blob: c54bb45984acfd8d36ff55fd9889809cebc0d98a [file] [log] [blame]
// 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 "ash/ash_export.h"
#include "ash/frame/frame_header.h"
#include "base/callback.h"
#include "base/macros.h"
#include "ui/gfx/image/image_skia.h"
namespace ash {
// Helper class for drawing a custom frame (such as for a themed Chrome Browser
// frame).
class ASH_EXPORT CustomFrameHeader : public FrameHeader {
class AppearanceProvider {
virtual ~AppearanceProvider() = default;
virtual SkColor GetTitleColor() = 0;
virtual SkColor GetFrameHeaderColor(bool active) = 0;
virtual gfx::ImageSkia GetFrameHeaderImage(bool active) = 0;
virtual gfx::ImageSkia GetFrameHeaderOverlayImage(bool active) = 0;
virtual bool IsTabletMode() const = 0;
// BrowserFrameHeaderAsh does not take ownership of any of the parameters.
// |target_widget| is the widget that the caption buttons act on.
// |view| is the view into which |this| will paint. |back_button| can be
// nullptr, and the frame will not have a back button.
CustomFrameHeader(views::Widget* target_widget,
views::View* view,
AppearanceProvider* appearance_provider,
FrameCaptionButtonContainerView* caption_button_container);
~CustomFrameHeader() override;
// FrameHeader:
void DoPaintHeader(gfx::Canvas* canvas) override;
void DoSetFrameColors(SkColor active_frame_color,
SkColor inactive_frame_color) override;
AshLayoutSize GetButtonLayoutSize() const override;
SkColor GetTitleColor() const override;
SkColor GetCurrentFrameColor() const override;
// Paints the frame image for the |active| state based on the current value of
// the activation animation.
void PaintFrameImages(gfx::Canvas* canvas, bool active);
AppearanceProvider* appearance_provider_ = nullptr;
} // namespace ash