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 "ash/keyboard_overlay/keyboard_overlay_view.h" 6 7#include "ash/keyboard_overlay/keyboard_overlay_delegate.h" 8#include "ash/shell.h" 9#include "base/strings/utf_string_conversions.h" 10#include "content/public/browser/browser_context.h" 11#include "grit/ash_strings.h" 12#include "ui/base/events/event.h" 13#include "ui/base/l10n/l10n_util.h" 14#include "ui/gfx/screen.h" 15#include "ui/views/widget/widget.h" 16#include "ui/web_dialogs/web_dialog_delegate.h" 17 18using ui::WebDialogDelegate; 19 20namespace { 21 22// Keys to invoke Cancel (Escape, Ctrl+Alt+/, or Shift+Ctrl+Alt+/, Help, F14). 23const ash::KeyboardOverlayView::KeyEventData kCancelKeys[] = { 24 { ui::VKEY_ESCAPE, ui::EF_NONE}, 25 { ui::VKEY_OEM_2, ui::EF_CONTROL_DOWN | ui::EF_ALT_DOWN }, 26 { ui::VKEY_OEM_2, ui::EF_SHIFT_DOWN | ui::EF_CONTROL_DOWN | ui::EF_ALT_DOWN }, 27 { ui::VKEY_HELP, ui::EF_NONE }, 28 { ui::VKEY_F14, ui::EF_NONE }, 29}; 30 31} 32 33namespace ash { 34 35KeyboardOverlayView::KeyboardOverlayView( 36 content::BrowserContext* context, 37 WebDialogDelegate* delegate, 38 WebContentsHandler* handler) 39 : views::WebDialogView(context, delegate, handler) { 40} 41 42KeyboardOverlayView::~KeyboardOverlayView() { 43} 44 45void KeyboardOverlayView::Cancel() { 46 Shell::GetInstance()->overlay_filter()->Deactivate(); 47 views::Widget* widget = GetWidget(); 48 if (widget) 49 widget->Close(); 50} 51 52bool KeyboardOverlayView::IsCancelingKeyEvent(ui::KeyEvent* event) { 53 if (event->type() != ui::ET_KEY_PRESSED) 54 return false; 55 // Ignore the caps lock state. 56 const int flags = (event->flags() & ~ui::EF_CAPS_LOCK_DOWN); 57 for (size_t i = 0; i < arraysize(kCancelKeys); ++i) { 58 if ((kCancelKeys[i].key_code == event->key_code()) && 59 (kCancelKeys[i].flags == flags)) 60 return true; 61 } 62 return false; 63} 64 65aura::Window* KeyboardOverlayView::GetWindow() { 66 return GetWidget()->GetNativeWindow(); 67} 68 69void KeyboardOverlayView::ShowDialog( 70 content::BrowserContext* context, 71 WebContentsHandler* handler, 72 const GURL& url) { 73 KeyboardOverlayDelegate* delegate = new KeyboardOverlayDelegate( 74 l10n_util::GetStringUTF16(IDS_ASH_KEYBOARD_OVERLAY_TITLE), url); 75 KeyboardOverlayView* view = 76 new KeyboardOverlayView(context, delegate, handler); 77 delegate->Show(view); 78 79 Shell::GetInstance()->overlay_filter()->Activate(view); 80} 81 82void KeyboardOverlayView::WindowClosing() { 83 Cancel(); 84} 85 86// static 87void KeyboardOverlayView::GetCancelingKeysForTesting( 88 std::vector<KeyboardOverlayView::KeyEventData>* canceling_keys) { 89 CHECK(canceling_keys); 90 canceling_keys->clear(); 91 for (size_t i = 0; i < arraysize(kCancelKeys); ++i) 92 canceling_keys->push_back(kCancelKeys[i]); 93} 94 95} // namespace ash 96