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// 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 "chrome/browser/extensions/api/declarative/declarative_api.h"
#include "base/bind.h"
#include "base/bind_helpers.h"
#include "base/values.h"
#include "chrome/browser/extensions/api/declarative/rules_registry_service.h"
#include "chrome/browser/extensions/extension_system_factory.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/common/extensions/api/experimental.declarative.h"
#include "content/public/browser/browser_thread.h"
using extensions::api::experimental_declarative::Rule;
namespace AddRules = extensions::api::experimental_declarative::AddRules;
namespace GetRules = extensions::api::experimental_declarative::GetRules;
namespace RemoveRules = extensions::api::experimental_declarative::RemoveRules;
namespace {
// Adds all entries from |list| to |out|. Assumes that all entries of |list|
// are strings. Returns true if successful.
bool AddAllStringValues(ListValue* list, std::vector<std::string>* out) {
for (ListValue::iterator i = list->begin(); i != list->end(); ++i) {
std::string value;
if (!(*i)->GetAsString(&value))
return false;
out->push_back(value);
}
return true;
}
} // namespace
namespace extensions {
RulesFunction::RulesFunction() : rules_registry_(NULL) {}
RulesFunction::~RulesFunction() {}
bool RulesFunction::RunImpl() {
std::string event_name;
EXTENSION_FUNCTION_VALIDATE(args_->GetString(0, &event_name));
RulesRegistryService* rules_registry_service =
ExtensionSystemFactory::GetForProfile(profile())->
rules_registry_service();
rules_registry_ = rules_registry_service->GetRulesRegistry(event_name);
// Raw access to this function is not available to extensions, therefore
// there should never be a request for a nonexisting rules registry.
EXTENSION_FUNCTION_VALIDATE(rules_registry_);
if (content::BrowserThread::CurrentlyOn(rules_registry_->GetOwnerThread())) {
RunImplOnCorrectThread();
SendResponseOnUIThread();
} else {
content::BrowserThread::PostTaskAndReply(
rules_registry_->GetOwnerThread(), FROM_HERE,
base::Bind(base::IgnoreResult(&RulesFunction::RunImplOnCorrectThread),
this),
base::Bind(&RulesFunction::SendResponseOnUIThread, this));
}
return true;
}
void RulesFunction::SendResponseOnUIThread() {
SendResponse(error_.empty());
}
bool AddRulesFunction::RunImplOnCorrectThread() {
scoped_ptr<AddRules::Params> params(AddRules::Params::Create(*args_));
EXTENSION_FUNCTION_VALIDATE(params.get());
error_ = rules_registry_->AddRules(extension_id(), params->rules);
if (error_.empty())
result_.reset(AddRules::Result::Create(params->rules));
return error_.empty();
}
bool RemoveRulesFunction::RunImplOnCorrectThread() {
scoped_ptr<RemoveRules::Params> params(RemoveRules::Params::Create(*args_));
EXTENSION_FUNCTION_VALIDATE(params.get());
if (params->rule_identifiers.get()) {
error_ = rules_registry_->RemoveRules(extension_id(),
*params->rule_identifiers);
} else {
error_ = rules_registry_->RemoveAllRules(extension_id());
}
return error_.empty();
}
bool GetRulesFunction::RunImplOnCorrectThread() {
scoped_ptr<RemoveRules::Params> params(RemoveRules::Params::Create(*args_));
EXTENSION_FUNCTION_VALIDATE(params.get());
std::vector<linked_ptr<Rule> > rules;
if (params->rule_identifiers.get()) {
error_ = rules_registry_->GetRules(extension_id(),
*params->rule_identifiers,
&rules);
} else {
error_ = rules_registry_->GetAllRules(extension_id(), &rules);
}
if (error_.empty())
result_.reset(GetRules::Result::Create(rules));
return error_.empty();
}
} // namespace extensions
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