Revert 115515 - [Aura] Implement views-based applist.

ui/aura_shell/app_list/drop_shadow_label.cc

Index: ui/aura_shell/app_list/drop_shadow_label.cc
===================================================================
--- ui/aura_shell/app_list/drop_shadow_label.cc	(revision 115517)
+++ ui/aura_shell/app_list/drop_shadow_label.cc	(working copy)
@@ -1,118 +0,0 @@
-// 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 "ui/aura_shell/app_list/drop_shadow_label.h"
-
-#include "base/utf_string_conversions.h"
-#include "third_party/skia/include/effects/SkGradientShader.h"
-#include "ui/gfx/canvas_skia.h"
-#include "ui/gfx/color_utils.h"
-#include "ui/gfx/skbitmap_operations.h"
-
-using views::Label;
-
-namespace aura_shell {
-
-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) {
-    // To properly render shadow with elliding fade effect, text and shadow
-    // is rendered to this canvas first with elliding disable so that underlying
-    // code would not mix shadow color into text area because of elliding fade.
-    // When that is done and if we need elliding fade, an alpha mask is applied
-    // when transfering contents on this canvas to target canvas.
-    gfx::Size canvas_size(text_bounds.width() + drop_shadow_size_,
-                          text_bounds.height() + drop_shadow_size_);
-    gfx::CanvasSkia text_canvas(canvas_size, false);
-
-    const double kShadowOpacity = 0.2;
-    const SkColor shadow_color =
-        SkColorSetA(SK_ColorBLACK, kShadowOpacity * SkColorGetA(text_color));
-    gfx::Size text_size = GetTextSize();
-    for (int i = 0; i < drop_shadow_size_; i++) {
-      text_canvas.DrawStringInt(text, font(), shadow_color, i, 0,
-                                text_size.width(), text_size.height(),
-                                flags | gfx::Canvas::NO_ELLIPSIS);
-      text_canvas.DrawStringInt(text, font(), shadow_color, i, i,
-                                text_size.width(), text_size.height(),
-                                flags | gfx::Canvas::NO_ELLIPSIS);
-      text_canvas.DrawStringInt(text, font(), shadow_color, 0, i,
-                                text_size.width(), text_size.height(),
-                                flags | gfx::Canvas::NO_ELLIPSIS);
-    }
-    text_canvas.DrawStringInt(text, font(), text_color, 0, 0,
-                              text_size.width(), text_size.height(),
-                              flags | gfx::Canvas::NO_ELLIPSIS);
-
-    const SkBitmap& text_bitmap = const_cast<SkBitmap&>(
-        skia::GetTopDevice(*text_canvas.sk_canvas())->accessBitmap(false));
-
-    if (text_size.width() > text_bounds.width() &&
-        !(flags & gfx::Canvas::NO_ELLIPSIS)) {
-      // Apply an gradient alpha mask for elliding fade effect.
-      const double kFadeWidthFactor = 1.5;
-      int fade_width = std::min(text_size.width() / 2,
-          static_cast<int>(text_size.height() * kFadeWidthFactor));
-
-      const SkColor kColors[] = { SK_ColorWHITE, 0 };
-      const SkScalar kPoints[] = { SkIntToScalar(0), SkIntToScalar(1) };
-      SkPoint p[2];
-      p[0].set(SkIntToScalar(text_bounds.width() - fade_width),
-               SkIntToScalar(0));
-      p[1].set(SkIntToScalar(text_bounds.width()),
-               SkIntToScalar(0));
-      SkShader* s = SkGradientShader::CreateLinear(
-          p, kColors, kPoints, 2, SkShader::kClamp_TileMode, NULL);
-
-      SkPaint paint;
-      paint.setShader(s)->unref();
-
-      gfx::CanvasSkia alpha_canvas(canvas_size, false);
-      alpha_canvas.DrawRect(gfx::Rect(canvas_size), paint);
-
-      const SkBitmap& alpha_bitmap = const_cast<SkBitmap&>(
-          skia::GetTopDevice(*alpha_canvas.sk_canvas())->accessBitmap(false));
-      SkBitmap blended = SkBitmapOperations::CreateMaskedBitmap(text_bitmap,
-          alpha_bitmap);
-      canvas->DrawBitmapInt(blended, text_bounds.x(), text_bounds.y());
-    } else {
-      canvas->DrawBitmapInt(text_bitmap, text_bounds.x(), text_bounds.y());
-    }
-  } else {
-    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 aura_shell