Adding client code for new Windows 10 First Run Experience

chrome/browser/ui/webui/welcome_win10_ui.cc

Index: chrome/browser/ui/webui/welcome_win10_ui.cc
diff --git a/chrome/browser/ui/webui/welcome_win10_ui.cc b/chrome/browser/ui/webui/welcome_win10_ui.cc
new file mode 100644
index 0000000000000000000000000000000000000000..bf8c85032098fe9f57f383b9b9c010b4eb4ce22c
--- /dev/null
+++ b/chrome/browser/ui/webui/welcome_win10_ui.cc
@@ -0,0 +1,108 @@
+// 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/welcome_win10_ui.h"
+
+#include <string>
+
+#include "chrome/browser/profiles/profile.h"
+#include "chrome/browser/ui/webui/welcome_win10_handler.h"
+#include "chrome/common/url_constants.h"
+#include "chrome/grit/browser_resources.h"
+#include "chrome/grit/chrome_unscaled_resources.h"
+#include "chrome/grit/chromium_strings.h"
+#include "chrome/grit/generated_resources.h"
+#include "chrome/grit/theme_resources.h"
+#include "content/public/browser/web_ui_data_source.h"
+#include "net/base/url_util.h"
+#include "ui/base/l10n/l10n_util.h"
+#include "url/gurl.h"
+
+namespace {
+
+// Helper function to check the presence of a key/value inside the query in the
+// |url|.
+bool UrlContainsKeyValueInQuery(const GURL& url,
+                                const std::string& key,
+                                const std::string& expected_value) {
+  std::string value;
+  return net::GetValueForKeyInQuery(url, key, &value) &&
+         value == expected_value;
+}
+
+// Adds all the needed localized strings to |html_source|, depending on
+// the value of |is_first_run|.
+void AddLocalizedStrings(content::WebUIDataSource* html_source,
+                         bool is_first_run) {
+  // Only show the "Welcome to Chrome" text on first run.
+  int welcome_header_id = is_first_run
+                              ? IDS_WIN10_WELCOME_HEADER
+                              : IDS_WIN10_WELCOME_HEADER_AFTER_FIRST_RUN;
+  html_source->AddLocalizedString("headerText", welcome_header_id);
+
+  html_source->AddLocalizedString("continueText", IDS_WIN10_WELCOME_CONTINUE);
+
+  // Default browser strings.
+  html_source->AddLocalizedString("defaultBrowserSubheaderText",
+                                  IDS_WIN10_WELCOME_MAKE_DEFAULT_SUBHEADING);
+  html_source->AddLocalizedString("openSettingsText",
+                                  IDS_WIN10_WELCOME_OPEN_SETTINGS);
+  html_source->AddLocalizedString("clickEdgeText",
+                                  IDS_WIN10_WELCOME_CLICK_EDGE);
+  html_source->AddLocalizedString("clickSelectChrome",
+                                  IDS_WIN10_WELCOME_SELECT);
+  html_source->AddLocalizedString("webBrowserLabel",
+                                  IDS_WIN10_WELCOME_BROWSER_LABEL);
+  html_source->AddLocalizedString("microsoftEdgeLabel",
+                                  IDS_WIN10_WELCOME_EDGE_LABEL);
+
+  // Taskbar pin strings.
+  html_source->AddLocalizedString("pinSubheaderText",
+                                  IDS_WIN10_WELCOME_PIN_SUBHEADING);
+  html_source->AddLocalizedString("rightClickText",
+                                  IDS_WIN10_WELCOME_RIGHT_CLICK_TASKBAR);
+  html_source->AddLocalizedString("pinInstructionText",
+                                  IDS_WIN10_WELCOME_PIN_INSTRUCTION);
+  html_source->AddLocalizedString("pinToTaskbarLabel",
+                                  IDS_WIN10_WELCOME_PIN_LABEL);
+}
+
+}  // namespace
+
+WelcomeWin10UI::WelcomeWin10UI(content::WebUI* web_ui, const GURL& url)
+    : content::WebUIController(web_ui) {
+  static const char kCssFilePath[] = "welcome.css";
+  static const char kJsFilePath[] = "welcome.js";
+
+  web_ui->AddMessageHandler(new WelcomeWin10Handler());
+
+  content::WebUIDataSource* html_source =
+      content::WebUIDataSource::Create(url.host());
+
+  // Determine which variation to show.
+  bool is_first_run = !UrlContainsKeyValueInQuery(url, "text", "faster");
+  bool is_inline_style = UrlContainsKeyValueInQuery(url, "style", "inline");
+
+  AddLocalizedStrings(html_source, is_first_run);
+
+  if (is_inline_style) {
+    html_source->AddResourcePath(kCssFilePath, IDR_WELCOME_WIN10_INLINE_CSS);
+    html_source->AddResourcePath(kJsFilePath, IDR_WELCOME_WIN10_INLINE_JS);
+    html_source->SetDefaultResource(IDR_WELCOME_WIN10_INLINE_HTML);
+  } else {
+    html_source->AddResourcePath(kCssFilePath, IDR_WELCOME_WIN10_SECTIONED_CSS);
+    html_source->AddResourcePath(kJsFilePath, IDR_WELCOME_WIN10_SECTIONED_JS);
+    html_source->SetDefaultResource(IDR_WELCOME_WIN10_SECTIONED_HTML);
+  }
+
+  // Logo images of all scales.
+  html_source->AddResourcePath("logo-small.png", IDR_PRODUCT_LOGO_32);
+  html_source->AddResourcePath("logo-small2x.png", IDR_PRODUCT_LOGO_64);
+  html_source->AddResourcePath("logo-large.png", IDR_PRODUCT_LOGO_64);
+  html_source->AddResourcePath("logo-large2x.png", IDR_PRODUCT_LOGO_128);
+
+  content::WebUIDataSource::Add(Profile::FromWebUI(web_ui), html_source);
+}
+
+WelcomeWin10UI::~WelcomeWin10UI() = default;