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// Copyright 2017 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_session.h"
#include "chrome/browser/devtools/protocol/browser_handler.h"
#include "chrome/browser/devtools/protocol/cast_handler.h"
#include "chrome/browser/devtools/protocol/page_handler.h"
#include "chrome/browser/devtools/protocol/target_handler.h"
#include "content/public/browser/devtools_agent_host.h"
#include "content/public/browser/devtools_agent_host_client.h"
#include "content/public/browser/devtools_manager_delegate.h"
#include "content/public/common/content_switches.h"
#if defined(OS_CHROMEOS)
#include "chrome/browser/devtools/protocol/window_manager_handler.h"
#endif
ChromeDevToolsSession::ChromeDevToolsSession(
content::DevToolsAgentHost* agent_host,
content::DevToolsAgentHostClient* client)
: agent_host_(agent_host),
client_(client),
dispatcher_(std::make_unique<protocol::UberDispatcher>(this)) {
if (agent_host->GetWebContents() &&
agent_host->GetType() == content::DevToolsAgentHost::kTypePage) {
page_handler_ = std::make_unique<PageHandler>(agent_host->GetWebContents(),
dispatcher_.get());
if (client->MayAttachToBrowser()) {
cast_handler_ = std::make_unique<CastHandler>(
agent_host->GetWebContents(), dispatcher_.get());
}
}
target_handler_ = std::make_unique<TargetHandler>(dispatcher_.get());
if (client->MayAttachToBrowser()) {
browser_handler_ = std::make_unique<BrowserHandler>(dispatcher_.get(),
agent_host->GetId());
}
#if defined(OS_CHROMEOS)
window_manager_protocl_handler_ =
std::make_unique<WindowManagerHandler>(dispatcher_.get());
#endif
}
ChromeDevToolsSession::~ChromeDevToolsSession() = default;
void ChromeDevToolsSession::sendProtocolResponse(
int call_id,
std::unique_ptr<protocol::Serializable> message) {
pending_commands_.erase(call_id);
bool binary = client_->UsesBinaryProtocol();
client_->DispatchProtocolMessage(agent_host_, message->serialize(binary));
}
static bool EnableInternalDevToolsBinaryProtocol() {
static bool disabled = base::CommandLine::ForCurrentProcess()->HasSwitch(
switches::kDisableInternalDevToolsBinaryProtocol);
return !disabled;
}
void ChromeDevToolsSession::HandleCommand(
const std::string& method,
const std::string& message,
content::DevToolsManagerDelegate::NotHandledCallback callback) {
if (!dispatcher_->canDispatch(method)) {
std::move(callback).Run(message);
return;
}
int call_id;
std::string unused;
// We also check for --enable-internal-dev-tools-binary-protocol here,
// because if this flag is set, then content::DevToolsSession will
// send us binary even if the |client_| did not ask for it.
bool binary =
client_->UsesBinaryProtocol() || EnableInternalDevToolsBinaryProtocol();
std::unique_ptr<protocol::DictionaryValue> value =
protocol::DictionaryValue::cast(
protocol::StringUtil::parseMessage(message, binary));
if (!dispatcher_->parseCommand(value.get(), &call_id, &unused))
return;
pending_commands_[call_id] = std::move(callback);
dispatcher_->dispatch(call_id, method, std::move(value), message);
}
void ChromeDevToolsSession::fallThrough(int call_id,
const std::string& method,
const std::string& message) {
auto callback = std::move(pending_commands_[call_id]);
pending_commands_.erase(call_id);
std::move(callback).Run(message);
}
void ChromeDevToolsSession::sendProtocolNotification(
std::unique_ptr<protocol::Serializable> message) {
bool binary = client_->UsesBinaryProtocol();
client_->DispatchProtocolMessage(agent_host_, message->serialize(binary));
}
void ChromeDevToolsSession::flushProtocolNotifications() {}
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