[gnome-text-editor] infobar: show error infobar on file failure

[Christian Hergert <chergert src gnome org>]

commit 10c8e9c4e357808edc322c6879fc016a7c6add49
Author: Christian Hergert <chergert redhat com>
Date:   Mon Jan 10 17:37:40 2022 -0800

    infobar: show error infobar on file failure
    
    We probably still need this for save operations, but for loading this
    allows us to get the ability to reload a file. Additionally, we probably
    need to make things not editable during the process for these kind of
    errors.

 src/editor-document.c  | 17 ++++++++++++++++-
 src/editor-info-bar.c  | 43 +++++++++++++++++++++++++++++++++++++++++++
 src/editor-info-bar.ui | 42 ++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 101 insertions(+), 1 deletion(-)
---
diff --git a/src/editor-document.c b/src/editor-document.c
index 570e2ca..34ccbcf 100644
--- a/src/editor-document.c
+++ b/src/editor-document.c
@@ -89,12 +89,13 @@ G_DEFINE_TYPE (EditorDocument, editor_document, GTK_SOURCE_TYPE_BUFFER)
 
 enum {
   PROP_0,
-  PROP_SUGGEST_ADMIN,
   PROP_BUSY,
   PROP_BUSY_PROGRESS,
   PROP_EXTERNALLY_MODIFIED,
   PROP_FILE,
+  PROP_HAD_ERROR,
   PROP_SPELL_CHECKER,
+  PROP_SUGGEST_ADMIN,
   PROP_TITLE,
   N_PROPS
 };
@@ -141,6 +142,7 @@ editor_document_track_error (EditorDocument *self,
     {
       self->suggest_admin = FALSE;
       g_object_notify_by_pspec (G_OBJECT (self), properties [PROP_SUGGEST_ADMIN]);
+      g_object_notify_by_pspec (G_OBJECT (self), properties [PROP_HAD_ERROR]);
       return;
     }
 
@@ -152,6 +154,8 @@ editor_document_track_error (EditorDocument *self,
           g_object_notify_by_pspec (G_OBJECT (self), properties [PROP_SUGGEST_ADMIN]);
         }
     }
+
+  g_object_notify_by_pspec (G_OBJECT (self), properties [PROP_HAD_ERROR]);
 }
 
 static void
@@ -509,6 +513,10 @@ editor_document_get_property (GObject    *object,
       g_value_set_boolean (value, self->suggest_admin);
       break;
 
+    case PROP_HAD_ERROR:
+      g_value_set_boolean (value, _editor_document_had_error (self));
+      break;
+
     case PROP_BUSY:
       g_value_set_boolean (value, editor_document_get_busy (self));
       break;
@@ -583,6 +591,13 @@ editor_document_class_init (EditorDocumentClass *klass)
                           FALSE,
                           (G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
 
+  properties [PROP_HAD_ERROR] =
+    g_param_spec_boolean ("had-error",
+                          "Had Error",
+                          "If there was an error with the document",
+                          FALSE,
+                          (G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
+
   properties [PROP_BUSY] =
     g_param_spec_boolean ("busy",
                           "Busy",
diff --git a/src/editor-info-bar.c b/src/editor-info-bar.c
index de6384b..830d398 100644
--- a/src/editor-info-bar.c
+++ b/src/editor-info-bar.c
@@ -24,6 +24,7 @@
 
 #include "editor-document-private.h"
 #include "editor-info-bar-private.h"
+#include "editor-window.h"
 
 struct _EditorInfoBar
 {
@@ -39,6 +40,12 @@ struct _EditorInfoBar
   GtkButton      *save;
   GtkLabel       *title;
   GtkLabel       *subtitle;
+
+  /* Permission denied infobar */
+  GtkInfoBar     *access_infobar;
+  GtkButton      *access_subtitle;
+  GtkButton      *access_title;
+  GtkButton      *access_try_admin;
 };
 
 enum {
@@ -128,6 +135,30 @@ on_response_cb (EditorInfoBar *self,
   gtk_info_bar_set_revealed (infobar, FALSE);
 }
 
+static void
+on_try_admin_cb (EditorInfoBar *self,
+                 GtkButton     *button)
+{
+  g_assert (EDITOR_IS_INFO_BAR (self));
+  g_assert (GTK_IS_BUTTON (button));
+
+  _editor_document_use_admin (self->document);
+}
+
+static void
+on_try_again_cb (EditorInfoBar *self,
+                 GtkButton     *button)
+{
+  EditorWindow *window;
+
+  g_assert (EDITOR_IS_INFO_BAR (self));
+  g_assert (GTK_IS_BUTTON (button));
+
+  window = EDITOR_WINDOW (gtk_widget_get_ancestor (GTK_WIDGET (self), EDITOR_TYPE_WINDOW));
+
+  _editor_document_load_async (self->document, window, NULL, NULL, NULL);
+}
+
 static void
 editor_info_bar_dispose (GObject *object)
 {
@@ -171,6 +202,12 @@ editor_info_bar_set_property (GObject      *object,
     case PROP_DOCUMENT:
       if (g_set_object (&self->document, g_value_get_object (value)))
         {
+          g_object_bind_property (self->document, "suggest-admin",
+                                  self->access_try_admin, "visible",
+                                  G_BINDING_SYNC_CREATE);
+          g_object_bind_property (self->document, "had-error",
+                                  self->access_infobar, "revealed",
+                                  G_BINDING_SYNC_CREATE);
           g_signal_connect_object (self->document,
                                    "notify::busy",
                                    G_CALLBACK (on_notify_cb),
@@ -210,12 +247,18 @@ editor_info_bar_class_init (EditorInfoBarClass *klass)
 
   gtk_widget_class_set_layout_manager_type (widget_class, GTK_TYPE_BIN_LAYOUT);
   gtk_widget_class_set_template_from_resource (widget_class, "/org/gnome/TextEditor/ui/editor-info-bar.ui");
+  gtk_widget_class_bind_template_child (widget_class, EditorInfoBar, access_infobar);
+  gtk_widget_class_bind_template_child (widget_class, EditorInfoBar, access_try_admin);
+  gtk_widget_class_bind_template_child (widget_class, EditorInfoBar, access_subtitle);
+  gtk_widget_class_bind_template_child (widget_class, EditorInfoBar, access_title);
   gtk_widget_class_bind_template_child (widget_class, EditorInfoBar, box);
   gtk_widget_class_bind_template_child (widget_class, EditorInfoBar, discard);
   gtk_widget_class_bind_template_child (widget_class, EditorInfoBar, discard_infobar);
   gtk_widget_class_bind_template_child (widget_class, EditorInfoBar, save);
   gtk_widget_class_bind_template_child (widget_class, EditorInfoBar, subtitle);
   gtk_widget_class_bind_template_child (widget_class, EditorInfoBar, title);
+  gtk_widget_class_bind_template_callback (widget_class, on_try_admin_cb);
+  gtk_widget_class_bind_template_callback (widget_class, on_try_again_cb);
 }
 
 static void
diff --git a/src/editor-info-bar.ui b/src/editor-info-bar.ui
index bd54c93..6b49bc8 100644
--- a/src/editor-info-bar.ui
+++ b/src/editor-info-bar.ui
@@ -4,6 +4,48 @@
     <child>
       <object class="GtkBox" id="box">
         <property name="orientation">vertical</property>
+        <child>
+          <object class="GtkInfoBar" id="access_infobar">
+            <property name="message-type">error</property>
+            <property name="show-close-button">false</property>
+            <property name="revealed">false</property>
+            <child>
+              <object class="GtkBox">
+                <property name="orientation">vertical</property>
+                <child>
+                  <object class="GtkLabel" id="access_title">
+                    <property name="halign">start</property>
+                    <property name="label" translatable="yes">Could Not Open File</property>
+                    <attributes>
+                      <attribute name="weight" value="bold"/>
+                    </attributes>
+                  </object>
+                </child>
+                <child>
+                  <object class="GtkLabel" id="access_subtitle">
+                    <property name="halign">start</property>
+                    <property name="label" translatable="yes">You do not have permission to open the 
file.</property>
+                  </object>
+                </child>
+              </object>
+            </child>
+            <child type="action">
+              <object class="GtkButton" id="access_try_again">
+                <property name="label" translatable="yes">_Retry</property>
+                <property name="use-underline">True</property>
+                <signal name="clicked" handler="on_try_again_cb" swapped="true"/>
+              </object>
+            </child>
+            <child type="action">
+              <object class="GtkButton" id="access_try_admin">
+                <property name="label" translatable="yes">Open As _Administrator</property>
+                <property name="use-underline">True</property>
+                <property name="visible">false</property>
+                <signal name="clicked" handler="on_try_admin_cb" swapped="true"/>
+              </object>
+            </child>
+          </object>
+        </child>
         <child>
           <object class="GtkInfoBar" id="discard_infobar">
             <property name="message-type">warning</property>