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

ash/common/shelf/app_list_button.cc

Index: ash/common/shelf/app_list_button.cc
diff --git a/ash/common/shelf/app_list_button.cc b/ash/common/shelf/app_list_button.cc
deleted file mode 100644
index c9e3d305b5fcf9023be03976b308179cdd9f158d..0000000000000000000000000000000000000000
--- a/ash/common/shelf/app_list_button.cc
+++ /dev/null
@@ -1,216 +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/shelf/app_list_button.h"
-
-#include "ash/common/shelf/ink_drop_button_listener.h"
-#include "ash/common/shelf/shelf_constants.h"
-#include "ash/common/shelf/shelf_view.h"
-#include "ash/common/shelf/wm_shelf.h"
-#include "ash/common/wm_shell.h"
-#include "ash/public/cpp/shelf_types.h"
-#include "ash/strings/grit/ash_strings.h"
-#include "ash/system/tray/tray_popup_utils.h"
-#include "base/memory/ptr_util.h"
-#include "ui/accessibility/ax_node_data.h"
-#include "ui/base/l10n/l10n_util.h"
-#include "ui/gfx/canvas.h"
-#include "ui/gfx/scoped_canvas.h"
-#include "ui/views/animation/flood_fill_ink_drop_ripple.h"
-#include "ui/views/animation/ink_drop_impl.h"
-#include "ui/views/animation/ink_drop_mask.h"
-#include "ui/views/painter.h"
-
-namespace ash {
-
-AppListButton::AppListButton(InkDropButtonListener* listener,
-                             ShelfView* shelf_view,
-                             WmShelf* wm_shelf)
-    : views::ImageButton(nullptr),
-      is_showing_app_list_(false),
-      background_color_(kShelfDefaultBaseColor),
-      listener_(listener),
-      shelf_view_(shelf_view),
-      wm_shelf_(wm_shelf) {
-  DCHECK(listener_);
-  DCHECK(shelf_view_);
-  DCHECK(wm_shelf_);
-
-  SetInkDropMode(InkDropMode::ON_NO_GESTURE_HANDLER);
-  set_ink_drop_base_color(kShelfInkDropBaseColor);
-  set_ink_drop_visible_opacity(kShelfInkDropVisibleOpacity);
-  SetAccessibleName(
-      l10n_util::GetStringUTF16(IDS_ASH_SHELF_APP_LIST_LAUNCHER_TITLE));
-  SetSize(
-      gfx::Size(GetShelfConstant(SHELF_SIZE), GetShelfConstant(SHELF_SIZE)));
-  SetFocusPainter(TrayPopupUtils::CreateFocusPainter());
-  set_notify_action(CustomButton::NOTIFY_ON_PRESS);
-}
-
-AppListButton::~AppListButton() {}
-
-void AppListButton::OnAppListShown() {
-  AnimateInkDrop(views::InkDropState::ACTIVATED, nullptr);
-  is_showing_app_list_ = true;
-  wm_shelf_->UpdateAutoHideState();
-}
-
-void AppListButton::OnAppListDismissed() {
-  AnimateInkDrop(views::InkDropState::DEACTIVATED, nullptr);
-  is_showing_app_list_ = false;
-  wm_shelf_->UpdateAutoHideState();
-}
-
-void AppListButton::UpdateShelfItemBackground(SkColor color) {
-  background_color_ = color;
-  SchedulePaint();
-}
-
-bool AppListButton::OnMousePressed(const ui::MouseEvent& event) {
-  ImageButton::OnMousePressed(event);
-  shelf_view_->PointerPressedOnButton(this, ShelfView::MOUSE, event);
-  return true;
-}
-
-void AppListButton::OnMouseReleased(const ui::MouseEvent& event) {
-  ImageButton::OnMouseReleased(event);
-  shelf_view_->PointerReleasedOnButton(this, ShelfView::MOUSE, false);
-}
-
-void AppListButton::OnMouseCaptureLost() {
-  shelf_view_->PointerReleasedOnButton(this, ShelfView::MOUSE, true);
-  ImageButton::OnMouseCaptureLost();
-}
-
-bool AppListButton::OnMouseDragged(const ui::MouseEvent& event) {
-  ImageButton::OnMouseDragged(event);
-  shelf_view_->PointerDraggedOnButton(this, ShelfView::MOUSE, event);
-  return true;
-}
-
-void AppListButton::OnGestureEvent(ui::GestureEvent* event) {
-  switch (event->type()) {
-    case ui::ET_GESTURE_SCROLL_BEGIN:
-      AnimateInkDrop(views::InkDropState::HIDDEN, event);
-      shelf_view_->PointerPressedOnButton(this, ShelfView::TOUCH, *event);
-      event->SetHandled();
-      return;
-    case ui::ET_GESTURE_SCROLL_UPDATE:
-      shelf_view_->PointerDraggedOnButton(this, ShelfView::TOUCH, *event);
-      event->SetHandled();
-      return;
-    case ui::ET_GESTURE_SCROLL_END:
-    case ui::ET_SCROLL_FLING_START:
-      shelf_view_->PointerReleasedOnButton(this, ShelfView::TOUCH, false);
-      event->SetHandled();
-      return;
-    case ui::ET_GESTURE_TAP_DOWN:
-      if (!WmShell::Get()->IsApplistVisible())
-        AnimateInkDrop(views::InkDropState::ACTION_PENDING, event);
-      ImageButton::OnGestureEvent(event);
-      break;
-    default:
-      ImageButton::OnGestureEvent(event);
-      return;
-  }
-}
-
-void AppListButton::OnPaint(gfx::Canvas* canvas) {
-  // Call the base class first to paint any background/borders.
-  View::OnPaint(canvas);
-
-  gfx::PointF circle_center(GetCenterPoint());
-
-  // Paint the circular background.
-  cc::PaintFlags bg_flags;
-  bg_flags.setColor(background_color_);
-  bg_flags.setAntiAlias(true);
-  bg_flags.setStyle(cc::PaintFlags::kFill_Style);
-  canvas->DrawCircle(circle_center, kAppListButtonRadius, bg_flags);
-
-  // Paint a white ring as the foreground. The ceil/dsf math assures that the
-  // ring draws sharply and is centered at all scale factors.
-  const float kRingOuterRadiusDp = 7.f;
-  const float kRingThicknessDp = 1.5f;
-  gfx::ScopedCanvas scoped_canvas(canvas);
-  const float dsf = canvas->UndoDeviceScaleFactor();
-  circle_center.Scale(dsf);
-
-  cc::PaintFlags fg_flags;
-  fg_flags.setAntiAlias(true);
-  fg_flags.setStyle(cc::PaintFlags::kStroke_Style);
-  fg_flags.setColor(kShelfIconColor);
-  const float thickness = std::ceil(kRingThicknessDp * dsf);
-  const float radius = std::ceil(kRingOuterRadiusDp * dsf) - thickness / 2;
-  fg_flags.setStrokeWidth(thickness);
-  // Make sure the center of the circle lands on pixel centers.
-  canvas->DrawCircle(circle_center, radius, fg_flags);
-
-  views::Painter::PaintFocusPainter(this, canvas, focus_painter());
-}
-
-void AppListButton::GetAccessibleNodeData(ui::AXNodeData* node_data) {
-  node_data->role = ui::AX_ROLE_BUTTON;
-  node_data->SetName(shelf_view_->GetTitleForView(this));
-}
-
-std::unique_ptr<views::InkDropRipple> AppListButton::CreateInkDropRipple()
-    const {
-  gfx::Point center = GetCenterPoint();
-  gfx::Rect bounds(center.x() - kAppListButtonRadius,
-                   center.y() - kAppListButtonRadius, 2 * kAppListButtonRadius,
-                   2 * kAppListButtonRadius);
-  return base::MakeUnique<views::FloodFillInkDropRipple>(
-      size(), GetLocalBounds().InsetsFrom(bounds),
-      GetInkDropCenterBasedOnLastEvent(), GetInkDropBaseColor(),
-      ink_drop_visible_opacity());
-}
-
-void AppListButton::NotifyClick(const ui::Event& event) {
-  ImageButton::NotifyClick(event);
-  if (listener_)
-    listener_->ButtonPressed(this, event, GetInkDrop());
-}
-
-bool AppListButton::ShouldEnterPushedState(const ui::Event& event) {
-  if (!shelf_view_->ShouldEventActivateButton(this, event))
-    return false;
-  if (WmShell::Get()->IsApplistVisible())
-    return false;
-  return views::ImageButton::ShouldEnterPushedState(event);
-}
-
-std::unique_ptr<views::InkDrop> AppListButton::CreateInkDrop() {
-  std::unique_ptr<views::InkDropImpl> ink_drop =
-      CustomButton::CreateDefaultInkDropImpl();
-  ink_drop->SetShowHighlightOnHover(false);
-  return std::move(ink_drop);
-}
-
-std::unique_ptr<views::InkDropMask> AppListButton::CreateInkDropMask() const {
-  return base::MakeUnique<views::CircleInkDropMask>(size(), GetCenterPoint(),
-                                                    kAppListButtonRadius);
-}
-
-gfx::Point AppListButton::GetCenterPoint() const {
-  // For a bottom-aligned shelf, the button bounds could have a larger height
-  // than width (in the case of touch-dragging the shelf updwards) or a larger
-  // width than height (in the case of a shelf hide/show animation), so adjust
-  // the y-position of the circle's center to ensure correct layout. Similarly
-  // adjust the x-position for a left- or right-aligned shelf.
-  const int x_mid = width() / 2.f;
-  const int y_mid = height() / 2.f;
-  ShelfAlignment alignment = wm_shelf_->GetAlignment();
-  if (alignment == SHELF_ALIGNMENT_BOTTOM ||
-      alignment == SHELF_ALIGNMENT_BOTTOM_LOCKED) {
-    return gfx::Point(x_mid, x_mid);
-  } else if (alignment == SHELF_ALIGNMENT_RIGHT) {
-    return gfx::Point(y_mid, y_mid);
-  } else {
-    DCHECK_EQ(alignment, SHELF_ALIGNMENT_LEFT);
-    return gfx::Point(width() - y_mid, y_mid);
-  }
-}
-
-}  // namespace ash