));
+        add_float (nodes, gsk_outset_shadow_node_get_blur_radius (node));
+      }
+      return;
+
     default:
       {
         cairo_surface_t *surface;