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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.
#include "ash/system/mahi/mahi_animation_utils.h"
#include "ash/system/mahi/mahi_constants.h"
#include "ash/system/mahi/resources/grit/mahi_resources.h"
#include "ash/utility/lottie_util.h"
#include "base/strings/strcat.h"
#include "base/strings/string_util.h"
#include "ui/base/resource/resource_bundle.h"
#include "ui/views/controls/animated_image_view.h"
#include "ui/views/view_utils.h"
namespace ash::mahi_animation_utils {
namespace {
constexpr char kSummaryLoadingAnimationRestartMarker[] =
"_CrOS_Marker_CycleRestart_Line";
constexpr char kOutlineLoadingAnimationRestartMarker[] =
"_CrOS_Marker_CycleRestart_Box";
std::string GetRestartMarkerFromId(int animation_id) {
if (animation_id == IDR_MAHI_LOADING_SUMMARY_ANIMATION) {
return kSummaryLoadingAnimationRestartMarker;
}
if (animation_id == IDR_MAHI_LOADING_OUTLINES_ANIMATION) {
return kOutlineLoadingAnimationRestartMarker;
}
NOTREACHED();
}
base::TimeDelta GetCycleRestartTimestamp(const cc::SkottieWrapper& skottie,
int animation_id) {
CHECK(skottie.is_valid());
CHECK_EQ(skottie.GetAllMarkers().size(), 1u);
auto marker = skottie.GetAllMarkers().begin();
CHECK_EQ(marker->name, GetRestartMarkerFromId(animation_id));
// `marker.begin_time` is a normalized timestamp in range [0, 1), where 1
// is the animation's cycle duration.
return base::TimeDelta(base::Seconds(skottie.duration()) *
marker->begin_time);
}
} // namespace
std::unique_ptr<lottie::Animation> GetLottieAnimationData(int animation_id) {
std::optional<std::vector<uint8_t>> lottie_data =
ui::ResourceBundle::GetSharedInstance().GetLottieData(animation_id);
CHECK(lottie_data.has_value());
std::unique_ptr<lottie::Animation> animation =
std::make_unique<lottie::Animation>(
cc::SkottieWrapper::UnsafeCreateSerializable(lottie_data.value()));
return animation;
}
std::optional<lottie::Animation::PlaybackConfig> GetLottiePlaybackConfig(
const cc::SkottieWrapper& skottie,
int animation_id) {
auto animation_duration = base::Seconds(skottie.duration());
return lottie::Animation::PlaybackConfig(
{{base::TimeDelta(), animation_duration},
{GetCycleRestartTimestamp(skottie, animation_id), animation_duration}},
/*initial_offset=*/base::TimeDelta(),
/*initial_completed_cycles=*/0, lottie::Animation::Style::kLoop);
}
} // namespace ash::mahi_animation_utils
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