]> www.fi.muni.cz Git - evince.git/blobdiff - shell/ev-sidebar-thumbnails.c
Fix mime type handling.
[evince.git] / shell / ev-sidebar-thumbnails.c
index aa83dee4a4dc370d123a246ff95133df37ae1ce5..cc4fbfcae80cfaf5f320f25944ed9a3908a37428 100644 (file)
 #endif
 
 #include <string.h>
-#include <gtk/gtk.h>
+
 #include <glib/gi18n.h>
+#include <gtk/gtk.h>
 
+#include "ev-document-misc.h"
+#include "ev-document-thumbnails.h"
+#include "ev-job-scheduler.h"
 #include "ev-sidebar-page.h"
 #include "ev-sidebar-thumbnails.h"
-#include "ev-document-thumbnails.h"
-#include "ev-document-misc.h"
-#include "ev-job-queue.h"
-#include "ev-window.h"
 #include "ev-utils.h"
+#include "ev-window.h"
 
 #define THUMBNAIL_WIDTH 100
 
@@ -51,7 +52,7 @@ struct _EvSidebarThumbnailsPrivate {
        GtkWidget *tree_view;
        GtkAdjustment *vadjustment;
        GtkListStore *list_store;
-       GdkPixbuf *loading_icon;
+       GHashTable *loading_icons;
        EvDocument *document;
        EvPageCache *page_cache;
 
@@ -103,9 +104,9 @@ ev_sidebar_thumbnails_dispose (GObject *object)
 {
        EvSidebarThumbnails *sidebar_thumbnails = EV_SIDEBAR_THUMBNAILS (object);
        
-       if (sidebar_thumbnails->priv->loading_icon) {
-               g_object_unref (sidebar_thumbnails->priv->loading_icon);
-               sidebar_thumbnails->priv->loading_icon = NULL;
+       if (sidebar_thumbnails->priv->loading_icons) {
+               g_hash_table_destroy (sidebar_thumbnails->priv->loading_icons);
+               sidebar_thumbnails->priv->loading_icons = NULL;
        }
        
        if (sidebar_thumbnails->priv->list_store) {
@@ -182,6 +183,27 @@ ev_sidebar_thumbnails_new (void)
        return ev_sidebar_thumbnails;
 }
 
+static GdkPixbuf *
+ev_sidebar_thumbnails_get_loading_icon (EvSidebarThumbnails *sidebar_thumbnails,
+                                       gint                 width,
+                                       gint                 height)
+{
+       GdkPixbuf *icon;
+       gchar     *key;
+
+       key = g_strdup_printf ("%dx%d", width, height);
+       icon = g_hash_table_lookup (sidebar_thumbnails->priv->loading_icons, key);
+       if (!icon) {
+               icon = ev_document_misc_get_thumbnail_frame (width, height, NULL);
+               g_hash_table_insert (sidebar_thumbnails->priv->loading_icons,
+                                    key, icon);
+       } else {
+               g_free (key);
+       }
+       
+       return icon;
+}
+
 static void
 clear_range (EvSidebarThumbnails *sidebar_thumbnails,
             gint                 start_page,
@@ -191,6 +213,8 @@ clear_range (EvSidebarThumbnails *sidebar_thumbnails,
        GtkTreePath *path;
        GtkTreeIter iter;
        gboolean result;
+       gint prev_width = -1;
+       gint prev_height = -1;
 
        g_assert (start_page <= end_page);
 
@@ -199,6 +223,8 @@ clear_range (EvSidebarThumbnails *sidebar_thumbnails,
             result && start_page <= end_page;
             result = gtk_tree_model_iter_next (GTK_TREE_MODEL (priv->list_store), &iter), start_page ++) {
                EvJobThumbnail *job;
+               GdkPixbuf *loading_icon = NULL;
+               gint width, height;
 
                gtk_tree_model_get (GTK_TREE_MODEL (priv->list_store),
                                    &iter,
@@ -207,19 +233,45 @@ clear_range (EvSidebarThumbnails *sidebar_thumbnails,
 
                if (job) {
                        g_signal_handlers_disconnect_by_func (job, thumbnail_job_completed_callback, sidebar_thumbnails);
-                       ev_job_queue_remove_job (EV_JOB (job));
+                       ev_job_cancel (EV_JOB (job));
                        g_object_unref (job);
                }
 
+               ev_page_cache_get_thumbnail_size (priv->page_cache, start_page,
+                                                 priv->rotation,
+                                                 &width, &height);
+               if (!loading_icon || (width != prev_width && height != prev_height)) {
+                       loading_icon =
+                               ev_sidebar_thumbnails_get_loading_icon (sidebar_thumbnails,
+                                                                       width, height);
+               }
+
+               prev_width = width;
+               prev_height = height;
+
                gtk_list_store_set (priv->list_store, &iter,
                                    COLUMN_JOB, NULL,
                                    COLUMN_THUMBNAIL_SET, FALSE,
-                                   COLUMN_PIXBUF, priv->loading_icon,
+                                   COLUMN_PIXBUF, loading_icon,
                                    -1);
        }
        gtk_tree_path_free (path);
 }
 
+static gdouble
+get_scale_for_page (EvSidebarThumbnails *sidebar_thumbnails,
+                   gint                 page)
+{
+       EvSidebarThumbnailsPrivate *priv = sidebar_thumbnails->priv;
+       gint width, height;
+
+       ev_page_cache_get_size (priv->page_cache,
+                               page, 0,
+                               1.0, &width, &height);
+       
+       return (gdouble)THUMBNAIL_WIDTH / (gdouble)width;
+}
+
 static void
 add_range (EvSidebarThumbnails *sidebar_thumbnails,
           gint                 start_page,
@@ -237,7 +289,7 @@ add_range (EvSidebarThumbnails *sidebar_thumbnails,
        for (result = gtk_tree_model_get_iter (GTK_TREE_MODEL (priv->list_store), &iter, path);
             result && page <= end_page;
             result = gtk_tree_model_iter_next (GTK_TREE_MODEL (priv->list_store), &iter), page ++) {
-               EvJobThumbnail *job;
+               EvJob *job;
                gboolean thumbnail_set;
 
                gtk_tree_model_get (GTK_TREE_MODEL (priv->list_store), &iter,
@@ -246,9 +298,11 @@ add_range (EvSidebarThumbnails *sidebar_thumbnails,
                                    -1);
 
                if (job == NULL && !thumbnail_set) {
-                       /* FIXME: Need rotation */
-                       job = (EvJobThumbnail *)ev_job_thumbnail_new (priv->document, page, priv->rotation, THUMBNAIL_WIDTH);
-                       ev_job_queue_add_job (EV_JOB (job), EV_JOB_PRIORITY_HIGH);
+                       job = ev_job_thumbnail_new (priv->document,
+                                                   page, priv->rotation,
+                                                   get_scale_for_page (sidebar_thumbnails, page));
+                       ev_job_scheduler_push_job (EV_JOB (job), EV_JOB_PRIORITY_HIGH);
+                       
                        g_object_set_data_full (G_OBJECT (job), "tree_iter",
                                                gtk_tree_iter_copy (&iter),
                                                (GDestroyNotify) gtk_tree_iter_free);
@@ -258,6 +312,7 @@ add_range (EvSidebarThumbnails *sidebar_thumbnails,
                        gtk_list_store_set (priv->list_store, &iter,
                                            COLUMN_JOB, job,
                                            -1);
+                       
                        /* The queue and the list own a ref to the job now */
                        g_object_unref (job);
                } else if (job) {
@@ -284,10 +339,10 @@ update_visible_range (EvSidebarThumbnails *sidebar_thumbnails,
                return;
 
        /* Clear the areas we no longer display */
-       if (old_start_page < start_page)
+       if (old_start_page >= 0 && old_start_page < start_page)
                clear_range (sidebar_thumbnails, old_start_page, MIN (start_page - 1, old_end_page));
-
-       if (old_end_page > end_page)
+       
+       if (old_end_page > 0 && old_end_page > end_page)
                clear_range (sidebar_thumbnails, MAX (end_page + 1, old_start_page), old_end_page);
 
        add_range (sidebar_thumbnails, start_page, end_page);
@@ -308,17 +363,20 @@ adjustment_changed_cb (EvSidebarThumbnails *sidebar_thumbnails)
        /* Widget is not currently visible */
        if (!GTK_WIDGET_MAPPED (sidebar_thumbnails))
                return;
+
+       if (priv->vadjustment->page_size == 0)
+               return;
        
        if (priv->tree_view) {
                if (! GTK_WIDGET_REALIZED (priv->tree_view))
                        return;
 
-               gtk_tree_view_tree_to_widget_coords (GTK_TREE_VIEW (priv->tree_view),
-                                                    0, (int) priv->vadjustment->value,
-                                                    NULL, &wy1);
-               gtk_tree_view_tree_to_widget_coords (GTK_TREE_VIEW (priv->tree_view),
-                                                    0, (int) (priv->vadjustment->value + priv->vadjustment->page_size),
-                                                    NULL, &wy2);
+               gtk_tree_view_convert_tree_to_bin_window_coords (GTK_TREE_VIEW (priv->tree_view),
+                                                                0, (int) priv->vadjustment->value,
+                                                                NULL, &wy1);
+               gtk_tree_view_convert_tree_to_bin_window_coords (GTK_TREE_VIEW (priv->tree_view),
+                                                                0, (int) (priv->vadjustment->value + priv->vadjustment->page_size),
+                                                                NULL, &wy2);
                gtk_tree_view_get_path_at_pos (GTK_TREE_VIEW (priv->tree_view),
                                               1, wy1 + 1, &path,
                                               NULL, NULL, NULL);
@@ -334,14 +392,11 @@ adjustment_changed_cb (EvSidebarThumbnails *sidebar_thumbnails)
                return;
        }
 
-       if (path == NULL)
-               path = gtk_tree_path_new_first ();
-       if (path2 == NULL)
-               path2 = gtk_tree_path_new_from_indices (priv->n_pages,
-                                                       -1);
-       update_visible_range (sidebar_thumbnails,
-                             gtk_tree_path_get_indices (path)[0],
-                             gtk_tree_path_get_indices (path2)[0]);
+       if (path && path2) {
+               update_visible_range (sidebar_thumbnails,
+                                     gtk_tree_path_get_indices (path)[0],
+                                     gtk_tree_path_get_indices (path2)[0]);
+       }
 
        gtk_tree_path_free (path);
        gtk_tree_path_free (path2);
@@ -353,18 +408,33 @@ ev_sidebar_thumbnails_fill_model (EvSidebarThumbnails *sidebar_thumbnails)
        EvSidebarThumbnailsPrivate *priv = sidebar_thumbnails->priv;
        GtkTreeIter iter;
        int i;
+       gint prev_width = -1;
+       gint prev_height = -1;
 
        for (i = 0; i < sidebar_thumbnails->priv->n_pages; i++) {
-               gchar *page_label;
-               gchar *page_string;
+               gchar     *page_label;
+               gchar     *page_string;
+               GdkPixbuf *loading_icon = NULL;
+               gint       width, height;
 
                page_label = ev_page_cache_get_page_label (priv->page_cache, i);
                page_string = g_markup_printf_escaped ("<i>%s</i>", page_label);
+               ev_page_cache_get_thumbnail_size (sidebar_thumbnails->priv->page_cache, i,
+                                                 sidebar_thumbnails->priv->rotation,
+                                                 &width, &height);
+               if (!loading_icon || (width != prev_width && height != prev_height)) {
+                       loading_icon =
+                               ev_sidebar_thumbnails_get_loading_icon (sidebar_thumbnails,
+                                                                       width, height);
+               }
 
+               prev_width = width;
+               prev_height = height;
+               
                gtk_list_store_append (priv->list_store, &iter);
                gtk_list_store_set (priv->list_store, &iter,
                                    COLUMN_PAGE_STRING, page_string,
-                                   COLUMN_PIXBUF, priv->loading_icon,
+                                   COLUMN_PIXBUF, loading_icon,
                                    COLUMN_THUMBNAIL_SET, FALSE,
                                    -1);
                g_free (page_label);
@@ -372,29 +442,11 @@ ev_sidebar_thumbnails_fill_model (EvSidebarThumbnails *sidebar_thumbnails)
        }
 }
 
-
-static void
-ev_sidebar_thumbnails_set_loading_icon (EvSidebarThumbnails *sidebar_thumbnails)
+static gboolean
+refresh (EvSidebarThumbnails *sidebar_thumbnails)
 {
-       gint width = THUMBNAIL_WIDTH;
-       gint height = THUMBNAIL_WIDTH;
-
-       if (sidebar_thumbnails->priv->loading_icon)
-               g_object_unref (sidebar_thumbnails->priv->loading_icon);
-
-       if (sidebar_thumbnails->priv->document) {
-               /* We get the dimensions of the first doc so that we can make a blank
-                * icon.  */
-               ev_document_doc_mutex_lock ();
-               ev_document_thumbnails_get_dimensions (EV_DOCUMENT_THUMBNAILS (sidebar_thumbnails->priv->document),
-                                                      0, THUMBNAIL_WIDTH, &width, &height);
-               ev_document_doc_mutex_unlock ();
-               sidebar_thumbnails->priv->loading_icon =
-                       ev_document_misc_get_thumbnail_frame (width, height, sidebar_thumbnails->priv->rotation, NULL);
-       } else {
-               sidebar_thumbnails->priv->loading_icon = NULL;
-       }
-
+       adjustment_changed_cb (sidebar_thumbnails);
+       return FALSE;
 }
 
 void
@@ -402,18 +454,20 @@ ev_sidebar_thumbnails_refresh (EvSidebarThumbnails *sidebar_thumbnails,
                               int                  rotation)
 {
        sidebar_thumbnails->priv->rotation = rotation;
-       ev_sidebar_thumbnails_set_loading_icon (sidebar_thumbnails);
+       if (sidebar_thumbnails->priv->loading_icons)
+               g_hash_table_remove_all (sidebar_thumbnails->priv->loading_icons);
 
-       if (sidebar_thumbnails->priv->document == NULL)
+       if (sidebar_thumbnails->priv->document == NULL ||
+           sidebar_thumbnails->priv->n_pages <= 0)
                return;
 
        ev_sidebar_thumbnails_clear_model (sidebar_thumbnails);
        ev_sidebar_thumbnails_fill_model (sidebar_thumbnails);
 
        /* Trigger a redraw */
-       sidebar_thumbnails->priv->start_page = 0;
-       sidebar_thumbnails->priv->end_page = 0;
-       adjustment_changed_cb (sidebar_thumbnails);
+       sidebar_thumbnails->priv->start_page = -1;
+       sidebar_thumbnails->priv->end_page = -1;
+       g_idle_add ((GSourceFunc)refresh, sidebar_thumbnails);
 }
 
 static void
@@ -530,8 +584,12 @@ ev_sidebar_thumbnails_init (EvSidebarThumbnails *ev_sidebar_thumbnails)
                                               EV_TYPE_JOB_THUMBNAIL);
 
        priv->swindow = gtk_scrolled_window_new (NULL, NULL);
+       
+       /* We actually don't want GTK_POLICY_AUTOMATIC for horizontal scrollbar here
+        * it's just a workaround for bug #449462
+        */
        gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (priv->swindow),
-                                       GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC);
+                                       GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
        gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (priv->swindow),
                                             GTK_SHADOW_IN);
        priv->vadjustment = gtk_scrolled_window_get_vadjustment (GTK_SCROLLED_WINDOW (priv->swindow));
@@ -609,8 +667,10 @@ ev_sidebar_thumbnails_set_document (EvSidebarPage  *sidebar_page,
        priv->page_cache = ev_page_cache_get (document);
        priv->document = document;
        priv->n_pages = ev_page_cache_get_n_pages (priv->page_cache);
-
-       ev_sidebar_thumbnails_set_loading_icon (sidebar_thumbnails);
+       priv->loading_icons = g_hash_table_new_full (g_str_hash,
+                                                    g_str_equal,
+                                                    (GDestroyNotify)g_free,
+                                                    (GDestroyNotify)g_object_unref);
 
        ev_sidebar_thumbnails_clear_model (sidebar_thumbnails);
        ev_sidebar_thumbnails_fill_model (sidebar_thumbnails);
@@ -642,51 +702,53 @@ ev_sidebar_thumbnails_set_document (EvSidebarPage *sidebar_page,
 
        /* Connect to the signal and trigger a fake callback */
        g_signal_connect (priv->page_cache, "page-changed", G_CALLBACK (page_changed_cb), sidebar_thumbnails);
-       sidebar_thumbnails->priv->start_page = 0;
-       sidebar_thumbnails->priv->end_page = 0;
+       sidebar_thumbnails->priv->start_page = -1;
+       sidebar_thumbnails->priv->end_page = -1;
+       page_changed_cb (priv->page_cache,
+                        ev_page_cache_get_current_page (priv->page_cache),
+                        sidebar_thumbnails);
        adjustment_changed_cb (sidebar_thumbnails);
 }
 
 static gboolean
 ev_sidebar_thumbnails_clear_job (GtkTreeModel *model,                                             
-                                GtkTreePath *path,                                                                                      
-                                GtkTreeIter *iter,                                                                                                                                   
+                                GtkTreePath *path,
+                                GtkTreeIter *iter,
                                 gpointer data)
 {
-    EvJob *job;
-    
-    gtk_tree_model_get (model, iter, COLUMN_JOB, &job, -1);
-    
-    if (job != NULL) {
-        ev_job_queue_remove_job (job);
-       g_signal_handlers_disconnect_by_func (job, thumbnail_job_completed_callback, data);
-       g_object_unref (job);
-    }
-
-    return FALSE;    
+       EvJob *job;
+       
+       gtk_tree_model_get (model, iter, COLUMN_JOB, &job, -1);
+       
+       if (job != NULL) {
+               ev_job_cancel (job);
+               g_signal_handlers_disconnect_by_func (job, thumbnail_job_completed_callback, data);
+               g_object_unref (job);
+       }
+       
+       return FALSE;    
 }
 
 static void 
 ev_sidebar_thumbnails_clear_model (EvSidebarThumbnails *sidebar_thumbnails)
 {
-    EvSidebarThumbnailsPrivate *priv = sidebar_thumbnails->priv;
-    
-    gtk_tree_model_foreach (GTK_TREE_MODEL (priv->list_store), ev_sidebar_thumbnails_clear_job, sidebar_thumbnails);
-    gtk_list_store_clear (priv->list_store);
+       EvSidebarThumbnailsPrivate *priv = sidebar_thumbnails->priv;
+       
+       gtk_tree_model_foreach (GTK_TREE_MODEL (priv->list_store), ev_sidebar_thumbnails_clear_job, sidebar_thumbnails);
+       gtk_list_store_clear (priv->list_store);
 }
 
 static gboolean
 ev_sidebar_thumbnails_support_document (EvSidebarPage   *sidebar_page,
                                        EvDocument *document)
 {
-       return (EV_IS_DOCUMENT_THUMBNAILS (document) &&
-                   (ev_document_get_n_pages (document) > 1));
+       return (EV_IS_DOCUMENT_THUMBNAILS (document));
 }
 
 static const gchar*
 ev_sidebar_thumbnails_get_label (EvSidebarPage *sidebar_page)
 {
-    return _("Thumbnails");
+       return _("Thumbnails");
 }
 
 static void