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// Copyright 2014 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.
import '../../artifacts.dart';
import '../../base/file_system.dart';
import '../../build_info.dart';
import '../build_system.dart';
import '../depfile.dart';
import '../exceptions.dart';
import 'assets.dart';
import 'dart.dart';
import 'desktop.dart';
import 'icon_tree_shaker.dart';
/// The only files/subdirectories we care about.
const List<String> _kWindowsArtifacts = <String>[
'flutter_windows.dll',
'flutter_windows.dll.exp',
'flutter_windows.dll.lib',
'flutter_windows.dll.pdb',
'flutter_export.h',
'flutter_messenger.h',
'flutter_plugin_registrar.h',
'flutter_windows.h',
'icudtl.dat',
];
const String _kWindowsDepfile = 'windows_engine_sources.d';
/// Copies the Windows desktop embedding files to the copy directory.
class UnpackWindows extends Target {
const UnpackWindows();
@override
String get name => 'unpack_windows';
@override
List<Source> get inputs => const <Source>[
Source.pattern('{FLUTTER_ROOT}/packages/flutter_tools/lib/src/build_system/targets/windows.dart'),
];
@override
List<Source> get outputs => const <Source>[];
@override
List<String> get depfiles => const <String>[_kWindowsDepfile];
@override
List<Target> get dependencies => const <Target>[];
@override
Future<void> build(Environment environment) async {
final BuildMode buildMode = getBuildModeForName(environment.defines[kBuildMode]);
final String engineSourcePath = environment.artifacts
.getArtifactPath(
Artifact.windowsDesktopPath,
platform: TargetPlatform.windows_x64,
mode: buildMode,
);
final String clientSourcePath = environment.artifacts
.getArtifactPath(
Artifact.windowsCppClientWrapper,
platform: TargetPlatform.windows_x64,
mode: buildMode,
);
final Directory outputDirectory = environment.fileSystem.directory(
environment.fileSystem.path.join(
environment.projectDir.path,
'windows',
'flutter',
'ephemeral',
),
);
final Depfile depfile = unpackDesktopArtifacts(
fileSystem: environment.fileSystem,
artifacts: _kWindowsArtifacts,
engineSourcePath: engineSourcePath,
outputDirectory: outputDirectory,
clientSourcePath: clientSourcePath,
);
final DepfileService depfileService = DepfileService(
fileSystem: environment.fileSystem,
logger: environment.logger,
);
depfileService.writeToFile(
depfile,
environment.buildDir.childFile(_kWindowsDepfile),
);
}
}
/// Creates a debug bundle for the Windows desktop target.
class DebugBundleWindowsAssets extends Target {
const DebugBundleWindowsAssets();
@override
String get name => 'debug_bundle_windows_assets';
@override
List<Target> get dependencies => const <Target>[
KernelSnapshot(),
UnpackWindows(),
];
@override
List<Source> get inputs => const <Source>[
Source.pattern('{BUILD_DIR}/app.dill'),
Source.pattern('{FLUTTER_ROOT}/packages/flutter_tools/lib/src/build_system/targets/windows.dart'),
Source.pattern('{PROJECT_DIR}/pubspec.yaml'),
...IconTreeShaker.inputs,
];
@override
List<Source> get outputs => const <Source>[
Source.pattern('{OUTPUT_DIR}/flutter_assets/kernel_blob.bin'),
];
@override
List<String> get depfiles => const <String>[
'flutter_assets.d',
];
@override
Future<void> build(Environment environment) async {
if (environment.defines[kBuildMode] == null) {
throw MissingDefineException(kBuildMode, 'debug_bundle_windows_assets');
}
final BuildMode buildMode = getBuildModeForName(environment.defines[kBuildMode]);
final Directory outputDirectory = environment.outputDir
.childDirectory('flutter_assets');
if (!outputDirectory.existsSync()) {
outputDirectory.createSync();
}
// Only copy the kernel blob in debug mode.
if (buildMode == BuildMode.debug) {
environment.buildDir.childFile('app.dill')
.copySync(outputDirectory.childFile('kernel_blob.bin').path);
}
final Depfile depfile = await copyAssets(environment, outputDirectory);
final DepfileService depfileService = DepfileService(
fileSystem: environment.fileSystem,
logger: environment.logger,
);
depfileService.writeToFile(
depfile,
environment.buildDir.childFile('flutter_assets.d'),
);
}
}