代替としてStoreで管理するように

fixUI

component/viewer/build.gradle

@@ -54,4 +54,6 @@ dependencies {
 
     implementation project(':model')
 
+    implementation project(':vcs')
+
 }

component/viewer/src/main/java/one/nem/lacerta/component/viewer/ComponentViewerTopFragment.java

@@ -3,7 +3,9 @@ package one.nem.lacerta.component.viewer;
 import android.graphics.Bitmap;
 import android.os.Bundle;
 
+import androidx.appcompat.widget.Toolbar;
 import androidx.fragment.app.Fragment;
+import androidx.navigation.Navigation;
 import androidx.recyclerview.widget.LinearLayoutManager;
 import androidx.recyclerview.widget.RecyclerView;
 
@@ -67,6 +69,10 @@ public class ComponentViewerTopFragment extends Fragment {
         // Inflate the layout for this fragment
         View view = inflater.inflate(R.layout.fragment_component_viewer_top, container, false);
 
+        // Toolbar
+        Toolbar toolbar = view.findViewById(R.id.toolbar);
+        toolbarSetup(toolbar, true, "Revision List");
+
         RecyclerView recyclerView = view.findViewById(R.id.body_recycler_view);
         recyclerView.setLayoutManager(new LinearLayoutManager(getContext()));
         ViewerBodyAdapter viewerBodyAdapter = new ViewerBodyAdapter(fileName -> {
@@ -85,4 +91,39 @@ public class ComponentViewerTopFragment extends Fragment {
 
         return view;
     }
+
+    /**
+     * ToolbarをInitする
+     *
+     * @param toolbar Toolbar
+     * @param showBackButton 戻るボタンを表示するか
+     * @param title タイトル
+     */
+    private void toolbarSetup(Toolbar toolbar, boolean showBackButton, String title) {
+        getActivity().runOnUiThread(() -> {
+            if (showBackButton) {
+                toolbar.setNavigationIcon(one.nem.lacerta.shared.ui.R.drawable.arrow_back_24px);
+                toolbar.setNavigationOnClickListener(v -> {
+                    //this.libraryItemPage = lacertaLibrary.getLibraryPage(this.libraryItemPage.getParentId(), 10).join();
+                    // Back
+                    Navigation.findNavController(requireView()).popBackStack();
+                });
+            } else {
+                toolbar.setNavigationIcon(null);
+            }
+            toolbar.setTitle(title);
+            toolbar.inflateMenu(R.menu.viewer_menu);
+            toolbar.setOnMenuItemClickListener(item -> {
+                if (item.getItemId() == R.id.action_open_vcs_rev_list) {
+                    // Open vcs rev list
+                    getParentFragmentManager().beginTransaction()
+                            .replace(R.id.nav_host_fragment, ViewerVcsRevListFragment.newInstance(documentId))
+                            .commit();
+                    return true;
+                } else {
+                    return false;
+                }
+            });
+        });
+    }
 }

component/viewer/src/main/java/one/nem/lacerta/component/viewer/RevAdapter.java

@@ -0,0 +1,80 @@
+package one.nem.lacerta.component.viewer;
+
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.TextView;
+
+import androidx.annotation.NonNull;
+import androidx.recyclerview.widget.RecyclerView;
+
+import java.time.format.DateTimeFormatter;
+import java.util.ArrayList;
+
+import one.nem.lacerta.model.VcsRevModel;
+import one.nem.lacerta.utils.FeatureSwitch;
+
+public class RevAdapter extends RecyclerView.Adapter<RevAdapter.RevViewHolder>{
+
+    private ArrayList<VcsRevModel> revModels;
+
+    public RevAdapter(ArrayList<VcsRevModel> revModels) {
+        this.revModels = revModels;
+    }
+
+    public RevAdapter() {
+    }
+
+    public void setRevModels(ArrayList<VcsRevModel> revModels) {
+        this.revModels = revModels;
+    }
+
+
+    @NonNull
+    @Override
+    public RevAdapter.RevViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
+        View view = LayoutInflater.from(parent.getContext()).inflate(R.layout.viewer_rev_list_item, parent, false);
+        return new RevAdapter.RevViewHolder(view);
+    }
+
+    @Override
+    public void onBindViewHolder(@NonNull RevAdapter.RevViewHolder holder, int position) {
+        VcsRevModel revModel = revModels.get(position);
+        holder.title.setText(revModel.getCommitMessage());
+        if (FeatureSwitch.Vcs.disableBranchDisplay) {
+//            holder.detail.setText(DateTimeFormatter.ISO_LOCAL_DATE_TIME.format(revModel.getCreatedAt().toInstant()));
+            holder.detail.setText("DateTimePlaceholder");
+        } else {
+            //        holder.detail.setText(DateTimeFormatter.ISO_LOCAL_DATE_TIME.format(revModel.getCreatedAt().toInstant()) + " " + revModel.getBranchName());
+            holder.detail.setText("DateTimePlaceholder" + " " + revModel.getBranchName());
+        }
+        holder.revId.setText("RevID: " + revModel.getId());
+
+    }
+
+    @Override
+    public int getItemCount() {
+        if (revModels == null) {
+            return 0;
+        } else {
+            return revModels.size();
+        }
+    }
+
+    class RevViewHolder extends RecyclerView.ViewHolder {
+
+        TextView title;
+
+        TextView detail;
+
+        TextView revId;
+
+        public RevViewHolder(@NonNull View itemView) {
+            super(itemView);
+
+            title = itemView.findViewById(R.id.rev_item_title);
+            detail = itemView.findViewById(R.id.rev_item_detail);
+            revId = itemView.findViewById(R.id.rev_item_id);
+        }
+    }
+}

component/viewer/src/main/java/one/nem/lacerta/component/viewer/ViewerMainActivity.java

@@ -58,8 +58,9 @@ public class ViewerMainActivity extends AppCompatActivity {
             finish();
         }
 
+        // Navigation
         getSupportFragmentManager().beginTransaction()
                 .replace(R.id.nav_host_fragment, ComponentViewerTopFragment.newInstance(documentId))
-                .commitNow();
+                .commit();
     }
 }

component/viewer/src/main/java/one/nem/lacerta/component/viewer/ViewerVcsRevListFragment.java

@@ -0,0 +1,95 @@
+package one.nem.lacerta.component.viewer;
+
+import android.os.Bundle;
+
+import androidx.fragment.app.Fragment;
+import androidx.recyclerview.widget.LinearLayoutManager;
+import androidx.recyclerview.widget.RecyclerView;
+
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+
+import javax.inject.Inject;
+
+import dagger.hilt.android.AndroidEntryPoint;
+import one.nem.lacerta.utils.LacertaLogger;
+import one.nem.lacerta.vcs.LacertaVcs;
+import one.nem.lacerta.vcs.factory.LacertaVcsFactory;
+
+/**
+ * A simple {@link Fragment} subclass.
+ * Use the {@link ViewerVcsRevListFragment#newInstance} factory method to
+ * create an instance of this fragment.
+ */
+@AndroidEntryPoint
+public class ViewerVcsRevListFragment extends Fragment {
+
+    @Inject
+    LacertaVcsFactory lacertaVcsFactory;
+
+    @Inject
+    LacertaLogger logger;
+
+    LacertaVcs lacertaVcs;
+
+    private String documentId;
+
+    public ViewerVcsRevListFragment() {
+        // Required empty public constructor
+    }
+
+    public static ViewerVcsRevListFragment newInstance(String documentId) {
+        ViewerVcsRevListFragment fragment = new ViewerVcsRevListFragment();
+        Bundle args = new Bundle();
+        args.putString("documentId", documentId);
+        fragment.setArguments(args);
+        return fragment;
+    }
+
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+    }
+
+    @Override
+    public View onCreateView(LayoutInflater inflater, ViewGroup container,
+                             Bundle savedInstanceState) {
+        // Inflate the layout for this fragment
+        return inflater.inflate(R.layout.fragment_viewer_vcs_rev_list, container, false);
+    }
+
+    @Override
+    public void onViewCreated(View view, Bundle savedInstanceState) {
+        super.onViewCreated(view, savedInstanceState);
+
+        // Init arg
+        if (getArguments() != null) {
+            this.documentId = getArguments().getString("documentId");
+            logger.debug("ViewerVcsRevListFragment", "documentId: " + documentId);
+        }
+
+        // Init vcs
+        lacertaVcs = lacertaVcsFactory.create(documentId);
+
+        // Init view
+        RecyclerView recyclerView = view.findViewById(R.id.rev_list);
+
+        // Init adapter
+        RevAdapter revAdapter = new RevAdapter();
+
+        // Set adapter
+        recyclerView.setAdapter(revAdapter);
+
+        // Set layout manager
+        recyclerView.setLayoutManager(new LinearLayoutManager(getContext()));
+
+        lacertaVcs.getRevisionHistory().thenAccept(revModels -> {
+            logger.debug("ViewerVcsRevListFragment", "revModels.size(): " + revModels.size());
+            getActivity().runOnUiThread(() -> {
+                revAdapter.setRevModels(revModels);
+                revAdapter.notifyDataSetChanged();
+            });
+        });
+    }
+}

component/viewer/src/main/res/layout/fragment_viewer_vcs_rev_list.xml

@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="utf-8"?>
+<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context=".ViewerVcsRevListFragment">
+
+    <androidx.recyclerview.widget.RecyclerView
+        android:id="@+id/rev_list"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent" />
+</FrameLayout>

component/viewer/src/main/res/layout/viewer_body_list_item.xml

@@ -11,6 +11,7 @@
         android:layout_height="wrap_content"
         android:elevation="8dp"
         android:adjustViewBounds="true"
+        android:layout_marginBottom="16dp"
         app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintStart_toStartOf="parent"

component/viewer/src/main/res/layout/viewer_rev_list_item.xml

@@ -0,0 +1,55 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:paddingHorizontal="24dp"
+    android:paddingVertical="16dp">
+
+    <androidx.constraintlayout.widget.ConstraintLayout
+        android:id="@+id/item_text_container"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent">
+
+        <TextView
+            android:id="@+id/rev_item_title"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:textSize="16sp"
+            android:layout_marginEnd="8dp"
+            android:text="Placeholder Title"
+            android:textColor="@color/colorOnSurface"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toTopOf="parent" />
+
+        <TextView
+            android:id="@+id/rev_item_detail"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:textSize="14sp"
+            android:text="2023/01/01 00:00:00 - hogehoge"
+            android:textColor="@color/colorOnSurfaceSecondary"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toBottomOf="@+id/rev_item_title" />
+
+        <TextView
+            android:id="@+id/rev_item_id"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:textSize="12sp"
+            android:text="dd76a029-51f1-40f7-b316-a0c74bbfebb1(Example)"
+            android:textColor="@color/colorOnSurfaceSecondary"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toBottomOf="@+id/rev_item_detail" />
+
+    </androidx.constraintlayout.widget.ConstraintLayout>
+
+
+
+
+</androidx.constraintlayout.widget.ConstraintLayout>

component/viewer/src/main/res/menu/viewer_menu.xml

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="utf-8"?>
+<menu xmlns:android="http://schemas.android.com/apk/res/android">
+    <item
+        android:id="@+id/action_open_vcs_rev_list"
+        android:title="Open VCS Rev List" />
+
+</menu>

component/viewer/src/main/res/navigation/component_viewer_navigation.xml

@@ -1,11 +1,21 @@
 <?xml version="1.0" encoding="utf-8"?>
 <navigation xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
     android:id="@+id/component_viewer_navigation"
     app:startDestination="@id/componentViewerTopFragment">
 
     <fragment
         android:id="@+id/componentViewerTopFragment"
         android:name="one.nem.lacerta.component.viewer.ComponentViewerTopFragment"
-        android:label="ComponentViewerTopFragment" />
+        android:label="ComponentViewerTopFragment" >
+        <action
+            android:id="@+id/action_componentViewerTopFragment_to_viewerVcsRevListFragment"
+            app:destination="@id/viewerVcsRevListFragment" />
+    </fragment>
+    <fragment
+        android:id="@+id/viewerVcsRevListFragment"
+        android:name="one.nem.lacerta.component.viewer.ViewerVcsRevListFragment"
+        android:label="fragment_viewer_vcs_rev_list"
+        tools:layout="@layout/fragment_viewer_vcs_rev_list" />
 </navigation>

feature/setting/build.gradle

@@ -45,4 +45,8 @@ dependencies {
     // shared
     implementation project(':shared:ui')
 
+    // https://mvnrepository.com/artifact/androidx.preference/preference
+    implementation 'androidx.preference:preference:1.2.1'
+
+
 }

feature/setting/src/main/java/one/nem/lacerta/setting/SettingScanPageFragment.java

@@ -2,8 +2,12 @@ package one.nem.lacerta.setting;
 
 import android.os.Bundle;
 
+import androidx.annotation.Nullable;
 import androidx.fragment.app.Fragment;
+import androidx.fragment.app.FragmentTransaction;
+import androidx.preference.PreferenceFragmentCompat;
 
+import android.preference.PreferenceFragment;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
@@ -13,12 +17,17 @@ import android.view.ViewGroup;
  * Use the {@link SettingScanPageFragment#newInstance} factory method to
  * create an instance of this fragment.
  */
-public class SettingScanPageFragment extends Fragment {
+public class SettingScanPageFragment extends PreferenceFragmentCompat {
 
     public SettingScanPageFragment() {
         // Required empty public constructor
     }
 
+    @Override
+    public void onCreatePreferences(@Nullable Bundle savedInstanceState, @Nullable String rootKey) {
+        addPreferencesFromResource(R.xml.scan_preferences);
+    }
+
     public static SettingScanPageFragment newInstance() {
         SettingScanPageFragment fragment = new SettingScanPageFragment();
         Bundle args = new Bundle();
@@ -26,16 +35,4 @@ public class SettingScanPageFragment extends Fragment {
         return fragment;
     }
 
-    @Override
-    public void onCreate(Bundle savedInstanceState) {
-        super.onCreate(savedInstanceState);
-
-    }
-
-    @Override
-    public View onCreateView(LayoutInflater inflater, ViewGroup container,
-                             Bundle savedInstanceState) {
-        // Inflate the layout for this fragment
-        return inflater.inflate(R.layout.fragment_setting_scan_page, container, false);
-    }
 }

feature/setting/src/main/res/layout/fragment_setting_scan_page.xml

@@ -1,14 +1,50 @@
-<?xml version="1.0" encoding="utf-8"?>
 <FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:tools="http://schemas.android.com/tools"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    tools:context=".SettingScanPageFragment">
+    android:background="@color/colorSurface">
 
-    <!-- TODO: Update blank fragment layout -->
-    <TextView
+    <androidx.coordinatorlayout.widget.CoordinatorLayout
         android:layout_width="match_parent"
-        android:layout_height="match_parent"
-        android:text="@string/hello_blank_fragment" />
+        android:layout_height="match_parent">
+
+        <com.google.android.material.appbar.AppBarLayout
+            android:id="@+id/app_bar_layout"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content">
+
+            <com.google.android.material.appbar.CollapsingToolbarLayout
+                android:id="@+id/collapsing_toolbar"
+                app:contentScrim="@color/colorSecondaryContainer"
+                android:background="@color/colorSurface"
+                android:layout_width="match_parent"
+                android:layout_height="160dp"
+                android:fitsSystemWindows="true"
+                android:minHeight="?attr/actionBarSize"
+                app:collapsedTitleGravity="start|center_vertical"
+                app:expandedTitleGravity="start|bottom"
+                app:expandedTitleMarginBottom="16dp"
+                app:expandedTitleMarginStart="16dp"
+                app:expandedTitleTextAppearance="@style/TextAppearance.MaterialComponents.Headline4"
+                app:layout_scrollFlags="scroll|exitUntilCollapsed">
+
+                <androidx.appcompat.widget.Toolbar
+                    android:id="@+id/toolbar"
+                    android:layout_width="match_parent"
+                    android:layout_height="?attr/actionBarSize"
+                    app:layout_collapseMode="pin"
+                    app:title="@string/setting_top_scan_title" />
+
+            </com.google.android.material.appbar.CollapsingToolbarLayout>
+
+        </com.google.android.material.appbar.AppBarLayout>
+
+        <FrameLayout
+            android:id="@+id/setting_scan_page_container"
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"
+            app:layout_behavior="@string/appbar_scrolling_view_behavior" />
+
+    </androidx.coordinatorlayout.widget.CoordinatorLayout>
 
 </FrameLayout>

feature/setting/src/main/res/values/scan_setting_array.xml

@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <array name="png_quality_array">
+        <item name="5">5</item>
+        <item name="6">6</item>
+        <item name="7">7</item>
+        <item name="8">8</item>
+        <item name="9">9</item>
+    </array>
+
+</resources>

feature/setting/src/main/res/values/setting_integers.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <integer name="png_quality_default">70</integer>
+    <integer name="png_quality_min">5</integer>
+    <integer name="png_quality_max">100</integer>
+</resources>

feature/setting/src/main/res/xml/scan_preferences.xml

@@ -0,0 +1,29 @@
+<?xml version="1.0" encoding="utf-8"?>
+<PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto">
+
+    <PreferenceCategory android:title="@string/setting_scan_quality_title">
+        <SeekBarPreference
+            android:defaultValue="@integer/png_quality_default"
+            android:key="png_quality"
+            android:max="@integer/png_quality_max"
+            android:min="@integer/png_quality_min"
+            android:summary="@string/setting_scan_quality_png_quality_description"
+            android:title="@string/setting_scan_quality_png_quality_title" />
+    </PreferenceCategory>
+    <PreferenceCategory android:title="@string/setting_scan_default_title">
+
+        <EditTextPreference
+            android:defaultValue="Untitled"
+            android:key="new_doc_default_title"
+            android:selectAllOnFocus="true"
+            android:singleLine="true"
+            android:title="@string/setting_scan_default_document_name" />
+        <EditTextPreference
+            android:defaultValue="NewFolder"
+            android:key="new_dir_default_title"
+            android:selectAllOnFocus="true"
+            android:singleLine="true"
+            android:title="@string/setting_scan_default_folder_name" />
+    </PreferenceCategory>
+</PreferenceScreen>

model/src/main/java/one/nem/lacerta/model/VcsRevModel.java

@@ -0,0 +1,80 @@
+package one.nem.lacerta.model;
+
+import java.util.ArrayList;
+import java.util.Date;
+
+public class VcsRevModel {
+
+    String id;
+
+    String documentId;
+
+    String branchName;
+
+    String commitMessage;
+
+    Date createdAt;
+
+    ArrayList<String> logIds;
+
+    public VcsRevModel(String id, String documentId, String branchName, String commitMessage, Date createdAt, ArrayList<String> logIds) {
+        this.id = id;
+        this.documentId = documentId;
+        this.branchName = branchName;
+        this.commitMessage = commitMessage;
+        this.createdAt = createdAt;
+        this.logIds = logIds;
+    }
+
+    // Empty constructor
+    public VcsRevModel() {
+    }
+
+    public String getId() {
+        return id;
+    }
+
+    public String getDocumentId() {
+        return documentId;
+    }
+
+    public String getBranchName() {
+        return branchName;
+    }
+
+    public String getCommitMessage() {
+        return commitMessage;
+    }
+
+    public Date getCreatedAt() {
+        return createdAt;
+    }
+
+    public ArrayList<String> getLogIds() {
+        return logIds;
+    }
+
+    public void setId(String id) {
+        this.id = id;
+    }
+
+    public void setDocumentId(String documentId) {
+        this.documentId = documentId;
+    }
+
+    public void setBranchName(String branchName) {
+        this.branchName = branchName;
+    }
+
+    public void setCommitMessage(String commitMessage) {
+        this.commitMessage = commitMessage;
+    }
+
+    public void setCreatedAt(Date createdAt) {
+        this.createdAt = createdAt;
+    }
+
+    public void setLogIds(ArrayList<String> logIds) {
+        this.logIds = logIds;
+    }
+}

shared/ui/src/main/res/values/strings.xml

@@ -19,6 +19,14 @@
     <string name="setting_top_scan_title">スキャン</string>
     <string name="setting_top_scan_description">画質, 保存先</string>
 
+    <string name="setting_scan_quality_title">画質</string>
+    <string name="setting_scan_quality_png_quality_title">PNG画質</string>
+    <string name="setting_scan_quality_png_quality_description">PNG画質を設定します. 画質が高いほどファイルサイズが大きくなります.</string>
+
+    <string name="setting_scan_default_title">保存先</string>
+    <string name="setting_scan_default_document_name">新規ドキュメントのデフォルトタイトル</string>
+    <string name="setting_scan_default_folder_name">新規フォルダのデフォルト名</string>
+
     <string name="setting_top_display_title">表示</string>
     <string name="setting_top_display_description">テーマ, フォントサイズ</string>
 

source/src/main/java/one/nem/lacerta/source/file/impl/FileManagerImpl.java

@@ -22,6 +22,7 @@ import dagger.assisted.AssistedInject;
 import one.nem.lacerta.source.file.FileManager;
 
 import one.nem.lacerta.utils.LacertaLogger;
+import one.nem.lacerta.utils.Store;
 
 public class FileManagerImpl implements FileManager {
 
@@ -303,7 +304,16 @@ public class FileManagerImpl implements FileManager {
     private void saveBitmapInternal(Bitmap bitmap, Path path) throws IOException {
         try {
             logger.debug("saveBitmapInternal", "path: " + path);
-            bitmap.compress(Bitmap.CompressFormat.PNG, 100, Files.newOutputStream(path));
+            // Bitmapの長辺を1024pxにする
+            int width = bitmap.getWidth();
+            int height = bitmap.getHeight();
+            float scale = 1.0f;
+            if (width > height) {
+                scale = Store.Scan.MAX_RESOLUTION_LONG / width;
+            } else {
+                scale = Store.Scan.MAX_RESOLUTION_LONG / height;
+            }
+            bitmap.compress(new Store.Scan().COMPRESS_FORMAT, Store.Scan.QUALITY, Files.newOutputStream(path));
         } catch (Exception e) {
             logger.error("saveBitmapInternal", e.getMessage());
             throw new IOException("Failed to save bitmap");

utils/src/main/java/one/nem/lacerta/utils/FeatureSwitch.java

@@ -8,7 +8,11 @@ public class FeatureSwitch {
 
     public static class FeatureMaster {
         public static boolean enableSearch = false;
-        public static boolean enableDebugMenu = false;
+        public static boolean enableDebugMenu = true;
+    }
+
+    public static class Vcs {
+        public static boolean disableBranchDisplay = true;
     }
 
     public static class Setting {

utils/src/main/java/one/nem/lacerta/utils/Store.java

@@ -0,0 +1,11 @@
+package one.nem.lacerta.utils;
+
+import android.graphics.Bitmap;
+
+public class Store {
+    public static class Scan {
+        public Bitmap.CompressFormat COMPRESS_FORMAT = Bitmap.CompressFormat.JPEG;
+        public static final int QUALITY = 60;
+        public static final float MAX_RESOLUTION_LONG = 2048;
+    }
+}

vcs/src/main/java/one/nem/lacerta/vcs/LacertaVcs.java

@@ -1,5 +1,10 @@
 package one.nem.lacerta.vcs;
 
+import java.util.ArrayList;
+import java.util.concurrent.CompletableFuture;
+
+import one.nem.lacerta.model.VcsRevModel;
+
 public interface LacertaVcs {
 
     // Actions
@@ -13,6 +18,8 @@ public interface LacertaVcs {
 
     public void generateRevisionAtCurrent(String message);
 
+    public CompletableFuture<ArrayList<VcsRevModel>> getRevisionHistory();
+
 
     // debug
     public void printLog();

vcs/src/main/java/one/nem/lacerta/vcs/impl/LacertaVcsImpl.java

@@ -3,11 +3,13 @@ package one.nem.lacerta.vcs.impl;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.UUID;
+import java.util.concurrent.CompletableFuture;
 
 import javax.inject.Inject;
 
 import dagger.assisted.Assisted;
 import dagger.assisted.AssistedInject;
+import one.nem.lacerta.model.VcsRevModel;
 import one.nem.lacerta.source.database.LacertaDatabase;
 import one.nem.lacerta.source.database.entity.VcsLogEntity;
 import one.nem.lacerta.source.database.entity.VcsRevEntity;
@@ -122,6 +124,27 @@ public class LacertaVcsImpl implements LacertaVcs {
         logger.debug(TAG, "New revision inserted: " + vcsRevEntity.id);
     }
 
+    @Override
+    public CompletableFuture<ArrayList<VcsRevModel>> getRevisionHistory() {
+        return CompletableFuture.supplyAsync(() -> {
+            logger.debug(TAG, "getRevisionHistoryByDocumentId");
+            ArrayList<VcsRevModel> vcsRevModels = new ArrayList<>();
+
+            List<VcsRevEntity> vcsRevEntities = database.vcsRevDao().findByDocumentId(this.documentId);
+            vcsRevEntities.forEach(vcsRevEntity -> {
+                VcsRevModel vcsRevModel = new VcsRevModel();
+                vcsRevModel.setId(vcsRevEntity.id);
+                vcsRevModel.setDocumentId(vcsRevEntity.documentId);
+                vcsRevModel.setBranchName(vcsRevEntity.branchName);
+                vcsRevModel.setCommitMessage(vcsRevEntity.commitMessage);
+                vcsRevModel.setLogIds(vcsRevEntity.logIds);
+                vcsRevModels.add(vcsRevModel);
+            });
+
+            return vcsRevModels;
+        });
+    }
+
     @Override
     public void printLog() {
         logger.debug(TAG, "printLog");