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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_resource_event_notifier.h"
#include "base/bind.h"
#include "base/json/json_writer.h"
#include "base/values.h"
#include "chrome/browser/extensions/event_router.h"
#include "chrome/browser/profiles/profile.h"
#include "content/public/browser/browser_thread.h"
using content::BrowserThread;
namespace extensions {
const char kEventTypeKey[] = "type";
const char kSrcIdKey[] = "srcId";
const char kIsFinalEventKey[] = "isFinalEvent";
const char kResultCodeKey[] = "resultCode";
ApiResourceEventNotifier::ApiResourceEventNotifier(
EventRouter* router,
Profile* profile,
const std::string& src_extension_id,
int src_id,
const GURL& src_url)
: router_(router),
profile_(profile),
src_extension_id_(src_extension_id),
src_id_(src_id),
src_url_(src_url) {
}
// static
std::string ApiResourceEventNotifier::ApiResourceEventTypeToString(
ApiResourceEventType event_type) {
NOTREACHED();
return std::string();
}
ApiResourceEventNotifier::~ApiResourceEventNotifier() {}
void ApiResourceEventNotifier::DispatchEvent(const std::string &extension,
DictionaryValue* event) {
BrowserThread::PostTask(
BrowserThread::UI, FROM_HERE,
base::Bind(
&ApiResourceEventNotifier::DispatchEventOnUIThread, this, extension,
event));
}
void ApiResourceEventNotifier::DispatchEventOnUIThread(
const std::string &extension, DictionaryValue* event) {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
scoped_ptr<ListValue> arguments(new ListValue());
arguments->Set(0, event);
router_->DispatchEventToExtension(src_extension_id_, extension,
arguments.Pass(), profile_, src_url_);
}
DictionaryValue* ApiResourceEventNotifier::CreateApiResourceEvent(
ApiResourceEventType event_type) {
DictionaryValue* event = new DictionaryValue();
event->SetString(kEventTypeKey, ApiResourceEventTypeToString(event_type));
event->SetInteger(kSrcIdKey, src_id_);
// TODO(miket): Signal that it's OK to clean up onEvent listeners. This is
// the framework we'll use, but we need to start using it.
event->SetBoolean(kIsFinalEventKey, false);
// The caller owns the created event, which typically is then given to a
// ListValue to dispose of.
return event;
}
} // namespace extensions
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