X-Git-Url: http://git.maemo.org/git/?p=modest;a=blobdiff_plain;f=src%2Fwidgets%2Fmodest-gtkhtml-mime-part-view.c;h=37b97bc53c701da061162d3cce88d4983d08e93e;hp=62e4e06b33378c9f4831f698b4d63d6a9034cbb0;hb=HEAD;hpb=dd182e8507c92a56f8e202f7766efc6227db8233 diff --git a/src/widgets/modest-gtkhtml-mime-part-view.c b/src/widgets/modest-gtkhtml-mime-part-view.c index 62e4e06..37b97bc 100644 --- a/src/widgets/modest-gtkhtml-mime-part-view.c +++ b/src/widgets/modest-gtkhtml-mime-part-view.c @@ -43,6 +43,8 @@ #include #include #include +#include +#include /* gobject structure methods */ static void modest_gtkhtml_mime_part_view_class_init (ModestGtkhtmlMimePartViewClass *klass); @@ -59,6 +61,8 @@ static gboolean on_link_clicked (GtkWidget *widget, const gchar *uri, ModestGt static gboolean on_url (GtkWidget *widget, const gchar *uri, ModestGtkhtmlMimePartView *self); static gboolean on_url_requested (GtkWidget *widget, const gchar *uri, GtkHTMLStream *stream, ModestGtkhtmlMimePartView *self); +static void on_notify_style (GObject *obj, GParamSpec *spec, gpointer userdata); +static gboolean update_style (ModestGtkhtmlMimePartView *self); /* TnyMimePartView implementation */ static void modest_gtkhtml_mime_part_view_clear (TnyMimePartView *self); static void modest_gtkhtml_mime_part_view_clear_default (TnyMimePartView *self); @@ -97,7 +101,7 @@ static gboolean modest_gtkhtml_mime_part_view_get_selection_area_default (Modest /* internal api */ static TnyMimePart *get_part (ModestGtkhtmlMimePartView *self); -static void set_html_part (ModestGtkhtmlMimePartView *self, TnyMimePart *part); +static void set_html_part (ModestGtkhtmlMimePartView *self, TnyMimePart *part, const gchar *encoding); static void set_text_part (ModestGtkhtmlMimePartView *self, TnyMimePart *part); static void set_empty_part (ModestGtkhtmlMimePartView *self); static void set_part (ModestGtkhtmlMimePartView *self, TnyMimePart *part); @@ -120,14 +124,23 @@ struct _ModestGtkhtmlMimePartViewPrivate { gdouble current_zoom; gboolean view_images; gboolean has_external_images; + GSList *sighandlers; }; #define MODEST_GTKHTML_MIME_PART_VIEW_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE((o), \ MODEST_TYPE_GTKHTML_MIME_PART_VIEW, \ ModestGtkhtmlMimePartViewPrivate)) +enum { + STOP_STREAMS_SIGNAL, + LIMIT_ERROR_SIGNAL, + LAST_SIGNAL +}; + static GtkHTMLClass *parent_class = NULL; +static guint signals[LAST_SIGNAL] = {0}; + GtkWidget * modest_gtkhtml_mime_part_view_new () { @@ -239,15 +252,35 @@ modest_gtkhtml_mime_part_view_class_init (ModestGtkhtmlMimePartViewClass *klass) gtk_binding_entry_skip (binding_set, GDK_End, 0); gtk_binding_entry_skip (binding_set, GDK_KP_Home, 0); gtk_binding_entry_skip (binding_set, GDK_KP_End, 0); - + g_type_class_add_private (gobject_class, sizeof(ModestGtkhtmlMimePartViewPrivate)); + signals[STOP_STREAMS_SIGNAL] = + g_signal_new ("stop-streams", + G_TYPE_FROM_CLASS (gobject_class), + G_SIGNAL_RUN_FIRST, + G_STRUCT_OFFSET (ModestGtkhtmlMimePartViewClass,stop_streams), + NULL, NULL, + g_cclosure_marshal_VOID__VOID, + G_TYPE_NONE, 0); + + signals[LIMIT_ERROR_SIGNAL] = + g_signal_new ("limit-error", + G_TYPE_FROM_CLASS (gobject_class), + G_SIGNAL_RUN_FIRST, + G_STRUCT_OFFSET (ModestGtkhtmlMimePartViewClass,limit_error), + NULL, NULL, + g_cclosure_marshal_VOID__VOID, + G_TYPE_NONE, 0); + } -static void +static void modest_gtkhtml_mime_part_view_init (ModestGtkhtmlMimePartView *self) { ModestGtkhtmlMimePartViewPrivate *priv = MODEST_GTKHTML_MIME_PART_VIEW_GET_PRIVATE (self); + GdkColor base; + GdkColor text; gtk_html_set_editable (GTK_HTML(self), FALSE); gtk_html_allow_selection (GTK_HTML(self), TRUE); @@ -255,12 +288,42 @@ modest_gtkhtml_mime_part_view_init (ModestGtkhtmlMimePartView *self) gtk_html_set_blocking (GTK_HTML(self), TRUE); gtk_html_set_images_blocking (GTK_HTML(self), TRUE); - g_signal_connect (G_OBJECT(self), "link_clicked", - G_CALLBACK(on_link_clicked), self); - g_signal_connect (G_OBJECT(self), "url_requested", - G_CALLBACK(on_url_requested), self); - g_signal_connect (G_OBJECT(self), "on_url", - G_CALLBACK(on_url), self); +#ifdef MODEST_TOOLKIT_HILDON2 +#ifdef HAVE_GTK_HTML_SET_MAX_IMAGE_SIZE + /* We set a maximum width of a bit less than the width of the screen, and a + maximum height of 2 times the full size of the window. Should be enough */ + gtk_html_set_max_image_size (GTK_HTML (self), 720, 880); +#endif +#ifdef HAVE_GTK_HTML_SET_ALLOW_DND + gtk_html_set_allow_dnd (GTK_HTML(self), FALSE); +#endif +#ifdef HAVE_GTK_HTML_SET_WORD_CHAR_WRAPPING + gtk_html_set_word_char_wrapping (GTK_HTML (self), TRUE); +#endif +#endif + +#ifdef HAVE_GTK_HTML_SET_DEFAULT_ENGINE + /* Enable Content type handling */ + gtk_html_set_default_engine (GTK_HTML (self), TRUE); +#endif + + gdk_color_parse ("#fff", &base); + gdk_color_parse ("#000", &text); + gtk_widget_modify_base (GTK_WIDGET (self), GTK_STATE_NORMAL, &base); + gtk_widget_modify_text (GTK_WIDGET (self), GTK_STATE_NORMAL, &text); + + priv->sighandlers = modest_signal_mgr_connect (priv->sighandlers, + G_OBJECT(self), "link_clicked", + G_CALLBACK(on_link_clicked), self); + priv->sighandlers = modest_signal_mgr_connect (priv->sighandlers, + G_OBJECT(self), "url_requested", + G_CALLBACK(on_url_requested), self); + priv->sighandlers = modest_signal_mgr_connect (priv->sighandlers, + G_OBJECT(self), "on_url", + G_CALLBACK(on_url), self); + priv->sighandlers = modest_signal_mgr_connect (priv->sighandlers, + G_OBJECT(self), "notify::style", + G_CALLBACK (on_notify_style), (gpointer) self); priv->part = NULL; priv->current_zoom = 1.0; @@ -271,6 +334,11 @@ modest_gtkhtml_mime_part_view_init (ModestGtkhtmlMimePartView *self) static void modest_gtkhtml_mime_part_view_finalize (GObject *obj) { + ModestGtkhtmlMimePartViewPrivate *priv = MODEST_GTKHTML_MIME_PART_VIEW_GET_PRIVATE (obj); + + modest_signal_mgr_disconnect_all_and_destroy (priv->sighandlers); + priv->sighandlers = NULL; + G_OBJECT_CLASS (parent_class)->finalize (obj); } @@ -279,6 +347,8 @@ modest_gtkhtml_mime_part_view_dispose (GObject *obj) { ModestGtkhtmlMimePartViewPrivate *priv = MODEST_GTKHTML_MIME_PART_VIEW_GET_PRIVATE (obj); + g_signal_emit (G_OBJECT (obj), signals[STOP_STREAMS_SIGNAL], 0); + if (priv->part) { g_object_unref (priv->part); priv->part = NULL; @@ -289,6 +359,55 @@ modest_gtkhtml_mime_part_view_dispose (GObject *obj) /* GTKHTML SIGNALS HANDLERS */ +static void +on_notify_style (GObject *obj, GParamSpec *spec, gpointer userdata) +{ + if (strcmp ("style", spec->name) == 0) { + g_idle_add_full (G_PRIORITY_DEFAULT, (GSourceFunc) update_style, + g_object_ref (obj), g_object_unref); + gtk_widget_queue_draw (GTK_WIDGET (obj)); + } +} + +gboolean +same_color (GdkColor *a, GdkColor *b) +{ + return ((a->red == b->red) && + (a->green == b->green) && + (a->blue == b->blue)); +} + +static gboolean +update_style (ModestGtkhtmlMimePartView *self) +{ + GdkColor base; + GdkColor text; + GtkRcStyle *rc_style; + + gdk_threads_enter (); + + if (GTK_WIDGET_VISIBLE (self)) { + rc_style = gtk_widget_get_modifier_style (GTK_WIDGET (self)); + + gdk_color_parse ("#fff", &base); + gdk_color_parse ("#000", &text); + + if (!same_color (&(rc_style->base[GTK_STATE_NORMAL]), &base) && + !same_color (&(rc_style->text[GTK_STATE_NORMAL]), &text)) { + + rc_style->base[GTK_STATE_NORMAL] = base; + rc_style->text[GTK_STATE_NORMAL] = text; + gtk_widget_modify_style (GTK_WIDGET (self), rc_style); + } + } + + gdk_threads_leave (); + + return FALSE; +} + + + static gboolean on_link_clicked (GtkWidget *widget, const gchar *uri, ModestGtkhtmlMimePartView *self) { @@ -309,12 +428,6 @@ on_url (GtkWidget *widget, const gchar *uri, ModestGtkhtmlMimePartView *self) return result; } -typedef struct { - gpointer buffer; - GtkHTML *html; - GtkHTMLStream *stream; -} ImageFetcherInfo; - static gboolean on_url_requested (GtkWidget *widget, const gchar *uri, GtkHTMLStream *stream, ModestGtkhtmlMimePartView *self) @@ -329,7 +442,7 @@ on_url_requested (GtkWidget *widget, const gchar *uri, GtkHTMLStream *stream, if (!priv->view_images) priv->has_external_images = TRUE; } - + tny_stream = TNY_STREAM (modest_tny_stream_gtkhtml_new (stream, GTK_HTML (widget))); g_signal_emit_by_name (MODEST_MIME_PART_VIEW (self), "fetch-url", uri, tny_stream, &result); g_object_unref (tny_stream); @@ -337,24 +450,55 @@ on_url_requested (GtkWidget *widget, const gchar *uri, GtkHTMLStream *stream, } /* INTERNAL API */ +static void +decode_to_stream_cb (TnyMimePart *self, + gboolean cancelled, + TnyStream *stream, + GError *err, + gpointer user_data) +{ + ModestGtkhtmlMimePartView *view = (ModestGtkhtmlMimePartView *) user_data; + + if (MODEST_IS_STREAM_TEXT_TO_HTML (stream)) { + if (tny_stream_write (stream, "\n", 1) == -1) { + g_warning ("failed to write CR in %s", __FUNCTION__); + } + if (modest_stream_text_to_html_limit_reached (MODEST_STREAM_TEXT_TO_HTML (stream))) { + g_signal_emit (G_OBJECT (view), signals[LIMIT_ERROR_SIGNAL], 0); + } + tny_stream_reset (stream); + } else { + if (modest_tny_stream_gtkhtml_limit_reached (MODEST_TNY_STREAM_GTKHTML (stream))) { + g_signal_emit (G_OBJECT (view), signals[LIMIT_ERROR_SIGNAL], 0); + } + } + tny_stream_close (stream); +} static void -set_html_part (ModestGtkhtmlMimePartView *self, TnyMimePart *part) +set_html_part (ModestGtkhtmlMimePartView *self, TnyMimePart *part, const gchar *encoding) { GtkHTMLStream *gtkhtml_stream; - TnyStream *tny_stream; - + TnyStream *tny_stream; + gchar *content_type; + g_return_if_fail (self); g_return_if_fail (part); - - gtkhtml_stream = gtk_html_begin(GTK_HTML(self)); + + g_signal_emit (G_OBJECT (self), signals[STOP_STREAMS_SIGNAL], 0); + + content_type = g_strdup_printf ("text/html; charset=%s", encoding); + gtkhtml_stream = gtk_html_begin_full(GTK_HTML(self), NULL, content_type, 0); + g_free (content_type); tny_stream = TNY_STREAM(modest_tny_stream_gtkhtml_new (gtkhtml_stream, GTK_HTML (self))); + modest_tny_stream_gtkhtml_set_max_size (MODEST_TNY_STREAM_GTKHTML (tny_stream), 128*1024); tny_stream_reset (tny_stream); - tny_mime_part_decode_to_stream ((TnyMimePart*)part, tny_stream, NULL); - tny_stream_close (tny_stream); - g_object_unref (G_OBJECT(tny_stream)); + tny_mime_part_decode_to_stream_async (TNY_MIME_PART (part), + tny_stream, decode_to_stream_cb, + NULL, self); + g_object_unref (tny_stream); } static void @@ -362,25 +506,29 @@ set_text_part (ModestGtkhtmlMimePartView *self, TnyMimePart *part) { TnyStream* text_to_html_stream, *tny_stream; GtkHTMLStream *gtkhtml_stream; - + g_return_if_fail (self); g_return_if_fail (part); - gtkhtml_stream = gtk_html_begin(GTK_HTML(self)); + g_signal_emit (G_OBJECT (self), signals[STOP_STREAMS_SIGNAL], 0); + + gtkhtml_stream = gtk_html_begin(GTK_HTML(self)); tny_stream = TNY_STREAM(modest_tny_stream_gtkhtml_new (gtkhtml_stream, GTK_HTML (self))); + modest_tny_stream_gtkhtml_set_max_size (MODEST_TNY_STREAM_GTKHTML (tny_stream), 128*1024); text_to_html_stream = TNY_STREAM (modest_stream_text_to_html_new (tny_stream)); - modest_stream_text_to_html_set_linkify_limit (MODEST_STREAM_TEXT_TO_HTML (text_to_html_stream), 64*1024); - modest_stream_text_to_html_set_full_limit (MODEST_STREAM_TEXT_TO_HTML (text_to_html_stream), 640*1024); - - // FIXME: tinymail - tny_mime_part_decode_to_stream ((TnyMimePart*)part, text_to_html_stream, NULL); - tny_stream_write (text_to_html_stream, "\n", 1); - tny_stream_reset (text_to_html_stream); - tny_stream_close (text_to_html_stream); - + modest_stream_text_to_html_set_linkify_limit (MODEST_STREAM_TEXT_TO_HTML (text_to_html_stream), + 64*1024); + modest_stream_text_to_html_set_full_limit (MODEST_STREAM_TEXT_TO_HTML (text_to_html_stream), + 128*1024); + modest_stream_text_to_html_set_line_limit (MODEST_STREAM_TEXT_TO_HTML (text_to_html_stream), + 1024); + + tny_mime_part_decode_to_stream_async (TNY_MIME_PART (part), + text_to_html_stream, decode_to_stream_cb, + NULL, self); + g_object_unref (G_OBJECT(text_to_html_stream)); g_object_unref (G_OBJECT(tny_stream)); - /* gtk_html_stream_destroy (gtkhtml_stream); */ } static void @@ -388,14 +536,17 @@ set_empty_part (ModestGtkhtmlMimePartView *self) { g_return_if_fail (self); - gtk_html_load_from_string (GTK_HTML(self), - "", 1); + g_signal_emit (G_OBJECT (self), signals[STOP_STREAMS_SIGNAL], 0); + gtk_html_load_from_string (GTK_HTML(self), "", 1); } static void set_part (ModestGtkhtmlMimePartView *self, TnyMimePart *part) { ModestGtkhtmlMimePartViewPrivate *priv; + gchar *header_content_type, *header_content_type_lower; + const gchar *tmp; + gchar *charset = NULL; g_return_if_fail (self); @@ -415,23 +566,39 @@ set_part (ModestGtkhtmlMimePartView *self, TnyMimePart *part) return; } + header_content_type = modest_tny_mime_part_get_header_value (part, "Content-Type"); + if (header_content_type) { + header_content_type = g_strstrip (header_content_type); + header_content_type_lower = g_ascii_strdown (header_content_type, -1); + } else { + header_content_type_lower = NULL; + } + + if (header_content_type_lower) { + tmp = strstr (header_content_type_lower, "charset="); + if (tmp) { + const gchar *tmp2; + tmp = tmp + strlen ("charset="); + + tmp2 = strstr (tmp, ";"); + if (tmp2) { + charset = g_strndup (tmp, tmp2-tmp); + } else { + charset = g_strdup (tmp); + } + } + } + if (tny_mime_part_content_type_is (part, "text/html")) { - set_html_part (self, part); + set_html_part (self, part, charset); } else { if (tny_mime_part_content_type_is (part, "message/rfc822")) { - gchar *header_content_type, *header_content_type_lower; - header_content_type = modest_tny_mime_part_get_header_value (part, "Content-Type"); if (header_content_type) { - header_content_type = g_strstrip (header_content_type); - header_content_type_lower = g_ascii_strdown (header_content_type, -1); - - if (!g_ascii_strcasecmp (header_content_type_lower, "text/html")) - set_html_part (self, part); + if (g_str_has_prefix (header_content_type_lower, "text/html")) + set_html_part (self, part, charset); else set_text_part (self, part); - g_free (header_content_type_lower); - g_free (header_content_type); } else { set_text_part (self, part); } @@ -439,6 +606,8 @@ set_part (ModestGtkhtmlMimePartView *self, TnyMimePart *part) set_text_part (self, part); } } + g_free (header_content_type_lower); + g_free (header_content_type); }