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      1 /*
      2  * Copyright (C) 2013 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 package com.android.gallery3d.filtershow.editors;
     18 
     19 import android.content.Context;
     20 import android.util.Log;
     21 import android.util.SparseArray;
     22 import android.view.MenuItem;
     23 import android.view.View;
     24 import android.view.View.OnClickListener;
     25 import android.widget.Button;
     26 import android.widget.FrameLayout;
     27 import android.widget.LinearLayout;
     28 import android.widget.PopupMenu;
     29 
     30 import com.android.gallery3d.R;
     31 import com.android.gallery3d.filtershow.FilterShowActivity;
     32 import com.android.gallery3d.filtershow.filters.FilterCropRepresentation;
     33 import com.android.gallery3d.filtershow.filters.FilterRepresentation;
     34 import com.android.gallery3d.filtershow.imageshow.ImageCrop;
     35 import com.android.gallery3d.filtershow.imageshow.MasterImage;
     36 
     37 public class EditorCrop extends Editor implements EditorInfo {
     38     public static final String TAG = EditorCrop.class.getSimpleName();
     39     public static final int ID = R.id.editorCrop;
     40 
     41     // Holder for an aspect ratio it's string id
     42     protected static final class AspectInfo {
     43         int mAspectX;
     44         int mAspectY;
     45         int mStringId;
     46         AspectInfo(int stringID, int x, int y) {
     47             mStringId = stringID;
     48             mAspectX = x;
     49             mAspectY = y;
     50         }
     51     };
     52 
     53     // Mapping from menu id to aspect ratio
     54     protected static final SparseArray<AspectInfo> sAspects;
     55     static {
     56         sAspects = new SparseArray<AspectInfo>();
     57         sAspects.put(R.id.crop_menu_1to1, new AspectInfo(R.string.aspect1to1_effect, 1, 1));
     58         sAspects.put(R.id.crop_menu_4to3, new AspectInfo(R.string.aspect4to3_effect, 4, 3));
     59         sAspects.put(R.id.crop_menu_3to4, new AspectInfo(R.string.aspect3to4_effect, 3, 4));
     60         sAspects.put(R.id.crop_menu_5to7, new AspectInfo(R.string.aspect5to7_effect, 5, 7));
     61         sAspects.put(R.id.crop_menu_7to5, new AspectInfo(R.string.aspect7to5_effect, 7, 5));
     62         sAspects.put(R.id.crop_menu_none, new AspectInfo(R.string.aspectNone_effect, 0, 0));
     63         sAspects.put(R.id.crop_menu_original, new AspectInfo(R.string.aspectOriginal_effect, 0, 0));
     64     }
     65 
     66     protected ImageCrop mImageCrop;
     67     private String mAspectString = "";
     68 
     69     public EditorCrop() {
     70         super(ID);
     71         mChangesGeometry = true;
     72     }
     73 
     74     @Override
     75     public void createEditor(Context context, FrameLayout frameLayout) {
     76         super.createEditor(context, frameLayout);
     77         if (mImageCrop == null) {
     78             mImageCrop = new ImageCrop(context);
     79         }
     80         mView = mImageShow = mImageCrop;
     81         mImageCrop.setEditor(this);
     82     }
     83 
     84     @Override
     85     public void reflectCurrentFilter() {
     86         MasterImage master = MasterImage.getImage();
     87         master.setCurrentFilterRepresentation(master.getPreset()
     88                 .getFilterWithSerializationName(FilterCropRepresentation.SERIALIZATION_NAME));
     89         super.reflectCurrentFilter();
     90         FilterRepresentation rep = getLocalRepresentation();
     91         if (rep == null || rep instanceof FilterCropRepresentation) {
     92             mImageCrop.setFilterCropRepresentation((FilterCropRepresentation) rep);
     93         } else {
     94             Log.w(TAG, "Could not reflect current filter, not of type: "
     95                     + FilterCropRepresentation.class.getSimpleName());
     96         }
     97         mImageCrop.invalidate();
     98     }
     99 
    100     @Override
    101     public void finalApplyCalled() {
    102         commitLocalRepresentation(mImageCrop.getFinalRepresentation());
    103     }
    104 
    105     @Override
    106     public void openUtilityPanel(final LinearLayout accessoryViewList) {
    107         Button view = (Button) accessoryViewList.findViewById(R.id.applyEffect);
    108         view.setText(mContext.getString(R.string.crop));
    109         view.setOnClickListener(new OnClickListener() {
    110             @Override
    111             public void onClick(View arg0) {
    112                 showPopupMenu(accessoryViewList);
    113             }
    114         });
    115     }
    116 
    117     private void changeCropAspect(int itemId) {
    118         AspectInfo info = sAspects.get(itemId);
    119         if (info == null) {
    120             throw new IllegalArgumentException("Invalid resource ID: " + itemId);
    121         }
    122         if (itemId == R.id.crop_menu_original) {
    123             mImageCrop.applyOriginalAspect();
    124         } else if (itemId == R.id.crop_menu_none) {
    125             mImageCrop.applyFreeAspect();
    126         } else {
    127             mImageCrop.applyAspect(info.mAspectX, info.mAspectY);
    128         }
    129         setAspectString(mContext.getString(info.mStringId));
    130     }
    131 
    132     private void showPopupMenu(LinearLayout accessoryViewList) {
    133         final Button button = (Button) accessoryViewList.findViewById(R.id.applyEffect);
    134         final PopupMenu popupMenu = new PopupMenu(mImageShow.getActivity(), button);
    135         popupMenu.getMenuInflater().inflate(R.menu.filtershow_menu_crop, popupMenu.getMenu());
    136         popupMenu.setOnMenuItemClickListener(new PopupMenu.OnMenuItemClickListener() {
    137             @Override
    138             public boolean onMenuItemClick(MenuItem item) {
    139                 changeCropAspect(item.getItemId());
    140                 return true;
    141             }
    142         });
    143         popupMenu.show();
    144         ((FilterShowActivity)mContext).onShowMenu(popupMenu);
    145     }
    146 
    147     @Override
    148     public void setUtilityPanelUI(View actionButton, View editControl) {
    149         super.setUtilityPanelUI(actionButton,editControl);
    150         setMenuIcon(true);
    151     }
    152 
    153     @Override
    154     public boolean showsSeekBar() {
    155         return false;
    156     }
    157 
    158     @Override
    159     public int getTextId() {
    160         return R.string.crop;
    161     }
    162 
    163     @Override
    164     public int getOverlayId() {
    165         return R.drawable.filtershow_button_geometry_crop;
    166     }
    167 
    168     @Override
    169     public boolean getOverlayOnly() {
    170         return true;
    171     }
    172 
    173     private void setAspectString(String s) {
    174         mAspectString = s;
    175     }
    176 }
    177