blob: ff7ccb787fdb58805f34de33989f98549224e393 [file] [log] [blame]
// Copyright (c) 2010 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 "ppapi/proxy/plugin_dispatcher.h"
#include <map>
#include "base/compiler_specific.h"
#include "base/logging.h"
#include "ipc/ipc_message.h"
#include "ipc/ipc_sync_channel.h"
#include "ppapi/c/pp_errors.h"
#include "ppapi/proxy/interface_proxy.h"
#include "ppapi/proxy/plugin_var_serialization_rules.h"
#include "ppapi/proxy/ppapi_messages.h"
#include "ppapi/proxy/ppp_class_proxy.h"
namespace pp {
namespace proxy {
namespace {
PluginDispatcher* g_dispatcher = NULL;
const void* GetInterfaceFromDispatcher(const char* interface) {
// TODO(brettw) need some kind of lock for multi-thread access.
return pp::proxy::PluginDispatcher::Get()->GetProxiedInterface(interface);
}
} // namespace
PluginDispatcher::PluginDispatcher(base::ProcessHandle remote_process_handle,
GetInterfaceFunc get_interface,
InitModuleFunc init_module,
ShutdownModuleFunc shutdown_module)
: Dispatcher(remote_process_handle, get_interface),
init_module_(init_module),
shutdown_module_(shutdown_module),
plugin_resource_tracker_(new PluginResourceTracker(
ALLOW_THIS_IN_INITIALIZER_LIST(this))),
plugin_var_tracker_(new PluginVarTracker(
ALLOW_THIS_IN_INITIALIZER_LIST(this))) {
SetSerializationRules(
new PluginVarSerializationRules(plugin_var_tracker_.get()));
// As a plugin, we always support the PPP_Class interface. There's no
// GetInterface call or name for it, so we insert it into our table now.
InjectProxy(INTERFACE_ID_PPP_CLASS, "$Internal_PPP_Class",
new PPP_Class_Proxy(this));
}
PluginDispatcher::~PluginDispatcher() {
if (shutdown_module_)
shutdown_module_();
}
// static
PluginDispatcher* PluginDispatcher::Get() {
return g_dispatcher;
}
// static
void PluginDispatcher::SetGlobal(PluginDispatcher* dispatcher) {
DCHECK(!dispatcher || !g_dispatcher);
g_dispatcher = dispatcher;
}
bool PluginDispatcher::IsPlugin() const {
return true;
}
bool PluginDispatcher::OnMessageReceived(const IPC::Message& msg) {
if (msg.routing_id() == MSG_ROUTING_CONTROL) {
// Handle some plugin-specific control messages.
bool handled = true;
IPC_BEGIN_MESSAGE_MAP(PluginDispatcher, msg)
IPC_MESSAGE_HANDLER(PpapiMsg_InitializeModule, OnMsgInitializeModule)
IPC_MESSAGE_HANDLER(PpapiMsg_Shutdown, OnMsgShutdown)
// Forward all other control messages to the superclass.
IPC_MESSAGE_UNHANDLED(handled = Dispatcher::OnMessageReceived(msg))
IPC_END_MESSAGE_MAP()
return handled;
}
// All non-control messages get handled by the superclass.
return Dispatcher::OnMessageReceived(msg);
}
void PluginDispatcher::OnMsgInitializeModule(PP_Module pp_module,
bool* result) {
set_pp_module(pp_module);
*result = init_module_(pp_module, &GetInterfaceFromDispatcher) == PP_OK;
}
void PluginDispatcher::OnMsgShutdown() {
if (shutdown_module_)
shutdown_module_();
MessageLoop::current()->Quit();
}
} // namespace proxy
} // namespace pp