Proxy PPB_Instance_Private and PPP_Instance_Private.

BUG=82356
TEST=Run example plugin out-of-process, click on it.  Before this, it crashes the plugin.  After, behaves as expected.

Review URL: http://codereview.chromium.org/6966043

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@86640 0039d316-1c4b-4281-b951-d872f2087c98

8 files changed, 347 insertions, 0 deletions

diff --git a/ppapi/ppapi_proxy.gypi b/ppapi/ppapi_proxy.gypi
index 06ed0ff..1fadbc5 100644
--- a/ppapi/ppapi_proxy.gypi
+++ b/ppapi/ppapi_proxy.gypi
@@ -100,6 +100,8 @@
         'proxy/ppb_graphics_2d_proxy.h',
         'proxy/ppb_image_data_proxy.cc',
         'proxy/ppb_image_data_proxy.h',
+        'proxy/ppb_instance_private_proxy.cc',
+        'proxy/ppb_instance_private_proxy.h',
         'proxy/ppb_instance_proxy.cc',
         'proxy/ppb_instance_proxy.h',
         'proxy/ppb_opengles2_proxy.cc',
@@ -124,6 +126,8 @@
         'proxy/ppp_class_proxy.h',
         'proxy/ppp_graphics_3d_proxy.cc',
         'proxy/ppp_graphics_3d_proxy.h',
+        'proxy/ppp_instance_private_proxy.cc',
+        'proxy/ppp_instance_private_proxy.h',
         'proxy/ppp_instance_proxy.cc',
         'proxy/ppp_instance_proxy.h',
         'proxy/proxy_channel.cc',
diff --git a/ppapi/proxy/dispatcher.cc b/ppapi/proxy/dispatcher.cc
index b34ce48..498aadc 100644
--- a/ppapi/proxy/dispatcher.cc
+++ b/ppapi/proxy/dispatcher.cc
@@ -66,6 +66,7 @@
 #include "ppapi/proxy/ppb_gles_chromium_texture_mapping_proxy.h"
 #include "ppapi/proxy/ppb_graphics_2d_proxy.h"
 #include "ppapi/proxy/ppb_image_data_proxy.h"
+#include "ppapi/proxy/ppb_instance_private_proxy.h"
 #include "ppapi/proxy/ppb_instance_proxy.h"
 #include "ppapi/proxy/ppb_opengles2_proxy.h"
 #include "ppapi/proxy/ppb_pdf_proxy.h"
@@ -78,6 +79,7 @@
 #include "ppapi/proxy/ppb_var_deprecated_proxy.h"
 #include "ppapi/proxy/ppp_class_proxy.h"
 #include "ppapi/proxy/ppp_graphics_3d_proxy.h"
+#include "ppapi/proxy/ppp_instance_private_proxy.h"
 #include "ppapi/proxy/ppp_instance_proxy.h"
 #include "ppapi/proxy/var_serialization_rules.h"
 
@@ -130,6 +132,7 @@ InterfaceList::InterfaceList() {
   AddPPB(PPB_GLESChromiumTextureMapping_Proxy::GetInfo());
   AddPPB(PPB_Graphics2D_Proxy::GetInfo());
   AddPPB(PPB_ImageData_Proxy::GetInfo());
+  AddPPB(PPB_Instance_Private_Proxy::GetInfo());
   AddPPB(PPB_Instance_Proxy::GetInfo());
   AddPPB(PPB_OpenGLES2_Proxy::GetInfo());
   AddPPB(PPB_PDF_Proxy::GetInfo());
@@ -148,6 +151,7 @@ InterfaceList::InterfaceList() {
 
   // PPP (plugin) interfaces.
   AddPPP(PPP_Graphics3D_Proxy::GetInfo());
+  AddPPP(PPP_Instance_Private_Proxy::GetInfo());
   AddPPP(PPP_Instance_Proxy::GetInfo());
 }
 
diff --git a/ppapi/proxy/interface_id.h b/ppapi/proxy/interface_id.h
index eef19cb..039008c 100644
--- a/ppapi/proxy/interface_id.h
+++ b/ppapi/proxy/interface_id.h
@@ -38,6 +38,7 @@ enum InterfaceID {
   INTERFACE_ID_PPB_GRAPHICS_2D,
   INTERFACE_ID_PPB_IMAGE_DATA,
   INTERFACE_ID_PPB_INSTANCE,
+  INTERFACE_ID_PPB_INSTANCE_PRIVATE,
   INTERFACE_ID_PPB_OPENGLES2,
   INTERFACE_ID_PPB_PDF,
   INTERFACE_ID_PPB_SURFACE_3D,
@@ -54,6 +55,7 @@ enum InterfaceID {
   INTERFACE_ID_PPP_CLASS,
   INTERFACE_ID_PPP_GRAPHICS_3D_DEV,
   INTERFACE_ID_PPP_INSTANCE,
+  INTERFACE_ID_PPP_INSTANCE_PRIVATE,
   INTERFACE_ID_PPP_VIDEO_DECODER_DEV,
 
   INTERFACE_ID_RESOURCE_CREATION,
diff --git a/ppapi/proxy/ppapi_messages.h b/ppapi/proxy/ppapi_messages.h
index 6a313ee..cd65fe8 100644
--- a/ppapi/proxy/ppapi_messages.h
+++ b/ppapi/proxy/ppapi_messages.h
@@ -229,6 +229,10 @@ IPC_SYNC_MESSAGE_ROUTED1_1(PpapiMsg_PPPInstance_GetInstanceObject,
                            PP_Instance /* instance */,
                            pp::proxy::SerializedVar /* result */)
 
+// PPP_Instance_Private.
+IPC_SYNC_MESSAGE_ROUTED1_1(PpapiMsg_PPPInstancePrivate_GetInstanceObject,
+                           PP_Instance /* instance */,
+                           pp::proxy::SerializedVar /* result */)
 
 // PPB_URLLoader
 // (Messages from browser to plugin to notify it of changes in state.)
@@ -570,6 +574,20 @@ IPC_SYNC_MESSAGE_ROUTED2_2(PpapiHostMsg_PPBInstance_ExecuteScript,
                            pp::proxy::SerializedVar /* out_exception */,
                            pp::proxy::SerializedVar /* result */)
 
+// PPB_Instance_Private.
+IPC_SYNC_MESSAGE_ROUTED1_1(PpapiHostMsg_PPBInstancePrivate_GetWindowObject,
+                           PP_Instance /* instance */,
+                           pp::proxy::SerializedVar /* result */)
+IPC_SYNC_MESSAGE_ROUTED1_1(
+    PpapiHostMsg_PPBInstancePrivate_GetOwnerElementObject,
+    PP_Instance /* instance */,
+    pp::proxy::SerializedVar /* result */)
+IPC_SYNC_MESSAGE_ROUTED2_2(PpapiHostMsg_PPBInstancePrivate_ExecuteScript,
+                           PP_Instance /* instance */,
+                           pp::proxy::SerializedVar /* script */,
+                           pp::proxy::SerializedVar /* out_exception */,
+                           pp::proxy::SerializedVar /* result */)
+
 IPC_SYNC_MESSAGE_ROUTED3_1(
     PpapiHostMsg_PPBPDF_GetFontFileWithFallback,
     PP_Instance /* instance */,
diff --git a/ppapi/proxy/ppb_instance_private_proxy.cc b/ppapi/proxy/ppb_instance_private_proxy.cc
new file mode 100644
index 0000000..1029372
--- /dev/null
+++ b/ppapi/proxy/ppb_instance_private_proxy.cc
@@ -0,0 +1,143 @@
+// 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 "ppapi/proxy/ppb_instance_private_proxy.h"
+
+#include "ppapi/c/pp_var.h"
+#include "ppapi/c/private/ppb_instance_private.h"
+#include "ppapi/proxy/host_dispatcher.h"
+#include "ppapi/proxy/plugin_dispatcher.h"
+#include "ppapi/proxy/plugin_resource.h"
+#include "ppapi/proxy/plugin_resource_tracker.h"
+#include "ppapi/proxy/ppapi_messages.h"
+#include "ppapi/proxy/serialized_var.h"
+
+namespace pp {
+namespace proxy {
+
+namespace {
+
+PP_Var GetWindowObject(PP_Instance instance) {
+  PluginDispatcher* dispatcher = PluginDispatcher::GetForInstance(instance);
+  if (!dispatcher)
+    return PP_MakeUndefined();
+
+  ReceiveSerializedVarReturnValue result;
+  dispatcher->Send(new PpapiHostMsg_PPBInstancePrivate_GetWindowObject(
+      INTERFACE_ID_PPB_INSTANCE_PRIVATE, instance, &result));
+  return result.Return(dispatcher);
+}
+
+PP_Var GetOwnerElementObject(PP_Instance instance) {
+  PluginDispatcher* dispatcher = PluginDispatcher::GetForInstance(instance);
+  if (!dispatcher)
+    return PP_MakeUndefined();
+
+  ReceiveSerializedVarReturnValue result;
+  dispatcher->Send(new PpapiHostMsg_PPBInstancePrivate_GetOwnerElementObject(
+          INTERFACE_ID_PPB_INSTANCE_PRIVATE, instance, &result));
+  return result.Return(dispatcher);
+}
+
+PP_Var ExecuteScript(PP_Instance instance, PP_Var script, PP_Var* exception) {
+  PluginDispatcher* dispatcher = PluginDispatcher::GetForInstance(instance);
+  if (!dispatcher)
+    return PP_MakeUndefined();
+
+  ReceiveSerializedException se(dispatcher, exception);
+  if (se.IsThrown())
+    return PP_MakeUndefined();
+
+  ReceiveSerializedVarReturnValue result;
+  dispatcher->Send(new PpapiHostMsg_PPBInstancePrivate_ExecuteScript(
+      INTERFACE_ID_PPB_INSTANCE_PRIVATE, instance,
+      SerializedVarSendInput(dispatcher, script), &se, &result));
+  return result.Return(dispatcher);
+}
+
+const PPB_Instance_Private instance_private_interface = {
+  &GetWindowObject,
+  &GetOwnerElementObject,
+  &ExecuteScript
+};
+
+InterfaceProxy* CreateInstancePrivateProxy(Dispatcher* dispatcher,
+                                           const void* target_interface) {
+  return new PPB_Instance_Private_Proxy(dispatcher, target_interface);
+}
+
+}  // namespace
+
+PPB_Instance_Private_Proxy::PPB_Instance_Private_Proxy(
+    Dispatcher* dispatcher, const void* target_interface)
+    : InterfaceProxy(dispatcher, target_interface) {
+}
+
+PPB_Instance_Private_Proxy::~PPB_Instance_Private_Proxy() {
+}
+
+// static
+const InterfaceProxy::Info* PPB_Instance_Private_Proxy::GetInfo() {
+  static const Info info = {
+    &instance_private_interface,
+    PPB_INSTANCE_PRIVATE_INTERFACE,
+    INTERFACE_ID_PPB_INSTANCE_PRIVATE,
+    false,
+    &CreateInstancePrivateProxy,
+  };
+  return &info;
+}
+
+bool PPB_Instance_Private_Proxy::OnMessageReceived(const IPC::Message& msg) {
+  // Prevent the dispatcher from going away during a call to ExecuteScript.
+  // This must happen OUTSIDE of ExecuteScript since the SerializedVars use
+  // the dispatcher upon return of the function (converting the
+  // SerializedVarReturnValue/OutParam to a SerializedVar in the destructor).
+  ScopedModuleReference death_grip(dispatcher());
+
+  bool handled = true;
+  IPC_BEGIN_MESSAGE_MAP(PPB_Instance_Private_Proxy, msg)
+    IPC_MESSAGE_HANDLER(PpapiHostMsg_PPBInstancePrivate_GetWindowObject,
+                        OnMsgGetWindowObject)
+    IPC_MESSAGE_HANDLER(PpapiHostMsg_PPBInstancePrivate_GetOwnerElementObject,
+                        OnMsgGetOwnerElementObject)
+    IPC_MESSAGE_HANDLER(PpapiHostMsg_PPBInstancePrivate_ExecuteScript,
+                        OnMsgExecuteScript)
+    IPC_MESSAGE_UNHANDLED(handled = false)
+  IPC_END_MESSAGE_MAP()
+  return handled;
+}
+
+void PPB_Instance_Private_Proxy::OnMsgGetWindowObject(
+    PP_Instance instance,
+    SerializedVarReturnValue result) {
+  result.Return(dispatcher(),
+                ppb_instance_private_target()->GetWindowObject(instance));
+}
+
+void PPB_Instance_Private_Proxy::OnMsgGetOwnerElementObject(
+    PP_Instance instance,
+    SerializedVarReturnValue result) {
+  result.Return(dispatcher(),
+                ppb_instance_private_target()->GetOwnerElementObject(instance));
+}
+
+void PPB_Instance_Private_Proxy::OnMsgExecuteScript(
+    PP_Instance instance,
+    SerializedVarReceiveInput script,
+    SerializedVarOutParam out_exception,
+    SerializedVarReturnValue result) {
+  if (dispatcher()->IsPlugin())
+    NOTREACHED();
+  else
+    static_cast<HostDispatcher*>(dispatcher())->set_allow_plugin_reentrancy();
+
+  result.Return(dispatcher(), ppb_instance_private_target()->ExecuteScript(
+      instance,
+      script.Get(dispatcher()),
+      out_exception.OutParam(dispatcher())));
+}
+
+}  // namespace proxy
+}  // namespace pp
diff --git a/ppapi/proxy/ppb_instance_private_proxy.h b/ppapi/proxy/ppb_instance_private_proxy.h
new file mode 100644
index 0000000..11062ee
--- /dev/null
+++ b/ppapi/proxy/ppb_instance_private_proxy.h
@@ -0,0 +1,53 @@
+// 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.
+
+#ifndef PPAPI_PROXY_PPB_INSTANCE_PRIVATE_PROXY_H_
+#define PPAPI_PROXY_PPB_INSTANCE_PRIVATE_PROXY_H_
+
+#include "ppapi/c/pp_instance.h"
+#include "ppapi/c/pp_resource.h"
+#include "ppapi/c/pp_var.h"
+#include "ppapi/proxy/host_resource.h"
+#include "ppapi/proxy/interface_proxy.h"
+
+struct PPB_Instance_Private;
+
+namespace pp {
+namespace proxy {
+
+class SerializedVarReceiveInput;
+class SerializedVarOutParam;
+class SerializedVarReturnValue;
+
+class PPB_Instance_Private_Proxy : public InterfaceProxy {
+ public:
+  PPB_Instance_Private_Proxy(Dispatcher* dispatcher,
+                             const void* target_interface);
+  virtual ~PPB_Instance_Private_Proxy();
+
+  static const Info* GetInfo();
+
+  const PPB_Instance_Private* ppb_instance_private_target() const {
+    return reinterpret_cast<const PPB_Instance_Private*>(target_interface());
+  }
+
+ private:
+  // InterfaceProxy implementation.
+  virtual bool OnMessageReceived(const IPC::Message& msg);
+
+  // Message handlers.
+  void OnMsgGetWindowObject(PP_Instance instance,
+                            SerializedVarReturnValue result);
+  void OnMsgGetOwnerElementObject(PP_Instance instance,
+                                  SerializedVarReturnValue result);
+  void OnMsgExecuteScript(PP_Instance instance,
+                          SerializedVarReceiveInput script,
+                          SerializedVarOutParam out_exception,
+                          SerializedVarReturnValue result);
+};
+
+}  // namespace proxy
+}  // namespace pp
+
+#endif  // PPAPI_PROXY_PPB_INSTANCE_PRIVATE_PROXY_H_
diff --git a/ppapi/proxy/ppp_instance_private_proxy.cc b/ppapi/proxy/ppp_instance_private_proxy.cc
new file mode 100644
index 0000000..20beb8a
--- /dev/null
+++ b/ppapi/proxy/ppp_instance_private_proxy.cc
@@ -0,0 +1,78 @@
+// 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 "ppapi/proxy/ppp_instance_private_proxy.h"
+
+#include <algorithm>
+
+#include "ppapi/c/pp_var.h"
+#include "ppapi/c/private/ppp_instance_private.h"
+#include "ppapi/proxy/host_dispatcher.h"
+#include "ppapi/proxy/plugin_dispatcher.h"
+#include "ppapi/proxy/plugin_resource_tracker.h"
+#include "ppapi/proxy/ppapi_messages.h"
+
+namespace pp {
+namespace proxy {
+
+namespace {
+
+PP_Var GetInstanceObject(PP_Instance instance) {
+  Dispatcher* dispatcher = HostDispatcher::GetForInstance(instance);
+  ReceiveSerializedVarReturnValue result;
+  dispatcher->Send(new PpapiMsg_PPPInstancePrivate_GetInstanceObject(
+      INTERFACE_ID_PPP_INSTANCE_PRIVATE, instance, &result));
+  return result.Return(dispatcher);
+}
+
+static const PPP_Instance_Private instance_private_interface = {
+  &GetInstanceObject
+};
+
+InterfaceProxy* CreateInstancePrivateProxy(Dispatcher* dispatcher,
+                                           const void* target_interface) {
+  return new PPP_Instance_Private_Proxy(dispatcher, target_interface);
+}
+
+}  // namespace
+
+PPP_Instance_Private_Proxy::PPP_Instance_Private_Proxy(
+    Dispatcher* dispatcher, const void* target_interface)
+    : InterfaceProxy(dispatcher, target_interface) {
+}
+
+PPP_Instance_Private_Proxy::~PPP_Instance_Private_Proxy() {
+}
+
+// static
+const InterfaceProxy::Info* PPP_Instance_Private_Proxy::GetInfo() {
+  static const Info info = {
+    &instance_private_interface,
+    PPP_INSTANCE_PRIVATE_INTERFACE,
+    INTERFACE_ID_PPP_INSTANCE_PRIVATE,
+    false,
+    &CreateInstancePrivateProxy,
+  };
+  return &info;
+}
+
+bool PPP_Instance_Private_Proxy::OnMessageReceived(const IPC::Message& msg) {
+  bool handled = true;
+  IPC_BEGIN_MESSAGE_MAP(PPP_Instance_Private_Proxy, msg)
+    IPC_MESSAGE_HANDLER(PpapiMsg_PPPInstancePrivate_GetInstanceObject,
+                        OnMsgGetInstanceObject)
+    IPC_MESSAGE_UNHANDLED(handled = false)
+  IPC_END_MESSAGE_MAP()
+  return handled;
+}
+
+void PPP_Instance_Private_Proxy::OnMsgGetInstanceObject(
+    PP_Instance instance,
+    SerializedVarReturnValue result) {
+  result.Return(dispatcher(),
+                ppp_instance_private_target()->GetInstanceObject(instance));
+}
+
+}  // namespace proxy
+}  // namespace pp
diff --git a/ppapi/proxy/ppp_instance_private_proxy.h b/ppapi/proxy/ppp_instance_private_proxy.h
new file mode 100644
index 0000000..1df2e44
--- /dev/null
+++ b/ppapi/proxy/ppp_instance_private_proxy.h
@@ -0,0 +1,45 @@
+// 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.
+
+#ifndef PPAPI_PROXY_PPP_INSTANCE_PRIVATE_PROXY_H_
+#define PPAPI_PROXY_PPP_INSTANCE_PRIVATE_PROXY_H_
+
+#include "ppapi/c/pp_instance.h"
+#include "ppapi/c/pp_resource.h"
+#include "ppapi/c/pp_var.h"
+#include "ppapi/proxy/host_resource.h"
+#include "ppapi/proxy/interface_proxy.h"
+
+struct PPP_Instance_Private;
+
+namespace pp {
+namespace proxy {
+
+class SerializedVarReturnValue;
+
+class PPP_Instance_Private_Proxy : public InterfaceProxy {
+ public:
+  PPP_Instance_Private_Proxy(Dispatcher* dispatcher,
+                             const void* target_interface);
+  virtual ~PPP_Instance_Private_Proxy();
+
+  static const Info* GetInfo();
+
+  const PPP_Instance_Private* ppp_instance_private_target() const {
+    return reinterpret_cast<const PPP_Instance_Private*>(target_interface());
+  }
+
+ private:
+  // InterfaceProxy implementation.
+  virtual bool OnMessageReceived(const IPC::Message& msg);
+
+  // Message handlers.
+  void OnMsgGetInstanceObject(PP_Instance instance,
+                              SerializedVarReturnValue result);
+};
+
+}  // namespace proxy
+}  // namespace pp
+
+#endif  // PPAPI_PROXY_PPP_INSTANCE_PRIVATE_PROXY_H_