Renderer reading side of gamepad

content/renderer/renderer_webkitplatformsupport_impl.cc

 // Copyright (c) 2011 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 "content/renderer/renderer_webkitplatformsupport_impl.h"
 
 #include "base/command_line.h"
 #include "base/file_path.h"
 #include "base/file_util.h"
 #include "base/platform_file.h"
 #include "base/shared_memory.h"
 #include "base/utf_string_conversions.h"
 #include "content/common/database_util.h"
 #include "content/common/file_system/webfilesystem_impl.h"
 #include "content/common/file_utilities_messages.h"
 #include "content/common/mime_registry_messages.h"
 #include "content/common/npobject_util.h"
 #include "content/common/view_messages.h"
 #include "content/common/webblobregistry_impl.h"
 #include "content/common/webmessageportchannel_impl.h"
 #include "content/public/common/content_switches.h"
 #include "content/public/renderer/content_renderer_client.h"
+#include "content/renderer/gamepad_shared_memory_reader.h"
 #include "content/renderer/gpu/webgraphicscontext3d_command_buffer_impl.h"
 #include "content/renderer/media/audio_device.h"
 #include "content/renderer/media/audio_hardware.h"
 #include "content/renderer/render_thread_impl.h"
 #include "content/renderer/renderer_clipboard_client.h"
 #include "content/renderer/renderer_webaudiodevice_impl.h"
 #include "content/renderer/renderer_webidbfactory_impl.h"
 #include "content/renderer/renderer_webstoragenamespace_impl.h"
 #include "content/renderer/websharedworkerrepository_impl.h"
 #include "googleurl/src/gurl.h"
 #include "ipc/ipc_sync_message_filter.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebBlobRegistry.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebFrame.h"
+#include "third_party/WebKit/Source/WebKit/chromium/public/WebGamepads.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebGraphicsContext3D.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebIDBFactory.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebIDBKey.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebIDBKeyPath.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebSerializedScriptValue.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebStorageEventDispatcher.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebURL.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebVector.h"
 #include "webkit/glue/simple_webmimeregistry_impl.h"
 #include "webkit/glue/webclipboard_impl.h"
@@ skipping 23 matching lines @@
 #endif
 
 #if defined(OS_POSIX)
 #include "base/file_descriptor_posix.h"
 #endif
 
 using WebKit::WebAudioDevice;
 using WebKit::WebBlobRegistry;
 using WebKit::WebFileSystem;
 using WebKit::WebFrame;
+using WebKit::WebGamepads;
 using WebKit::WebIDBFactory;
 using WebKit::WebIDBKey;
 using WebKit::WebIDBKeyPath;
 using WebKit::WebKitPlatformSupport;
 using WebKit::WebSerializedScriptValue;
 using WebKit::WebStorageArea;
 using WebKit::WebStorageEventDispatcher;
 using WebKit::WebStorageNamespace;
 using WebKit::WebString;
 using WebKit::WebURL;
@@ skipping 523 matching lines @@
 //------------------------------------------------------------------------------
 
 WebBlobRegistry* RendererWebKitPlatformSupportImpl::blobRegistry() {
   // ChildThread::current can be NULL when running some tests.
   if (!blob_registry_.get() && ChildThread::current()) {
     blob_registry_.reset(new WebBlobRegistryImpl(ChildThread::current()));
   }
   return blob_registry_.get();
 }
 
+//------------------------------------------------------------------------------
+
+void RendererWebKitPlatformSupportImpl::sampleGamepads(WebGamepads& gamepads) {
+  if (!gamepad_shared_memory_reader_.get())
+    gamepad_shared_memory_reader_.reset(new content::GamepadSharedMemoryReader);
+  gamepad_shared_memory_reader_->SampleGamepads(gamepads);
+}
+
 WebKit::WebString RendererWebKitPlatformSupportImpl::userAgent(
     const WebKit::WebURL& url) {
  return WebKitPlatformSupportImpl::userAgent(url);
 }
 
 void RendererWebKitPlatformSupportImpl::GetPlugins(
     bool refresh, std::vector<webkit::WebPluginInfo>* plugins) {
   if (!RenderThreadImpl::current()->plugin_refresh_allowed())
     refresh = false;
   RenderThreadImpl::current()->Send(
       new ViewHostMsg_GetPlugins(refresh, plugins));
 }