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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/api_function.h"
#include "base/bind.h"
#include "chrome/browser/extensions/api/api_resource_controller.h"
#include "chrome/browser/extensions/api/api_resource_event_notifier.h"
#include "chrome/browser/extensions/extension_service.h"
#include "chrome/browser/profiles/profile.h"
#include "content/public/browser/browser_thread.h"
using content::BrowserThread;
namespace extensions {
bool AsyncIOAPIFunction::RunImpl() {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
extension_service_ = profile()->GetExtensionService();
if (!Prepare()) {
return false;
}
bool rv = BrowserThread::PostTask(
BrowserThread::IO, FROM_HERE,
base::Bind(&AsyncIOAPIFunction::WorkOnIOThread, this));
DCHECK(rv);
return true;
}
void AsyncIOAPIFunction::WorkOnIOThread() {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
Work();
bool rv = BrowserThread::PostTask(
BrowserThread::UI, FROM_HERE,
base::Bind(&AsyncIOAPIFunction::RespondOnUIThread, this));
DCHECK(rv);
}
void AsyncIOAPIFunction::RespondOnUIThread() {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
SendResponse(Respond());
}
int AsyncIOAPIFunction::ExtractSrcId(size_t argument_position) {
scoped_ptr<DictionaryValue> options(new DictionaryValue());
if (args_->GetSize() > argument_position) {
DictionaryValue* temp_options = NULL;
if (args_->GetDictionary(argument_position, &temp_options))
options.reset(temp_options->DeepCopy());
}
// If we tacked on a srcId to the options object, pull it out here to provide
// to the Socket.
int src_id = -1;
if (options->HasKey(kSrcIdKey)) {
EXTENSION_FUNCTION_VALIDATE(options->GetInteger(kSrcIdKey, &src_id));
}
return src_id;
}
APIResourceEventNotifier* AsyncIOAPIFunction::CreateEventNotifier(int src_id) {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
return new APIResourceEventNotifier(
profile()->GetExtensionEventRouter(), profile(), extension_id(),
src_id, source_url());
}
APIResourceController* AsyncIOAPIFunction::controller() {
// ExtensionService's APIResourceController is set exactly once, long before
// this code is reached, so it's safe to access it on either the IO or UI
// thread.
return extension_service_->api_resource_controller();
}
} // namespace extensions
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