[polari] lib: Implement FixedSizeFrame in JS

[Florian Müllner <fmuellner src gnome org>]

commit 1bfd31f21a1605fc0a09e6c0698ad9dea27c4fc1
Author: Florian Müllner <fmuellner gnome org>
Date:   Wed Dec 23 21:40:28 2015 +0100

    lib: Implement FixedSizeFrame in JS
    
    Gjs now supports externally contructed GObjects, so we no longer
    need to implement it in C to use it with GtkBuilder.

 data/resources/main-window.ui     |    2 +-
 src/Makefile-lib.am               |    2 -
 src/application.js                |    2 +-
 src/lib/polari-fixed-size-frame.c |  219 -------------------------------------
 src/lib/polari-fixed-size-frame.h |   31 -----
 src/mainWindow.js                 |   71 ++++++++++++
 6 files changed, 73 insertions(+), 254 deletions(-)
---
diff --git a/data/resources/main-window.ui b/data/resources/main-window.ui
index 7b86ede..f1472d3 100644
--- a/data/resources/main-window.ui
+++ b/data/resources/main-window.ui
@@ -186,7 +186,7 @@
             <property name="hexpand">False</property>
             <property name="transition_type">slide-right</property>
             <child>
-              <object class="PolariFixedSizeFrame" id="frame1">
+              <object class="Gjs_FixedSizeFrame" id="frame1">
                 <property name="visible">True</property>
                 <property name="hexpand">False</property>
                 <property name="width">200</property>
diff --git a/src/Makefile-lib.am b/src/Makefile-lib.am
index c76b1a9..839f07b 100644
--- a/src/Makefile-lib.am
+++ b/src/Makefile-lib.am
@@ -2,14 +2,12 @@ pkglib_LTLIBRARIES = libpolari-1.0.la
 
 libpolari_headers = \
        lib/polari-drag-helper.h \
-       lib/polari-fixed-size-frame.h \
        lib/polari-room.h \
        lib/polari-util.h \
        $(NULL)
 
 libpolari_sources = \
        lib/polari-drag-helper.c \
-       lib/polari-fixed-size-frame.c \
        lib/polari-room.c \
        lib/polari-util.c \
        $(NULL)
diff --git a/src/application.js b/src/application.js
index f454f82..3d67ad7 100644
--- a/src/application.js
+++ b/src/application.js
@@ -35,7 +35,7 @@ const Application = new Lang.Class({
     vfunc_startup: function() {
         this.parent();
 
-        let w = new Polari.FixedSizeFrame(); // register gtype
+        let w = new MainWindow.FixedSizeFrame(); // register gtype
         w.destroy();
 
         this._chatroomManager = ChatroomManager.getDefault();
diff --git a/src/mainWindow.js b/src/mainWindow.js
index e6b8327..d783862 100644
--- a/src/mainWindow.js
+++ b/src/mainWindow.js
@@ -1,6 +1,7 @@
 const Gdk = imports.gi.Gdk;
 const Gio = imports.gi.Gio;
 const GLib = imports.gi.GLib;
+const GObject = imports.gi.GObject;
 const Gtk = imports.gi.Gtk;
 const Tp = imports.gi.TelepathyGLib;
 
@@ -19,6 +20,76 @@ const Utils = imports.utils;
 const CONFIGURE_TIMEOUT = 100; /* ms */
 
 
+const FixedSizeFrame = new Lang.Class({
+    Name: 'FixedSizeFrame',
+    Extends: Gtk.Frame,
+    Properties: {
+        height: GObject.ParamSpec.int('height',
+                                      'height',
+                                      'height',
+                                      GObject.ParamFlags.READWRITE,
+                                      -1, GLib.MAXINT32, -1),
+        width: GObject.ParamSpec.int('width',
+                                     'width',
+                                     'width',
+                                     GObject.ParamFlags.READWRITE,
+                                     -1, GLib.MAXINT32, -1)
+    },
+
+    _init: function(params) {
+        this._height = -1;
+        this._width = -1;
+
+        this.parent(params);
+    },
+
+    _queueRedraw: function() {
+        let child = this.get_child();
+        if (child)
+            child.queue_resize();
+        this.queue_draw();
+    },
+
+    get height() {
+        return this._height;
+    },
+
+    set height(height) {
+        if (height == this._height)
+            return;
+        this._height = height;
+        this.notify('height');
+        this._queueRedraw();
+    },
+
+    get width() {
+        return this._width;
+    },
+
+    set width(width) {
+        if (width == this._width)
+            return;
+
+        this._width = width;
+        this.notify('width');
+        this._queueRedraw();
+    },
+
+    vfunc_get_preferred_width_for_height: function(forHeight) {
+        if (this._width < 0)
+            return this.parent(forHeight);
+        else
+            return [this._width, this._width];
+    },
+
+    vfunc_get_preferred_height_for_width: function(forWidth) {
+        if (this._height < 0)
+            return this.parent(forWidth);
+        else
+            return [this._height, this._height];
+    }
+});
+
 const MainWindow = new Lang.Class({
     Name: 'MainWindow',