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// Copyright 2024 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef ASH_QUICK_INSERT_VIEWS_QUICK_INSERT_GIF_VIEW_H_
#define ASH_QUICK_INSERT_VIEWS_QUICK_INSERT_GIF_VIEW_H_
#include <optional>
#include <vector>
#include "ash/ash_export.h"
#include "base/functional/callback_forward.h"
#include "base/timer/timer.h"
#include "services/network/public/cpp/simple_url_loader.h"
#include "ui/base/metadata/metadata_header_macros.h"
#include "ui/gfx/geometry/size.h"
#include "ui/views/controls/image_view.h"
#include "ui/views/metadata/view_factory.h"
#include "ui/views/view.h"
namespace ash {
namespace image_util {
struct AnimationFrame;
} // namespace image_util
class ASH_EXPORT QuickInsertGifView : public views::ImageView {
METADATA_HEADER(QuickInsertGifView, views::ImageView)
public:
using FramesFetchedCallback =
base::OnceCallback<void(std::vector<image_util::AnimationFrame>)>;
using FramesFetcher =
base::OnceCallback<std::unique_ptr<network::SimpleURLLoader>(
FramesFetchedCallback)>;
using PreviewImageFetchedCallback =
base::OnceCallback<void(const gfx::ImageSkia&)>;
using PreviewImageFetcher =
base::OnceCallback<std::unique_ptr<network::SimpleURLLoader>(
PreviewImageFetchedCallback)>;
QuickInsertGifView(FramesFetcher frames_fetcher,
PreviewImageFetcher preview_image_fetcher,
const gfx::Size& original_dimensions);
QuickInsertGifView(const QuickInsertGifView&) = delete;
QuickInsertGifView& operator=(const QuickInsertGifView&) = delete;
~QuickInsertGifView() override;
// views::ImageViewBase:
void OnBoundsChanged(const gfx::Rect& previous_bounds) override;
private:
void UpdateFrame();
void OnFramesFetched(std::vector<image_util::AnimationFrame> frames);
void OnPreviewImageFetched(const gfx::ImageSkia& preview_image);
void RecordFetchFramesTime();
// Original dimensions of the gif, used to preserve aspect ratio when
// resizing.
gfx::Size original_dimensions_;
std::unique_ptr<network::SimpleURLLoader> preview_request_;
std::unique_ptr<network::SimpleURLLoader> frames_request_;
// The decoded gif frames.
std::vector<image_util::AnimationFrame> frames_;
// Timer to call `UpdateFrame` when the next frame should be shown.
base::OneShotTimer update_frame_timer_;
// Index of the frame to show on the next call to `UpdateFrame`.
size_t next_frame_index_ = 0;
std::optional<base::TimeTicks> fetch_frames_start_time_;
base::WeakPtrFactory<QuickInsertGifView> weak_factory_{this};
};
BEGIN_VIEW_BUILDER(ASH_EXPORT, QuickInsertGifView, views::ImageView)
END_VIEW_BUILDER
} // namespace ash
DEFINE_VIEW_BUILDER(ASH_EXPORT, ash::QuickInsertGifView)
#endif // ASH_QUICK_INSERT_VIEWS_QUICK_INSERT_GIF_VIEW_H_
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