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// Copyright 2016 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_DESKTOP_CAPTURE_DESKTOP_MEDIA_SOURCE_VIEW_H_
#define CHROME_BROWSER_UI_VIEWS_DESKTOP_CAPTURE_DESKTOP_MEDIA_SOURCE_VIEW_H_
#include "base/memory/raw_ptr.h"
#include "content/public/browser/desktop_media_id.h"
#include "ui/base/metadata/metadata_header_macros.h"
#include "ui/gfx/text_constants.h"
#include "ui/views/controls/focus_ring.h"
#include "ui/views/controls/image_view.h"
#include "ui/views/controls/label.h"
#include "ui/views/view.h"
namespace views {
class ImageView;
class Label;
} // namespace views
class DesktopMediaListView;
// Controls the appearance of DesktopMediaSourceView.
struct DesktopMediaSourceViewStyle {
DesktopMediaSourceViewStyle();
DesktopMediaSourceViewStyle(size_t columns,
const gfx::Size& item_size,
const gfx::Rect& icon_rect,
const gfx::Rect& label_rect,
gfx::HorizontalAlignment text_alignment,
const gfx::Rect& image_rect);
DesktopMediaSourceViewStyle(const DesktopMediaSourceViewStyle& style);
DesktopMediaSourceViewStyle& operator=(
const DesktopMediaSourceViewStyle& style);
// This parameter controls how many source items can be displayed in a row.
// Source items are instances of DesktopMediaSourceView.
size_t columns = 0;
// The size of a single source item.
gfx::Size item_size;
// The relative position to display icon, label and preview image in the
// source item.
gfx::Rect icon_rect;
gfx::Rect label_rect;
gfx::HorizontalAlignment text_alignment = gfx::ALIGN_LEFT;
gfx::Rect image_rect;
};
// View used for each item in DesktopMediaListView. Shows a single desktop media
// source as a thumbnail with the title under it.
class DesktopMediaSourceView : public views::View {
METADATA_HEADER(DesktopMediaSourceView, views::View)
public:
DesktopMediaSourceView(DesktopMediaListView* parent,
content::DesktopMediaID source_id,
DesktopMediaSourceViewStyle style);
DesktopMediaSourceView(const DesktopMediaSourceView&) = delete;
DesktopMediaSourceView& operator=(const DesktopMediaSourceView&) = delete;
~DesktopMediaSourceView() override;
// Used to update the style when the number of available items changes.
void SetStyle(DesktopMediaSourceViewStyle style);
// Updates thumbnail and title from |source|.
void SetName(const std::u16string& name);
void SetThumbnail(const gfx::ImageSkia& thumbnail);
void SetIcon(const gfx::ImageSkia& icon);
// Id for the source shown by this View.
const content::DesktopMediaID& source_id() const { return source_id_; }
// Returns true if the source is selected.
bool GetSelected() const;
// Clears selection from this item, or no-ops if it is not selected.
void ClearSelection();
// views::View interface.
views::View* GetSelectedViewForGroup(int group) override;
bool IsGroupFocusTraversable() const override;
void OnFocus() override;
bool OnMousePressed(const ui::MouseEvent& event) override;
void OnGestureEvent(ui::GestureEvent* event) override;
private:
// Updates selection state of the element. If |selected| is true then also
// calls SetSelected(false) for the source view that was selected before that
// (if any).
void SetSelected(bool selected);
void OnLabelTextChanged();
void UpdateAccessibleName();
base::CallbackListSubscription label_text_changed_callback_;
raw_ptr<DesktopMediaListView> parent_;
content::DesktopMediaID source_id_;
raw_ptr<views::ImageView> icon_view_;
raw_ptr<views::ImageView> image_view_;
raw_ptr<views::Label> label_;
bool selected_;
};
#endif // CHROME_BROWSER_UI_VIEWS_DESKTOP_CAPTURE_DESKTOP_MEDIA_SOURCE_VIEW_H_
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