1 files changed, 475 insertions, 0 deletions
diff --git a/components/gservice/src/nsGIOService.cpp b/components/gservice/src/nsGIOService.cpp
new file mode 100644
index 000000000..9196c7d76
--- /dev/null
+++ b/components/gservice/src/nsGIOService.cpp
@@ -0,0 +1,475 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "nsGIOService.h"
+#include "nsString.h"
+#include "nsIURI.h"
+#include "nsTArray.h"
+#include "nsIStringEnumerator.h"
+#include "nsAutoPtr.h"
+
+#include <gio/gio.h>
+#include <gtk/gtk.h>
+#ifdef MOZ_ENABLE_DBUS
+#include <dbus/dbus-glib.h>
+#include <dbus/dbus-glib-lowlevel.h>
+#endif
+
+
+class nsGIOMimeApp final : public nsIGIOMimeApp
+{
+public:
+  NS_DECL_ISUPPORTS
+  NS_DECL_NSIGIOMIMEAPP
+
+  explicit nsGIOMimeApp(GAppInfo* aApp) : mApp(aApp) {}
+
+private:
+  ~nsGIOMimeApp() { g_object_unref(mApp); }
+
+  GAppInfo *mApp;
+};
+
+NS_IMPL_ISUPPORTS(nsGIOMimeApp, nsIGIOMimeApp)
+
+NS_IMETHODIMP
+nsGIOMimeApp::GetId(nsACString& aId)
+{
+  aId.Assign(g_app_info_get_id(mApp));
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsGIOMimeApp::GetName(nsACString& aName)
+{
+  aName.Assign(g_app_info_get_name(mApp));
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsGIOMimeApp::GetCommand(nsACString& aCommand)
+{
+  const char *cmd = g_app_info_get_commandline(mApp);
+  if (!cmd)
+    return NS_ERROR_FAILURE;
+  aCommand.Assign(cmd);
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsGIOMimeApp::GetExpectsURIs(int32_t* aExpects)
+{
+  *aExpects = g_app_info_supports_uris(mApp);
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsGIOMimeApp::Launch(const nsACString& aUri)
+{
+  GList uris = { 0 };
+  nsPromiseFlatCString flatUri(aUri);
+  uris.data = const_cast<char*>(flatUri.get());
+
+  GError *error = nullptr;
+  gboolean result = g_app_info_launch_uris(mApp, &uris, nullptr, &error);
+
+  if (!result) {
+    g_warning("Cannot launch application: %s", error->message);
+    g_error_free(error);
+    return NS_ERROR_FAILURE;
+  }
+
+  return NS_OK;
+}
+
+class GIOUTF8StringEnumerator final : public nsIUTF8StringEnumerator
+{
+  ~GIOUTF8StringEnumerator() { }
+
+public:
+  GIOUTF8StringEnumerator() : mIndex(0) { }
+
+  NS_DECL_ISUPPORTS
+  NS_DECL_NSIUTF8STRINGENUMERATOR
+
+  nsTArray<nsCString> mStrings;
+  uint32_t            mIndex;
+};
+
+NS_IMPL_ISUPPORTS(GIOUTF8StringEnumerator, nsIUTF8StringEnumerator)
+
+NS_IMETHODIMP
+GIOUTF8StringEnumerator::HasMore(bool* aResult)
+{
+  *aResult = mIndex < mStrings.Length();
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+GIOUTF8StringEnumerator::GetNext(nsACString& aResult)
+{
+  if (mIndex >= mStrings.Length())
+    return NS_ERROR_UNEXPECTED;
+
+  aResult.Assign(mStrings[mIndex]);
+  ++mIndex;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsGIOMimeApp::GetSupportedURISchemes(nsIUTF8StringEnumerator** aSchemes)
+{
+  *aSchemes = nullptr;
+
+  RefPtr<GIOUTF8StringEnumerator> array = new GIOUTF8StringEnumerator();
+  NS_ENSURE_TRUE(array, NS_ERROR_OUT_OF_MEMORY);
+
+  GVfs *gvfs = g_vfs_get_default();
+
+  if (!gvfs) {
+    g_warning("Cannot get GVfs object.");
+    return NS_ERROR_OUT_OF_MEMORY;
+  }
+
+  const gchar* const * uri_schemes = g_vfs_get_supported_uri_schemes(gvfs);
+
+  while (*uri_schemes != nullptr) {
+    if (!array->mStrings.AppendElement(*uri_schemes)) {
+      return NS_ERROR_OUT_OF_MEMORY;
+    }
+    uri_schemes++;
+  }
+
+  array.forget(aSchemes);
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsGIOMimeApp::SetAsDefaultForMimeType(nsACString const& aMimeType)
+{
+  char *content_type =
+    g_content_type_from_mime_type(PromiseFlatCString(aMimeType).get());
+  if (!content_type)
+    return NS_ERROR_FAILURE;
+  GError *error = nullptr;
+  g_app_info_set_as_default_for_type(mApp,
+                                     content_type,
+                                     &error);
+  if (error) {
+    g_warning("Cannot set application as default for MIME type (%s): %s",
+              PromiseFlatCString(aMimeType).get(),
+              error->message);
+    g_error_free(error);
+    g_free(content_type);
+    return NS_ERROR_FAILURE;
+  }
+
+  g_free(content_type);
+  return NS_OK;
+}
+/**
+ * Set default application for files with given extensions
+ * @param fileExts string of space separated extensions
+ * @return NS_OK when application was set as default for given extensions,
+ * NS_ERROR_FAILURE otherwise
+ */
+NS_IMETHODIMP
+nsGIOMimeApp::SetAsDefaultForFileExtensions(nsACString const& fileExts)
+{
+  GError *error = nullptr;
+  char *extensions = g_strdup(PromiseFlatCString(fileExts).get());
+  char *ext_pos = extensions;
+  char *space_pos;
+
+  while ( (space_pos = strchr(ext_pos, ' ')) || (*ext_pos != '\0') ) {
+    if (space_pos) {
+      *space_pos = '\0';
+    }
+    g_app_info_set_as_default_for_extension(mApp, ext_pos, &error);
+    if (error) {
+      g_warning("Cannot set application as default for extension (%s): %s",
+                ext_pos,
+                error->message);
+      g_error_free(error);
+      g_free(extensions);
+      return NS_ERROR_FAILURE;
+    }
+    if (space_pos) {
+      ext_pos = space_pos + 1;
+    } else {
+      *ext_pos = '\0';
+    }
+  }
+  g_free(extensions);
+  return NS_OK;
+}
+
+/**
+ * Set default application for URI's of a particular scheme
+ * @param aURIScheme string containing the URI scheme
+ * @return NS_OK when application was set as default for URI scheme,
+ * NS_ERROR_FAILURE otherwise
+ */
+NS_IMETHODIMP
+nsGIOMimeApp::SetAsDefaultForURIScheme(nsACString const& aURIScheme)
+{
+  GError *error = nullptr;
+  nsAutoCString contentType("x-scheme-handler/");
+  contentType.Append(aURIScheme);
+
+  g_app_info_set_as_default_for_type(mApp,
+                                     contentType.get(),
+                                     &error);
+  if (error) {
+    g_warning("Cannot set application as default for URI scheme (%s): %s",
+              PromiseFlatCString(aURIScheme).get(),
+              error->message);
+    g_error_free(error);
+    return NS_ERROR_FAILURE;
+  }
+
+  return NS_OK;
+}
+
+NS_IMPL_ISUPPORTS(nsGIOService, nsIGIOService)
+
+NS_IMETHODIMP
+nsGIOService::GetMimeTypeFromExtension(const nsACString& aExtension,
+                                             nsACString& aMimeType)
+{
+  nsAutoCString fileExtToUse("file.");
+  fileExtToUse.Append(aExtension);
+
+  gboolean result_uncertain;
+  char *content_type = g_content_type_guess(fileExtToUse.get(),
+                                            nullptr,
+                                            0,
+                                            &result_uncertain);
+  if (!content_type)
+    return NS_ERROR_FAILURE;
+
+  char *mime_type = g_content_type_get_mime_type(content_type);
+  if (!mime_type) {
+    g_free(content_type);
+    return NS_ERROR_FAILURE;
+  }
+
+  aMimeType.Assign(mime_type);
+
+  g_free(mime_type);
+  g_free(content_type);
+
+  return NS_OK;
+}
+// used in nsGNOMERegistry
+// -----------------------------------------------------------------------------
+NS_IMETHODIMP
+nsGIOService::GetAppForURIScheme(const nsACString& aURIScheme,
+                                 nsIGIOMimeApp** aApp)
+{
+  *aApp = nullptr;
+
+  GAppInfo *app_info = g_app_info_get_default_for_uri_scheme(
+                          PromiseFlatCString(aURIScheme).get());
+  if (app_info) {
+    nsGIOMimeApp *mozApp = new nsGIOMimeApp(app_info);
+    NS_ADDREF(*aApp = mozApp);
+  } else {
+    return NS_ERROR_FAILURE;
+  }
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsGIOService::GetAppForMimeType(const nsACString& aMimeType,
+                                nsIGIOMimeApp**   aApp)
+{
+  *aApp = nullptr;
+  char *content_type =
+    g_content_type_from_mime_type(PromiseFlatCString(aMimeType).get());
+  if (!content_type)
+    return NS_ERROR_FAILURE;
+
+  GAppInfo *app_info = g_app_info_get_default_for_type(content_type, false);
+  if (app_info) {
+    nsGIOMimeApp *mozApp = new nsGIOMimeApp(app_info);
+    NS_ENSURE_TRUE(mozApp, NS_ERROR_OUT_OF_MEMORY);
+    NS_ADDREF(*aApp = mozApp);
+  } else {
+    g_free(content_type);
+    return NS_ERROR_FAILURE;
+  }
+  g_free(content_type);
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsGIOService::GetDescriptionForMimeType(const nsACString& aMimeType,
+                                              nsACString& aDescription)
+{
+  char *content_type =
+    g_content_type_from_mime_type(PromiseFlatCString(aMimeType).get());
+  if (!content_type)
+    return NS_ERROR_FAILURE;
+
+  char *desc = g_content_type_get_description(content_type);
+  if (!desc) {
+    g_free(content_type);
+    return NS_ERROR_FAILURE;
+  }
+
+  aDescription.Assign(desc);
+  g_free(content_type);
+  g_free(desc);
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsGIOService::ShowURI(nsIURI* aURI)
+{
+  nsAutoCString spec;
+  nsresult rv = aURI->GetSpec(spec);
+  NS_ENSURE_SUCCESS(rv, rv);
+  GError *error = nullptr;
+  if (!g_app_info_launch_default_for_uri(spec.get(), nullptr, &error)) {
+    g_warning("Could not launch default application for URI: %s", error->message);
+    g_error_free(error);
+    return NS_ERROR_FAILURE;
+  }
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsGIOService::ShowURIForInput(const nsACString& aUri)
+{
+  GFile *file = g_file_new_for_commandline_arg(PromiseFlatCString(aUri).get());
+  char* spec = g_file_get_uri(file);
+  nsresult rv = NS_ERROR_FAILURE;
+  GError *error = nullptr;
+
+  g_app_info_launch_default_for_uri(spec, nullptr, &error);
+  if (error) {
+    g_warning("Cannot launch default application: %s", error->message);
+    g_error_free(error);
+  } else {
+    rv = NS_OK;
+  }
+  g_object_unref(file);
+  g_free(spec);
+
+  return rv;
+}
+
+NS_IMETHODIMP
+nsGIOService::OrgFreedesktopFileManager1ShowItems(const nsACString& aPath)
+{
+#ifndef MOZ_ENABLE_DBUS
+  return NS_ERROR_FAILURE;
+#else
+  GError* error = nullptr;
+  static bool org_freedesktop_FileManager1_exists = true;
+
+  if (!org_freedesktop_FileManager1_exists) {
+    return NS_ERROR_NOT_AVAILABLE;
+  }
+
+  DBusGConnection* dbusGConnection = dbus_g_bus_get(DBUS_BUS_SESSION, &error);
+
+  if (!dbusGConnection) {
+    if (error) {
+      g_printerr("Failed to open connection to session bus: %s\n", error->message);
+      g_error_free(error);
+    }
+    return NS_ERROR_FAILURE;
+  }
+
+  char *uri = g_filename_to_uri(PromiseFlatCString(aPath).get(), nullptr, nullptr);
+  if (uri == nullptr) {
+    return NS_ERROR_FAILURE;
+  }
+
+  DBusConnection* dbusConnection = dbus_g_connection_get_connection(dbusGConnection);
+  // Make sure we do not exit the entire program if DBus connection get lost.
+  dbus_connection_set_exit_on_disconnect(dbusConnection, false);
+
+  DBusGProxy* dbusGProxy = dbus_g_proxy_new_for_name(dbusGConnection,
+                                                     "org.freedesktop.FileManager1",
+                                                     "/org/freedesktop/FileManager1",
+                                                     "org.freedesktop.FileManager1");
+
+  const char *uris[2] = { uri, nullptr };
+  gboolean rv_dbus_call = dbus_g_proxy_call (dbusGProxy, "ShowItems", nullptr, G_TYPE_STRV, uris,
+                                             G_TYPE_STRING, "", G_TYPE_INVALID, G_TYPE_INVALID);
+
+  g_object_unref(dbusGProxy);
+  dbus_g_connection_unref(dbusGConnection);
+  g_free(uri);
+
+  if (!rv_dbus_call) {
+    org_freedesktop_FileManager1_exists = false;
+    return NS_ERROR_NOT_AVAILABLE;
+  }
+
+  return NS_OK;
+#endif
+}
+
+/**
+ * Create or find already existing application info for specified command
+ * and application name.
+ * @param cmd command to execute
+ * @param appName application name
+ * @param appInfo location where created GAppInfo is stored
+ * @return NS_OK when object is created, NS_ERROR_FAILURE otherwise.
+ */
+NS_IMETHODIMP
+nsGIOService::CreateAppFromCommand(nsACString const& cmd,
+                                   nsACString const& appName,
+                                   nsIGIOMimeApp**   appInfo)
+{
+  GError *error = nullptr;
+  *appInfo = nullptr;
+
+  GAppInfo *app_info = nullptr, *app_info_from_list = nullptr;
+  GList *apps = g_app_info_get_all();
+  GList *apps_p = apps;
+
+  // Try to find relevant and existing GAppInfo in all installed application
+  // We do this by comparing each GAppInfo's executable with out own
+  while (apps_p) {
+    app_info_from_list = (GAppInfo*) apps_p->data;
+    if (!app_info) {
+      // If the executable is not absolute, get it's full path
+      char *executable = g_find_program_in_path(g_app_info_get_executable(app_info_from_list));
+
+      if (executable && strcmp(executable, PromiseFlatCString(cmd).get()) == 0) {
+        g_object_ref (app_info_from_list);
+        app_info = app_info_from_list;
+      }
+      g_free(executable);
+    }
+
+    g_object_unref(app_info_from_list);
+    apps_p = apps_p->next;
+  }
+  g_list_free(apps);
+
+  if (!app_info) {
+    app_info = g_app_info_create_from_commandline(PromiseFlatCString(cmd).get(),
+                                                  PromiseFlatCString(appName).get(),
+                                                  G_APP_INFO_CREATE_SUPPORTS_URIS,
+                                                  &error);
+  }
+
+  if (!app_info) {
+    g_warning("Cannot create application info from command: %s", error->message);
+    g_error_free(error);
+    return NS_ERROR_FAILURE;
+  }
+  nsGIOMimeApp *mozApp = new nsGIOMimeApp(app_info);
+  NS_ENSURE_TRUE(mozApp, NS_ERROR_OUT_OF_MEMORY);
+  NS_ADDREF(*appInfo = mozApp);
+  return NS_OK;
+}