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path: root/lib/src/sugar-browser.cpp
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/* 
 * Copyright (C) 2006 Red Hat, Inc
 *
 * Sugar 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 2 of the License, or
 * (at your option) any later version.
 *
 * Sugar 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, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
 */

#include "sugar-browser.h"

#include <nsCOMPtr.h>
#include <nsIPrefService.h>
#include <nsServiceManagerUtils.h>

enum {
	PROP_0,
	PROP_PROGRESS,
	PROP_TITLE,
	PROP_ADDRESS,
	PROP_CAN_GO_BACK,
	PROP_CAN_GO_FORWARD
};

void
sugar_browser_startup(void)
{
	nsCOMPtr<nsIPrefService> prefService;

	prefService = do_GetService(NS_PREFSERVICE_CONTRACTID);
	NS_ENSURE_TRUE(prefService, );

	nsCOMPtr<nsIPrefBranch> pref;
	prefService->GetBranch("", getter_AddRefs(pref));
	NS_ENSURE_TRUE(pref, );

	pref->SetBoolPref ("dom.disable_open_during_load", TRUE);
} 

G_DEFINE_TYPE(SugarBrowser, sugar_browser, GTK_TYPE_MOZ_EMBED)

static void
sugar_browser_get_property(GObject         *object,
						   guint            prop_id,
						   GValue          *value,
						   GParamSpec      *pspec)
{
	SugarBrowser *browser = SUGAR_BROWSER(object);

	switch (prop_id) {
	    case PROP_PROGRESS:
			g_value_set_double(value, browser->progress);
		break;
	    case PROP_ADDRESS:
			g_value_set_string(value, browser->address);
		break;
	    case PROP_TITLE:
			g_value_set_string(value, browser->title);
		break;
	    case PROP_CAN_GO_BACK:
			g_value_set_boolean(value, browser->can_go_back);
		break;
	    case PROP_CAN_GO_FORWARD:
			g_value_set_boolean(value, browser->can_go_forward);
		break;
		default:
			G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
		break;
	}
}


static void
sugar_browser_class_init(SugarBrowserClass *browser_class)
{
	GObjectClass *gobject_class = G_OBJECT_CLASS(browser_class);

	gobject_class->get_property = sugar_browser_get_property;

	g_object_class_install_property(gobject_class, PROP_PROGRESS,
                                    g_param_spec_double ("progress",
                                                         "Progress",
                                                         "Progress",
                                                         0.0, 1.0, 0.0,
                                                         G_PARAM_READABLE));

	g_object_class_install_property (gobject_class, PROP_ADDRESS,
									 g_param_spec_string ("address",
														  "Address",
														  "Address",
                                                          "",
														  G_PARAM_READABLE));

	g_object_class_install_property (gobject_class, PROP_TITLE,
									 g_param_spec_string ("title",
														  "Title",
														  "Title",
                                                          "",
														  G_PARAM_READABLE));

	g_object_class_install_property (gobject_class, PROP_CAN_GO_BACK,
									 g_param_spec_boolean ("can-go-back",
														   "Can go back",
														   "Can go back",
														   FALSE,
														   G_PARAM_READABLE));

	g_object_class_install_property (gobject_class, PROP_CAN_GO_FORWARD,
									 g_param_spec_boolean ("can-go-forward",
														   "Can go forward",
														   "Can go forward",
														   FALSE,
														   G_PARAM_READABLE));
}

SugarBrowser *
sugar_browser_create_window(SugarBrowser *browser)
{
	return SUGAR_BROWSER_GET_CLASS(browser)->create_window(browser);
}

static void
update_navigation_properties(SugarBrowser *browser)
{
	GtkMozEmbed *embed = GTK_MOZ_EMBED(browser);

	browser->can_go_back = gtk_moz_embed_can_go_back(embed);
	g_object_notify (G_OBJECT(browser), "can_go_back");

	browser->can_go_forward = gtk_moz_embed_can_go_forward(embed);
	g_object_notify (G_OBJECT(browser), "can_go_forward");
}

static void
new_window_cb(GtkMozEmbed  *embed,
			  GtkMozEmbed **newEmbed,
              guint         chromemask)
{
	SugarBrowser *browser;

	browser = sugar_browser_create_window(SUGAR_BROWSER(embed));

	*newEmbed = GTK_MOZ_EMBED(browser);
}

static void
sugar_browser_set_progress(SugarBrowser *browser, float progress)
{
	g_return_if_fail(SUGAR_IS_BROWSER(browser));

	browser->progress = progress;
	g_object_notify (G_OBJECT(browser), "progress");
}

static void
net_state_cb(GtkMozEmbed *embed, const char *aURI, gint state, guint status)
{
	SugarBrowser *browser = SUGAR_BROWSER(embed);

	if (state & GTK_MOZ_EMBED_FLAG_IS_NETWORK) {
		if (state & GTK_MOZ_EMBED_FLAG_START) {
			browser->total_requests = 0;
			browser->current_requests = 0;
			browser->progress = 0.0;
		}

		update_navigation_properties(browser);
	}

	if (state & GTK_MOZ_EMBED_FLAG_IS_REQUEST) {
		float progress;

		if (state & GTK_MOZ_EMBED_FLAG_START) {
			browser->total_requests++;
		}
		else if (state & GTK_MOZ_EMBED_FLAG_STOP)
		{
			browser->current_requests++;
		}

		progress = float(browser->current_requests) /
				   float(browser->total_requests);
		if (progress > browser->progress) {
			sugar_browser_set_progress(browser, progress);
		}
	}
}

static void
title_cb(GtkMozEmbed *embed)
{
	SugarBrowser *browser = SUGAR_BROWSER(embed);

	g_free(browser->title);
	browser->title = gtk_moz_embed_get_title(embed);

	g_object_notify (G_OBJECT(browser), "title");
}

static void
location_cb(GtkMozEmbed *embed)
{
	SugarBrowser *browser = SUGAR_BROWSER(embed);

	g_free(browser->address);
	browser->address = gtk_moz_embed_get_location(embed);

	g_object_notify (G_OBJECT(browser), "address");
}

static void
sugar_browser_init(SugarBrowser *browser)
{
	browser->title = NULL;
	browser->address = NULL;
	browser->progress = 0.0;

	g_signal_connect(G_OBJECT(browser), "new-window",
					 G_CALLBACK(new_window_cb), NULL);
	g_signal_connect(G_OBJECT(browser), "net-state-all",
					 G_CALLBACK(net_state_cb), NULL);
	g_signal_connect(G_OBJECT(browser), "title",
					 G_CALLBACK(title_cb), NULL);
	g_signal_connect(G_OBJECT(browser), "location",
					 G_CALLBACK(location_cb), NULL);
}