[evolution/wip/webkit-composer: 189/262] Move caret position setting from em-composer-utils to e-composer-private



commit 75c25e189eeb08afc744af2446f9090e22838006
Author: Tomas Popela <tpopela redhat com>
Date:   Tue Apr 23 11:06:09 2013 +0200

    Move caret position setting from em-composer-utils to e-composer-private
    
    Moving caret position setting from mail/em-composer-utils.c to
    composer/e-composer-private.c because the caret position set in em-composer-utils.c
    was modified by setting a signature to email. Also e_editor_selection_{save|restore}
    calls were removed because they are not working properly in this case.

 composer/e-composer-private.c |  109 +++++++++++++++++++++++++++++++++++++++--
 mail/em-composer-utils.c      |   96 ------------------------------------
 2 files changed, 105 insertions(+), 100 deletions(-)
---
diff --git a/composer/e-composer-private.c b/composer/e-composer-private.c
index 5b0d841..d8018c9 100644
--- a/composer/e-composer-private.c
+++ b/composer/e-composer-private.c
@@ -746,6 +746,110 @@ use_top_signature (EMsgComposer *composer)
 }
 
 static void
+composer_size_allocate_cb (GtkWidget *widget,
+                          gpointer user_data)
+{
+       GtkWidget *scrolled_window;
+       GtkAdjustment *adj;
+
+       scrolled_window = gtk_widget_get_parent (GTK_WIDGET (widget));
+       adj = gtk_scrolled_window_get_vadjustment (GTK_SCROLLED_WINDOW (scrolled_window));
+
+       /* Scroll only when there is some size allocated */
+       if (gtk_adjustment_get_upper (adj) != 0.0) {
+               /* Scroll web view down to caret */
+               gtk_adjustment_set_value (adj, gtk_adjustment_get_upper (adj) - gtk_adjustment_get_page_size 
(adj));
+               gtk_scrolled_window_set_vadjustment (GTK_SCROLLED_WINDOW (scrolled_window), adj);
+               /* Disconnect because we don't want to scroll down the view on every window size change */
+               g_signal_handlers_disconnect_by_func (
+                       widget, G_CALLBACK (composer_size_allocate_cb), NULL);
+       }
+}
+
+static void
+composer_move_caret (EMsgComposer *composer)
+{
+       WebKitDOMHTMLElement *body;
+       WebKitDOMRange *new_range;
+       EEditor *editor;
+       EEditorWidget *editor_widget;
+       WebKitDOMDocument *document;
+       WebKitDOMDOMWindow *window;
+       WebKitDOMElement *br_bottom;
+       WebKitDOMDOMSelection *dom_selection;
+       GSettings *settings;
+       gboolean start_bottom;
+
+       /* When there is an option composer-reply-start-bottom set we have
+        * to move the caret between reply and signature. */
+       settings = g_settings_new ("org.gnome.evolution.mail");
+       start_bottom = g_settings_get_boolean (settings, "composer-reply-start-bottom");
+
+       editor = e_msg_composer_get_editor (composer);
+       editor_widget = e_editor_get_editor_widget (editor);
+       document = webkit_web_view_get_dom_document (WEBKIT_WEB_VIEW (editor_widget));
+       window = webkit_dom_document_get_default_view (document);
+       dom_selection = webkit_dom_dom_window_get_selection (window);
+
+       body = webkit_dom_document_get_body (document);
+       new_range = webkit_dom_document_create_range (document);
+
+       if (start_bottom) {
+               WebKitDOMNodeList *blockquotes;
+
+               blockquotes = webkit_dom_document_get_elements_by_tag_name (document, "blockquote");
+               if (webkit_dom_node_list_get_length (blockquotes) != 0) {
+                       /* Move caret between reply and signature. */
+                       new_range = webkit_dom_document_create_range (document);
+                       webkit_dom_range_select_node_contents (new_range,
+                               WEBKIT_DOM_NODE (
+                                       webkit_dom_node_get_next_sibling (webkit_dom_node_list_item 
(blockquotes, 0))
+                               ), NULL);
+                       webkit_dom_range_collapse (new_range, TRUE, NULL);
+
+               } else {
+                       br_bottom = webkit_dom_document_get_element_by_id (document, "-x-evolution-br-reply");
+
+                       if (!br_bottom) {
+                               WebKitDOMElement *br;
+
+                               br = webkit_dom_document_create_element (document, "BR", NULL);
+                               webkit_dom_html_element_set_id (WEBKIT_DOM_HTML_ELEMENT (br), 
"-x-evolution-br-reply");
+                               webkit_dom_node_append_child (WEBKIT_DOM_NODE (body), WEBKIT_DOM_NODE (br), 
NULL);
+                               br_bottom = webkit_dom_document_get_element_by_id (document, 
"-x-evolution-br-reply");
+                       }
+
+                       webkit_dom_range_select_node_contents (new_range, WEBKIT_DOM_NODE (br_bottom), NULL);
+                       webkit_dom_range_collapse (new_range, FALSE, NULL);
+               }
+
+               g_signal_connect (
+                       editor_widget, "size-allocate",
+                       G_CALLBACK (composer_size_allocate_cb), NULL);
+       } else {
+               /* Move caret on the beginning of message */
+               if (!webkit_dom_document_get_element_by_id (document, "-x-evolution-br-reply")) {
+                       WebKitDOMElement *br;
+
+                       br = webkit_dom_document_create_element (document, "BR", NULL);
+                       webkit_dom_html_element_set_id (WEBKIT_DOM_HTML_ELEMENT (br), 
"-x-evolution-br-reply");
+                       webkit_dom_node_insert_before (WEBKIT_DOM_NODE (body), WEBKIT_DOM_NODE (br), 
webkit_dom_node_get_first_child (WEBKIT_DOM_NODE (body)), NULL);
+               }
+
+               webkit_dom_range_select_node_contents (new_range,
+                       WEBKIT_DOM_NODE (
+                               webkit_dom_node_get_first_child (WEBKIT_DOM_NODE (body))
+                       ), NULL);
+               webkit_dom_range_collapse (new_range, TRUE, NULL);
+       }
+
+       webkit_dom_dom_selection_remove_all_ranges (dom_selection);
+       webkit_dom_dom_selection_add_range (dom_selection, new_range);
+
+       g_object_unref (settings);
+}
+
+static void
 composer_load_signature_cb (EMailSignatureComboBox *combo_box,
                             GAsyncResult *result,
                             EMsgComposer *composer)
@@ -855,8 +959,6 @@ insert:
        editor_widget = e_editor_get_editor_widget (editor);
        selection = e_editor_widget_get_selection (editor_widget);
 
-       e_editor_selection_save (selection);
-
        /* This prevents our command before/after callbacks from
         * screwing around with the signature as we insert it. */
        composer->priv->in_signature_insert = TRUE;
@@ -917,8 +1019,7 @@ insert:
                g_string_free (html_buffer, TRUE);
        }
 
-       e_editor_selection_restore (selection);
-
+       composer_move_caret (composer);
        composer->priv->in_signature_insert = FALSE;
 
 exit:
diff --git a/mail/em-composer-utils.c b/mail/em-composer-utils.c
index 4e3e374..2a43c78 100644
--- a/mail/em-composer-utils.c
+++ b/mail/em-composer-utils.c
@@ -2812,88 +2812,6 @@ attribution_format (CamelMimeMessage *message)
 }
 
 static void
-composer_size_allocate_cb (GtkWidget *widget,
-                          gpointer user_data)
-{
-       GtkWidget *scrolled_window;
-       GtkAdjustment *adj;
-
-       scrolled_window = gtk_widget_get_parent (GTK_WIDGET (widget));
-       adj = gtk_scrolled_window_get_vadjustment (GTK_SCROLLED_WINDOW (scrolled_window));
-
-       /* Scroll only when there is some size allocated */
-       if (gtk_adjustment_get_upper (adj) != 0.0) {
-               /* Scroll web view down to caret */
-               gtk_adjustment_set_value (adj, gtk_adjustment_get_upper (adj) - gtk_adjustment_get_page_size 
(adj));
-               gtk_scrolled_window_set_vadjustment (GTK_SCROLLED_WINDOW (scrolled_window), adj);
-               /* Disconnect because we don't want to scroll down the view on every window size change */
-               g_signal_handlers_disconnect_by_func (
-                       widget, G_CALLBACK (composer_size_allocate_cb), NULL);
-       }
-}
-
-static void
-web_view_load_status_changed_cb (WebKitWebView *webkit_web_view,
-                                 GParamSpec *pspec,
-                                 gpointer user_data)
-{
-       WebKitDOMDocument *document;
-       WebKitDOMRange *new_range;
-       WebKitDOMElement *br;
-       WebKitDOMHTMLElement *body;
-       WebKitDOMNode *br_node;
-       WebKitDOMDOMWindow *window;
-       WebKitDOMDOMSelection *window_selection;
-       WebKitLoadStatus status;
-
-       status = webkit_web_view_get_load_status (webkit_web_view);
-       if (status != WEBKIT_LOAD_FINISHED)
-               return;
-
-       /* Move caret on the end of body element */
-       document = webkit_web_view_get_dom_document (webkit_web_view);
-       window = webkit_dom_document_get_default_view (document);
-       window_selection = webkit_dom_dom_window_get_selection (window);
-       body = webkit_dom_document_get_body (document);
-
-       br = webkit_dom_document_create_element (document, "BR", NULL);
-       br_node = webkit_dom_node_append_child (WEBKIT_DOM_NODE (body), WEBKIT_DOM_NODE(br), NULL);
-
-       new_range = webkit_dom_document_create_range (document);
-       webkit_dom_range_select_node_contents (new_range, WEBKIT_DOM_NODE (br_node), NULL);
-       webkit_dom_range_collapse (new_range, FALSE, NULL);
-
-       webkit_dom_dom_selection_remove_all_ranges (window_selection);
-       webkit_dom_dom_selection_add_range (window_selection, new_range);
-
-       /* Disconnect because we don't want to move caret down on every web view status change */
-       g_signal_handlers_disconnect_by_func (
-               webkit_web_view, G_CALLBACK (web_view_load_status_changed_cb), NULL);
-}
-
-static void
-composer_set_caret_on_body_end (EMsgComposer *composer)
-{
-       EEditor *editor;
-       EEditorWidget *widget;
-
-       editor = e_msg_composer_get_editor (composer);
-       widget = e_editor_get_editor_widget (editor);
-
-       /* Scroll web view down to caret - we have to wait until
-        * GtkScrolledWindow is resized */
-       g_signal_connect (
-               widget, "size-allocate",
-               G_CALLBACK (composer_size_allocate_cb), NULL);
-
-       /* Set caret on the end of body - we have to wait until
-        * the page is loaded */
-       g_signal_connect (
-               WEBKIT_WEB_VIEW(widget), "notify::load-status",
-               G_CALLBACK (web_view_load_status_changed_cb), NULL);
-}
-
-static void
 composer_set_body (EMsgComposer *composer,
                    CamelMimeMessage *message,
                    EMailReplyStyle style,
@@ -2902,16 +2820,10 @@ composer_set_body (EMsgComposer *composer,
        gchar *text, *credits, *original;
        CamelMimePart *part;
        CamelSession *session;
-       GSettings *settings;
-       gboolean start_bottom;
        guint32 validity_found = 0;
 
        session = e_msg_composer_ref_session (composer);
 
-       settings = g_settings_new ("org.gnome.evolution.mail");
-
-       start_bottom = g_settings_get_boolean (settings, "composer-reply-start-bottom");
-
        switch (style) {
        case E_MAIL_REPLY_STYLE_DO_NOT_QUOTE:
                /* do nothing */
@@ -2932,9 +2844,6 @@ composer_set_body (EMsgComposer *composer,
                g_free (text);
                g_free (original);
                emu_update_composers_security (composer, validity_found);
-
-               if (start_bottom)
-                       composer_set_caret_on_body_end (composer);
                break;
 
        case E_MAIL_REPLY_STYLE_QUOTED:
@@ -2949,14 +2858,9 @@ composer_set_body (EMsgComposer *composer,
                e_msg_composer_set_body_text (composer, text, TRUE);
                g_free (text);
                emu_update_composers_security (composer, validity_found);
-
-               if (start_bottom)
-                       composer_set_caret_on_body_end (composer);
                break;
        }
 
-       g_object_unref (settings);
-
        g_object_unref (session);
 }
 


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