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gimp/app/gui/gimpdbusservice.c

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/* GIMP - The GNU Image Manipulation Program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* GimpDBusService
* Copyright (C) 2007, 2008 Sven Neumann <sven@gimp.org>
* Copyright (C) 2013 Michael Natterer <mitch@gimp.org>
*
* This program 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 3 of the License, or
* (at your option) any later version.
*
* This program 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, see <https://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <gegl.h>
#include <gtk/gtk.h>
#include "gui-types.h"
#include "core/gimp.h"
#include "core/gimp-batch.h"
#include "core/gimpcontainer.h"
#include "file/file-open.h"
#include "display/gimpdisplay.h"
#include "display/gimpdisplayshell.h"
#include "gimpdbusservice.h"
typedef struct
{
GFile *file;
gboolean as_new;
gchar *interpreter;
gchar *command;
} IdleData;
static void gimp_dbus_service_ui_iface_init (GimpDBusServiceUIIface *iface);
static void gimp_dbus_service_dispose (GObject *object);
static void gimp_dbus_service_finalize (GObject *object);
static gboolean gimp_dbus_service_activate (GimpDBusServiceUI *service,
GDBusMethodInvocation *invocation);
static gboolean gimp_dbus_service_open (GimpDBusServiceUI *service,
GDBusMethodInvocation *invocation,
const gchar *uri);
static gboolean gimp_dbus_service_open_as_new (GimpDBusServiceUI *service,
GDBusMethodInvocation *invocation,
const gchar *uri);
static gboolean gimp_dbus_service_batch_run (GimpDBusServiceUI *service,
GDBusMethodInvocation *invocation,
const gchar *batch_interpreter,
const gchar *batch_command);
static void gimp_dbus_service_gimp_opened (Gimp *gimp,
GFile *file,
GimpDBusService *service);
static gboolean gimp_dbus_service_queue_open (GimpDBusService *service,
const gchar *uri,
gboolean as_new);
static gboolean gimp_dbus_service_queue_batch (GimpDBusService *service,
const gchar *interpreter,
const gchar *command);
static gboolean gimp_dbus_service_process_idle (GimpDBusService *service);
static IdleData * gimp_dbus_service_open_data_new (GimpDBusService *service,
const gchar *uri,
gboolean as_new);
static IdleData * gimp_dbus_service_batch_data_new (GimpDBusService *service,
const gchar *interpreter,
const gchar *command);
static void gimp_dbus_service_idle_data_free (IdleData *data);
G_DEFINE_TYPE_WITH_CODE (GimpDBusService, gimp_dbus_service,
GIMP_DBUS_SERVICE_TYPE_UI_SKELETON,
G_IMPLEMENT_INTERFACE (GIMP_DBUS_SERVICE_TYPE_UI,
gimp_dbus_service_ui_iface_init))
#define parent_class gimp_dbus_service_parent_class
static void
gimp_dbus_service_class_init (GimpDBusServiceClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
object_class->dispose = gimp_dbus_service_dispose;
object_class->finalize = gimp_dbus_service_finalize;
}
static void
gimp_dbus_service_init (GimpDBusService *service)
{
service->queue = g_queue_new ();
}
static void
gimp_dbus_service_ui_iface_init (GimpDBusServiceUIIface *iface)
{
iface->handle_activate = gimp_dbus_service_activate;
iface->handle_open = gimp_dbus_service_open;
iface->handle_open_as_new = gimp_dbus_service_open_as_new;
iface->handle_batch_run = gimp_dbus_service_batch_run;
}
GObject *
gimp_dbus_service_new (Gimp *gimp)
{
GimpDBusService *service;
g_return_val_if_fail (GIMP_IS_GIMP (gimp), NULL);
service = g_object_new (GIMP_TYPE_DBUS_SERVICE, NULL);
service->gimp = gimp;
g_signal_connect_object (gimp, "image-opened",
G_CALLBACK (gimp_dbus_service_gimp_opened),
service, 0);
return G_OBJECT (service);
}
static void
gimp_dbus_service_dispose (GObject *object)
{
GimpDBusService *service = GIMP_DBUS_SERVICE (object);
if (service->source)
{
g_source_remove (g_source_get_id (service->source));
service->source = NULL;
}
while (! g_queue_is_empty (service->queue))
{
gimp_dbus_service_idle_data_free (g_queue_pop_head (service->queue));
}
G_OBJECT_CLASS (parent_class)->dispose (object);
}
static void
gimp_dbus_service_finalize (GObject *object)
{
GimpDBusService *service = GIMP_DBUS_SERVICE (object);
if (service->queue)
{
g_queue_free (service->queue);
service->queue = NULL;
}
G_OBJECT_CLASS (parent_class)->finalize (object);
}
gboolean
gimp_dbus_service_activate (GimpDBusServiceUI *service,
GDBusMethodInvocation *invocation)
{
Gimp *gimp = GIMP_DBUS_SERVICE (service)->gimp;
/* We want to be called again later in case that GIMP is not fully
* started yet.
*/
if (gimp_is_restored (gimp))
{
GimpObject *display;
display = gimp_container_get_first_child (gimp->displays);
if (display)
gimp_display_shell_present (gimp_display_get_shell (GIMP_DISPLAY (display)));
}
gimp_dbus_service_ui_complete_activate (service, invocation);
return TRUE;
}
gboolean
gimp_dbus_service_open (GimpDBusServiceUI *service,
GDBusMethodInvocation *invocation,
const gchar *uri)
{
gboolean success;
success = gimp_dbus_service_queue_open (GIMP_DBUS_SERVICE (service),
uri, FALSE);
gimp_dbus_service_ui_complete_open (service, invocation, success);
return TRUE;
}
gboolean
gimp_dbus_service_open_as_new (GimpDBusServiceUI *service,
GDBusMethodInvocation *invocation,
const gchar *uri)
{
gboolean success;
success = gimp_dbus_service_queue_open (GIMP_DBUS_SERVICE (service),
uri, TRUE);
gimp_dbus_service_ui_complete_open_as_new (service, invocation, success);
return TRUE;
}
gboolean
gimp_dbus_service_batch_run (GimpDBusServiceUI *service,
GDBusMethodInvocation *invocation,
const gchar *batch_interpreter,
const gchar *batch_command)
{
gboolean success;
success = gimp_dbus_service_queue_batch (GIMP_DBUS_SERVICE (service),
batch_interpreter,
batch_command);
gimp_dbus_service_ui_complete_batch_run (service, invocation, success);
return TRUE;
}
static void
gimp_dbus_service_gimp_opened (Gimp *gimp,
GFile *file,
GimpDBusService *service)
{
gchar *uri = g_file_get_uri (file);
g_signal_emit_by_name (service, "opened", uri);
g_free (uri);
}
/*
* Adds a request to open a file to the end of the queue and
* starts an idle source if it is not already running.
*/
static gboolean
gimp_dbus_service_queue_open (GimpDBusService *service,
const gchar *uri,
gboolean as_new)
{
g_queue_push_tail (service->queue,
gimp_dbus_service_open_data_new (service, uri, as_new));
if (! service->source)
{
service->source = g_idle_source_new ();
g_source_set_priority (service->source, G_PRIORITY_LOW);
g_source_set_callback (service->source,
(GSourceFunc) gimp_dbus_service_process_idle,
service,
NULL);
g_source_attach (service->source, NULL);
g_source_unref (service->source);
}
/* The call always succeeds as it is handled in one way or another.
* Even presenting an error message is considered success ;-)
*/
return TRUE;
}
/*
* Adds a request to run a batch command to the end of the queue and
* starts an idle source if it is not already running.
*/
static gboolean
gimp_dbus_service_queue_batch (GimpDBusService *service,
const gchar *interpreter,
const gchar *command)
{
g_queue_push_tail (service->queue,
gimp_dbus_service_batch_data_new (service,
interpreter,
command));
if (! service->source)
{
service->source = g_idle_source_new ();
g_source_set_priority (service->source, G_PRIORITY_LOW);
g_source_set_callback (service->source,
(GSourceFunc) gimp_dbus_service_process_idle,
service,
NULL);
g_source_attach (service->source, NULL);
g_source_unref (service->source);
}
/* The call always succeeds as it is handled in one way or another.
* Even presenting an error message is considered success ;-)
*/
return TRUE;
}
/*
* Idle callback that removes the first request from the queue and
* handles it. If there are no more requests, the idle source is
* removed.
*/
static gboolean
gimp_dbus_service_process_idle (GimpDBusService *service)
{
IdleData *data;
if (! service->gimp->restored)
return TRUE;
data = g_queue_pop_tail (service->queue);
if (data)
{
if (data->file)
file_open_from_command_line (service->gimp, data->file, data->as_new,
NULL /* FIXME monitor */);
if (data->command)
{
const gchar *commands[2] = {data->command, 0};
gimp_batch_run (service->gimp, data->interpreter,
commands);
}
gimp_dbus_service_idle_data_free (data);
return TRUE;
}
service->source = NULL;
return FALSE;
}
static IdleData *
gimp_dbus_service_open_data_new (GimpDBusService *service,
const gchar *uri,
gboolean as_new)
{
IdleData *data = g_slice_new (IdleData);
data->file = g_file_new_for_uri (uri);
data->as_new = as_new;
data->interpreter = NULL;
data->command = NULL;
return data;
}
static IdleData *
gimp_dbus_service_batch_data_new (GimpDBusService *service,
const gchar *interpreter,
const gchar *command)
{
IdleData *data = g_slice_new (IdleData);
data->file = NULL;
data->as_new = FALSE;
data->command = g_strdup (command);
if (g_strcmp0 (interpreter, "") == 0)
data->interpreter = NULL;
else
data->interpreter = g_strdup (interpreter);
return data;
}
static void
gimp_dbus_service_idle_data_free (IdleData *data)
{
if (data->file)
g_object_unref (data->file);
if (data->command)
g_free (data->command);
if (data->interpreter)
g_free (data->interpreter);
g_slice_free (IdleData, data);
}
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