Added material design mouse hover feedback support.

ui/views/animation/ink_drop_painted_layer_delegates.cc

+// Copyright 2015 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/views/animation/ink_drop_painted_layer_delegates.h"
+
+#include "third_party/skia/include/core/SkPaint.h"
+#include "ui/compositor/paint_recorder.h"
+#include "ui/gfx/geometry/point.h"
+
+namespace views {
+
+////////////////////////////////////////////////////////////////////////////////
+//
+// BasePaintedLayerDelegate
+//
+
+BasePaintedLayerDelegate::BasePaintedLayerDelegate(SkColor color)
+    : color_(color) {}
+
+BasePaintedLayerDelegate::~BasePaintedLayerDelegate() {}
+
+void BasePaintedLayerDelegate::OnDelegatedFrameDamage(
+    const gfx::Rect& damage_rect_in_dip) {}
+
+void BasePaintedLayerDelegate::OnDeviceScaleFactorChanged(
+    float device_scale_factor) {}
+
+base::Closure BasePaintedLayerDelegate::PrepareForLayerBoundsChange() {
+  return base::Closure();
+}
+
+////////////////////////////////////////////////////////////////////////////////
+//
+// CircleLayerDelegate
+//
+
+CircleLayerDelegate::CircleLayerDelegate(SkColor color, int radius)
+    : BasePaintedLayerDelegate(color), radius_(radius) {}
+
+CircleLayerDelegate::~CircleLayerDelegate() {}
+
+void CircleLayerDelegate::OnPaintLayer(const ui::PaintContext& context) {
+  SkPaint paint;
+  paint.setColor(color());
+  paint.setFlags(SkPaint::kAntiAlias_Flag);
+  paint.setStyle(SkPaint::kFill_Style);
+
+  ui::PaintRecorder recorder(context, gfx::Size(radius_, radius_));
+  gfx::Canvas* canvas = recorder.canvas();
+
+  gfx::Point center_point = gfx::Point(radius_, radius_);
+  canvas->DrawCircle(center_point, radius_, paint);
+}
+
+////////////////////////////////////////////////////////////////////////////////
+//
+// RectangleLayerDelegate
+//
+
+RectangleLayerDelegate::RectangleLayerDelegate(SkColor color, gfx::Size size)
+    : BasePaintedLayerDelegate(color), size_(size) {}
+
+RectangleLayerDelegate::~RectangleLayerDelegate() {}
+
+void RectangleLayerDelegate::OnPaintLayer(const ui::PaintContext& context) {
+  SkPaint paint;
+  paint.setColor(color());
+  paint.setFlags(SkPaint::kAntiAlias_Flag);
+  paint.setStyle(SkPaint::kFill_Style);
+
+  ui::PaintRecorder recorder(context, size_);
+  gfx::Canvas* canvas = recorder.canvas();
+  canvas->DrawRect(gfx::Rect(size_), paint);
+}
+
+////////////////////////////////////////////////////////////////////////////////
+//
+// RoundedRectangleLayerDelegate
+//
+
+RoundedRectangleLayerDelegate::RoundedRectangleLayerDelegate(SkColor color,
+                                                             gfx::Size size,
+                                                             int corner_radius)
+    : BasePaintedLayerDelegate(color),
+      size_(size),
+      corner_radius_(corner_radius) {}
+
+RoundedRectangleLayerDelegate::~RoundedRectangleLayerDelegate() {}
+
+void RoundedRectangleLayerDelegate::OnPaintLayer(
+    const ui::PaintContext& context) {
+  SkPaint paint;
+  paint.setColor(color());
+  paint.setFlags(SkPaint::kAntiAlias_Flag);
+  paint.setStyle(SkPaint::kFill_Style);
+
+  ui::PaintRecorder recorder(context, size_);
+  gfx::Canvas* canvas = recorder.canvas();
+  canvas->DrawRoundRect(gfx::Rect(size_), corner_radius_, paint);
+}
+
+}  // namespace views