Keep only base/extractor.[cc|h].

plugins/update/npapi/np_update.cc

-// Copyright 2009 Google Inc.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-// ========================================================================
-
-#include "omaha/plugins/update/npapi/np_update.h"
-
-#include <atlbase.h>
-#include <atlcom.h>
-
-#include "omaha/base/debug.h"
-#include "omaha/base/scope_guard.h"
-#include "omaha/base/string.h"
-#include "omaha/plugins/update/config.h"
-#include "omaha/plugins/update/npapi/dispatch_host.h"
-#include "omaha/plugins/update/npapi/urlpropbag.h"
-#include "plugins/update/activex/update_control_idl.h"
-
-NPError NS_PluginInitialize() {
-  return NPERR_NO_ERROR;
-}
-
-void NS_PluginShutdown() {
-}
-
-nsPluginInstanceBase* NS_NewPluginInstance(nsPluginCreateData* data) {
-  return new omaha::NPUpdate(data->instance, data->type);
-}
-
-void NS_DestroyPluginInstance(nsPluginInstanceBase* plugin) {
-  delete plugin;
-}
-
-namespace omaha {
-
-NPUpdate::NPUpdate(NPP instance, const char* mime_type)
-    : instance_(instance),
-      is_initialized_(false),
-      mime_type_(mime_type),
-      scriptable_object_(NULL) {
-  ASSERT1(instance);
-  // TODO(omaha): initialize COM
-}
-
-NPUpdate::~NPUpdate() {
-  if (scriptable_object_) {
-    NPN_ReleaseObject(scriptable_object_);
-  }
-}
-
-NPBool NPUpdate::init(NPWindow* np_window) {
-  UNREFERENCED_PARAMETER(np_window);
-  is_initialized_ = true;
-  return TRUE;
-}
-
-void NPUpdate::shut() {
-  is_initialized_ = false;
-}
-
-NPBool NPUpdate::isInitialized() {
-  // TODO(omaha): figure the right boolean type to return here...
-  return is_initialized_ ? TRUE : FALSE;
-}
-
-NPError NPUpdate::GetValue(NPPVariable variable, void* value) {
-  if (!instance_) {
-    return NPERR_INVALID_INSTANCE_ERROR;
-  }
-
-  if (NPPVpluginScriptableNPObject != variable || !value) {
-    return NPERR_INVALID_PARAM;
-  }
-
-  CString url;
-  if (!GetCurrentBrowserUrl(&url) || !site_lock_.InApprovedDomain(url)) {
-    return NPERR_INVALID_URL;
-  }
-
-  if (!scriptable_object_) {
-    CComPtr<IDispatch> p;
-
-    CLSID clsid;
-    if (!MapMimeTypeToClsid(&clsid)) {
-      return NPERR_INVALID_PLUGIN_ERROR;
-    }
-    if (FAILED(p.CoCreateInstance(clsid))) {
-      return NPERR_OUT_OF_MEMORY_ERROR;
-    }
-
-    // Store the current URL in a property bag and set it as the site of
-    // the object.
-    CComPtr<IPropertyBag> pb;
-    if (FAILED(UrlPropertyBag::Create(url, &pb))) {
-      return NPERR_GENERIC_ERROR;
-    }
-    CComPtr<IObjectWithSite> sited_obj;
-    if (FAILED(p.QueryInterface(&sited_obj))) {
-      return NPERR_GENERIC_ERROR;
-    }
-    if (FAILED(sited_obj->SetSite(pb))) {
-      return NPERR_GENERIC_ERROR;
-    }
-
-    scriptable_object_ = DispatchHost::CreateInstance(instance_, p);
-  }
-
-  if (scriptable_object_) {
-    NPN_RetainObject(scriptable_object_);
-  } else {
-    return NPERR_OUT_OF_MEMORY_ERROR;
-  }
-
-  *(reinterpret_cast<NPObject**>(value)) = scriptable_object_;
-  return NPERR_NO_ERROR;
-}
-
-bool NPUpdate::MapMimeTypeToClsid(CLSID* clsid) {
-  ASSERT1(clsid);
-  // TODO(omaha): We could probably abstract this out to a map that can
-  // have entries added to it at runtime, making this module fully generic.
-  // We could also consider extracting the MIME_TYPE resource from the current
-  // DLL and populating it from that.
-  if (0 == mime_type_.CompareNoCase(CString(UPDATE3WEB_MIME_TYPE))) {
-    *clsid = __uuidof(GoogleUpdate3WebControlCoClass);
-    return true;
-  }
-  if (0 == mime_type_.CompareNoCase(CString(ONECLICK_MIME_TYPE))) {
-    *clsid = __uuidof(GoogleUpdateOneClickControlCoClass);
-    return true;
-  }
-  return false;
-}
-
-bool NPUpdate::GetCurrentBrowserUrl(CString* url) {
-  ASSERT1(url);
-
-  NPObject* window = NULL;
-  NPError error = NPN_GetValue(instance_, NPNVWindowNPObject, &window);
-  if (NPERR_NO_ERROR != error || !window) {
-    ASSERT(false, (L"NPN_GetValue returned error %d", error));
-    return false;
-  }
-  ON_SCOPE_EXIT(NPN_ReleaseObject, window);
-
-  NPIdentifier location_id = NPN_GetStringIdentifier("location");
-  NPVariant location;
-  NULL_TO_NPVARIANT(location);
-  if (!NPN_GetProperty(instance_, window, location_id, &location)) {
-    ASSERT1(false);
-    return false;
-  }
-  ON_SCOPE_EXIT(NPN_ReleaseVariantValue, &location);
-  if (!NPVARIANT_IS_OBJECT(location)) {
-    ASSERT(false, (L"Variant type: %d", location.type));
-    return false;
-  }
-
-  NPIdentifier href_id = NPN_GetStringIdentifier("href");
-  NPVariant href;
-  NULL_TO_NPVARIANT(href);
-  if (!NPN_GetProperty(instance_, NPVARIANT_TO_OBJECT(location), href_id,
-                       &href)) {
-    ASSERT1(false);
-    return false;
-  }
-  ON_SCOPE_EXIT(NPN_ReleaseVariantValue, &href);
-  if (!NPVARIANT_IS_STRING(href)) {
-    ASSERT(false, (L"Variant type: %d", href.type));
-    return false;
-  }
-
-  *url = Utf8ToWideChar(NPVARIANT_TO_STRING(href).UTF8Characters,
-                        NPVARIANT_TO_STRING(href).UTF8Length);
-  return true;
-}
-
-}  // namespace omaha