This source file includes following definitions.
- SendMessageToWorker
- worker_attached_
- SendMessageToAgent
- OnClientAttached
- OnClientDetached
- OnMessageReceived
- ReattachToWorker
- DetachFromWorker
- worker_id
- SharedWorkerDevToolsAgentHost
- OnDispatchOnInspectorFrontend
- OnSaveAgentRuntimeState
- GetInstance
- GetDevToolsAgentHostForWorker
- WorkerCreated
- WorkerDestroyed
- WorkerContextStarted
- RemoveInspectedWorkerData
- FindExistingWorkerInfo
- ResetForTesting
#include "content/browser/devtools/shared_worker_devtools_manager.h"
#include "content/browser/devtools/devtools_manager_impl.h"
#include "content/browser/devtools/devtools_protocol.h"
#include "content/browser/devtools/devtools_protocol_constants.h"
#include "content/browser/devtools/ipc_devtools_agent_host.h"
#include "content/browser/shared_worker/shared_worker_instance.h"
#include "content/common/devtools_messages.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/browser/render_process_host.h"
#include "content/public/browser/worker_service.h"
#include "ipc/ipc_listener.h"
namespace content {
namespace {
bool SendMessageToWorker(const SharedWorkerDevToolsManager::WorkerId& worker_id,
IPC::Message* message) {
RenderProcessHost* host = RenderProcessHost::FromID(worker_id.first);
if (!host) {
delete message;
return false;
}
message->set_routing_id(worker_id.second);
host->Send(message);
return true;
}
}
class SharedWorkerDevToolsManager::SharedWorkerDevToolsAgentHost
: public IPCDevToolsAgentHost,
public IPC::Listener {
public:
explicit SharedWorkerDevToolsAgentHost(WorkerId worker_id)
: worker_id_(worker_id), worker_attached_(true) {
AddRef();
if (RenderProcessHost* host = RenderProcessHost::FromID(worker_id_.first))
host->AddRoute(worker_id_.second, this);
}
virtual void SendMessageToAgent(IPC::Message* message) OVERRIDE {
if (worker_attached_)
SendMessageToWorker(worker_id_, message);
else
delete message;
}
virtual void OnClientAttached() OVERRIDE {}
virtual void OnClientDetached() OVERRIDE {}
virtual bool OnMessageReceived(const IPC::Message& msg) OVERRIDE {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
bool handled = true;
IPC_BEGIN_MESSAGE_MAP(SharedWorkerDevToolsAgentHost, msg)
IPC_MESSAGE_HANDLER(DevToolsClientMsg_DispatchOnInspectorFrontend,
OnDispatchOnInspectorFrontend)
IPC_MESSAGE_HANDLER(DevToolsHostMsg_SaveAgentRuntimeState,
OnSaveAgentRuntimeState)
IPC_MESSAGE_UNHANDLED(handled = false)
IPC_END_MESSAGE_MAP()
return handled;
}
void ReattachToWorker(WorkerId worker_id) {
CHECK(!worker_attached_);
worker_attached_ = true;
worker_id_ = worker_id;
AddRef();
if (RenderProcessHost* host = RenderProcessHost::FromID(worker_id_.first))
host->AddRoute(worker_id_.second, this);
Reattach(state_);
}
void DetachFromWorker() {
CHECK(worker_attached_);
worker_attached_ = false;
if (RenderProcessHost* host = RenderProcessHost::FromID(worker_id_.first))
host->RemoveRoute(worker_id_.second);
Release();
}
WorkerId worker_id() const { return worker_id_; }
private:
virtual ~SharedWorkerDevToolsAgentHost() {
CHECK(!worker_attached_);
SharedWorkerDevToolsManager::GetInstance()->RemoveInspectedWorkerData(this);
}
void OnDispatchOnInspectorFrontend(const std::string& message) {
DevToolsManagerImpl::GetInstance()->DispatchOnInspectorFrontend(this,
message);
}
void OnSaveAgentRuntimeState(const std::string& state) { state_ = state; }
WorkerId worker_id_;
bool worker_attached_;
std::string state_;
DISALLOW_COPY_AND_ASSIGN(SharedWorkerDevToolsAgentHost);
};
SharedWorkerDevToolsManager* SharedWorkerDevToolsManager::GetInstance() {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
return Singleton<SharedWorkerDevToolsManager>::get();
}
DevToolsAgentHost* SharedWorkerDevToolsManager::GetDevToolsAgentHostForWorker(
int worker_process_id,
int worker_route_id) {
WorkerId id(worker_process_id, worker_route_id);
WorkerInfoMap::iterator it = workers_.find(id);
if (it == workers_.end())
return NULL;
WorkerInfo* info = it->second;
if (info->state() != WORKER_UNINSPECTED)
return info->agent_host();
SharedWorkerDevToolsAgentHost* agent_host =
new SharedWorkerDevToolsAgentHost(id);
info->set_agent_host(agent_host);
info->set_state(WORKER_INSPECTED);
return agent_host;
}
SharedWorkerDevToolsManager::SharedWorkerDevToolsManager() {}
SharedWorkerDevToolsManager::~SharedWorkerDevToolsManager() {}
bool SharedWorkerDevToolsManager::WorkerCreated(
int worker_process_id,
int worker_route_id,
const SharedWorkerInstance& instance) {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
const WorkerId id(worker_process_id, worker_route_id);
WorkerInfoMap::iterator it = FindExistingWorkerInfo(instance);
if (it == workers_.end()) {
scoped_ptr<WorkerInfo> info(new WorkerInfo(instance));
workers_.set(id, info.Pass());
return false;
}
DCHECK_EQ(WORKER_TERMINATED, it->second->state());
scoped_ptr<WorkerInfo> info = workers_.take_and_erase(it);
info->set_state(WORKER_PAUSED);
workers_.set(id, info.Pass());
return true;
}
void SharedWorkerDevToolsManager::WorkerDestroyed(int worker_process_id,
int worker_route_id) {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
const WorkerId id(worker_process_id, worker_route_id);
WorkerInfoMap::iterator it = workers_.find(id);
DCHECK(it != workers_.end());
WorkerInfo* info = it->second;
switch (info->state()) {
case WORKER_UNINSPECTED:
workers_.erase(it);
break;
case WORKER_INSPECTED: {
SharedWorkerDevToolsAgentHost* agent_host = info->agent_host();
if (!agent_host->IsAttached()) {
scoped_ptr<WorkerInfo> worker_info = workers_.take_and_erase(it);
agent_host->DetachFromWorker();
return;
}
info->set_state(WORKER_TERMINATED);
std::string notification =
DevToolsProtocol::CreateNotification(
devtools::Worker::disconnectedFromWorker::kName, NULL)
->Serialize();
DevToolsManagerImpl::GetInstance()->DispatchOnInspectorFrontend(
agent_host, notification);
agent_host->DetachFromWorker();
break;
}
case WORKER_TERMINATED:
NOTREACHED();
break;
case WORKER_PAUSED: {
scoped_ptr<WorkerInfo> worker_info = workers_.take_and_erase(it);
worker_info->set_state(WORKER_TERMINATED);
const WorkerId old_id = worker_info->agent_host()->worker_id();
workers_.set(old_id, worker_info.Pass());
break;
}
}
}
void SharedWorkerDevToolsManager::WorkerContextStarted(int worker_process_id,
int worker_route_id) {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
const WorkerId id(worker_process_id, worker_route_id);
WorkerInfoMap::iterator it = workers_.find(id);
DCHECK(it != workers_.end());
WorkerInfo* info = it->second;
if (info->state() != WORKER_PAUSED)
return;
info->agent_host()->ReattachToWorker(id);
info->set_state(WORKER_INSPECTED);
}
void SharedWorkerDevToolsManager::RemoveInspectedWorkerData(
SharedWorkerDevToolsAgentHost* agent_host) {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
const WorkerId id(agent_host->worker_id());
scoped_ptr<WorkerInfo> worker_info = workers_.take_and_erase(id);
if (worker_info) {
DCHECK_EQ(WORKER_TERMINATED, worker_info->state());
return;
}
for (WorkerInfoMap::iterator it = workers_.begin(); it != workers_.end();
++it) {
if (it->second->agent_host() == agent_host) {
DCHECK_EQ(WORKER_PAUSED, it->second->state());
SendMessageToWorker(
it->first,
new DevToolsAgentMsg_ResumeWorkerContext(it->first.second));
it->second->set_agent_host(NULL);
it->second->set_state(WORKER_UNINSPECTED);
return;
}
}
}
SharedWorkerDevToolsManager::WorkerInfoMap::iterator
SharedWorkerDevToolsManager::FindExistingWorkerInfo(
const SharedWorkerInstance& instance) {
WorkerInfoMap::iterator it = workers_.begin();
for (; it != workers_.end(); ++it) {
if (it->second->instance().Matches(instance))
break;
}
return it;
}
void SharedWorkerDevToolsManager::ResetForTesting() { workers_.clear(); }
}