inicial

1 files changed, 154 insertions, 0 deletions

diff --git a/libdocument/ev-init.c b/libdocument/ev-init.c
new file mode 100644
index 00000000..31863357
--- /dev/null
+++ b/libdocument/ev-init.c
@@ -0,0 +1,154 @@
+/* this file is part of evince, a mate document viewer
+ *
+ * Copyright © 2009 Christian Persch
+ *
+ * Evince is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation; either version 2.1 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 Lesser
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser 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 <glib.h>
+#include <glib/gi18n-lib.h>
+#ifdef G_OS_WIN32
+#include <windows.h>
+#endif
+
+#include "ev-init.h"
+#include "ev-backends-manager.h"
+#include "ev-debug.h"
+#include "ev-file-helpers.h"
+
+static int ev_init_count;
+
+#ifdef G_OS_WIN32
+
+static HMODULE evdocument_dll = NULL;
+static gchar *locale_dir = NULL;
+
+#ifdef DLL_EXPORT
+BOOL WINAPI
+DllMain (HINSTANCE hinstDLL,
+	 DWORD     fdwReason,
+	 LPVOID    lpvReserved)
+{
+	if (fdwReason == DLL_PROCESS_ATTACH)
+		evdocument_dll = hinstDLL;
+
+	return TRUE;
+}
+#endif
+
+static const gchar *
+_ev_win32_get_locale_dir (HMODULE module)
+{
+	if (locale_dir)
+		return locale_dir;
+
+	gchar *install_dir = NULL, *utf8_locale_dir;
+	gchar *retval = NULL;
+
+	if (evdocument_dll != NULL)
+		install_dir =
+		g_win32_get_package_installation_directory_of_module (module);
+
+	if (install_dir) {
+		utf8_locale_dir = g_build_filename (install_dir,
+			"share", "locale", NULL);
+
+		locale_dir = g_win32_locale_filename_from_utf8 (utf8_locale_dir);
+
+		g_free (install_dir);
+		g_free (utf8_locale_dir);
+	}
+
+	if (!locale_dir)
+		locale_dir = g_strdup ("");
+}
+
+#endif
+
+const gchar *
+ev_get_locale_dir (void)
+{
+#ifdef G_OS_WIN32
+	return _ev_win32_get_locale_dir (evdocument_dll);
+#else
+	return MATELOCALEDIR;
+#endif
+}
+
+/**
+ * ev_init:
+ *
+ * Initializes the evince document library, and binds the evince
+ * gettext domain.
+ *
+ * You must call this before calling any other function in the evince
+ * document library.
+ *
+ * Returns: %TRUE if any backends were found; %FALSE otherwise
+ */
+gboolean
+ev_init (void)
+{
+        static gboolean have_backends;
+
+        if (ev_init_count++ > 0)
+                return have_backends;
+
+	/* set up translation catalog */
+	bindtextdomain (GETTEXT_PACKAGE, ev_get_locale_dir ());
+	bind_textdomain_codeset (GETTEXT_PACKAGE, "UTF-8");
+
+        _ev_debug_init ();
+        _ev_file_helpers_init ();
+        have_backends = _ev_backends_manager_init ();
+
+        return have_backends;
+}
+
+/**
+ * ev_shutdown:
+ *
+ * Shuts the evince document library down.
+ */
+void
+ev_shutdown (void)
+{
+        g_assert (_ev_is_initialized ());
+
+        if (--ev_init_count > 0)
+                return;
+
+#ifdef G_OS_WIN32
+	if (locale_dir != NULL)
+		g_free(locale_dir);
+#endif
+
+        _ev_backends_manager_shutdown ();
+        _ev_file_helpers_shutdown ();
+        _ev_debug_shutdown ();
+}
+
+/*
+ * _ev_is_initialized:
+ *
+ * Returns: %TRUE if the evince document library has been initialized
+ */
+gboolean
+_ev_is_initialized (void)
+{
+        return ev_init_count > 0;
+}