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// Copyright 2019 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/ui/webui/android/dev_ui_loader/dev_ui_loader_message_handler.h"
#include "base/bind.h"
#include "base/logging.h"
#include "base/values.h"
#include "chrome/browser/android/dev_ui/dev_ui_module_provider.h"
DevUiLoaderMessageHandler::DevUiLoaderMessageHandler() = default;
DevUiLoaderMessageHandler::~DevUiLoaderMessageHandler() = default;
void DevUiLoaderMessageHandler::RegisterMessages() {
web_ui()->RegisterMessageCallback(
"getDevUiDfmState",
base::BindRepeating(&DevUiLoaderMessageHandler::HandleGetDevUiDfmState,
weak_ptr_factory_.GetWeakPtr()));
web_ui()->RegisterMessageCallback(
"installAndLoadDevUiDfm",
base::BindRepeating(
&DevUiLoaderMessageHandler::HandleInstallAndLoadDevUiDfm,
weak_ptr_factory_.GetWeakPtr()));
}
void DevUiLoaderMessageHandler::HandleGetDevUiDfmState(
const base::ListValue* args) {
const base::Value* callback_id = nullptr;
CHECK(args->Get(0, &callback_id));
const char* response = "ready";
if (!dev_ui::DevUiModuleProvider::GetInstance().ModuleInstalled())
response = "not-installed";
else if (!dev_ui::DevUiModuleProvider::GetInstance().ModuleLoaded())
response = "not-loaded";
AllowJavascript();
ResolveJavascriptCallback(*callback_id, base::Value(response));
}
void DevUiLoaderMessageHandler::ReplyToJavaScript(
const base::Value& callback_id,
const char* return_value) {
AllowJavascript();
base::ListValue response;
response.GetList().emplace_back(base::Value(return_value));
ResolveJavascriptCallback(callback_id, response);
}
void DevUiLoaderMessageHandler::HandleInstallAndLoadDevUiDfm(
const base::ListValue* args) {
const base::Value* callback_id = nullptr;
CHECK(args->Get(0, &callback_id));
if (!dev_ui::DevUiModuleProvider::GetInstance().ModuleInstalled()) {
dev_ui::DevUiModuleProvider::GetInstance().InstallModule(base::BindOnce(
&DevUiLoaderMessageHandler::OnDevUiDfmInstallWithStatus,
weak_ptr_factory_.GetWeakPtr(), callback_id->GetString()));
} else if (!dev_ui::DevUiModuleProvider::GetInstance().ModuleLoaded()) {
dev_ui::DevUiModuleProvider::GetInstance().LoadModule(base::BindOnce(
&DevUiLoaderMessageHandler::OnDevUiResourceLoaded,
weak_ptr_factory_.GetWeakPtr(), callback_id->GetString()));
} else {
ReplyToJavaScript(*callback_id, "noop");
}
}
void DevUiLoaderMessageHandler::OnDevUiDfmInstallWithStatus(
std::string callback_id_string,
bool success) {
if (success) {
dev_ui::DevUiModuleProvider::GetInstance().LoadModule(
base::BindOnce(&DevUiLoaderMessageHandler::OnDevUiResourceLoaded,
weak_ptr_factory_.GetWeakPtr(), callback_id_string));
} else {
ReplyToJavaScript(base::Value(callback_id_string), "failure");
}
}
void DevUiLoaderMessageHandler::OnDevUiResourceLoaded(
std::string callback_id_string) {
ReplyToJavaScript(base::Value(callback_id_string), "success");
}
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