Show sync promo at startup

chrome/browser/ui/webui/sync_promo_ui.cc

 // Copyright (c) 2011 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/sync_promo_ui.h"
 
 #include "base/command_line.h"
+#include "chrome/browser/first_run/first_run.h"
 #include "chrome/browser/profiles/profile.h"
+#include "chrome/browser/prefs/pref_service.h"
 #include "chrome/browser/ui/webui/chrome_url_data_manager.h"
 #include "chrome/browser/ui/webui/chrome_web_ui_data_source.h"
 #include "chrome/browser/ui/webui/sync_promo_handler.h"
 #include "chrome/browser/ui/webui/theme_source.h"
 #include "chrome/common/chrome_switches.h"
+#include "chrome/common/pref_names.h"
 #include "chrome/common/url_constants.h"
 #include "content/browser/tab_contents/tab_contents.h"
 #include "grit/browser_resources.h"
 #include "grit/generated_resources.h"
 #include "grit/theme_resources.h"
 #include "ui/base/l10n/l10n_util.h"
 
 namespace {
 
 const char kStringsJsFile[] = "strings.js";
 const char kSyncPromoJsFile[]  = "sync_promo.js";
 
+// The maximum number of times we want to show the sync promo at startup.
+const int kSyncPromoShowAtStartupMaxiumum = 10;
+
+void RegisterSyncPromoPrefs(Profile* profile) {
+  if (!profile->GetPrefs()->FindPreference(prefs::kSyncPromoStartupCount)) {
+    profile->GetPrefs()->RegisterIntegerPref(
+        prefs::kSyncPromoStartupCount, 0, PrefService::UNSYNCABLE_PREF);
+  }
+}
+
 // The Web UI data source for the sync promo page.
 class SyncPromoUIHTMLSource : public ChromeWebUIDataSource {
  public:
   SyncPromoUIHTMLSource();
 
  private:
   ~SyncPromoUIHTMLSource() {}
   DISALLOW_COPY_AND_ASSIGN(SyncPromoUIHTMLSource);
 };
 
@@ skipping 31 matching lines @@
 #if defined(OS_CHROMEOS)
   // There's no need to show the sync promo on cros since cros users are logged
   // into sync already.
   return false;
 #endif
 
   // Temporarily hide this feature behind a command line flag.
   CommandLine* command_line = CommandLine::ForCurrentProcess();
   return command_line->HasSwitch(switches::kSyncShowPromo);
 }
+
+bool IsFirstRun(Profile* profile) {
+  return FirstRun::IsChromeFirstRun();
+}
+
+bool SyncPromoUI::ShouldShowSyncPromoAtStartup(Profile* profile,
+                                               bool is_new_profile) {
+  if (!ShouldShowSyncPromo())
+    return false;
+
+  RegisterSyncPromoPrefs(profile);
+  if (!is_new_profile) {
+    if (!profile->GetPrefs()->HasPrefPath(prefs::kSyncPromoStartupCount))
+      return false;
+  }
+
+  int show_count = profile->GetPrefs()->GetInteger(
+      prefs::kSyncPromoStartupCount);
+  return show_count < kSyncPromoShowAtStartupMaxiumum;
+}
+
+void SyncPromoUI::DidShowSyncPromoAtStartup(Profile* profile) {
+  RegisterSyncPromoPrefs(profile);
+  int show_count = profile->GetPrefs()->GetInteger(
+      prefs::kSyncPromoStartupCount);
+  show_count++;
+  profile->GetPrefs()->SetInteger(prefs::kSyncPromoStartupCount, show_count);
+}