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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/event_router_forwarder.h"
#include "base/bind.h"
#include "base/values.h"
#include "chrome/browser/browser_process.h"
#include "chrome/browser/extensions/event_router.h"
#include "chrome/browser/extensions/extension_system.h"
#include "chrome/browser/profiles/profile_manager.h"
#include "googleurl/src/gurl.h"
using content::BrowserThread;
namespace extensions {
EventRouterForwarder::EventRouterForwarder() {
}
EventRouterForwarder::~EventRouterForwarder() {
}
void EventRouterForwarder::BroadcastEventToRenderers(
const std::string& event_name,
scoped_ptr<base::ListValue> event_args,
const GURL& event_url) {
HandleEvent("", event_name, event_args.Pass(), 0, true, event_url);
}
void EventRouterForwarder::DispatchEventToRenderers(
const std::string& event_name,
scoped_ptr<base::ListValue> event_args,
void* profile,
bool use_profile_to_restrict_events,
const GURL& event_url) {
if (!profile)
return;
HandleEvent("", event_name, event_args.Pass(), profile,
use_profile_to_restrict_events, event_url);
}
void EventRouterForwarder::BroadcastEventToExtension(
const std::string& extension_id,
const std::string& event_name,
scoped_ptr<base::ListValue> event_args,
const GURL& event_url) {
HandleEvent(extension_id, event_name, event_args.Pass(), 0, true, event_url);
}
void EventRouterForwarder::DispatchEventToExtension(
const std::string& extension_id,
const std::string& event_name,
scoped_ptr<base::ListValue> event_args,
void* profile,
bool use_profile_to_restrict_events,
const GURL& event_url) {
if (!profile)
return;
HandleEvent(extension_id, event_name, event_args.Pass(), profile,
use_profile_to_restrict_events, event_url);
}
void EventRouterForwarder::HandleEvent(const std::string& extension_id,
const std::string& event_name,
scoped_ptr<ListValue> event_args,
void* profile_ptr,
bool use_profile_to_restrict_events,
const GURL& event_url) {
if (!BrowserThread::CurrentlyOn(BrowserThread::UI)) {
BrowserThread::PostTask(
BrowserThread::UI, FROM_HERE,
base::Bind(&EventRouterForwarder::HandleEvent, this,
extension_id, event_name, base::Passed(&event_args),
profile_ptr, use_profile_to_restrict_events, event_url));
return;
}
if (!g_browser_process || !g_browser_process->profile_manager())
return;
ProfileManager* profile_manager = g_browser_process->profile_manager();
Profile* profile = NULL;
if (profile_ptr) {
profile = reinterpret_cast<Profile*>(profile_ptr);
if (!profile_manager->IsValidProfile(profile))
return;
}
if (profile) {
CallEventRouter(profile, extension_id, event_name, event_args.Pass(),
use_profile_to_restrict_events ? profile : NULL, event_url);
} else {
std::vector<Profile*> profiles(profile_manager->GetLoadedProfiles());
for (size_t i = 0; i < profiles.size(); ++i) {
scoped_ptr<ListValue> per_profile_event_args(event_args->DeepCopy());
CallEventRouter(
profiles[i], extension_id, event_name, per_profile_event_args.Pass(),
use_profile_to_restrict_events ? profiles[i] : NULL, event_url);
}
}
}
void EventRouterForwarder::CallEventRouter(Profile* profile,
const std::string& extension_id,
const std::string& event_name,
scoped_ptr<ListValue> event_args,
Profile* restrict_to_profile,
const GURL& event_url) {
// We may not have an extension in cases like chromeos login
// (crosbug.com/12856), chrome_frame_net_tests.exe which reuses the chrome
// browser single process framework.
if (!extensions::ExtensionSystem::Get(profile)->event_router())
return;
scoped_ptr<Event> event(new Event(event_name, event_args.Pass()));
event->restrict_to_profile = restrict_to_profile;
event->event_url = event_url;
if (extension_id.empty()) {
ExtensionSystem::Get(profile)->event_router()->BroadcastEvent(event.Pass());
} else {
ExtensionSystem::Get(profile)->event_router()->
DispatchEventToExtension(extension_id, event.Pass());
}
}
} // namespace extensions
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