src/ash/keyboard_overlay/keyboard_overlay_view.h

   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 #ifndef ASH_KEYBOARD_OVERLAY_KEYBOARD_OVERLAY_VIEW_H_
   6 #define ASH_KEYBOARD_OVERLAY_KEYBOARD_OVERLAY_VIEW_H_
   7
   8 #include <vector>
   9
  10 #include "ash/content_support/ash_with_content_export.h"
  11 #include "ash/wm/overlay_event_filter.h"
  12 #include "base/compiler_specific.h"
  13 #include "base/gtest_prod_util.h"
  14 #include "ui/views/controls/webview/web_dialog_view.h"
  15
  16 class GURL;
  17
  18 namespace content {
  19 class BrowserContext;
  20 }
  21
  22 namespace ui {
  23 class WebDialogDelegate;
  24 }
  25
  26 namespace ash {
  27
  28 // A customized dialog view for the keyboard overlay.
  29 class ASH_WITH_CONTENT_EXPORT KeyboardOverlayView
  30     : public views::WebDialogView,
  31       public ash::OverlayEventFilter::Delegate {
  32  public:
  33   struct KeyEventData {
  34     ui::KeyboardCode key_code;
  35     int flags;
  36   };
  37
  38   KeyboardOverlayView(content::BrowserContext* context,
  39                       ui::WebDialogDelegate* delegate,
  40                       WebContentsHandler* handler);
  41   ~KeyboardOverlayView() override;
  42
  43   // Overridden from ash::OverlayEventFilter::Delegate:
  44   void Cancel() override;
  45   bool IsCancelingKeyEvent(ui::KeyEvent* event) override;
  46   aura::Window* GetWindow() override;
  47
  48   // Shows the keyboard overlay.
  49   static void ShowDialog(content::BrowserContext* context,
  50                          WebContentsHandler* handler,
  51                          const GURL& url);
  52
  53  private:
  54   FRIEND_TEST_ALL_PREFIXES(KeyboardOverlayViewTest, OpenAcceleratorsClose);
  55   FRIEND_TEST_ALL_PREFIXES(KeyboardOverlayViewTest, NoRedundantCancelingKeys);
  56
  57   // Overridden from views::WidgetDelegate:
  58   void WindowClosing() override;
  59
  60   static void GetCancelingKeysForTesting(
  61       std::vector<KeyEventData>* canceling_keys);
  62
  63   DISALLOW_COPY_AND_ASSIGN(KeyboardOverlayView);
  64 };
  65
  66 }  // namespace ash
  67
  68 #endif  // ASH_KEYBOARD_OVERLAY_KEYBOARD_OVERLAY_VIEW_H_