[gnome-boxes] Add TransferInfoRow

[Felipe Borges <felipeborges src gnome org>]

commit e66d3fb4da40794f191484b2cb196f794588d1ec
Author: Visarion Alexandru <viorel visarion gmail com>
Date:   Thu Dec 14 19:05:53 2017 +0200

    Add TransferInfoRow
    
    Add a custom row which represents a file transfer between
    the host and a guest machine.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=762321

 data/gnome-boxes.gresource.xml |  1 +
 data/ui/transfer-info-row.ui   | 81 ++++++++++++++++++++++++++++++++++++++++++
 src/Makefile.am                |  1 +
 src/meson.build                |  1 +
 src/transfer-info-row.vala     | 53 +++++++++++++++++++++++++++
 5 files changed, 137 insertions(+)
---
diff --git a/data/gnome-boxes.gresource.xml b/data/gnome-boxes.gresource.xml
index 2abaa94c..df3de724 100644
--- a/data/gnome-boxes.gresource.xml
+++ b/data/gnome-boxes.gresource.xml
@@ -30,6 +30,7 @@
     <file preprocess="xml-stripblanks">ui/shared-folder-popover.ui</file>
     <file preprocess="xml-stripblanks">ui/snapshot-list-row.ui</file>
     <file preprocess="xml-stripblanks">ui/topbar.ui</file>
+    <file preprocess="xml-stripblanks">ui/transfer-info-row.ui</file>
     <file preprocess="xml-stripblanks">ui/troubleshoot-log.ui</file>
     <file preprocess="xml-stripblanks">ui/troubleshoot-view.ui</file>
     <file preprocess="xml-stripblanks">ui/unattended-setup-box.ui</file>
diff --git a/data/ui/transfer-info-row.ui b/data/ui/transfer-info-row.ui
new file mode 100644
index 00000000..0fa5e238
--- /dev/null
+++ b/data/ui/transfer-info-row.ui
@@ -0,0 +1,81 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<interface>
+  <template class="BoxesTransferInfoRow" parent="GtkGrid">
+    <property name="visible">True</property>
+    <property name="margin-start">5</property>
+    <property name="margin-end">5</property>
+    <child>
+      <object class="GtkLabel" id="status_label">
+        <property name="visible">True</property>
+        <property name="xalign">0</property>
+        <property name="width-request">300</property>
+        <property name="max-width-chars">40</property>
+        <property name="ellipsize">middle</property>
+        <property name="margin-bottom">6</property>
+        <property name="hexpand">True</property>
+      </object>
+      <packing>
+        <property name="top-attach">0</property>
+        <property name="left-attach">0</property>
+      </packing>
+    </child>
+    <child>
+      <object class="GtkProgressBar" id="progress_bar">
+        <property name="visible">True</property>
+        <property name="valign">center</property>
+        <property name="pulse-step">0.05</property>
+        <property name="margin_start">2</property>
+        <property name="margin-bottom">4</property>
+        <property name="hexpand">True</property>
+      </object>
+      <packing>
+        <property name="top-attach">1</property>
+        <property name="left-attach">0</property>
+      </packing>
+    </child>
+    <child>
+      <object class="GtkButton" id="cancel_button">
+        <property name="visible">True</property>
+        <property name="receives_default">True</property>
+        <property name="margin_start">20</property>
+        <property name="valign">center</property>
+        <property name="image">cancel_image</property>
+        <property name="can_focus">True</property>
+        <property name="receives_default">True</property>
+        <style>
+          <class name="nautilus-circular-button"/>
+        </style>
+      </object>
+      <packing>
+        <property name="height">3</property>
+        <property name="top-attach">0</property>
+        <property name="left-attach">1</property>
+      </packing>
+    </child>
+    <child>
+      <object class="GtkLabel" id="details_label">
+        <property name="visible">True</property>
+        <property name="label" translatable="no">label</property>
+        <property name="ellipsize">end</property>
+        <property name="xalign">0</property>
+        <property name="wrap">True</property>
+        <property name="wrap-mode">word-char</property>
+        <style>
+          <class name="dim-label"/>
+        </style>
+      </object>
+      <packing>
+        <property name="top-attach">2</property>
+        <property name="left-attach">0</property>
+      </packing>
+    </child>
+  </template>
+  <object class="GtkImage" id="cancel_image">
+    <property name="visible">True</property>
+    <property name="icon_name">window-close-symbolic</property>
+  </object>
+  <object class="GtkImage" id="done_image">
+    <property name="visible">True</property>
+    <property name="icon_name">object-select-symbolic</property>
+  </object>
+</interface>
diff --git a/src/Makefile.am b/src/Makefile.am
index 598a7cd7..7ecb62e9 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -160,6 +160,7 @@ gnome_boxes_SOURCES =                               \
        downloader.vala                         \
        empty-boxes.vala                        \
        tracker-iso-query.vala                  \
+       transfer-info-row.vala          \
        troubleshoot-log.vala                   \
        troubleshoot-view.vala                  \
        shared-folder-popover.vala              \
diff --git a/src/meson.build b/src/meson.build
index 708f74fc..4b9c66ec 100644
--- a/src/meson.build
+++ b/src/meson.build
@@ -86,6 +86,7 @@ vala_sources = [
   'selection-toolbar.vala',
   'shared-folder-popover.vala',
   'spice-display.vala',
+  'transfer-info-row.vala',
   'troubleshoot-view.vala',
   'topbar.vala',
   'ui.vala',
diff --git a/src/transfer-info-row.vala b/src/transfer-info-row.vala
new file mode 100644
index 00000000..4dc1f7dc
--- /dev/null
+++ b/src/transfer-info-row.vala
@@ -0,0 +1,53 @@
+// This file is part of GNOME Boxes. License: LGPLv2+
+using Gtk;
+
+[GtkTemplate (ui = "/org/gnome/Boxes/ui/transfer-info-row.ui")]
+private class Boxes.TransferInfoRow: Gtk.Grid {
+    [GtkChild]
+    private Gtk.Label status_label;
+    [GtkChild]
+    private Gtk.Label details_label;
+    [GtkChild]
+    private Gtk.Button cancel_button;
+    [GtkChild]
+    private Gtk.ProgressBar progress_bar;
+    [GtkChild]
+    private Gtk.Image done_image;
+
+    public signal void finished ();
+
+    public double progress {get; set; }
+    public uint64 transferred_bytes {
+        set {
+            details_label.set_text ("%s / %s".printf (GLib.format_size (value), GLib.format_size 
(total_bytes)));
+        }
+    }
+    public uint64 total_bytes { get; set; }
+
+    public TransferInfoRow (string name) {
+        progress = 0;
+
+        // Translators: "%s" is a file name.
+        var msg = _("Copying “%s” to “Downloads”".printf (trim_string (name)));
+        status_label.set_text (msg);
+
+        bind_property ("progress", progress_bar, "fraction", BindingFlags.BIDIRECTIONAL);
+        cancel_button.clicked.connect (() => {
+            finalize_transfer ();
+            finished ();
+        });
+    }
+
+    public void finalize_transfer () {
+        cancel_button.image = done_image;
+        cancel_button.set_sensitive (false);
+        cancel_button.queue_draw ();
+    }
+
+    private string trim_string (string s) {
+        if (s.length > 23)
+            return s.substring (0, 15) + "…" + s.substring (-4, -1);
+
+        return s;
+    }
+}