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      1 /*
      2  * Copyright (C) 2012 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;
     18 
     19 import android.app.ActionBar;
     20 import android.app.AlertDialog;
     21 import android.app.ProgressDialog;
     22 import android.app.WallpaperManager;
     23 import android.content.ContentValues;
     24 import android.content.DialogInterface;
     25 import android.content.Intent;
     26 import android.content.pm.ActivityInfo;
     27 import android.content.res.Configuration;
     28 import android.content.res.Resources;
     29 import android.graphics.Bitmap;
     30 import android.graphics.Point;
     31 import android.graphics.drawable.Drawable;
     32 import android.net.Uri;
     33 import android.os.AsyncTask;
     34 import android.os.Bundle;
     35 import android.support.v4.app.Fragment;
     36 import android.support.v4.app.FragmentActivity;
     37 import android.support.v4.app.FragmentTransaction;
     38 import android.util.DisplayMetrics;
     39 import android.util.Log;
     40 import android.util.TypedValue;
     41 import android.view.Display;
     42 import android.view.Menu;
     43 import android.view.MenuItem;
     44 import android.view.View;
     45 import android.view.View.OnClickListener;
     46 import android.view.WindowManager;
     47 import android.widget.AdapterView;
     48 import android.widget.AdapterView.OnItemClickListener;
     49 import android.widget.FrameLayout;
     50 import android.widget.ShareActionProvider;
     51 import android.widget.ShareActionProvider.OnShareTargetSelectedListener;
     52 
     53 import android.widget.Toast;
     54 import com.android.gallery3d.R;
     55 import com.android.gallery3d.data.LocalAlbum;
     56 import com.android.gallery3d.filtershow.cache.CachingPipeline;
     57 import com.android.gallery3d.filtershow.cache.FilteringPipeline;
     58 import com.android.gallery3d.filtershow.cache.ImageLoader;
     59 import com.android.gallery3d.filtershow.category.*;
     60 import com.android.gallery3d.filtershow.crop.CropExtras;
     61 import com.android.gallery3d.filtershow.editors.*;
     62 import com.android.gallery3d.filtershow.filters.*;
     63 import com.android.gallery3d.filtershow.imageshow.GeometryMetadata;
     64 import com.android.gallery3d.filtershow.imageshow.ImageCrop;
     65 import com.android.gallery3d.filtershow.imageshow.ImageShow;
     66 import com.android.gallery3d.filtershow.imageshow.MasterImage;
     67 import com.android.gallery3d.filtershow.presets.ImagePreset;
     68 import com.android.gallery3d.filtershow.provider.SharedImageProvider;
     69 import com.android.gallery3d.filtershow.state.StateAdapter;
     70 import com.android.gallery3d.filtershow.tools.BitmapTask;
     71 import com.android.gallery3d.filtershow.tools.SaveCopyTask;
     72 import com.android.gallery3d.filtershow.ui.FramedTextButton;
     73 import com.android.gallery3d.filtershow.ui.Spline;
     74 import com.android.gallery3d.util.GalleryUtils;
     75 import com.android.photos.data.GalleryBitmapPool;
     76 
     77 import java.io.File;
     78 import java.io.IOException;
     79 import java.lang.ref.WeakReference;
     80 import java.util.Vector;
     81 
     82 public class FilterShowActivity extends FragmentActivity implements OnItemClickListener,
     83         OnShareTargetSelectedListener {
     84 
     85     // fields for supporting crop action
     86     public static final String CROP_ACTION = "com.android.camera.action.CROP";
     87     private CropExtras mCropExtras = null;
     88     private String mAction = "";
     89     MasterImage mMasterImage = null;
     90 
     91     private static final long LIMIT_SUPPORTS_HIGHRES = 134217728; // 128Mb
     92 
     93     public static final String TINY_PLANET_ACTION = "com.android.camera.action.TINY_PLANET";
     94     public static final String LAUNCH_FULLSCREEN = "launch-fullscreen";
     95     public static final int MAX_BMAP_IN_INTENT = 990000;
     96     private ImageLoader mImageLoader = null;
     97     private ImageShow mImageShow = null;
     98 
     99     private View mSaveButton = null;
    100 
    101     private EditorPlaceHolder mEditorPlaceHolder = new EditorPlaceHolder(this);
    102 
    103     private static final int SELECT_PICTURE = 1;
    104     private static final String LOGTAG = "FilterShowActivity";
    105     protected static final boolean ANIMATE_PANELS = true;
    106 
    107     private boolean mShowingTinyPlanet = false;
    108     private boolean mShowingImageStatePanel = false;
    109 
    110     private final Vector<ImageShow> mImageViews = new Vector<ImageShow>();
    111 
    112     private ShareActionProvider mShareActionProvider;
    113     private File mSharedOutputFile = null;
    114 
    115     private boolean mSharingImage = false;
    116 
    117     private WeakReference<ProgressDialog> mSavingProgressDialog;
    118 
    119     private LoadBitmapTask mLoadBitmapTask;
    120     private boolean mLoading = true;
    121 
    122     private CategoryAdapter mCategoryLooksAdapter = null;
    123     private CategoryAdapter mCategoryBordersAdapter = null;
    124     private CategoryAdapter mCategoryGeometryAdapter = null;
    125     private CategoryAdapter mCategoryFiltersAdapter = null;
    126     private int mCurrentPanel = MainPanel.LOOKS;
    127 
    128     @Override
    129     public void onCreate(Bundle savedInstanceState) {
    130         super.onCreate(savedInstanceState);
    131 
    132         boolean onlyUsePortrait = getResources().getBoolean(R.bool.only_use_portrait);
    133         if (onlyUsePortrait) {
    134             setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT);
    135         }
    136         MasterImage.setMaster(mMasterImage);
    137 
    138         clearGalleryBitmapPool();
    139 
    140         CachingPipeline.createRenderscriptContext(this);
    141         setupMasterImage();
    142         setDefaultValues();
    143         fillEditors();
    144 
    145         loadXML();
    146         loadMainPanel();
    147 
    148         setDefaultPreset();
    149 
    150         processIntent();
    151     }
    152 
    153     public boolean isShowingImageStatePanel() {
    154         return mShowingImageStatePanel;
    155     }
    156 
    157     public void loadMainPanel() {
    158         if (findViewById(R.id.main_panel_container) == null) {
    159             return;
    160         }
    161         MainPanel panel = new MainPanel();
    162         FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
    163         transaction.replace(R.id.main_panel_container, panel, MainPanel.FRAGMENT_TAG);
    164         transaction.commit();
    165     }
    166 
    167     public void loadEditorPanel(FilterRepresentation representation,
    168                                 final Editor currentEditor) {
    169         if (representation.getEditorId() == ImageOnlyEditor.ID) {
    170             currentEditor.getImageShow().select();
    171             currentEditor.reflectCurrentFilter();
    172             return;
    173         }
    174         final int currentId = currentEditor.getID();
    175         Runnable showEditor = new Runnable() {
    176             @Override
    177             public void run() {
    178                 EditorPanel panel = new EditorPanel();
    179                 panel.setEditor(currentId);
    180                 FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
    181                 transaction.remove(getSupportFragmentManager().findFragmentByTag(MainPanel.FRAGMENT_TAG));
    182                 transaction.replace(R.id.main_panel_container, panel, MainPanel.FRAGMENT_TAG);
    183                 transaction.commit();
    184             }
    185         };
    186         Fragment main = getSupportFragmentManager().findFragmentByTag(MainPanel.FRAGMENT_TAG);
    187         boolean doAnimation = false;
    188         if (mShowingImageStatePanel
    189                 && getResources().getConfiguration().orientation == Configuration.ORIENTATION_PORTRAIT) {
    190             doAnimation = true;
    191         }
    192         if (doAnimation && main != null && main instanceof MainPanel) {
    193             MainPanel mainPanel = (MainPanel) main;
    194             View container = mainPanel.getView().findViewById(R.id.category_panel_container);
    195             View bottom = mainPanel.getView().findViewById(R.id.bottom_panel);
    196             int panelHeight = container.getHeight() + bottom.getHeight();
    197             mainPanel.getView().animate().translationY(panelHeight).withEndAction(showEditor).start();
    198         } else {
    199             showEditor.run();
    200         }
    201     }
    202 
    203     private void loadXML() {
    204         setContentView(R.layout.filtershow_activity);
    205 
    206         ActionBar actionBar = getActionBar();
    207         actionBar.setDisplayOptions(ActionBar.DISPLAY_SHOW_CUSTOM);
    208         actionBar.setCustomView(R.layout.filtershow_actionbar);
    209 
    210         mSaveButton = actionBar.getCustomView();
    211         mSaveButton.setOnClickListener(new OnClickListener() {
    212             @Override
    213             public void onClick(View view) {
    214                 saveImage();
    215             }
    216         });
    217 
    218         mImageShow = (ImageShow) findViewById(R.id.imageShow);
    219         mImageViews.add(mImageShow);
    220 
    221         setupEditors();
    222 
    223         mEditorPlaceHolder.hide();
    224 
    225         mImageShow.setImageLoader(mImageLoader);
    226 
    227         fillFx();
    228         fillBorders();
    229         fillGeometry();
    230         fillFilters();
    231 
    232         setupStatePanel();
    233     }
    234 
    235     public void setupStatePanel() {
    236         mImageLoader.setAdapter(mMasterImage.getHistory());
    237     }
    238 
    239     private void fillFilters() {
    240         Vector<FilterRepresentation> filtersRepresentations = new Vector<FilterRepresentation>();
    241         FiltersManager filtersManager = FiltersManager.getManager();
    242         filtersManager.addEffects(filtersRepresentations);
    243 
    244         mCategoryFiltersAdapter = new CategoryAdapter(this);
    245         for (FilterRepresentation representation : filtersRepresentations) {
    246             if (representation.getTextId() != 0) {
    247                 representation.setName(getString(representation.getTextId()));
    248             }
    249             mCategoryFiltersAdapter.add(new Action(this, representation));
    250         }
    251     }
    252 
    253     private void fillGeometry() {
    254         Vector<FilterRepresentation> filtersRepresentations = new Vector<FilterRepresentation>();
    255         FiltersManager filtersManager = FiltersManager.getManager();
    256 
    257         GeometryMetadata geo = new GeometryMetadata();
    258         int[] editorsId = geo.getEditorIds();
    259         for (int i = 0; i < editorsId.length; i++) {
    260             int editorId = editorsId[i];
    261             GeometryMetadata geometry = new GeometryMetadata(geo);
    262             geometry.setEditorId(editorId);
    263             EditorInfo editorInfo = (EditorInfo) mEditorPlaceHolder.getEditor(editorId);
    264             geometry.setTextId(editorInfo.getTextId());
    265             geometry.setOverlayId(editorInfo.getOverlayId());
    266             geometry.setOverlayOnly(editorInfo.getOverlayOnly());
    267             if (geometry.getTextId() != 0) {
    268                 geometry.setName(getString(geometry.getTextId()));
    269             }
    270             filtersRepresentations.add(geometry);
    271         }
    272 
    273         filtersManager.addTools(filtersRepresentations);
    274 
    275         mCategoryGeometryAdapter = new CategoryAdapter(this);
    276         for (FilterRepresentation representation : filtersRepresentations) {
    277             mCategoryGeometryAdapter.add(new Action(this, representation));
    278         }
    279     }
    280 
    281     private void processIntent() {
    282         Intent intent = getIntent();
    283         if (intent.getBooleanExtra(LAUNCH_FULLSCREEN, false)) {
    284             getWindow().addFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN);
    285         }
    286 
    287         mAction = intent.getAction();
    288 
    289         if (intent.getData() != null) {
    290             startLoadBitmap(intent.getData());
    291         } else {
    292             pickImage();
    293         }
    294     }
    295 
    296     private void setupEditors() {
    297         mEditorPlaceHolder.setContainer((FrameLayout) findViewById(R.id.editorContainer));
    298         EditorManager.addEditors(mEditorPlaceHolder);
    299         mEditorPlaceHolder.setOldViews(mImageViews);
    300         mEditorPlaceHolder.setImageLoader(mImageLoader);
    301     }
    302 
    303     private void fillEditors() {
    304         mEditorPlaceHolder.addEditor(new EditorDraw());
    305         mEditorPlaceHolder.addEditor(new BasicEditor());
    306         mEditorPlaceHolder.addEditor(new ImageOnlyEditor());
    307         mEditorPlaceHolder.addEditor(new EditorTinyPlanet());
    308         mEditorPlaceHolder.addEditor(new EditorRedEye());
    309         mEditorPlaceHolder.addEditor(new EditorCrop());
    310         mEditorPlaceHolder.addEditor(new EditorFlip());
    311         mEditorPlaceHolder.addEditor(new EditorRotate());
    312         mEditorPlaceHolder.addEditor(new EditorStraighten());
    313     }
    314 
    315     private void setDefaultValues() {
    316         ImageFilter.setActivityForMemoryToasts(this);
    317 
    318         Resources res = getResources();
    319         FiltersManager.setResources(res);
    320 
    321         CategoryView.setMargin((int) getPixelsFromDip(8));
    322         CategoryView.setTextSize((int) getPixelsFromDip(16));
    323 
    324         ImageShow.setDefaultBackgroundColor(res.getColor(R.color.background_screen));
    325         // TODO: get those values from XML.
    326         FramedTextButton.setTextSize((int) getPixelsFromDip(14));
    327         FramedTextButton.setTrianglePadding((int) getPixelsFromDip(4));
    328         FramedTextButton.setTriangleSize((int) getPixelsFromDip(10));
    329         ImageShow.setTextSize((int) getPixelsFromDip(12));
    330         ImageShow.setTextPadding((int) getPixelsFromDip(10));
    331         ImageShow.setOriginalTextMargin((int) getPixelsFromDip(4));
    332         ImageShow.setOriginalTextSize((int) getPixelsFromDip(18));
    333         ImageShow.setOriginalText(res.getString(R.string.original_picture_text));
    334 
    335         Drawable curveHandle = res.getDrawable(R.drawable.camera_crop);
    336         int curveHandleSize = (int) res.getDimension(R.dimen.crop_indicator_size);
    337         Spline.setCurveHandle(curveHandle, curveHandleSize);
    338         Spline.setCurveWidth((int) getPixelsFromDip(3));
    339 
    340         ImageCrop.setAspectTextSize((int) getPixelsFromDip(18));
    341         ImageCrop.setTouchTolerance((int) getPixelsFromDip(25));
    342         ImageCrop.setMinCropSize((int) getPixelsFromDip(55));
    343     }
    344 
    345     private void startLoadBitmap(Uri uri) {
    346         mLoading = true;
    347         final View loading = findViewById(R.id.loading);
    348         final View imageShow = findViewById(R.id.imageShow);
    349         imageShow.setVisibility(View.INVISIBLE);
    350         loading.setVisibility(View.VISIBLE);
    351         mShowingTinyPlanet = false;
    352         mLoadBitmapTask = new LoadBitmapTask();
    353         mLoadBitmapTask.execute(uri);
    354     }
    355 
    356     private void fillBorders() {
    357         Vector<FilterRepresentation> borders = new Vector<FilterRepresentation>();
    358 
    359         // The "no border" implementation
    360         borders.add(new FilterImageBorderRepresentation(0));
    361 
    362         // Google-build borders
    363         FiltersManager.getManager().addBorders(this, borders);
    364 
    365         for (int i = 0; i < borders.size(); i++) {
    366             FilterRepresentation filter = borders.elementAt(i);
    367             if (i == 0) {
    368                 filter.setName(getString(R.string.none));
    369             }
    370         }
    371 
    372         mCategoryBordersAdapter = new CategoryAdapter(this);
    373         for (FilterRepresentation representation : borders) {
    374             if (representation.getTextId() != 0) {
    375                 representation.setName(getString(representation.getTextId()));
    376             }
    377             mCategoryBordersAdapter.add(new Action(this, representation, Action.FULL_VIEW));
    378         }
    379     }
    380 
    381     public CategoryAdapter getCategoryLooksAdapter() {
    382         return mCategoryLooksAdapter;
    383     }
    384 
    385     public CategoryAdapter getCategoryBordersAdapter() {
    386         return mCategoryBordersAdapter;
    387     }
    388 
    389     public CategoryAdapter getCategoryGeometryAdapter() {
    390         return mCategoryGeometryAdapter;
    391     }
    392 
    393     public CategoryAdapter getCategoryFiltersAdapter() {
    394         return mCategoryFiltersAdapter;
    395     }
    396 
    397     public void removeFilterRepresentation(FilterRepresentation filterRepresentation) {
    398         if (filterRepresentation == null) {
    399             return;
    400         }
    401         ImagePreset oldPreset = MasterImage.getImage().getPreset();
    402         ImagePreset copy = new ImagePreset(oldPreset);
    403         copy.removeFilter(filterRepresentation);
    404         MasterImage.getImage().setPreset(copy, true);
    405         if (MasterImage.getImage().getCurrentFilterRepresentation() == filterRepresentation) {
    406             FilterRepresentation lastRepresentation = copy.getLastRepresentation();
    407             MasterImage.getImage().setCurrentFilterRepresentation(lastRepresentation);
    408         }
    409     }
    410 
    411     public void useFilterRepresentation(FilterRepresentation filterRepresentation) {
    412         if (filterRepresentation == null) {
    413             return;
    414         }
    415         if (MasterImage.getImage().getCurrentFilterRepresentation() == filterRepresentation) {
    416             return;
    417         }
    418         ImagePreset oldPreset = MasterImage.getImage().getPreset();
    419         ImagePreset copy = new ImagePreset(oldPreset);
    420         FilterRepresentation representation = copy.getRepresentation(filterRepresentation);
    421         if (representation == null) {
    422             copy.addFilter(filterRepresentation);
    423         } else {
    424             if (filterRepresentation.allowsMultipleInstances()) {
    425                 representation.updateTempParametersFrom(filterRepresentation);
    426                 copy.setHistoryName(filterRepresentation.getName());
    427                 representation.synchronizeRepresentation();
    428             }
    429             filterRepresentation = representation;
    430         }
    431         MasterImage.getImage().setPreset(copy, true);
    432         MasterImage.getImage().setCurrentFilterRepresentation(filterRepresentation);
    433     }
    434 
    435     public void showRepresentation(FilterRepresentation representation) {
    436         if (representation == null) {
    437             return;
    438         }
    439         useFilterRepresentation(representation);
    440 
    441         // show representation
    442         Editor mCurrentEditor = mEditorPlaceHolder.showEditor(representation.getEditorId());
    443         loadEditorPanel(representation, mCurrentEditor);
    444     }
    445 
    446     public Editor getEditor(int editorID) {
    447         return mEditorPlaceHolder.getEditor(editorID);
    448     }
    449 
    450     public void setCurrentPanel(int currentPanel) {
    451         mCurrentPanel = currentPanel;
    452     }
    453 
    454     public int getCurrentPanel() {
    455         return mCurrentPanel;
    456     }
    457 
    458     private class LoadBitmapTask extends AsyncTask<Uri, Boolean, Boolean> {
    459         int mBitmapSize;
    460 
    461         public LoadBitmapTask() {
    462             mBitmapSize = getScreenImageSize();
    463         }
    464 
    465         @Override
    466         protected Boolean doInBackground(Uri... params) {
    467             if (!mImageLoader.loadBitmap(params[0], mBitmapSize)) {
    468                 return false;
    469             }
    470             publishProgress(mImageLoader.queryLightCycle360());
    471             return true;
    472         }
    473 
    474         @Override
    475         protected void onProgressUpdate(Boolean... values) {
    476             super.onProgressUpdate(values);
    477             if (isCancelled()) {
    478                 return;
    479             }
    480             if (values[0]) {
    481                 mShowingTinyPlanet = true;
    482             }
    483         }
    484 
    485         @Override
    486         protected void onPostExecute(Boolean result) {
    487             MasterImage.setMaster(mMasterImage);
    488             if (isCancelled()) {
    489                 return;
    490             }
    491 
    492             if (!result) {
    493                 cannotLoadImage();
    494             }
    495 
    496             final View loading = findViewById(R.id.loading);
    497             loading.setVisibility(View.GONE);
    498             final View imageShow = findViewById(R.id.imageShow);
    499             imageShow.setVisibility(View.VISIBLE);
    500 
    501             Bitmap largeBitmap = mImageLoader.getOriginalBitmapLarge();
    502             FilteringPipeline pipeline = FilteringPipeline.getPipeline();
    503             pipeline.setOriginal(largeBitmap);
    504             float previewScale = (float) largeBitmap.getWidth() / (float) mImageLoader.getOriginalBounds().width();
    505             pipeline.setPreviewScaleFactor(previewScale);
    506             Bitmap highresBitmap = mImageLoader.getOriginalBitmapHighres();
    507             if (highresBitmap != null) {
    508                 float highResPreviewScale = (float) highresBitmap.getWidth() / (float) mImageLoader.getOriginalBounds().width();
    509                 pipeline.setHighResPreviewScaleFactor(highResPreviewScale);
    510             }
    511             if (!mShowingTinyPlanet) {
    512                 mCategoryFiltersAdapter.removeTinyPlanet();
    513             }
    514             pipeline.turnOnPipeline(true);
    515             MasterImage.getImage().setOriginalGeometry(largeBitmap);
    516             mCategoryLooksAdapter.imageLoaded();
    517             mCategoryBordersAdapter.imageLoaded();
    518             mCategoryGeometryAdapter.imageLoaded();
    519             mCategoryFiltersAdapter.imageLoaded();
    520             mLoadBitmapTask = null;
    521 
    522             if (mAction == TINY_PLANET_ACTION) {
    523                 showRepresentation(mCategoryFiltersAdapter.getTinyPlanet());
    524             }
    525             mLoading = false;
    526             super.onPostExecute(result);
    527         }
    528 
    529     }
    530 
    531     private void clearGalleryBitmapPool() {
    532         (new AsyncTask<Void, Void, Void>() {
    533             @Override
    534             protected Void doInBackground(Void... params) {
    535                 // Free memory held in Gallery's Bitmap pool.  May be O(n) for n bitmaps.
    536                 GalleryBitmapPool.getInstance().clear();
    537                 return null;
    538             }
    539         }).execute();
    540     }
    541 
    542     @Override
    543     protected void onDestroy() {
    544         if (mLoadBitmapTask != null) {
    545             mLoadBitmapTask.cancel(false);
    546         }
    547         // TODO:  refactor, don't use so many singletons.
    548         FilteringPipeline.getPipeline().turnOnPipeline(false);
    549         MasterImage.reset();
    550         FilteringPipeline.reset();
    551         ImageFilter.resetStatics();
    552         FiltersManager.getPreviewManager().freeRSFilterScripts();
    553         FiltersManager.getManager().freeRSFilterScripts();
    554         FiltersManager.getHighresManager().freeRSFilterScripts();
    555         FiltersManager.reset();
    556         CachingPipeline.destroyRenderScriptContext();
    557         super.onDestroy();
    558     }
    559 
    560     private int getScreenImageSize() {
    561         DisplayMetrics metrics = new DisplayMetrics();
    562         Display display = getWindowManager().getDefaultDisplay();
    563         Point size = new Point();
    564         display.getSize(size);
    565         display.getMetrics(metrics);
    566         int msize = Math.min(size.x, size.y);
    567         return (133 * msize) / metrics.densityDpi;
    568     }
    569 
    570     private void showSavingProgress(String albumName) {
    571         ProgressDialog progress;
    572         if (mSavingProgressDialog != null) {
    573             progress = mSavingProgressDialog.get();
    574             if (progress != null) {
    575                 progress.show();
    576                 return;
    577             }
    578         }
    579         // TODO: Allow cancellation of the saving process
    580         String progressText;
    581         if (albumName == null) {
    582             progressText = getString(R.string.saving_image);
    583         } else {
    584             progressText = getString(R.string.filtershow_saving_image, albumName);
    585         }
    586         progress = ProgressDialog.show(this, "", progressText, true, false);
    587         mSavingProgressDialog = new WeakReference<ProgressDialog>(progress);
    588     }
    589 
    590     private void hideSavingProgress() {
    591         if (mSavingProgressDialog != null) {
    592             ProgressDialog progress = mSavingProgressDialog.get();
    593             if (progress != null)
    594                 progress.dismiss();
    595         }
    596     }
    597 
    598     public void completeSaveImage(Uri saveUri) {
    599         if (mSharingImage && mSharedOutputFile != null) {
    600             // Image saved, we unblock the content provider
    601             Uri uri = Uri.withAppendedPath(SharedImageProvider.CONTENT_URI,
    602                     Uri.encode(mSharedOutputFile.getAbsolutePath()));
    603             ContentValues values = new ContentValues();
    604             values.put(SharedImageProvider.PREPARE, false);
    605             getContentResolver().insert(uri, values);
    606         }
    607         setResult(RESULT_OK, new Intent().setData(saveUri));
    608         hideSavingProgress();
    609         finish();
    610     }
    611 
    612     @Override
    613     public boolean onShareTargetSelected(ShareActionProvider arg0, Intent arg1) {
    614         // First, let's tell the SharedImageProvider that it will need to wait
    615         // for the image
    616         Uri uri = Uri.withAppendedPath(SharedImageProvider.CONTENT_URI,
    617                 Uri.encode(mSharedOutputFile.getAbsolutePath()));
    618         ContentValues values = new ContentValues();
    619         values.put(SharedImageProvider.PREPARE, true);
    620         getContentResolver().insert(uri, values);
    621         mSharingImage = true;
    622 
    623         // Process and save the image in the background.
    624         showSavingProgress(null);
    625         mImageShow.saveImage(this, mSharedOutputFile);
    626         return true;
    627     }
    628 
    629     private Intent getDefaultShareIntent() {
    630         Intent intent = new Intent(Intent.ACTION_SEND);
    631         intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_WHEN_TASK_RESET);
    632         intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
    633         intent.setType(SharedImageProvider.MIME_TYPE);
    634         mSharedOutputFile = SaveCopyTask.getNewFile(this, mImageLoader.getUri());
    635         Uri uri = Uri.withAppendedPath(SharedImageProvider.CONTENT_URI,
    636                 Uri.encode(mSharedOutputFile.getAbsolutePath()));
    637         intent.putExtra(Intent.EXTRA_STREAM, uri);
    638         return intent;
    639     }
    640 
    641     @Override
    642     public boolean onCreateOptionsMenu(Menu menu) {
    643         getMenuInflater().inflate(R.menu.filtershow_activity_menu, menu);
    644         MenuItem showState = menu.findItem(R.id.showImageStateButton);
    645         if (mShowingImageStatePanel) {
    646             showState.setTitle(R.string.hide_imagestate_panel);
    647         } else {
    648             showState.setTitle(R.string.show_imagestate_panel);
    649         }
    650         mShareActionProvider = (ShareActionProvider) menu.findItem(R.id.menu_share)
    651                 .getActionProvider();
    652         mShareActionProvider.setShareIntent(getDefaultShareIntent());
    653         mShareActionProvider.setOnShareTargetSelectedListener(this);
    654 
    655         MenuItem undoItem = menu.findItem(R.id.undoButton);
    656         MenuItem redoItem = menu.findItem(R.id.redoButton);
    657         MenuItem resetItem = menu.findItem(R.id.resetHistoryButton);
    658         mMasterImage.getHistory().setMenuItems(undoItem, redoItem, resetItem);
    659         return true;
    660     }
    661 
    662     @Override
    663     public void onPause() {
    664         super.onPause();
    665         rsPause();
    666         if (mShareActionProvider != null) {
    667             mShareActionProvider.setOnShareTargetSelectedListener(null);
    668         }
    669     }
    670 
    671     @Override
    672     public void onResume() {
    673         super.onResume();
    674         rsResume();
    675         if (mShareActionProvider != null) {
    676             mShareActionProvider.setOnShareTargetSelectedListener(this);
    677         }
    678     }
    679 
    680     private void rsResume() {
    681         ImageFilter.setActivityForMemoryToasts(this);
    682         MasterImage.setMaster(mMasterImage);
    683         if (CachingPipeline.getRenderScriptContext() == null) {
    684             CachingPipeline.createRenderscriptContext(this);
    685         }
    686         FiltersManager.setResources(getResources());
    687         if (!mLoading) {
    688             Bitmap largeBitmap = mImageLoader.getOriginalBitmapLarge();
    689             FilteringPipeline pipeline = FilteringPipeline.getPipeline();
    690             pipeline.setOriginal(largeBitmap);
    691             float previewScale = (float) largeBitmap.getWidth() /
    692                     (float) mImageLoader.getOriginalBounds().width();
    693             pipeline.setPreviewScaleFactor(previewScale);
    694             Bitmap highresBitmap = mImageLoader.getOriginalBitmapHighres();
    695             if (highresBitmap != null) {
    696                 float highResPreviewScale = (float) highresBitmap.getWidth() /
    697                         (float) mImageLoader.getOriginalBounds().width();
    698                 pipeline.setHighResPreviewScaleFactor(highResPreviewScale);
    699             }
    700             pipeline.turnOnPipeline(true);
    701             MasterImage.getImage().setOriginalGeometry(largeBitmap);
    702         }
    703     }
    704 
    705     private void rsPause() {
    706         FilteringPipeline.getPipeline().turnOnPipeline(false);
    707         FilteringPipeline.reset();
    708         ImageFilter.resetStatics();
    709         FiltersManager.getPreviewManager().freeRSFilterScripts();
    710         FiltersManager.getManager().freeRSFilterScripts();
    711         FiltersManager.getHighresManager().freeRSFilterScripts();
    712         FiltersManager.reset();
    713         CachingPipeline.destroyRenderScriptContext();
    714     }
    715 
    716     @Override
    717     public boolean onOptionsItemSelected(MenuItem item) {
    718         switch (item.getItemId()) {
    719             case R.id.undoButton: {
    720                 HistoryAdapter adapter = mMasterImage.getHistory();
    721                 int position = adapter.undo();
    722                 mMasterImage.onHistoryItemClick(position);
    723                 mImageShow.showToast("Undo");
    724                 backToMain();
    725                 invalidateViews();
    726                 return true;
    727             }
    728             case R.id.redoButton: {
    729                 HistoryAdapter adapter = mMasterImage.getHistory();
    730                 int position = adapter.redo();
    731                 mMasterImage.onHistoryItemClick(position);
    732                 mImageShow.showToast("Redo");
    733                 invalidateViews();
    734                 return true;
    735             }
    736             case R.id.resetHistoryButton: {
    737                 resetHistory();
    738                 return true;
    739             }
    740             case R.id.showImageStateButton: {
    741                 toggleImageStatePanel();
    742                 return true;
    743             }
    744             case android.R.id.home: {
    745                 saveImage();
    746                 return true;
    747             }
    748         }
    749         return false;
    750     }
    751 
    752     public void enableSave(boolean enable) {
    753         if (mSaveButton != null)
    754             mSaveButton.setEnabled(enable);
    755     }
    756 
    757     private void fillFx() {
    758         FilterFxRepresentation nullFx =
    759                 new FilterFxRepresentation(getString(R.string.none), 0, R.string.none);
    760         Vector<FilterRepresentation> filtersRepresentations = new Vector<FilterRepresentation>();
    761         FiltersManager.getManager().addLooks(this, filtersRepresentations);
    762 
    763         mCategoryLooksAdapter = new CategoryAdapter(this);
    764         int verticalItemHeight = (int) getResources().getDimension(R.dimen.action_item_height);
    765         mCategoryLooksAdapter.setItemHeight(verticalItemHeight);
    766         mCategoryLooksAdapter.add(new Action(this, nullFx, Action.FULL_VIEW));
    767         for (FilterRepresentation representation : filtersRepresentations) {
    768             mCategoryLooksAdapter.add(new Action(this, representation, Action.FULL_VIEW));
    769         }
    770     }
    771 
    772     public void setDefaultPreset() {
    773         // Default preset (original)
    774         ImagePreset preset = new ImagePreset(getString(R.string.history_original)); // empty
    775         preset.setImageLoader(mImageLoader);
    776 
    777         mMasterImage.setPreset(preset, true);
    778     }
    779 
    780     // //////////////////////////////////////////////////////////////////////////////
    781     // Some utility functions
    782     // TODO: finish the cleanup.
    783 
    784     public void invalidateViews() {
    785         for (ImageShow views : mImageViews) {
    786             views.invalidate();
    787             views.updateImage();
    788         }
    789     }
    790 
    791     public void hideImageViews() {
    792         for (View view : mImageViews) {
    793             view.setVisibility(View.GONE);
    794         }
    795         mEditorPlaceHolder.hide();
    796     }
    797 
    798     // //////////////////////////////////////////////////////////////////////////////
    799     // imageState panel...
    800 
    801     public void toggleImageStatePanel() {
    802         invalidateOptionsMenu();
    803         mShowingImageStatePanel = !mShowingImageStatePanel;
    804         Fragment panel = getSupportFragmentManager().findFragmentByTag(MainPanel.FRAGMENT_TAG);
    805         if (panel != null) {
    806             if (panel instanceof EditorPanel) {
    807                 EditorPanel editorPanel = (EditorPanel) panel;
    808                 editorPanel.showImageStatePanel(mShowingImageStatePanel);
    809             } else if (panel instanceof MainPanel) {
    810                 MainPanel mainPanel = (MainPanel) panel;
    811                 mainPanel.showImageStatePanel(mShowingImageStatePanel);
    812             }
    813         }
    814     }
    815 
    816     @Override
    817     public void onConfigurationChanged(Configuration newConfig)
    818     {
    819         super.onConfigurationChanged(newConfig);
    820         setDefaultValues();
    821         loadXML();
    822         loadMainPanel();
    823 
    824         // mLoadBitmapTask==null implies you have looked at the intent
    825         if (!mShowingTinyPlanet && (mLoadBitmapTask == null)) {
    826             mCategoryFiltersAdapter.removeTinyPlanet();
    827         }
    828         final View loading = findViewById(R.id.loading);
    829         loading.setVisibility(View.GONE);
    830     }
    831 
    832     public void setupMasterImage() {
    833         mImageLoader = new ImageLoader(this, getApplicationContext());
    834 
    835         HistoryAdapter mHistoryAdapter = new HistoryAdapter(
    836                 this, R.layout.filtershow_history_operation_row,
    837                 R.id.rowTextView);
    838 
    839         StateAdapter mImageStateAdapter = new StateAdapter(this, 0);
    840         MasterImage.reset();
    841         mMasterImage = MasterImage.getImage();
    842         mMasterImage.setHistoryAdapter(mHistoryAdapter);
    843         mMasterImage.setStateAdapter(mImageStateAdapter);
    844         mMasterImage.setActivity(this);
    845         mMasterImage.setImageLoader(mImageLoader);
    846 
    847         if (Runtime.getRuntime().maxMemory() > LIMIT_SUPPORTS_HIGHRES) {
    848             mMasterImage.setSupportsHighRes(true);
    849         } else {
    850             mMasterImage.setSupportsHighRes(false);
    851         }
    852     }
    853 
    854     void resetHistory() {
    855         HistoryAdapter adapter = mMasterImage.getHistory();
    856         adapter.reset();
    857         ImagePreset original = new ImagePreset(adapter.getItem(0));
    858         mMasterImage.setPreset(original, true);
    859         invalidateViews();
    860         backToMain();
    861     }
    862 
    863     public void showDefaultImageView() {
    864         mEditorPlaceHolder.hide();
    865         mImageShow.setVisibility(View.VISIBLE);
    866         MasterImage.getImage().setCurrentFilter(null);
    867         MasterImage.getImage().setCurrentFilterRepresentation(null);
    868     }
    869 
    870     public void backToMain() {
    871         Fragment currentPanel = getSupportFragmentManager().findFragmentByTag(MainPanel.FRAGMENT_TAG);
    872         if (currentPanel instanceof MainPanel) {
    873             return;
    874         }
    875         loadMainPanel();
    876         showDefaultImageView();
    877     }
    878 
    879     @Override
    880     public void onBackPressed() {
    881         Fragment currentPanel = getSupportFragmentManager().findFragmentByTag(MainPanel.FRAGMENT_TAG);
    882         if (currentPanel instanceof MainPanel) {
    883             if (!mImageShow.hasModifications()) {
    884                 done();
    885             } else {
    886                 AlertDialog.Builder builder = new AlertDialog.Builder(this);
    887                 builder.setMessage(R.string.unsaved).setTitle(R.string.save_before_exit);
    888                 builder.setPositiveButton(R.string.save_and_exit, new DialogInterface.OnClickListener() {
    889                     public void onClick(DialogInterface dialog, int id) {
    890                         saveImage();
    891                     }
    892                 });
    893                 builder.setNegativeButton(R.string.exit, new DialogInterface.OnClickListener() {
    894                     public void onClick(DialogInterface dialog, int id) {
    895                         done();
    896                     }
    897                 });
    898                 builder.show();
    899             }
    900         } else {
    901             backToMain();
    902         }
    903     }
    904 
    905     public void cannotLoadImage() {
    906         CharSequence text = getString(R.string.cannot_load_image);
    907         Toast toast = Toast.makeText(this, text, Toast.LENGTH_SHORT);
    908         toast.show();
    909         finish();
    910     }
    911 
    912     // //////////////////////////////////////////////////////////////////////////////
    913 
    914     public float getPixelsFromDip(float value) {
    915         Resources r = getResources();
    916         return TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, value,
    917                 r.getDisplayMetrics());
    918     }
    919 
    920     @Override
    921     public void onItemClick(AdapterView<?> parent, View view, int position,
    922             long id) {
    923         mMasterImage.onHistoryItemClick(position);
    924         invalidateViews();
    925     }
    926 
    927     public void pickImage() {
    928         Intent intent = new Intent();
    929         intent.setType("image/*");
    930         intent.setAction(Intent.ACTION_GET_CONTENT);
    931         startActivityForResult(Intent.createChooser(intent, getString(R.string.select_image)),
    932                 SELECT_PICTURE);
    933     }
    934 
    935     @Override
    936     public void onActivityResult(int requestCode, int resultCode, Intent data) {
    937         if (resultCode == RESULT_OK) {
    938             if (requestCode == SELECT_PICTURE) {
    939                 Uri selectedImageUri = data.getData();
    940                 startLoadBitmap(selectedImageUri);
    941             }
    942         }
    943     }
    944 
    945     private boolean mSaveToExtraUri = false;
    946     private boolean mSaveAsWallpaper = false;
    947     private boolean mReturnAsExtra = false;
    948     private boolean mOutputted = false;
    949 
    950     public void saveImage() {
    951         handleSpecialExitCases();
    952         if (!mOutputted) {
    953             if (mImageShow.hasModifications()) {
    954                 // Get the name of the album, to which the image will be saved
    955                 File saveDir = SaveCopyTask.getFinalSaveDirectory(this, mImageLoader.getUri());
    956                 int bucketId = GalleryUtils.getBucketId(saveDir.getPath());
    957                 String albumName = LocalAlbum.getLocalizedName(getResources(), bucketId, null);
    958                 showSavingProgress(albumName);
    959                 mImageShow.saveImage(this, null);
    960             } else {
    961                 done();
    962             }
    963         }
    964     }
    965 
    966     public boolean detectSpecialExitCases() {
    967         return mCropExtras != null && (mCropExtras.getExtraOutput() != null
    968                 || mCropExtras.getSetAsWallpaper() || mCropExtras.getReturnData());
    969     }
    970 
    971     public void handleSpecialExitCases() {
    972         if (mCropExtras != null) {
    973             if (mCropExtras.getExtraOutput() != null) {
    974                 mSaveToExtraUri = true;
    975                 mOutputted = true;
    976             }
    977             if (mCropExtras.getSetAsWallpaper()) {
    978                 mSaveAsWallpaper = true;
    979                 mOutputted = true;
    980             }
    981             if (mCropExtras.getReturnData()) {
    982                 mReturnAsExtra = true;
    983                 mOutputted = true;
    984             }
    985             if (mOutputted) {
    986                 mImageShow.getImagePreset().mGeoData.setUseCropExtrasFlag(true);
    987                 showSavingProgress(null);
    988                 mImageShow.returnFilteredResult(this);
    989             }
    990         }
    991     }
    992 
    993     public void onFilteredResult(Bitmap filtered) {
    994         Intent intent = new Intent();
    995         intent.putExtra(CropExtras.KEY_CROPPED_RECT, mImageShow.getImageCropBounds());
    996         if (mSaveToExtraUri) {
    997             mImageShow.saveToUri(filtered, mCropExtras.getExtraOutput(),
    998                     mCropExtras.getOutputFormat(), this);
    999         }
   1000         if (mSaveAsWallpaper) {
   1001             setWallpaperInBackground(filtered);
   1002         }
   1003         if (mReturnAsExtra) {
   1004             if (filtered != null) {
   1005                 int bmapSize = filtered.getRowBytes() * filtered.getHeight();
   1006                 /*
   1007                  * Max size of Binder transaction buffer is 1Mb, so constrain
   1008                  * Bitmap to be somewhat less than this, otherwise we get
   1009                  * TransactionTooLargeExceptions.
   1010                  */
   1011                 if (bmapSize > MAX_BMAP_IN_INTENT) {
   1012                     Log.w(LOGTAG, "Bitmap too large to be returned via intent");
   1013                 } else {
   1014                     intent.putExtra(CropExtras.KEY_DATA, filtered);
   1015                 }
   1016             }
   1017         }
   1018         setResult(RESULT_OK, intent);
   1019         if (!mSaveToExtraUri) {
   1020             done();
   1021         }
   1022     }
   1023 
   1024     void setWallpaperInBackground(final Bitmap bmap) {
   1025         Toast.makeText(this, R.string.setting_wallpaper, Toast.LENGTH_LONG).show();
   1026         BitmapTask.Callbacks<FilterShowActivity> cb = new BitmapTask.Callbacks<FilterShowActivity>() {
   1027             @Override
   1028             public void onComplete(Bitmap result) {}
   1029 
   1030             @Override
   1031             public void onCancel() {}
   1032 
   1033             @Override
   1034             public Bitmap onExecute(FilterShowActivity param) {
   1035                 try {
   1036                     WallpaperManager.getInstance(param).setBitmap(bmap);
   1037                 } catch (IOException e) {
   1038                     Log.w(LOGTAG, "fail to set wall paper", e);
   1039                 }
   1040                 return null;
   1041             }
   1042         };
   1043         (new BitmapTask<FilterShowActivity>(cb)).execute(this);
   1044     }
   1045 
   1046     public void done() {
   1047         if (mOutputted) {
   1048             hideSavingProgress();
   1049         }
   1050         finish();
   1051     }
   1052 
   1053     static {
   1054         System.loadLibrary("jni_filtershow_filters");
   1055     }
   1056 
   1057 }
   1058