Move webkit/plugins/ppapi to content/renderer/pepper.

webkit/plugins/ppapi/ppb_var_deprecated_impl.cc

Index: webkit/plugins/ppapi/ppb_var_deprecated_impl.cc
===================================================================
--- webkit/plugins/ppapi/ppb_var_deprecated_impl.cc	(revision 213561)
+++ webkit/plugins/ppapi/ppb_var_deprecated_impl.cc	(working copy)
@@ -1,437 +0,0 @@
-// 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 "webkit/plugins/ppapi/ppb_var_deprecated_impl.h"
-
-#include <limits>
-
-#include "ppapi/c/dev/ppb_var_deprecated.h"
-#include "ppapi/c/ppb_var.h"
-#include "ppapi/c/pp_var.h"
-#include "ppapi/shared_impl/ppb_var_shared.h"
-#include "third_party/WebKit/public/web/WebBindings.h"
-#include "third_party/WebKit/public/web/WebScopedUserGesture.h"
-#include "webkit/plugins/ppapi/common.h"
-#include "webkit/plugins/ppapi/host_globals.h"
-#include "webkit/plugins/ppapi/npapi_glue.h"
-#include "webkit/plugins/ppapi/npobject_var.h"
-#include "webkit/plugins/ppapi/plugin_module.h"
-#include "webkit/plugins/ppapi/plugin_object.h"
-#include "webkit/plugins/ppapi/ppapi_plugin_instance_impl.h"
-
-using ppapi::NPObjectVar;
-using ppapi::PpapiGlobals;
-using ppapi::StringVar;
-using ppapi::Var;
-using WebKit::WebBindings;
-
-namespace webkit {
-namespace ppapi {
-
-namespace {
-
-const char kInvalidObjectException[] = "Error: Invalid object";
-const char kInvalidPropertyException[] = "Error: Invalid property";
-const char kInvalidValueException[] = "Error: Invalid value";
-const char kUnableToGetPropertyException[] = "Error: Unable to get property";
-const char kUnableToSetPropertyException[] = "Error: Unable to set property";
-const char kUnableToRemovePropertyException[] =
-    "Error: Unable to remove property";
-const char kUnableToGetAllPropertiesException[] =
-    "Error: Unable to get all properties";
-const char kUnableToCallMethodException[] = "Error: Unable to call method";
-const char kUnableToConstructException[] = "Error: Unable to construct";
-
-// ---------------------------------------------------------------------------
-// Utilities
-
-// Converts the given PP_Var to an NPVariant, returning true on success.
-// False means that the given variant is invalid. In this case, the result
-// NPVariant will be set to a void one.
-//
-// The contents of the PP_Var will NOT be copied, so you need to ensure that
-// the PP_Var remains valid while the resultant NPVariant is in use.
-bool PPVarToNPVariantNoCopy(PP_Var var, NPVariant* result) {
-  switch (var.type) {
-    case PP_VARTYPE_UNDEFINED:
-      VOID_TO_NPVARIANT(*result);
-      break;
-    case PP_VARTYPE_NULL:
-      NULL_TO_NPVARIANT(*result);
-      break;
-    case PP_VARTYPE_BOOL:
-      BOOLEAN_TO_NPVARIANT(var.value.as_bool, *result);
-      break;
-    case PP_VARTYPE_INT32:
-      INT32_TO_NPVARIANT(var.value.as_int, *result);
-      break;
-    case PP_VARTYPE_DOUBLE:
-      DOUBLE_TO_NPVARIANT(var.value.as_double, *result);
-      break;
-    case PP_VARTYPE_STRING: {
-      StringVar* string = StringVar::FromPPVar(var);
-      if (!string) {
-        VOID_TO_NPVARIANT(*result);
-        return false;
-      }
-      const std::string& value = string->value();
-      STRINGN_TO_NPVARIANT(value.c_str(), value.size(), *result);
-      break;
-    }
-    case PP_VARTYPE_OBJECT: {
-      scoped_refptr<NPObjectVar> object(NPObjectVar::FromPPVar(var));
-      if (!object.get()) {
-        VOID_TO_NPVARIANT(*result);
-        return false;
-      }
-      OBJECT_TO_NPVARIANT(object->np_object(), *result);
-      break;
-    }
-    default:
-      VOID_TO_NPVARIANT(*result);
-      return false;
-  }
-  return true;
-}
-
-// ObjectAccessorTryCatch ------------------------------------------------------
-
-// Automatically sets up a TryCatch for accessing the object identified by the
-// given PP_Var. The module from the object will be used for the exception
-// strings generated by the TryCatch.
-//
-// This will automatically retrieve the ObjectVar from the object and throw
-// an exception if it's invalid. At the end of construction, if there is no
-// exception, you know that there is no previously set exception, that the
-// object passed in is valid and ready to use (via the object() getter), and
-// that the TryCatch's pp_module() getter is also set up properly and ready to
-// use.
-class ObjectAccessorTryCatch : public TryCatch {
- public:
-  ObjectAccessorTryCatch(PP_Var object, PP_Var* exception)
-      : TryCatch(exception),
-        object_(NPObjectVar::FromPPVar(object)) {
-    if (!object_.get()) {
-      SetException(kInvalidObjectException);
-    }
-  }
-
-  NPObjectVar* object() { return object_.get(); }
-
-  PluginInstanceImpl* GetPluginInstance() {
-    return HostGlobals::Get()->GetInstance(object()->pp_instance());
-  }
-
- protected:
-  scoped_refptr<NPObjectVar> object_;
-
-  DISALLOW_COPY_AND_ASSIGN(ObjectAccessorTryCatch);
-};
-
-// ObjectAccessiorWithIdentifierTryCatch ---------------------------------------
-
-// Automatically sets up a TryCatch for accessing the identifier on the given
-// object. This just extends ObjectAccessorTryCatch to additionally convert
-// the given identifier to an NPIdentifier and validate it, throwing an
-// exception if it's invalid.
-//
-// At the end of construction, if there is no exception, you know that there is
-// no previously set exception, that the object passed in is valid and ready to
-// use (via the object() getter), that the identifier is valid and ready to
-// use (via the identifier() getter), and that the TryCatch's pp_module() getter
-// is also set up properly and ready to use.
-class ObjectAccessorWithIdentifierTryCatch : public ObjectAccessorTryCatch {
- public:
-  ObjectAccessorWithIdentifierTryCatch(PP_Var object,
-                                       PP_Var identifier,
-                                       PP_Var* exception)
-      : ObjectAccessorTryCatch(object, exception),
-        identifier_(0) {
-    if (!has_exception()) {
-      identifier_ = PPVarToNPIdentifier(identifier);
-      if (!identifier_)
-        SetException(kInvalidPropertyException);
-    }
-  }
-
-  NPIdentifier identifier() const { return identifier_; }
-
- private:
-  NPIdentifier identifier_;
-
-  DISALLOW_COPY_AND_ASSIGN(ObjectAccessorWithIdentifierTryCatch);
-};
-
-PP_Bool HasProperty(PP_Var var,
-                    PP_Var name,
-                    PP_Var* exception) {
-  ObjectAccessorWithIdentifierTryCatch accessor(var, name, exception);
-  if (accessor.has_exception())
-    return PP_FALSE;
-  return BoolToPPBool(WebBindings::hasProperty(NULL,
-                                               accessor.object()->np_object(),
-                                               accessor.identifier()));
-}
-
-bool HasPropertyDeprecated(PP_Var var,
-                           PP_Var name,
-                           PP_Var* exception) {
-  return PPBoolToBool(HasProperty(var, name, exception));
-}
-
-bool HasMethodDeprecated(PP_Var var,
-                         PP_Var name,
-                         PP_Var* exception) {
-  ObjectAccessorWithIdentifierTryCatch accessor(var, name, exception);
-  if (accessor.has_exception())
-    return false;
-  return WebBindings::hasMethod(NULL, accessor.object()->np_object(),
-                                accessor.identifier());
-}
-
-PP_Var GetProperty(PP_Var var,
-                   PP_Var name,
-                   PP_Var* exception) {
-  ObjectAccessorWithIdentifierTryCatch accessor(var, name, exception);
-  if (accessor.has_exception())
-    return PP_MakeUndefined();
-
-  NPVariant result;
-  if (!WebBindings::getProperty(NULL, accessor.object()->np_object(),
-                                accessor.identifier(), &result)) {
-    // An exception may have been raised.
-    accessor.SetException(kUnableToGetPropertyException);
-    return PP_MakeUndefined();
-  }
-
-  PP_Var ret = NPVariantToPPVar(accessor.GetPluginInstance(), &result);
-  WebBindings::releaseVariantValue(&result);
-  return ret;
-}
-
-void EnumerateProperties(PP_Var var,
-                         uint32_t* property_count,
-                         PP_Var** properties,
-                         PP_Var* exception) {
-  *properties = NULL;
-  *property_count = 0;
-
-  ObjectAccessorTryCatch accessor(var, exception);
-  if (accessor.has_exception())
-    return;
-
-  NPIdentifier* identifiers = NULL;
-  uint32_t count = 0;
-  if (!WebBindings::enumerate(NULL, accessor.object()->np_object(),
-                              &identifiers, &count)) {
-    accessor.SetException(kUnableToGetAllPropertiesException);
-    return;
-  }
-
-  if (count == 0)
-    return;
-
-  *property_count = count;
-  *properties = static_cast<PP_Var*>(malloc(sizeof(PP_Var) * count));
-  for (uint32_t i = 0; i < count; ++i) {
-    (*properties)[i] = NPIdentifierToPPVar(identifiers[i]);
-  }
-  free(identifiers);
-}
-
-void SetPropertyDeprecated(PP_Var var,
-                           PP_Var name,
-                           PP_Var value,
-                           PP_Var* exception) {
-  ObjectAccessorWithIdentifierTryCatch accessor(var, name, exception);
-  if (accessor.has_exception())
-    return;
-
-  NPVariant variant;
-  if (!PPVarToNPVariantNoCopy(value, &variant)) {
-    accessor.SetException(kInvalidValueException);
-    return;
-  }
-  if (!WebBindings::setProperty(NULL, accessor.object()->np_object(),
-                                accessor.identifier(), &variant))
-    accessor.SetException(kUnableToSetPropertyException);
-}
-
-void DeletePropertyDeprecated(PP_Var var,
-                              PP_Var name,
-                              PP_Var* exception) {
-  ObjectAccessorWithIdentifierTryCatch accessor(var, name, exception);
-  if (accessor.has_exception())
-    return;
-
-  if (!WebBindings::removeProperty(NULL, accessor.object()->np_object(),
-                                   accessor.identifier()))
-    accessor.SetException(kUnableToRemovePropertyException);
-}
-
-PP_Var InternalCallDeprecated(ObjectAccessorTryCatch* accessor,
-                              PP_Var method_name,
-                              uint32_t argc,
-                              PP_Var* argv,
-                              PP_Var* exception) {
-  NPIdentifier identifier;
-  if (method_name.type == PP_VARTYPE_UNDEFINED) {
-    identifier = NULL;
-  } else if (method_name.type == PP_VARTYPE_STRING) {
-    // Specifically allow only string functions to be called.
-    identifier = PPVarToNPIdentifier(method_name);
-    if (!identifier) {
-      accessor->SetException(kInvalidPropertyException);
-      return PP_MakeUndefined();
-    }
-  } else {
-    accessor->SetException(kInvalidPropertyException);
-    return PP_MakeUndefined();
-  }
-
-  scoped_ptr<NPVariant[]> args;
-  if (argc) {
-    args.reset(new NPVariant[argc]);
-    for (uint32_t i = 0; i < argc; ++i) {
-      if (!PPVarToNPVariantNoCopy(argv[i], &args[i])) {
-        // This argument was invalid, throw an exception & give up.
-        accessor->SetException(kInvalidValueException);
-        return PP_MakeUndefined();
-      }
-    }
-  }
-
-  bool ok;
-
-  NPVariant result;
-  if (identifier) {
-    ok = WebBindings::invoke(NULL, accessor->object()->np_object(),
-                             identifier, args.get(), argc, &result);
-  } else {
-    ok = WebBindings::invokeDefault(NULL, accessor->object()->np_object(),
-                                    args.get(), argc, &result);
-  }
-
-  if (!ok) {
-    // An exception may have been raised.
-    accessor->SetException(kUnableToCallMethodException);
-    return PP_MakeUndefined();
-  }
-
-  PP_Var ret = NPVariantToPPVar(accessor->GetPluginInstance(), &result);
-  WebBindings::releaseVariantValue(&result);
-  return ret;
-}
-
-PP_Var CallDeprecated(PP_Var var,
-                      PP_Var method_name,
-                      uint32_t argc,
-                      PP_Var* argv,
-                      PP_Var* exception) {
-  ObjectAccessorTryCatch accessor(var, exception);
-  if (accessor.has_exception())
-    return PP_MakeUndefined();
-  PluginInstanceImpl* plugin = accessor.GetPluginInstance();
-  if (plugin && plugin->IsProcessingUserGesture()) {
-    WebKit::WebScopedUserGesture user_gesture(
-        plugin->CurrentUserGestureToken());
-    return InternalCallDeprecated(&accessor, method_name, argc, argv,
-                                  exception);
-  }
-  return InternalCallDeprecated(&accessor, method_name, argc, argv, exception);
-}
-
-PP_Var Construct(PP_Var var,
-                 uint32_t argc,
-                 PP_Var* argv,
-                 PP_Var* exception) {
-  ObjectAccessorTryCatch accessor(var, exception);
-  if (accessor.has_exception())
-    return PP_MakeUndefined();
-
-  scoped_ptr<NPVariant[]> args;
-  if (argc) {
-    args.reset(new NPVariant[argc]);
-    for (uint32_t i = 0; i < argc; ++i) {
-      if (!PPVarToNPVariantNoCopy(argv[i], &args[i])) {
-        // This argument was invalid, throw an exception & give up.
-        accessor.SetException(kInvalidValueException);
-        return PP_MakeUndefined();
-      }
-    }
-  }
-
-  NPVariant result;
-  if (!WebBindings::construct(NULL, accessor.object()->np_object(),
-                              args.get(), argc, &result)) {
-    // An exception may have been raised.
-    accessor.SetException(kUnableToConstructException);
-    return PP_MakeUndefined();
-  }
-
-  PP_Var ret = NPVariantToPPVar(accessor.GetPluginInstance(), &result);
-  WebBindings::releaseVariantValue(&result);
-  return ret;
-}
-
-bool IsInstanceOfDeprecated(PP_Var var,
-                            const PPP_Class_Deprecated* ppp_class,
-                            void** ppp_class_data) {
-  scoped_refptr<NPObjectVar> object(NPObjectVar::FromPPVar(var));
-  if (!object.get())
-    return false;  // Not an object at all.
-
-  return PluginObject::IsInstanceOf(object->np_object(),
-                                    ppp_class, ppp_class_data);
-}
-
-PP_Var CreateObjectDeprecated(PP_Instance pp_instance,
-                              const PPP_Class_Deprecated* ppp_class,
-                              void* ppp_class_data) {
-  PluginInstanceImpl* instance = HostGlobals::Get()->GetInstance(pp_instance);
-  if (!instance) {
-    DLOG(ERROR) << "Create object passed an invalid instance.";
-    return PP_MakeNull();
-  }
-  return PluginObject::Create(instance, ppp_class, ppp_class_data);
-}
-
-PP_Var CreateObjectWithModuleDeprecated(PP_Module pp_module,
-                                        const PPP_Class_Deprecated* ppp_class,
-                                        void* ppp_class_data) {
-  PluginModule* module = HostGlobals::Get()->GetModule(pp_module);
-  if (!module)
-    return PP_MakeNull();
-  return PluginObject::Create(module->GetSomeInstance(),
-                              ppp_class, ppp_class_data);
-}
-
-}  // namespace
-
-// static
-const PPB_Var_Deprecated* PPB_Var_Deprecated_Impl::GetVarDeprecatedInterface() {
-  static const PPB_Var_Deprecated var_deprecated_interface = {
-    ::ppapi::PPB_Var_Shared::GetVarInterface1_0()->AddRef,
-    ::ppapi::PPB_Var_Shared::GetVarInterface1_0()->Release,
-    ::ppapi::PPB_Var_Shared::GetVarInterface1_0()->VarFromUtf8,
-    ::ppapi::PPB_Var_Shared::GetVarInterface1_0()->VarToUtf8,
-    &HasPropertyDeprecated,
-    &HasMethodDeprecated,
-    &GetProperty,
-    &EnumerateProperties,
-    &SetPropertyDeprecated,
-    &DeletePropertyDeprecated,
-    &CallDeprecated,
-    &Construct,
-    &IsInstanceOfDeprecated,
-    &CreateObjectDeprecated,
-    &CreateObjectWithModuleDeprecated,
-  };
-
-  return &var_deprecated_interface;
-}
-
-}  // namespace ppapi
-}  // namespace webkit
-