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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/android/process_utils.h"
#include <vector>
#include "base/lazy_instance.h"
#include "base/logging.h"
#include "chrome/browser/browser_process.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/profiles/profile_manager.h"
#include "chrome/common/render_messages.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/browser/render_process_host.h"
#include "jni/ProcessUtils_jni.h"
#include "net/http/http_network_session.h"
#include "net/http/http_transaction_factory.h"
#include "net/url_request/url_request_context.h"
#include "net/url_request/url_request_context_getter.h"
namespace {
void CloseIdleConnectionsForProfile(
scoped_refptr<net::URLRequestContextGetter> context_getter) {
DCHECK(context_getter.get());
if (!content::BrowserThread::CurrentlyOn(content::BrowserThread::IO)) {
content::BrowserThread::PostTask(content::BrowserThread::IO, FROM_HERE,
base::Bind(&CloseIdleConnectionsForProfile,
context_getter));
return;
}
net::URLRequestContext* context = context_getter->GetURLRequestContext();
DCHECK(context->http_transaction_factory());
net::HttpNetworkSession* session =
context->http_transaction_factory()->GetSession();
DCHECK(session);
}
// Only accessed from the JNI thread by ToggleWebKitSharedTimers() which is
// implemented below.
base::LazyInstance<std::vector<int /* process id */> > g_suspended_processes =
LAZY_INSTANCE_INITIALIZER;
// Suspends timers in all current render processes.
void SuspendWebKitSharedTimers(std::vector<int>* suspended_processes) {
for (content::RenderProcessHost::iterator i(
content::RenderProcessHost::AllHostsIterator());
!i.IsAtEnd(); i.Advance()) {
content::RenderProcessHost* host = i.GetCurrentValue();
suspended_processes->push_back(host->GetID());
host->Send(new ChromeViewMsg_ToggleWebKitSharedTimer(true));
}
}
void ResumeWebkitSharedTimers(const std::vector<int>& suspended_processes) {
for (std::vector<int>::const_iterator it = suspended_processes.begin();
it != suspended_processes.end(); ++it) {
content::RenderProcessHost* host = content::RenderProcessHost::FromID(*it);
if (host)
host->Send(new ChromeViewMsg_ToggleWebKitSharedTimer(false));
}
}
} // namespace
static void ToggleWebKitSharedTimers(JNIEnv* env,
jclass obj,
jboolean suspend) {
std::vector<int>* suspended_processes = &g_suspended_processes.Get();
if (suspend) {
DCHECK(suspended_processes->empty());
SuspendWebKitSharedTimers(suspended_processes);
} else {
ResumeWebkitSharedTimers(*suspended_processes);
suspended_processes->clear();
}
}
static void CloseIdleConnections(JNIEnv* env, jclass obj) {
// Iterate through all loaded profiles (and their associated incognito
// profiles if created), and close the idle connections associated with each
// one.
std::vector<Profile*> profiles(
g_browser_process->profile_manager()->GetLoadedProfiles());
for (std::vector<Profile*>::iterator i = profiles.begin();
i != profiles.end(); i++) {
Profile* profile = *i;
CloseIdleConnectionsForProfile(profile->GetRequestContext());
if (profile->HasOffTheRecordProfile()) {
CloseIdleConnectionsForProfile(
profile->GetOffTheRecordProfile()->GetRequestContext());
}
}
}
bool RegisterProcessUtils(JNIEnv* env) {
return RegisterNativesImpl(env);
}
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