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// Copyright 2022 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_AMBIENT_MODEL_AMBIENT_ANIMATION_ATTRIBUTION_PROVIDER_H_
#define ASH_AMBIENT_MODEL_AMBIENT_ANIMATION_ATTRIBUTION_PROVIDER_H_
#include <vector>
#include "ash/ambient/model/ambient_animation_photo_provider.h"
#include "ash/ash_export.h"
#include "base/memory/raw_ptr.h"
#include "base/scoped_observation.h"
#include "cc/paint/skottie_resource_metadata.h"
namespace lottie {
class Animation;
} // namespace lottie
namespace ash {
// "Attribution" refers to the text credits that may optionally accompany each
// photo that's assigned to a dynamic asset in an animation. The Lottie files
// for ambient mode have a placeholder for each dynamic asset where its
// attribution text should go, and AmbientAnimationAttributionProvider's job is
// to fill in the placeholders with the appropriate text credits.
class ASH_EXPORT AmbientAnimationAttributionProvider
: public AmbientAnimationPhotoProvider::Observer {
public:
AmbientAnimationAttributionProvider(
AmbientAnimationPhotoProvider* photo_provider,
lottie::Animation* animation);
AmbientAnimationAttributionProvider(
const AmbientAnimationAttributionProvider&) = delete;
AmbientAnimationAttributionProvider& operator=(
const AmbientAnimationAttributionProvider&) = delete;
~AmbientAnimationAttributionProvider() override;
// AmbientAnimationPhotoProvider::Observer implementation:
void OnDynamicImageAssetsRefreshed(
const base::flat_map<ambient::util::ParsedDynamicAssetId,
std::reference_wrapper<const PhotoWithDetails>>&
new_topics) override;
private:
const raw_ptr<lottie::Animation> animation_;
// Set of text nodes in the animation that should hold attribution for a
// photo. It is expected that the size of this vector matches the number of
// dynamic image assets in the animation (1 for each photo).
const std::vector<cc::SkottieResourceIdHash> attribution_node_ids_;
base::ScopedObservation<AmbientAnimationPhotoProvider,
AmbientAnimationPhotoProvider::Observer>
observation_{this};
};
} // namespace ash
#endif // ASH_AMBIENT_MODEL_AMBIENT_ANIMATION_ATTRIBUTION_PROVIDER_H_
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