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// Copyright 2014 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/browser/devtools/worker_devtools_agent_host.h"
#include "content/browser/devtools/protocol/devtools_protocol_handler.h"
#include "content/common/devtools_messages.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/browser/render_process_host.h"
namespace content {
bool WorkerDevToolsAgentHost::IsWorker() const {
return true;
}
BrowserContext* WorkerDevToolsAgentHost::GetBrowserContext() {
RenderProcessHost* rph = RenderProcessHost::FromID(worker_id_.first);
return rph ? rph->GetBrowserContext() : nullptr;
}
void WorkerDevToolsAgentHost::SendMessageToAgent(
IPC::Message* message_raw) {
scoped_ptr<IPC::Message> message(message_raw);
if (state_ != WORKER_INSPECTED)
return;
if (RenderProcessHost* host = RenderProcessHost::FromID(worker_id_.first)) {
message->set_routing_id(worker_id_.second);
host->Send(message.release());
}
}
void WorkerDevToolsAgentHost::Attach() {
if (state_ != WORKER_INSPECTED) {
state_ = WORKER_INSPECTED;
AttachToWorker();
}
IPCDevToolsAgentHost::Attach();
}
void WorkerDevToolsAgentHost::OnClientAttached() {
DevToolsAgentHostImpl::NotifyCallbacks(this, true);
}
void WorkerDevToolsAgentHost::OnClientDetached() {
if (state_ == WORKER_INSPECTED) {
state_ = WORKER_UNINSPECTED;
DetachFromWorker();
} else if (state_ == WORKER_PAUSED_FOR_REATTACH) {
state_ = WORKER_UNINSPECTED;
}
DevToolsAgentHostImpl::NotifyCallbacks(this, false);
}
bool WorkerDevToolsAgentHost::OnMessageReceived(
const IPC::Message& msg) {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
bool handled = true;
IPC_BEGIN_MESSAGE_MAP(WorkerDevToolsAgentHost, 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 WorkerDevToolsAgentHost::WorkerReadyForInspection() {
if (state_ == WORKER_PAUSED_FOR_DEBUG_ON_START) {
RenderProcessHost* rph = RenderProcessHost::FromID(worker_id_.first);
Inspect(rph->GetBrowserContext());
} else if (state_ == WORKER_PAUSED_FOR_REATTACH) {
DCHECK(IsAttached());
state_ = WORKER_INSPECTED;
AttachToWorker();
Reattach(saved_agent_state_);
}
}
void WorkerDevToolsAgentHost::WorkerRestarted(WorkerId worker_id) {
DCHECK_EQ(WORKER_TERMINATED, state_);
state_ = IsAttached() ? WORKER_PAUSED_FOR_REATTACH : WORKER_UNINSPECTED;
worker_id_ = worker_id;
WorkerCreated();
}
void WorkerDevToolsAgentHost::WorkerDestroyed() {
DCHECK_NE(WORKER_TERMINATED, state_);
if (state_ == WORKER_INSPECTED) {
DCHECK(IsAttached());
// Client host is debugging this worker agent host.
base::Callback<void(const std::string&)> raw_message_callback(
base::Bind(&WorkerDevToolsAgentHost::SendMessageToClient,
base::Unretained(this)));
devtools::worker::Client worker(raw_message_callback);
worker.DisconnectedFromWorker(
devtools::worker::DisconnectedFromWorkerParams::Create());
DetachFromWorker();
}
state_ = WORKER_TERMINATED;
Release(); // Balanced in WorkerCreated().
}
bool WorkerDevToolsAgentHost::IsTerminated() {
return state_ == WORKER_TERMINATED;
}
WorkerDevToolsAgentHost::WorkerDevToolsAgentHost(
WorkerId worker_id)
: state_(WORKER_UNINSPECTED),
worker_id_(worker_id) {
WorkerCreated();
}
WorkerDevToolsAgentHost::~WorkerDevToolsAgentHost() {
DCHECK_EQ(WORKER_TERMINATED, state_);
}
void WorkerDevToolsAgentHost::AttachToWorker() {
if (RenderProcessHost* host = RenderProcessHost::FromID(worker_id_.first))
host->AddRoute(worker_id_.second, this);
}
void WorkerDevToolsAgentHost::DetachFromWorker() {
if (RenderProcessHost* host = RenderProcessHost::FromID(worker_id_.first))
host->RemoveRoute(worker_id_.second);
}
void WorkerDevToolsAgentHost::WorkerCreated() {
AddRef(); // Balanced in WorkerDestroyed()
}
void WorkerDevToolsAgentHost::OnDispatchOnInspectorFrontend(
const std::string& message,
uint32 total_size) {
if (!IsAttached())
return;
ProcessChunkedMessageFromAgent(message, total_size);
}
void WorkerDevToolsAgentHost::OnSaveAgentRuntimeState(
const std::string& state) {
saved_agent_state_ = state;
}
} // namespace content
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