From 8ef4d59eff51761c3d2243fb813d088eb2511989 Mon Sep 17 00:00:00 2001
From: "apatrick@chromium.org"
 <apatrick@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98>
Date: Fri, 4 Mar 2011 00:56:36 +0000
Subject: [PATCH] Complete the revert of r76825 attempted in r76845.

Drover did not add the deleted gpu_plugin directory.

TEST=none
BUG=none


git-svn-id: svn://svn.chromium.org/chrome/trunk/src@76846 0039d316-1c4b-4281-b951-d872f2087c98
---
 gpu/gpu_plugin/gpu_plugin.cc | 144 +++++++++++++++++++++++++++++++++++
 gpu/gpu_plugin/gpu_plugin.h  |  31 ++++++++
 2 files changed, 175 insertions(+)
 create mode 100644 gpu/gpu_plugin/gpu_plugin.cc
 create mode 100644 gpu/gpu_plugin/gpu_plugin.h

diff --git a/gpu/gpu_plugin/gpu_plugin.cc b/gpu/gpu_plugin/gpu_plugin.cc
new file mode 100644
index 000000000000..89be4382d4b4
--- /dev/null
+++ b/gpu/gpu_plugin/gpu_plugin.cc
@@ -0,0 +1,144 @@
+// Copyright (c) 2009 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.
+
+#if defined(OS_WIN)
+#include <windows.h>
+#endif
+
+#include "build/build_config.h"
+#include "gpu/gpu_plugin/gpu_plugin.h"
+#include "third_party/npapi/bindings/nphostapi.h"
+
+namespace gpu_plugin {
+
+// Definitions of NPAPI plugin entry points.
+
+namespace {
+
+// TODO(apatrick): move this to platform specific source files.
+#if defined(OS_WIN)
+class PluginObject {
+ public:
+  PluginObject();
+  ~PluginObject();
+
+  void SetWindow(HWND hwnd);
+
+ private:
+  HWND hwnd_;
+
+  DISALLOW_COPY_AND_ASSIGN(PluginObject);
+};
+
+const wchar_t* const kPluginObject = L"GPUPluginObject";
+
+PluginObject::PluginObject() : hwnd_(NULL) {
+}
+
+PluginObject::~PluginObject() {
+}
+
+void PluginObject::SetWindow(HWND hwnd) {
+  hwnd_ = hwnd;
+  if (hwnd_) {
+    // TODO: convert this to using app::win::ScopedProp.
+    // Store plugin object in window property.
+    SetProp(hwnd_, kPluginObject, reinterpret_cast<HANDLE>(this));
+
+    // Disable plugin window so mouse messages are passed to the parent window.
+    EnableWindow(hwnd_, false);
+  } else {
+    // Clean up properties.
+    RemoveProp(hwnd_, kPluginObject);
+  }
+}
+
+#endif  // defined(OS_WIN)
+
+NPError NPP_New(NPMIMEType plugin_type, NPP instance,
+                uint16 mode, int16 argc, char* argn[],
+                char* argv[], NPSavedData* saved) {
+  if (!instance)
+    return NPERR_INVALID_INSTANCE_ERROR;
+
+#if defined(OS_WIN)
+  instance->pdata = new PluginObject;
+#endif
+
+  return NPERR_NO_ERROR;
+}
+
+NPError NPP_Destroy(NPP instance, NPSavedData** saved) {
+  if (!instance)
+    return NPERR_INVALID_INSTANCE_ERROR;
+
+#if defined(OS_WIN)
+  delete static_cast<PluginObject*>(instance->pdata);
+#endif
+
+  return NPERR_NO_ERROR;
+}
+
+NPError NPP_SetWindow(NPP instance, NPWindow* window) {
+#if defined(OS_WIN)
+  PluginObject* plugin_object = static_cast<PluginObject*>(instance->pdata);
+  plugin_object->SetWindow(reinterpret_cast<HWND>(window->window));
+#endif
+
+  return NPERR_NO_ERROR;
+}
+
+int16 NPP_HandleEvent(NPP instance, void* event) {
+  return 0;
+}
+
+NPError NPP_GetValue(NPP instance, NPPVariable variable, void *value) {
+  if (!instance)
+    return NPERR_INVALID_INSTANCE_ERROR;
+  switch (variable) {
+    case NPPVpluginNeedsXEmbed:
+      *static_cast<NPBool *>(value) = 1;
+      return NPERR_NO_ERROR;
+    default:
+      return NPERR_INVALID_PARAM;
+  }
+}
+
+NPError NPP_SetValue(NPP instance, NPNVariable variable, void *value) {
+  return NPERR_NO_ERROR;
+}
+
+}  // namespace
+
+NPError API_CALL NP_GetEntryPoints(NPPluginFuncs* funcs) {
+  funcs->newp = NPP_New;
+  funcs->destroy = NPP_Destroy;
+  funcs->setwindow = NPP_SetWindow;
+  funcs->event = NPP_HandleEvent;
+  funcs->getvalue = NPP_GetValue;
+  funcs->setvalue = NPP_SetValue;
+  return NPERR_NO_ERROR;
+}
+
+#if defined(OS_POSIX) && !defined(OS_MACOSX)
+NPError API_CALL NP_Initialize(NPNetscapeFuncs *browser_funcs,
+                               NPPluginFuncs* plugin_funcs) {
+#else
+NPError API_CALL NP_Initialize(NPNetscapeFuncs *browser_funcs) {
+#endif
+  if (!browser_funcs)
+    return NPERR_INVALID_FUNCTABLE_ERROR;
+
+#if defined(OS_POSIX) && !defined(OS_MACOSX)
+  NP_GetEntryPoints(plugin_funcs);
+#endif
+
+  return NPERR_NO_ERROR;
+}
+
+NPError API_CALL NP_Shutdown() {
+  return NPERR_NO_ERROR;
+}
+
+}  // namespace gpu_plugin
diff --git a/gpu/gpu_plugin/gpu_plugin.h b/gpu/gpu_plugin/gpu_plugin.h
new file mode 100644
index 000000000000..05c98a9069ec
--- /dev/null
+++ b/gpu/gpu_plugin/gpu_plugin.h
@@ -0,0 +1,31 @@
+// Copyright (c) 2009 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.
+
+#ifndef GPU_GPU_PLUGIN_GPU_PLUGIN_H_
+#define GPU_GPU_PLUGIN_GPU_PLUGIN_H_
+
+#include "third_party/npapi/bindings/npapi.h"
+#include "third_party/npapi/bindings/npruntime.h"
+
+typedef struct _NPPluginFuncs NPPluginFuncs;
+typedef struct _NPNetscapeFuncs NPNetscapeFuncs;
+
+namespace gpu_plugin {
+
+// Declarations of NPAPI plugin entry points.
+
+NPError API_CALL NP_GetEntryPoints(NPPluginFuncs* funcs);
+
+#if defined(OS_POSIX) && !defined(OS_MACOSX)
+NPError API_CALL NP_Initialize(NPNetscapeFuncs *browser_funcs,
+                               NPPluginFuncs* plugin_funcs);
+#else
+NPError API_CALL NP_Initialize(NPNetscapeFuncs* browser_funcs);
+#endif
+
+NPError API_CALL NP_Shutdown();
+
+}  // namespace gpu_plugin
+
+#endif  // GPU_GPU_PLUGIN_GPU_PLUGIN_H_