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// 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 "remoting/client/plugin/chromoting_scriptable_object.h"
#include "remoting/client/client_config.h"
#include "remoting/client/plugin/chromoting_instance.h"
#include "third_party/ppapi/cpp/var.h"
using pp::Var;
namespace remoting {
ChromotingScriptableObject::ChromotingScriptableObject(
ChromotingInstance* instance)
: instance_(instance) {
}
ChromotingScriptableObject::~ChromotingScriptableObject() {
}
void ChromotingScriptableObject::Init() {
// Property addition order should match the interface description at the
// top of chromoting_scriptable_object.h.
AddAttribute("onreadystatechange", Var());
AddAttribute("NOT_CONNECTED", Var(0));
AddAttribute("CONNECTED", Var(1));
AddMethod("connect", &ChromotingScriptableObject::DoConnect);
// TODO(ajwong): Figure out how to implement the status variable.
AddAttribute("status", Var("not_implemented_yet"));
}
bool ChromotingScriptableObject::HasProperty(const Var& name, Var* exception) {
// TODO(ajwong): Check if all these name.is_string() sentinels are required.
if (!name.is_string()) {
*exception = Var("HasProperty expects a string for the name.");
return false;
}
PropertyNameMap::const_iterator iter = property_names_.find(name.AsString());
if (iter == property_names_.end()) {
return false;
}
// TODO(ajwong): Investigate why ARM build breaks if you do:
// properties_[iter->second].method == NULL;
// Somehow the ARM compiler is thinking that the above is using
// NULL as an arithmetic expression.
return properties_[iter->second].method == 0;
}
bool ChromotingScriptableObject::HasMethod(const Var& name, Var* exception) {
// TODO(ajwong): Check if all these name.is_string() sentinels are required.
if (!name.is_string()) {
*exception = Var("HasMethod expects a string for the name.");
return false;
}
PropertyNameMap::const_iterator iter = property_names_.find(name.AsString());
if (iter == property_names_.end()) {
return false;
}
// See comment from HasProperty about why to use 0 instead of NULL here.
return properties_[iter->second].method != 0;
}
Var ChromotingScriptableObject::GetProperty(const Var& name, Var* exception) {
// TODO(ajwong): Check if all these name.is_string() sentinels are required.
if (!name.is_string()) {
*exception = Var("GetProperty expects a string for the name.");
return Var();
}
PropertyNameMap::const_iterator iter = property_names_.find(name.AsString());
// No property found.
if (iter == property_names_.end()) {
return ScriptableObject::GetProperty(name, exception);
}
// TODO(ajwong): This incorrectly return a null object if a function
// property is requested.
return properties_[iter->second].attribute;
}
void ChromotingScriptableObject::GetAllPropertyNames(
std::vector<Var>* properties,
Var* exception) {
for (size_t i = 0; i < properties_.size(); i++) {
properties->push_back(Var(properties_[i].name));
}
}
void ChromotingScriptableObject::SetProperty(const Var& name,
const Var& value,
Var* exception) {
// TODO(ajwong): Check if all these name.is_string() sentinels are required.
if (!name.is_string()) {
*exception = Var("SetProperty expects a string for the name.");
return;
}
// Only allow writing to onreadystatechange. See top of
// chromoting_scriptable_object.h for the object interface definition.
std::string property_name = name.AsString();
if (property_name != "onstatechange") {
*exception =
Var("Cannot set property " + property_name + " on this object.");
return;
}
// Since we're whitelisting the propertie that are settable above, we can
// assume that the property exists in the map.
properties_[property_names_[property_name]].attribute = value;
}
Var ChromotingScriptableObject::Call(const Var& method_name,
const std::vector<Var>& args,
Var* exception) {
PropertyNameMap::const_iterator iter =
property_names_.find(method_name.AsString());
if (iter == property_names_.end()) {
return pp::ScriptableObject::Call(method_name, args, exception);
}
return (this->*(properties_[iter->second].method))(args, exception);
}
void ChromotingScriptableObject::AddAttribute(const std::string& name,
Var attribute) {
property_names_[name] = properties_.size();
properties_.push_back(PropertyDescriptor(name, attribute));
}
void ChromotingScriptableObject::AddMethod(const std::string& name,
MethodHandler handler) {
property_names_[name] = properties_.size();
properties_.push_back(PropertyDescriptor(name, handler));
}
pp::Var ChromotingScriptableObject::DoConnect(const std::vector<Var>& args,
Var* exception) {
if (args.size() != 3) {
*exception = Var("Usage: connect(username, host_jid, auth_token");
return Var();
}
ClientConfig config;
if (!args[0].is_string()) {
*exception = Var("The username must be a string.");
return Var();
}
config.username = args[0].AsString();
if (!args[1].is_string()) {
*exception = Var("The host_jid must be a string.");
return Var();
}
config.host_jid = args[1].AsString();
if (!args[2].is_string()) {
*exception = Var("The auth_token must be a string.");
return Var();
}
config.auth_token = args[2].AsString();
instance_->Connect(config);
return Var();
}
} // namespace remoting
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