]> www.fi.muni.cz Git - evince.git/blobdiff - shell/ev-window.c
PageCache and EvJobs are moved from backend to shell. Two new jobs to
[evince.git] / shell / ev-window.c
index 7bdeacd28db1ff5eeb3f04a363725efc78b32f76..577ee4c90932bd1df311e0ae3cd24442566eb6d7 100644 (file)
 #include "ev-document-thumbnails.h"
 #include "ev-document-links.h"
 #include "ev-document-fonts.h"
-#include "ev-document-types.h"
 #include "ev-document-find.h"
 #include "ev-document-security.h"
 #include "ev-job-queue.h"
+#include "ev-jobs.h"
+#include "ev-statusbar.h"
 #include "eggfindbar.h"
 #include "egg-recent-view-gtk.h"
 #include "egg-recent-view.h"
 #include <glib/gi18n.h>
 #include <gtk/gtk.h>
 #include <gnome.h>
-
-#include <libgnomevfs/gnome-vfs-uri.h>
-#include <libgnomevfs/gnome-vfs-utils.h>
-#include <libgnomevfs/gnome-vfs-ops.h>
 #include <libgnomeprintui/gnome-print-dialog.h>
-
+#include <libgnomevfs/gnome-vfs-utils.h>
 #include <gconf/gconf-client.h>
 
 #include <string.h>
@@ -87,6 +84,9 @@ typedef enum {
 } EvChrome;
 
 struct _EvWindowPrivate {
+       /* UI */
+       EvChrome chrome;
+
        GtkWidget *main_box;
        GtkWidget *menubar;
        GtkWidget *toolbar_dock;
@@ -98,31 +98,35 @@ struct _EvWindowPrivate {
        GtkWidget *view;
        GtkWidget *page_view;
        GtkWidget *password_view;
+       GtkWidget *statusbar;
 
+       /* UI Builders */
        GtkActionGroup *action_group;
        GtkUIManager *ui_manager;
 
        gchar *toolbar_file;
        EggToolbarsModel *toolbar_model;
-
-       GtkWidget *statusbar;
-       guint help_message_cid;
-       guint view_message_cid;
+       
+       /* Fullscreen mode */
        GtkWidget *fullscreen_toolbar;
        GtkWidget *fullscreen_popup;
-       char *uri;
+       GSource *fullscreen_timeout_source;
 
+       /* Document */
+       char *uri;
        EvDocument *document;
        EvPageCache *page_cache;
 
        EvWindowPageMode page_mode;
+
        /* These members are used temporarily when in PAGE_MODE_PASSWORD */
        EvDocument *password_document;
        GtkWidget *password_dialog;
        char *password_uri;
 
-       EvChrome chrome;
-       GSource *fullscreen_timeout_source;
+       /* Job used to load document */
+       EvJob *xfer_job;
+       EvJob *load_job;
 
        /* recent file stuff */
        EggRecentModel *recent_model;
@@ -154,9 +158,10 @@ static void     ev_window_sidebar_visibility_changed_cb (EvSidebar        *ev_si
                                                         EvWindow         *ev_window);
 static void     ev_window_set_page_mode                 (EvWindow         *window,
                                                         EvWindowPageMode  page_mode);
-static gboolean start_loading_document                  (EvWindow         *ev_window,
-                                                        EvDocument       *document,
-                                                        const char       *uri);
+static void    ev_window_load_job_cb                   (EvJobLoad *job,
+                                                        gpointer data);
+static void    ev_window_xfer_job_cb                   (EvJobXfer *job,
+                                                        gpointer data);
 static void     ev_window_sizing_mode_changed_cb        (EvView           *view,
                                                         GParamSpec       *pspec,
                                                         EvWindow         *ev_window);
@@ -491,7 +496,9 @@ ev_window_is_empty (const EvWindow *ev_window)
 {
        g_return_val_if_fail (EV_IS_WINDOW (ev_window), FALSE);
 
-       return ev_window->priv->document == NULL;
+       return (ev_window->priv->document == NULL) && 
+               (ev_window->priv->load_job == NULL) &&
+               (ev_window->priv->xfer_job == NULL);
 }
 
 static void
@@ -603,7 +610,7 @@ ev_window_setup_document (EvWindow *ev_window)
        GtkAction *action;
 
        document = ev_window->priv->document;
-       ev_window->priv->page_cache = ev_document_get_page_cache (ev_window->priv->document);
+       ev_window->priv->page_cache = ev_page_cache_get (ev_window->priv->document);
        g_signal_connect (ev_window->priv->page_cache, "page-changed", G_CALLBACK (page_changed_cb), ev_window);
 
        g_signal_connect_object (G_OBJECT (document),
@@ -659,11 +666,18 @@ password_dialog_response (GtkWidget *password_dialog,
 
                ev_window->priv->password_document = NULL;
                ev_window->priv->password_uri = NULL;
+               
+               ev_job_queue_add_job (ev_window->priv->load_job, EV_JOB_PRIORITY_HIGH);
+               
+               ev_statusbar_push (EV_STATUSBAR (ev_window->priv->statusbar),
+                                  EV_CONTEXT_PROGRESS,
+                                  _("Loading document. Please wait"));
 
-               if (start_loading_document (ev_window, document, uri)) {
-                       gtk_widget_destroy (password_dialog);
-               }
-
+               ev_statusbar_set_progress  (EV_STATUSBAR (ev_window->priv->statusbar), 
+                                           TRUE);
+       
+               gtk_widget_destroy (password_dialog);
+                       
                g_object_unref (document);
                g_free (uri);
 
@@ -674,7 +688,7 @@ password_dialog_response (GtkWidget *password_dialog,
        gtk_widget_destroy (password_dialog);
 }
 
-/* Called either by start_loading_document or by the "unlock" callback on the
+/* Called either by ev_window_load_job_cb or by the "unlock" callback on the
  * password_view page.  It assumes that ev_window->priv->password_* has been set
  * correctly.  These are cleared by password_dialog_response() */
 
@@ -708,8 +722,32 @@ ev_window_popup_password_dialog (EvWindow *ev_window)
        }
 }
 
-/* This wil try to load the document.  It might be called multiple times on the
- * same document by the password dialog.
+
+static void
+ev_window_clear_jobs (EvWindow *ev_window)
+{
+    if (ev_window->priv->load_job != NULL) {
+
+       if (!ev_window->priv->load_job->finished)
+               ev_job_queue_remove_job (ev_window->priv->load_job);
+
+       g_signal_handlers_disconnect_by_func (ev_window->priv->load_job, ev_window_load_job_cb, ev_window);
+       g_object_unref (ev_window->priv->load_job);
+       ev_window->priv->load_job = NULL;
+    }
+
+    if (ev_window->priv->xfer_job != NULL) {
+
+       if (!ev_window->priv->xfer_job->finished)
+               ev_job_queue_remove_job (ev_window->priv->xfer_job);
+
+       g_signal_handlers_disconnect_by_func (ev_window->priv->xfer_job, ev_window_xfer_job_cb, ev_window);
+       g_object_unref (ev_window->priv->xfer_job);
+       ev_window->priv->xfer_job = NULL;
+    }
+}
+
+/* This callback will executed when load job will be finished.
  *
  * Since the flow of the error dialog is very confusing, we assume that both
  * document and uri will go away after this function is called, and thus we need
@@ -717,17 +755,23 @@ ev_window_popup_password_dialog (EvWindow *ev_window)
  * ev_window->priv->password_{uri,document}, and thus people who call this
  * function should _not_ necessarily expect those to exist after being
  * called. */
-static gboolean
-start_loading_document (EvWindow   *ev_window,
-                       EvDocument *document,
-                       const char *uri)
+static void
+ev_window_load_job_cb  (EvJobLoad *job,
+                       gpointer data)
 {
-       gboolean result;
-       GError *error = NULL;
+       EvWindow *ev_window = EV_WINDOW (data);
+       EvDocument *document = EV_JOB (job)->document;
 
        g_assert (document);
        g_assert (document != ev_window->priv->document);
-       g_assert (uri);
+       g_assert (job->uri);
+
+       ev_statusbar_pop (EV_STATUSBAR (ev_window->priv->statusbar),
+                         EV_CONTEXT_PROGRESS);
+
+        ev_statusbar_set_progress  (EV_STATUSBAR (ev_window->priv->statusbar), 
+                                   FALSE);
+
        if (ev_window->priv->password_document) {
                g_object_unref (ev_window->priv->password_document);
                ev_window->priv->password_document = NULL;
@@ -737,31 +781,27 @@ start_loading_document (EvWindow   *ev_window,
                ev_window->priv->password_uri = NULL;
        }
 
-       result = ev_document_load (document, uri, &error);
-
        /* Success! */
-       if (result) {
+       if (job->error == NULL) {
                if (ev_window->priv->document)
                        g_object_unref (ev_window->priv->document);
                ev_window->priv->document = g_object_ref (document);
                ev_window_setup_document (ev_window);
                
-               ev_window_add_recent (ev_window, uri);
-
-               return TRUE;
+               ev_window_add_recent (ev_window, job->uri);
+               ev_window_clear_jobs (ev_window);
+               
+               return;
        }
 
-       /* unable to load the document */
-       g_assert (error != NULL);
-
-       if (error->domain == EV_DOCUMENT_ERROR &&
-           error->code == EV_DOCUMENT_ERROR_ENCRYPTED) {
+       if (job->error->domain == EV_DOCUMENT_ERROR &&
+           job->error->code == EV_DOCUMENT_ERROR_ENCRYPTED) {
                gchar *base_name, *file_name;
 
                ev_window->priv->password_document = g_object_ref (document);
-               ev_window->priv->password_uri = g_strdup (uri);
+               ev_window->priv->password_uri = g_strdup (job->uri);
 
-               base_name = g_path_get_basename (uri);
+               base_name = g_path_get_basename (job->uri);
                file_name = gnome_vfs_unescape_string_for_display (base_name);
 
                ev_password_view_set_file_name (EV_PASSWORD_VIEW (ev_window->priv->password_view),
@@ -772,103 +812,102 @@ start_loading_document (EvWindow   *ev_window,
 
                ev_window_popup_password_dialog (ev_window);
        } else {
-               unable_to_load (ev_window, error->message);
-       }
-       g_error_free (error);
+               unable_to_load (ev_window, job->error->message);
+       }       
 
-       return FALSE;
+       return;
 }
 
-static gboolean
-sanity_check_uri (EvWindow *window, const char *uri)
+static void
+ev_window_xfer_job_cb  (EvJobXfer *job,
+                       gpointer data)
 {
-       gboolean result = FALSE;
-       GnomeVFSURI *vfs_uri;
-       char *err;
+       EvWindow *ev_window = EV_WINDOW (data);
 
-       vfs_uri = gnome_vfs_uri_new (uri);
-       if (vfs_uri) {
-               if (gnome_vfs_uri_exists (vfs_uri)) {
-                       result = TRUE;
-               }
-       }
+       ev_statusbar_pop (EV_STATUSBAR (ev_window->priv->statusbar),
+                         EV_CONTEXT_PROGRESS);
 
-       if (!result) {
-               err = g_strdup_printf (_("The file %s does not exist."), uri);
-               unable_to_load (window, err);
-               g_free (err);
-       }
+        ev_statusbar_set_progress  (EV_STATUSBAR (ev_window->priv->statusbar), 
+                                   FALSE);
+       
+       if (job->error != NULL) {
+               unable_to_load (ev_window, job->error->message);
+               ev_window_clear_jobs (ev_window);
+       } else {
+               EvDocument *document = g_object_ref (EV_JOB (job)->document);
+
+               ev_window_clear_jobs (ev_window);
+               
+               ev_window->priv->load_job = ev_job_load_new (document, ev_window->priv->uri);
+               g_signal_connect (ev_window->priv->load_job,
+                                 "finished",
+                                 G_CALLBACK (ev_window_load_job_cb),
+                                 ev_window);
+               ev_job_queue_add_job (ev_window->priv->load_job, EV_JOB_PRIORITY_HIGH);
+
+               ev_statusbar_push (EV_STATUSBAR (ev_window->priv->statusbar),
+                                  EV_CONTEXT_PROGRESS,
+                                  _("Loading document. Please wait"));
+               ev_statusbar_set_progress  (EV_STATUSBAR (ev_window->priv->statusbar), 
+                                           TRUE);
 
-       return result;
+       }               
 }
 
 void
-ev_window_open (EvWindow *ev_window, const char *uri)
+ev_window_open_uri (EvWindow *ev_window, const char *uri)
 {
-       EvDocument *document = NULL;
-       GType document_type;
-       char *mime_type = NULL;
-
-       if (!sanity_check_uri (ev_window, uri)) {
-               return;
-       }
+       if (ev_window->priv->password_dialog)
+               gtk_widget_destroy (ev_window->priv->password_dialog);
 
        g_free (ev_window->priv->uri);
        ev_window->priv->uri = g_strdup (uri);
+       
+       ev_window_clear_jobs (ev_window);
+       
+       ev_window->priv->xfer_job = ev_job_xfer_new (uri);
+       g_signal_connect (ev_window->priv->xfer_job,
+                         "finished",
+                         G_CALLBACK (ev_window_xfer_job_cb),
+                         ev_window);
+       ev_job_queue_add_job (ev_window->priv->xfer_job, EV_JOB_PRIORITY_HIGH);
 
-       document_type = ev_document_type_lookup (uri, &mime_type);
-       if (document_type != G_TYPE_INVALID) {
-               document = g_object_new (document_type, NULL);
-       }
-
-       if (document) {
-               start_loading_document (ev_window, document, uri);
-               /* See the comment on start_loading_document on ref counting.
-                * As the password dialog flow is confusing, we're very explicit
-                * on ref counting. */
-               g_object_unref (document);
-       } else {
-               char *error_message;
-
-               error_message = g_strdup_printf (_("Unhandled MIME type: '%s'"),
-                                                mime_type?mime_type:"<Unknown MIME Type>");
-               unable_to_load (ev_window, error_message);
-               g_free (error_message);
-       }
-
-       g_free (mime_type);
+       ev_statusbar_push (EV_STATUSBAR (ev_window->priv->statusbar),
+                          EV_CONTEXT_PROGRESS,
+                          _("Loading document. Please wait"));
+        ev_statusbar_set_progress  (EV_STATUSBAR (ev_window->priv->statusbar), 
+                                   TRUE);
 }
 
-static void
-ev_window_open_uri_list (EvWindow *ev_window, GList *uri_list)
+void
+ev_window_open_uri_list (EvWindow *ev_window, GSList *uri_list)
 {
-       GList *list;
-       gchar *uri;
+       GSList *list;
+       gchar  *uri;
        
        g_return_if_fail (uri_list != NULL);
        
        list = uri_list;
        while (list) {
-               uri = gnome_vfs_uri_to_string (list->data, GNOME_VFS_URI_HIDE_NONE);
+
+               uri = (gchar *)list->data;
                
-               if (ev_document_type_lookup (uri, NULL) != G_TYPE_INVALID) {
                        if (ev_window_is_empty (EV_WINDOW (ev_window))) {
-                               ev_window_open (ev_window, uri);
-                               
+                               ev_window_open_uri (ev_window, uri);
+
                                gtk_widget_show (GTK_WIDGET (ev_window));
                        } else {
                                EvWindow *new_window;
-                               
+
                                new_window = ev_application_new_window (EV_APP);
-                               ev_window_open (new_window, uri);
-                               
+                               ev_window_open_uri (new_window, uri);
+
                                gtk_widget_show (GTK_WIDGET (new_window));
                        }
-               }
 
                g_free (uri);
 
-               list = g_list_next (list);
+               list = g_slist_next (list);
        }
 }
 
@@ -889,7 +928,7 @@ ev_window_cmd_recent_file_activate (EggRecentViewGtk *view, EggRecentItem *item,
 
        window = GTK_WIDGET (ev_application_get_empty_window (EV_APP));
        gtk_widget_show (window);
-       ev_window_open (EV_WINDOW (window), uri);
+       ev_window_open_uri (EV_WINDOW (window), uri);
        
        g_free (uri);
 }
@@ -1092,7 +1131,7 @@ ev_window_print (EvWindow *window)
        EvPageCache *page_cache;
        int last_page;
 
-       page_cache = ev_document_get_page_cache (window->priv->document);
+       page_cache = ev_page_cache_get (window->priv->document);
        last_page = ev_page_cache_get_n_pages (page_cache);
 
        ev_window_print_range (window, 1, -1);
@@ -1111,7 +1150,7 @@ ev_window_print_range (EvWindow *ev_window, int first_page, int last_page)
         g_return_if_fail (EV_IS_WINDOW (ev_window));
        g_return_if_fail (ev_window->priv->document != NULL);
 
-       page_cache = ev_document_get_page_cache (ev_window->priv->document);
+       page_cache = ev_page_cache_get (ev_window->priv->document);
        if (last_page == -1) {
                last_page = ev_page_cache_get_n_pages (page_cache);
        }
@@ -1641,12 +1680,12 @@ ev_window_state_event (GtkWidget *widget, GdkEventWindowState *event)
        EvWindow *window = EV_WINDOW (widget);
 
        if (event->changed_mask & GDK_WINDOW_STATE_MAXIMIZED) {
-               gboolean show;
+               gboolean maximized;
 
-               show = (event->new_window_state & GDK_WINDOW_STATE_MAXIMIZED) == 0;
+               maximized = (event->new_window_state & GDK_WINDOW_STATE_MAXIMIZED) == 0;
 
-               gtk_statusbar_set_has_resize_grip (GTK_STATUSBAR (window->priv->statusbar),
-                                                  show);
+               ev_statusbar_set_maximized (EV_STATUSBAR (window->priv->statusbar),
+                                           maximized);
        }
 
        return FALSE;
@@ -1828,7 +1867,7 @@ ev_window_cmd_view_reload (GtkAction *action, EvWindow *ev_window)
        page = ev_page_cache_get_current_page (ev_window->priv->page_cache);
        uri = g_strdup (ev_window->priv->uri);
 
-       ev_window_open (ev_window, uri);
+       ev_window_open_uri (ev_window, uri);
 
        /* In case the number of pages in the document has changed. */
        page = CLAMP (page, 0, ev_page_cache_get_n_pages (ev_window->priv->page_cache));
@@ -2130,8 +2169,8 @@ menu_item_select_cb (GtkMenuItem *proxy, EvWindow *ev_window)
 
        g_object_get (G_OBJECT (action), "tooltip", &message, NULL);
        if (message) {
-               gtk_statusbar_push (GTK_STATUSBAR (ev_window->priv->statusbar),
-                                   ev_window->priv->help_message_cid, message);
+               ev_statusbar_push (EV_STATUSBAR (ev_window->priv->statusbar),
+                                  EV_CONTEXT_VIEW, message);
                g_free (message);
        }
 }
@@ -2139,8 +2178,8 @@ menu_item_select_cb (GtkMenuItem *proxy, EvWindow *ev_window)
 static void
 menu_item_deselect_cb (GtkMenuItem *proxy, EvWindow *ev_window)
 {
-       gtk_statusbar_pop (GTK_STATUSBAR (ev_window->priv->statusbar),
-                          ev_window->priv->help_message_cid);
+       ev_statusbar_pop (EV_STATUSBAR (ev_window->priv->statusbar),
+                         EV_CONTEXT_VIEW);
 }
 
 static void
@@ -2175,13 +2214,13 @@ view_status_changed_cb (EvView     *view,
 {
        const char *message;
 
-       gtk_statusbar_pop (GTK_STATUSBAR (ev_window->priv->statusbar),
-                          ev_window->priv->view_message_cid);
+       ev_statusbar_pop (EV_STATUSBAR (ev_window->priv->statusbar),
+                         EV_CONTEXT_HELP);
 
        message = ev_view_get_status (view);
        if (message) {
-               gtk_statusbar_push (GTK_STATUSBAR (ev_window->priv->statusbar),
-                                   ev_window->priv->view_message_cid, message);
+               ev_statusbar_push (EV_STATUSBAR (ev_window->priv->statusbar),
+                                  EV_CONTEXT_HELP, message);
        }
 }
 
@@ -2328,6 +2367,10 @@ ev_window_dispose (GObject *object)
                priv->page_view = NULL;
        }
 
+       if (priv->load_job || priv->xfer_job) {
+               ev_window_clear_jobs (window);
+       }
+
        if (priv->password_document) {
                g_object_unref (priv->password_document);
                priv->password_document = NULL;
@@ -2338,6 +2381,10 @@ ev_window_dispose (GObject *object)
                priv->password_uri = NULL;
        }
 
+       if (priv->password_dialog) {
+               gtk_widget_destroy (priv->password_dialog);
+       }
+
        if (priv->find_bar) {
                g_signal_handlers_disconnect_by_func
                        (window->priv->find_bar,
@@ -2523,14 +2570,25 @@ drag_data_received_cb (GtkWidget *widget, GdkDragContext *context,
                       gint x, gint y, GtkSelectionData *selection_data,
                       guint info, guint time, gpointer gdata)
 {
-       GList    *uri_list = NULL;
+       GList  *uri_list = NULL;
+       GSList *uris = NULL;
+       gchar  *uri;
 
        uri_list = gnome_vfs_uri_list_parse ((gchar *) selection_data->data);
 
        if (uri_list) {
-               ev_window_open_uri_list (EV_WINDOW (widget), uri_list);
-               
+               while (uri_list) {
+                       uri = gnome_vfs_uri_to_string (uri_list->data, GNOME_VFS_URI_HIDE_NONE);
+                       uris = g_slist_append (uris, (gpointer) uri);
+                       
+                       uri_list = g_list_next (uri_list);
+               }
+
                gnome_vfs_uri_list_free (uri_list);
+               
+               ev_window_open_uri_list (EV_WINDOW (widget), uris);
+               
+               g_slist_free (uris);
 
                gtk_drag_finish (context, TRUE, FALSE, time);
        }
@@ -2942,15 +3000,11 @@ ev_window_init (EvWindow *ev_window)
                          G_CALLBACK (ev_window_zoom_changed_cb),
                          ev_window);
 
-       ev_window->priv->statusbar = gtk_statusbar_new ();
+       ev_window->priv->statusbar = ev_statusbar_new ();
        gtk_box_pack_end (GTK_BOX (ev_window->priv->main_box),
                          ev_window->priv->statusbar,
                          FALSE, TRUE, 0);
-       ev_window->priv->help_message_cid = gtk_statusbar_get_context_id
-               (GTK_STATUSBAR (ev_window->priv->statusbar), "help_message");
-       ev_window->priv->view_message_cid = gtk_statusbar_get_context_id
-               (GTK_STATUSBAR (ev_window->priv->statusbar), "view_message");
-
+    
        ev_window->priv->find_bar = egg_find_bar_new ();
        gtk_box_pack_end (GTK_BOX (ev_window->priv->main_box),
                          ev_window->priv->find_bar,
@@ -3009,3 +3063,4 @@ ev_window_init (EvWindow *ev_window)
         ev_window_sizing_mode_changed_cb (EV_VIEW (ev_window->priv->view), NULL, ev_window);
        update_action_sensitivity (ev_window);
 }
+