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evince/shell/ev-application.c
Pablo Correa Gómez 84a2648215
shell: simplify freeing memory by better exploiting glib functions 
Mostly g_clear_object and g_clear_pointer. But also some small
simplifications depending on the context.
2023-03-24 09:58:48 +01:00

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/* this file is part of evince, a gnome document viewer
*
* Copyright (C) 2004 Martin Kretzschmar
* Copyright © 2010, 2012 Christian Persch
*
* Author:
* Martin Kretzschmar <martink@gnome.org>
*
* Evince 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.
*
* Evince 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 <config.h>
#include <stdlib.h>
#include <string.h>
#include <glib.h>
#include <glib/gi18n.h>
#include <glib/gstdio.h>
#include <gtk/gtk.h>
#include <handy.h>
#ifdef GDK_WINDOWING_X11
#include <gdk/gdkx.h>
#endif
#include <unistd.h>
#include "ev-application.h"
#include "ev-file-helpers.h"
#include "ev-stock-icons.h"
#ifdef ENABLE_DBUS
#include "ev-gdbus-generated.h"
#include "ev-media-player-keys.h"
#endif /* ENABLE_DBUS */
struct _EvApplication {
GtkApplication base_instance;
gchar *uri;
gchar *dot_dir;
#ifdef ENABLE_DBUS
EvEvinceApplication *skeleton;
EvMediaPlayerKeys *keys;
gboolean doc_registered;
#endif
};
struct _EvApplicationClass {
GtkApplicationClass base_class;
};
G_DEFINE_TYPE (EvApplication, ev_application, GTK_TYPE_APPLICATION)
#define APPLICATION_NAME "org.gnome.Evince"
#ifdef ENABLE_DBUS
#define APPLICATION_DBUS_OBJECT_PATH "/org/gnome/evince/Evince"
#define APPLICATION_DBUS_INTERFACE "org.gnome.evince.Application"
#define EVINCE_DAEMON_SERVICE "org.gnome.evince.Daemon"
#define EVINCE_DAEMON_OBJECT_PATH "/org/gnome/evince/Daemon"
#define EVINCE_DAEMON_INTERFACE "org.gnome.evince.Daemon"
#endif
static void _ev_application_open_uri_at_dest (EvApplication *application,
const gchar *uri,
GdkScreen *screen,
EvLinkDest *dest,
EvWindowRunMode mode,
const gchar *search_string,
guint timestamp);
static void ev_application_open_uri_in_window (EvApplication *application,
const char *uri,
EvWindow *ev_window,
GdkScreen *screen,
EvLinkDest *dest,
EvWindowRunMode mode,
const gchar *search_string,
guint timestamp);
/**
* ev_application_new:
*
* Creates a new #EvApplication instance.
*
* Returns: (transfer full): a newly created #EvApplication
*/
EvApplication *
ev_application_new (void)
{
const GApplicationFlags flags = G_APPLICATION_NON_UNIQUE;
return g_object_new (EV_TYPE_APPLICATION,
"application-id", APPLICATION_NAME,
"flags", flags,
NULL);
}
#ifdef ENABLE_DBUS
/**
* ev_display_open_if_needed:
* @name: the name of the display to be open if it's needed.
*
* Search among all the open displays if any of them have the same name as the
* passed name. If the display isn't found it tries the open it.
*
* Returns: a #GdkDisplay of the display with the passed name.
*/
static GdkDisplay *
ev_display_open_if_needed (const gchar *name)
{
GSList *displays;
GSList *l;
GdkDisplay *display = NULL;
displays = gdk_display_manager_list_displays (gdk_display_manager_get ());
for (l = displays; l != NULL; l = l->next) {
const gchar *display_name = gdk_display_get_name ((GdkDisplay *) l->data);
/* The given name might come with the screen number, because GdkAppLaunchContext
* uses gdk_screen_make_display_name().
*/
if (g_str_has_prefix (name, display_name)) {
display = l->data;
break;
}
}
g_slist_free (displays);
return display != NULL ? display : gdk_display_open (name);
}
#endif
static void
ev_spawn (const char *uri,
GdkScreen *screen,
EvLinkDest *dest,
EvWindowRunMode mode,
const gchar *search_string,
guint timestamp)
{
GString *cmd;
gchar *path, *cmdline;
GAppInfo *app;
GError *error = NULL;
cmd = g_string_new (NULL);
#ifdef G_OS_WIN32
{
gchar *dir;
dir = g_win32_get_package_installation_directory_of_module (NULL);
path = g_build_filename (dir, "bin", "evince", NULL);
g_free (dir);
}
#else
path = g_build_filename (BINDIR, "evince", NULL);
#endif
g_string_append_printf (cmd, " %s", path);
g_free (path);
/* Page label */
if (dest) {
switch (ev_link_dest_get_dest_type (dest)) {
case EV_LINK_DEST_TYPE_PAGE_LABEL:
g_string_append_printf (cmd, " --page-label=%s",
ev_link_dest_get_page_label (dest));
break;
case EV_LINK_DEST_TYPE_PAGE:
case EV_LINK_DEST_TYPE_XYZ:
case EV_LINK_DEST_TYPE_FIT:
case EV_LINK_DEST_TYPE_FITH:
case EV_LINK_DEST_TYPE_FITV:
case EV_LINK_DEST_TYPE_FITR:
g_string_append_printf (cmd, " --page-index=%d",
ev_link_dest_get_page (dest) + 1);
break;
case EV_LINK_DEST_TYPE_NAMED:
g_string_append_printf (cmd, " --named-dest=%s",
ev_link_dest_get_named_dest (dest));
break;
default:
break;
}
}
/* Find string */
if (search_string) {
g_string_append_printf (cmd, " --find=%s", search_string);
}
/* Mode */
switch (mode) {
case EV_WINDOW_MODE_FULLSCREEN:
g_string_append (cmd, " -f");
break;
case EV_WINDOW_MODE_PRESENTATION:
g_string_append (cmd, " -s");
break;
default:
break;
}
cmdline = g_string_free (cmd, FALSE);
app = g_app_info_create_from_commandline (cmdline, NULL, G_APP_INFO_CREATE_SUPPORTS_URIS, &error);
if (app != NULL) {
GList uri_list;
GList *uris = NULL;
GdkAppLaunchContext *ctx;
ctx = gdk_display_get_app_launch_context (gdk_screen_get_display (screen));
gdk_app_launch_context_set_screen (ctx, screen);
gdk_app_launch_context_set_timestamp (ctx, timestamp);
/* Some URIs can be changed when passed through a GFile
* (for instance unsupported uris with strange formats like mailto:),
* so if you have a textual uri you want to pass in as argument,
* consider using g_app_info_launch_uris() instead.
* See https://bugzilla.gnome.org/show_bug.cgi?id=644604
*/
if (uri) {
uri_list.data = (gchar *)uri;
uri_list.prev = uri_list.next = NULL;
uris = &uri_list;
}
g_app_info_launch_uris (app, uris, G_APP_LAUNCH_CONTEXT (ctx), &error);
g_object_unref (app);
g_object_unref (ctx);
}
if (error != NULL) {
g_printerr ("Error launching evince %s: %s\n", uri, error->message);
g_error_free (error);
}
g_free (cmdline);
}
static EvWindow *
ev_application_get_empty_window (EvApplication *application,
GdkScreen *screen)
{
EvWindow *empty_window = NULL;
GList *windows, *l;
windows = gtk_application_get_windows (GTK_APPLICATION (application));
for (l = windows; l != NULL; l = l->next) {
EvWindow *window;
if (!EV_IS_WINDOW (l->data))
continue;
window = EV_WINDOW (l->data);
if (ev_window_is_empty (window) &&
gtk_window_get_screen (GTK_WINDOW (window)) == screen) {
empty_window = window;
break;
}
}
return empty_window;
}
#ifdef ENABLE_DBUS
typedef struct {
gchar *uri;
GdkScreen *screen;
EvLinkDest *dest;
EvWindowRunMode mode;
gchar *search_string;
guint timestamp;
} EvRegisterDocData;
static void
ev_register_doc_data_free (EvRegisterDocData *data)
{
if (!data)
return;
g_free (data->uri);
if (data->search_string)
g_free (data->search_string);
if (data->dest)
g_object_unref (data->dest);
g_free (data);
}
static void
on_reload_cb (GObject *source_object,
GAsyncResult *res,
gpointer user_data)
{
GDBusConnection *connection = G_DBUS_CONNECTION (source_object);
GVariant *value;
GError *error = NULL;
g_application_release (g_application_get_default ());
value = g_dbus_connection_call_finish (connection, res, &error);
if (value != NULL) {
g_variant_unref (value);
} else {
g_printerr ("Failed to Reload: %s\n", error->message);
g_error_free (error);
}
/* We did not open a window, so manually clear the startup
* notification. */
gdk_notify_startup_complete ();
}
static void
on_register_uri_cb (GObject *source_object,
GAsyncResult *res,
gpointer user_data)
{
GDBusConnection *connection = G_DBUS_CONNECTION (source_object);
EvRegisterDocData *data = (EvRegisterDocData *)user_data;
EvApplication *application = EV_APP;
GVariant *value;
const gchar *owner;
GVariantBuilder builder;
GError *error = NULL;
g_application_release (G_APPLICATION (application));
value = g_dbus_connection_call_finish (connection, res, &error);
if (!value) {
g_printerr ("Error registering document: %s\n", error->message);
g_error_free (error);
_ev_application_open_uri_at_dest (application,
data->uri,
data->screen,
data->dest,
data->mode,
data->search_string,
data->timestamp);
ev_register_doc_data_free (data);
return;
}
g_variant_get (value, "(&s)", &owner);
/* This means that the document wasn't already registered; go
* ahead with opening it.
*/
if (owner[0] == '\0') {
g_variant_unref (value);
application->doc_registered = TRUE;
_ev_application_open_uri_at_dest (application,
data->uri,
data->screen,
data->dest,
data->mode,
data->search_string,
data->timestamp);
ev_register_doc_data_free (data);
return;
}
/* Already registered */
g_variant_builder_init (&builder, G_VARIANT_TYPE ("(a{sv}u)"));
g_variant_builder_open (&builder, G_VARIANT_TYPE ("a{sv}"));
g_variant_builder_add (&builder, "{sv}",
"display",
g_variant_new_string (gdk_display_get_name (gdk_screen_get_display (data->screen))));
if (data->dest) {
switch (ev_link_dest_get_dest_type (data->dest)) {
case EV_LINK_DEST_TYPE_PAGE_LABEL:
g_variant_builder_add (&builder, "{sv}", "page-label",
g_variant_new_string (ev_link_dest_get_page_label (data->dest)));
break;
case EV_LINK_DEST_TYPE_PAGE:
g_variant_builder_add (&builder, "{sv}", "page-index",
g_variant_new_uint32 (ev_link_dest_get_page (data->dest)));
break;
case EV_LINK_DEST_TYPE_NAMED:
g_variant_builder_add (&builder, "{sv}", "named-dest",
g_variant_new_string (ev_link_dest_get_named_dest (data->dest)));
break;
default:
break;
}
}
if (data->search_string) {
g_variant_builder_add (&builder, "{sv}",
"find-string",
g_variant_new_string (data->search_string));
}
if (data->mode != EV_WINDOW_MODE_NORMAL) {
g_variant_builder_add (&builder, "{sv}",
"mode",
g_variant_new_uint32 (data->mode));
}
g_variant_builder_close (&builder);
g_variant_builder_add (&builder, "u", data->timestamp);
g_dbus_connection_call (connection,
owner,
APPLICATION_DBUS_OBJECT_PATH,
APPLICATION_DBUS_INTERFACE,
"Reload",
g_variant_builder_end (&builder),
NULL,
G_DBUS_CALL_FLAGS_NONE,
-1,
NULL,
on_reload_cb,
NULL);
g_application_hold (G_APPLICATION (application));
g_variant_unref (value);
ev_register_doc_data_free (data);
}
/*
* ev_application_register_uri:
* @application: The instance of the application.
* @uri: The uri to be opened.
* @screen: The screen where the link will be shown.
* @dest: The #EvLinkDest of the document.
* @mode: The run mode of the window.
* @search_string: The word or phrase to find in the document.
* @timestamp: Current time value.
*
* Registers @uri with evince-daemon.
*
*/
static void
ev_application_register_uri (EvApplication *application,
const gchar *uri,
GdkScreen *screen,
EvLinkDest *dest,
EvWindowRunMode mode,
const gchar *search_string,
guint timestamp)
{
EvRegisterDocData *data;
/* If connection hasn't been made fall back to opening without D-BUS features */
if (!application->skeleton) {
_ev_application_open_uri_at_dest (application, uri, screen, dest, mode, search_string, timestamp);
return;
}
if (application->doc_registered) {
/* Already registered, reload */
GList *windows, *l;
windows = gtk_application_get_windows (GTK_APPLICATION (application));
for (l = windows; l != NULL; l = g_list_next (l)) {
if (!EV_IS_WINDOW (l->data))
continue;
ev_application_open_uri_in_window (application, uri,
EV_WINDOW (l->data),
screen, dest, mode,
search_string,
timestamp);
}
return;
}
data = g_new (EvRegisterDocData, 1);
data->uri = g_strdup (uri);
data->screen = screen;
data->dest = dest ? g_object_ref (dest) : NULL;
data->mode = mode;
data->search_string = search_string ? g_strdup (search_string) : NULL;
data->timestamp = timestamp;
g_dbus_connection_call (g_application_get_dbus_connection (G_APPLICATION (application)),
EVINCE_DAEMON_SERVICE,
EVINCE_DAEMON_OBJECT_PATH,
EVINCE_DAEMON_INTERFACE,
"RegisterDocument",
g_variant_new ("(s)", uri),
G_VARIANT_TYPE ("(s)"),
G_DBUS_CALL_FLAGS_NONE,
-1,
NULL,
on_register_uri_cb,
data);
g_application_hold (G_APPLICATION (application));
}
static void
ev_application_unregister_uri (EvApplication *application,
const gchar *uri)
{
GVariant *value;
GError *error = NULL;
if (!application->doc_registered)
return;
/* This is called from ev_application_shutdown(),
* so it's safe to use the sync api
*/
value = g_dbus_connection_call_sync (
g_application_get_dbus_connection (G_APPLICATION (application)),
EVINCE_DAEMON_SERVICE,
EVINCE_DAEMON_OBJECT_PATH,
EVINCE_DAEMON_INTERFACE,
"UnregisterDocument",
g_variant_new ("(s)", uri),
NULL,
G_DBUS_CALL_FLAGS_NO_AUTO_START,
-1,
NULL,
&error);
if (value == NULL) {
g_printerr ("Error unregistering document: %s\n", error->message);
g_error_free (error);
} else {
g_variant_unref (value);
application->doc_registered = FALSE;
}
}
#endif /* ENABLE_DBUS */
static void
ev_application_open_uri_in_window (EvApplication *application,
const char *uri,
EvWindow *ev_window,
GdkScreen *screen,
EvLinkDest *dest,
EvWindowRunMode mode,
const gchar *search_string,
guint timestamp)
{
#ifdef GDK_WINDOWING_X11
GdkWindow *gdk_window;
#endif
if (uri == NULL)
uri = application->uri;
if (screen) {
ev_stock_icons_set_screen (screen);
gtk_window_set_screen (GTK_WINDOW (ev_window), screen);
}
/* We need to load uri before showing the window, so
we can restore window size without flickering */
ev_window_open_uri (ev_window, uri, dest, mode, search_string);
if (!gtk_widget_get_realized (GTK_WIDGET (ev_window)))
gtk_widget_realize (GTK_WIDGET (ev_window));
#ifdef GDK_WINDOWING_X11
gdk_window = gtk_widget_get_window (GTK_WIDGET (ev_window));
if (GDK_IS_X11_WINDOW (gdk_window)) {
if (timestamp <= 0)
timestamp = gdk_x11_get_server_time (gdk_window);
gdk_x11_window_set_user_time (gdk_window, timestamp);
gtk_window_present (GTK_WINDOW (ev_window));
} else
#endif /* GDK_WINDOWING_X11 */
{
gtk_window_present_with_time (GTK_WINDOW (ev_window), timestamp);
}
}
static void
_ev_application_open_uri_at_dest (EvApplication *application,
const gchar *uri,
GdkScreen *screen,
EvLinkDest *dest,
EvWindowRunMode mode,
const gchar *search_string,
guint timestamp)
{
EvWindow *ev_window;
ev_window = ev_application_get_empty_window (application, screen);
if (!ev_window)
ev_window = EV_WINDOW (ev_window_new ());
ev_application_open_uri_in_window (application, uri, ev_window,
screen, dest, mode,
search_string,
timestamp);
}
/**
* ev_application_open_uri_at_dest:
* @application: The instance of the application.
* @uri: The uri to be opened.
* @screen: Thee screen where the link will be shown.
* @dest: The #EvLinkDest of the document.
* @mode: The run mode of the window.
* @search_string: The word or phrase to find in the document.
* @timestamp: Current time value.
*/
void
ev_application_open_uri_at_dest (EvApplication *application,
const char *uri,
GdkScreen *screen,
EvLinkDest *dest,
EvWindowRunMode mode,
const gchar *search_string,
guint timestamp)
{
g_return_if_fail (uri != NULL);
if (application->uri && strcmp (application->uri, uri) != 0) {
/* spawn a new evince process */
ev_spawn (uri, screen, dest, mode, search_string, timestamp);
return;
} else if (!application->uri) {
application->uri = g_strdup (uri);
}
#ifdef ENABLE_DBUS
/* Register the uri or send Reload to
* remote instance if already registered
*/
ev_application_register_uri (application, uri, screen, dest, mode, search_string, timestamp);
#else
_ev_application_open_uri_at_dest (application, uri, screen, dest, mode, search_string, timestamp);
#endif /* ENABLE_DBUS */
}
void
ev_application_new_window (EvApplication *application,
GdkScreen *screen,
guint32 timestamp)
{
/* spawn an empty window */
ev_spawn (NULL, screen, NULL, EV_WINDOW_MODE_NORMAL, NULL, timestamp);
}
/**
* ev_application_open_recent_view:
* @application: The instance of the application.
* @timestamp: Current time value.
*
* Creates a new window showing the recent view
*/
void
ev_application_open_recent_view (EvApplication *application,
GdkScreen *screen,
guint32 timestamp)
{
GtkWidget *new_window = ev_window_new ();
ev_window_open_recent_view (EV_WINDOW (new_window));
#ifdef GDK_WINDOWING_X11
GdkWindow *gdk_window;
#endif
if (screen) {
ev_stock_icons_set_screen (screen);
gtk_window_set_screen (GTK_WINDOW (new_window), screen);
}
if (!gtk_widget_get_realized (new_window))
gtk_widget_realize (new_window);
#ifdef GDK_WINDOWING_X11
gdk_window = gtk_widget_get_window (GTK_WIDGET (new_window));
if (GDK_IS_X11_WINDOW (gdk_window)) {
if (timestamp <= 0)
timestamp = gdk_x11_get_server_time (gdk_window);
gdk_x11_window_set_user_time (gdk_window, timestamp);
gtk_window_present (GTK_WINDOW (new_window));
} else
#endif /* GDK_WINDOWING_X11 */
{
gtk_window_present_with_time (GTK_WINDOW (new_window), timestamp);
}
}
#ifdef ENABLE_DBUS
static gboolean
handle_get_window_list_cb (EvEvinceApplication *object,
GDBusMethodInvocation *invocation,
EvApplication *application)
{
GList *windows, *l;
GPtrArray *paths;
paths = g_ptr_array_new ();
windows = gtk_application_get_windows (GTK_APPLICATION (application));
for (l = windows; l; l = g_list_next (l)) {
if (!EV_IS_WINDOW (l->data))
continue;
g_ptr_array_add (paths, (gpointer) ev_window_get_dbus_object_path (EV_WINDOW (l->data)));
}
g_ptr_array_add (paths, NULL);
ev_evince_application_complete_get_window_list (object, invocation,
(const char * const *) paths->pdata);
g_ptr_array_free (paths, TRUE);
return TRUE;
}
static gboolean
handle_reload_cb (EvEvinceApplication *object,
GDBusMethodInvocation *invocation,
GVariant *args,
guint timestamp,
EvApplication *application)
{
GList *windows, *l;
GVariantIter iter;
const gchar *key;
GVariant *value;
GdkDisplay *display = NULL;
EvLinkDest *dest = NULL;
EvWindowRunMode mode = EV_WINDOW_MODE_NORMAL;
const gchar *search_string = NULL;
GdkScreen *screen = NULL;
g_variant_iter_init (&iter, args);
while (g_variant_iter_loop (&iter, "{&sv}", &key, &value)) {
if (strcmp (key, "display") == 0 && g_variant_classify (value) == G_VARIANT_CLASS_STRING) {
display = ev_display_open_if_needed (g_variant_get_string (value, NULL));
} else if (strcmp (key, "mode") == 0 && g_variant_classify (value) == G_VARIANT_CLASS_UINT32) {
mode = g_variant_get_uint32 (value);
} else if (strcmp (key, "page-label") == 0 && g_variant_classify (value) == G_VARIANT_CLASS_STRING) {
dest = ev_link_dest_new_page_label (g_variant_get_string (value, NULL));
} else if (strcmp (key, "named-dest") == 0 && g_variant_classify (value) == G_VARIANT_CLASS_STRING) {
dest = ev_link_dest_new_named (g_variant_get_string (value, NULL));
} else if (strcmp (key, "page-index") == 0 && g_variant_classify (value) == G_VARIANT_CLASS_UINT32) {
dest = ev_link_dest_new_page (g_variant_get_uint32 (value));
} else if (strcmp (key, "find-string") == 0 && g_variant_classify (value) == G_VARIANT_CLASS_STRING) {
search_string = g_variant_get_string (value, NULL);
}
}
if (display != NULL)
screen = gdk_display_get_default_screen (display);
else
screen = gdk_screen_get_default ();
windows = gtk_application_get_windows (GTK_APPLICATION ((application)));
for (l = windows; l != NULL; l = g_list_next (l)) {
if (!EV_IS_WINDOW (l->data))
continue;
ev_application_open_uri_in_window (application, NULL,
EV_WINDOW (l->data),
screen, dest, mode,
search_string,
timestamp);
}
if (dest)
g_object_unref (dest);
ev_evince_application_complete_reload (object, invocation);
return TRUE;
}
#endif /* ENABLE_DBUS */
void
ev_application_open_uri_list (EvApplication *application,
GSList *uri_list,
GdkScreen *screen,
guint timestamp)
{
GSList *l;
for (l = uri_list; l != NULL; l = l->next) {
ev_application_open_uri_at_dest (application, (char *)l->data,
screen, NULL, 0, NULL,
timestamp);
}
}
static void
ev_application_accel_map_save (EvApplication *application)
{
gchar *accel_map_file;
gchar *tmp_filename;
gint fd;
accel_map_file = g_build_filename (application->dot_dir, "accels", NULL);
tmp_filename = g_strdup_printf ("%s.XXXXXX", accel_map_file);
fd = g_mkstemp (tmp_filename);
if (fd == -1) {
g_free (accel_map_file);
g_free (tmp_filename);
return;
}
gtk_accel_map_save_fd (fd);
close (fd);
g_mkdir_with_parents (application->dot_dir, 0700);
if (g_rename (tmp_filename, accel_map_file) == -1) {
/* FIXME: win32? */
g_unlink (tmp_filename);
}
g_free (accel_map_file);
g_free (tmp_filename);
}
static void
ev_application_accel_map_load (EvApplication *application)
{
gchar *accel_map_file;
accel_map_file = g_build_filename (application->dot_dir, "accels", NULL);
gtk_accel_map_load (accel_map_file);
g_free (accel_map_file);
}
static void
ev_application_migrate_config_dir (EvApplication *application)
{
const gchar *userdir;
gchar *old_dot_dir;
gchar *old_accels;
GError *error;
gint i;
gboolean dir_created = FALSE;
static const gchar *config_files[] = {
"evince_toolbar.xml",
"print-settings",
NULL
};
userdir = g_getenv ("GNOME22_USER_DIR");
if (userdir) {
old_dot_dir = g_build_filename (userdir, "evince", NULL);
old_accels = g_build_filename (userdir, "accels", "evince", NULL);
} else {
old_dot_dir = g_build_filename (g_get_home_dir (),
".gnome2",
"evince",
NULL);
old_accels = g_build_filename (g_get_home_dir (),
".gnome2", "accels",
"evince", NULL);
}
if (g_file_test (old_dot_dir, G_FILE_TEST_EXISTS | G_FILE_TEST_IS_DIR)) {
for (i = 0; config_files[i]; i++) {
gchar *old_filename;
gchar *new_filename;
GFile *old_file;
GFile *new_file;
old_filename = g_build_filename (old_dot_dir, config_files[i], NULL);
if (!g_file_test (old_filename, G_FILE_TEST_EXISTS)) {
g_free (old_filename);
continue;
}
if (!dir_created) {
g_mkdir_with_parents (application->dot_dir, 0700);
dir_created = TRUE;
}
new_filename = g_build_filename (application->dot_dir, config_files[i], NULL);
old_file = g_file_new_for_path (old_filename);
new_file = g_file_new_for_path (new_filename);
error = NULL;
g_file_move (old_file, new_file, 0, NULL, NULL, NULL, &error);
if (error) {
g_printerr ("Error migrating config file %s: %s\n",
old_filename, error->message);
g_error_free (error);
}
g_free (old_filename);
g_free (new_filename);
g_object_unref (old_file);
g_object_unref (new_file);
}
}
g_free (old_dot_dir);
if (g_file_test (old_accels, G_FILE_TEST_EXISTS)) {
gchar *new_accels;
GFile *old_accels_file;
GFile *new_accels_file;
if (!dir_created)
g_mkdir_with_parents (application->dot_dir, 0700);
new_accels = g_build_filename (application->dot_dir, "accels", NULL);
old_accels_file = g_file_new_for_path (old_accels);
new_accels_file = g_file_new_for_path (new_accels);
error = NULL;
g_file_move (old_accels_file, new_accels_file, 0, NULL, NULL, NULL, &error);
if (error) {
g_printerr ("Error migrating accelerator specifications file %s: %s\n",
old_accels, error->message);
g_error_free (error);
}
g_free (new_accels);
g_object_unref (old_accels_file);
g_object_unref (new_accels_file);
}
g_free (old_accels);
}
static void
ev_application_startup (GApplication *gapplication)
{
const gchar *action_accels[] = {
"win.open", "<Ctrl>O", NULL,
"win.open-copy", "<Ctrl>N", NULL,
"win.save-as", "<Ctrl>S", NULL,
"win.print", "<Ctrl>P", NULL,
"win.show-properties", "<alt>Return", NULL,
"win.copy", "<Ctrl>C", "<Ctrl>Insert", NULL,
"win.select-all", "<Ctrl>A", NULL,
"win.add-bookmark", "<Ctrl>D", NULL,
"win.delete-bookmark", "<Ctrl><Shift>D", NULL,
"win.close", "<Ctrl>W", NULL,
"win.escape", "Escape", NULL,
"win.find", "<Ctrl>F", "slash", "KP_Divide", NULL,
"win.find-next", "<Ctrl>G", "F3", NULL,
"win.find-previous", "<Ctrl><Shift>G", "<Shift>F3", NULL,
"win.select-page", "<Ctrl>L", NULL,
"win.go-backwards", "<Shift>Page_Up", NULL,
"win.go-forward", "<Shift>Page_Down", NULL,
"win.go-next-page", "n", "<Ctrl>Page_Down", NULL,
"win.go-previous-page", "p", "<Ctrl>Page_Up", NULL,
"win.go-back-history", "<alt>P", "Back", NULL,
"win.go-forward-history", "<alt>N", "Forward", NULL,
"win.sizing-mode::fit-page", "f", NULL,
"win.sizing-mode::fit-width", "w", NULL,
"win.sizing-mode::automatic", "a", NULL,
"win.default-zoom", "<Ctrl>0", "<Ctrl>KP_0", NULL,
"win.toggle-menu", "F10", NULL,
"win.caret-navigation", "F7", NULL,
"win.zoom-in", "plus", "<Ctrl>plus", "KP_Add", "<Ctrl>KP_Add", "equal", "<Ctrl>equal", NULL,
"win.zoom-out", "minus", "<Ctrl>minus", "KP_Subtract", "<Ctrl>KP_Subtract", NULL,
"win.show-side-pane", "F9", NULL,
"win.fullscreen", "F11", NULL,
"win.presentation", "F5", "<Shift>F5", NULL,
"win.continuous", "c", NULL,
"win.dual-page", "d", NULL,
"win.dual-odd-left", "o", NULL,
"win.rotate-left", "<Ctrl>Left", NULL,
"win.rotate-right", "<Ctrl>Right", NULL,
"win.inverted-colors", "<Ctrl>I", NULL,
"win.reload", "<Ctrl>R", NULL,
"win.add-annotation", "s", NULL,
"win.highlight-annotation", "<Ctrl>H", NULL,
"win.help", "F1", NULL,
"win.about", NULL, NULL,
NULL
};
EvApplication *application = EV_APPLICATION (gapplication);
const gchar **it;
g_application_set_resource_base_path (gapplication, "/org/gnome/evince");
G_APPLICATION_CLASS (ev_application_parent_class)->startup (gapplication);
hdy_init ();
hdy_style_manager_set_color_scheme (hdy_style_manager_get_default (),
HDY_COLOR_SCHEME_PREFER_LIGHT);
for (it = action_accels; it[0]; it += g_strv_length ((gchar **)it) + 1)
gtk_application_set_accels_for_action (GTK_APPLICATION (application), it[0], &it[1]);
}
static void
ev_application_shutdown (GApplication *gapplication)
{
EvApplication *application = EV_APPLICATION (gapplication);
#ifdef ENABLE_DBUS
if (application->uri)
ev_application_unregister_uri (application,
application->uri);
#endif
g_clear_pointer (&application->uri, g_free);
ev_application_accel_map_save (application);
g_clear_pointer (&application->dot_dir, g_free);
G_APPLICATION_CLASS (ev_application_parent_class)->shutdown (gapplication);
}
static void
ev_application_activate (GApplication *gapplication)
{
EvApplication *application = EV_APPLICATION (gapplication);
GList *windows, *l;
windows = gtk_application_get_windows (GTK_APPLICATION (application));
for (l = windows; l != NULL; l = l->next) {
if (!EV_IS_WINDOW (l->data))
continue;
gtk_window_present (GTK_WINDOW (l->data));
}
}
#ifdef ENABLE_DBUS
static gboolean
ev_application_dbus_register (GApplication *gapplication,
GDBusConnection *connection,
const gchar *object_path,
GError **error)
{
EvApplication *application = EV_APPLICATION (gapplication);
EvEvinceApplication *skeleton;
if (!G_APPLICATION_CLASS (ev_application_parent_class)->dbus_register (gapplication,
connection,
object_path,
error))
return FALSE;
skeleton = ev_evince_application_skeleton_new ();
if (!g_dbus_interface_skeleton_export (G_DBUS_INTERFACE_SKELETON (skeleton),
connection,
APPLICATION_DBUS_OBJECT_PATH,
error)) {
g_object_unref (skeleton);
return FALSE;
}
application->skeleton = skeleton;
g_signal_connect (skeleton, "handle-get-window-list",
G_CALLBACK (handle_get_window_list_cb),
application);
g_signal_connect (skeleton, "handle-reload",
G_CALLBACK (handle_reload_cb),
application);
application->keys = ev_media_player_keys_new ();
return TRUE;
}
static void
ev_application_dbus_unregister (GApplication *gapplication,
GDBusConnection *connection,
const gchar *object_path)
{
EvApplication *application = EV_APPLICATION (gapplication);
g_clear_object (&application->keys);
if (application->skeleton != NULL) {
g_dbus_interface_skeleton_unexport (G_DBUS_INTERFACE_SKELETON (application->skeleton));
g_clear_object (&application->skeleton);
}
G_APPLICATION_CLASS (ev_application_parent_class)->dbus_unregister (gapplication,
connection,
object_path);
}
#endif /* ENABLE_DBUS */
static void
ev_application_class_init (EvApplicationClass *ev_application_class)
{
GApplicationClass *g_application_class = G_APPLICATION_CLASS (ev_application_class);
g_application_class->startup = ev_application_startup;
g_application_class->activate = ev_application_activate;
g_application_class->shutdown = ev_application_shutdown;
#ifdef ENABLE_DBUS
g_application_class->dbus_register = ev_application_dbus_register;
g_application_class->dbus_unregister = ev_application_dbus_unregister;
#endif
}
static void
ev_application_init (EvApplication *ev_application)
{
ev_application->dot_dir = g_build_filename (g_get_user_config_dir (),
"evince", NULL);
if (!g_file_test (ev_application->dot_dir, G_FILE_TEST_EXISTS | G_FILE_TEST_IS_DIR))
ev_application_migrate_config_dir (ev_application);
ev_application_accel_map_load (ev_application);
}
gboolean
ev_application_has_window (EvApplication *application)
{
GList *l, *windows;
windows = gtk_application_get_windows (GTK_APPLICATION (application));
for (l = windows; l != NULL; l = l->next) {
if (!EV_IS_WINDOW (l->data))
continue;
return TRUE;
}
return FALSE;
}
guint
ev_application_get_n_windows (EvApplication *application)
{
GList *l, *windows;
guint retval = 0;
windows = gtk_application_get_windows (GTK_APPLICATION (application));
for (l = windows; l != NULL && !retval; l = l->next) {
if (!EV_IS_WINDOW (l->data))
continue;
retval++;
}
return retval;
}
const gchar *
ev_application_get_uri (EvApplication *application)
{
return application->uri;
}
/**
* ev_application_clear_uri:
* @application: The instance of the application.
*
* This unregisters current uri and clears it so that another document
* can be opened in this instance. E.g. after cancelled password dialog
* in recent view.
*/
void
ev_application_clear_uri (EvApplication *application)
{
#ifdef ENABLE_DBUS
ev_application_unregister_uri (application, application->uri);
#endif
g_clear_pointer (&application->uri, g_free);
}
/**
* ev_application_get_media_keys:
* @application: The instance of the application.
*
* It gives you access to the media player keys handler object.
*
* Returns: A #EvMediaPlayerKeys.
*/
GObject *
ev_application_get_media_keys (EvApplication *application)
{
#ifdef ENABLE_DBUS
return G_OBJECT (application->keys);
#else
return NULL;
#endif /* ENABLE_DBUS */
}
const gchar *
ev_application_get_dot_dir (EvApplication *application,
gboolean create)
{
if (create)
g_mkdir_with_parents (application->dot_dir, 0700);
return application->dot_dir;
}
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