Move app list from ash to ui.

ash/app_list/drop_shadow_label.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 "ash/app_list/drop_shadow_label.h"
-
-#include "base/utf_string_conversions.h"
-#include "third_party/skia/include/effects/SkGradientShader.h"
-#include "ui/gfx/canvas.h"
-#include "ui/gfx/color_utils.h"
-#include "ui/gfx/insets.h"
-#include "ui/gfx/skbitmap_operations.h"
-
-using views::Label;
-
-namespace ash {
-
-DropShadowLabel::DropShadowLabel() {
-}
-
-DropShadowLabel::~DropShadowLabel() {
-}
-
-void DropShadowLabel::SetTextShadows(int shadow_count,
-                                     const gfx::ShadowValue* shadows) {
-  text_shadows_.clear();
-
-  if (shadow_count && shadows) {
-    for (int i = 0; i < shadow_count; ++i)
-      text_shadows_.push_back(shadows[i]);
-  }
-}
-
-gfx::Insets DropShadowLabel::GetInsets() const {
-  gfx::Insets insets = views::Label::GetInsets();
-  gfx::Insets shadow_margin = gfx::ShadowValue::GetMargin(text_shadows_);
-  // Negate |shadow_margin| to convert it to a padding insets needed inside
-  // the bounds and combine with label's insets.
-  insets += -shadow_margin;
-  return insets;
-}
-
-void DropShadowLabel::PaintText(gfx::Canvas* canvas,
-                                const string16& text,
-                                const gfx::Rect& text_bounds,
-                                int flags) {
-  SkColor text_color = enabled() ? enabled_color() : disabled_color();
-  canvas->DrawStringWithShadows(text,
-                                font(),
-                                text_color,
-                                text_bounds,
-                                flags,
-                                text_shadows_);
-
-  if (HasFocus() || paint_as_focused()) {
-    gfx::Rect focus_bounds = text_bounds;
-    focus_bounds.Inset(-Label::kFocusBorderPadding,
-                       -Label::kFocusBorderPadding);
-    canvas->DrawFocusRect(focus_bounds);
-  }
-}
-
-}  // namespace ash