[Aura] Implement views-based applist.

chrome/browser/chromeos/drop_shadow_label.cc

-// Copyright (c) 2011 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/drop_shadow_label.h"
-
-#include "base/utf_string_conversions.h"
-#include "ui/gfx/canvas.h"
-#include "ui/gfx/color_utils.h"
-
-using views::Label;
-
-namespace chromeos {
-
-static const int kDefaultDropShadowSize = 2;
-
-DropShadowLabel::DropShadowLabel() : drop_shadow_size_(kDefaultDropShadowSize) {
-}
-
-void DropShadowLabel::SetDropShadowSize(int drop_shadow_size) {
-  if (drop_shadow_size != drop_shadow_size_) {
-    drop_shadow_size_ = drop_shadow_size;
-    invalidate_text_size();
-    SchedulePaint();
-  }
-}
-
-void DropShadowLabel::PaintText(gfx::Canvas* canvas,
-                                const string16& text,
-                                const gfx::Rect& text_bounds,
-                                int flags) {
-  SkColor text_color = enabled() ? enabled_color() : disabled_color();
-  if (drop_shadow_size_ > 0) {
-    const float kShadowOpacity = 0.2;
-    const SkColor shadow_color =
-        SkColorSetA(SK_ColorBLACK, kShadowOpacity * SkColorGetA(text_color));
-    for (int i = 0; i < drop_shadow_size_; i++) {
-      canvas->DrawStringInt(text, font(), shadow_color,
-                            text_bounds.x() + i, text_bounds.y(),
-                            text_bounds.width(), text_bounds.height(), flags);
-      canvas->DrawStringInt(text, font(), shadow_color,
-                            text_bounds.x() + i, text_bounds.y() + i,
-                            text_bounds.width(), text_bounds.height(), flags);
-      canvas->DrawStringInt(text, font(), shadow_color,
-                            text_bounds.x(), text_bounds.y() + i,
-                            text_bounds.width(), text_bounds.height(), flags);
-    }
-  }
-
-  canvas->DrawStringInt(text, font(), text_color, text_bounds.x(),
-      text_bounds.y(), text_bounds.width(), text_bounds.height(), flags);
-
-  if (HasFocus() || paint_as_focused()) {
-    gfx::Rect focus_bounds = text_bounds;
-    focus_bounds.Inset(-Label::kFocusBorderPadding,
-                       -Label::kFocusBorderPadding);
-    canvas->DrawFocusRect(focus_bounds);
-  }
-}
-
-gfx::Size DropShadowLabel::GetTextSize() const {
-  gfx::Size text_size = Label::GetTextSize();
-  text_size.SetSize(text_size.width() + drop_shadow_size_,
-                    text_size.height() + drop_shadow_size_);
-  return text_size;
-}
-
-}  // namespace chromeos