embed/mozilla/.svn/text-base/GlobalHistory.cpp.svn-base

   1 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
   2 /*
   3  *  Copyright © 2001, 2004 Philip Langdale
   4  *  Copyright © 2004 Christian Persch
   5  *
   6  *  This program is free software; you can redistribute it and/or modify
   7  *  it under the terms of the GNU General Public License as published by
   8  *  the Free Software Foundation; either version 2, or (at your option)
   9  *  any later version.
  10  *
  11  *  This program is distributed in the hope that it will be useful,
  12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *  GNU General Public License for more details.
  15  *
  16  *  You should have received a copy of the GNU General Public License
  17  *  along with this program; if not, write to the Free Software
  18  *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  19  *
  20  *  $Id$
  21  */
  22
  23 #include "mozilla-config.h"
  24 #include "config.h"
  25
  26 #include <nsStringAPI.h>
  27
  28 #include <nsIURI.h>
  29
  30 #include "ephy-embed-shell.h"
  31
  32 #include "GlobalHistory.h"
  33
  34
  35 #define MAX_TITLE_LENGTH        2048
  36 #define MAX_URL_LENGTH          16384
  37
  38 #ifdef HAVE_NSIGLOBALHISTORY3_H
  39 NS_IMPL_ISUPPORTS2 (MozGlobalHistory, nsIGlobalHistory2, nsIGlobalHistory3)
  40 #else
  41 NS_IMPL_ISUPPORTS1 (MozGlobalHistory, nsIGlobalHistory2)
  42 #endif /* HAVE_NSIGLOBALHISTORY3_H */
  43
  44 MozGlobalHistory::MozGlobalHistory ()
  45 {
  46         mGlobalHistory = EPHY_HISTORY (ephy_embed_shell_get_global_history (embed_shell));
  47
  48         mHistoryListener = new EphyHistoryListener ();
  49         mHistoryListener->Init (mGlobalHistory);
  50 }
  51
  52 MozGlobalHistory::~MozGlobalHistory ()
  53 {
  54 }
  55
  56 /* void addURI (in nsIURI aURI, in boolean aRedirect, in boolean aToplevel, in nsIURI aReferrer); */
  57 NS_IMETHODIMP MozGlobalHistory::AddURI(nsIURI *aURI,
  58                                        PRBool aRedirect,
  59                                        PRBool aToplevel,
  60                                        nsIURI *aReferrer)
  61 {
  62         nsresult rv;
  63
  64         NS_ENSURE_ARG (aURI);
  65
  66         // filter out unwanted URIs such as chrome: etc
  67         // The model is really if we don't know differently then add which basically
  68         // means we are suppose to try all the things we know not to allow in and
  69         // then if we don't bail go on and allow it in.  But here lets compare
  70         // against the most common case we know to allow in and go on and say yes
  71         // to it.
  72
  73         PRBool isHTTP = PR_FALSE, isHTTPS = PR_FALSE;
  74         rv = aURI->SchemeIs("http", &isHTTP);
  75         rv |= aURI->SchemeIs("https", &isHTTPS);
  76         NS_ENSURE_SUCCESS (rv, NS_ERROR_FAILURE);
  77
  78         if (!isHTTP && !isHTTPS)
  79         {
  80                 static const char *schemes[] = { "javascript",
  81                                                  "data",
  82                                                  "about",
  83                                                  "chrome",
  84                                                  "resource",
  85                                                  "view-source" };
  86
  87                 for (PRUint32 i = 0; i < G_N_ELEMENTS (schemes); ++i)
  88                 {
  89                         PRBool result = PR_FALSE;
  90                         if (NS_SUCCEEDED (aURI->SchemeIs (schemes[i], &result)) && result)
  91                         {
  92                                 return NS_OK;
  93                         }
  94                 }
  95         }
  96
  97         nsCString spec;
  98         rv = aURI->GetSpec(spec);
  99         NS_ENSURE_TRUE (NS_SUCCEEDED(rv) && spec.Length(), rv);
 100
 101         if (spec.Length () > MAX_URL_LENGTH) return NS_OK;
 102
 103         ephy_history_add_page (mGlobalHistory, spec.get(), aRedirect, aToplevel);
 104
 105         return NS_OK;
 106 }
 107
 108 /* boolean isVisited (in nsIURI aURI); */
 109 NS_IMETHODIMP MozGlobalHistory::IsVisited(nsIURI *aURI,
 110                                           PRBool *_retval)
 111 {
 112         NS_ENSURE_ARG (aURI);
 113
 114         *_retval = PR_FALSE;
 115
 116         nsCString spec;
 117         aURI->GetSpec(spec);
 118
 119         if (spec.Length () > MAX_URL_LENGTH) return NS_OK;
 120
 121         *_retval = ephy_history_is_page_visited (mGlobalHistory, spec.get());
 122
 123         return NS_OK;
 124 }
 125
 126 /* void setPageTitle (in nsIURI aURI, in AString aTitle); */
 127 NS_IMETHODIMP MozGlobalHistory::SetPageTitle(nsIURI *aURI,
 128                                              const nsAString & aTitle)
 129 {
 130         NS_ENSURE_ARG (aURI);
 131
 132         nsCString spec;
 133         aURI->GetSpec(spec);
 134
 135         if (spec.Length () > MAX_URL_LENGTH) return NS_OK;
 136
 137         nsString uTitle (aTitle);
 138
 139         /* This depends on the assumption that
 140          * typeof(PRUnichar) == typeof (gunichar2) == uint16,
 141          * which should be pretty safe.
 142          */
 143         glong n_read = 0, n_written = 0;
 144         char *converted = g_utf16_to_utf8 ((gunichar2*) uTitle.get(), MAX_TITLE_LENGTH,
 145                                             &n_read, &n_written, NULL);
 146         /* FIXME loop from the end while !g_unichar_isspace (char)? */
 147         if (converted == NULL) return NS_OK;
 148
 149         ephy_history_set_page_title (mGlobalHistory, spec.get(), converted);
 150
 151         g_free (converted);
 152
 153         return NS_OK;
 154 }
 155
 156 #ifdef HAVE_NSIGLOBALHISTORY3_H
 157
 158 #ifdef HAVE_GECKO_1_9
 159
 160 /* unsigned long getURIGeckoFlags(in nsIURI aURI); */
 161 NS_IMETHODIMP
 162 MozGlobalHistory::GetURIGeckoFlags(nsIURI *aURI,
 163                                    PRUint32* aFlags)
 164 {
 165         *aFlags = 0;
 166
 167         nsCString spec;
 168         aURI->GetSpec(spec);
 169
 170         if (spec.Length () > MAX_URL_LENGTH) return NS_OK;
 171
 172         EphyNode *page = ephy_history_get_page (mGlobalHistory, spec.get());
 173
 174         GValue value = { 0, };
 175         if (page != NULL &&
 176             ephy_node_get_property (page, EPHY_NODE_PAGE_PROP_GECKO_FLAGS, &value))
 177         {
 178                 *aFlags = (PRUint32) (gulong) g_value_get_long (&value);
 179                 g_value_unset (&value);
 180
 181                 return NS_OK;
 182         }
 183
 184         return NS_ERROR_FAILURE;
 185 }
 186
 187 /* void setURIGeckoFlags(in nsIURI aURI, in unsigned long aFlags); */
 188 NS_IMETHODIMP
 189 MozGlobalHistory::SetURIGeckoFlags(nsIURI *aURI,
 190                                    PRUint32 aFlags)
 191 {
 192         nsCString spec;
 193         aURI->GetSpec(spec);
 194
 195         if (spec.Length () > MAX_URL_LENGTH) return NS_OK;
 196
 197         EphyNode *page = ephy_history_get_page (mGlobalHistory, spec.get());
 198         if (page != NULL)
 199         {
 200                 ephy_node_set_property_long (page,
 201                                              EPHY_NODE_PAGE_PROP_GECKO_FLAGS,
 202                                              aFlags);
 203                 return NS_OK;
 204         }
 205
 206         return NS_ERROR_FAILURE;
 207 }
 208
 209 #endif /* HAVE_GECKO_1_9 */
 210
 211 /* void addDocumentRedirect (in nsIChannel
 212                              aOldChannel,
 213                              in nsIChannel aNewChannel,
 214                              in PRInt32 aFlags,
 215                              in boolean aTopLevel); */
 216 NS_IMETHODIMP
 217 MozGlobalHistory::AddDocumentRedirect(nsIChannel *aOldChannel,
 218                                       nsIChannel *aNewChannel,
 219                                       PRInt32 aFlags,
 220                                       PRBool aTopLevel)
 221 {
 222     return NS_ERROR_NOT_IMPLEMENTED;
 223 }
 224
 225 #endif /* HAVE_NSIGLOBALHISTORY3_H */