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// 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/browser/devtools/devtools_agent_host_impl.h"
#include <map>
#include <vector>
#include "base/basictypes.h"
#include "base/guid.h"
#include "base/lazy_instance.h"
#include "content/browser/devtools/devtools_manager.h"
#include "content/browser/devtools/forwarding_agent_host.h"
#include "content/browser/devtools/service_worker_devtools_manager.h"
#include "content/browser/devtools/shared_worker_devtools_manager.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/browser/devtools_manager_delegate.h"
namespace content {
namespace {
typedef std::map<std::string, DevToolsAgentHostImpl*> Instances;
base::LazyInstance<Instances>::Leaky g_instances = LAZY_INSTANCE_INITIALIZER;
typedef std::vector<const DevToolsAgentHost::AgentStateCallback*>
AgentStateCallbacks;
base::LazyInstance<AgentStateCallbacks>::Leaky g_callbacks =
LAZY_INSTANCE_INITIALIZER;
} // namespace
// static
DevToolsAgentHost::List DevToolsAgentHost::GetOrCreateAll() {
List result;
SharedWorkerDevToolsManager::GetInstance()->AddAllAgentHosts(&result);
ServiceWorkerDevToolsManager::GetInstance()->AddAllAgentHosts(&result);
std::vector<WebContents*> wc_list =
DevToolsAgentHostImpl::GetInspectableWebContents();
for (std::vector<WebContents*>::iterator it = wc_list.begin();
it != wc_list.end(); ++it) {
result.push_back(GetOrCreateFor(*it));
}
return result;
}
DevToolsAgentHostImpl::DevToolsAgentHostImpl()
: id_(base::GenerateGUID()),
client_(NULL) {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
g_instances.Get()[id_] = this;
}
DevToolsAgentHostImpl::~DevToolsAgentHostImpl() {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
g_instances.Get().erase(g_instances.Get().find(id_));
}
// static
scoped_refptr<DevToolsAgentHost> DevToolsAgentHost::GetForId(
const std::string& id) {
if (g_instances == NULL)
return NULL;
Instances::iterator it = g_instances.Get().find(id);
if (it == g_instances.Get().end())
return NULL;
return it->second;
}
//static
scoped_refptr<DevToolsAgentHost> DevToolsAgentHost::Create(
DevToolsExternalAgentProxyDelegate* delegate) {
return new ForwardingAgentHost(delegate);
}
void DevToolsAgentHostImpl::AttachClient(DevToolsAgentHostClient* client) {
scoped_refptr<DevToolsAgentHostImpl> protect(this);
if (client_) {
client_->AgentHostClosed(this, true);
Detach();
}
client_ = client;
Attach();
DevToolsManager::GetInstance()->AgentHostChanged(this);
}
void DevToolsAgentHostImpl::DetachClient() {
if (!client_)
return;
scoped_refptr<DevToolsAgentHostImpl> protect(this);
client_ = NULL;
Detach();
DevToolsManager::GetInstance()->AgentHostChanged(this);
}
bool DevToolsAgentHostImpl::IsAttached() {
return !!client_;
}
void DevToolsAgentHostImpl::InspectElement(int x, int y) {
}
std::string DevToolsAgentHostImpl::GetId() {
return id_;
}
BrowserContext* DevToolsAgentHostImpl::GetBrowserContext() {
return nullptr;
}
WebContents* DevToolsAgentHostImpl::GetWebContents() {
return NULL;
}
void DevToolsAgentHostImpl::DisconnectWebContents() {
}
void DevToolsAgentHostImpl::ConnectWebContents(WebContents* wc) {
}
bool DevToolsAgentHostImpl::IsWorker() const {
return false;
}
void DevToolsAgentHostImpl::HostClosed() {
if (!client_)
return;
scoped_refptr<DevToolsAgentHostImpl> protect(this);
// Clear |client_| before notifying it.
DevToolsAgentHostClient* client = client_;
client_ = NULL;
client->AgentHostClosed(this, false);
DevToolsManager::GetInstance()->AgentHostChanged(this);
}
void DevToolsAgentHostImpl::SendMessageToClient(const std::string& message) {
if (!client_)
return;
client_->DispatchProtocolMessage(this, message);
}
// static
void DevToolsAgentHost::DetachAllClients() {
if (g_instances == NULL)
return;
// Make a copy, since detaching may lead to agent destruction, which
// removes it from the instances.
Instances copy = g_instances.Get();
for (Instances::iterator it(copy.begin()); it != copy.end(); ++it) {
DevToolsAgentHostImpl* agent_host = it->second;
if (agent_host->client_) {
scoped_refptr<DevToolsAgentHostImpl> protect(agent_host);
// Clear |client_| before notifying it.
DevToolsAgentHostClient* client = agent_host->client_;
agent_host->client_ = NULL;
client->AgentHostClosed(agent_host, true);
agent_host->Detach();
DevToolsManager::GetInstance()->AgentHostChanged(protect);
}
}
}
// static
void DevToolsAgentHost::AddAgentStateCallback(
const AgentStateCallback& callback) {
g_callbacks.Get().push_back(&callback);
}
// static
void DevToolsAgentHost::RemoveAgentStateCallback(
const AgentStateCallback& callback) {
if (g_callbacks == NULL)
return;
AgentStateCallbacks* callbacks_ = g_callbacks.Pointer();
AgentStateCallbacks::iterator it =
std::find(callbacks_->begin(), callbacks_->end(), &callback);
DCHECK(it != callbacks_->end());
callbacks_->erase(it);
}
// static
void DevToolsAgentHostImpl::NotifyCallbacks(
DevToolsAgentHostImpl* agent_host, bool attached) {
AgentStateCallbacks copy(g_callbacks.Get());
DevToolsManager* manager = DevToolsManager::GetInstance();
if (manager->delegate())
manager->delegate()->DevToolsAgentStateChanged(agent_host, attached);
for (AgentStateCallbacks::iterator it = copy.begin(); it != copy.end(); ++it)
(*it)->Run(agent_host, attached);
}
void DevToolsAgentHostImpl::Inspect(BrowserContext* browser_context) {
DevToolsManager* manager = DevToolsManager::GetInstance();
if (manager->delegate())
manager->delegate()->Inspect(browser_context, this);
}
} // namespace content
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