cef/libcef/browser/extensions/event_router_forwarder.cc

132 lines
4.6 KiB
C++

// 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 "libcef/browser/extensions/event_router_forwarder.h"
#include "libcef/browser/browser_context_impl.h"
#include "base/bind.h"
#include "base/values.h"
#include "content/public/browser/browser_thread.h"
#include "extensions/browser/event_router.h"
#include "url/gurl.h"
using content::BrowserThread;
namespace extensions {
EventRouterForwarder::EventRouterForwarder() {
}
EventRouterForwarder::~EventRouterForwarder() {
}
void EventRouterForwarder::BroadcastEventToRenderers(
events::HistogramValue histogram_value,
const std::string& event_name,
scoped_ptr<base::ListValue> event_args,
const GURL& event_url) {
HandleEvent(std::string(), histogram_value, event_name, event_args.Pass(), 0,
true, event_url);
}
void EventRouterForwarder::DispatchEventToRenderers(
events::HistogramValue histogram_value,
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(std::string(), histogram_value, event_name, event_args.Pass(),
profile, use_profile_to_restrict_events, event_url);
}
void EventRouterForwarder::BroadcastEventToExtension(
const std::string& extension_id,
events::HistogramValue histogram_value,
const std::string& event_name,
scoped_ptr<base::ListValue> event_args,
const GURL& event_url) {
HandleEvent(extension_id, histogram_value, event_name, event_args.Pass(), 0,
true, event_url);
}
void EventRouterForwarder::DispatchEventToExtension(
const std::string& extension_id,
events::HistogramValue histogram_value,
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, histogram_value, event_name, event_args.Pass(),
profile, use_profile_to_restrict_events, event_url);
}
void EventRouterForwarder::HandleEvent(const std::string& extension_id,
events::HistogramValue histogram_value,
const std::string& event_name,
scoped_ptr<base::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,
histogram_value, event_name, base::Passed(&event_args),
profile_ptr, use_profile_to_restrict_events, event_url));
return;
}
content::BrowserContext* profile = NULL;
if (profile_ptr) {
profile = reinterpret_cast<content::BrowserContext*>(profile_ptr);
if (CefBrowserContextImpl::GetForContext(profile) == NULL)
return;
}
if (profile) {
CallEventRouter(profile, extension_id, histogram_value, event_name,
event_args.Pass(),
use_profile_to_restrict_events ? profile : NULL, event_url);
} else {
std::vector<CefBrowserContextImpl*> profiles(
CefBrowserContextImpl::GetAll());
for (size_t i = 0; i < profiles.size(); ++i) {
scoped_ptr<base::ListValue> per_profile_event_args(
event_args->DeepCopy());
CallEventRouter(profiles[i], extension_id, histogram_value, event_name,
per_profile_event_args.Pass(),
use_profile_to_restrict_events ? profiles[i] : NULL,
event_url);
}
}
}
void EventRouterForwarder::CallEventRouter(
content::BrowserContext* profile,
const std::string& extension_id,
events::HistogramValue histogram_value,
const std::string& event_name,
scoped_ptr<base::ListValue> event_args,
content::BrowserContext* restrict_to_profile,
const GURL& event_url) {
scoped_ptr<Event> event(
new Event(histogram_value, event_name, event_args.Pass()));
event->restrict_to_browser_context = restrict_to_profile;
event->event_url = event_url;
if (extension_id.empty()) {
extensions::EventRouter::Get(profile)->BroadcastEvent(event.Pass());
} else {
extensions::EventRouter::Get(profile)
->DispatchEventToExtension(extension_id, event.Pass());
}
}
} // namespace extensions