Localized Chromoting Host on Mac and Linux.

remoting/host/plugin/host_plugin.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include <stdio.h>
 #include <string.h>
 
 #include <string>
 #include <vector>
 
 #include "base/at_exit.h"
 #include "base/basictypes.h"
 #include "base/command_line.h"
 #include "base/logging.h"
 #include "base/strings/stringize_macros.h"
 #include "net/socket/ssl_server_socket.h"
 #include "remoting/base/plugin_thread_task_runner.h"
-#include "remoting/host/plugin/constants.h"
+#include "remoting/base/resources.h"
+#include "remoting/base/string_resources.h"
 #include "remoting/host/plugin/host_log_handler.h"
 #include "remoting/host/plugin/host_plugin_utils.h"
 #include "remoting/host/plugin/host_script_object.h"
 #if defined(OS_WIN)
 #include "ui/base/win/dpi.h"
 #endif
 #include "third_party/npapi/bindings/npapi.h"
 #include "third_party/npapi/bindings/npfunctions.h"
 #include "third_party/npapi/bindings/npruntime.h"
+#include "ui/base/l10n/l10n_util.h"
 
 // Symbol export is handled with a separate def file on Windows.
 #if defined (__GNUC__) && __GNUC__ >= 4
 #define EXPORT __attribute__((visibility("default")))
 #else
 #define EXPORT
 #endif
 
 #if defined(OS_WIN)
 // TODO(wez): libvpx expects these 64-bit division functions to be provided
@@ skipping 11 matching lines @@
 }
 #endif
 
 using remoting::g_npnetscape_funcs;
 using remoting::HostLogHandler;
 using remoting::HostNPScriptObject;
 using remoting::StringFromNPIdentifier;
 
 namespace {
 
+bool g_initialized = false;
+
 base::AtExitManager* g_at_exit_manager = NULL;
 
+// The plugin name and description returned by GetValue().
+std::string* g_ui_name = NULL;
+std::string* g_ui_description = NULL;
+
 // NPAPI plugin implementation for remoting host.
 // Documentation for most of the calls in this class can be found here:
 // https://developer.mozilla.org/en/Gecko_Plugin_API_Reference/Scripting_plugins
 class HostNPPlugin : public remoting::PluginThreadTaskRunner::Delegate {
  public:
   // |mode| is the display mode of plug-in. Values:
   // NP_EMBED: (1) Instance was created by an EMBED tag and shares the browser
   //               window with other content.
   // NP_FULL: (2) Instance was created by a separate file and is the primary
   //              content in the window.
@@ skipping 277 matching lines @@
   NPP instance_;
   NPObject* scriptable_object_;
 
   scoped_refptr<remoting::PluginThreadTaskRunner> plugin_task_runner_;
   scoped_refptr<remoting::AutoThreadTaskRunner> plugin_auto_task_runner_;
 
   std::map<uint32_t, DelayedTask> timers_;
   base::Lock timers_lock_;
 };
 
+void InitializePlugin() {
+  if (g_initialized)
+    return;
+
+  g_initialized = true;
+  g_at_exit_manager = new base::AtExitManager;
+
+  // Init an empty command line for common objects that use it.
+  CommandLine::Init(0, NULL);
+
+  if (remoting::LoadResources("")) {
+    g_ui_name = new std::string(
+        l10n_util::GetStringUTF8(IDR_REMOTING_HOST_PLUGIN_NAME));
+    g_ui_description = new std::string(
+        l10n_util::GetStringUTF8(IDR_REMOTING_HOST_PLUGIN_DESCRIPTION));
+  } else {
+    g_ui_name = new std::string();
+    g_ui_description = new std::string();
+  }
+}
+
+void ShutdownPlugin() {
+  delete g_ui_name;
+  delete g_ui_description;
+
+  remoting::UnloadResources();
+
+  delete g_at_exit_manager;
+}
+
 // Utility functions to map NPAPI Entry Points to C++ Objects.
 HostNPPlugin* PluginFromInstance(NPP instance) {
   return reinterpret_cast<HostNPPlugin*>(instance->pdata);
 }
 
 NPError CreatePlugin(NPMIMEType pluginType,
                      NPP instance,
                      uint16 mode,
                      int16 argc,
                      char** argn,
@@ skipping 33 matching lines @@
     plugin->Save(save);
     delete plugin;
     instance->pdata = NULL;
     return NPERR_NO_ERROR;
   } else {
     return NPERR_INVALID_PLUGIN_ERROR;
   }
 }
 
 NPError GetValue(NPP instance, NPPVariable variable, void* value) {
+  // NP_GetValue() can be called before NP_Initialize().
+  InitializePlugin();
+
   switch(variable) {
   default:
     VLOG(2) << "GetValue - default " << variable;
     return NPERR_GENERIC_ERROR;
   case NPPVpluginNameString:
     VLOG(2) << "GetValue - name string";
-    *reinterpret_cast<const char**>(value) = HOST_PLUGIN_NAME;
+    *reinterpret_cast<const char**>(value) = g_ui_name->c_str();
     break;
   case NPPVpluginDescriptionString:
     VLOG(2) << "GetValue - description string";
-    *reinterpret_cast<const char**>(value) = HOST_PLUGIN_DESCRIPTION;
+    *reinterpret_cast<const char**>(value) = g_ui_description->c_str();
     break;
   case NPPVpluginNeedsXEmbed:
     VLOG(2) << "GetValue - NeedsXEmbed";
     *(static_cast<NPBool*>(value)) = true;
     break;
   case NPPVpluginScriptableNPObject:
     VLOG(2) << "GetValue - scriptable object";
     HostNPPlugin* plugin = PluginFromInstance(instance);
     if (!plugin)
       return NPERR_INVALID_PLUGIN_ERROR;
@@ skipping 51 matching lines @@
 
   return NPERR_NO_ERROR;
 }
 
 EXPORT NPError API_CALL NP_Initialize(NPNetscapeFuncs* npnetscape_funcs
 #if defined(OS_POSIX) && !defined(OS_MACOSX)
                             , NPPluginFuncs* nppfuncs
 #endif
                             ) {
   VLOG(2) << "NP_Initialize";
-  if (g_at_exit_manager)
-    return NPERR_MODULE_LOAD_FAILED_ERROR;
+  InitializePlugin();
 
   if(npnetscape_funcs == NULL)
     return NPERR_INVALID_FUNCTABLE_ERROR;
 
   if(((npnetscape_funcs->version & 0xff00) >> 8) > NP_VERSION_MAJOR)
     return NPERR_INCOMPATIBLE_VERSION_ERROR;
 
-  g_at_exit_manager = new base::AtExitManager;
   g_npnetscape_funcs = npnetscape_funcs;
 #if defined(OS_POSIX) && !defined(OS_MACOSX)
   NP_GetEntryPoints(nppfuncs);
 #endif
-  // Init an empty command line for common objects that use it.
-  CommandLine::Init(0, NULL);
 
 #if defined(OS_WIN)
   ui::EnableHighDPISupport();
 #endif
 
   return NPERR_NO_ERROR;
 }
 
 EXPORT NPError API_CALL NP_Shutdown() {
   VLOG(2) << "NP_Shutdown";
-  delete g_at_exit_manager;
-  g_at_exit_manager = NULL;
+  ShutdownPlugin();
+
   return NPERR_NO_ERROR;
 }
 
 #if defined(OS_POSIX) && !defined(OS_MACOSX)
 EXPORT const char* API_CALL NP_GetMIMEDescription(void) {
   VLOG(2) << "NP_GetMIMEDescription";
   return HOST_PLUGIN_MIME_TYPE "::";
 }
 
 EXPORT NPError API_CALL NP_GetValue(void* npp,
                                     NPPVariable variable,
                                     void* value) {
   return GetValue((NPP)npp, variable, value);
 }
 #endif
 
 }  // extern "C"