1 files changed, 0 insertions, 172 deletions
diff --git a/src/com/android/gallery3d/filtershow/history/HistoryManager.java b/src/com/android/gallery3d/filtershow/history/HistoryManager.java
deleted file mode 100644
index 755e2ea58..000000000
--- a/src/com/android/gallery3d/filtershow/history/HistoryManager.java
+++ /dev/null
@@ -1,172 +0,0 @@
-/*
- * Copyright (C) 2013 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.android.gallery3d.filtershow.history;
-
-import android.graphics.drawable.Drawable;
-import android.view.MenuItem;
-
-import java.util.Vector;
-
-public class HistoryManager {
-    private static final String LOGTAG = "HistoryManager";
-
-    private Vector<HistoryItem> mHistoryItems = new Vector<HistoryItem>();
-    private int mCurrentPresetPosition = 0;
-    private MenuItem mUndoMenuItem = null;
-    private MenuItem mRedoMenuItem = null;
-    private MenuItem mResetMenuItem = null;
-
-    public void setMenuItems(MenuItem undoItem, MenuItem redoItem, MenuItem resetItem) {
-        mUndoMenuItem = undoItem;
-        mRedoMenuItem = redoItem;
-        mResetMenuItem = resetItem;
-        updateMenuItems();
-    }
-
-    private int getCount() {
-        return mHistoryItems.size();
-    }
-
-    public HistoryItem getItem(int position) {
-        return mHistoryItems.elementAt(position);
-    }
-
-    private void clear() {
-        mHistoryItems.clear();
-    }
-
-    private void add(HistoryItem item) {
-        mHistoryItems.add(item);
-    }
-
-    private void notifyDataSetChanged() {
-        // TODO
-    }
-
-    public boolean canReset() {
-        if (getCount() <= 1) {
-            return false;
-        }
-        return true;
-    }
-
-    public boolean canUndo() {
-        if (mCurrentPresetPosition == getCount() - 1) {
-            return false;
-        }
-        return true;
-    }
-
-    public boolean canRedo() {
-        if (mCurrentPresetPosition == 0) {
-            return false;
-        }
-        return true;
-    }
-
-    public void updateMenuItems() {
-        if (mUndoMenuItem != null) {
-            setEnabled(mUndoMenuItem, canUndo());
-        }
-        if (mRedoMenuItem != null) {
-            setEnabled(mRedoMenuItem, canRedo());
-        }
-        if (mResetMenuItem != null) {
-            setEnabled(mResetMenuItem, canReset());
-        }
-    }
-
-    private void setEnabled(MenuItem item, boolean enabled) {
-        item.setEnabled(enabled);
-        Drawable drawable = item.getIcon();
-        if (drawable != null) {
-            drawable.setAlpha(enabled ? 255 : 80);
-        }
-    }
-
-    public void setCurrentPreset(int n) {
-        mCurrentPresetPosition = n;
-        updateMenuItems();
-        notifyDataSetChanged();
-    }
-
-    public void reset() {
-        if (getCount() == 0) {
-            return;
-        }
-        HistoryItem first = getItem(getCount() - 1);
-        clear();
-        addHistoryItem(first);
-        updateMenuItems();
-    }
-
-    public HistoryItem getLast() {
-        if (getCount() == 0) {
-            return null;
-        }
-        return getItem(0);
-    }
-
-    public HistoryItem getCurrent() {
-        return getItem(mCurrentPresetPosition);
-    }
-
-    public void addHistoryItem(HistoryItem preset) {
-        insert(preset, 0);
-        updateMenuItems();
-    }
-
-    private void insert(HistoryItem preset, int position) {
-        if (mCurrentPresetPosition != 0) {
-            // in this case, let's discount the presets before the current one
-            Vector<HistoryItem> oldItems = new Vector<HistoryItem>();
-            for (int i = mCurrentPresetPosition; i < getCount(); i++) {
-                oldItems.add(getItem(i));
-            }
-            clear();
-            for (int i = 0; i < oldItems.size(); i++) {
-                add(oldItems.elementAt(i));
-            }
-            mCurrentPresetPosition = position;
-            notifyDataSetChanged();
-        }
-        mHistoryItems.insertElementAt(preset, position);
-        mCurrentPresetPosition = position;
-        notifyDataSetChanged();
-    }
-
-    public int redo() {
-        mCurrentPresetPosition--;
-        if (mCurrentPresetPosition < 0) {
-            mCurrentPresetPosition = 0;
-        }
-        notifyDataSetChanged();
-        updateMenuItems();
-        return mCurrentPresetPosition;
-    }
-
-    public int undo() {
-        mCurrentPresetPosition++;
-        if (mCurrentPresetPosition >= getCount()) {
-            mCurrentPresetPosition = getCount() - 1;
-        }
-        notifyDataSetChanged();
-        updateMenuItems();
-        return mCurrentPresetPosition;
-    }
-
-}