/*

 * Copyright (C) 2009 Igalia S.L.

 *

 * 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 2,1 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 <errno.h>

#include <unistd.h>

#include <glib/gstdio.h>

#include <webkit/webkit.h>

#if GTK_CHECK_VERSION(2, 14, 0)

typedef struct {

  char* data;

  guint flag;

} TestInfo;

static GMainLoop* loop;

typedef struct {

    WebKitWebView* webView;

    TestInfo* info;

} HitTestResultFixture;

TestInfo*

test_info_new(const char* data, guint flag)

{

    TestInfo* info;

    info = g_slice_new(TestInfo);

    info->data = g_strdup(data);

    info->flag = flag;

    return info;

}

void

test_info_destroy(TestInfo* info)

{

    g_free(info->data);

    g_slice_free(TestInfo, info);

}

static void hit_test_result_fixture_setup(HitTestResultFixture* fixture, gconstpointer data)

{

    fixture->webView = WEBKIT_WEB_VIEW(webkit_web_view_new());

    g_object_ref_sink(fixture->webView);

    loop = g_main_loop_new(NULL, TRUE);

    fixture->info = (TestInfo*)data;

}

static void hit_test_result_fixture_teardown(HitTestResultFixture* fixture, gconstpointer data)

{

    g_object_unref(fixture->webView);

    g_main_loop_unref(loop);

    test_info_destroy(fixture->info);

}

static void

load_status_cb(WebKitWebView* webView,

               GParamSpec* spec,

               gpointer data)

{

    WebKitLoadStatus status = webkit_web_view_get_load_status(webView);

    TestInfo* info = (TestInfo*)data;

    if (status == WEBKIT_LOAD_FINISHED) {

        WebKitHitTestResult* result;

        guint context;

        GdkEventButton event;

        WebKitDOMNode* node;

        event.type = GDK_BUTTON_PRESS;

        /* Close enough to 0,0 */

        event.x = 5;

        event.y = 5;

        result = webkit_web_view_get_hit_test_result(webView, &event);

        g_assert(result);

        g_object_get(result, "context", &context, NULL);

        g_assert(context & info->flag);

        g_object_get(result, "inner-node", &node, NULL);

        g_assert(node);

        g_assert(WEBKIT_DOM_IS_NODE(node));

        /* We can only test these node types at the moment. In the

         * input case there seems to be an extra layer with a DIV on

         * top of the input, which gets assigned to the inner-node.

         * tag */

        if (info->flag == WEBKIT_HIT_TEST_RESULT_CONTEXT_DOCUMENT)

            g_assert(WEBKIT_DOM_IS_HTML_HTML_ELEMENT(node));

        else if (info->flag == WEBKIT_HIT_TEST_RESULT_CONTEXT_IMAGE)

            g_assert(WEBKIT_DOM_IS_HTML_IMAGE_ELEMENT(node));

        else if (info->flag == WEBKIT_HIT_TEST_RESULT_CONTEXT_LINK) {

            /* The hit test will give us the inner text node, we want

             * the A tag */

            WebKitDOMNode* parent = webkit_dom_node_get_parent_node(node);

            g_assert(WEBKIT_DOM_IS_HTML_ANCHOR_ELEMENT(parent));

        }

        g_object_unref(result);

        g_main_loop_quit(loop);

    }

}

static void

test_webkit_hit_test_result(HitTestResultFixture* fixture, gconstpointer data)

{

    TestInfo* info = (TestInfo*)data;

    GtkAllocation allocation = { 0, 0, 50, 50 };

    webkit_web_view_load_string(fixture->webView,

                                info->data,

                                "text/html",

                                "utf-8",

                                "file://");

    gtk_widget_size_allocate(GTK_WIDGET(fixture->webView), &allocation);

    g_signal_connect(fixture->webView, "notify::load-status", G_CALLBACK(load_status_cb), info);

    g_main_loop_run(loop);

}

int main(int argc, char** argv)

{

    g_thread_init(NULL);

    gtk_test_init(&argc, &argv, NULL);

    g_test_bug_base("https://bugs.webkit.org/");

    g_test_add("/webkit/hittestresult/document", HitTestResultFixture, 

               test_info_new("<html><body><h1>WebKitGTK+!</h1></body></html>",

                             WEBKIT_HIT_TEST_RESULT_CONTEXT_DOCUMENT),

               hit_test_result_fixture_setup, test_webkit_hit_test_result, hit_test_result_fixture_teardown);

    /* We hardcode all elements to be at 0,0 so that we know where to

     * generate the button events */

    g_test_add("/webkit/hittestresult/image", HitTestResultFixture,

               test_info_new("<html><body><img style='position:absolute; left:0; top:0'src='0xdeadbeef' width=50 height=50></img></body></html>",

                             WEBKIT_HIT_TEST_RESULT_CONTEXT_IMAGE),

               hit_test_result_fixture_setup, test_webkit_hit_test_result, hit_test_result_fixture_teardown);

    g_test_add("/webkit/hittestresult/editable", HitTestResultFixture,

               test_info_new("<html><body><input style='position:absolute; left:0; top:0' size='35'></input>></body></html>",

                             WEBKIT_HIT_TEST_RESULT_CONTEXT_EDITABLE),

               hit_test_result_fixture_setup, test_webkit_hit_test_result, hit_test_result_fixture_teardown);

    g_test_add("/webkit/hittestresult/link", HitTestResultFixture,

               test_info_new("<html><body><a style='position:absolute; left:0; top:0' href='http://www.example.com'>HELLO WORLD</a></body></html>",

                             WEBKIT_HIT_TEST_RESULT_CONTEXT_LINK),

               hit_test_result_fixture_setup, test_webkit_hit_test_result, hit_test_result_fixture_teardown);

    return g_test_run ();

}

#else

int main(int argc, char** argv)

{

    g_critical("You will need at least GTK+ 2.14.0 to run the unit tests.");

    return 0;

}

#endif