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// Copyright 2023 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_UI_VIEWS_TABS_TAB_STRIP_CONTROL_BUTTON_H_
#define CHROME_BROWSER_UI_VIEWS_TABS_TAB_STRIP_CONTROL_BUTTON_H_
#include "base/memory/raw_ref.h"
#include "ui/base/metadata/metadata_header_macros.h"
#include "ui/color/color_id.h"
#include "ui/gfx/geometry/size.h"
#include "ui/views/controls/button/label_button.h"
#include "ui/views/masked_targeter_delegate.h"
namespace gfx {
struct VectorIcon;
} // namespace gfx
class TabStripController;
enum class Edge {
kNone = 0,
kLeft,
kRight,
};
class TabStripControlButton : public views::LabelButton,
public views::MaskedTargeterDelegate {
METADATA_HEADER(TabStripControlButton, views::LabelButton)
public:
static const int kIconSize;
static const gfx::Size kButtonSize;
TabStripControlButton(TabStripController* tab_strip,
PressedCallback callback,
const gfx::VectorIcon& icon,
Edge fixed_flat_edge = Edge::kNone,
Edge animated_flat_edge = Edge::kNone);
TabStripControlButton(TabStripController* tab_strip,
PressedCallback callback,
const std::u16string& text,
Edge fixed_flat_edge = Edge::kNone,
Edge animated_flat_edge = Edge::kNone);
TabStripControlButton(TabStripController* tab_strip,
PressedCallback callback,
const gfx::VectorIcon& icon,
const std::u16string& text,
Edge fixed_flat_edge = Edge::kNone,
Edge animated_flat_edge = Edge::kNone);
TabStripControlButton(const TabStripControlButton&) = delete;
TabStripControlButton& operator=(const TabStripControlButton&) = delete;
~TabStripControlButton() override = default;
// Update the Colors of the button.
void SetForegroundFrameActiveColorId(ui::ColorId new_color_id);
void SetForegroundFrameInactiveColorId(ui::ColorId new_color_id);
void SetBackgroundFrameActiveColorId(ui::ColorId new_color_id);
void SetBackgroundFrameInactiveColorId(ui::ColorId new_color_id);
// Updates the icon model.
void SetVectorIcon(const gfx::VectorIcon& icon);
// Updates the styling and icons for the button. Should be called when colors
// change.
void UpdateIcon();
virtual int GetCornerRadius() const;
virtual int GetFlatCornerRadius() const;
float GetScaledCornerRadius(float initial_radius, Edge edge) const;
Edge animated_flat_edge() { return animated_flat_edge_; }
float flat_edge_factor_for_testing() { return flat_edge_factor_; }
void SetFlatEdgeFactor(float factor);
// Helper function for changing the state for TabStripRegionView tests.
void AnimateToStateForTesting(views::InkDropState state);
// views::View
gfx::Size CalculatePreferredSize(
const views::SizeBounds& available_size) const override;
void AddedToWidget() override;
void RemovedFromWidget() override;
void OnThemeChanged() override;
// views::MaskedTargeterDelegate
bool GetHitTestMask(SkPath* mask) const override;
protected:
// Returns colors based on the Frame active status.
ui::ColorId GetBackgroundColor();
ui::ColorId GetForegroundColor();
// Called whenever a color change occurs (theming/frame state). By default
// this only changes the hover color and updates the icon. Override for any
// additional changes.
virtual void UpdateColors();
// views::Button
void NotifyClick(const ui::Event& event) override;
void set_paint_transparent_for_custom_image_theme(
bool paint_transparent_for_custom_image_theme) {
paint_transparent_for_custom_image_theme_ =
paint_transparent_for_custom_image_theme;
}
private:
void UpdateBackground();
void UpdateInkDrop();
// Optional icon for the label button.
raw_ref<const gfx::VectorIcon> icon_;
bool paint_transparent_for_custom_image_theme_ = false;
// Button edge which should always render without rounded corners.
Edge fixed_flat_edge_;
// Button edge which should sometimes render without rounded corners,
// depending on animation state.
Edge animated_flat_edge_;
// Corner radius multiplier on the corners adjacent to the animated flat
// edge, if any. Between 0-1, where corners will be flat at 0 and rounded at
// 1. Used for animating corner radius.
float flat_edge_factor_ = 1;
// Tab strip that contains this button.
raw_ptr<TabStripController> tab_strip_controller_;
// Stored ColorId values to differentiate for ChromeRefresh.
ui::ColorId foreground_frame_active_color_id_;
ui::ColorId foreground_frame_inactive_color_id_;
ui::ColorId background_frame_active_color_id_;
ui::ColorId background_frame_inactive_color_id_;
base::CallbackListSubscription paint_as_active_subscription_;
};
#endif // CHROME_BROWSER_UI_VIEWS_TABS_TAB_STRIP_CONTROL_BUTTON_H_
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