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// Copyright (c) 2006-2008 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 "o3d/gpu_plugin/np_utils/np_dispatcher.h"
namespace gpu_plugin {
bool DispatcherHasMethodHelper(BaseNPDispatcher* chain,
NPObject* object,
NPIdentifier name) {
for (BaseNPDispatcher* dispatcher = chain;
dispatcher;
dispatcher = dispatcher->next()) {
if (dispatcher->name() == name) {
return true;
}
}
return false;
}
bool DispatcherInvokeHelper(BaseNPDispatcher* chain,
NPObject* object,
NPIdentifier name,
const NPVariant* args,
uint32_t num_args,
NPVariant* result) {
VOID_TO_NPVARIANT(*result);
for (BaseNPDispatcher* dispatcher = chain;
dispatcher;
dispatcher = dispatcher->next()) {
if (dispatcher->name() == name && dispatcher->num_args() == num_args) {
if (dispatcher->Invoke(object, args, num_args, result))
return true;
}
}
return false;
}
bool DispatcherEnumerateHelper(BaseNPDispatcher* chain,
NPObject* object,
NPIdentifier** names,
uint32_t* num_names) {
// Count the number of names.
*num_names = 0;
for (BaseNPDispatcher* dispatcher = chain;
dispatcher;
dispatcher = dispatcher->next()) {
++(*num_names);
}
// Copy names into the array.
*names = static_cast<NPIdentifier*>(
NPBrowser::get()->MemAlloc((*num_names) * sizeof(**names)));
int i = 0;
for (BaseNPDispatcher* dispatcher = chain;
dispatcher;
dispatcher = dispatcher->next()) {
(*names)[i] = dispatcher->name();
++i;
}
return true;
}
BaseNPDispatcher::BaseNPDispatcher(BaseNPDispatcher* next, const NPUTF8* name)
: next_(next) {
// Convert first character to lower case if it is the ASCII range.
// TODO(apatrick): do this correctly for non-ASCII characters.
std::string java_script_style_name(name);
if (isupper(java_script_style_name[0])) {
java_script_style_name[0] = tolower(java_script_style_name[0]);
}
name_ = NPBrowser::get()->GetStringIdentifier(
java_script_style_name.c_str());
}
BaseNPDispatcher::~BaseNPDispatcher() {
}
} // namespace gpu_plugin
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