/*

* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of the License "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description:  

*

*/

#include "webkitgtkpage.h"

#include "webkitgtkglobal.h"

#include <gtk/gtk.h>

#include <string.h>

static GtkWidget* gURLBarEntry;

static GtkWidget* gTopLevelWindow;

static GtkStatusbar* gStatusbar;

static WebKitPage* gPage;

static gchar* gTitle;

static gint gProgress;

static guint gStatusbarContextId;

static bool stringIsEqual(const char* str1, const char* str2)

{

    return 0 == strcmp(str1, str2);

}

static gchar* autocorrectURL(const gchar* url)

{

    if (strncmp("http://", url, 7) != 0 && strncmp("https://", url, 8) != 0 && strncmp("file://", url, 7) != 0 && strncmp("ftp://", url, 6) != 0) {

        GString* string = g_string_new("http://");

        g_string_append(string, url);

        return g_string_free(string, FALSE);

    }

    return g_strdup(url);

}

static void goToURLBarText(GtkWidget* urlBarEntry)

{

    const gchar* url = gtk_entry_get_text(GTK_ENTRY(urlBarEntry));

    if (!url || strlen(url) == 0)

        return;

    gchar* parsedURL = autocorrectURL(url);

    webkit_page_open(gPage, parsedURL);

    g_free(parsedURL);

}

static void goButtonClickedCallback(GtkWidget*, GtkWidget* entry)

{

    goToURLBarText(entry);

}

static void urlBarEnterCallback(GtkWidget*, GtkWidget* entry)

{

    goToURLBarText(entry);

}

static void updateWindowTitle()

{

    GString* string = g_string_new(NULL);

    g_string_printf(string, "GtkLauncher %s  (%d/100)", gTitle, gProgress);

    gchar* title = g_string_free(string, FALSE);

    gtk_window_set_title(GTK_WINDOW(gTopLevelWindow), title);

    g_free(title);

}

static void hoveringOverLink(WebKitPage*, const gchar*, const gchar* link, void*)

{

    // underflow is allowed

    gtk_statusbar_pop(gStatusbar, gStatusbarContextId);

    if (link)

        gtk_statusbar_push(gStatusbar, gStatusbarContextId, link);

}

static void titleChanged(WebKitPage*, const gchar* title, const gchar* url, WebKitPage*)

{

    gtk_entry_set_text(GTK_ENTRY(gURLBarEntry), url);

    if (gTitle)

        g_free(gTitle);

    gTitle = g_strdup(title);

    updateWindowTitle();

}

static void progressChanged(WebKitPage*, gint progress, WebKitPage*)

{

    gProgress = progress;

    updateWindowTitle();

}

static void frameDestroyCallback(GtkWidget*, gpointer)

{

    gtk_main_quit();

}

static void menuMainBackCallback(gpointer data)

{

    g_assert(!data);

    webkit_page_go_backward(gPage);

}

static void menuMainForwardCallback(gpointer data)

{

    g_assert(!data);

    webkit_page_go_forward(gPage);

}

static void menuMainQuitCallback(gpointer)

{

    gtk_main_quit();

}

int main(int argc, char* argv[]) 

{

    gtk_init(&argc, &argv);

    webkit_init();

    gchar* url = "http://www.google.com";

    bool exitAfterLoading = false;

    bool dumpRenderTree = false;

    for (int argPos = 1; argPos < argc; ++argPos) {

        char *currArg = argv[argPos];

        if (stringIsEqual(currArg, "-exit-after-loading"))

            exitAfterLoading = true;

        else if (stringIsEqual(currArg, "-exitafterloading"))

            exitAfterLoading = true;

        else if (stringIsEqual(currArg, "-exitafterload"))

            exitAfterLoading = true;

        else if (stringIsEqual(currArg, "-exit-after-load"))

            exitAfterLoading = true;

        else if (stringIsEqual(currArg, "-drt"))

            dumpRenderTree = true;

        else if (stringIsEqual(currArg, "-dump-render-tree"))

            dumpRenderTree = true;

        else if (stringIsEqual(currArg, "-dumprendertree"))

            dumpRenderTree = true;

        else

            url = autocorrectURL(currArg);

    }

    GtkWidget* menuMain = gtk_menu_new();

    GtkWidget* menuMainBack = gtk_menu_item_new_with_label("Back");

    gtk_menu_shell_append(GTK_MENU_SHELL(menuMain), menuMainBack);

    g_signal_connect_swapped(G_OBJECT(menuMainBack), "activate", G_CALLBACK(menuMainBackCallback), NULL);

    gtk_widget_show(menuMainBack);

    GtkWidget* menuMainForward = gtk_menu_item_new_with_label("Forward");

    gtk_menu_shell_append(GTK_MENU_SHELL(menuMain), menuMainForward);

    g_signal_connect_swapped(G_OBJECT(menuMainForward), "activate", G_CALLBACK(menuMainForwardCallback), NULL);

    gtk_widget_show(menuMainForward);

    GtkWidget* menuMainQuit = gtk_menu_item_new_with_label("Quit");

    gtk_menu_shell_append(GTK_MENU_SHELL(menuMain), menuMainQuit);

    g_signal_connect_swapped(G_OBJECT(menuMainQuit), "activate", G_CALLBACK(menuMainQuitCallback), NULL);

    gtk_widget_show(menuMainQuit);

    GtkWidget* menuMainRoot = gtk_menu_item_new_with_label("Main");

    gtk_widget_show(menuMainRoot);

    gtk_menu_item_set_submenu(GTK_MENU_ITEM(menuMainRoot), menuMain);

    GtkWidget* menuBar = gtk_menu_bar_new();

    gtk_menu_shell_append(GTK_MENU_SHELL(menuBar), menuMainRoot);

    gTopLevelWindow = gtk_window_new(GTK_WINDOW_TOPLEVEL);

    gtk_window_set_default_size(GTK_WINDOW(gTopLevelWindow), 800, 600);

    gtk_widget_set_name(gTopLevelWindow, "GtkLauncher");

    GtkWidget* vbox = gtk_vbox_new(FALSE, 0);

    gtk_container_add(GTK_CONTAINER(gTopLevelWindow), vbox);

    g_signal_connect(G_OBJECT(gTopLevelWindow), "destroy", G_CALLBACK(frameDestroyCallback), NULL);

    GtkWidget* hbox = gtk_hbox_new(FALSE, 2);

    gtk_box_pack_start(GTK_BOX(vbox), menuBar, FALSE, FALSE, 0);

    gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, FALSE, 0);

    gURLBarEntry = gtk_entry_new();

    g_signal_connect(G_OBJECT(gURLBarEntry), "activate", G_CALLBACK(urlBarEnterCallback), (gpointer)gURLBarEntry);

    gtk_box_pack_start(GTK_BOX(hbox), gURLBarEntry, TRUE, TRUE, 0);

    GtkWidget* urlBarSubmitButton = gtk_button_new_with_label("Go");  

    gtk_box_pack_start(GTK_BOX(hbox), urlBarSubmitButton, FALSE, FALSE, 0);

    g_signal_connect(G_OBJECT(urlBarSubmitButton), "clicked", G_CALLBACK(goButtonClickedCallback), (gpointer)gURLBarEntry);

    gtk_widget_show(vbox);

    GtkWidget* scrolledWindow = gtk_scrolled_window_new(NULL,NULL);

    gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledWindow),

                                   GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);

    gPage = WEBKIT_PAGE(webkit_page_new());

    gtk_container_add(GTK_CONTAINER(scrolledWindow), GTK_WIDGET(gPage));

    gtk_box_pack_start(GTK_BOX(vbox), scrolledWindow, TRUE, TRUE, 0);

    gStatusbar = GTK_STATUSBAR(gtk_statusbar_new());

    gStatusbarContextId = gtk_statusbar_get_context_id(gStatusbar, "Link Hover");

    gtk_box_pack_start(GTK_BOX(vbox), GTK_WIDGET(gStatusbar), FALSE, FALSE, 0); 

    g_signal_connect(gPage, "title-changed", G_CALLBACK(titleChanged), gPage);

    g_signal_connect(gPage, "load-progress-changed", G_CALLBACK(progressChanged), gPage);

    g_signal_connect(gPage, "hovering-over-link", G_CALLBACK(hoveringOverLink), gPage);

    webkit_page_open(gPage, url);

    gtk_widget_show_all(gTopLevelWindow);

    gtk_main();

    return 0;

}