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Unified Diff: webkit/glue/plugins/pepper_var.cc

Issue 5828003: Move the Pepper implementation from webkit/glue/plugins/pepper_* to... (Closed) Base URL: svn://chrome-svn/chrome/trunk/src/
Patch Set: '' Created 10 years ago
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Index: webkit/glue/plugins/pepper_var.cc
===================================================================
--- webkit/glue/plugins/pepper_var.cc (revision 69381)
+++ webkit/glue/plugins/pepper_var.cc (working copy)
@@ -1,869 +0,0 @@
-// Copyright (c) 2010 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/glue/plugins/pepper_var.h"
-
-#include <limits>
-
-#include "base/logging.h"
-#include "base/scoped_ptr.h"
-#include "base/string_util.h"
-#include "ppapi/c/dev/ppb_var_deprecated.h"
-#include "ppapi/c/ppb_var.h"
-#include "ppapi/c/pp_var.h"
-#include "third_party/WebKit/WebKit/chromium/public/WebBindings.h"
-#include "webkit/glue/plugins/pepper_common.h"
-#include "webkit/glue/plugins/pepper_plugin_instance.h"
-#include "webkit/glue/plugins/pepper_plugin_module.h"
-#include "webkit/glue/plugins/pepper_plugin_object.h"
-#include "v8/include/v8.h"
-
-using WebKit::WebBindings;
-
-namespace pepper {
-
-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: {
- scoped_refptr<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<ObjectVar> object(ObjectVar::FromPPVar(var));
- if (!object) {
- 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 module() getter is also set up properly and ready to
-// use.
-class ObjectAccessorTryCatch : public TryCatch {
- public:
- ObjectAccessorTryCatch(PP_Var object, PP_Var* exception)
- : TryCatch(NULL, exception),
- object_(ObjectVar::FromPPVar(object)) {
- if (!object_) {
- // No object or an invalid object was given. This means we have no module
- // to associated with the exception text, so use the magic invalid object
- // exception.
- SetInvalidObjectException();
- } else {
- // When the object is valid, we have a valid module to associate
- set_module(object_->module());
- }
- }
-
- ObjectVar* object() { return object_.get(); }
-
- protected:
- scoped_refptr<ObjectVar> 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 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_ = Var::PPVarToNPIdentifier(identifier);
- if (!identifier_)
- SetException(kInvalidPropertyException);
- }
- }
-
- NPIdentifier identifier() const { return identifier_; }
-
- private:
- NPIdentifier identifier_;
-
- DISALLOW_COPY_AND_ASSIGN(ObjectAccessorWithIdentifierTryCatch);
-};
-
-PP_Var RunJSFunction(PP_Var scope_var,
- const char* function_script,
- PP_Var* argv,
- unsigned argc,
- PP_Var* exception) {
- TryCatch try_catch(NULL, exception);
- if (try_catch.has_exception())
- return PP_MakeUndefined();
-
- scoped_refptr<ObjectVar> obj = ObjectVar::FromPPVar(scope_var);
- if (!obj) {
- try_catch.SetInvalidObjectException();
- return PP_MakeUndefined();
- }
-
- try_catch.set_module(obj->module());
-
- scoped_array<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.
- try_catch.SetException(kInvalidValueException);
- return PP_MakeUndefined();
- }
- }
- }
-
- NPVariant function_var;
- VOID_TO_NPVARIANT(function_var);
- NPString function_string = { function_script, strlen(function_script) };
- if (!WebBindings::evaluate(NULL, obj->np_object(), &function_string,
- &function_var)) {
- try_catch.SetException(kInvalidValueException);
- return PP_MakeUndefined();
- }
- DCHECK(NPVARIANT_IS_OBJECT(function_var));
- DCHECK(!try_catch.has_exception());
-
- NPVariant result_var;
- VOID_TO_NPVARIANT(result_var);
- PP_Var result;
-
- if (WebBindings::invokeDefault(NULL, NPVARIANT_TO_OBJECT(function_var),
- args.get(), argc, &result_var)) {
- result = Var::NPVariantToPPVar(obj->module(), &result_var);
- } else {
- DCHECK(try_catch.has_exception());
- result = PP_MakeUndefined();
- }
-
- WebBindings::releaseVariantValue(&function_var);
- WebBindings::releaseVariantValue(&result_var);
- return result;
-}
-
-// PPB_Var methods -------------------------------------------------------------
-
-PP_Var VarFromUtf8(PP_Module module_id, const char* data, uint32_t len) {
- PluginModule* module = ResourceTracker::Get()->GetModule(module_id);
- if (!module)
- return PP_MakeNull();
- return StringVar::StringToPPVar(module, data, len);
-}
-
-const char* VarToUtf8(PP_Var var, uint32_t* len) {
- scoped_refptr<StringVar> str(StringVar::FromPPVar(var));
- if (!str) {
- *len = 0;
- return NULL;
- }
- *len = static_cast<uint32_t>(str->value().size());
- if (str->value().empty())
- return ""; // Don't return NULL on success.
- return str->value().data();
-}
-
-PP_Var ConvertType(PP_Instance instance,
- struct PP_Var var,
- PP_VarType new_type,
- PP_Var* exception) {
- TryCatch try_catch(NULL, exception);
- if (try_catch.has_exception())
- return PP_MakeUndefined();
-
- if (var.type == new_type)
- return var;
-
- PluginInstance* plugin_instance =
- ResourceTracker::Get()->GetInstance(instance);
- if (!plugin_instance) {
- try_catch.SetInvalidObjectException();
- return PP_MakeUndefined();
- }
-
- try_catch.set_module(plugin_instance->module());
- PP_Var object = plugin_instance->GetWindowObject();
-
- PP_Var params[] = {
- var,
- PP_MakeInt32(new_type),
- PP_MakeInt32(PP_VARTYPE_NULL),
- PP_MakeInt32(PP_VARTYPE_BOOL),
- PP_MakeInt32(PP_VARTYPE_INT32),
- PP_MakeInt32(PP_VARTYPE_DOUBLE),
- PP_MakeInt32(PP_VARTYPE_STRING),
- PP_MakeInt32(PP_VARTYPE_OBJECT)
- };
- PP_Var result = RunJSFunction(object,
- "(function(v, new_type, type_null, type_bool, type_int32, type_double,"
- " type_string, type_object) {"
- " switch(new_type) {"
- " case type_null: return null;"
- " case type_bool: return Boolean(v);"
- " case type_int32: case type_double: return Number(v);"
- " case type_string: return String(v);"
- " case type_object: return Object(v);"
- " default: return undefined;"
- " }})",
- params, sizeof(params) / sizeof(PP_Var), exception);
-
- // Massage Number into the correct type.
- if (new_type == PP_VARTYPE_INT32 && result.type == PP_VARTYPE_DOUBLE) {
- double value = result.value.as_double;
- // Exclusive test wouldn't deal with NaNs correctly.
- if (value >= std::numeric_limits<int32_t>::max()
- && value <= std::numeric_limits<int32_t>::min())
- result = PP_MakeInt32(static_cast<int32_t>(value));
- else
- result = PP_MakeInt32(0);
- } else if (new_type == PP_VARTYPE_DOUBLE && result.type == PP_VARTYPE_INT32) {
- result = PP_MakeDouble(result.value.as_int);
- }
-
- Var::PluginReleasePPVar(object);
- return result;
-}
-
-PP_Var BoolToPPVar(bool value) {
- return PP_MakeBool(BoolToPPBool(value));
-}
-
-void DefineProperty(struct PP_Var object,
- struct PP_ObjectProperty property,
- PP_Var* exception) {
- PP_Var params[] = {
- object, property.name,
- BoolToPPVar(!!(property.modifiers & PP_OBJECTPROPERTY_MODIFIER_HASVALUE)),
- property.value,
- BoolToPPVar(property.getter.type == PP_VARTYPE_OBJECT),
- property.getter,
- BoolToPPVar(property.setter.type == PP_VARTYPE_OBJECT),
- property.setter,
- BoolToPPVar(!!(property.modifiers & PP_OBJECTPROPERTY_MODIFIER_READONLY)),
- BoolToPPVar(!!(property.modifiers & PP_OBJECTPROPERTY_MODIFIER_DONTDELETE)),
- BoolToPPVar(!!(property.modifiers & PP_OBJECTPROPERTY_MODIFIER_DONTENUM))
- };
-
- RunJSFunction(object,
- "(function(o, name,"
- " has_value, value,"
- " has_getter, getter,"
- " has_setter, setter,"
- " modifier_readonly, modifier_dontdelete, modifier_dontenum) {"
- " prop = { 'enumerable': !modifier_dontenum,"
- " 'configurable': !modifier_dontdelete };"
- " if (has_value && !modifier_readonly) prop.writable = true;"
- " if (has_value) prop.value = value;"
- " if (has_getter) prop.get = getter;"
- " if (has_setter) prop.set = setter;"
- " return Object.defineProperty(o, name, prop); })",
- params, sizeof(params) / sizeof(PP_Var), exception);
-}
-
-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 = Var::NPVariantToPPVar(accessor.object()->module(), &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] = Var::NPIdentifierToPPVar(accessor.object()->module(),
- 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);
-}
-
-PP_Bool DeleteProperty(PP_Var var,
- PP_Var name,
- PP_Var* exception) {
- ObjectAccessorWithIdentifierTryCatch accessor(var, name, exception);
- if (accessor.has_exception())
- return PP_FALSE;
-
- return BoolToPPBool(
- WebBindings::removeProperty(NULL,
- accessor.object()->np_object(),
- accessor.identifier()));
-}
-
-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_Bool IsCallable(struct PP_Var object) {
- PP_Var result = RunJSFunction(object,
- "(function() { return typeof(this) == 'function' })", NULL, 0, NULL);
- if (result.type == PP_VARTYPE_BOOL)
- return result.value.as_bool;
- return PP_FALSE;
-}
-
-struct PP_Var Call(struct PP_Var object,
- struct PP_Var this_object,
- uint32_t argc,
- struct PP_Var* argv,
- struct PP_Var* exception) {
- ObjectAccessorTryCatch accessor(object, exception);
- if (accessor.has_exception())
- return PP_MakeUndefined();
-
- scoped_array<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::invokeDefault(NULL, accessor.object()->np_object(),
- args.get(), argc, &result)) {
- // An exception may have been raised.
- accessor.SetException(kUnableToCallMethodException);
- return PP_MakeUndefined();
- }
-
- PP_Var ret = Var::NPVariantToPPVar(accessor.module(), &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();
-
- 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 = Var::PPVarToNPIdentifier(method_name);
- if (!identifier) {
- accessor.SetException(kInvalidPropertyException);
- return PP_MakeUndefined();
- }
- } else {
- accessor.SetException(kInvalidPropertyException);
- return PP_MakeUndefined();
- }
-
- scoped_array<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 = Var::NPVariantToPPVar(accessor.module(), &result);
- WebBindings::releaseVariantValue(&result);
- return ret;
-}
-
-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_array<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 = Var::NPVariantToPPVar(accessor.module(), &result);
- WebBindings::releaseVariantValue(&result);
- return ret;
-}
-
-bool IsInstanceOfDeprecated(PP_Var var,
- const PPP_Class_Deprecated* ppp_class,
- void** ppp_class_data) {
- scoped_refptr<ObjectVar> object(ObjectVar::FromPPVar(var));
- if (!object)
- return false; // Not an object at all.
-
- return PluginObject::IsInstanceOf(object->np_object(),
- ppp_class, ppp_class_data);
-}
-
-PP_Var CreateObjectDeprecated(PP_Module module_id,
- const PPP_Class_Deprecated* ppp_class,
- void* ppp_class_data) {
- PluginModule* module = ResourceTracker::Get()->GetModule(module_id);
- if (!module)
- return PP_MakeNull();
- return PluginObject::Create(module, ppp_class, ppp_class_data);
-}
-
-const PPB_Var_Deprecated var_deprecated_interface = {
- &Var::PluginAddRefPPVar,
- &Var::PluginReleasePPVar,
- &VarFromUtf8,
- &VarToUtf8,
- &HasPropertyDeprecated,
- &HasMethodDeprecated,
- &GetProperty,
- &EnumerateProperties,
- &SetPropertyDeprecated,
- &DeletePropertyDeprecated,
- &CallDeprecated,
- &Construct,
- &IsInstanceOfDeprecated,
- &CreateObjectDeprecated
-};
-
-const PPB_Var var_interface = {
- &Var::PluginAddRefPPVar,
- &Var::PluginReleasePPVar,
- &VarFromUtf8,
- &VarToUtf8,
- &ConvertType,
- &DefineProperty,
- &HasProperty,
- &GetProperty,
- &DeleteProperty,
- &EnumerateProperties,
- &IsCallable,
- &Call,
- &Construct,
-};
-
-
-} // namespace
-
-// Var -------------------------------------------------------------------------
-
-Var::Var(PluginModule* module) : Resource(module) {
-}
-
-Var::~Var() {
-}
-
-Var* Var::AsVar() {
- return this;
-}
-
-// static
-PP_Var Var::NPVariantToPPVar(PluginModule* module, const NPVariant* variant) {
- switch (variant->type) {
- case NPVariantType_Void:
- return PP_MakeUndefined();
- case NPVariantType_Null:
- return PP_MakeNull();
- case NPVariantType_Bool:
- return BoolToPPVar(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(
- module,
- NPVARIANT_TO_STRING(*variant).UTF8Characters,
- NPVARIANT_TO_STRING(*variant).UTF8Length);
- case NPVariantType_Object:
- return ObjectVar::NPObjectToPPVar(module, NPVARIANT_TO_OBJECT(*variant));
- }
- NOTREACHED();
- return PP_MakeUndefined();
-}
-
-// static
-NPIdentifier Var::PPVarToNPIdentifier(PP_Var var) {
- switch (var.type) {
- case PP_VARTYPE_STRING: {
- scoped_refptr<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;
- }
-}
-
-// static
-PP_Var Var::NPIdentifierToPPVar(PluginModule* module, 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(module, string_value);
-
- return PP_MakeInt32(int_value);
-}
-
-// static
-void Var::PluginAddRefPPVar(PP_Var var) {
- if (var.type == PP_VARTYPE_STRING || var.type == PP_VARTYPE_OBJECT) {
- // TODO(brettw) consider checking that the ID is actually a var ID rather
- // than some random other resource ID.
- PP_Resource resource = static_cast<PP_Resource>(var.value.as_id);
- if (!ResourceTracker::Get()->AddRefResource(resource))
- DLOG(WARNING) << "AddRefVar()ing a nonexistant string/object var.";
- }
-}
-
-// static
-void Var::PluginReleasePPVar(PP_Var var) {
- if (var.type == PP_VARTYPE_STRING || var.type == PP_VARTYPE_OBJECT) {
- // TODO(brettw) consider checking that the ID is actually a var ID rather
- // than some random other resource ID.
- PP_Resource resource = static_cast<PP_Resource>(var.value.as_id);
- if (!ResourceTracker::Get()->UnrefResource(resource))
- DLOG(WARNING) << "ReleaseVar()ing a nonexistant string/object var.";
- }
-}
-
-// static
-const PPB_Var_Deprecated* Var::GetDeprecatedInterface() {
- return &var_deprecated_interface;
-}
-
-const PPB_Var* Var::GetInterface() {
- return &var_interface;
-}
-
-// StringVar -------------------------------------------------------------------
-
-StringVar::StringVar(PluginModule* module, const char* str, uint32 len)
- : Var(module),
- value_(str, len) {
-}
-
-StringVar::~StringVar() {
-}
-
-StringVar* StringVar::AsStringVar() {
- return this;
-}
-
-// static
-PP_Var StringVar::StringToPPVar(PluginModule* module, const std::string& var) {
- return StringToPPVar(module, var.c_str(), var.size());
-}
-
-// static
-PP_Var StringVar::StringToPPVar(PluginModule* module,
- const char* data, uint32 len) {
- scoped_refptr<StringVar> str(new StringVar(module, data, len));
- if (!str || !IsStringUTF8(str->value()))
- return PP_MakeNull();
-
- PP_Var ret;
- ret.type = PP_VARTYPE_STRING;
-
- // The caller takes ownership now.
- ret.value.as_id = str->GetReference();
- return ret;
-}
-
-// static
-scoped_refptr<StringVar> StringVar::FromPPVar(PP_Var var) {
- if (var.type != PP_VARTYPE_STRING)
- return scoped_refptr<StringVar>(NULL);
- PP_Resource resource = static_cast<PP_Resource>(var.value.as_id);
- return Resource::GetAs<StringVar>(resource);
-}
-
-// ObjectVar -------------------------------------------------------------
-
-ObjectVar::ObjectVar(PluginModule* module, NPObject* np_object)
- : Var(module),
- np_object_(np_object) {
- WebBindings::retainObject(np_object_);
- module->AddNPObjectVar(this);
-}
-
-ObjectVar::~ObjectVar() {
- module()->RemoveNPObjectVar(this);
- WebBindings::releaseObject(np_object_);
-}
-
-ObjectVar* ObjectVar::AsObjectVar() {
- return this;
-}
-
-// static
-PP_Var ObjectVar::NPObjectToPPVar(PluginModule* module, NPObject* object) {
- scoped_refptr<ObjectVar> object_var(module->ObjectVarForNPObject(object));
- if (!object_var) // No object for this module yet, make a new one.
- object_var = new ObjectVar(module, object);
-
- if (!object_var)
- return PP_MakeUndefined();
-
- // Convert to a PP_Var, GetReference will AddRef for us.
- PP_Var result;
- result.type = PP_VARTYPE_OBJECT;
- result.value.as_id = object_var->GetReference();
- return result;
-}
-
-// static
-scoped_refptr<ObjectVar> ObjectVar::FromPPVar(PP_Var var) {
- if (var.type != PP_VARTYPE_OBJECT)
- return scoped_refptr<ObjectVar>(NULL);
- PP_Resource resource = static_cast<PP_Resource>(var.value.as_id);
- return Resource::GetAs<ObjectVar>(resource);
-}
-
-// TryCatch --------------------------------------------------------------------
-
-TryCatch::TryCatch(PluginModule* module, PP_Var* exception)
- : module_(module),
- 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 (!module_) {
- // Don't have a module to make the string.
- SetInvalidObjectException();
- return;
- }
-
- if (!has_exception()) {
- has_exception_ = true;
- if (exception_)
- *exception_ = StringVar::StringToPPVar(module_, message, strlen(message));
- }
-}
-
-void TryCatch::SetInvalidObjectException() {
- if (!has_exception()) {
- has_exception_ = true;
- // TODO(brettw) bug 54504: Have a global singleton string that can hold
- // a generic error message.
- if (exception_)
- *exception_ = PP_MakeInt32(1);
- }
-}
-
-// static
-void TryCatch::Catch(void* self, const char* message) {
- static_cast<TryCatch*>(self)->SetException(message);
-}
-
-} // namespace pepper
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