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Bug 373397 - "nsGNOMERegistry could use the mozgnome component" [p=mh+mozilla@glandium.org (Mike Hommey) r=chpe sr=biesi a1.9=beltzner]

This commit is contained in:
reed@reedloden.com 2008-01-29 20:36:11 -08:00
Родитель 0b6aaa6484
Коммит d776d125a5
3 изменённых файлов: 53 добавлений и 247 удалений
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290
uriloader/exthandler/unix/nsGNOMERegistry.cpp
Просмотреть файл

@ -44,202 +44,25 @@
#include "nsILocalFile.h"
#include "nsMIMEInfoUnix.h"
#include "nsAutoPtr.h"
#include "nsIGConfService.h"
#include "nsIGnomeVFSService.h"
#include <glib.h>
#include <glib-object.h>
static PRLibrary *gconfLib;
static PRLibrary *gnomeLib;
static PRLibrary *vfsLib;
typedef struct _GConfClient GConfClient;
typedef struct _GnomeProgram GnomeProgram;
typedef struct _GnomeModuleInfo GnomeModuleInfo;
typedef struct {
char *id;
char *name;
char *command;
/* there is more here, but we don't need it */
} GnomeVFSMimeApplication;
typedef GConfClient * (*_gconf_client_get_default_fn)();
typedef gchar * (*_gconf_client_get_string_fn)(GConfClient *,
const char *, GError **);
typedef gboolean (*_gconf_client_get_bool_fn)(GConfClient *,
const char *, GError **);
typedef gboolean (*_gnome_url_show_fn)(const char *, GError **);
typedef const char * (*_gnome_vfs_mime_type_from_name_fn)(const char *);
typedef GList * (*_gnome_vfs_mime_get_extensions_list_fn)(const char *);
typedef void (*_gnome_vfs_mime_extensions_list_free_fn)(GList *);
typedef const char * (*_gnome_vfs_mime_get_description_fn)(const char *);
typedef GnomeVFSMimeApplication * (*_gnome_vfs_mime_get_default_application_fn)
(const char *);
typedef void (*_gnome_vfs_mime_application_free_fn)(GnomeVFSMimeApplication *);
typedef GnomeProgram * (*_gnome_program_init_fn)(const char *, const char *,
const GnomeModuleInfo *, int,
char **, const char *, ...);
typedef const GnomeModuleInfo * (*_libgnome_module_info_get_fn)();
typedef GnomeProgram * (*_gnome_program_get_fn)();
#define DECL_FUNC_PTR(func) static _##func##_fn _##func
DECL_FUNC_PTR(gconf_client_get_default);
DECL_FUNC_PTR(gconf_client_get_string);
DECL_FUNC_PTR(gconf_client_get_bool);
DECL_FUNC_PTR(gnome_url_show);
DECL_FUNC_PTR(gnome_vfs_mime_type_from_name);
DECL_FUNC_PTR(gnome_vfs_mime_get_extensions_list);
DECL_FUNC_PTR(gnome_vfs_mime_extensions_list_free);
DECL_FUNC_PTR(gnome_vfs_mime_get_description);
DECL_FUNC_PTR(gnome_vfs_mime_get_default_application);
DECL_FUNC_PTR(gnome_vfs_mime_application_free);
DECL_FUNC_PTR(gnome_program_init);
DECL_FUNC_PTR(libgnome_module_info_get);
DECL_FUNC_PTR(gnome_program_get);
static void
CleanUp()
{
// Unload all libraries
if (gnomeLib) {
PR_UnloadLibrary(gnomeLib);
gnomeLib = nsnull;
}
if (gconfLib) {
PR_UnloadLibrary(gconfLib);
gconfLib = nsnull;
}
if (vfsLib) {
PR_UnloadLibrary(vfsLib);
vfsLib = nsnull;
}
}
static PRLibrary *
LoadVersionedLibrary(const char* libName, const char* libVersion)
{
char *platformLibName = PR_GetLibraryName(nsnull, libName);
nsCAutoString versionLibName(platformLibName);
versionLibName.Append(libVersion);
PR_FreeLibraryName(platformLibName);
return PR_LoadLibrary(versionLibName.get());
}
/* static */ void
nsGNOMERegistry::Startup()
{
#define ENSURE_LIB(lib) \
PR_BEGIN_MACRO \
if (!lib) { \
CleanUp(); \
return; \
} \
PR_END_MACRO
#define GET_LIB_FUNCTION(lib, func) \
PR_BEGIN_MACRO \
_##func = (_##func##_fn) PR_FindFunctionSymbol(lib##Lib, #func); \
if (!_##func) { \
CleanUp(); \
return; \
} \
PR_END_MACRO
// Attempt to open libgconf
gconfLib = LoadVersionedLibrary("gconf-2", ".4");
ENSURE_LIB(gconfLib);
GET_LIB_FUNCTION(gconf, gconf_client_get_default);
GET_LIB_FUNCTION(gconf, gconf_client_get_string);
GET_LIB_FUNCTION(gconf, gconf_client_get_bool);
// Attempt to open libgnome
gnomeLib = LoadVersionedLibrary("gnome-2", ".0");
ENSURE_LIB(gnomeLib);
GET_LIB_FUNCTION(gnome, gnome_url_show);
GET_LIB_FUNCTION(gnome, gnome_program_init);
GET_LIB_FUNCTION(gnome, libgnome_module_info_get);
GET_LIB_FUNCTION(gnome, gnome_program_get);
// Attempt to open libgnomevfs
vfsLib = LoadVersionedLibrary("gnomevfs-2", ".0");
ENSURE_LIB(vfsLib);
GET_LIB_FUNCTION(vfs, gnome_vfs_mime_type_from_name);
GET_LIB_FUNCTION(vfs, gnome_vfs_mime_get_extensions_list);
GET_LIB_FUNCTION(vfs, gnome_vfs_mime_extensions_list_free);
GET_LIB_FUNCTION(vfs, gnome_vfs_mime_get_description);
GET_LIB_FUNCTION(vfs, gnome_vfs_mime_get_default_application);
GET_LIB_FUNCTION(vfs, gnome_vfs_mime_application_free);
// Initialize GNOME, if it's not already initialized. It's not
// necessary to tell GNOME about our actual command line arguments.
if (!_gnome_program_get()) {
char *argv[1] = { "gecko" };
_gnome_program_init("Gecko", "1.0", _libgnome_module_info_get(),
1, argv, NULL);
}
// Note: after GNOME has been initialized, do not ever unload these
// libraries. They register atexit handlers, so if they are unloaded, we'll
// crash on exit.
}
/**
* Finds the application for a given protocol.
*
* @param aProtocolScheme
* Protocol to look up. For example, "ghelp" or "mailto".
*
* @return UTF-8 string identifying the application. Must be freed with
* g_free.
* NULL on error.
*/
static gchar* getAppForScheme(const nsACString& aProtocolScheme)
{
if (!gconfLib)
return nsnull;
GError *error = nsnull;
GConfClient *client = _gconf_client_get_default();
NS_ASSERTION(client, "no gconf client");
nsCAutoString gconfPath(NS_LITERAL_CSTRING("/desktop/gnome/url-handlers/") +
aProtocolScheme +
NS_LITERAL_CSTRING("/command"));
gchar *app = _gconf_client_get_string(client, gconfPath.get(), &error);
g_object_unref(G_OBJECT(client));
if (error)
g_error_free(error);
return app;
}
/* static */ PRBool
nsGNOMERegistry::HandlerExists(const char *aProtocolScheme)
{
gchar *app = getAppForScheme(nsDependentCString(aProtocolScheme));
if (app) {
g_free(app);
GConfClient *client = _gconf_client_get_default();
nsCAutoString enabledPath(NS_LITERAL_CSTRING("/desktop/gnome/url-handlers/") +
nsDependentCString(aProtocolScheme) +
NS_LITERAL_CSTRING("/enabled"));
gboolean isEnabled = _gconf_client_get_bool(client, enabledPath.get(), NULL);
g_object_unref(G_OBJECT(client));
return isEnabled ? PR_TRUE : PR_FALSE;
}
nsCOMPtr<nsIGConfService> gconf = do_GetService(NS_GCONFSERVICE_CONTRACTID);
if (!gconf)
return PR_FALSE;
PRBool isEnabled;
nsCAutoString handler;
if (NS_FAILED(gconf->GetAppForProtocol(nsDependentCString(aProtocolScheme), &isEnabled, handler)))
return PR_FALSE;
return isEnabled;
}
// XXX Check HandlerExists() before calling LoadURL.
@ -253,98 +76,88 @@ nsGNOMERegistry::HandlerExists(const char *aProtocolScheme)
/* static */ nsresult
nsGNOMERegistry::LoadURL(nsIURI *aURL)
{
if (!gconfLib)
nsCOMPtr<nsIGnomeVFSService> vfs = do_GetService(NS_GNOMEVFSSERVICE_CONTRACTID);
if (!vfs)
return NS_ERROR_FAILURE;
nsCAutoString spec;
aURL->GetAsciiSpec(spec);
// XXX what if gnome_url_show() uses the default handler and that's us?
if (_gnome_url_show(spec.get(), NULL))
return NS_OK;
return NS_ERROR_FAILURE;
return vfs->ShowURI(aURL);
}
/* static */ void
nsGNOMERegistry::GetAppDescForScheme(const nsACString& aScheme,
nsAString& aDesc)
{
char *app = getAppForScheme(aScheme);
if (app) {
// Try to only provide the executable name, as it is much simpler than with the path and arguments
char *firstSpace = strchr(app, ' ');
if (firstSpace) {
*firstSpace = '\0';
char *lastSlash = strrchr(app, '/');
if (lastSlash) {
CopyUTF8toUTF16(lastSlash + 1, aDesc);
g_free(app);
nsCOMPtr<nsIGConfService> gconf = do_GetService(NS_GCONFSERVICE_CONTRACTID);
if (!gconf)
return;
PRBool isEnabled;
nsCAutoString app;
if (NS_FAILED(gconf->GetAppForProtocol(aScheme, &isEnabled, app)))
return;
if (!app.IsEmpty()) {
// Try to only provide the executable name, as it is much simpler than with the path and arguments
PRInt32 firstSpace = app.FindChar(' ');
if (firstSpace != kNotFound) {
app.Truncate(firstSpace);
PRInt32 lastSlash = app.RFindChar('/');
if (lastSlash != kNotFound) {
app.Cut(0, lastSlash + 1);
}
}
CopyUTF8toUTF16(app, aDesc);
g_free(app);
}
}
/* static */ already_AddRefed<nsMIMEInfoBase>
nsGNOMERegistry::GetFromExtension(const char *aFileExt)
nsGNOMERegistry::GetFromExtension(const nsACString& aFileExt)
{
if (!gconfLib)
NS_ASSERTION(aFileExt[0] != '.', "aFileExt shouldn't start with a dot");
nsCOMPtr<nsIGnomeVFSService> vfs = do_GetService(NS_GNOMEVFSSERVICE_CONTRACTID);
if (!vfs)
return nsnull;
// Get the MIME type from the extension, then call GetFromType to
// fill in the MIMEInfo.
nsCAutoString fileExtToUse;
if (aFileExt && aFileExt[0] != '.')
fileExtToUse = '.';
fileExtToUse.Append(aFileExt);
const char *mimeType = _gnome_vfs_mime_type_from_name(fileExtToUse.get());
if (!strcmp(mimeType, "application/octet-stream"))
nsCAutoString mimeType;
if (NS_FAILED(vfs->GetMimeTypeFromExtension(aFileExt, mimeType)) ||
mimeType.EqualsLiteral("application/octet-stream"))
return nsnull;
return GetFromType(mimeType);
}
/* static */ already_AddRefed<nsMIMEInfoBase>
nsGNOMERegistry::GetFromType(const char *aMIMEType)
nsGNOMERegistry::GetFromType(const nsACString& aMIMEType)
{
if (!gconfLib)
nsCOMPtr<nsIGnomeVFSService> vfs = do_GetService(NS_GNOMEVFSSERVICE_CONTRACTID);
if (!vfs)
return nsnull;
GnomeVFSMimeApplication *handlerApp = _gnome_vfs_mime_get_default_application(aMIMEType);
if (!handlerApp)
nsCOMPtr<nsIGnomeVFSMimeApp> handlerApp;
if (NS_FAILED(vfs->GetAppForMimeType(aMIMEType, getter_AddRefs(handlerApp))) ||
!handlerApp)
return nsnull;
nsRefPtr<nsMIMEInfoUnix> mimeInfo = new nsMIMEInfoUnix(aMIMEType);
NS_ENSURE_TRUE(mimeInfo, nsnull);
// Get the list of extensions and append then to the mimeInfo.
GList *extensions = _gnome_vfs_mime_get_extensions_list(aMIMEType);
for (GList *extension = extensions; extension; extension = extension->next)
mimeInfo->AppendExtension(nsDependentCString((const char *) extension->data));
_gnome_vfs_mime_extensions_list_free(extensions);
const char *description = _gnome_vfs_mime_get_description(aMIMEType);
nsCAutoString description;
vfs->GetDescriptionForMimeType(aMIMEType, description);
mimeInfo->SetDescription(NS_ConvertUTF8toUTF16(description));
// Convert UTF-8 registry value to filesystem encoding, which
// g_find_program_in_path() uses.
gchar *nativeCommand = g_filename_from_utf8(handlerApp->command,
nsCAutoString command;
handlerApp->GetCommand(command);
gchar *nativeCommand = g_filename_from_utf8(command.get(),
-1, NULL, NULL, NULL);
if (!nativeCommand) {
NS_ERROR("Could not convert helper app command to filesystem encoding");
_gnome_vfs_mime_application_free(handlerApp);
return nsnull;
}
@ -353,7 +166,6 @@ nsGNOMERegistry::GetFromType(const char *aMIMEType)
g_free(nativeCommand);
if (!commandPath) {
_gnome_vfs_mime_application_free(handlerApp);
return nsnull;
}
@ -362,14 +174,14 @@ nsGNOMERegistry::GetFromType(const char *aMIMEType)
getter_AddRefs(appFile));
if (appFile) {
mimeInfo->SetDefaultApplication(appFile);
mimeInfo->SetDefaultDescription(NS_ConvertUTF8toUTF16(handlerApp->name));
nsCAutoString name;
handlerApp->GetName(name);
mimeInfo->SetDefaultDescription(NS_ConvertUTF8toUTF16(name));
mimeInfo->SetPreferredAction(nsIMIMEInfo::useSystemDefault);
}
g_free(commandPath);
_gnome_vfs_mime_application_free(handlerApp);
nsMIMEInfoBase* retval;
NS_ADDREF((retval = mimeInfo));
return retval;

6
uriloader/exthandler/unix/nsGNOMERegistry.h
Просмотреть файл

@ -43,8 +43,6 @@ class nsMIMEInfoBase;
class nsGNOMERegistry
{
public:
static void Startup();
static PRBool HandlerExists(const char *aProtocolScheme);
static nsresult LoadURL(nsIURI *aURL);
@ -52,7 +50,7 @@ class nsGNOMERegistry
static void GetAppDescForScheme(const nsACString& aScheme,
nsAString& aDesc);
static already_AddRefed<nsMIMEInfoBase> GetFromExtension(const char *aFileExt);
static already_AddRefed<nsMIMEInfoBase> GetFromExtension(const nsACString& aFileExt);
static already_AddRefed<nsMIMEInfoBase> GetFromType(const char *aMIMEType);
static already_AddRefed<nsMIMEInfoBase> GetFromType(const nsACString& aMIMEType);
};

8
uriloader/exthandler/unix/nsOSHelperAppService.cpp
Просмотреть файл

@ -88,10 +88,6 @@ IsNetscapeFormat(const nsACString& aBuffer);
nsOSHelperAppService::nsOSHelperAppService() : nsExternalHelperAppService()
{
#ifdef MOZ_WIDGET_GTK2
nsGNOMERegistry::Startup();
#endif
mode_t mask = umask(0777);
umask(mask);
mPermissions = 0666 & ~mask;
@ -1364,7 +1360,7 @@ nsOSHelperAppService::GetFromExtension(const nsCString& aFileExt) {
#ifdef MOZ_WIDGET_GTK2
LOG(("Looking in GNOME registry\n"));
nsMIMEInfoBase *gnomeInfo = nsGNOMERegistry::GetFromExtension(aFileExt.get()).get();
nsMIMEInfoBase *gnomeInfo = nsGNOMERegistry::GetFromExtension(aFileExt).get();
if (gnomeInfo) {
LOG(("Got MIMEInfo from GNOME registry\n"));
return gnomeInfo;
@ -1490,7 +1486,7 @@ nsOSHelperAppService::GetFromType(const nsCString& aMIMEType) {
// get back a MIMEInfo without any extensions set. In that case we'll have
// to look in our mime.types files for the extensions.
LOG(("Looking in GNOME registry\n"));
gnomeInfo = nsGNOMERegistry::GetFromType(aMIMEType.get()).get();
gnomeInfo = nsGNOMERegistry::GetFromType(aMIMEType).get();
if (gnomeInfo && gnomeInfo->HasExtensions()) {
LOG(("Got MIMEInfo from GNOME registry, and it has extensions set\n"));
return gnomeInfo;