src/com/android/gallery3d/filtershow/EditorPlaceHolder.java

/*
 * Copyright (C) 2020 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;

import android.view.View;
import android.view.ViewParent;
import android.widget.FrameLayout;

import com.android.gallery3d.filtershow.cache.ImageLoader;
import com.android.gallery3d.filtershow.editors.Editor;
import com.android.gallery3d.filtershow.imageshow.ImageShow;

import java.util.HashMap;
import java.util.Vector;

public class EditorPlaceHolder {
    private static final String LOGTAG = "EditorPlaceHolder";

    private FilterShowActivity mActivity = null;
    private FrameLayout mContainer = null;
    private HashMap<Integer, Editor> mEditors = new HashMap<Integer, Editor>();
    private Vector<ImageShow> mOldViews = new Vector<ImageShow>();

    public EditorPlaceHolder(FilterShowActivity activity) {
        mActivity = activity;
    }

    public void setContainer(FrameLayout container) {
        mContainer = container;
    }

    public void addEditor(Editor c) {
        mEditors.put(c.getID(), c);
    }

    public boolean contains(int type) {
        if (mEditors.get(type) != null) {
            return true;
        }
        return false;
    }

    public Editor showEditor(int type) {
        Editor editor = mEditors.get(type);
        if (editor == null) {
            return null;
        }

        editor.createEditor(mActivity, mContainer);
        editor.getImageShow().attach();
        mContainer.setVisibility(View.VISIBLE);
        mContainer.removeAllViews();
        View eview = editor.getTopLevelView();
        ViewParent parent = eview.getParent();

        if (parent != null && parent instanceof FrameLayout) {
            ((FrameLayout) parent).removeAllViews();
        }

        mContainer.addView(eview);
        hideOldViews();
        editor.setVisibility(View.VISIBLE);
        return editor;
    }

    public void setOldViews(Vector<ImageShow> views) {
        mOldViews = views;
    }

    public void hide() {
        mContainer.setVisibility(View.GONE);
    }

    public void hideOldViews() {
        for (View view : mOldViews) {
            view.setVisibility(View.GONE);
        }
    }

    public Editor getEditor(int editorId) {
        return mEditors.get(editorId);
    }

}