chrome/browser/chromeos/extensions/input_method_apitest_chromeos.cc

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "chrome/browser/extensions/extension_apitest.h"
   6
   7 #include "base/command_line.h"
   8 #include "base/memory/ref_counted.h"
   9 #include "base/strings/stringprintf.h"
  10 #include "chrome/browser/chrome_notification_types.h"
  11 #include "chrome/browser/chromeos/extensions/input_method_event_router.h"
  12 #include "chrome/browser/extensions/api/test/test_api.h"
  13 #include "chrome/common/chrome_switches.h"
  14 #include "chromeos/ime/input_method_manager.h"
  15 #include "content/public/browser/notification_observer.h"
  16 #include "content/public/browser/notification_registrar.h"
  17 #include "content/public/browser/notification_service.h"
  18 #include "testing/gtest/include/gtest/gtest.h"
  19
  20 namespace {
  21
  22 const char kLoginScreenUILanguage[] = "fr";
  23 const char kInitialInputMethodOnLoginScreen[] = "xkb:us::eng";
  24 const char kNewInputMethod[] = "fr::fra";
  25 const char kSetInputMethodMessage[] = "setInputMethod";
  26 const char kSetInputMethodDone[] = "done";
  27
  28 // Class that listens for the JS message then changes input method and replies
  29 // back.
  30 class SetInputMethodListener : public content::NotificationObserver {
  31  public:
  32   // Creates listener, which should reply exactly |count_| times.
  33   explicit SetInputMethodListener(int count) : count_(count) {
  34     registrar_.Add(this, chrome::NOTIFICATION_EXTENSION_TEST_MESSAGE,
  35                    content::NotificationService::AllSources());
  36     chromeos::input_method::InputMethodManager::Get()->
  37         EnableLayouts(kLoginScreenUILanguage, kInitialInputMethodOnLoginScreen);
  38   }
  39
  40   virtual ~SetInputMethodListener() {
  41     EXPECT_EQ(0, count_);
  42   }
  43
  44   // Implements the content::NotificationObserver interface.
  45   virtual void Observe(int type,
  46                        const content::NotificationSource& source,
  47                        const content::NotificationDetails& details) OVERRIDE {
  48     const std::string& content = *content::Details<std::string>(details).ptr();
  49     const std::string expected_message =
  50         base::StringPrintf("%s:%s", kSetInputMethodMessage, kNewInputMethod);
  51     if (content == expected_message) {
  52       chromeos::input_method::InputMethodManager::Get()->
  53           ChangeInputMethod(base::StringPrintf("xkb:%s", kNewInputMethod));
  54
  55       scoped_refptr<extensions::TestSendMessageFunction> function =
  56           content::Source<extensions::TestSendMessageFunction>(
  57               source).ptr();
  58       EXPECT_GT(count_--, 0);
  59       function->Reply(kSetInputMethodDone);
  60     }
  61   }
  62
  63  private:
  64   content::NotificationRegistrar registrar_;
  65
  66   int count_;
  67 };
  68
  69 class ExtensionInputMethodApiTest : public ExtensionApiTest {
  70   virtual void SetUpCommandLine(CommandLine* command_line) OVERRIDE {
  71     ExtensionApiTest::SetUpCommandLine(command_line);
  72     command_line->AppendSwitchASCII(
  73         switches::kWhitelistedExtensionID, "ilanclmaeigfpnmdlgelmhkpkegdioip");
  74   }
  75 };
  76
  77 }  // namespace
  78
  79 IN_PROC_BROWSER_TEST_F(ExtensionInputMethodApiTest, Basic) {
  80   // Two test, two calls. See JS code for more info.
  81   SetInputMethodListener listener(2);
  82
  83   ASSERT_TRUE(RunExtensionTest("input_method")) << message_;
  84 }