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// Copyright 2012 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_DOWNLOAD_DOWNLOAD_SHELF_VIEW_H_
#define CHROME_BROWSER_UI_VIEWS_DOWNLOAD_DOWNLOAD_SHELF_VIEW_H_
#include <memory>
#include <vector>
#include "base/gtest_prod_util.h"
#include "base/memory/raw_ptr.h"
#include "chrome/browser/download/download_shelf.h"
#include "ui/base/metadata/metadata_header_macros.h"
#include "ui/gfx/animation/slide_animation.h"
#include "ui/gfx/geometry/insets.h"
#include "ui/views/accessible_pane_view.h"
#include "ui/views/animation/animation_delegate_views.h"
#include "ui/views/controls/button/button.h"
#include "ui/views/mouse_watcher.h"
#include "ui/views/mouse_watcher_view_host.h"
class Browser;
class BrowserView;
class DownloadItemView;
namespace views {
class ImageButton;
class MdTextButton;
} // namespace views
// DownloadShelfView is a view that contains individual views for each download,
// as well as a close button and a link to show all downloads.
//
// DownloadShelfView does not hold an infinite number of download views, rather
// it'll automatically remove views once a certain point is reached.
class DownloadShelfView : public DownloadShelf,
public views::AccessiblePaneView,
public views::AnimationDelegateViews,
public views::MouseWatcherListener {
METADATA_HEADER(DownloadShelfView, views::AccessiblePaneView)
public:
DownloadShelfView(Browser* browser, BrowserView* parent);
DownloadShelfView(const DownloadShelfView&) = delete;
DownloadShelfView& operator=(const DownloadShelfView&) = delete;
~DownloadShelfView() override;
// DownloadShelf:
bool IsShowing() const override;
bool IsClosing() const override;
views::View* GetView() override;
// views::AccessiblePaneView:
// TODO(crbug.com/40648316): Replace these with a LayoutManager
gfx::Size CalculatePreferredSize(
const views::SizeBounds& /*available_size*/) const override;
void Layout(PassKey) override;
// views::AnimationDelegateViews:
void AnimationProgressed(const gfx::Animation* animation) override;
void AnimationEnded(const gfx::Animation* animation) override;
// views::MouseWatcherListener:
void MouseMovedOutOfHost() override;
// Sent from the DownloadItemView when the user opens an item.
void AutoClose();
// Removes a specified download view. The supplied view is deleted after
// it's removed.
void RemoveDownloadView(views::View* view);
// Updates |button| according to the active theme.
void ConfigureButtonForTheme(views::MdTextButton* button);
DownloadItemView* GetViewOfLastDownloadItemForTesting();
protected:
// DownloadShelf:
void DoShowDownload(DownloadUIModel::DownloadUIModelPtr download) override;
void DoOpen() override;
void DoClose() override;
void DoHide() override;
void DoUnhide() override;
// views::AccessiblePaneView:
void OnPaintBorder(gfx::Canvas* canvas) override;
void OnThemeChanged() override;
views::View* GetDefaultFocusableChild() override;
private:
FRIEND_TEST_ALL_PREFIXES(DownloadShelfViewTest, ShowAllViewColors);
// The animation for adding new items to the shelf.
gfx::SlideAnimation new_item_animation_{this};
// The show/hide animation for the shelf itself.
gfx::SlideAnimation shelf_animation_{this};
// The download views. These are also child Views, and deleted when
// the DownloadShelfView is deleted.
// TODO(pkasting): Remove this in favor of making these the children of a
// nested view, so they can easily be laid out and iterated.
std::vector<raw_ptr<DownloadItemView, VectorExperimental>> download_views_;
// Button for showing all downloads (chrome://downloads).
raw_ptr<views::MdTextButton> show_all_view_;
// Button for closing the downloads. This is contained as a child, and
// deleted by View.
raw_ptr<views::ImageButton> close_button_;
// Hidden view that will contain status text for immediate output by
// screen readers.
raw_ptr<views::View> accessible_alert_;
// The window this shelf belongs to.
raw_ptr<BrowserView> parent_;
views::MouseWatcher mouse_watcher_{
std::make_unique<views::MouseWatcherViewHost>(this, gfx::Insets()), this};
};
#endif // CHROME_BROWSER_UI_VIEWS_DOWNLOAD_DOWNLOAD_SHELF_VIEW_H_
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