[recipes] Add a special welcome dialog

[Matthias Clasen <matthiasc src gnome org>]

commit 3956fed3474240b2b5d50b79578d54de1b1f9e7f
Author: Matthias Clasen <mclasen redhat com>
Date:   Fri Jul 14 17:16:42 2017 -0400

    Add a special welcome dialog
    
    Wrap the present.

 po/POTFILES.in            |    1 +
 src/gr-app.c              |    2 +
 src/gr-window.c           |   38 ++++++++++++++++++++++++++
 src/gr-window.h           |    1 +
 src/recipe-surprise.ui    |   65 +++++++++++++++++++++++++++++++++++++++++++++
 src/recipes.gresource.xml |    2 +
 src/surprise.jpg          |  Bin 0 -> 15567 bytes
 7 files changed, 109 insertions(+), 0 deletions(-)
---
diff --git a/po/POTFILES.in b/po/POTFILES.in
index 1b03ea1..4f79491 100644
--- a/po/POTFILES.in
+++ b/po/POTFILES.in
@@ -31,6 +31,7 @@ src/menus.ui
 src/recipe-conflict-dialog.ui
 src/recipe-export-dialog.ui
 src/recipe-whats-new-dialog.ui
+src/recipe-surprise.ui
 src/gr-about-dialog.c
 src/gr-account.c
 src/gr-app.c
diff --git a/src/gr-app.c b/src/gr-app.c
index 09ed38b..f019b94 100644
--- a/src/gr-app.c
+++ b/src/gr-app.c
@@ -68,6 +68,8 @@ gr_app_activate (GApplication *app)
         if (!win)
                 win = GTK_WINDOW (gr_window_new (GR_APP (app)));
         gtk_window_present (win);
+
+        gr_window_show_surprise (win);
 }
 
 static void
diff --git a/src/gr-window.c b/src/gr-window.c
index 2603a0a..cb97462 100644
--- a/src/gr-window.c
+++ b/src/gr-window.c
@@ -1500,6 +1500,44 @@ gr_release_info_new (const char *version,
         return box;
 }
 
+static gboolean
+should_show_surprise (void)
+{
+        g_autoptr(GDateTime) now = NULL;
+        g_autoptr(GDateTime) start = NULL;
+        g_autoptr(GDateTime) end = NULL;
+
+        if (g_getenv ("SHOW_SURPRISE"))
+                return TRUE;
+
+        now = g_date_time_new_now_utc ();
+        start = g_date_time_new_utc (2017, 7, 27, 0, 0, 0);
+        end = g_date_time_new_utc (2017, 12, 31, 0, 0, 0);
+
+        if (g_date_time_compare (start, now) < 0 && g_date_time_compare (now, end) < 0)
+                return TRUE;
+
+        return FALSE;
+}
+
+void
+gr_window_show_surprise (GrWindow *window)
+{
+        g_autoptr(GtkBuilder) builder = NULL;
+        GtkWindow *dialog;
+        GtkWidget *button;
+
+        if (!should_show_surprise ())
+                return;
+
+        builder = gtk_builder_new_from_resource ("/org/gnome/Recipes/recipe-surprise.ui");
+        dialog = GTK_WINDOW (gtk_builder_get_object (builder, "dialog"));
+        button = GTK_WIDGET (gtk_builder_get_object (builder, "close_button"));
+        g_signal_connect_swapped (button, "clicked", G_CALLBACK (gtk_widget_destroy), dialog);
+        gtk_window_set_transient_for (dialog, GTK_WINDOW (window));
+        gr_window_present_dialog (window, dialog);
+}
+
 void
 gr_window_show_news (GrWindow *window)
 {
diff --git a/src/gr-window.h b/src/gr-window.h
index 4bd2640..8120fae 100644
--- a/src/gr-window.h
+++ b/src/gr-window.h
@@ -76,6 +76,7 @@ void            gr_window_show_my_chef_information   (GrWindow   *window);
 void            gr_window_show_about_dialog          (GrWindow   *window);
 void            gr_window_show_report_issue          (GrWindow   *window);
 void            gr_window_show_news                  (GrWindow   *window);
+void            gr_window_show_surprise              (GrWindow   *window);
 
 void            gr_window_load_recipe                (GrWindow   *window,
                                                       GFile      *file);
diff --git a/src/recipe-surprise.ui b/src/recipe-surprise.ui
new file mode 100644
index 0000000..d612f61
--- /dev/null
+++ b/src/recipe-surprise.ui
@@ -0,0 +1,65 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<interface domain="gnome-recipes">
+  <object class="GtkWindow" id="dialog">
+    <property name="modal">1</property>
+    <property name="resizable">0</property>
+    <property name="type-hint">dialog</property>
+    <property name="destroy-with-parent">1</property>
+    <style>
+      <class name="view"/>
+    </style>
+    <child type="titlebar">
+      <object class="GtkHeaderBar">
+        <property name="visible">0</property>
+        <property name="title">Welcome</property>
+        <property name="show-close-button">0</property>
+      </object>
+    </child>
+    <child>
+      <object class="GtkBox">
+        <property name="visible">1</property>
+        <property name="margin">20</property>
+        <property name="orientation">vertical</property>
+        <style>
+          <class name="view"/>
+        </style>
+        <child>
+          <object class="GtkLabel">
+            <property name="visible">1</property>
+            <property name="label" translatable="yes">GNOME turns 20 !</property>
+            <style>
+              <class name="welcome"/>
+              <class name="heading"/>
+            </style>
+          </object>
+        </child>
+        <child>
+          <object class="GtkImage">
+            <property name="visible">1</property>
+            <property name="resource">/org/gnome/Recipes/surprise.jpg</property>
+          </object>
+        </child>
+        <child>
+          <object class="GtkLabel">
+            <property name="visible">1</property>
+            <property name="wrap">1</property>
+            <property name="max-width-chars">55</property>
+            <property name="width-chars">55</property>
+            <property name="label" translatable="yes">Recipes is a present to GNOME for its 20th birthday. 
We invite the GNOME community all over the world to share recipes and enjoy a good meal together.</property>
+          </object>
+        </child>
+        <child>
+          <object class="GtkButton" id="close_button">
+            <property name="visible">1</property>
+            <property name="halign">center</property>
+            <property name="margin-top">20</property>
+            <property name="label" translatable="yes">Let's Party</property>
+            <style>
+              <class name="suggested-action"/>
+            </style>
+          </object>
+        </child>
+      </object>
+    </child>
+  </object>
+</interface>
diff --git a/src/recipes.gresource.xml b/src/recipes.gresource.xml
index dab6a2b..2b66091 100644
--- a/src/recipes.gresource.xml
+++ b/src/recipes.gresource.xml
@@ -32,7 +32,9 @@
     <file preprocess="xml-stripblanks">recipe-conflict-dialog.ui</file>
     <file preprocess="xml-stripblanks">recipe-export-dialog.ui</file>
     <file preprocess="xml-stripblanks">recipe-whats-new-dialog.ui</file>
+    <file preprocess="xml-stripblanks">recipe-surprise.ui</file>
     <file preprocess="xml-stripblanks">menus.ui</file>
+    <file>surprise.jpg</file>
     <file>recipes.css</file>
     <file>recipes-light.css</file>
     <file>recipes-dark.css</file>
diff --git a/src/surprise.jpg b/src/surprise.jpg
new file mode 100644
index 0000000..1a6ecb0
Binary files /dev/null and b/src/surprise.jpg differ