Move app list from ash to ui.

ash/app_list/app_list_bubble_border.cc

Index: ash/app_list/app_list_bubble_border.cc
===================================================================
--- ash/app_list/app_list_bubble_border.cc	(revision 135932)
+++ ash/app_list/app_list_bubble_border.cc	(working copy)
@@ -1,213 +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 "ash/app_list/app_list_bubble_border.h"
-
-#include "third_party/skia/include/core/SkPath.h"
-#include "third_party/skia/include/core/SkPaint.h"
-#include "third_party/skia/include/effects/SkBlurDrawLooper.h"
-#include "third_party/skia/include/effects/SkGradientShader.h"
-#include "ui/gfx/canvas.h"
-
-namespace {
-
-const int kCornerRadius = 3;
-
-const int kArrowHeight = 10;
-const int kArrowWidth = 20;
-
-const SkColor kBorderColor = SkColorSetARGB(0xFF, 0, 0, 0);
-const int kBorderSize = 1;
-
-const SkColor kShadowColor = SkColorSetARGB(0xFF, 0, 0, 0);
-const int kShadowRadius = 4;
-
-const SkColor kModelViewGradientColor1 = SkColorSetARGB(0xFF, 0xFE, 0xFE, 0xFE);
-const SkColor kModelViewGradientColor2 = SkColorSetARGB(0xFF, 0xF8, 0xF8, 0xF8);
-const int kModelViewGradientSize = 10;
-
-const SkColor kFooterBorderGradientColor1 =
-    SkColorSetARGB(0xFF, 0xA0, 0xA0, 0xA0);
-const SkColor kFooterBorderGradientColor2 =
-    SkColorSetARGB(0xFF, 0xD4, 0xD4, 0xD4);
-const int kFooterBorderSize = 3;
-const SkColor kFooterBackground = SkColorSetARGB(0xFF, 0xDC, 0xDC, 0xDC);
-
-// TODO(xiyuan): Merge this with the one in skia_util.
-SkShader* CreateVerticalGradientShader(int start_point,
-                                       int end_point,
-                                       SkColor start_color,
-                                       SkColor end_color,
-                                       SkShader::TileMode mode) {
-  SkColor grad_colors[2] = { start_color, end_color};
-  SkPoint grad_points[2];
-  grad_points[0].iset(0, start_point);
-  grad_points[1].iset(0, end_point);
-
-  return SkGradientShader::CreateLinear(grad_points,
-                                        grad_colors,
-                                        NULL,
-                                        2,
-                                        mode);
-}
-
-// Builds a bubble shape for given |bounds|.
-void BuildShape(const gfx::Rect& bounds,
-                SkScalar padding,
-                SkScalar arrow_offset,
-                SkPath* path) {
-  const SkScalar left = SkIntToScalar(bounds.x()) + padding;
-  const SkScalar top = SkIntToScalar(bounds.y()) + padding;
-  const SkScalar right = SkIntToScalar(bounds.right()) - padding;
-  const SkScalar bottom = SkIntToScalar(bounds.bottom()) - padding;
-
-  const SkScalar center_x = SkIntToScalar((bounds.x() + bounds.right()) / 2);
-  const SkScalar center_y = SkIntToScalar((bounds.y() + bounds.bottom()) / 2);
-
-  const SkScalar half_array_width = SkIntToScalar(kArrowWidth / 2);
-  const SkScalar arrow_height = SkIntToScalar(kArrowHeight) - padding;
-
-  path->reset();
-  path->incReserve(12);
-
-  path->moveTo(center_x, top);
-  path->arcTo(left, top, left, center_y, SkIntToScalar(kCornerRadius));
-  path->arcTo(left, bottom, center_x  - half_array_width, bottom,
-              SkIntToScalar(kCornerRadius));
-  path->lineTo(center_x + arrow_offset - half_array_width, bottom);
-  path->lineTo(center_x + arrow_offset, bottom + arrow_height);
-  path->lineTo(center_x + arrow_offset + half_array_width, bottom);
-  path->arcTo(right, bottom, right, center_y, SkIntToScalar(kCornerRadius));
-  path->arcTo(right, top, center_x, top, SkIntToScalar(kCornerRadius));
-  path->close();
-}
-
-}  // namespace
-
-namespace ash {
-
-AppListBubbleBorder::AppListBubbleBorder(views::View* app_list_view)
-    : views::BubbleBorder(views::BubbleBorder::BOTTOM_RIGHT,
-                          views::BubbleBorder::NO_SHADOW),
-      app_list_view_(app_list_view),
-      arrow_offset_(0) {
-}
-
-AppListBubbleBorder::~AppListBubbleBorder() {
-}
-
-void AppListBubbleBorder::PaintModelViewBackground(
-    gfx::Canvas* canvas,
-    const gfx::Rect& bounds) const {
-  const views::View* page_switcher = app_list_view_->child_at(1);
-  const gfx::Rect page_switcher_bounds =
-      app_list_view_->ConvertRectToWidget(page_switcher->bounds());
-  gfx::Rect rect(bounds.x(),
-                 bounds.y(),
-                 bounds.width(),
-                 page_switcher_bounds.y() - bounds.y());
-
-  SkPaint paint;
-  paint.setStyle(SkPaint::kFill_Style);
-  SkSafeUnref(paint.setShader(CreateVerticalGradientShader(
-      rect.y(),
-      rect.y() + kModelViewGradientSize,
-      kModelViewGradientColor1,
-      kModelViewGradientColor2,
-      SkShader::kClamp_TileMode)));
-  canvas->DrawRect(rect, paint);
-}
-
-void AppListBubbleBorder::PaintPageSwitcherBackground(
-    gfx::Canvas* canvas,
-    const gfx::Rect& bounds) const {
-  const views::View* page_switcher = app_list_view_->child_at(1);
-  const gfx::Rect page_switcher_bounds =
-      app_list_view_->ConvertRectToWidget(page_switcher->bounds());
-
-  gfx::Rect rect(bounds.x(),
-                 page_switcher_bounds.y(),
-                 bounds.width(),
-                 kFooterBorderSize);
-  SkPaint paint;
-  paint.setStyle(SkPaint::kFill_Style);
-  SkSafeUnref(paint.setShader(CreateVerticalGradientShader(
-      rect.y(),
-      rect.bottom(),
-      kFooterBorderGradientColor1,
-      kFooterBorderGradientColor2,
-      SkShader::kClamp_TileMode)));
-  canvas->DrawRect(rect, paint);
-
-  rect.set_y(rect.bottom());
-  rect.set_height(bounds.bottom() - rect.y() + kArrowHeight - kBorderSize);
-  canvas->FillRect(rect, kFooterBackground);
-}
-
-void AppListBubbleBorder::GetInsets(gfx::Insets* insets) const {
-  insets->Set(kShadowRadius + kBorderSize,
-              kShadowRadius + kBorderSize,
-              kShadowRadius + kBorderSize + kArrowHeight,
-              kShadowRadius + kBorderSize);
-}
-
-gfx::Rect AppListBubbleBorder::GetBounds(
-    const gfx::Rect& position_relative_to,
-    const gfx::Size& contents_size) const {
-  gfx::Size border_size(contents_size);
-  gfx::Insets insets;
-  GetInsets(&insets);
-  border_size.Enlarge(insets.width(), insets.height());
-
-  int anchor_x = (position_relative_to.x() + position_relative_to.right()) / 2;
-  int arrow_tip_x = border_size.width() / 2 + arrow_offset_;
-
-  return gfx::Rect(
-      gfx::Point(anchor_x - arrow_tip_x,
-                 position_relative_to.y() - border_size.height() +
-                     kShadowRadius),
-      border_size);
-}
-
-void AppListBubbleBorder::Paint(const views::View& view,
-                                gfx::Canvas* canvas) const {
-  gfx::Insets insets;
-  GetInsets(&insets);
-
-  gfx::Rect bounds = view.bounds();
-  bounds.Inset(insets);
-
-  SkPath path;
-
-  SkPaint paint;
-  paint.setAntiAlias(true);
-  paint.setStyle(SkPaint::kStroke_Style);
-  paint.setColor(kBorderColor);
-  SkSafeUnref(paint.setLooper(
-      new SkBlurDrawLooper(kShadowRadius,
-                           0, 0,
-                           kShadowColor,
-                           SkBlurDrawLooper::kHighQuality_BlurFlag)));
-  // Pads with 0.5 pixel since anti alias is used.
-  BuildShape(bounds,
-             SkDoubleToScalar(0.5),
-             SkIntToScalar(arrow_offset_),
-             &path);
-  canvas->DrawPath(path, paint);
-
-  // Pads with kBoprderSize pixels to leave space for border lines.
-  BuildShape(bounds,
-             SkIntToScalar(kBorderSize),
-             SkIntToScalar(arrow_offset_),
-             &path);
-  canvas->Save();
-  canvas->ClipPath(path);
-
-  PaintModelViewBackground(canvas, bounds);
-  PaintPageSwitcherBackground(canvas, bounds);
-
-  canvas->Restore();
-}
-
-}  // namespace ash