1/*
2 * Copyright (C) 2017 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#ifndef AAPT2_APKSPLITTER_H
18#define AAPT2_APKSPLITTER_H
19
20#include <memory>
21#include <string>
22#include <unordered_set>
23#include <vector>
24
25#include "Diagnostics.h"
26#include "LoadedApk.h"
27#include "configuration/ConfigurationParser.h"
28
29namespace aapt {
30
31struct MultiApkGeneratorOptions {
32  std::string out_dir;
33  std::vector<configuration::OutputArtifact> apk_artifacts;
34  TableFlattenerOptions table_flattener_options;
35  std::unordered_set<std::string> kept_artifacts;
36};
37
38/**
39 * Generates a set of APKs that are a subset of the original base APKs. Each of the new APKs contain
40 * only the resources and assets for an artifact in the configuration file.
41 */
42class MultiApkGenerator {
43 public:
44  MultiApkGenerator(LoadedApk* apk, IAaptContext* context);
45
46  /**
47   * Writes a set of APKs to the provided output directory. Each APK is a subset fo the base APK and
48   * represents an artifact in the post processing configuration.
49   */
50  bool FromBaseApk(const MultiApkGeneratorOptions& options);
51
52 protected:
53  virtual std::unique_ptr<ResourceTable> FilterTable(IAaptContext* context,
54                                                     const configuration::OutputArtifact& artifact,
55                                                     const ResourceTable& old_table,
56                                                     FilterChain* chain);
57
58 private:
59  IDiagnostics* GetDiagnostics() {
60    return context_->GetDiagnostics();
61  }
62
63  bool UpdateManifest(const configuration::OutputArtifact& artifact,
64                      std::unique_ptr<xml::XmlResource>* updated_manifest, IDiagnostics* diag);
65
66  /**
67   * Adds the <screen> elements to the parent node for the provided density configuration.
68   */
69  void AddScreens(const ConfigDescription& config, xml::Element* parent);
70
71  LoadedApk* apk_;
72  IAaptContext* context_;
73};
74
75}  // namespace aapt
76
77#endif  // AAPT2_APKSPLITTER_H
78