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-rw-r--r--libempathy-gtk/empathy-webkit-utils.c300
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diff --git a/libempathy-gtk/empathy-webkit-utils.c b/libempathy-gtk/empathy-webkit-utils.c
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+/*
+ * Copyright (C) 2008-2009 Collabora Ltd.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ * Authors: Xavier Claessens <xclaesse@gmail.com>
+ */
+
+#include "config.h"
+
+#include <glib/gi18n.h>
+
+#include "empathy-webkit-utils.h"
+#include "empathy-smiley-manager.h"
+#include "empathy-ui-utils.h"
+
+#define BORING_DPI_DEFAULT 96
+
+static void
+empathy_webkit_match_newline (const gchar *text,
+ gssize len,
+ EmpathyStringReplace replace_func,
+ EmpathyStringParser *sub_parsers,
+ gpointer user_data)
+{
+ GString *string = user_data;
+ gint i;
+ gint prev = 0;
+
+ if (len < 0)
+ len = G_MAXSSIZE;
+
+ /* Replace \n by <br/> */
+ for (i = 0; i < len && text[i] != '\0'; i++)
+ {
+ if (text[i] == '\n')
+ {
+ empathy_string_parser_substr (text + prev, i - prev,
+ sub_parsers, user_data);
+ g_string_append (string, "<br/>");
+ prev = i + 1;
+ }
+ }
+
+ empathy_string_parser_substr (text + prev, i - prev,
+ sub_parsers, user_data);
+}
+
+static void
+empathy_webkit_replace_smiley (const gchar *text,
+ gssize len,
+ gpointer match_data,
+ gpointer user_data)
+{
+ EmpathySmileyHit *hit = match_data;
+ GString *string = user_data;
+
+ /* Replace smiley by a <img/> tag */
+ g_string_append_printf (string,
+ "<img src=\"%s\" alt=\"%.*s\" title=\"%.*s\"/>",
+ hit->path, (int)len, text, (int)len, text);
+}
+
+static EmpathyStringParser string_parsers[] = {
+ { empathy_string_match_link, empathy_string_replace_link },
+ { empathy_webkit_match_newline, NULL },
+ { empathy_string_match_all, empathy_string_replace_escaped },
+ { NULL, NULL}
+};
+
+static EmpathyStringParser string_parsers_with_smiley[] = {
+ { empathy_string_match_link, empathy_string_replace_link },
+ { empathy_string_match_smiley, empathy_webkit_replace_smiley },
+ { empathy_webkit_match_newline, NULL },
+ { empathy_string_match_all, empathy_string_replace_escaped },
+ { NULL, NULL }
+};
+
+EmpathyStringParser *
+empathy_webkit_get_string_parser (gboolean smileys)
+{
+ if (smileys)
+ return string_parsers_with_smiley;
+ else
+ return string_parsers;
+}
+
+static gboolean
+webkit_get_font_family (GValue *value,
+ GVariant *variant,
+ gpointer user_data)
+{
+ PangoFontDescription *font = pango_font_description_from_string (
+ g_variant_get_string (variant, NULL));
+
+ if (font == NULL)
+ return FALSE;
+
+ g_value_set_string (value, pango_font_description_get_family (font));
+ pango_font_description_free (font);
+
+ return TRUE;
+}
+
+static gboolean
+webkit_get_font_size (GValue *value,
+ GVariant *variant,
+ gpointer user_data)
+{
+ PangoFontDescription *font = pango_font_description_from_string (
+ g_variant_get_string (variant, NULL));
+ int size;
+
+ if (font == NULL)
+ return FALSE;
+
+ size = pango_font_description_get_size (font) / PANGO_SCALE;
+
+ if (pango_font_description_get_size_is_absolute (font))
+ {
+ GdkScreen *screen = gdk_screen_get_default ();
+ double dpi;
+
+ if (screen != NULL)
+ dpi = gdk_screen_get_resolution (screen);
+ else
+ dpi = BORING_DPI_DEFAULT;
+
+ size = (gint) (size / (dpi / 72));
+ }
+
+ g_value_set_int (value, size);
+ pango_font_description_free (font);
+
+ return TRUE;
+}
+
+void
+empathy_webkit_bind_font_setting (WebKitWebView *webview,
+ GSettings *gsettings,
+ const char *key)
+{
+ WebKitWebSettings *settings = webkit_web_view_get_settings (webview);
+
+ g_settings_bind_with_mapping (gsettings, key,
+ settings, "default-font-family",
+ G_SETTINGS_BIND_GET,
+ webkit_get_font_family,
+ NULL,
+ NULL, NULL);
+ g_settings_bind_with_mapping (gsettings, key,
+ settings, "default-font-size",
+ G_SETTINGS_BIND_GET,
+ webkit_get_font_size,
+ NULL,
+ NULL, NULL);
+}
+
+static void
+empathy_webkit_copy_address_cb (GtkMenuItem *menuitem,
+ gpointer user_data)
+{
+ WebKitHitTestResult *hit_test_result = WEBKIT_HIT_TEST_RESULT (user_data);
+ gchar *uri;
+ GtkClipboard *clipboard;
+
+ g_object_get (G_OBJECT (hit_test_result),
+ "link-uri", &uri,
+ NULL);
+
+ clipboard = gtk_clipboard_get (GDK_SELECTION_CLIPBOARD);
+ gtk_clipboard_set_text (clipboard, uri, -1);
+
+ clipboard = gtk_clipboard_get (GDK_SELECTION_PRIMARY);
+ gtk_clipboard_set_text (clipboard, uri, -1);
+
+ g_free (uri);
+}
+
+static void
+empathy_webkit_open_address_cb (GtkMenuItem *menuitem,
+ gpointer user_data)
+{
+ WebKitHitTestResult *hit_test_result = WEBKIT_HIT_TEST_RESULT (user_data);
+ gchar *uri;
+
+ g_object_get (G_OBJECT (hit_test_result),
+ "link-uri", &uri,
+ NULL);
+
+ empathy_url_show (GTK_WIDGET (menuitem), uri);
+
+ g_free (uri);
+}
+
+static void
+empathy_webkit_context_menu_selection_done_cb (GtkMenuShell *menu,
+ gpointer user_data)
+{
+ WebKitHitTestResult *hit_test_result = WEBKIT_HIT_TEST_RESULT (user_data);
+
+ g_object_unref (hit_test_result);
+}
+
+void
+empathy_webkit_context_menu_for_event (WebKitWebView *view,
+ GdkEventButton *event,
+ EmpathyWebKitMenuFlags flags)
+{
+ WebKitHitTestResult *hit_test_result;
+ WebKitHitTestResultContext context;
+ GtkWidget *menu;
+ GtkWidget *item;
+
+ hit_test_result = webkit_web_view_get_hit_test_result (view, event);
+ g_object_get (G_OBJECT (hit_test_result),
+ "context", &context,
+ NULL);
+
+ /* The menu */
+ menu = empathy_context_menu_new (GTK_WIDGET (view));
+
+ /* Select all item */
+ item = gtk_image_menu_item_new_from_stock (GTK_STOCK_SELECT_ALL, NULL);
+ gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
+
+ g_signal_connect_swapped (item, "activate",
+ G_CALLBACK (webkit_web_view_select_all),
+ view);
+
+ /* Copy menu item */
+ if (webkit_web_view_can_copy_clipboard (view))
+ {
+ item = gtk_image_menu_item_new_from_stock (GTK_STOCK_COPY, NULL);
+ gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
+
+ g_signal_connect_swapped (item, "activate",
+ G_CALLBACK (webkit_web_view_copy_clipboard),
+ view);
+ }
+
+ /* Clear menu item */
+ if (flags & EMPATHY_WEBKIT_MENU_CLEAR)
+ {
+ item = gtk_separator_menu_item_new ();
+ gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
+
+ item = gtk_image_menu_item_new_from_stock (GTK_STOCK_CLEAR, NULL);
+ gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
+
+ g_signal_connect_swapped (item, "activate",
+ G_CALLBACK (empathy_chat_view_clear),
+ view);
+ }
+
+ /* We will only add the following menu items if we are
+ * right-clicking a link */
+ if (context & WEBKIT_HIT_TEST_RESULT_CONTEXT_LINK)
+ {
+ /* Separator */
+ item = gtk_separator_menu_item_new ();
+ gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
+
+ /* Copy Link Address menu item */
+ item = gtk_menu_item_new_with_mnemonic (_("_Copy Link Address"));
+ g_signal_connect (item, "activate",
+ G_CALLBACK (empathy_webkit_copy_address_cb),
+ hit_test_result);
+ gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
+
+ /* Open Link menu item */
+ item = gtk_menu_item_new_with_mnemonic (_("_Open Link"));
+ g_signal_connect (item, "activate",
+ G_CALLBACK (empathy_webkit_open_address_cb),
+ hit_test_result);
+ gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
+ }
+
+ g_signal_connect (GTK_MENU_SHELL (menu), "selection-done",
+ G_CALLBACK (empathy_webkit_context_menu_selection_done_cb),
+ hit_test_result);
+
+ /* Display the menu */
+ gtk_widget_show_all (menu);
+ gtk_menu_popup (GTK_MENU (menu), NULL, NULL, NULL, NULL,
+ event->button, event->time);
+}
+
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