flutter_flutter/assets/directory_asset_bundle.h
Jonah Williams 15c587404c
Preserve specified AssetResolvers when performing a hot restart or updating the asset directory (#21611)
Follow up from #21436 . That PR works for all embeddings except for Android, which creates a special JNI AssetResolver. Since the shell cannot recreate this resolver, update the logic to preserve existing resolvers instead.
2020-10-08 09:22:01 -07:00

43 lines
1.1 KiB
C++

// Copyright 2013 The Flutter Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef FLUTTER_ASSETS_DIRECTORY_ASSET_BUNDLE_H_
#define FLUTTER_ASSETS_DIRECTORY_ASSET_BUNDLE_H_
#include "flutter/assets/asset_resolver.h"
#include "flutter/fml/macros.h"
#include "flutter/fml/memory/ref_counted.h"
#include "flutter/fml/unique_fd.h"
namespace flutter {
class DirectoryAssetBundle : public AssetResolver {
public:
DirectoryAssetBundle(fml::UniqueFD descriptor,
bool is_valid_after_asset_manager_change);
~DirectoryAssetBundle() override;
private:
const fml::UniqueFD descriptor_;
bool is_valid_ = false;
bool is_valid_after_asset_manager_change_ = false;
// |AssetResolver|
bool IsValid() const override;
// |AssetResolver|
bool IsValidAfterAssetManagerChange() const override;
// |AssetResolver|
std::unique_ptr<fml::Mapping> GetAsMapping(
const std::string& asset_name) const override;
FML_DISALLOW_COPY_AND_ASSIGN(DirectoryAssetBundle);
};
} // namespace flutter
#endif // FLUTTER_ASSETS_DIRECTORY_ASSET_BUNDLE_H_