The Tor Browser: image/decoders/icon/nsIconProtocolHandler.cpp@ac0c01689b40

Implement a real Private Browsing Mode condition by changing the API/ABI;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.

     1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 4 -*-

     2  *

     3  * This Source Code Form is subject to the terms of the Mozilla Public

     4  * License, v. 2.0. If a copy of the MPL was not distributed with this

     5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

     7 #include "nsIconChannel.h"

     8 #include "nsIconURI.h"

     9 #include "nsIconProtocolHandler.h"

    10 #include "nsIURL.h"

    11 #include "nsCRT.h"

    12 #include "nsCOMPtr.h"

    13 #include "nsIComponentManager.h"

    14 #include "nsIServiceManager.h"

    15 #include "nsNetCID.h"

    17 ////////////////////////////////////////////////////////////////////////////////

    19 nsIconProtocolHandler::nsIconProtocolHandler()

    20 {

    21 }

    23 nsIconProtocolHandler::~nsIconProtocolHandler()

    24 {}

    26 NS_IMPL_ISUPPORTS(nsIconProtocolHandler, nsIProtocolHandler, nsISupportsWeakReference)

    29 ////////////////////////////////////////////////////////////////////////////////

    30 // nsIProtocolHandler methods:

    32 NS_IMETHODIMP nsIconProtocolHandler::GetScheme(nsACString &result)

    33 {

    34   result = "moz-icon";

    35   return NS_OK;

    36 }

    38 NS_IMETHODIMP nsIconProtocolHandler::GetDefaultPort(int32_t *result)

    39 {

    40   *result = 0;

    41   return NS_OK;

    42 }

    44 NS_IMETHODIMP nsIconProtocolHandler::AllowPort(int32_t port, const char *scheme, bool *_retval)

    45 {

    46     // don't override anything.

    47     *_retval = false;

    48     return NS_OK;

    49 }

    51 NS_IMETHODIMP nsIconProtocolHandler::GetProtocolFlags(uint32_t *result)

    52 {

    53   *result = URI_NORELATIVE | URI_NOAUTH | URI_IS_UI_RESOURCE |

    54             URI_IS_LOCAL_RESOURCE;

    55   return NS_OK;

    56 }

    58 NS_IMETHODIMP nsIconProtocolHandler::NewURI(const nsACString &aSpec,

    59                                             const char *aOriginCharset, // ignored

    60                                             nsIURI *aBaseURI,

    61                                             nsIURI **result)

    62 {

    64   nsCOMPtr<nsIURI> uri = new nsMozIconURI();

    65   if (!uri) return NS_ERROR_OUT_OF_MEMORY;

    67   nsresult rv = uri->SetSpec(aSpec);

    68   if (NS_FAILED(rv)) return rv;

    70   NS_ADDREF(*result = uri);

    71   return NS_OK;

    72 }

    74 NS_IMETHODIMP nsIconProtocolHandler::NewChannel(nsIURI* url, nsIChannel* *result)

    75 {

    76   NS_ENSURE_ARG_POINTER(url);

    77   nsIconChannel* channel = new nsIconChannel;

    78   if (!channel)

    79     return NS_ERROR_OUT_OF_MEMORY;

    80   NS_ADDREF(channel);

    82   nsresult rv = channel->Init(url);

    83   if (NS_FAILED(rv)) {

    84     NS_RELEASE(channel);

    85     return rv;

    86   }

    88   *result = channel;

    89   return NS_OK;

    90 }

    92 ////////////////////////////////////////////////////////////////////////////////

The Tor Browser / file revision

image/decoders/icon/nsIconProtocolHandler.cpp@ac0c01689b40

image/decoders/icon/nsIconProtocolHandler.cpp