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// 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/keyboard_overlay/keyboard_overlay_view.h"
#include "ash/keyboard_overlay/keyboard_overlay_delegate.h"
#include "ash/shell.h"
#include "base/strings/utf_string_conversions.h"
#include "content/public/browser/browser_context.h"
#include "grit/ash_strings.h"
#include "ui/base/l10n/l10n_util.h"
#include "ui/events/event.h"
#include "ui/gfx/screen.h"
#include "ui/views/widget/widget.h"
#include "ui/web_dialogs/web_dialog_delegate.h"
using ui::WebDialogDelegate;
namespace {
// Keys to invoke Cancel (Escape, Ctrl+Alt+/, or Shift+Ctrl+Alt+/, Help, F14).
const ash::KeyboardOverlayView::KeyEventData kCancelKeys[] = {
{ ui::VKEY_ESCAPE, ui::EF_NONE},
{ ui::VKEY_OEM_2, ui::EF_CONTROL_DOWN | ui::EF_ALT_DOWN },
{ ui::VKEY_OEM_2, ui::EF_SHIFT_DOWN | ui::EF_CONTROL_DOWN | ui::EF_ALT_DOWN },
{ ui::VKEY_HELP, ui::EF_NONE },
{ ui::VKEY_F14, ui::EF_NONE },
};
}
namespace ash {
KeyboardOverlayView::KeyboardOverlayView(
content::BrowserContext* context,
WebDialogDelegate* delegate,
WebContentsHandler* handler)
: views::WebDialogView(context, delegate, handler) {
}
KeyboardOverlayView::~KeyboardOverlayView() {
}
void KeyboardOverlayView::Cancel() {
Shell::GetInstance()->overlay_filter()->Deactivate();
views::Widget* widget = GetWidget();
if (widget)
widget->Close();
}
bool KeyboardOverlayView::IsCancelingKeyEvent(ui::KeyEvent* event) {
if (event->type() != ui::ET_KEY_PRESSED)
return false;
// Ignore the caps lock state.
const int flags = (event->flags() & ~ui::EF_CAPS_LOCK_DOWN);
for (size_t i = 0; i < arraysize(kCancelKeys); ++i) {
if ((kCancelKeys[i].key_code == event->key_code()) &&
(kCancelKeys[i].flags == flags))
return true;
}
return false;
}
aura::Window* KeyboardOverlayView::GetWindow() {
return GetWidget()->GetNativeWindow();
}
void KeyboardOverlayView::ShowDialog(
content::BrowserContext* context,
WebContentsHandler* handler,
const GURL& url) {
KeyboardOverlayDelegate* delegate = new KeyboardOverlayDelegate(
l10n_util::GetStringUTF16(IDS_ASH_KEYBOARD_OVERLAY_TITLE), url);
KeyboardOverlayView* view =
new KeyboardOverlayView(context, delegate, handler);
delegate->Show(view);
Shell::GetInstance()->overlay_filter()->Activate(view);
}
void KeyboardOverlayView::WindowClosing() {
Cancel();
}
// static
void KeyboardOverlayView::GetCancelingKeysForTesting(
std::vector<KeyboardOverlayView::KeyEventData>* canceling_keys) {
CHECK(canceling_keys);
canceling_keys->clear();
for (size_t i = 0; i < arraysize(kCancelKeys); ++i)
canceling_keys->push_back(kCancelKeys[i]);
}
} // namespace ash
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