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

webkit/plugins/ppapi/npapi_glue.cc

Index: webkit/plugins/ppapi/npapi_glue.cc
===================================================================
--- webkit/plugins/ppapi/npapi_glue.cc	(revision 213561)
+++ webkit/plugins/ppapi/npapi_glue.cc	(working copy)
@@ -1,357 +0,0 @@
-// 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 "webkit/plugins/ppapi/npapi_glue.h"
-
-#include "base/logging.h"
-#include "base/memory/ref_counted.h"
-#include "base/strings/string_util.h"
-#include "ppapi/c/pp_var.h"
-#include "third_party/npapi/bindings/npapi.h"
-#include "third_party/npapi/bindings/npruntime.h"
-#include "third_party/WebKit/public/web/WebBindings.h"
-#include "third_party/WebKit/public/web/WebDocument.h"
-#include "third_party/WebKit/public/web/WebElement.h"
-#include "third_party/WebKit/public/web/WebFrame.h"
-#include "third_party/WebKit/public/web/WebPluginContainer.h"
-#include "v8/include/v8.h"
-#include "webkit/plugins/ppapi/host_array_buffer_var.h"
-#include "webkit/plugins/ppapi/host_globals.h"
-#include "webkit/plugins/ppapi/host_var_tracker.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::WebArrayBuffer;
-using WebKit::WebBindings;
-using WebKit::WebPluginContainer;
-
-namespace webkit {
-namespace ppapi {
-
-namespace {
-
-const char kInvalidPluginValue[] = "Error: Plugin returned invalid value.";
-
-PP_Var NPObjectToPPVarImpl(PluginInstanceImpl* instance,
-                           NPObject* object,
-                           v8::Local<v8::Context> context) {
-  DCHECK(object);
-  if (context.IsEmpty())
-    return PP_MakeUndefined();
-  v8::Context::Scope context_scope(context);
-
-  WebArrayBuffer buffer;
-  // TODO(dmichael): Should I protect against duplicate Vars representing the
-  // same array buffer? It's probably not worth the trouble, since it will only
-  // affect in-process plugins.
-  if (WebBindings::getArrayBuffer(object, &buffer)) {
-    scoped_refptr<HostArrayBufferVar> buffer_var(
-        new HostArrayBufferVar(buffer));
-    return buffer_var->GetPPVar();
-  }
-  scoped_refptr<NPObjectVar> object_var(
-      HostGlobals::Get()->host_var_tracker()->NPObjectVarForNPObject(
-          instance->pp_instance(), object));
-  if (!object_var.get()) {  // No object for this module yet, make a new one.
-    object_var = new NPObjectVar(instance->pp_instance(), object);
-  }
-  return object_var->GetPPVar();
-}
-
-
-}  // namespace
-
-// Utilities -------------------------------------------------------------------
-
-bool PPVarToNPVariant(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();
-      char* c_string = static_cast<char*>(malloc(value.size()));
-      memcpy(c_string, value.data(), value.size());
-      STRINGN_TO_NPVARIANT(c_string, 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(WebBindings::retainObject(object->np_object()),
-                          *result);
-      break;
-    }
-    // The following types are not supported for use with PPB_Var_Deprecated,
-    // because PPB_Var_Deprecated is only for trusted plugins, and the trusted
-    // plugins we have don't need these types. We can add support in the future
-    // if it becomes necessary.
-    case PP_VARTYPE_ARRAY:
-    case PP_VARTYPE_DICTIONARY:
-    case PP_VARTYPE_ARRAY_BUFFER:
-      VOID_TO_NPVARIANT(*result);
-      break;
-  }
-  return true;
-}
-
-PP_Var NPVariantToPPVar(PluginInstanceImpl* instance,
-                        const NPVariant* variant) {
-  switch (variant->type) {
-    case NPVariantType_Void:
-      return PP_MakeUndefined();
-    case NPVariantType_Null:
-      return PP_MakeNull();
-    case NPVariantType_Bool:
-      return PP_MakeBool(PP_FromBool(NPVARIANT_TO_BOOLEAN(*variant)));
-    case NPVariantType_Int32:
-      return PP_MakeInt32(NPVARIANT_TO_INT32(*variant));
-    case NPVariantType_Double:
-      return PP_MakeDouble(NPVARIANT_TO_DOUBLE(*variant));
-    case NPVariantType_String:
-      return StringVar::StringToPPVar(
-          NPVARIANT_TO_STRING(*variant).UTF8Characters,
-          NPVARIANT_TO_STRING(*variant).UTF8Length);
-    case NPVariantType_Object:
-      return NPObjectToPPVar(instance, NPVARIANT_TO_OBJECT(*variant));
-  }
-  NOTREACHED();
-  return PP_MakeUndefined();
-}
-
-NPIdentifier PPVarToNPIdentifier(PP_Var var) {
-  switch (var.type) {
-    case PP_VARTYPE_STRING: {
-      StringVar* string = StringVar::FromPPVar(var);
-      if (!string)
-        return NULL;
-      return WebBindings::getStringIdentifier(string->value().c_str());
-    }
-    case PP_VARTYPE_INT32:
-      return WebBindings::getIntIdentifier(var.value.as_int);
-    default:
-      return NULL;
-  }
-}
-
-PP_Var NPIdentifierToPPVar(NPIdentifier id) {
-  const NPUTF8* string_value = NULL;
-  int32_t int_value = 0;
-  bool is_string = false;
-  WebBindings::extractIdentifierData(id, string_value, int_value, is_string);
-  if (is_string)
-    return StringVar::StringToPPVar(string_value);
-
-  return PP_MakeInt32(int_value);
-}
-
-PP_Var NPObjectToPPVar(PluginInstanceImpl* instance, NPObject* object) {
-  WebPluginContainer* container = instance->container();
-  // It's possible that container() is NULL if the plugin has been removed from
-  // the DOM (but the PluginInstance is not destroyed yet).
-  if (!container)
-    return PP_MakeUndefined();
-  v8::HandleScope scope(instance->GetIsolate());
-  v8::Local<v8::Context> context =
-      container->element().document().frame()->mainWorldScriptContext();
-  return NPObjectToPPVarImpl(instance, object, context);
-}
-
-PP_Var NPObjectToPPVarForTest(PluginInstanceImpl* instance, NPObject* object) {
-  v8::Isolate* test_isolate = v8::Isolate::New();
-  PP_Var result = PP_MakeUndefined();
-  {
-    v8::HandleScope scope(test_isolate);
-    v8::Isolate::Scope isolate_scope(test_isolate);
-    v8::Local<v8::Context> context = v8::Context::New(test_isolate);
-    result = NPObjectToPPVarImpl(instance, object, context);
-  }
-  test_isolate->Dispose();
-  return result;
-}
-
-// PPResultAndExceptionToNPResult ----------------------------------------------
-
-PPResultAndExceptionToNPResult::PPResultAndExceptionToNPResult(
-    NPObject* object_var,
-    NPVariant* np_result)
-    : object_var_(object_var),
-      np_result_(np_result),
-      exception_(PP_MakeUndefined()),
-      success_(false),
-      checked_exception_(false) {
-}
-
-PPResultAndExceptionToNPResult::~PPResultAndExceptionToNPResult() {
-  // The user should have called SetResult or CheckExceptionForNoResult
-  // before letting this class go out of scope, or the exception will have
-  // been lost.
-  DCHECK(checked_exception_);
-
-  PpapiGlobals::Get()->GetVarTracker()->ReleaseVar(exception_);
-}
-
-// Call this with the return value of the PPAPI function. It will convert
-// the result to the NPVariant output parameter and pass any exception on to
-// the JS engine. It will update the success flag and return it.
-bool PPResultAndExceptionToNPResult::SetResult(PP_Var result) {
-  DCHECK(!checked_exception_);  // Don't call more than once.
-  DCHECK(np_result_);  // Should be expecting a result.
-
-  checked_exception_ = true;
-
-  if (has_exception()) {
-    ThrowException();
-    success_ = false;
-  } else if (!PPVarToNPVariant(result, np_result_)) {
-    WebBindings::setException(object_var_, kInvalidPluginValue);
-    success_ = false;
-  } else {
-    success_ = true;
-  }
-
-  // No matter what happened, we need to release the reference to the
-  // value passed in. On success, a reference to this value will be in
-  // the np_result_.
-  PpapiGlobals::Get()->GetVarTracker()->ReleaseVar(result);
-  return success_;
-}
-
-// Call this after calling a PPAPI function that could have set the
-// exception. It will pass the exception on to the JS engine and update
-// the success flag.
-//
-// The success flag will be returned.
-bool PPResultAndExceptionToNPResult::CheckExceptionForNoResult() {
-  DCHECK(!checked_exception_);  // Don't call more than once.
-  DCHECK(!np_result_);  // Can't have a result when doing this.
-
-  checked_exception_ = true;
-
-  if (has_exception()) {
-    ThrowException();
-    success_ = false;
-    return false;
-  }
-  success_ = true;
-  return true;
-}
-
-// Call this to ignore any exception. This prevents the DCHECK from failing
-// in the destructor.
-void PPResultAndExceptionToNPResult::IgnoreException() {
-  checked_exception_ = true;
-}
-
-// Throws the current exception to JS. The exception must be set.
-void PPResultAndExceptionToNPResult::ThrowException() {
-  StringVar* string = StringVar::FromPPVar(exception_);
-  if (string)
-    WebBindings::setException(object_var_, string->value().c_str());
-}
-
-// PPVarArrayFromNPVariantArray ------------------------------------------------
-
-PPVarArrayFromNPVariantArray::PPVarArrayFromNPVariantArray(
-    PluginInstanceImpl* instance,
-    size_t size,
-    const NPVariant* variants)
-    : size_(size) {
-  if (size_ > 0) {
-    array_.reset(new PP_Var[size_]);
-    for (size_t i = 0; i < size_; i++)
-      array_[i] = NPVariantToPPVar(instance, &variants[i]);
-  }
-}
-
-PPVarArrayFromNPVariantArray::~PPVarArrayFromNPVariantArray() {
-  ::ppapi::VarTracker* var_tracker = PpapiGlobals::Get()->GetVarTracker();
-  for (size_t i = 0; i < size_; i++)
-    var_tracker->ReleaseVar(array_[i]);
-}
-
-// PPVarFromNPObject -----------------------------------------------------------
-
-PPVarFromNPObject::PPVarFromNPObject(PluginInstanceImpl* instance,
-                                     NPObject* object)
-    : var_(NPObjectToPPVar(instance, object)) {
-}
-
-PPVarFromNPObject::~PPVarFromNPObject() {
-  PpapiGlobals::Get()->GetVarTracker()->ReleaseVar(var_);
-}
-
-// NPObjectAccessorWithIdentifier ----------------------------------------------
-
-NPObjectAccessorWithIdentifier::NPObjectAccessorWithIdentifier(
-    NPObject* object,
-    NPIdentifier identifier,
-    bool allow_integer_identifier)
-    : object_(PluginObject::FromNPObject(object)),
-      identifier_(PP_MakeUndefined()) {
-  if (object_) {
-    identifier_ = NPIdentifierToPPVar(identifier);
-    if (identifier_.type == PP_VARTYPE_INT32 && !allow_integer_identifier)
-      identifier_.type = PP_VARTYPE_UNDEFINED;  // Mark it invalid.
-  }
-}
-
-NPObjectAccessorWithIdentifier::~NPObjectAccessorWithIdentifier() {
-  PpapiGlobals::Get()->GetVarTracker()->ReleaseVar(identifier_);
-}
-
-// TryCatch --------------------------------------------------------------------
-
-TryCatch::TryCatch(PP_Var* exception)
-    : has_exception_(exception && exception->type != PP_VARTYPE_UNDEFINED),
-      exception_(exception) {
-  WebBindings::pushExceptionHandler(&TryCatch::Catch, this);
-}
-
-TryCatch::~TryCatch() {
-  WebBindings::popExceptionHandler();
-}
-
-void TryCatch::SetException(const char* message) {
-  if (!has_exception()) {
-    has_exception_ = true;
-    if (exception_) {
-      *exception_ = ::ppapi::StringVar::StringToPPVar(message, strlen(message));
-    }
-  }
-}
-
-// static
-void TryCatch::Catch(void* self, const char* message) {
-  static_cast<TryCatch*>(self)->SetException(message);
-}
-
-}  // namespace ppapi
-}  // namespace webkit