diff options
Diffstat (limited to 'backend/epub')
| -rw-r--r-- | backend/epub/epub-document.c | 98 |
1 files changed, 84 insertions, 14 deletions
diff --git a/backend/epub/epub-document.c b/backend/epub/epub-document.c index 7539fef8..bf1dc00b 100644 --- a/backend/epub/epub-document.c +++ b/backend/epub/epub-document.c @@ -1,3 +1,25 @@ +/* this file is part of atril, a mate document viewer + * + * Copyright (C) 2014 Avishkar Gupta + * + * Author: + * Avishkar Gupta <[email protected]> + * + * Atril is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * Atril 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 + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + */ + #include "ev-file-helpers.h" #include "epub-document.h" #include "unzip.h" @@ -11,7 +33,12 @@ #include <glib/gi18n.h> #include <glib/gstdio.h> -#include <webkit/webkit.h> +#if GTK_CHECK_VERSION(3, 0, 0) + #include <webkit2/webkit2.h> +#else + #include <webkit/webkit.h> +#endif + #include <gtk/gtk.h> typedef enum _xmlParseReturnType @@ -42,8 +69,6 @@ struct _EpubDocument gchar* tmp_archive_dir ; /*Stores the contentlist in a sorted manner*/ GList* contentList ; - /*uri of the current page being displayed in the webview*/ - gchar* currentpageuri ; /* A variable to hold our epubDocument for unzipping*/ unzFile epubDocument ; }; @@ -68,10 +93,10 @@ epub_document_thumbnails_get_thumbnail (EvDocumentThumbnails *document, cairo_surface_t* surface=NULL; gchar* uri = (gchar*) rc->page->backend_page; epub_webkit_render (&surface,uri); - while ( !surface ) - ; - gint width = cairo_image_surface_get_width (surface); - gint height = cairo_image_surface_get_height (surface); + if ( !surface ) { + return NULL ; + } + if (surface) { thumbnail = ev_document_misc_pixbuf_from_surface (surface); cairo_surface_destroy (surface); @@ -118,7 +143,7 @@ epub_document_get_n_pages (EvDocument *document) return g_list_length(epub_document->contentList); } - +#if !GTK_CHECK_VERSION(3, 0, 0) static void webkit_render_cb(GtkWidget *web_view, GParamSpec *specification, @@ -148,6 +173,51 @@ epub_webkit_render(cairo_surface_t **surface, webkit_web_view_load_uri(WEBKIT_WEB_VIEW(web_view),uri); } +#else /* The webkit2 code for GTK3 */ + +static void +snapshot_chain_cb(WebKitWebView *web_view, + GAsyncResult* res, + cairo_surface_t **surface) +{ + GError * err = NULL ; + *surface = webkit_web_view_get_snapshot_finish(WEBKIT_WEB_VIEW(web_view),res,&err); + if ( err ) { + surface = NULL ; + } +} + +static void +webkit_render_cb(WebKitWebView *webview, + WebKitLoadEvent load_status, + cairo_surface_t **surface) +{ + if ( load_status != WEBKIT_LOAD_FINISHED ) + return ; + + webkit_web_view_get_snapshot(webview, + WEBKIT_SNAPSHOT_REGION_FULL_DOCUMENT, + WEBKIT_SNAPSHOT_OPTIONS_INCLUDE_SELECTION_HIGHLIGHTING, + NULL, + (GAsyncReadyCallback)snapshot_chain_cb, + surface); +} + +static void epub_webkit_render(cairo_surface_t **surface, + const char* uri) +{ + GtkWidget *offscreen_window = gtk_offscreen_window_new (); + gtk_window_set_default_size(GTK_WINDOW(offscreen_window),800,600); + GtkWidget* scroll_view = gtk_scrolled_window_new (NULL,NULL); + gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW(scroll_view),GTK_POLICY_AUTOMATIC,GTK_POLICY_AUTOMATIC); + GtkWidget* web_view = webkit_web_view_new (); + gtk_container_add(GTK_CONTAINER(offscreen_window),scroll_view); + gtk_container_add(GTK_CONTAINER(scroll_view),web_view); + webkit_web_view_load_uri(WEBKIT_WEB_VIEW(web_view),uri); + gtk_widget_show_all(offscreen_window); + g_signal_connect(web_view,"load-changed",G_CALLBACK(webkit_render_cb),surface); +} +#endif /** * epub_remove_temporary_dir : Removes a directory recursively. * This function is same as comics_remove_temporary_dir @@ -793,7 +863,6 @@ epub_document_init (EpubDocument *epub_document) epub_document->archivename = NULL ; epub_document->tmp_archive_dir = NULL ; epub_document->contentList = NULL ; - epub_document->currentpageuri = NULL; } static gboolean @@ -869,11 +938,12 @@ epub_document_finalize (GObject *object) if ( epub_document->contentList ) { g_list_free_full(epub_document->contentList,(GDestroyNotify)free_tree_nodes); } - - g_free (epub_document->tmp_archive_dir); - g_free (epub_document->currentpageuri); - g_free (epub_document->archivename); - + if ( epub_document->tmp_archive_dir) { + g_free (epub_document->tmp_archive_dir); + } + if ( epub_document->archivename) { + g_free (epub_document->archivename); + } G_OBJECT_CLASS (epub_document_parent_class)->finalize (object); } |