[bijiben] Install a single css file. Amend it at runtime.

[Pierre-Yves Luyten <pyluyten src gnome org>]

commit 61c55df2ffa57c9c65ee394118be38b5b0e6586f
Author: mtbar131 <mtbar131 gmail com>
Date:   Sun Aug 24 14:49:57 2014 +0200

    Install a single css file. Amend it at runtime.

 data/Default-white.css                  |   32 -----------------
 data/{Default-black.css => Default.css} |    2 +-
 data/Makefile.am                        |    3 +-
 src/libbiji/editor/biji-webkit-editor.c |   58 ++++++++++++++++++++++++++----
 4 files changed, 52 insertions(+), 43 deletions(-)
---
diff --git a/data/Default-black.css b/data/Default.css
similarity index 94%
rename from data/Default-black.css
rename to data/Default.css
index d319187..3bb4265 100644
--- a/data/Default-black.css
+++ b/data/Default.css
@@ -9,7 +9,7 @@ body {
                                rgba(97%,97%,100%,0) 0%,
                                rgba(97%,97%,100%,0) 90%,
                                rgba(0%,0%,0%,0.15) 100%);
-  color:            black;
+  color:            _BIJI_TEXT_COLOR;
   background-size:  2.0em 2.0em;
   line-height:      2.0em;
   padding:          2.0em;
diff --git a/data/Makefile.am b/data/Makefile.am
index 1ceabbd..8bba979 100644
--- a/data/Makefile.am
+++ b/data/Makefile.am
@@ -40,8 +40,7 @@ org.gnome.Bijiben.SearchProvider.service: org.gnome.Bijiben.SearchProvider.servi
 searchproviderdir = $(datadir)/gnome-shell/search-providers
 searchprovider_DATA = bijiben-search-provider.ini
 
-css_files = Default-black.css \
-           Default-white.css
+css_files = Default.css
 
 cssdir = $(pkgdatadir)
 css_DATA = $(css_files)
diff --git a/src/libbiji/editor/biji-webkit-editor.c b/src/libbiji/editor/biji-webkit-editor.c
index 1160004..af418ef 100644
--- a/src/libbiji/editor/biji-webkit-editor.c
+++ b/src/libbiji/editor/biji-webkit-editor.c
@@ -465,29 +465,71 @@ biji_webkit_editor_new (BijiNoteObj *note)
                        NULL);
 }
 
+
 void
 biji_webkit_editor_change_css_file(BijiWebkitEditor *self)
 {
   BijiWebkitEditorPrivate *priv;
-  gchar *css_path;
+  const gchar *system_temp_dir;
+  gchar *path_src, *path_dest, *css_path, *bijiben_temp_dir_path;
+  GFile *src, *dest, *bijiben_temp_dir_URI;
+  GString *sed_command;
   GdkRGBA color;
+  GError *error;
 
   priv = G_TYPE_INSTANCE_GET_PRIVATE (self, BIJI_TYPE_WEBKIT_EDITOR, BijiWebkitEditorPrivate);
 
   biji_note_obj_get_rgba(priv->note,&color);
 
+  /* Get temp directory from system */
+  system_temp_dir = g_get_tmp_dir();
+
+  /* build the path for source and Destination of Default.css */
+  path_src = g_build_filename(DATADIR, "bijiben", "Default.css", NULL);
+  src = g_file_new_for_path(path_src);
+
+  path_dest = g_build_filename(system_temp_dir, "bijiben", "Default.css", NULL);
+  dest = g_file_new_for_path(path_dest);
+
+  /* Generate Temp directory path and URI for bijiben */
+  bijiben_temp_dir_path = g_build_filename(system_temp_dir, "bijiben", NULL);
+  bijiben_temp_dir_URI = g_file_new_for_path(bijiben_temp_dir_path);
+  g_file_make_directory(bijiben_temp_dir_URI, NULL, NULL);
+
+  /* Generate sed for Default.css Color */
   if(color.red < 0.5)
-    css_path = g_build_filename ("file://",
-                                DATADIR, "bijiben",
-                                "Default-white.css",NULL);
+    sed_command = g_string_new("sed -i s/_BIJI_TEXT_COLOR/white/g ");
   else
-    css_path = g_build_filename ("file://",
-                                DATADIR, "bijiben",
-                                "Default-black.css",NULL);
+    sed_command = g_string_new("sed -i s/_BIJI_TEXT_COLOR/black/g ");
+
+  g_string_append_printf(sed_command, "%s", path_dest);
+
+  /* copy the Default.css file */
+  g_file_copy(src, dest, G_FILE_COPY_OVERWRITE,
+              NULL, NULL, NULL, &error);
 
+  g_spawn_command_line_sync(sed_command->str, NULL,
+                            NULL, NULL, &error);
+
+  css_path = g_file_get_uri(dest);
+
+  /* Change the css path to NULL and then
+     again set it back to actual css path
+     so that changes in css file are considered
+     immediately */
   g_object_set (G_OBJECT(priv->settings),
-    "user-stylesheet-uri", css_path, NULL);
+               "user-stylesheet-uri", NULL,
+               NULL);
+
+  g_object_set (G_OBJECT(priv->settings),
+                "user-stylesheet-uri", css_path,
+                NULL);
 
   g_free (css_path);
+  g_free (path_src);
+  g_free (path_dest);
+  g_free (bijiben_temp_dir_path);
+  g_string_free(sed_command, TRUE);
+
   return;
 }