1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #include "content/ppapi_plugin/plugin_process_dispatcher.h" 6 7 #include "base/bind.h" 8 #include "base/bind_helpers.h" 9 #include "content/child/child_process.h" 10 11 namespace content { 12 namespace { 13 14 // How long we wait before releasing the plugin process. 15 const int kPluginReleaseTimeSeconds = 30; 16 17 } // namespace 18 19 PluginProcessDispatcher::PluginProcessDispatcher( 20 PP_GetInterface_Func get_interface, 21 const ppapi::PpapiPermissions& permissions, 22 bool incognito) 23 : ppapi::proxy::PluginDispatcher(get_interface, 24 permissions, 25 incognito) { 26 ChildProcess::current()->AddRefProcess(); 27 } 28 29 PluginProcessDispatcher::~PluginProcessDispatcher() { 30 // Don't free the process right away. This timer allows the child process 31 // to be re-used if the user rapidly goes to a new page that requires this 32 // plugin. This is the case for common plugins where they may be used on a 33 // source and destination page of a navigation. We don't want to tear down 34 // and re-start processes each time in these cases. 35 base::MessageLoop::current()->PostDelayedTask( 36 FROM_HERE, 37 base::Bind(&ChildProcess::ReleaseProcess, 38 base::Unretained(ChildProcess::current())), 39 base::TimeDelta::FromSeconds(kPluginReleaseTimeSeconds)); 40 } 41 42 } // namespace content 43
