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/*
* GTK - The GIMP Toolkit
* Copyright (C) 2008 Jaap Haitsma <jaap@haitsma.org>
*
* All rights reserved.
*
* 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, see <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <gdk/gdk.h>
#include "gtkshow.h"
#include "gtkwindowprivate.h"
#include "gtkmessagedialog.h"
#include "gtkintl.h"
typedef struct {
GtkWindow *parent;
GAppLaunchContext *context;
char *uri;
GTask *task;
} GtkShowUriData;
static void
gtk_show_uri_data_free (GtkShowUriData *data)
{
if (data->parent)
gtk_window_unexport_handle (data->parent);
g_clear_object (&data->parent);
g_clear_object (&data->context);
g_free (data->uri);
g_clear_object (&data->task);
g_free (data);
}
static void
launch_uri_done (GObject *source,
GAsyncResult *result,
gpointer user_data)
{
GtkShowUriData *data = user_data;
GError *error = NULL;
if (g_app_info_launch_default_for_uri_finish (result, &error))
g_task_return_boolean (data->task, TRUE);
else
g_task_return_error (data->task, error);
gtk_show_uri_data_free (data);
}
static void
window_handle_exported (GtkWindow *window,
const char *handle,
gpointer user_data)
{
GtkShowUriData *data = user_data;
if (handle)
g_app_launch_context_setenv (data->context, "PARENT_WINDOW_ID", handle);
g_app_info_launch_default_for_uri_async (data->uri,
data->context,
g_task_get_cancellable (data->task),
launch_uri_done,
data);
}
/**
* gtk_show_uri_full:
* @parent: (nullable): parent window
* @uri: the uri to show
* @timestamp: timestamp from the event that triggered this call, or %GDK_CURRENT_TIME
* @cancellable: (nullable): a #GCancellable to cancel the launch
* @callback (scope async): a callback to call when the action is complete
* @user_data: (closure callback): data to pass to @callback
*
* This function launches the default application for showing
* a given uri.
*
* The uri must be of a form understood by GIO (i.e. you need
* to install gvfs to get support for uri schemes such as http://
* or ftp://, as only local files are handled by GIO itself).
* Typical examples are
* - `file:///home/gnome/pict.jpg`
* - `http://www.gnome.org`
* - `mailto:me@gnome.org`
*
* The @callback will be called when the launch is completed.
* It should call gtk_show_uri_finish() to obtain the result.
*
* This is the recommended call to be used as it passes information
* necessary for sandbox helpers to parent their dialogs properly.
*/
void
gtk_show_uri_full (GtkWindow *parent,
const char *uri,
guint32 timestamp,
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer user_data)
{
GtkShowUriData *data;
GdkAppLaunchContext *context;
GdkDisplay *display;
g_return_if_fail (parent == NULL || GTK_IS_WINDOW (parent));
g_return_if_fail (uri != NULL);
if (parent)
display = gtk_widget_get_display (GTK_WIDGET (parent));
else
display = gdk_display_get_default ();
context = gdk_display_get_app_launch_context (display);
gdk_app_launch_context_set_timestamp (context, timestamp);
data = g_new0 (GtkShowUriData, 1);
data->parent = parent ? g_object_ref (parent) : NULL;
data->context = G_APP_LAUNCH_CONTEXT (context);
data->uri = g_strdup (uri);
data->task = g_task_new (parent, cancellable, callback, user_data);
g_task_set_source_tag (data->task, gtk_show_uri);
if (parent)
gtk_window_export_handle (parent, window_handle_exported, data);
else
window_handle_exported (parent, NULL, data);
}
/**
* gtk_show_uri_full_finish:
* @parent: the #GtkWindow passed to gtk_show_uri()
* @result: #GASyncResult that was passed to @callback
* @error: return location for an error
*
* Finished the gtk_show_uri() call and returns the result
* of the operation.
*
* Returns: %TRUE if the URI was shown successfully.
* Otherwise, %FALSE is returned and @error is set
*/
gboolean
gtk_show_uri_full_finish (GtkWindow *parent,
GAsyncResult *result,
GError **error)
{
g_return_val_if_fail (parent == NULL || GTK_IS_WINDOW (parent), FALSE);
g_return_val_if_fail (g_task_is_valid (result, parent), FALSE);
g_return_val_if_fail (g_task_get_source_tag (G_TASK (result)) == gtk_show_uri, FALSE);
return g_task_propagate_boolean (G_TASK (result), error);
}
static void
show_uri_done (GObject *object,
GAsyncResult *result,
gpointer data)
{
GtkWindow *parent = GTK_WINDOW (object);
GError *error = NULL;
if (!gtk_show_uri_full_finish (parent, result, &error))
{
GtkWidget *dialog;
dialog = gtk_message_dialog_new (parent,
GTK_DIALOG_DESTROY_WITH_PARENT |
GTK_DIALOG_MODAL,
GTK_MESSAGE_ERROR,
GTK_BUTTONS_CLOSE,
"%s", _("Could not show link"));
gtk_message_dialog_format_secondary_text (GTK_MESSAGE_DIALOG (dialog),
"%s", error->message);
g_signal_connect (dialog, "response",
G_CALLBACK (gtk_widget_destroy), NULL);
G_GNUC_BEGIN_IGNORE_DEPRECATIONS
gtk_window_present (GTK_WINDOW (dialog));
G_GNUC_END_IGNORE_DEPRECATIONS
}
}
/**
* gtk_show_uri:
* @parent: (allow-none): parent window
* @uri: the uri to show
* @timestamp: timestamp from the event that triggered this call, or %GDK_CURRENT_TIME
*
* This function launches the default application for showing
* a given uri, or shows an error dialog if that fails.
*
* The uri must be of a form understood by GIO (i.e. you need
* to install gvfs to get support for uri schemes such as http://
* or ftp://, as only local files are handled by GIO itself).
* Typical examples are
* - `file:///home/gnome/pict.jpg`
* - `http://www.gnome.org`
* - `mailto:me@gnome.org`
*/
void
gtk_show_uri (GtkWindow *parent,
const char *uri,
guint32 timestamp)
{
gtk_show_uri_full (parent, uri, timestamp, NULL, show_uri_done, NULL);
}
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