[evolution/wip/webkit-composer] Bug 725242: [webkit-composer] 'Insert HTML file' issues

[Tomas Popela <tpopela src gnome org>]

commit a99366494bd3b3db5b3ac4d244bb85a4e5396bf7
Author: Tomas Popela <tpopela redhat com>
Date:   Fri Feb 28 09:15:59 2014 +0100

    Bug 725242: [webkit-composer] 'Insert HTML file' issues
    
    If composer is in plain text mode we have to convert given html to
    plain text.

 e-util/e-editor-actions.c   |    2 +-
 e-util/e-editor-selection.c |    7 +++-
 e-util/e-editor-widget.c    |   97 ++++++++++++++++++++++++++++++++++++-------
 e-util/e-editor-widget.h    |    3 +
 4 files changed, 91 insertions(+), 18 deletions(-)
---
diff --git a/e-util/e-editor-actions.c b/e-util/e-editor-actions.c
index d5364a9..7c2ca81 100644
--- a/e-util/e-editor-actions.c
+++ b/e-util/e-editor-actions.c
@@ -65,7 +65,7 @@ insert_html_file_ready_cb (GFile *file,
        }
 
        selection = e_editor_widget_get_selection (
-                       e_editor_get_editor_widget (editor));
+               e_editor_get_editor_widget (editor));
        e_editor_selection_insert_html (selection, contents);
        g_free (contents);
 
diff --git a/e-util/e-editor-selection.c b/e-util/e-editor-selection.c
index 4dc10c9..eb916e2 100644
--- a/e-util/e-editor-selection.c
+++ b/e-util/e-editor-selection.c
@@ -3175,7 +3175,12 @@ e_editor_selection_insert_html (EEditorSelection *selection,
        g_return_if_fail (editor_widget != NULL);
 
        command = E_EDITOR_WIDGET_COMMAND_INSERT_HTML;
-       e_editor_widget_exec_command (editor_widget, command, html_text);
+       if (e_editor_widget_get_html_mode (editor_widget)) {
+               e_editor_widget_exec_command (editor_widget, command, html_text);
+       } else {
+               e_editor_widget_convert_and_insert_html_to_plain_text (
+                       editor_widget, html_text);
+       }
 
        g_object_unref (editor_widget);
 }
diff --git a/e-util/e-editor-widget.c b/e-util/e-editor-widget.c
index 541766f..975f6f4 100644
--- a/e-util/e-editor-widget.c
+++ b/e-util/e-editor-widget.c
@@ -78,6 +78,8 @@ struct _EEditorWidgetPrivate {
        GSettings *font_settings;
        GSettings *aliasing_settings;
 
+       gboolean convertor_insert;
+
        WebKitWebView *convertor_web_view;
 };
 
@@ -2066,27 +2068,20 @@ create_text_markers_for_citations (WebKitDOMNodeList *citations)
 }
 
 static void
-html_plain_text_convertor_load_status_changed (WebKitWebView *web_view,
-                                               GParamSpec *pspec,
-                                               EEditorWidget *widget)
+editor_widget_process_document_from_convertor (EEditorWidget *widget,
+                                               WebKitDOMDocument *document_convertor)
 {
        EEditorSelection *selection = e_editor_widget_get_selection (widget);
        gboolean start_bottom;
        gchar *inner_text, *inner_html;
        gint ii;
        GSettings *settings;
-       WebKitLoadStatus status;
-       WebKitDOMDocument *document_convertor, *document;
+       WebKitDOMDocument *document;
        WebKitDOMElement *paragraph, *new_blockquote, *top_signature;
        WebKitDOMElement *cite_body, *signature;
        WebKitDOMHTMLElement *body, *convertor_body;
        WebKitDOMNodeList *list;
 
-       status = webkit_web_view_get_load_status (web_view);
-       if (status != WEBKIT_LOAD_FINISHED)
-               return;
-
-       document_convertor = webkit_web_view_get_dom_document (web_view);
        document = webkit_web_view_get_dom_document (WEBKIT_WEB_VIEW (widget));
 
        settings = g_settings_new ("org.gnome.evolution.mail");
@@ -2145,8 +2140,7 @@ html_plain_text_convertor_load_status_changed (WebKitWebView *web_view,
        create_text_markers_for_citations (list);
 
        /* Get innertText from convertor */
-       inner_text = webkit_dom_html_element_get_inner_text (
-               webkit_dom_document_get_body (document_convertor));
+       inner_text = webkit_dom_html_element_get_inner_text (convertor_body);
 
        cite_body = webkit_dom_document_query_selector (
                document_convertor, "span.-x-evo-cite-body", NULL);
@@ -2273,6 +2267,63 @@ html_plain_text_convertor_load_status_changed (WebKitWebView *web_view,
 }
 
 static void
+editor_widget_insert_converted_html_into_selection (EEditorWidget *widget,
+                                                    WebKitDOMDocument *document_convertor)
+{
+       gchar *inner_text, *inner_html;
+       WebKitDOMDocument *document;
+       WebKitDOMElement *element;
+       WebKitDOMHTMLElement *convertor_body;
+
+       document = webkit_web_view_get_dom_document (WEBKIT_WEB_VIEW (widget));
+
+       convertor_body = webkit_dom_document_get_body (document_convertor);
+
+       inner_text = webkit_dom_html_element_get_inner_text (convertor_body);
+       element = webkit_dom_document_create_element (document, "div", NULL);
+       webkit_dom_html_element_set_inner_text (
+               WEBKIT_DOM_HTML_ELEMENT (element), inner_text, NULL);
+       inner_html = webkit_dom_html_element_get_inner_html (
+               WEBKIT_DOM_HTML_ELEMENT (element));
+
+       parse_html_into_paragraphs (
+               widget, document, element, inner_html, FALSE);
+
+       g_free (inner_html);
+
+       inner_html = webkit_dom_html_element_get_inner_html (
+               WEBKIT_DOM_HTML_ELEMENT (element));
+
+       e_editor_widget_exec_command (
+               widget, E_EDITOR_WIDGET_COMMAND_INSERT_HTML, inner_html);
+
+       e_editor_widget_force_spellcheck (widget);
+
+       g_free (inner_html);
+       g_free (inner_text);
+}
+
+static void
+html_plain_text_convertor_load_status_changed (WebKitWebView *web_view,
+                                               GParamSpec *pspec,
+                                               EEditorWidget *widget)
+{
+       WebKitDOMDocument *document_convertor;
+
+       if (webkit_web_view_get_load_status (web_view) != WEBKIT_LOAD_FINISHED)
+               return;
+
+       document_convertor = webkit_web_view_get_dom_document (web_view);
+
+       if (widget->priv->convertor_insert)
+               editor_widget_insert_converted_html_into_selection (
+                       widget, document_convertor);
+       else
+               editor_widget_process_document_from_convertor (
+                       widget, document_convertor);
+}
+
+static void
 e_editor_widget_init (EEditorWidget *editor)
 {
        WebKitWebSettings *settings;
@@ -2354,6 +2405,8 @@ e_editor_widget_init (EEditorWidget *editor)
 
        e_editor_widget_update_fonts (editor);
 
+       editor->priv->convertor_insert = FALSE;
+
        editor->priv->convertor_web_view =
                g_object_ref_sink (WEBKIT_WEB_VIEW (webkit_web_view_new ()));
        settings = webkit_web_view_get_settings (editor->priv->convertor_web_view);
@@ -4252,9 +4305,21 @@ e_editor_widget_get_text_plain (EEditorWidget *widget)
 }
 
 static void
-convert_html_to_plain_text (EEditorWidget *widget,
-                            const gchar *html)
+convert_and_load_html_to_plain_text (EEditorWidget *widget,
+                                     const gchar *html)
 {
+       widget->priv->convertor_insert = FALSE;
+
+       webkit_web_view_load_string (
+               widget->priv->convertor_web_view, html, NULL, NULL, "file://");
+}
+
+void
+e_editor_widget_convert_and_insert_html_to_plain_text (EEditorWidget *widget,
+                                                       const gchar *html)
+{
+       widget->priv->convertor_insert = TRUE;
+
        webkit_web_view_load_string (
                widget->priv->convertor_web_view, html, NULL, NULL, "file://");
 }
@@ -4281,9 +4346,9 @@ e_editor_widget_set_text_html (EEditorWidget *widget,
                                        WEBKIT_WEB_VIEW (widget), text, NULL, NULL, "file://");
                                return;
                        }
-                       convert_html_to_plain_text (widget, text);
+                       convert_and_load_html_to_plain_text (widget, text);
                } else {
-                       convert_html_to_plain_text (widget, text);
+                       convert_and_load_html_to_plain_text (widget, text);
                }
        } else {
                webkit_web_view_load_string (
diff --git a/e-util/e-editor-widget.h b/e-util/e-editor-widget.h
index 7a53608..565c5d5 100644
--- a/e-util/e-editor-widget.h
+++ b/e-util/e-editor-widget.h
@@ -107,6 +107,9 @@ gchar *             e_editor_widget_get_text_html   (EEditorWidget *widget);
 gchar *                e_editor_widget_get_text_html_for_drafts
                                                (EEditorWidget *widget);
 gchar *                e_editor_widget_get_text_plain  (EEditorWidget *widget);
+void           e_editor_widget_convert_and_insert_html_to_plain_text
+                                               (EEditorWidget *widget,
+                                                const gchar *html);
 void           e_editor_widget_set_text_html   (EEditorWidget *widget,
                                                 const gchar *text);
 void           e_editor_widget_set_text_plain  (EEditorWidget *widget,