// Messages describing APK Set's table of contents (toc.pb entry).
// Please be advised that the ultimate source is at
// https://github.com/google/bundletool/tree/master/src/main/proto
// so you have been warned.
syntax = "proto3";

package android.bundle;

option go_package = "android_bundle_proto";
option java_package = "com.android.bundle";

message BundleConfig {
  Bundletool bundletool = 1;
  Optimizations optimizations = 2;
  Compression compression = 3;
  // Resources to be always kept in the master split.
  MasterResources master_resources = 4;
  ApexConfig apex_config = 5;
  // APKs to be signed with the same key as generated APKs.
  repeated UnsignedEmbeddedApkConfig unsigned_embedded_apk_config = 6;
  AssetModulesConfig asset_modules_config = 7;

  enum BundleType {
    REGULAR = 0;
    APEX = 1;
    ASSET_ONLY = 2;
  }
  BundleType type = 8;
}

message Bundletool {
  reserved 1;
  // Version of BundleTool used to build the Bundle.
  string version = 2;
}

message Compression {
  // Glob matching the list of files to leave uncompressed in the APKs.
  // The matching is done against the path of files in the APK, thus excluding
  // the name of the modules, and using forward slash ("/") as a name separator.
  // Examples: "res/raw/**", "assets/**/*.uncompressed", etc.
  repeated string uncompressed_glob = 1;
}

// Resources to keep in the master split.
message MasterResources {
  // Resource IDs to be kept in master split.
  repeated int32 resource_ids = 1;
  // Resource names to be kept in master split.
  repeated string resource_names = 2;
}

message Optimizations {
  SplitsConfig splits_config = 1;
  // This is for uncompressing native libraries on M+ devices (L+ devices on
  // instant apps).
  UncompressNativeLibraries uncompress_native_libraries = 2;
  // This is for uncompressing dex files on P+ devices.
  UncompressDexFiles uncompress_dex_files = 3;
  // Configuration for the generation of standalone APKs.
  // If no StandaloneConfig is set, the configuration is inherited from
  // splits_config.
  StandaloneConfig standalone_config = 4;
}

message UncompressNativeLibraries {
  bool enabled = 1;
}

message UncompressDexFiles {
  bool enabled = 1;
}

// Optimization configuration used to generate Split APKs.
message SplitsConfig {
  repeated SplitDimension split_dimension = 1;
}

// Optimization configuration used to generate Standalone APKs.
message StandaloneConfig {
  // Device targeting dimensions to shard.
  repeated SplitDimension split_dimension = 1;
  // Whether 64 bit libraries should be stripped from Standalone APKs.
  bool strip_64_bit_libraries = 2;
}

message SplitDimension {
  enum Value {
    UNSPECIFIED_VALUE = 0;
    ABI = 1;
    SCREEN_DENSITY = 2;
    LANGUAGE = 3;
    TEXTURE_COMPRESSION_FORMAT = 4;
    // BEGIN-INTERNAL
    GRAPHICS_API = 5;
    // END-INTERNAL
  }
  Value value = 1;

  // If set to 'true', indicates that APKs should *not* be split by this
  // dimension.
  bool negate = 2;

  // Optional transformation to be applied to asset directories where
  // the targeting is encoded in the directory name (e.g: assets/foo#tcf_etc1)
  SuffixStripping suffix_stripping = 3;
}

message SuffixStripping {
  // If set to 'true', indicates that the targeting suffix should be removed
  // from assets paths for this dimension when splits (or asset slices) are
  // generated.
  // This only applies to assets.
  // For example a folder with path "assets/level1_textures#tcf_etc1"
  // would be outputted to "assets/level1_textures". File contents are
  // unchanged.
  bool enabled = 1;

  // The default suffix to be used for the cases where separate slices can't
  // be generated for this dimension. In the case of standalone/universal APKs
  // generation, stripping the suffix can lead to file name collisions. This
  // default suffix defines the directories to retain. The others are
  // discarded: standalone/universal APKs will contain only directories
  // targeted at this value for the dimension.
  //
  // If not set or empty, the fallback directory in each directory group will be
  // used (for example, if both "assets/level1_textures#tcf_etc1" and
  // "assets/level1_textures" are present and the default suffix is empty,
  // then only "assets/level1_textures" will be used).
  string default_suffix = 2;
}

// Configuration for processing APEX bundles.
// https://source.android.com/devices/tech/ota/apex
message ApexConfig {
  // Configuration for processing of APKs embedded in an APEX image.
  repeated ApexEmbeddedApkConfig apex_embedded_apk_config = 1;
}

message ApexEmbeddedApkConfig {
  // Android package name of the APK.
  string package_name = 1;

  // Path to the APK within the APEX system image.
  string path = 2;
}

message UnsignedEmbeddedApkConfig {
  // Path to the APK inside the module (e.g. if the path inside the bundle
  // is split/assets/example.apk, this will be assets/example.apk).
  string path = 1;
}

message AssetModulesConfig {
  // App versionCodes that will be updated with these asset modules.
  // Only relevant for asset-only bundles.
  repeated int64 app_version = 1;

  // Version tag for the asset upload.
  // Only relevant for asset-only bundles.
  string asset_version_tag = 2;
}