Remove some platform specific stuff from views.

ui/app_list/views/app_list_item_view.cc

Index: ui/app_list/views/app_list_item_view.cc
diff --git a/ui/app_list/views/app_list_item_view.cc b/ui/app_list/views/app_list_item_view.cc
deleted file mode 100644
index 072e4b3fecf805a0cf1130e5efec7a12800e7167..0000000000000000000000000000000000000000
--- a/ui/app_list/views/app_list_item_view.cc
+++ /dev/null
@@ -1,556 +0,0 @@
-// 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 "ui/app_list/views/app_list_item_view.h"
-
-#include <algorithm>
-
-#include "base/strings/utf_string_conversions.h"
-#include "ui/accessibility/ax_view_state.h"
-#include "ui/app_list/app_list_constants.h"
-#include "ui/app_list/app_list_folder_item.h"
-#include "ui/app_list/app_list_item.h"
-#include "ui/app_list/views/apps_grid_view.h"
-#include "ui/app_list/views/cached_label.h"
-#include "ui/app_list/views/progress_bar_view.h"
-#include "ui/base/dragdrop/drag_utils.h"
-#include "ui/base/l10n/l10n_util.h"
-#include "ui/base/resource/resource_bundle.h"
-#include "ui/compositor/layer.h"
-#include "ui/compositor/scoped_layer_animation_settings.h"
-#include "ui/gfx/animation/throb_animation.h"
-#include "ui/gfx/canvas.h"
-#include "ui/gfx/font_list.h"
-#include "ui/gfx/image/image_skia_operations.h"
-#include "ui/gfx/point.h"
-#include "ui/gfx/shadow_value.h"
-#include "ui/gfx/transform_util.h"
-#include "ui/strings/grit/ui_strings.h"
-#include "ui/views/background.h"
-#include "ui/views/controls/image_view.h"
-#include "ui/views/controls/label.h"
-#include "ui/views/controls/menu/menu_runner.h"
-#include "ui/views/drag_controller.h"
-
-namespace app_list {
-
-namespace {
-
-const int kTopPadding = 20;
-const int kIconTitleSpacing = 7;
-const int kProgressBarHorizontalPadding = 12;
-
-// Radius of the folder dropping preview circle.
-const int kFolderPreviewRadius = 40;
-
-const int kLeftRightPaddingChars = 1;
-
-// Scale to transform the icon when a drag starts.
-const float kDraggingIconScale = 1.5f;
-
-// Delay in milliseconds of when the dragging UI should be shown for mouse drag.
-const int kMouseDragUIDelayInMs = 200;
-
-const gfx::ShadowValues& GetIconShadows() {
-  CR_DEFINE_STATIC_LOCAL(
-      const gfx::ShadowValues,
-      icon_shadows,
-      (1,
-       gfx::ShadowValue(gfx::Point(0, 2), 2, SkColorSetARGB(0x24, 0, 0, 0))));
-  return icon_shadows;
-}
-
-gfx::FontList GetFontList() {
-  ui::ResourceBundle& rb = ui::ResourceBundle::GetSharedInstance();
-  const gfx::FontList& font_list = rb.GetFontList(kItemTextFontStyle);
-// The font is different on each platform. The font size is adjusted on some
-// platforms to keep a consistent look.
-#if defined(OS_LINUX) && !defined(OS_CHROMEOS)
-  // Reducing the font size by 2 makes it the same as the Windows font size.
-  const int kFontSizeDelta = -2;
-  return font_list.DeriveWithSizeDelta(kFontSizeDelta);
-#else
-  return font_list;
-#endif
-}
-
-}  // namespace
-
-// static
-const char AppListItemView::kViewClassName[] = "ui/app_list/AppListItemView";
-
-AppListItemView::AppListItemView(AppsGridView* apps_grid_view,
-                                 AppListItem* item)
-    : CustomButton(apps_grid_view),
-      is_folder_(item->GetItemType() == AppListFolderItem::kItemType),
-      is_in_folder_(item->IsInFolder()),
-      item_weak_(item),
-      apps_grid_view_(apps_grid_view),
-      icon_(new views::ImageView),
-      title_(new CachedLabel),
-      progress_bar_(new ProgressBarView),
-      ui_state_(UI_STATE_NORMAL),
-      touch_dragging_(false),
-      is_installing_(false),
-      is_highlighted_(false) {
-  icon_->set_interactive(false);
-
-  title_->SetBackgroundColor(0);
-  title_->SetAutoColorReadabilityEnabled(false);
-  title_->SetEnabledColor(kGridTitleColor);
-
-  static const gfx::FontList font_list = GetFontList();
-  title_->SetFontList(font_list);
-  title_->SetHorizontalAlignment(gfx::ALIGN_LEFT);
-  title_->Invalidate();
-  SetTitleSubpixelAA();
-
-  AddChildView(icon_);
-  AddChildView(title_);
-  AddChildView(progress_bar_);
-
-  SetIcon(item->icon(), item->has_shadow());
-  SetItemName(base::UTF8ToUTF16(item->GetDisplayName()),
-              base::UTF8ToUTF16(item->name()));
-  SetItemIsInstalling(item->is_installing());
-  SetItemIsHighlighted(item->highlighted());
-  item->AddObserver(this);
-
-  set_context_menu_controller(this);
-  set_request_focus_on_press(false);
-
-  SetAnimationDuration(0);
-}
-
-AppListItemView::~AppListItemView() {
-  if (item_weak_)
-    item_weak_->RemoveObserver(this);
-}
-
-void AppListItemView::SetIcon(const gfx::ImageSkia& icon, bool has_shadow) {
-  // Clear icon and bail out if item icon is empty.
-  if (icon.isNull()) {
-    icon_->SetImage(NULL);
-    return;
-  }
-
-  gfx::ImageSkia resized(gfx::ImageSkiaOperations::CreateResizedImage(
-      icon,
-      skia::ImageOperations::RESIZE_BEST,
-      gfx::Size(kGridIconDimension, kGridIconDimension)));
-  if (has_shadow) {
-    gfx::ImageSkia shadow(gfx::ImageSkiaOperations::CreateImageWithDropShadow(
-        resized, GetIconShadows()));
-    icon_->SetImage(shadow);
-    return;
-  }
-
-  icon_->SetImage(resized);
-}
-
-void AppListItemView::SetUIState(UIState state) {
-  if (ui_state_ == state)
-    return;
-
-  ui_state_ = state;
-
-  switch (ui_state_) {
-    case UI_STATE_NORMAL:
-      title_->SetVisible(!is_installing_);
-      progress_bar_->SetVisible(is_installing_);
-      break;
-    case UI_STATE_DRAGGING:
-      title_->SetVisible(false);
-      progress_bar_->SetVisible(false);
-      break;
-    case UI_STATE_DROPPING_IN_FOLDER:
-      break;
-  }
-#if !defined(OS_WIN)
-  ui::ScopedLayerAnimationSettings settings(layer()->GetAnimator());
-  switch (ui_state_) {
-    case UI_STATE_NORMAL:
-      layer()->SetTransform(gfx::Transform());
-      break;
-    case UI_STATE_DRAGGING: {
-      const gfx::Rect bounds(layer()->bounds().size());
-      layer()->SetTransform(gfx::GetScaleTransform(
-          bounds.CenterPoint(),
-          kDraggingIconScale));
-      break;
-    }
-    case UI_STATE_DROPPING_IN_FOLDER:
-      break;
-  }
-#endif  // !OS_WIN
-
-  SchedulePaint();
-}
-
-void AppListItemView::SetTouchDragging(bool touch_dragging) {
-  if (touch_dragging_ == touch_dragging)
-    return;
-
-  touch_dragging_ = touch_dragging;
-  SetUIState(touch_dragging_ ? UI_STATE_DRAGGING : UI_STATE_NORMAL);
-}
-
-void AppListItemView::OnMouseDragTimer() {
-  DCHECK(apps_grid_view_->IsDraggedView(this));
-  SetUIState(UI_STATE_DRAGGING);
-}
-
-void AppListItemView::SetTitleSubpixelAA() {
-  // TODO(tapted): Enable AA for folders as well, taking care to play nice with
-  // the folder bubble animation.
-  bool enable_aa = !is_in_folder_ && ui_state_ == UI_STATE_NORMAL &&
-                   !is_highlighted_ && !apps_grid_view_->IsSelectedView(this) &&
-                   !apps_grid_view_->IsAnimatingView(this);
-
-  bool currently_enabled = title_->background() != NULL;
-  if (currently_enabled == enable_aa)
-    return;
-
-  if (enable_aa) {
-    title_->SetBackgroundColor(app_list::kContentsBackgroundColor);
-    title_->set_background(views::Background::CreateSolidBackground(
-        app_list::kContentsBackgroundColor));
-  } else {
-    // In other cases, keep the background transparent to ensure correct
-    // interactions with animations. This will temporarily disable subpixel AA.
-    title_->SetBackgroundColor(0);
-    title_->set_background(NULL);
-  }
-  title_->Invalidate();
-  title_->SchedulePaint();
-}
-
-void AppListItemView::Prerender() {
-  title_->PaintToBackingImage();
-}
-
-void AppListItemView::CancelContextMenu() {
-  if (context_menu_runner_)
-    context_menu_runner_->Cancel();
-}
-
-gfx::ImageSkia AppListItemView::GetDragImage() {
-  return icon_->GetImage();
-}
-
-void AppListItemView::OnDragEnded() {
-  mouse_drag_timer_.Stop();
-  SetUIState(UI_STATE_NORMAL);
-}
-
-gfx::Point AppListItemView::GetDragImageOffset() {
-  gfx::Point image = icon_->GetImageBounds().origin();
-  return gfx::Point(icon_->x() + image.x(), icon_->y() + image.y());
-}
-
-void AppListItemView::SetAsAttemptedFolderTarget(bool is_target_folder) {
-  if (is_target_folder)
-    SetUIState(UI_STATE_DROPPING_IN_FOLDER);
-  else
-    SetUIState(UI_STATE_NORMAL);
-}
-
-void AppListItemView::SetItemName(const base::string16& display_name,
-                                  const base::string16& full_name) {
-  title_->SetText(display_name);
-  title_->Invalidate();
-
-  title_->SetTooltipText(display_name == full_name ? base::string16()
-                                                   : full_name);
-
-  // Use full name for accessibility.
-  SetAccessibleName(
-      is_folder_ ? l10n_util::GetStringFUTF16(
-                       IDS_APP_LIST_FOLDER_BUTTON_ACCESSIBILE_NAME, full_name)
-                 : full_name);
-  Layout();
-}
-
-void AppListItemView::SetItemIsHighlighted(bool is_highlighted) {
-  is_highlighted_ = is_highlighted;
-  SchedulePaint();
-}
-
-void AppListItemView::SetItemIsInstalling(bool is_installing) {
-  is_installing_ = is_installing;
-  if (ui_state_ == UI_STATE_NORMAL) {
-    title_->SetVisible(!is_installing);
-    progress_bar_->SetVisible(is_installing);
-  }
-  SchedulePaint();
-}
-
-void AppListItemView::SetItemPercentDownloaded(int percent_downloaded) {
-  // A percent_downloaded() of -1 can mean it's not known how much percent is
-  // completed, or the download hasn't been marked complete, as is the case
-  // while an extension is being installed after being downloaded.
-  if (percent_downloaded == -1)
-    return;
-  progress_bar_->SetValue(percent_downloaded / 100.0);
-}
-
-const char* AppListItemView::GetClassName() const {
-  return kViewClassName;
-}
-
-void AppListItemView::Layout() {
-  gfx::Rect rect(GetContentsBounds());
-
-  const int left_right_padding =
-      title_->font_list().GetExpectedTextWidth(kLeftRightPaddingChars);
-  rect.Inset(left_right_padding, kTopPadding, left_right_padding, 0);
-  const int y = rect.y();
-
-  icon_->SetBoundsRect(GetIconBoundsForTargetViewBounds(GetContentsBounds()));
-  const gfx::Size title_size = title_->GetPreferredSize();
-  gfx::Rect title_bounds(rect.x() + (rect.width() - title_size.width()) / 2,
-                         y + kGridIconDimension + kIconTitleSpacing,
-                         title_size.width(),
-                         title_size.height());
-  title_bounds.Intersect(rect);
-  title_->SetBoundsRect(title_bounds);
-
-  gfx::Rect progress_bar_bounds(progress_bar_->GetPreferredSize());
-  progress_bar_bounds.set_x(GetContentsBounds().x() +
-                            kProgressBarHorizontalPadding);
-  progress_bar_bounds.set_y(title_bounds.y());
-  progress_bar_->SetBoundsRect(progress_bar_bounds);
-}
-
-void AppListItemView::SchedulePaintInRect(const gfx::Rect& r) {
-  SetTitleSubpixelAA();
-  views::CustomButton::SchedulePaintInRect(r);
-}
-
-void AppListItemView::OnPaint(gfx::Canvas* canvas) {
-  if (apps_grid_view_->IsDraggedView(this))
-    return;
-
-  gfx::Rect rect(GetContentsBounds());
-  if (is_highlighted_ && !is_installing_) {
-    canvas->FillRect(rect, kHighlightedColor);
-    return;
-  }
-  if (apps_grid_view_->IsSelectedView(this))
-    canvas->FillRect(rect, kSelectedColor);
-
-  if (ui_state_ == UI_STATE_DROPPING_IN_FOLDER) {
-    DCHECK(apps_grid_view_->model()->folders_enabled());
-
-    // Draw folder dropping preview circle.
-    gfx::Point center = gfx::Point(icon_->x() + icon_->size().width() / 2,
-                                   icon_->y() + icon_->size().height() / 2);
-    SkPaint paint;
-    paint.setStyle(SkPaint::kFill_Style);
-    paint.setAntiAlias(true);
-    paint.setColor(kFolderBubbleColor);
-    canvas->DrawCircle(center, kFolderPreviewRadius, paint);
-  }
-}
-
-void AppListItemView::ShowContextMenuForView(views::View* source,
-                                             const gfx::Point& point,
-                                             ui::MenuSourceType source_type) {
-  ui::MenuModel* menu_model =
-      item_weak_ ? item_weak_->GetContextMenuModel() : NULL;
-  if (!menu_model)
-    return;
-
-  context_menu_runner_.reset(
-      new views::MenuRunner(menu_model, views::MenuRunner::HAS_MNEMONICS));
-  if (context_menu_runner_->RunMenuAt(GetWidget(),
-                                      NULL,
-                                      gfx::Rect(point, gfx::Size()),
-                                      views::MENU_ANCHOR_TOPLEFT,
-                                      source_type) ==
-      views::MenuRunner::MENU_DELETED) {
-    return;
-  }
-}
-
-void AppListItemView::StateChanged() {
-  const bool is_folder_ui_enabled = apps_grid_view_->model()->folders_enabled();
-  if (is_folder_ui_enabled)
-    apps_grid_view_->ClearAnySelectedView();
-
-  if (state() == STATE_HOVERED || state() == STATE_PRESSED) {
-    if (!is_folder_ui_enabled)
-      apps_grid_view_->SetSelectedView(this);
-    title_->SetEnabledColor(kGridTitleHoverColor);
-  } else {
-    if (!is_folder_ui_enabled)
-      apps_grid_view_->ClearSelectedView(this);
-    SetItemIsHighlighted(false);
-    if (item_weak_)
-      item_weak_->set_highlighted(false);
-    title_->SetEnabledColor(kGridTitleColor);
-  }
-  title_->Invalidate();
-}
-
-bool AppListItemView::ShouldEnterPushedState(const ui::Event& event) {
-  // Don't enter pushed state for ET_GESTURE_TAP_DOWN so that hover gray
-  // background does not show up during scroll.
-  if (event.type() == ui::ET_GESTURE_TAP_DOWN)
-    return false;
-
-  return views::CustomButton::ShouldEnterPushedState(event);
-}
-
-bool AppListItemView::OnMousePressed(const ui::MouseEvent& event) {
-  CustomButton::OnMousePressed(event);
-
-  if (!ShouldEnterPushedState(event))
-    return true;
-
-  apps_grid_view_->InitiateDrag(this, AppsGridView::MOUSE, event);
-
-  if (apps_grid_view_->IsDraggedView(this)) {
-    mouse_drag_timer_.Start(FROM_HERE,
-        base::TimeDelta::FromMilliseconds(kMouseDragUIDelayInMs),
-        this, &AppListItemView::OnMouseDragTimer);
-  }
-  return true;
-}
-
-bool AppListItemView::OnKeyPressed(const ui::KeyEvent& event) {
-  // Disable space key to press the button. The keyboard events received
-  // by this view are forwarded from a Textfield (SearchBoxView) and key
-  // released events are not forwarded. This leaves the button in pressed
-  // state.
-  if (event.key_code() == ui::VKEY_SPACE)
-    return false;
-
-  return CustomButton::OnKeyPressed(event);
-}
-
-void AppListItemView::OnMouseReleased(const ui::MouseEvent& event) {
-  CustomButton::OnMouseReleased(event);
-  apps_grid_view_->EndDrag(false);
-}
-
-void AppListItemView::OnMouseCaptureLost() {
-  // We don't cancel the dag on mouse capture lost for windows as entering a
-  // synchronous drag causes mouse capture to be lost and pressing escape
-  // dismisses the app list anyway.
-#if !defined(OS_WIN)
-  CustomButton::OnMouseCaptureLost();
-  apps_grid_view_->EndDrag(true);
-#endif
-}
-
-bool AppListItemView::OnMouseDragged(const ui::MouseEvent& event) {
-  CustomButton::OnMouseDragged(event);
-  if (apps_grid_view_->IsDraggedView(this)) {
-    // If the drag is no longer happening, it could be because this item
-    // got removed, in which case this item has been destroyed. So, bail out
-    // now as there will be nothing else to do anyway as
-    // apps_grid_view_->dragging() will be false.
-    if (!apps_grid_view_->UpdateDragFromItem(AppsGridView::MOUSE, event))
-      return true;
-  }
-
-  // Shows dragging UI when it's confirmed without waiting for the timer.
-  if (ui_state_ != UI_STATE_DRAGGING &&
-      apps_grid_view_->dragging() &&
-      apps_grid_view_->IsDraggedView(this)) {
-    mouse_drag_timer_.Stop();
-    SetUIState(UI_STATE_DRAGGING);
-  }
-  return true;
-}
-
-void AppListItemView::OnGestureEvent(ui::GestureEvent* event) {
-  switch (event->type()) {
-    case ui::ET_GESTURE_SCROLL_BEGIN:
-      if (touch_dragging_) {
-        apps_grid_view_->InitiateDrag(this, AppsGridView::TOUCH, *event);
-        event->SetHandled();
-      }
-      break;
-    case ui::ET_GESTURE_SCROLL_UPDATE:
-      if (touch_dragging_ && apps_grid_view_->IsDraggedView(this)) {
-        apps_grid_view_->UpdateDragFromItem(AppsGridView::TOUCH, *event);
-        event->SetHandled();
-      }
-      break;
-    case ui::ET_GESTURE_SCROLL_END:
-    case ui::ET_SCROLL_FLING_START:
-      if (touch_dragging_) {
-        SetTouchDragging(false);
-        apps_grid_view_->EndDrag(false);
-        event->SetHandled();
-      }
-      break;
-    case ui::ET_GESTURE_LONG_PRESS:
-      if (!apps_grid_view_->has_dragged_view())
-        SetTouchDragging(true);
-      event->SetHandled();
-      break;
-    case ui::ET_GESTURE_LONG_TAP:
-    case ui::ET_GESTURE_END:
-      if (touch_dragging_)
-        SetTouchDragging(false);
-      break;
-    default:
-      break;
-  }
-  if (!event->handled())
-    CustomButton::OnGestureEvent(event);
-}
-
-void AppListItemView::OnSyncDragEnd() {
-  SetUIState(UI_STATE_NORMAL);
-}
-
-const gfx::Rect& AppListItemView::GetIconBounds() const {
-  return icon_->bounds();
-}
-
-void AppListItemView::SetDragUIState() {
-  SetUIState(UI_STATE_DRAGGING);
-}
-
-gfx::Rect AppListItemView::GetIconBoundsForTargetViewBounds(
-    const gfx::Rect& target_bounds) {
-  gfx::Rect rect(target_bounds);
-
-  const int left_right_padding =
-      title_->font_list().GetExpectedTextWidth(kLeftRightPaddingChars);
-  rect.Inset(left_right_padding, kTopPadding, left_right_padding, 0);
-
-  gfx::Rect icon_bounds(rect.x(), rect.y(), rect.width(), kGridIconDimension);
-  icon_bounds.Inset(gfx::ShadowValue::GetMargin(GetIconShadows()));
-  return icon_bounds;
-}
-
-void AppListItemView::ItemIconChanged() {
-  SetIcon(item_weak_->icon(), item_weak_->has_shadow());
-}
-
-void AppListItemView::ItemNameChanged() {
-  SetItemName(base::UTF8ToUTF16(item_weak_->GetDisplayName()),
-              base::UTF8ToUTF16(item_weak_->name()));
-}
-
-void AppListItemView::ItemIsInstallingChanged() {
-  SetItemIsInstalling(item_weak_->is_installing());
-}
-
-void AppListItemView::ItemPercentDownloadedChanged() {
-  SetItemPercentDownloaded(item_weak_->percent_downloaded());
-}
-
-void AppListItemView::ItemBeingDestroyed() {
-  DCHECK(item_weak_);
-  item_weak_->RemoveObserver(this);
-  item_weak_ = NULL;
-}
-
-}  // namespace app_list