[gnome-usage] quit-process-dialog: Introduce the Quit Process Dialog

[Petr Štětka <pstetka src gnome org>]

commit 9a1a1f1efc43801cef369d0d38ea1e60bfa92fec
Author: Felipe Borges <felipeborges gnome org>
Date:   Wed Nov 1 16:55:44 2017 +0100

    quit-process-dialog: Introduce the Quit Process Dialog
    
    According to the mockups at
    https://raw.githubusercontent.com/gnome-design-team/gnome-mockups/master/usage/usage-performance.png
    
    Solves #22

 data/org.gnome.Usage.gresource.xml |    2 +-
 data/ui/process-dialog.ui          |   24 ------
 data/ui/quit-process-dialog.ui     |   37 ++++++++
 src/meson.build                    |    2 +-
 src/process-dialog.vala            |  159 ------------------------------------
 src/process-row.vala               |    2 +-
 src/quit-process-dialog.vala       |   52 ++++++++++++
 src/sub-process-sub-row.vala       |    2 +-
 8 files changed, 93 insertions(+), 187 deletions(-)
---
diff --git a/data/org.gnome.Usage.gresource.xml b/data/org.gnome.Usage.gresource.xml
index 84e4e4d..2f0e1a6 100644
--- a/data/org.gnome.Usage.gresource.xml
+++ b/data/org.gnome.Usage.gresource.xml
@@ -5,7 +5,7 @@
         <file preprocess="xml-stripblanks">ui/header-bar.ui</file>
         <file preprocess="xml-stripblanks">ui/no-results-found-view.ui</file>
         <file preprocess="xml-stripblanks">ui/performance-view.ui</file>
-        <file preprocess="xml-stripblanks">ui/process-dialog.ui</file>
+        <file preprocess="xml-stripblanks">ui/quit-process-dialog.ui</file>
         <file preprocess="xml-stripblanks">ui/storage-actionbar.ui</file>
         <file preprocess="xml-stripblanks">ui/storage-view.ui</file>
         <file preprocess="xml-stripblanks">ui/process-row.ui</file>
diff --git a/data/ui/quit-process-dialog.ui b/data/ui/quit-process-dialog.ui
new file mode 100644
index 0000000..cb73ecd
--- /dev/null
+++ b/data/ui/quit-process-dialog.ui
@@ -0,0 +1,37 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<interface>
+  <!-- interface-requires gtk+ 3.9 -->
+
+  <template class="UsageQuitProcessDialog" parent="GtkMessageDialog">
+    <property name="modal">True</property>
+    <property name="resizable">False</property>
+    <property name="message-type">question</property>
+    <property name="text" translatable="yes" comments="Translators: This sentence is later suffixed with an 
application name. Example: 'Force Quit Videos?'">Force Quit %s?</property>
+    <property name="secondary-text">Usaved work might be lost.</property>
+
+    <child type="action">
+      <object class="GtkButton" id="button_cancel">
+        <property name="visible">True</property>
+        <property name="can-default">True</property>
+        <property name="label" translatable="yes">Cancel</property>
+        <signal name="clicked" handler="cancel" swapped="no"/>
+      </object>
+    </child>
+
+    <child type="action">
+      <object class="GtkButton" id="button_force_quit">
+        <property name="visible">True</property>
+        <property name="label" translatable="yes">Force Quit</property>
+        <signal name="clicked" handler="on_force_quit_button_clicked"/>
+        <style>
+          <class name="destructive-action"/>
+        </style>
+      </object>
+    </child>
+
+    <action-widgets>
+      <action-widget response="accept">button_force_quit</action-widget>
+      <action-widget response="cancel">button_cancel</action-widget>
+    </action-widgets>
+  </template>
+</interface>
diff --git a/src/meson.build b/src/meson.build
index cdf1bb3..22a2d8a 100644
--- a/src/meson.build
+++ b/src/meson.build
@@ -21,10 +21,10 @@ vala_sources = [
     'no-results-found-view.vala',
     'performance-view.vala',
     'pie-chart.vala',
-    'process-dialog.vala',
     'process-list-box.vala',
     'process-row.vala',
     'process.vala',
+    'quit-process-dialog.vala',
     'settings.vala',
     'storage-actionbar.vala',
     'storage-analyzer.vala',
diff --git a/src/process-row.vala b/src/process-row.vala
index b4ca3ae..29524b5 100644
--- a/src/process-row.vala
+++ b/src/process-row.vala
@@ -218,7 +218,7 @@ namespace Usage
             }
             else
             {
-                var dialog = new ProcessDialog(process.pid, process.display_name, process.cmdline);
+                var dialog = new QuitProcessDialog(process.pid, process.display_name);
                 dialog.show_all();
             }
         }
diff --git a/src/quit-process-dialog.vala b/src/quit-process-dialog.vala
new file mode 100644
index 0000000..46e78e4
--- /dev/null
+++ b/src/quit-process-dialog.vala
@@ -0,0 +1,52 @@
+/* quit-process-dialog.vala
+ *
+ * Copyright (C) 2017 Red Hat, Inc.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * Authors: Felipe Borges <felipeborges gnome org>
+ */
+
+using Gtk;
+
+namespace Usage
+{
+    [GtkTemplate (ui = "/org/gnome/Usage/ui/quit-process-dialog.ui")]
+    public class QuitProcessDialog : Gtk.MessageDialog
+    {
+        Pid pid { set; get; }
+
+        public QuitProcessDialog(Pid pid, string app_name)
+        {
+            this.text = this.text.printf(app_name);
+        }
+
+        [GtkCallback]
+        private void on_force_quit_button_clicked ()
+        {
+            debug ("Terminating %d", (int) this.pid);
+            Posix.kill(this.pid, Posix.SIGKILL);
+
+            this.destroy();
+        }
+
+        [GtkCallback]
+        public void cancel ()
+        {
+            /* FIXME: For some reason we are not able to connect to the
+             * destroy signal right from the .ui file. */
+            this.destroy();
+        }
+    }
+}
diff --git a/src/sub-process-sub-row.vala b/src/sub-process-sub-row.vala
index 77d13e8..eba1b32 100644
--- a/src/sub-process-sub-row.vala
+++ b/src/sub-process-sub-row.vala
@@ -93,7 +93,7 @@ namespace Usage
 
         public new void activate()
         {
-            var dialog = new ProcessDialog(process.pid, process.cmdline, process.cmdline);
+            var dialog = new QuitProcessDialog(process.pid, process.cmdline);
             dialog.show_all();
         }
     }