Add power-user keyboard mode for ChromeOS with Search key acting as a typical Fn key.

ash/accelerators/accelerator_controller_unittest.cc

 // Copyright (c) 2012 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 "ash/accelerators/accelerator_controller.h"
 #include "ash/accelerators/accelerator_table.h"
 #include "ash/caps_lock_delegate.h"
 #include "ash/display/display_manager.h"
 #include "ash/ime_control_delegate.h"
 #include "ash/screenshot_delegate.h"
@@ skipping 610 matching lines @@
         ui::Accelerator(ui::VKEY_F5, ui::EF_CONTROL_DOWN)));
     EXPECT_EQ(1, delegate->handle_take_screenshot_count());
     EXPECT_TRUE(ProcessWithContext(
         ui::Accelerator(ui::VKEY_PRINT, ui::EF_NONE)));
     EXPECT_EQ(2, delegate->handle_take_screenshot_count());
     EXPECT_TRUE(ProcessWithContext(
         ui::Accelerator(ui::VKEY_F5, ui::EF_SHIFT_DOWN | ui::EF_CONTROL_DOWN)));
     EXPECT_EQ(2, delegate->handle_take_screenshot_count());
   }
 #endif
-  // ToggleAppList
-  {
-    EXPECT_FALSE(ash::Shell::GetInstance()->GetAppListTargetVisibility());
-    EXPECT_TRUE(ProcessWithContext(
-        ui::Accelerator(ui::VKEY_LWIN, ui::EF_NONE)));
-    EXPECT_TRUE(ash::Shell::GetInstance()->GetAppListTargetVisibility());
-    EXPECT_TRUE(ProcessWithContext(
-        ui::Accelerator(ui::VKEY_LWIN, ui::EF_NONE)));
-    EXPECT_FALSE(ash::Shell::GetInstance()->GetAppListTargetVisibility());
-  }
-  // ToggleAppList (with spoken feedback enabled)
-  {
-    ShellDelegate* delegate = ash::Shell::GetInstance()->delegate();
-    delegate->ToggleSpokenFeedback();
-    EXPECT_FALSE(ProcessWithContext(
-        ui::Accelerator(ui::VKEY_LWIN, ui::EF_NONE)));
-    delegate->ToggleSpokenFeedback();
-    EXPECT_TRUE(ProcessWithContext(
-        ui::Accelerator(ui::VKEY_LWIN, ui::EF_NONE)));
-  }
   // DisableCapsLock
   {
     CapsLockDelegate* delegate = Shell::GetInstance()->caps_lock_delegate();
     delegate->SetCapsLockEnabled(true);
     EXPECT_TRUE(delegate->IsCapsLockEnabled());
     // Handled only on key release.
     EXPECT_FALSE(ProcessWithContext(
         ui::Accelerator(ui::VKEY_LSHIFT, ui::EF_NONE)));
     EXPECT_TRUE(delegate->IsCapsLockEnabled());
     EXPECT_TRUE(ProcessWithContext(
@@ skipping 294 matching lines @@
 
   // Lock screen
   // NOTE: Accelerators that do not work on the lock screen need to be
   // tested before the sequence below is invoked because it causes a side
   // effect of locking the screen.
   EXPECT_TRUE(ProcessWithContext(
       ui::Accelerator(ui::VKEY_L, ui::EF_SHIFT_DOWN | ui::EF_CONTROL_DOWN)));
 #endif
 }
 
+TEST_F(AcceleratorControllerTest,
+       GlobalAcceleratorsToggleAppListWithoutSearchAsModifier) {
+  ShellDelegate* delegate = ash::Shell::GetInstance()->delegate();
+
+  EXPECT_FALSE(ash::Shell::GetInstance()->GetAppListTargetVisibility());
+
+  // When Search is not acting as a modifier, pressing Search should toggle
+  // the AppList
+  EXPECT_TRUE(ProcessWithContext(
+      ui::Accelerator(ui::VKEY_LWIN, ui::EF_NONE)));
+  EXPECT_FALSE(ProcessWithContext(
+      ReleaseAccelerator(ui::VKEY_LWIN, ui::EF_NONE)));
+  EXPECT_TRUE(ash::Shell::GetInstance()->GetAppListTargetVisibility());
+
+  // When spoken feedback is on, the AppList should not toggle.
+  delegate->ToggleSpokenFeedback();
+  EXPECT_FALSE(ProcessWithContext(
+      ui::Accelerator(ui::VKEY_LWIN, ui::EF_NONE)));
+  EXPECT_FALSE(ProcessWithContext(
+      ReleaseAccelerator(ui::VKEY_LWIN, ui::EF_NONE)));
+  delegate->ToggleSpokenFeedback();
+  EXPECT_TRUE(ash::Shell::GetInstance()->GetAppListTargetVisibility());
+
+  EXPECT_TRUE(ProcessWithContext(
+      ui::Accelerator(ui::VKEY_LWIN, ui::EF_NONE)));
+  EXPECT_FALSE(ProcessWithContext(
+      ReleaseAccelerator(ui::VKEY_LWIN, ui::EF_NONE)));
+  EXPECT_FALSE(ash::Shell::GetInstance()->GetAppListTargetVisibility());
+
+  // When spoken feedback is on, the AppList should not toggle.
+  delegate->ToggleSpokenFeedback();
+  EXPECT_FALSE(ProcessWithContext(
+      ui::Accelerator(ui::VKEY_LWIN, ui::EF_NONE)));
+  EXPECT_FALSE(ProcessWithContext(
+      ReleaseAccelerator(ui::VKEY_LWIN, ui::EF_NONE)));
+  delegate->ToggleSpokenFeedback();
+  EXPECT_FALSE(ash::Shell::GetInstance()->GetAppListTargetVisibility());
+}
+
+TEST_F(AcceleratorControllerTest,
+       GlobalAcceleratorsToggleAppListWithSearchAsModifier) {
+  test::TestShellDelegate* delegate =
+      reinterpret_cast<test::TestShellDelegate*>(
+          ash::Shell::GetInstance()->delegate());
+  delegate->set_is_search_key_acting_as_function_key(true);
+
+  EXPECT_FALSE(ash::Shell::GetInstance()->GetAppListTargetVisibility());
+
+  // When Search is acting as a modifier for accessing extended keyboard
+  // shortcuts, then the press event should not open the AppList, and the
+  // release should instead.
+  EXPECT_FALSE(ProcessWithContext(
+      ui::Accelerator(ui::VKEY_LWIN, ui::EF_NONE)));
+  EXPECT_TRUE(ProcessWithContext(
+      ReleaseAccelerator(ui::VKEY_LWIN, ui::EF_NONE)));
+  EXPECT_TRUE(ash::Shell::GetInstance()->GetAppListTargetVisibility());
+
+  // When spoken feedback is on, the AppList should not toggle.
+  delegate->ToggleSpokenFeedback();
+  EXPECT_FALSE(ProcessWithContext(
+      ui::Accelerator(ui::VKEY_LWIN, ui::EF_NONE)));
+  EXPECT_FALSE(ProcessWithContext(
+      ReleaseAccelerator(ui::VKEY_LWIN, ui::EF_NONE)));
+  delegate->ToggleSpokenFeedback();
+  EXPECT_TRUE(ash::Shell::GetInstance()->GetAppListTargetVisibility());
+
+  EXPECT_FALSE(ProcessWithContext(
+      ui::Accelerator(ui::VKEY_LWIN, ui::EF_NONE)));
+  EXPECT_TRUE(ProcessWithContext(
+      ReleaseAccelerator(ui::VKEY_LWIN, ui::EF_NONE)));
+  EXPECT_FALSE(ash::Shell::GetInstance()->GetAppListTargetVisibility());
+
+  // When spoken feedback is on, the AppList should not toggle.
+  delegate->ToggleSpokenFeedback();
+  EXPECT_FALSE(ProcessWithContext(
+      ui::Accelerator(ui::VKEY_LWIN, ui::EF_NONE)));
+  EXPECT_FALSE(ProcessWithContext(
+      ReleaseAccelerator(ui::VKEY_LWIN, ui::EF_NONE)));
+  delegate->ToggleSpokenFeedback();
+  EXPECT_FALSE(ash::Shell::GetInstance()->GetAppListTargetVisibility());
+}
+
 TEST_F(AcceleratorControllerTest, ImeGlobalAccelerators) {
   // Test IME shortcuts.
   {
     const ui::Accelerator control_space(ui::VKEY_SPACE, ui::EF_CONTROL_DOWN);
     const ui::Accelerator convert(ui::VKEY_CONVERT, ui::EF_NONE);
     const ui::Accelerator non_convert(ui::VKEY_NONCONVERT, ui::EF_NONE);
     const ui::Accelerator wide_half_1(ui::VKEY_DBE_SBCSCHAR, ui::EF_NONE);
     const ui::Accelerator wide_half_2(ui::VKEY_DBE_DBCSCHAR, ui::EF_NONE);
     const ui::Accelerator hangul(ui::VKEY_HANGUL, ui::EF_NONE);
     EXPECT_FALSE(ProcessWithContext(control_space));
@@ skipping 289 matching lines @@
     EXPECT_EQ(f9, delegate->last_accelerator());
     EXPECT_EQ(0, delegate->handle_volume_up_count());
     EXPECT_TRUE(ProcessWithContext(f10));
     EXPECT_EQ(1, delegate->handle_volume_up_count());
     EXPECT_EQ(f10, delegate->last_accelerator());
   }
 }
 #endif
 
 }  // namespace ash