[nautilus] view-icon: add new zoom level

[Carlos Soriano <csoriano src gnome org>]

commit 1e5eba1d7c0c660ae1268679ec2d69eabd8c1d85
Author: Carlos Soriano <csoriano gnome org>
Date:   Wed Feb 15 01:10:37 2017 +0100

    view-icon: add new zoom level
    
    With the flow box we can finally add more zoom levels. Add a new larger
    one so the user can view larger content.

 data/org.gnome.nautilus.gschema.xml |    1 +
 src/nautilus-directory-async.c      |    2 +-
 src/nautilus-icon-info.h            |    4 +++-
 src/nautilus-view-icon-controller.c |    8 +++++++-
 src/nautilus-view-item-model.c      |    2 +-
 5 files changed, 13 insertions(+), 4 deletions(-)
---
diff --git a/data/org.gnome.nautilus.gschema.xml b/data/org.gnome.nautilus.gschema.xml
index 24df7ec..405e5a2 100644
--- a/data/org.gnome.nautilus.gschema.xml
+++ b/data/org.gnome.nautilus.gschema.xml
@@ -37,6 +37,7 @@
     <value value="1" nick="standard"/>
     <value value="2" nick="large"/>
     <value value="3" nick="larger"/>
+    <value value="4" nick="largest"/>
   </enum>
 
   <enum id="org.gnome.nautilus.ListZoomLevel">
diff --git a/src/nautilus-directory-async.c b/src/nautilus-directory-async.c
index b02e3de..05e138a 100644
--- a/src/nautilus-directory-async.c
+++ b/src/nautilus-directory-async.c
@@ -3954,7 +3954,7 @@ thumbnail_loader_size_prepared (GdkPixbufLoader *loader,
     aspect_ratio = ((double) width) / height;
 
     /* cf. nautilus_file_get_icon() */
-    max_thumbnail_size = NAUTILUS_CANVAS_ICON_SIZE_LARGER * cached_thumbnail_size / 
NAUTILUS_CANVAS_ICON_SIZE_SMALL;
+    max_thumbnail_size = NAUTILUS_CANVAS_ICON_SIZE_LARGEST * cached_thumbnail_size / 
NAUTILUS_CANVAS_ICON_SIZE_SMALL;
     if (MAX (width, height) > max_thumbnail_size)
     {
         if (width > height)
diff --git a/src/nautilus-icon-info.h b/src/nautilus-icon-info.h
index f034ba8..592b534 100644
--- a/src/nautilus-icon-info.h
+++ b/src/nautilus-icon-info.h
@@ -15,6 +15,7 @@ typedef enum {
        NAUTILUS_CANVAS_ZOOM_LEVEL_STANDARD,
        NAUTILUS_CANVAS_ZOOM_LEVEL_LARGE,
        NAUTILUS_CANVAS_ZOOM_LEVEL_LARGER,
+       NAUTILUS_CANVAS_ZOOM_LEVEL_LARGEST,
 } NautilusCanvasZoomLevel;
 
 typedef enum {
@@ -25,7 +26,7 @@ typedef enum {
 } NautilusListZoomLevel;
 
 #define NAUTILUS_LIST_ZOOM_LEVEL_N_ENTRIES (NAUTILUS_LIST_ZOOM_LEVEL_LARGER + 1)
-#define NAUTILUS_CANVAS_ZOOM_LEVEL_N_ENTRIES (NAUTILUS_CANVAS_ZOOM_LEVEL_LARGER + 1)
+#define NAUTILUS_CANVAS_ZOOM_LEVEL_N_ENTRIES (NAUTILUS_CANVAS_ZOOM_LEVEL_LARGEST + 1)
 
 /* Nominal icon sizes for each Nautilus zoom level.
  * This scheme assumes that icons are designed to
@@ -42,6 +43,7 @@ typedef enum {
 #define NAUTILUS_CANVAS_ICON_SIZE_STANDARD     64
 #define NAUTILUS_CANVAS_ICON_SIZE_LARGE                96
 #define NAUTILUS_CANVAS_ICON_SIZE_LARGER       128
+#define NAUTILUS_CANVAS_ICON_SIZE_LARGEST      256
 
 /* Maximum size of an icon that the icon factory will ever produce */
 #define NAUTILUS_ICON_MAXIMUM_SIZE     320
diff --git a/src/nautilus-view-icon-controller.c b/src/nautilus-view-icon-controller.c
index ae8040e..507eb94 100644
--- a/src/nautilus-view-icon-controller.c
+++ b/src/nautilus-view-icon-controller.c
@@ -445,7 +445,7 @@ real_bump_zoom_level (NautilusFilesView *files_view,
     new_level = self->zoom_level + zoom_increment;
 
     if (new_level >= NAUTILUS_CANVAS_ZOOM_LEVEL_SMALL &&
-        new_level <= NAUTILUS_CANVAS_ZOOM_LEVEL_LARGER)
+        new_level <= NAUTILUS_CANVAS_ZOOM_LEVEL_LARGEST)
     {
         g_action_group_change_action_state (self->action_group,
                                             "zoom-to-level",
@@ -481,6 +481,12 @@ get_icon_size_for_zoom_level (NautilusCanvasZoomLevel zoom_level)
             return NAUTILUS_CANVAS_ICON_SIZE_LARGER;
         }
         break;
+
+        case NAUTILUS_CANVAS_ZOOM_LEVEL_LARGEST:
+        {
+            return NAUTILUS_CANVAS_ICON_SIZE_LARGEST;
+        }
+        break;
     }
     g_return_val_if_reached (NAUTILUS_CANVAS_ICON_SIZE_STANDARD);
 }
diff --git a/src/nautilus-view-item-model.c b/src/nautilus-view-item-model.c
index 42f1911..970fb28 100644
--- a/src/nautilus-view-item-model.c
+++ b/src/nautilus-view-item-model.c
@@ -131,7 +131,7 @@ nautilus_view_item_model_class_init (NautilusViewItemModelClass *klass)
                                                        "Icon size",
                                                        "The size in pixels of the icon",
                                                        NAUTILUS_CANVAS_ICON_SIZE_SMALL,
-                                                       NAUTILUS_CANVAS_ICON_SIZE_LARGER,
+                                                       NAUTILUS_CANVAS_ICON_SIZE_LARGEST,
                                                        NAUTILUS_CANVAS_ICON_SIZE_LARGE,
                                                        G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
     g_object_class_install_property (object_class,