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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 "chrome/browser/devtools/chrome_devtools_manager_delegate.h"
#include "base/values.h"
#include "chrome/browser/devtools/devtools_network_conditions.h"
#include "chrome/browser/devtools/devtools_network_controller.h"
#include "chrome/browser/devtools/devtools_protocol.h"
#include "chrome/browser/devtools/devtools_protocol_constants.h"
#include "chrome/browser/devtools/devtools_window.h"
#include "chrome/browser/profiles/profile.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/browser/devtools_agent_host.h"
#include "content/public/browser/devtools_manager.h"
#include "content/public/browser/render_process_host.h"
#include "content/public/browser/render_view_host.h"
#include "content/public/browser/site_instance.h"
ChromeDevToolsManagerDelegate::ChromeDevToolsManagerDelegate()
: devtools_callback_(base::Bind(
&ChromeDevToolsManagerDelegate::OnDevToolsStateChanged,
base::Unretained(this))),
devtools_callback_registered_(false) {
// This constructor is invoked from DevToolsManagerImpl constructor, so it
// shouldn't call DevToolsManager::GetInstance()
}
ChromeDevToolsManagerDelegate::~ChromeDevToolsManagerDelegate() {
// This destructor is invoked from DevToolsManagerImpl destructor, so it
// shouldn't call DevToolsManager::GetInstance()
}
void ChromeDevToolsManagerDelegate::EnsureDevtoolsCallbackRegistered() {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
if (!devtools_callback_registered_) {
content::DevToolsManager::GetInstance()->AddAgentStateCallback(
devtools_callback_);
devtools_callback_registered_ = true;
}
}
void ChromeDevToolsManagerDelegate::Inspect(
content::BrowserContext* browser_context,
content::DevToolsAgentHost* agent_host) {
if (!agent_host->IsWorker()) {
// TODO(horo): Support other types of DevToolsAgentHost when necessary.
NOTREACHED() << "Inspect() only supports workers.";
}
#if !defined(OS_ANDROID)
if (Profile* profile = Profile::FromBrowserContext(browser_context))
DevToolsWindow::OpenDevToolsWindowForWorker(profile, agent_host);
#endif
}
base::DictionaryValue* ChromeDevToolsManagerDelegate::HandleCommand(
content::DevToolsAgentHost* agent_host,
base::DictionaryValue* command_dict) {
scoped_ptr<DevToolsProtocol::Command> command(
DevToolsProtocol::ParseCommand(command_dict));
if (!command)
return NULL;
const std::string method = command->method();
if (method == chrome::devtools::Network::emulateNetworkConditions::kName)
return EmulateNetworkConditions(agent_host, command.get())->Serialize();
return NULL;
}
Profile* ChromeDevToolsManagerDelegate::GetProfile(
content::DevToolsAgentHost* agent_host) {
content::RenderViewHost* host = agent_host->GetRenderViewHost();
if (!host)
return NULL;
return Profile::FromBrowserContext(host->GetSiteInstance()->GetProcess()->
GetBrowserContext());
}
scoped_ptr<DevToolsProtocol::Response>
ChromeDevToolsManagerDelegate::EmulateNetworkConditions(
content::DevToolsAgentHost* agent_host,
DevToolsProtocol::Command* command) {
base::DictionaryValue* params = command->params();
bool offline = false;
const char* offline_param =
chrome::devtools::Network::emulateNetworkConditions::kParamOffline;
if (!params || !params->GetBoolean(offline_param, &offline))
return command->InvalidParamResponse(offline_param);
EnsureDevtoolsCallbackRegistered();
scoped_refptr<DevToolsNetworkConditions> conditions;
if (offline)
conditions = new DevToolsNetworkConditions(std::vector<std::string>());
UpdateNetworkState(agent_host, conditions);
return command->SuccessResponse(NULL);
}
void ChromeDevToolsManagerDelegate::UpdateNetworkState(
content::DevToolsAgentHost* agent_host,
scoped_refptr<DevToolsNetworkConditions> conditions) {
Profile* profile = GetProfile(agent_host);
if (!profile)
return;
profile->GetDevToolsNetworkController()->SetNetworkState(
agent_host->GetId(), conditions);
}
void ChromeDevToolsManagerDelegate::OnDevToolsStateChanged(
content::DevToolsAgentHost* agent_host,
bool attached) {
UpdateNetworkState(agent_host, scoped_refptr<DevToolsNetworkConditions>());
}
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