chromeos: Move files in //ash/common to //ash, part 2

ash/common/accelerators/exit_warning_handler.cc

-// Copyright 2013 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/common/accelerators/exit_warning_handler.h"
-
-#include "ash/common/shell_delegate.h"
-#include "ash/common/wm_shell.h"
-#include "ash/common/wm_window.h"
-#include "ash/public/cpp/shell_window_ids.h"
-#include "ash/root_window_controller.h"
-#include "ash/strings/grit/ash_strings.h"
-#include "base/strings/utf_string_conversions.h"
-#include "base/time/time.h"
-#include "base/timer/timer.h"
-#include "ui/accessibility/ax_node_data.h"
-#include "ui/base/l10n/l10n_util.h"
-#include "ui/base/resource/resource_bundle.h"
-#include "ui/gfx/canvas.h"
-#include "ui/gfx/font_list.h"
-#include "ui/gfx/text_utils.h"
-#include "ui/views/controls/label.h"
-#include "ui/views/layout/fill_layout.h"
-#include "ui/views/view.h"
-#include "ui/views/widget/widget.h"
-#include "ui/views/widget/widget_delegate.h"
-
-namespace ash {
-namespace {
-
-const int64_t kTimeOutMilliseconds = 2000;
-// Color of the text of the warning message.
-const SkColor kTextColor = SK_ColorWHITE;
-// Color of the window background.
-const SkColor kWindowBackgroundColor = SkColorSetARGB(0xC0, 0x0, 0x0, 0x0);
-// Radius of the rounded corners of the window.
-const int kWindowCornerRadius = 2;
-const int kHorizontalMarginAroundText = 100;
-const int kVerticalMarginAroundText = 100;
-
-class ExitWarningWidgetDelegateView : public views::WidgetDelegateView {
- public:
-  ExitWarningWidgetDelegateView()
-      : text_(l10n_util::GetStringUTF16(IDS_ASH_SIGN_OUT_WARNING_POPUP_TEXT)),
-        accessible_name_(l10n_util::GetStringUTF16(
-            IDS_ASH_SIGN_OUT_WARNING_POPUP_TEXT_ACCESSIBLE)),
-        text_width_(0),
-        width_(0),
-        height_(0) {
-    ui::ResourceBundle& rb = ui::ResourceBundle::GetSharedInstance();
-    const gfx::FontList& font_list =
-        rb.GetFontList(ui::ResourceBundle::LargeFont);
-    text_width_ = gfx::GetStringWidth(text_, font_list);
-    width_ = text_width_ + kHorizontalMarginAroundText;
-    height_ = font_list.GetHeight() + kVerticalMarginAroundText;
-    views::Label* label = new views::Label();
-    label->SetText(text_);
-    label->SetHorizontalAlignment(gfx::ALIGN_CENTER);
-    label->SetFontList(font_list);
-    label->SetEnabledColor(kTextColor);
-    label->SetDisabledColor(kTextColor);
-    label->SetAutoColorReadabilityEnabled(false);
-    label->SetSubpixelRenderingEnabled(false);
-    AddChildView(label);
-    SetLayoutManager(new views::FillLayout);
-  }
-
-  gfx::Size GetPreferredSize() const override {
-    return gfx::Size(width_, height_);
-  }
-
-  void OnPaint(gfx::Canvas* canvas) override {
-    cc::PaintFlags flags;
-    flags.setStyle(cc::PaintFlags::kFill_Style);
-    flags.setColor(kWindowBackgroundColor);
-    canvas->DrawRoundRect(GetLocalBounds(), kWindowCornerRadius, flags);
-    views::WidgetDelegateView::OnPaint(canvas);
-  }
-
-  void GetAccessibleNodeData(ui::AXNodeData* node_data) override {
-    node_data->SetName(accessible_name_);
-    node_data->role = ui::AX_ROLE_ALERT;
-  }
-
- private:
-  base::string16 text_;
-  base::string16 accessible_name_;
-  int text_width_;
-  int width_;
-  int height_;
-
-  DISALLOW_COPY_AND_ASSIGN(ExitWarningWidgetDelegateView);
-};
-
-}  // namespace
-
-ExitWarningHandler::ExitWarningHandler()
-    : state_(IDLE), stub_timer_for_test_(false) {}
-
-ExitWarningHandler::~ExitWarningHandler() {
-  // Note: If a timer is outstanding, it is stopped in its destructor.
-  Hide();
-}
-
-void ExitWarningHandler::HandleAccelerator() {
-  switch (state_) {
-    case IDLE:
-      state_ = WAIT_FOR_DOUBLE_PRESS;
-      Show();
-      StartTimer();
-      WmShell::Get()->RecordUserMetricsAction(UMA_ACCEL_EXIT_FIRST_Q);
-      break;
-    case WAIT_FOR_DOUBLE_PRESS:
-      state_ = EXITING;
-      CancelTimer();
-      Hide();
-      WmShell::Get()->RecordUserMetricsAction(UMA_ACCEL_EXIT_SECOND_Q);
-      WmShell::Get()->delegate()->Exit();
-      break;
-    case EXITING:
-      break;
-  }
-}
-
-void ExitWarningHandler::TimerAction() {
-  Hide();
-  if (state_ == WAIT_FOR_DOUBLE_PRESS)
-    state_ = IDLE;
-}
-
-void ExitWarningHandler::StartTimer() {
-  if (stub_timer_for_test_)
-    return;
-  timer_.Start(FROM_HERE,
-               base::TimeDelta::FromMilliseconds(kTimeOutMilliseconds), this,
-               &ExitWarningHandler::TimerAction);
-}
-
-void ExitWarningHandler::CancelTimer() {
-  timer_.Stop();
-}
-
-void ExitWarningHandler::Show() {
-  if (widget_)
-    return;
-  WmWindow* root_window = WmShell::Get()->GetRootWindowForNewWindows();
-  ExitWarningWidgetDelegateView* delegate = new ExitWarningWidgetDelegateView;
-  gfx::Size rs = root_window->GetBounds().size();
-  gfx::Size ps = delegate->GetPreferredSize();
-  gfx::Rect bounds((rs.width() - ps.width()) / 2,
-                   (rs.height() - ps.height()) / 3, ps.width(), ps.height());
-  views::Widget::InitParams params;
-  params.type = views::Widget::InitParams::TYPE_POPUP;
-  params.opacity = views::Widget::InitParams::TRANSLUCENT_WINDOW;
-  params.ownership = views::Widget::InitParams::WIDGET_OWNS_NATIVE_WIDGET;
-  params.accept_events = false;
-  params.keep_on_top = true;
-  params.remove_standard_frame = true;
-  params.delegate = delegate;
-  params.bounds = bounds;
-  params.name = "ExitWarningWindow";
-  widget_.reset(new views::Widget);
-  root_window->GetRootWindowController()->ConfigureWidgetInitParamsForContainer(
-      widget_.get(), kShellWindowId_SettingBubbleContainer, &params);
-  widget_->Init(params);
-  widget_->Show();
-
-  delegate->NotifyAccessibilityEvent(ui::AX_EVENT_ALERT, true);
-}
-
-void ExitWarningHandler::Hide() {
-  widget_.reset();
-}
-
-}  // namespace ash