chromeos: Remove old status-area related code.

chrome/browser/chromeos/status/status_area_view.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 "chrome/browser/chromeos/status/status_area_view.h"
-
-#include <algorithm>
-
-#include "base/bind.h"
-#include "base/command_line.h"
-#include "base/message_loop.h"
-#include "chrome/browser/chromeos/view_ids.h"
-#include "ui/gfx/canvas.h"
-#include "ui/views/border.h"
-
-#if defined(USE_ASH)
-#include "ash/focus_cycler.h"
-#include "ash/shell.h"
-#endif
-
-// Number of pixels to separate each icon.
-const int kSeparation = 0;
-
-StatusAreaView::StatusAreaView()
-    : need_return_focus_(false),
-      skip_next_focus_return_(true) {
-  set_id(VIEW_ID_STATUS_AREA);
-}
-
-StatusAreaView::~StatusAreaView() {
-}
-
-void StatusAreaView::AddButton(StatusAreaButton* button, ButtonBorder border) {
-  buttons_.push_back(button);
-  if (border == HAS_BORDER)
-    button->set_border(views::Border::CreateEmptyBorder(0, 1, 0, 0));
-  AddChildView(button);
-  UpdateButtonVisibility();
-}
-
-void StatusAreaView::RemoveButton(StatusAreaButton* button) {
-  std::list<StatusAreaButton*>::iterator iter =
-      std::find(buttons_.begin(), buttons_.end(), button);
-  if (iter != buttons_.end()) {
-    RemoveChildView(*iter);
-    buttons_.erase(iter);
-  }
-  UpdateButtonVisibility();
-}
-
-// views::View* overrides.
-
-gfx::Size StatusAreaView::GetPreferredSize() {
-  int result_w = 0;
-  int result_h = 0;
-
-  for (int i = 0; i < child_count(); i++) {
-    views::View* cur = child_at(i);
-    gfx::Size cur_size = cur->GetPreferredSize();
-    if (cur->visible() && !cur_size.IsEmpty()) {
-      if (result_w == 0)
-        result_w = kSeparation;
-
-      // Add each width.
-      result_w += cur_size.width() + kSeparation;
-      // Use max height.
-      result_h = std::max(result_h, cur_size.height());
-    }
-  }
-  return gfx::Size(result_w, result_h);
-}
-
-void StatusAreaView::Layout() {
-  int cur_x = kSeparation;
-  for (int i = 0; i < child_count(); i++) {
-    views::View* cur = child_at(i);
-    gfx::Size cur_size = cur->GetPreferredSize();
-    if (cur->visible() && !cur_size.IsEmpty()) {
-      int cur_y = (height() - cur_size.height()) / 2;
-
-      // Handle odd number of pixels.
-      cur_y += (height() - cur_size.height()) % 2;
-
-      // Put next in row horizontally, and center vertically.
-      cur->SetBounds(cur_x, cur_y, cur_size.width(), cur_size.height());
-      cur_x += cur_size.width() + kSeparation;
-    }
-  }
-}
-
-void StatusAreaView::PreferredSizeChanged() {
-  if (GetWidget())
-    GetWidget()->SetSize(GetPreferredSize());
-  views::AccessiblePaneView::PreferredSizeChanged();
-}
-
-void StatusAreaView::ChildPreferredSizeChanged(View* child) {
-  // When something like the clock menu button's size changes, we need to
-  // relayout. Also mark that this view's size has changed. This will let
-  // BrowserView know to relayout, which will reset the bounds of this view.
-  Layout();
-  PreferredSizeChanged();
-}
-
-bool StatusAreaView::CanActivate() const {
-#if defined(USE_ASH)
-  // We don't want mouse clicks to activate us, but we need to allow
-  // activation when the user is using the keyboard, such as by the FocusCycler
-  // or on the Login screen.
-  ash::internal::FocusCycler* focus_cycler =
-      ash::Shell::GetInstance()->focus_cycler();
-  return focus_cycler->widget_activating() == GetWidget() ||
-      need_return_focus_;
-#else
-  return false;
-#endif
-}
-
-void StatusAreaView::DeleteDelegate() {
-#if defined(USE_ASH)
-  // If this is used as the content-view of the widget, then do nothing, since
-  // deleting the widget will end up deleting this. But if this is used only as
-  // the widget-delegate, then delete this now.
-  if (!GetWidget()) {
-    delete this;
-    return;
-  }
-#endif
-  WidgetDelegate::DeleteDelegate();
-}
-
-views::Widget* StatusAreaView::GetWidget() {
-  return View::GetWidget();
-}
-
-const views::Widget* StatusAreaView::GetWidget() const {
-  return View::GetWidget();
-}
-
-void StatusAreaView::MakeButtonsActive(bool active) {
-  for (std::list<StatusAreaButton*>::iterator iter = buttons_.begin();
-       iter != buttons_.end(); ++iter) {
-    (*iter)->SetMenuActive(active);
-  }
-}
-
-void StatusAreaView::UpdateButtonVisibility() {
-  Layout();
-  PreferredSizeChanged();
-}
-
-void StatusAreaView::UpdateButtonTextStyle() {
-  for (std::list<StatusAreaButton*>::const_iterator it = buttons_.begin();
-       it != buttons_.end(); ++it) {
-    StatusAreaButton* button = *it;
-    button->UpdateTextStyle();
-  }
-}
-
-void StatusAreaView::TakeFocus(
-    bool reverse,
-    const ReturnFocusCallback& return_focus_cb) {
-  SetPaneFocus(reverse ? GetLastFocusableChild() : GetFirstFocusableChild());
-  need_return_focus_ = true;
-  return_focus_cb_ = return_focus_cb;
-  GetWidget()->AddObserver(this);
-}
-
-void StatusAreaView::ReturnFocus(bool reverse) {
-  ClearFocus();
-  return_focus_cb_.Run(reverse);
-}
-
-void StatusAreaView::ClearFocus() {
-  GetWidget()->RemoveObserver(this);
-  RemovePaneFocus();
-  focus_manager_->ClearFocus();
-  need_return_focus_ = false;
-}
-
-void StatusAreaView::OnDidChangeFocus(views::View* focused_before,
-                                      views::View* focused_now) {
-  views::AccessiblePaneView::OnDidChangeFocus(focused_before, focused_now);
-  if (need_return_focus_ && !skip_next_focus_return_) {
-    const views::View* first = GetFirstFocusableChild();
-    const views::View* last = GetLastFocusableChild();
-    const bool first_to_last = (focused_before == first && focused_now == last);
-    const bool last_to_first = (focused_now == first && focused_before == last);
-
-    if (first_to_last || last_to_first)
-      ReturnFocus(first_to_last);
-  }
-  skip_next_focus_return_ = false;
-}
-
-void StatusAreaView::OnWidgetActivationChanged(views::Widget* widget,
-                                               bool active) {
-  if (!active)
-    ClearFocus();
-}
-
-bool StatusAreaView::AcceleratorPressed(const ui::Accelerator& accelerator) {
-  if (need_return_focus_ && accelerator.key_code() == ui::VKEY_ESCAPE) {
-    // Override Escape handling to return focus back.
-    ReturnFocus(false);
-    return true;
-  } else if (accelerator.key_code() == ui::VKEY_HOME ||
-             accelerator.key_code() == ui::VKEY_END) {
-    // Do not return focus if it wraps right after pressing Home/End.
-    skip_next_focus_return_ = true;
-  }
-  return AccessiblePaneView::AcceleratorPressed(accelerator);
-}