chromeos: Move files in //ash/common to //ash, part 1

ash/common/system/overview/overview_button_tray.cc

Index: ash/common/system/overview/overview_button_tray.cc
diff --git a/ash/common/system/overview/overview_button_tray.cc b/ash/common/system/overview/overview_button_tray.cc
deleted file mode 100644
index c28d814dd6ffe63a28b7d2901866606108e14d4a..0000000000000000000000000000000000000000
--- a/ash/common/system/overview/overview_button_tray.cc
+++ /dev/null
@@ -1,128 +0,0 @@
-// Copyright 2014 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/system/overview/overview_button_tray.h"
-
-#include "ash/common/session/session_state_delegate.h"
-#include "ash/common/shelf/shelf_constants.h"
-#include "ash/common/system/tray/system_tray_delegate.h"
-#include "ash/common/system/tray/tray_constants.h"
-#include "ash/common/wm/maximize_mode/maximize_mode_controller.h"
-#include "ash/common/wm/overview/window_selector_controller.h"
-#include "ash/common/wm_shell.h"
-#include "ash/resources/vector_icons/vector_icons.h"
-#include "ash/strings/grit/ash_strings.h"
-#include "ui/base/l10n/l10n_util.h"
-#include "ui/gfx/paint_vector_icon.h"
-#include "ui/views/border.h"
-#include "ui/views/controls/image_view.h"
-
-namespace ash {
-
-OverviewButtonTray::OverviewButtonTray(WmShelf* wm_shelf)
-    : TrayBackgroundView(wm_shelf), icon_(new views::ImageView()) {
-  SetInkDropMode(InkDropMode::ON);
-  SetContentsBackground(false);
-
-  icon_->SetImage(CreateVectorIcon(kShelfOverviewIcon, kShelfIconColor));
-  SetIconBorderForShelfAlignment();
-  tray_container()->AddChildView(icon_);
-
-  // Since OverviewButtonTray is located on the rightmost position of a
-  // horizontal shelf, no separator is required.
-  set_separator_visibility(false);
-
-  WmShell::Get()->AddShellObserver(this);
-  WmShell::Get()->GetSessionStateDelegate()->AddSessionStateObserver(this);
-}
-
-OverviewButtonTray::~OverviewButtonTray() {
-  WmShell::Get()->RemoveShellObserver(this);
-  WmShell::Get()->GetSessionStateDelegate()->RemoveSessionStateObserver(this);
-}
-
-void OverviewButtonTray::UpdateAfterLoginStatusChange(LoginStatus status) {
-  UpdateIconVisibility();
-}
-
-bool OverviewButtonTray::PerformAction(const ui::Event& event) {
-  WindowSelectorController* controller =
-      WmShell::Get()->window_selector_controller();
-  // Toggling overview mode will fail if there is no window to show.
-  bool performed = controller->ToggleOverview();
-  WmShell::Get()->RecordUserMetricsAction(UMA_TRAY_OVERVIEW);
-  return performed;
-}
-
-void OverviewButtonTray::SessionStateChanged(
-    session_manager::SessionState state) {
-  UpdateIconVisibility();
-}
-
-void OverviewButtonTray::OnMaximizeModeStarted() {
-  UpdateIconVisibility();
-}
-
-void OverviewButtonTray::OnMaximizeModeEnded() {
-  UpdateIconVisibility();
-}
-
-void OverviewButtonTray::OnOverviewModeStarting() {
-  SetIsActive(true);
-}
-
-void OverviewButtonTray::OnOverviewModeEnded() {
-  SetIsActive(false);
-}
-
-void OverviewButtonTray::ClickedOutsideBubble() {}
-
-base::string16 OverviewButtonTray::GetAccessibleNameForTray() {
-  return l10n_util::GetStringUTF16(IDS_ASH_OVERVIEW_BUTTON_ACCESSIBLE_NAME);
-}
-
-void OverviewButtonTray::HideBubbleWithView(
-    const views::TrayBubbleView* bubble_view) {
-  // This class has no bubbles to hide.
-}
-
-void OverviewButtonTray::SetShelfAlignment(ShelfAlignment alignment) {
-  if (alignment == shelf_alignment())
-    return;
-
-  TrayBackgroundView::SetShelfAlignment(alignment);
-  SetIconBorderForShelfAlignment();
-}
-
-void OverviewButtonTray::SetIconBorderForShelfAlignment() {
-  // Pad button size to align with other controls in the system tray.
-  const gfx::ImageSkia& image = icon_->GetImage();
-  const int vertical_padding = (kTrayItemSize - image.height()) / 2;
-  const int horizontal_padding = (kTrayItemSize - image.width()) / 2;
-  icon_->SetBorder(views::CreateEmptyBorder(
-      gfx::Insets(vertical_padding, horizontal_padding)));
-}
-
-void OverviewButtonTray::UpdateIconVisibility() {
-  // The visibility of the OverviewButtonTray has diverged from
-  // WindowSelectorController::CanSelect. The visibility of the button should
-  // not change during transient times in which CanSelect is false. Such as when
-  // a modal dialog is present.
-  WmShell* shell = WmShell::Get();
-  SessionStateDelegate* session_state_delegate =
-      shell->GetSessionStateDelegate();
-
-  SetVisible(
-      shell->maximize_mode_controller()->IsMaximizeModeWindowManagerEnabled() &&
-      session_state_delegate->IsActiveUserSessionStarted() &&
-      !session_state_delegate->IsScreenLocked() &&
-      session_state_delegate->GetSessionState() ==
-          session_manager::SessionState::ACTIVE &&
-      shell->system_tray_delegate()->GetUserLoginStatus() !=
-          LoginStatus::KIOSK_APP &&
-      shell->system_tray_delegate()->GetUserLoginStatus() !=
-          LoginStatus::ARC_KIOSK_APP);
-}
-
-}  // namespace ash