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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/ui/gtk/custom_drag.h"
#include "ui/base/dragdrop/gtk_dnd_util.h"
#include "ui/gfx/image/image.h"
CustomDrag::CustomDrag(gfx::Image* icon, int code_mask, GdkDragAction action)
: drag_widget_(gtk_invisible_new()),
image_(icon) {
g_signal_connect(drag_widget_, "drag-data-get",
G_CALLBACK(OnDragDataGetThunk), this);
g_signal_connect(drag_widget_, "drag-begin",
G_CALLBACK(OnDragBeginThunk), this);
g_signal_connect(drag_widget_, "drag-end",
G_CALLBACK(OnDragEndThunk), this);
GtkTargetList* list = ui::GetTargetListFromCodeMask(code_mask);
GdkEvent* event = gtk_get_current_event();
gtk_drag_begin(drag_widget_, list, action, 1, event);
if (event)
gdk_event_free(event);
gtk_target_list_unref(list);
}
CustomDrag::~CustomDrag() {
gtk_widget_destroy(drag_widget_);
}
void CustomDrag::OnDragBegin(GtkWidget* widget, GdkDragContext* drag_context) {
if (image_)
gtk_drag_set_icon_pixbuf(drag_context, image_->ToGdkPixbuf(), 0, 0);
}
void CustomDrag::OnDragEnd(GtkWidget* widget, GdkDragContext* drag_context) {
delete this;
}
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