blob: a5f9340ccc687487d645658fdd228c3bdbbef845 [file] [log] [blame]
// Copyright 2020 The Cobalt Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "cobalt/loader/image/lottie_animation_decoder.h"
#include "base/trace_event/trace_event.h"
#include "nb/memory_scope.h"
namespace cobalt {
namespace loader {
namespace image {
LottieAnimationDecoder::LottieAnimationDecoder(
render_tree::ResourceProvider* resource_provider,
const base::DebuggerHooks& debugger_hooks)
: ImageDataDecoder(resource_provider, debugger_hooks) {
TRACE_EVENT0("cobalt::loader::image",
"LottieAnimationDecoder::LottieAnimationDecoder()");
TRACK_MEMORY_SCOPE("Rendering");
}
size_t LottieAnimationDecoder::DecodeChunkInternal(const uint8* data,
size_t input_byte) {
TRACE_EVENT0("cobalt::loader::image",
"LottieAnimationDecoder::DecodeChunkInternal()");
TRACK_MEMORY_SCOPE("Rendering");
if (state() == kWaitingForHeader) {
// TODO: Remove hard coded values.
lottie_animation_ = new LottieAnimation(resource_provider());
set_state(kReadLines);
}
if (state() == kReadLines) {
DCHECK(lottie_animation_);
lottie_animation_->AppendChunk(data, input_byte);
}
return input_byte;
}
scoped_refptr<Image> LottieAnimationDecoder::FinishInternal() {
set_state(kDone);
lottie_animation_->FinishReadingData();
return lottie_animation_;
}
} // namespace image
} // namespace loader
} // namespace cobalt