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Unified Diff: ui/views/animation/ink_drop_painted_layer_delegates.h

Issue 1390113006: Added material design mouse hover feedback support. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Created 5 years, 2 months ago
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Index: ui/views/animation/ink_drop_painted_layer_delegates.h
diff --git a/ui/views/animation/ink_drop_painted_layer_delegates.h b/ui/views/animation/ink_drop_painted_layer_delegates.h
new file mode 100644
index 0000000000000000000000000000000000000000..b0910242df87c4c9af0c2b9e46edcf69335b35cd
--- /dev/null
+++ b/ui/views/animation/ink_drop_painted_layer_delegates.h
@@ -0,0 +1,103 @@
+// 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.
+#ifndef UI_VIEWS_ANIMATION_INK_DROP_PAINTED_LAYER_DELEGATES_H_
+#define UI_VIEWS_ANIMATION_INK_DROP_PAINTED_LAYER_DELEGATES_H_
+
+#include "base/callback.h"
+#include "base/macros.h"
+#include "third_party/skia/include/core/SkColor.h"
+#include "ui/compositor/layer_delegate.h"
+#include "ui/gfx/geometry/rect.h"
+#include "ui/gfx/geometry/size.h"
+
+namespace views {
+
+// Base ui::LayerDelegate stub that can be extended to paint shapes of a
+// specific color.
+class BasePaintedLayerDelegate : public ui::LayerDelegate {
+ public:
+ ~BasePaintedLayerDelegate() override;
+
+ SkColor color() const { return color_; }
+
+ // ui::LayerDelegate:
+ void OnDelegatedFrameDamage(const gfx::Rect& damage_rect_in_dip) override;
+ void OnDeviceScaleFactorChanged(float device_scale_factor) override;
+ base::Closure PrepareForLayerBoundsChange() override;
+
+ protected:
+ explicit BasePaintedLayerDelegate(SkColor color);
+
+ private:
+ // The color to paint.
+ SkColor color_;
+
+ DISALLOW_COPY_AND_ASSIGN(BasePaintedLayerDelegate);
+};
+
+// A BasePaintedLayerDelegate that paints a circle of a specified color and
+// radius.
+class CircleLayerDelegate : public BasePaintedLayerDelegate {
+ public:
+ CircleLayerDelegate(SkColor color, int radius);
+ ~CircleLayerDelegate() override;
+
+ int radius() const { return radius_; }
+
+ // ui::LayerDelegate:
+ void OnPaintLayer(const ui::PaintContext& context) override;
+
+ private:
+ // The radius of the circle.
+ int radius_;
+
+ DISALLOW_COPY_AND_ASSIGN(CircleLayerDelegate);
+};
+
+// A BasePaintedLayerDelegate that paints a rectangle of a specified color and
+// size.
+class RectangleLayerDelegate : public BasePaintedLayerDelegate {
+ public:
+ RectangleLayerDelegate(SkColor color, gfx::Size size);
+ ~RectangleLayerDelegate() override;
+
+ const gfx::Size& size() const { return size_; }
+
+ // ui::LayerDelegate:
+ void OnPaintLayer(const ui::PaintContext& context) override;
+
+ private:
+ // The size of the rectangle.
+ gfx::Size size_;
+
+ DISALLOW_COPY_AND_ASSIGN(RectangleLayerDelegate);
+};
+
+// A BasePaintedLayerDelegate that paints a rounded rectangle of a specified
+// color, size and corner radius.
+class RoundedRectangleLayerDelegate : public BasePaintedLayerDelegate {
+ public:
+ RoundedRectangleLayerDelegate(SkColor color,
+ gfx::Size size,
+ int corner_radius);
+ ~RoundedRectangleLayerDelegate() override;
+
+ const gfx::Size& size() const { return size_; }
+
+ // ui::LayerDelegate:
+ void OnPaintLayer(const ui::PaintContext& context) override;
+
+ private:
+ // The size of the rectangle.
+ gfx::Size size_;
+
+ // The radius of the corners.
+ int corner_radius_;
+
+ DISALLOW_COPY_AND_ASSIGN(RoundedRectangleLayerDelegate);
+};
+
+} // namespace views
+
+#endif // UI_VIEWS_ANIMATION_INK_DROP_PAINTED_LAYER_DELEGATES_H_

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