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// Copyright (c) 2020 The Chromium Embedded Framework 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 "libcef/browser/devtools/devtools_manager.h"
#include "libcef/browser/devtools/devtools_controller.h"
#include "libcef/browser/devtools/devtools_frontend.h"
#include "libcef/features/runtime.h"
#include "content/public/browser/web_contents.h"
namespace {
// May be created on any thread but will be destroyed on the UI thread.
class CefDevToolsRegistrationImpl : public CefRegistration,
public CefDevToolsController::Observer {
public:
explicit CefDevToolsRegistrationImpl(
CefRefPtr<CefDevToolsMessageObserver> observer)
: observer_(observer) {
DCHECK(observer_);
}
CefDevToolsRegistrationImpl(const CefDevToolsRegistrationImpl&) = delete;
CefDevToolsRegistrationImpl& operator=(const CefDevToolsRegistrationImpl&) =
delete;
~CefDevToolsRegistrationImpl() override {
CEF_REQUIRE_UIT();
// May be null if OnDevToolsControllerDestroyed was called.
if (!controller_) {
return;
}
controller_->RemoveObserver(this);
}
void Initialize(CefBrowserHostBase* browser,
base::WeakPtr<CefDevToolsController> controller) {
CEF_REQUIRE_UIT();
DCHECK(browser && controller);
DCHECK(!browser_ && !controller_);
browser_ = browser;
controller_ = controller;
controller_->AddObserver(this);
}
private:
// CefDevToolsController::Observer methods:
bool OnDevToolsMessage(const base::StringPiece& message) override {
CEF_REQUIRE_UIT();
return observer_->OnDevToolsMessage(browser_, message.data(),
message.size());
}
void OnDevToolsMethodResult(int message_id,
bool success,
const base::StringPiece& result) override {
CEF_REQUIRE_UIT();
observer_->OnDevToolsMethodResult(browser_, message_id, success,
result.data(), result.size());
}
void OnDevToolsEvent(const base::StringPiece& method,
const base::StringPiece& params) override {
CEF_REQUIRE_UIT();
observer_->OnDevToolsEvent(browser_, std::string(method), params.data(),
params.size());
}
void OnDevToolsAgentAttached() override {
CEF_REQUIRE_UIT();
observer_->OnDevToolsAgentAttached(browser_);
}
void OnDevToolsAgentDetached() override {
CEF_REQUIRE_UIT();
observer_->OnDevToolsAgentDetached(browser_);
}
void OnDevToolsControllerDestroyed() override {
CEF_REQUIRE_UIT();
browser_ = nullptr;
controller_.reset();
}
CefRefPtr<CefDevToolsMessageObserver> observer_;
CefBrowserHostBase* browser_ = nullptr;
base::WeakPtr<CefDevToolsController> controller_;
IMPLEMENT_REFCOUNTING_DELETE_ON_UIT(CefDevToolsRegistrationImpl);
};
} // namespace
CefDevToolsManager::CefDevToolsManager(CefBrowserHostBase* inspected_browser)
: inspected_browser_(inspected_browser), weak_ptr_factory_(this) {
CEF_REQUIRE_UIT();
}
CefDevToolsManager::~CefDevToolsManager() {
CEF_REQUIRE_UIT();
}
void CefDevToolsManager::ShowDevTools(const CefWindowInfo& windowInfo,
CefRefPtr<CefClient> client,
const CefBrowserSettings& settings,
const CefPoint& inspect_element_at) {
CEF_REQUIRE_UIT();
if (devtools_frontend_) {
if (!inspect_element_at.IsEmpty()) {
devtools_frontend_->InspectElementAt(inspect_element_at.x,
inspect_element_at.y);
}
devtools_frontend_->Focus();
return;
}
if (cef::IsChromeRuntimeEnabled()) {
NOTIMPLEMENTED();
} else {
auto alloy_browser = static_cast<AlloyBrowserHostImpl*>(inspected_browser_);
devtools_frontend_ = CefDevToolsFrontend::Show(
alloy_browser, windowInfo, client, settings, inspect_element_at,
base::BindOnce(&CefDevToolsManager::OnFrontEndDestroyed,
weak_ptr_factory_.GetWeakPtr()));
}
}
void CefDevToolsManager::CloseDevTools() {
CEF_REQUIRE_UIT();
if (!devtools_frontend_) {
return;
}
devtools_frontend_->Close();
}
bool CefDevToolsManager::HasDevTools() {
CEF_REQUIRE_UIT();
return !!devtools_frontend_;
}
bool CefDevToolsManager::SendDevToolsMessage(const void* message,
size_t message_size) {
CEF_REQUIRE_UIT();
if (!message || message_size == 0) {
return false;
}
if (!EnsureController()) {
return false;
}
return devtools_controller_->SendDevToolsMessage(
base::StringPiece(static_cast<const char*>(message), message_size));
}
int CefDevToolsManager::ExecuteDevToolsMethod(
int message_id,
const CefString& method,
CefRefPtr<CefDictionaryValue> params) {
CEF_REQUIRE_UIT();
if (method.empty()) {
return 0;
}
if (!EnsureController()) {
return 0;
}
if (params && params->IsValid()) {
CefDictionaryValueImpl* impl =
static_cast<CefDictionaryValueImpl*>(params.get());
CefValueController::AutoLock lock_scope(impl->controller());
return devtools_controller_->ExecuteDevToolsMethod(
message_id, method, impl->GetValueUnsafe()->GetIfDict());
} else {
return devtools_controller_->ExecuteDevToolsMethod(message_id, method,
nullptr);
}
}
// static
CefRefPtr<CefRegistration> CefDevToolsManager::CreateRegistration(
CefRefPtr<CefDevToolsMessageObserver> observer) {
DCHECK(observer);
return new CefDevToolsRegistrationImpl(observer);
}
void CefDevToolsManager::InitializeRegistrationOnUIThread(
CefRefPtr<CefRegistration> registration) {
CEF_REQUIRE_UIT();
if (!EnsureController()) {
return;
}
static_cast<CefDevToolsRegistrationImpl*>(registration.get())
->Initialize(inspected_browser_, devtools_controller_->GetWeakPtr());
}
void CefDevToolsManager::OnFrontEndDestroyed() {
devtools_frontend_ = nullptr;
}
bool CefDevToolsManager::EnsureController() {
if (!devtools_controller_) {
devtools_controller_.reset(new CefDevToolsController(
inspected_browser_->contents_delegate()->web_contents()));
}
return true;
}
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