Fake MD Flags sample WebUI

chrome/browser/ui/webui/md_flags_ui.cc

+// Copyright 2016 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/md_flags_ui.h"
+
+#include "base/bind.h"
+#include "base/bind_helpers.h"
+#include "base/values.h"
+#include "chrome/common/url_constants.h"
+#include "chrome/grit/generated_resources.h"
+#include "content/public/browser/web_contents.h"
+#include "content/public/browser/web_ui.h"
+#include "content/public/browser/web_ui_data_source.h"
+#include "content/public/browser/web_ui_message_handler.h"
+#include "grit/browser_resources.h"
+#include "grit/components_strings.h"
+
+class MdFlagsDOMHandler : public content::WebUIMessageHandler {
+ public:
+  MdFlagsDOMHandler() {}
+  ~MdFlagsDOMHandler() override {}
+
+  // WebUIMessageHandler:
+  void RegisterMessages() override;
+
+  void HandleRequestFlags(const base::ListValue* args);
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(MdFlagsDOMHandler);
+};
+
+void MdFlagsDOMHandler::RegisterMessages() {
+  web_ui()->RegisterMessageCallback("requestFlags",
+      base::Bind(&MdFlagsDOMHandler::HandleRequestFlags,
+                 base::Unretained(this)));
+}
+
+void MdFlagsDOMHandler::HandleRequestFlags(const base::ListValue* args) {
+  base::ListValue flags;
+  base::DictionaryValue* flag1 = new base::DictionaryValue();
+  flag1->SetString("id", "trick-out-chromium");
+  flag1->SetString("name", "Trick out Chromium");
+  flag1->SetString("description", "Changes Chromium in some cool new way.");
+  flag1->SetBoolean("enabled", true);
+  flags.Append(flag1);
+  base::DictionaryValue* flag2 = new base::DictionaryValue();
+  flag2->SetString("id", "upside-down");
+  flag2->SetString("name", "Upside down browser");
+  flag2->SetString(
+      "description",
+      "Shows web pages upside down. "
+      "Experimentally supported for Australian users and Jake Tucker.");
+  flag2->SetBoolean("enabled", false);
+  flags.Append(flag2);
+  base::DictionaryValue* flag3 = new base::DictionaryValue();
+  flag3->SetString("id", "enable-easter-eggs");
+  flag3->SetString("name", "Enable easter eggs");
+  flag3->SetString(
+      "description",
+      "Enables easter eggs in the browser. Careful, eggs may crack, "
+      "leaving system vulnerable to viruses and bacteria.");
+  flag3->SetBoolean("enabled", false);
+  flags.Append(flag3);
+  base::DictionaryValue* flag4 = new base::DictionaryValue();
+  flag4->SetString("id", "hydra-processes");
+  flag4->SetString("name", "Enable Hydra processes");
+  flag4->SetString(
+      "description",
+      "Processes behave like the Hydra. Each time a process is killed, "
+      "two more are spun up to take its place. "
+      "Incompatible with the Heracles extension.");
+  flag4->SetBoolean("enabled", false);
+  flags.Append(flag4);
+  web_ui()->CallJavascriptFunction("md_flags.setFlags", flags);
+}
+
+MdFlagsUI::MdFlagsUI(content::WebUI* web_ui)
+    : content::WebUIController(web_ui) {
+      web_ui->AddMessageHandler(new MdFlagsDOMHandler());
+
+  content::WebUIDataSource* source =
+      content::WebUIDataSource::Create(chrome::kChromeUIMdFlagsHost);
+
+  // Localized strings.
+  source->AddLocalizedString("title", IDS_ABOUT_TITLE);
+  source->AddLocalizedString("warningText", IDS_FLAGS_UI_WARNING_TEXT);
+  source->AddLocalizedString("warningLabel", IDS_FLAGS_UI_WARNING_HEADER);
+  source->AddLocalizedString("warningHeader", IDS_FLAGS_UI_LONG_TITLE);
+  source->SetJsonPath("strings.js");
+
+  // Add required resources.
+  source->AddResourcePath("md_flags.css", IDR_MD_FLAGS_CSS);
+  source->AddResourcePath("md_flags.js", IDR_MD_FLAGS_JS);
+  source->AddResourcePath("flag.css", IDR_MD_FLAGS_FLAG_CSS);
+  source->AddResourcePath("flag.html", IDR_MD_FLAGS_FLAG_HTML);
+  source->AddResourcePath("flag.js", IDR_MD_FLAGS_FLAG_JS);
+  source->AddResourcePath("flags_table.css", IDR_MD_FLAGS_TABLE_CSS);
+  source->AddResourcePath("flags_table.html", IDR_MD_FLAGS_TABLE_HTML);
+  source->AddResourcePath("flags_table.js", IDR_MD_FLAGS_TABLE_JS);
+  source->SetDefaultResource(IDR_MD_FLAGS_HTML);
+
+  content::WebUIDataSource::Add(web_ui->GetWebContents()->GetBrowserContext(),
+                                source);
+}
+
+MdFlagsUI::~MdFlagsUI() {
+}