blob: 22c42c7152d6b6e024142ffaa31ca80fae6ec53f [file] [log] [blame]
// 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 "content/ppapi_plugin/plugin_process_dispatcher.h"
#include "base/bind.h"
#include "base/bind_helpers.h"
#include "content/common/child_process.h"
namespace {
// How long we wait before releasing the plugin process.
const int kPluginReleaseTimeSeconds = 30;
} // namespace
PluginProcessDispatcher::PluginProcessDispatcher(
base::ProcessHandle remote_process_handle,
PP_GetInterface_Func get_interface)
: ppapi::proxy::PluginDispatcher(remote_process_handle, get_interface) {
ChildProcess::current()->AddRefProcess();
}
PluginProcessDispatcher::~PluginProcessDispatcher() {
// Don't free the process right away. This timer allows the child process
// to be re-used if the user rapidly goes to a new page that requires this
// plugin. This is the case for common plugins where they may be used on a
// source and destination page of a navigation. We don't want to tear down
// and re-start processes each time in these cases.
MessageLoop::current()->PostDelayedTask(
FROM_HERE,
base::Bind(&ChildProcess::ReleaseProcess,
base::Unretained(ChildProcess::current())),
base::TimeDelta::FromSeconds(kPluginReleaseTimeSeconds));
}