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// Copyright 2019 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_SLOT_VIEW_H_
#define CHROME_BROWSER_UI_VIEWS_TABS_TAB_SLOT_VIEW_H_
#include <optional>
#include "chrome/browser/ui/views/tabs/tab_strip_layout.h"
#include "components/tab_groups/tab_group_id.h"
#include "components/tabs/public/split_tab_id.h"
#include "ui/base/metadata/metadata_header_macros.h"
#include "ui/views/view.h"
// View that can be laid out in the tabstrip.
class TabSlotView : public views::View {
METADATA_HEADER(TabSlotView, views::View)
public:
enum class ViewType {
kTab,
kTabGroupHeader,
};
TabSlotView();
~TabSlotView() override;
// Returns the type of TabSlotView that this is. Used for distinguishing
// between Tabs and TabGroupHeaders when dragging.
virtual ViewType GetTabSlotViewType() const = 0;
// Returns the TabSizeInfo for this View. Used by tab strip layout to size it
// appropriately.
virtual TabSizeInfo GetTabSizeInfo() const = 0;
// Used to set the tab group that this view belongs to.
virtual void SetGroup(std::optional<tab_groups::TabGroupId> group);
std::optional<tab_groups::TabGroupId> group() const { return group_; }
virtual void SetSplit(std::optional<split_tabs::SplitTabId> split);
std::optional<split_tabs::SplitTabId> split() const { return split_; }
// Used to mark the view as having been detached. Once this has happened, the
// view should be invisibly closed. This is irreversible.
void set_detached() { detached_ = true; }
bool detached() const { return detached_; }
// Used to mark the view as being dragged.
void set_dragging(bool dragging) { dragging_ = dragging; }
bool dragging() const { return dragging_; }
void set_animating(bool animating) { animating_ = animating; }
bool animating() const { return animating_; }
// views::View:
gfx::Rect GetAnchorBoundsInScreen() const override;
private:
std::optional<tab_groups::TabGroupId> group_;
// True if the view has been detached.
bool detached_ = false;
// True if the tab is being dragged.
bool dragging_ = false;
// True if the tab's bounds are being animated by the tabstrip.
bool animating_ = false;
std::optional<split_tabs::SplitTabId> split_;
};
#endif // CHROME_BROWSER_UI_VIEWS_TABS_TAB_SLOT_VIEW_H_
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