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sugar-toolkit-gtk3/lib/src/sugar-browser.cpp
Marco Pesenti Gritti 581a3a0cb4 Read mozilla prefs from a js file
2006-10-25 15:43:37 +02:00

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/*
* Copyright (C) 2006, Red Hat, Inc.
*
* 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 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#include "sugar-browser.h"
#include "sugar-content-handler.h"
#include <gtkmozembed_internal.h>
#include <nsCOMPtr.h>
#include <nsIPrefService.h>
#include <nsServiceManagerUtils.h>
#include <nsStringAPI.h>
#include <nsILocalFile.h>
#include <nsIWebBrowser.h>
#include <nsIWebBrowserFocus.h>
#include <nsIDOMWindow.h>
#include <nsIGenericFactory.h>
#include <nsIHelperAppLauncherDialog.h>
#include <nsIComponentRegistrar.h>
#include <nsIComponentManager.h>
NS_GENERIC_FACTORY_CONSTRUCTOR(GSugarContentHandler)
enum {
PROP_0,
PROP_PROGRESS,
PROP_TITLE,
PROP_ADDRESS,
PROP_CAN_GO_BACK,
PROP_CAN_GO_FORWARD,
PROP_LOADING
};
static const nsModuleComponentInfo sSugarComponents[] = {
{
"Sugar Content Handler",
G_SUGARCONTENTHANDLER_CID,
NS_IHELPERAPPLAUNCHERDLG_CONTRACTID,
GSugarContentHandlerConstructor
}
};
gboolean
sugar_browser_startup(void)
{
nsresult rv;
nsCOMPtr<nsIPrefService> prefService;
prefService = do_GetService(NS_PREFSERVICE_CONTRACTID);
NS_ENSURE_TRUE(prefService, FALSE);
/* Read our predefined default prefs */
nsCOMPtr<nsILocalFile> file;
NS_NewNativeLocalFile(nsCString(SHARE_DIR"/gecko-prefs.js"),
PR_TRUE, getter_AddRefs(file));
NS_ENSURE_TRUE(file, FALSE);
rv = prefService->ReadUserPrefs (file);
if (NS_FAILED(rv)) {
g_warning ("failed to read default preferences, error: %x", rv);
return FALSE;
}
nsCOMPtr<nsIPrefBranch> pref;
prefService->GetBranch ("", getter_AddRefs(pref));
NS_ENSURE_TRUE(pref, FALSE);
rv = prefService->ReadUserPrefs (nsnull);
if (NS_FAILED(rv)) {
g_warning ("failed to read user preferences, error: %x", rv);
}
/* Register our components */
nsCOMPtr<nsIComponentRegistrar> componentRegistrar;
NS_GetComponentRegistrar(getter_AddRefs(componentRegistrar));
NS_ENSURE_TRUE (componentRegistrar, FALSE);
nsCOMPtr<nsIComponentManager> componentManager;
NS_GetComponentManager (getter_AddRefs (componentManager));
NS_ENSURE_TRUE (componentManager, FALSE);
nsCOMPtr<nsIGenericFactory> componentFactory;
rv = NS_NewGenericFactory(getter_AddRefs(componentFactory),
&(sSugarComponents[0]));
if (NS_FAILED(rv) || !componentFactory) {
g_warning ("Failed to make a factory for %s\n", sSugarComponents[0].mDescription);
return FALSE;
}
rv = componentRegistrar->RegisterFactory(sSugarComponents[0].mCID,
sSugarComponents[0].mDescription,
sSugarComponents[0].mContractID,
componentFactory);
if (NS_FAILED(rv)) {
g_warning ("Failed to register factory for %s\n", sSugarComponents[0].mDescription);
return FALSE;
}
if (sSugarComponents[0].mRegisterSelfProc) {
rv = sSugarComponents[0].mRegisterSelfProc(componentManager, nsnull,
nsnull, nsnull,
&sSugarComponents[0]);
if (NS_FAILED(rv)) {
g_warning ("Failed to register-self for %s\n", sSugarComponents[0].mDescription);
return FALSE;
}
}
return 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;
case PROP_LOADING:
g_value_set_boolean(value, browser->loading);
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));
g_object_class_install_property (gobject_class, PROP_LOADING,
g_param_spec_boolean ("loading",
"Loading",
"Loading",
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);
gboolean can_go_back;
gboolean can_go_forward;
can_go_back = gtk_moz_embed_can_go_back(embed);
if (can_go_back != browser->can_go_back) {
browser->can_go_back = can_go_back;
g_object_notify (G_OBJECT(browser), "can-go-back");
}
can_go_forward = gtk_moz_embed_can_go_forward(embed);
if (can_go_forward != browser->can_go_forward) {
browser->can_go_forward = can_go_forward;
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
sugar_browser_set_loading(SugarBrowser *browser, gboolean loading)
{
g_return_if_fail(SUGAR_IS_BROWSER(browser));
browser->loading = loading;
g_object_notify (G_OBJECT(browser), "loading");
}
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;
sugar_browser_set_progress(browser, 0.03);
sugar_browser_set_loading(browser, TRUE);
} else if (state & GTK_MOZ_EMBED_FLAG_STOP) {
sugar_browser_set_progress(browser, 100.0);
sugar_browser_set_loading(browser, FALSE);
}
}
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");
update_navigation_properties(browser);
}
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);
}
void
sugar_browser_scroll_pixels(SugarBrowser *browser,
int dx,
int dy)
{
nsCOMPtr<nsIWebBrowser> webBrowser;
gtk_moz_embed_get_nsIWebBrowser (GTK_MOZ_EMBED(browser),
getter_AddRefs(webBrowser));
NS_ENSURE_TRUE (webBrowser, );
nsCOMPtr<nsIWebBrowserFocus> webBrowserFocus;
webBrowserFocus = do_QueryInterface (webBrowser);
NS_ENSURE_TRUE (webBrowserFocus, );
nsCOMPtr<nsIDOMWindow> DOMWindow;
webBrowserFocus->GetFocusedWindow (getter_AddRefs(DOMWindow));
if (!DOMWindow) {
webBrowser->GetContentDOMWindow (getter_AddRefs (DOMWindow));
}
NS_ENSURE_TRUE (DOMWindow, );
DOMWindow->ScrollBy (dx, dy);
}
void
sugar_browser_grab_focus(SugarBrowser *browser)
{
GtkWidget *child;
child = gtk_bin_get_child(GTK_BIN(browser));
if (child != NULL) {
gtk_widget_grab_focus (child);
} else {
g_warning ("Need to realize the embed before grabbing focus!\n");
}
}
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