app_list: Moved FolderImageSource into folder_image.cc.

ui/app_list/folder_image_source.cc

-// Copyright 2014 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/folder_image_source.h"
-
-#include "ui/app_list/app_list_constants.h"
-#include "ui/gfx/canvas.h"
-#include "ui/gfx/geometry/point.h"
-#include "ui/gfx/geometry/rect.h"
-#include "ui/gfx/geometry/size.h"
-#include "ui/gfx/image/image_skia.h"
-#include "ui/gfx/image/image_skia_operations.h"
-
-namespace {
-
-const int kItemIconDimension = 16;
-
-}  // namespace
-
-namespace app_list {
-
-FolderImageSource::FolderImageSource(const Icons& icons, const gfx::Size& size)
-    : gfx::CanvasImageSource(size, false), icons_(icons), size_(size) {
-  DCHECK(icons.size() <= kNumFolderTopItems);
-}
-
-FolderImageSource::~FolderImageSource() {
-}
-
-// static
-gfx::Size FolderImageSource::ItemIconSize() {
-  return gfx::Size(kItemIconDimension, kItemIconDimension);
-}
-
-// static
-std::vector<gfx::Rect> FolderImageSource::GetTopIconsBounds(
-    const gfx::Rect& folder_icon_bounds) {
-  const int delta_to_center = 1;
-  gfx::Point icon_center = folder_icon_bounds.CenterPoint();
-  std::vector<gfx::Rect> top_icon_bounds;
-
-  // Get the top left icon bounds.
-  int left_x = icon_center.x() - kItemIconDimension - delta_to_center;
-  int top_y = icon_center.y() - kItemIconDimension - delta_to_center;
-  gfx::Rect top_left(left_x, top_y, kItemIconDimension, kItemIconDimension);
-  top_icon_bounds.push_back(top_left);
-
-  // Get the top right icon bounds.
-  int right_x = icon_center.x() + delta_to_center;
-  gfx::Rect top_right(right_x, top_y, kItemIconDimension, kItemIconDimension);
-  top_icon_bounds.push_back(top_right);
-
-  // Get the bottom left icon bounds.
-  int bottom_y = icon_center.y() + delta_to_center;
-  gfx::Rect bottom_left(
-      left_x, bottom_y, kItemIconDimension, kItemIconDimension);
-  top_icon_bounds.push_back(bottom_left);
-
-  // Get the bottom right icon bounds.
-  gfx::Rect bottom_right(
-      right_x, bottom_y, kItemIconDimension, kItemIconDimension);
-  top_icon_bounds.push_back(bottom_right);
-
-  return top_icon_bounds;
-}
-
-void FolderImageSource::DrawIcon(gfx::Canvas* canvas,
-                                 const gfx::ImageSkia& icon,
-                                 const gfx::Size icon_size,
-                                 int x,
-                                 int y) {
-  if (icon.isNull())
-    return;
-
-  gfx::ImageSkia resized(gfx::ImageSkiaOperations::CreateResizedImage(
-      icon, skia::ImageOperations::RESIZE_BEST, icon_size));
-  canvas->DrawImageInt(resized,
-                       0,
-                       0,
-                       resized.width(),
-                       resized.height(),
-                       x,
-                       y,
-                       resized.width(),
-                       resized.height(),
-                       true);
-}
-
-void FolderImageSource::Draw(gfx::Canvas* canvas) {
-  // Draw circle for folder shadow.
-  gfx::PointF shadow_center(size().width() / 2, size().height() / 2);
-  SkPaint paint;
-  paint.setStyle(SkPaint::kFill_Style);
-  paint.setAntiAlias(true);
-  paint.setColor(kFolderShadowColor);
-  canvas->sk_canvas()->drawCircle(
-      shadow_center.x(), shadow_center.y(), kFolderShadowRadius, paint);
-  // Draw circle for folder bubble.
-  gfx::PointF bubble_center(shadow_center);
-  bubble_center.Offset(0, -kFolderShadowOffsetY);
-  paint.setColor(kFolderBubbleColor);
-  canvas->sk_canvas()->drawCircle(
-      bubble_center.x(), bubble_center.y(), kFolderBubbleRadius, paint);
-
-  if (icons_.size() == 0)
-    return;
-
-  // Draw top items' icons.
-  const gfx::Size item_icon_size(ItemIconSize());
-  std::vector<gfx::Rect> top_icon_bounds = GetTopIconsBounds(gfx::Rect(size()));
-
-  for (size_t i = 0; i < kNumFolderTopItems && i < icons_.size(); ++i) {
-    DrawIcon(canvas,
-             icons_[i],
-             item_icon_size,
-             top_icon_bounds[i].x(),
-             top_icon_bounds[i].y());
-  }
-}
-
-}  // namespace app_list