1 files changed, 254 insertions, 0 deletions
diff --git a/Source/WebKit2/UIProcess/API/gtk/WebKitPrintCustomWidget.cpp b/Source/WebKit2/UIProcess/API/gtk/WebKitPrintCustomWidget.cpp
new file mode 100644
index 000000000..21037e7a2
--- /dev/null
+++ b/Source/WebKit2/UIProcess/API/gtk/WebKitPrintCustomWidget.cpp
@@ -0,0 +1,254 @@
+/*
+ * Copyright (C) 2017 Red Hat Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library 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
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public License
+ * along with this library; see the file COPYING.LIB.  If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#include "config.h"
+#include "WebKitPrintCustomWidget.h"
+
+#include "WebKitPrintCustomWidgetPrivate.h"
+#include <glib/gi18n-lib.h>
+#include <gtk/gtk.h>
+#include <wtf/glib/GRefPtr.h>
+
+using namespace WebKit;
+
+/**
+ * SECTION: WebKitPrintCustomWidget
+ * @Short_description: Allows to embed a custom widget in print dialog
+ * @Title: WebKitPrintCustomWidget
+ * @See_also: #WebKitPrintOperation
+ *
+ * A WebKitPrintCustomWidget allows to embed a custom widget in the print
+ * dialog by connecting to the #WebKitPrintOperation::create-custom-widget
+ * signal, creating a new WebKitPrintCustomWidget with
+ * webkit_print_custom_widget_new() and returning it from there. You can later
+ * use webkit_print_operation_run_dialog() to display the dialog.
+ *
+ * Since: 2.16
+ */
+
+enum {
+    APPLY,
+    UPDATE,
+
+    LAST_SIGNAL
+};
+
+enum {
+    PROP_0,
+
+    PROP_WIDGET,
+    PROP_TITLE
+};
+
+struct _WebKitPrintCustomWidgetPrivate {
+    CString title;
+    GRefPtr<GtkWidget> widget;
+};
+
+static guint signals[LAST_SIGNAL] = { 0, };
+
+WEBKIT_DEFINE_TYPE(WebKitPrintCustomWidget, webkit_print_custom_widget, G_TYPE_OBJECT)
+
+static void webkitPrintCustomWidgetGetProperty(GObject* object, guint propId, GValue* value, GParamSpec* paramSpec)
+{
+    WebKitPrintCustomWidget* printCustomWidget = WEBKIT_PRINT_CUSTOM_WIDGET(object);
+
+    switch (propId) {
+    case PROP_WIDGET:
+        g_value_set_object(value, webkit_print_custom_widget_get_widget(printCustomWidget));
+        break;
+    case PROP_TITLE:
+        g_value_set_string(value, webkit_print_custom_widget_get_title(printCustomWidget));
+        break;
+    default:
+        G_OBJECT_WARN_INVALID_PROPERTY_ID(object, propId, paramSpec);
+    }
+}
+
+static void webkitPrintCustomWidgetSetProperty(GObject* object, guint propId, const GValue* value, GParamSpec* paramSpec)
+{
+    WebKitPrintCustomWidget* printCustomWidget = WEBKIT_PRINT_CUSTOM_WIDGET(object);
+
+    switch (propId) {
+    case PROP_WIDGET:
+        printCustomWidget->priv->widget = GTK_WIDGET(g_value_get_object(value));
+        break;
+    case PROP_TITLE:
+        printCustomWidget->priv->title = g_value_get_string(value);
+        break;
+    default:
+        G_OBJECT_WARN_INVALID_PROPERTY_ID(object, propId, paramSpec);
+    }
+}
+
+static void webkit_print_custom_widget_class_init(WebKitPrintCustomWidgetClass* printCustomWidgetClass)
+{
+    GObjectClass* objectClass = G_OBJECT_CLASS(printCustomWidgetClass);
+    objectClass->get_property = webkitPrintCustomWidgetGetProperty;
+    objectClass->set_property = webkitPrintCustomWidgetSetProperty;
+
+    /**
+     * WebKitPrintCustomWidget:widget:
+     *
+     * The custom #GtkWidget that will be embedded in the dialog.
+     *
+     * Since: 2.16
+     */
+    g_object_class_install_property(
+        objectClass,
+        PROP_WIDGET,
+        g_param_spec_object(
+            "widget",
+            _("Widget"),
+            _("Widget that will be added to the print dialog."),
+            GTK_TYPE_WIDGET,
+            static_cast<GParamFlags>(WEBKIT_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY)));
+
+    /**
+     * WebKitPrintCustomWidget:title:
+     *
+     * The title of the custom widget.
+     *
+     * Since: 2.16
+     */
+    g_object_class_install_property(
+        objectClass,
+        PROP_TITLE,
+        g_param_spec_string(
+            "title",
+            _("Title"),
+            _("Title of the widget that will be added to the print dialog."),
+            nullptr,
+            static_cast<GParamFlags>(WEBKIT_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY)));
+
+    /**
+     * WebKitPrintCustomWidget::update:
+     * @print_custom_widget: the #WebKitPrintCustomWidget on which the signal was emitted
+     * @page_setup: actual page setup
+     * @print_settings: actual print settings
+     *
+     * Emitted after change of selected printer in the dialog. The actual page setup
+     * and print settings are available and the custom widget can actualize itself
+     * according to their values.
+     *
+     * Since: 2.16
+     */
+    signals[UPDATE] =
+        g_signal_new(
+            "update",
+            G_TYPE_FROM_CLASS(printCustomWidgetClass),
+            G_SIGNAL_RUN_LAST,
+            G_STRUCT_OFFSET(WebKitPrintCustomWidgetClass, update),
+            0, 0,
+            g_cclosure_marshal_generic,
+            G_TYPE_NONE, 2,
+            GTK_TYPE_PAGE_SETUP, GTK_TYPE_PRINT_SETTINGS);
+
+    /**
+     * WebKitPrintCustomWidget::apply:
+     * @print_custom_widget: the #WebKitPrintCustomWidget on which the signal was emitted
+     *
+     * Emitted right before the printing will start. You should read the information
+     * from the widget and update the content based on it if necessary. The widget
+     * is not guaranteed to be valid at a later time.
+     *
+     * Since: 2.16
+     */
+    signals[APPLY] =
+        g_signal_new(
+            "apply",
+            G_TYPE_FROM_CLASS(printCustomWidgetClass),
+            G_SIGNAL_RUN_LAST,
+            G_STRUCT_OFFSET(WebKitPrintCustomWidgetClass, apply),
+            0, 0,
+            g_cclosure_marshal_VOID__VOID,
+            G_TYPE_NONE, 0);
+}
+
+/**
+ * webkit_print_custom_widget_new:
+ * @widget: a #GtkWidget
+ * @title: a @widget's title
+ *
+ * Create a new #WebKitPrintCustomWidget with given @widget and @title. The @widget
+ * ownership is taken and it is destroyed together with the dialog even if this
+ * object could still be alive at that point. You typically want to pass a container
+ * widget with multiple widgets in it.
+ *
+ * Returns: (transfer full): a new #WebKitPrintOperation.
+ *
+ * Since: 2.16
+ */
+WebKitPrintCustomWidget* webkit_print_custom_widget_new(GtkWidget* widget, const char* title)
+{
+    g_return_val_if_fail(GTK_IS_WIDGET(widget), nullptr);
+    g_return_val_if_fail(title, nullptr);
+
+    return WEBKIT_PRINT_CUSTOM_WIDGET(g_object_new(WEBKIT_TYPE_PRINT_CUSTOM_WIDGET, "widget", widget, "title", title, nullptr));
+}
+
+/**
+ * webkit_print_custom_widget_get_widget:
+ * @print_custom_widget: a #WebKitPrintCustomWidget
+ *
+ * Return the value of #WebKitPrintCustomWidget:widget property for the given
+ * @print_custom_widget object. The returned value will always be valid if called
+ * from #WebKitPrintCustomWidget::apply or #WebKitPrintCustomWidget::update
+ * callbacks, but it will be %NULL if called after the
+ * #WebKitPrintCustomWidget::apply signal is emitted.
+ *
+ * Returns: (transfer none): a #GtkWidget.
+ *
+ * Since: 2.16
+ */
+GtkWidget* webkit_print_custom_widget_get_widget(WebKitPrintCustomWidget* printCustomWidget)
+{
+    g_return_val_if_fail(WEBKIT_IS_PRINT_CUSTOM_WIDGET(printCustomWidget), nullptr);
+
+    return printCustomWidget->priv->widget.get();
+}
+
+/**
+ * webkit_print_custom_widget_get_title:
+ * @print_custom_widget: a #WebKitPrintCustomWidget
+ *
+ * Return the value of #WebKitPrintCustomWidget:title property for the given
+ * @print_custom_widget object.
+ *
+ * Returns: Title of the @print_custom_widget.
+ *
+ * Since: 2.16
+ */
+const gchar* webkit_print_custom_widget_get_title(WebKitPrintCustomWidget* printCustomWidget)
+{
+    g_return_val_if_fail(WEBKIT_IS_PRINT_CUSTOM_WIDGET(printCustomWidget), nullptr);
+
+    return printCustomWidget->priv->title.data();
+}
+
+void webkitPrintCustomWidgetEmitCustomWidgetApplySignal(WebKitPrintCustomWidget* printCustomWidget)
+{
+    g_signal_emit(printCustomWidget, signals[APPLY], 0);
+    printCustomWidget->priv->widget = nullptr;
+}
+
+void webkitPrintCustomWidgetEmitUpdateCustomWidgetSignal(WebKitPrintCustomWidget *printCustomWidget, GtkPageSetup *pageSetup, GtkPrintSettings *printSettings)
+{
+    g_signal_emit(printCustomWidget, signals[UPDATE], 0, pageSetup, printSettings);
+}