--- /dev/null
+/* GIO - GLib Input, Output and Streaming Library
+ *
+ * Copyright (C) 2006-2007 Red Hat, Inc.
+ *
+ * This library 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 of the License, or (at your option) any later version.
+ *
+ * This library 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 library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place, Suite 330,
+ * Boston, MA 02111-1307, USA.
+ *
+ * Author: Vlad Grecescu <b100dian@gmail.com>
+ *
+ */
+
+#include "config.h"
+#include "gwin32directorymonitor.h"
+#include "giomodule.h"
+#include <windows.h>
+
+G_DEFINE_TYPE_WITH_CODE (GWin32DirectoryMonitor, g_win32_directory_monitor, G_TYPE_LOCAL_DIRECTORY_MONITOR,
+g_io_extension_point_implement (G_LOCAL_DIRECTORY_MONITOR_EXTENSION_POINT_NAME,
+ g_define_type_id,
+ "readdirectorychanges",
+ 20))
+
+struct _GWin32DirectoryMonitorPrivate {
+ OVERLAPPED overlapped;
+ DWORD buffer_allocated_bytes;
+ gchar* file_notify_buffer;
+ DWORD buffer_filled_bytes;
+ HANDLE hDirectory;
+ /** needed in the APC where we only have this private struct */
+ GFileMonitor * self;
+};
+
+static void g_win32_directory_monitor_finalize (GObject* base);
+static gboolean g_win32_directory_monitor_cancel (GFileMonitor* base);
+static GObject * g_win32_directory_monitor_constructor (GType type, guint n_construct_properties, GObjectConstructParam * construct_properties);
+
+static gboolean g_win32_directory_monitor_is_supported(void) {
+ return TRUE;
+}
+
+static void g_win32_directory_monitor_finalize (GObject* base) {
+ GWin32DirectoryMonitor * self;
+ self = G_WIN32_DIRECTORY_MONITOR (base);
+
+ g_free (self->priv->file_notify_buffer);
+ g_free (self->priv);
+
+ if (G_OBJECT_CLASS (g_win32_directory_monitor_parent_class)->finalize)
+ (*G_OBJECT_CLASS (g_win32_directory_monitor_parent_class)->finalize) (base);
+}
+
+
+static gboolean g_win32_directory_monitor_cancel (GFileMonitor* base) {
+ GWin32DirectoryMonitor * self;
+ self = G_WIN32_DIRECTORY_MONITOR (base);
+
+ /* this triggers a last callback() with nBytes=0 */
+ CloseHandle (self->priv->hDirectory);
+
+ if (G_FILE_MONITOR_CLASS (g_win32_directory_monitor_parent_class)->cancel)
+ (*G_FILE_MONITOR_CLASS (g_win32_directory_monitor_parent_class)->cancel) (base);
+ return TRUE;
+}
+
+void CALLBACK g_win32_directory_monitor_callback (DWORD error, DWORD nBytes, GWin32DirectoryMonitorPrivate* lpOverlapped)
+{
+ gulong offset;
+ PFILE_NOTIFY_INFORMATION pfile_notify_walker;
+ gulong file_name_len;
+ gchar* file_name;
+ GFile * file;
+
+ static GFileMonitorEvent events[] = {0,
+ G_FILE_MONITOR_EVENT_CREATED, /* FILE_ACTION_ADDED */
+ G_FILE_MONITOR_EVENT_DELETED, /* FILE_ACTION_REMOVED */
+ G_FILE_MONITOR_EVENT_CHANGED, /* FILE_ACTION_MODIFIED */
+ G_FILE_MONITOR_EVENT_DELETED, /* FILE_ACTION_RENAMED_OLD_NAME */
+ G_FILE_MONITOR_EVENT_CREATED, /* FILE_ACTION_RENAMED_NEW_NAME */
+ };
+
+ if (!nBytes) /* monitor was cancelled/finalized */
+ return;
+
+ if (g_file_monitor_is_cancelled (G_FILE_MONITOR (lpOverlapped->self)))
+ return; /* and ReadDirectoryChangesW doesn't get called this time */
+
+ offset = 0;
+ do {
+ pfile_notify_walker = (PFILE_NOTIFY_INFORMATION)(lpOverlapped->file_notify_buffer + offset);
+ offset += pfile_notify_walker->NextEntryOffset;
+ file_name = g_utf16_to_utf8 (pfile_notify_walker->FileName, pfile_notify_walker->FileNameLength / sizeof(WCHAR), NULL, &file_name_len, NULL);
+ file = g_file_new_for_path (file_name);
+ g_file_monitor_emit_event (lpOverlapped->self, file, NULL, events [pfile_notify_walker->Action]);
+ g_object_unref (file);
+ g_free (file_name);
+ } while (pfile_notify_walker->NextEntryOffset);
+
+ ReadDirectoryChangesW (lpOverlapped->hDirectory, (gpointer)lpOverlapped->file_notify_buffer, lpOverlapped->buffer_allocated_bytes, FALSE,
+ FILE_NOTIFY_CHANGE_FILE_NAME | FILE_NOTIFY_CHANGE_DIR_NAME | FILE_NOTIFY_CHANGE_ATTRIBUTES |
+ FILE_NOTIFY_CHANGE_SIZE, &lpOverlapped->buffer_filled_bytes, &lpOverlapped->overlapped, g_win32_directory_monitor_callback);
+}
+
+static GObject * g_win32_directory_monitor_constructor (GType type, guint n_construct_properties, GObjectConstructParam * construct_properties) {
+ GObject * obj;
+ GWin32DirectoryMonitorClass * klass;
+ GObjectClass * parent_class;
+ GWin32DirectoryMonitor * self;
+ gchar * dirname;
+ gboolean result;
+
+ klass = G_WIN32_DIRECTORY_MONITOR_CLASS (g_type_class_peek (G_TYPE_WIN32_DIRECTORY_MONITOR));
+ parent_class = G_OBJECT_CLASS (g_type_class_peek_parent (klass));
+ obj = parent_class->constructor (type, n_construct_properties, construct_properties);
+ self = G_WIN32_DIRECTORY_MONITOR (obj);
+ dirname = G_LOCAL_DIRECTORY_MONITOR (obj)->dirname;
+
+ self->priv->hDirectory = CreateFile (dirname, FILE_LIST_DIRECTORY, FILE_SHARE_DELETE | FILE_SHARE_READ | FILE_SHARE_WRITE,
+ NULL, OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS | FILE_FLAG_OVERLAPPED, NULL);
+ g_assert (self->priv->hDirectory != INVALID_HANDLE_VALUE); /* harsh */
+
+ result = ReadDirectoryChangesW (self->priv->hDirectory, (gpointer)self->priv->file_notify_buffer, self->priv->buffer_allocated_bytes, FALSE,
+ FILE_NOTIFY_CHANGE_FILE_NAME | FILE_NOTIFY_CHANGE_DIR_NAME | FILE_NOTIFY_CHANGE_ATTRIBUTES |
+ FILE_NOTIFY_CHANGE_SIZE, &self->priv->buffer_filled_bytes, &self->priv->overlapped, g_win32_directory_monitor_callback);
+ g_assert (result); /* harsh */
+
+ return obj;
+}
+
+static void g_win32_directory_monitor_class_init (GWin32DirectoryMonitorClass * klass) {
+
+ g_win32_directory_monitor_parent_class = g_type_class_peek_parent (klass);
+
+ G_OBJECT_CLASS (klass)->constructor = g_win32_directory_monitor_constructor;
+ G_OBJECT_CLASS (klass)->finalize = g_win32_directory_monitor_finalize;
+ G_FILE_MONITOR_CLASS (klass)->cancel = g_win32_directory_monitor_cancel;
+
+ G_LOCAL_DIRECTORY_MONITOR_CLASS (klass)->mount_notify = FALSE;
+ G_LOCAL_DIRECTORY_MONITOR_CLASS (klass)->is_supported = g_win32_directory_monitor_is_supported;
+}
+
+static void g_win32_directory_monitor_init (GWin32DirectoryMonitor * self)
+{
+ self->priv = (GWin32DirectoryMonitorPrivate*)g_new0 (GWin32DirectoryMonitorPrivate, 1);
+ g_assert (self->priv != 0);
+
+ self->priv->buffer_allocated_bytes = 32768;
+ self->priv->file_notify_buffer = g_new0 (gchar, self->priv->buffer_allocated_bytes);
+ g_assert (self->priv->file_notify_buffer);
+
+ self->priv->self = G_FILE_MONITOR (self);
+}
--- /dev/null
+/* GIO - GLib Input, Output and Streaming Library
+ *
+ * Copyright (C) 2006-2007 Red Hat, Inc.
+ *
+ * This library 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 of the License, or (at your option) any later version.
+ *
+ * This library 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 library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place, Suite 330,
+ * Boston, MA 02111-1307, USA.
+ *
+ * Author: Vlad Grecescu <b100dian@gmail.com>
+ *
+ */
+#ifndef __G_WIN32_DIRECTORY_MONITOR_H__
+#define __G_WIN32_DIRECTORY_MONITOR_H__
+
+#include <glib.h>
+#include <glib-object.h>
+#include <gio/gio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "glocaldirectorymonitor.h"
+#include "giomodule.h"
+
+G_BEGIN_DECLS
+
+
+#define G_TYPE_WIN32_DIRECTORY_MONITOR (g_win32_directory_monitor_get_type ())
+#define G_WIN32_DIRECTORY_MONITOR(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), G_TYPE_WIN32_DIRECTORY_MONITOR, GWin32DirectoryMonitor))
+#define G_WIN32_DIRECTORY_MONITOR_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), G_TYPE_WIN32_DIRECTORY_MONITOR, GWin32DirectoryMonitorClass))
+#define G_IS_WIN32_DIRECTORY_MONITOR(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), G_TYPE_WIN32_DIRECTORY_MONITOR))
+#define G_IS_WIN32_DIRECTORY_MONITOR_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), G_TYPE_WIN32_DIRECTORY_MONITOR))
+#define G_WIN32_DIRECTORY_MONITOR_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), G_TYPE_WIN32_DIRECTORY_MONITOR, GWin32DirectoryMonitorClass))
+
+typedef struct _GWin32DirectoryMonitor GWin32DirectoryMonitor;
+typedef struct _GWin32DirectoryMonitorClass GWin32DirectoryMonitorClass;
+typedef struct _GWin32DirectoryMonitorPrivate GWin32DirectoryMonitorPrivate;
+
+struct _GWin32DirectoryMonitor {
+ GLocalDirectoryMonitor parent_instance;
+ GWin32DirectoryMonitorPrivate * priv;
+};
+struct _GWin32DirectoryMonitorClass {
+ GLocalDirectoryMonitorClass parent_class;
+};
+
+GType g_win32_directory_monitor_get_type (void);
+void g_win32_directory_monitor_register (GIOModule *module);
+
+G_END_DECLS
+
+#endif /* __G_WIN32_DIRECTORY_MONITOR_H__ */
projects / platform / upstream / glib.git / commitdiff