1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/uriloader/exthandler/unix/nsGNOMERegistry.cpp Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,175 @@
1.4 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.8 +
1.9 +#include "nsGNOMERegistry.h"
1.10 +#include "nsString.h"
1.11 +#include "nsIComponentManager.h"
1.12 +#include "nsIFile.h"
1.13 +#include "nsMIMEInfoUnix.h"
1.14 +#include "nsAutoPtr.h"
1.15 +#include "nsIGConfService.h"
1.16 +#include "nsIGnomeVFSService.h"
1.17 +#include "nsIGIOService.h"
1.18 +
1.19 +#ifdef MOZ_WIDGET_GTK
1.20 +#include <glib.h>
1.21 +#include <glib-object.h>
1.22 +#endif
1.23 +
1.24 +/* static */ bool
1.25 +nsGNOMERegistry::HandlerExists(const char *aProtocolScheme)
1.26 +{
1.27 + nsCOMPtr<nsIGIOService> giovfs = do_GetService(NS_GIOSERVICE_CONTRACTID);
1.28 + nsCOMPtr<nsIGConfService> gconf = do_GetService(NS_GCONFSERVICE_CONTRACTID);
1.29 + if (giovfs) {
1.30 + nsCOMPtr<nsIGIOMimeApp> app;
1.31 + if (NS_FAILED(giovfs->GetAppForURIScheme(nsDependentCString(aProtocolScheme),
1.32 + getter_AddRefs(app))))
1.33 + return false;
1.34 + else
1.35 + return true;
1.36 + } else if (gconf) {
1.37 + bool isEnabled;
1.38 + nsAutoCString handler;
1.39 + if (NS_FAILED(gconf->GetAppForProtocol(nsDependentCString(aProtocolScheme), &isEnabled, handler)))
1.40 + return false;
1.41 +
1.42 + return isEnabled;
1.43 + }
1.44 +
1.45 + return false;
1.46 +}
1.47 +
1.48 +// XXX Check HandlerExists() before calling LoadURL.
1.49 +//
1.50 +// If there is not a registered handler for the protocol, gnome_url_show()
1.51 +// falls back to using gnomevfs modules. See bug 389632. We don't want
1.52 +// this fallback to happen as we are not sure of the safety of all gnomevfs
1.53 +// modules and MIME-default applications. (gnomevfs should be handled in
1.54 +// nsGnomeVFSProtocolHandler.)
1.55 +
1.56 +/* static */ nsresult
1.57 +nsGNOMERegistry::LoadURL(nsIURI *aURL)
1.58 +{
1.59 + nsCOMPtr<nsIGIOService> giovfs = do_GetService(NS_GIOSERVICE_CONTRACTID);
1.60 + if (giovfs)
1.61 + return giovfs->ShowURI(aURL);
1.62 +
1.63 + nsCOMPtr<nsIGnomeVFSService> gnomevfs = do_GetService(NS_GNOMEVFSSERVICE_CONTRACTID);
1.64 + if (gnomevfs)
1.65 + return gnomevfs->ShowURI(aURL);
1.66 +
1.67 + return NS_ERROR_FAILURE;
1.68 +}
1.69 +
1.70 +/* static */ void
1.71 +nsGNOMERegistry::GetAppDescForScheme(const nsACString& aScheme,
1.72 + nsAString& aDesc)
1.73 +{
1.74 + nsCOMPtr<nsIGConfService> gconf = do_GetService(NS_GCONFSERVICE_CONTRACTID);
1.75 + nsCOMPtr<nsIGIOService> giovfs = do_GetService(NS_GIOSERVICE_CONTRACTID);
1.76 + if (!gconf && !giovfs)
1.77 + return;
1.78 +
1.79 + nsAutoCString name;
1.80 + if (giovfs) {
1.81 + nsCOMPtr<nsIGIOMimeApp> app;
1.82 + if (NS_FAILED(giovfs->GetAppForURIScheme(aScheme, getter_AddRefs(app))))
1.83 + return;
1.84 +
1.85 + app->GetName(name);
1.86 + } else {
1.87 + bool isEnabled;
1.88 + if (NS_FAILED(gconf->GetAppForProtocol(aScheme, &isEnabled, name)))
1.89 + return;
1.90 +
1.91 + if (!name.IsEmpty()) {
1.92 + // Try to only provide the executable name, as it is much simpler than with the path and arguments
1.93 + int32_t firstSpace = name.FindChar(' ');
1.94 + if (firstSpace != kNotFound) {
1.95 + name.Truncate(firstSpace);
1.96 + int32_t lastSlash = name.RFindChar('/');
1.97 + if (lastSlash != kNotFound) {
1.98 + name.Cut(0, lastSlash + 1);
1.99 + }
1.100 + }
1.101 + }
1.102 + }
1.103 +
1.104 + CopyUTF8toUTF16(name, aDesc);
1.105 +}
1.106 +
1.107 +
1.108 +/* static */ already_AddRefed<nsMIMEInfoBase>
1.109 +nsGNOMERegistry::GetFromExtension(const nsACString& aFileExt)
1.110 +{
1.111 + nsAutoCString mimeType;
1.112 + nsCOMPtr<nsIGIOService> giovfs = do_GetService(NS_GIOSERVICE_CONTRACTID);
1.113 +
1.114 + if (giovfs) {
1.115 + // Get the MIME type from the extension, then call GetFromType to
1.116 + // fill in the MIMEInfo.
1.117 + if (NS_FAILED(giovfs->GetMimeTypeFromExtension(aFileExt, mimeType)) ||
1.118 + mimeType.EqualsLiteral("application/octet-stream")) {
1.119 + return nullptr;
1.120 + }
1.121 + } else {
1.122 + /* Fallback to GnomeVFS */
1.123 + nsCOMPtr<nsIGnomeVFSService> gnomevfs = do_GetService(NS_GNOMEVFSSERVICE_CONTRACTID);
1.124 + if (!gnomevfs)
1.125 + return nullptr;
1.126 +
1.127 + if (NS_FAILED(gnomevfs->GetMimeTypeFromExtension(aFileExt, mimeType)) ||
1.128 + mimeType.EqualsLiteral("application/octet-stream"))
1.129 + return nullptr;
1.130 + }
1.131 +
1.132 + nsRefPtr<nsMIMEInfoBase> mi = GetFromType(mimeType);
1.133 + if (mi) {
1.134 + mi->AppendExtension(aFileExt);
1.135 + }
1.136 +
1.137 + return mi.forget();
1.138 +}
1.139 +
1.140 +/* static */ already_AddRefed<nsMIMEInfoBase>
1.141 +nsGNOMERegistry::GetFromType(const nsACString& aMIMEType)
1.142 +{
1.143 + nsRefPtr<nsMIMEInfoUnix> mimeInfo = new nsMIMEInfoUnix(aMIMEType);
1.144 + NS_ENSURE_TRUE(mimeInfo, nullptr);
1.145 +
1.146 + nsAutoCString name;
1.147 + nsAutoCString description;
1.148 +
1.149 + nsCOMPtr<nsIGIOService> giovfs = do_GetService(NS_GIOSERVICE_CONTRACTID);
1.150 + if (giovfs) {
1.151 + nsCOMPtr<nsIGIOMimeApp> gioHandlerApp;
1.152 + if (NS_FAILED(giovfs->GetAppForMimeType(aMIMEType, getter_AddRefs(gioHandlerApp))) ||
1.153 + !gioHandlerApp) {
1.154 + return nullptr;
1.155 + }
1.156 + gioHandlerApp->GetName(name);
1.157 + giovfs->GetDescriptionForMimeType(aMIMEType, description);
1.158 + } else {
1.159 + /* Fallback to GnomeVFS*/
1.160 + nsCOMPtr<nsIGnomeVFSService> gnomevfs = do_GetService(NS_GNOMEVFSSERVICE_CONTRACTID);
1.161 + if (!gnomevfs)
1.162 + return nullptr;
1.163 +
1.164 + nsCOMPtr<nsIGnomeVFSMimeApp> gnomeHandlerApp;
1.165 + if (NS_FAILED(gnomevfs->GetAppForMimeType(aMIMEType, getter_AddRefs(gnomeHandlerApp))) ||
1.166 + !gnomeHandlerApp) {
1.167 + return nullptr;
1.168 + }
1.169 + gnomeHandlerApp->GetName(name);
1.170 + gnomevfs->GetDescriptionForMimeType(aMIMEType, description);
1.171 + }
1.172 +
1.173 + mimeInfo->SetDefaultDescription(NS_ConvertUTF8toUTF16(name));
1.174 + mimeInfo->SetPreferredAction(nsIMIMEInfo::useSystemDefault);
1.175 + mimeInfo->SetDescription(NS_ConvertUTF8toUTF16(description));
1.176 +
1.177 + return mimeInfo.forget();
1.178 +}
