FilterShowActivity.java revision 588c30c74178bc399b043a5401f0c1f93ae22378 
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
17package com.android.gallery3d.filtershow;
18
19import android.annotation.TargetApi;
20import android.app.ActionBar;
21import android.app.Activity;
22import android.app.ProgressDialog;
23import android.app.WallpaperManager;
24import android.content.ContentValues;
25import android.content.Context;
26import android.content.Intent;
27import android.content.res.Configuration;
28import android.content.res.Resources;
29import android.graphics.Bitmap;
30import android.graphics.BitmapFactory;
31import android.graphics.Color;
32import android.graphics.Point;
33import android.graphics.drawable.BitmapDrawable;
34import android.graphics.drawable.Drawable;
35import android.net.Uri;
36import android.os.AsyncTask;
37import android.os.Bundle;
38import android.provider.MediaStore;
39import android.util.DisplayMetrics;
40import android.util.Log;
41import android.util.TypedValue;
42import android.view.Display;
43import android.view.LayoutInflater;
44import android.view.Menu;
45import android.view.MenuItem;
46import android.view.View;
47import android.view.View.OnClickListener;
48import android.view.WindowManager;
49import android.widget.AdapterView;
50import android.widget.AdapterView.OnItemClickListener;
51import android.widget.FrameLayout;
52import android.widget.ImageButton;
53import android.widget.LinearLayout;
54import android.widget.ListView;
55import android.widget.SeekBar;
56import android.widget.ShareActionProvider;
57import android.widget.ShareActionProvider.OnShareTargetSelectedListener;
58import android.widget.Toast;
59
60import com.android.gallery3d.R;
61import com.android.gallery3d.data.LocalAlbum;
62import com.android.gallery3d.filtershow.cache.FilteringPipeline;
63import com.android.gallery3d.filtershow.cache.ImageLoader;
64import com.android.gallery3d.filtershow.editors.BasicEditor;
65import com.android.gallery3d.filtershow.editors.EditorDraw;
66import com.android.gallery3d.filtershow.editors.EditorManager;
67import com.android.gallery3d.filtershow.filters.*;
68import com.android.gallery3d.filtershow.imageshow.ImageCrop;
69import com.android.gallery3d.filtershow.imageshow.ImageDraw;
70import com.android.gallery3d.filtershow.imageshow.ImageFlip;
71import com.android.gallery3d.filtershow.imageshow.ImageRedEyes;
72import com.android.gallery3d.filtershow.imageshow.ImageRotate;
73import com.android.gallery3d.filtershow.imageshow.ImageShow;
74import com.android.gallery3d.filtershow.imageshow.ImageStraighten;
75import com.android.gallery3d.filtershow.imageshow.ImageTinyPlanet;
76import com.android.gallery3d.filtershow.imageshow.ImageZoom;
77import com.android.gallery3d.filtershow.imageshow.MasterImage;
78import com.android.gallery3d.filtershow.presets.ImagePreset;
79import com.android.gallery3d.filtershow.provider.SharedImageProvider;
80import com.android.gallery3d.filtershow.tools.SaveCopyTask;
81import com.android.gallery3d.filtershow.ui.FilterIconButton;
82import com.android.gallery3d.filtershow.ui.FramedTextButton;
83import com.android.gallery3d.filtershow.ui.Spline;
84import com.android.gallery3d.util.GalleryUtils;
85
86import java.io.File;
87import java.io.IOException;
88import java.lang.ref.WeakReference;
89import java.util.Vector;
90
91@TargetApi(16)
92public class FilterShowActivity extends Activity implements OnItemClickListener,
93        OnShareTargetSelectedListener {
94
95    // fields for supporting crop action
96    public static final String CROP_ACTION = "com.android.camera.action.CROP";
97    private CropExtras mCropExtras = null;
98    MasterImage mMasterImage = null;
99
100    public static final String TINY_PLANET_ACTION = "com.android.camera.action.TINY_PLANET";
101    public static final String LAUNCH_FULLSCREEN = "launch-fullscreen";
102    public static final int MAX_BMAP_IN_INTENT = 990000;
103    private final PanelController mPanelController = new PanelController();
104    private ImageLoader mImageLoader = null;
105    private ImageShow mImageShow = null;
106    private ImageRedEyes mImageRedEyes = null;
107    private ImageDraw mImageDraw = null;
108    private ImageStraighten mImageStraighten = null;
109    private ImageCrop mImageCrop = null;
110    private ImageRotate mImageRotate = null;
111    private ImageFlip mImageFlip = null;
112    private ImageTinyPlanet mImageTinyPlanet = null;
113
114    private View mListFx = null;
115    private View mListBorders = null;
116    private View mListGeometry = null;
117    private View mListColors = null;
118    private View mListFilterButtons = null;
119    private View mSaveButton = null;
120
121    private ImageButton mFxButton = null;
122    private ImageButton mBorderButton = null;
123    private ImageButton mGeometryButton = null;
124    private ImageButton mColorsButton = null;
125
126    private LinearLayout listColors = null;
127    private LinearLayout listFilters = null;
128    private LinearLayout listBorders = null;
129
130    private EditorPlaceHolder mEditorPlaceHolder = new EditorPlaceHolder(this);
131
132    private static final int SELECT_PICTURE = 1;
133    private static final String LOGTAG = "FilterShowActivity";
134    protected static final boolean ANIMATE_PANELS = true;
135    private static int mImageBorderSize = 4; // in percent
136
137    private boolean mShowingHistoryPanel = false;
138    private boolean mShowingImageStatePanel = false;
139
140    private final Vector<ImageShow> mImageViews = new Vector<ImageShow>();
141    private final Vector<View> mListViews = new Vector<View>();
142    private final Vector<ImageButton> mBottomPanelButtons = new Vector<ImageButton>();
143
144    private ShareActionProvider mShareActionProvider;
145    private File mSharedOutputFile = null;
146
147    private boolean mSharingImage = false;
148
149    private WeakReference<ProgressDialog> mSavingProgressDialog;
150    private static final int SEEK_BAR_MAX = 600;
151
152    private LoadBitmapTask mLoadBitmapTask;
153    private FilterIconButton mNullFxFilter;
154    private FilterIconButton mNullBorderFilter;
155    private int mIconSeedSize = 140;
156
157    @Override
158    public void onCreate(Bundle savedInstanceState) {
159        super.onCreate(savedInstanceState);
160        setResources();
161
162        Resources res = getResources();
163        setupMasterImage();
164        ImageFilterRS.setRenderScriptContext(this);
165
166        ImageShow.setDefaultBackgroundColor(res.getColor(R.color.background_screen));
167        // TODO: get those values from XML.
168        ImageZoom.setZoomedSize(getPixelsFromDip(256));
169        FramedTextButton.setTextSize((int) getPixelsFromDip(14));
170        FramedTextButton.setTrianglePadding((int) getPixelsFromDip(4));
171        FramedTextButton.setTriangleSize((int) getPixelsFromDip(10));
172        ImageShow.setTextSize((int) getPixelsFromDip(12));
173        ImageShow.setTextPadding((int) getPixelsFromDip(10));
174        ImageShow.setOriginalTextMargin((int) getPixelsFromDip(4));
175        ImageShow.setOriginalTextSize((int) getPixelsFromDip(18));
176        ImageShow.setOriginalText(res.getString(R.string.original_picture_text));
177        mIconSeedSize = res.getDimensionPixelSize(R.dimen.thumbnail_size);
178
179        Drawable curveHandle = res.getDrawable(R.drawable.camera_crop);
180        int curveHandleSize = (int) res.getDimension(R.dimen.crop_indicator_size);
181        Spline.setCurveHandle(curveHandle, curveHandleSize);
182        Spline.setCurveWidth((int) getPixelsFromDip(3));
183
184        setContentView(R.layout.filtershow_activity);
185        ActionBar actionBar = getActionBar();
186        actionBar.setDisplayOptions(ActionBar.DISPLAY_SHOW_CUSTOM);
187        actionBar.setCustomView(R.layout.filtershow_actionbar);
188
189        mSaveButton = actionBar.getCustomView();
190        mSaveButton.setOnClickListener(new OnClickListener() {
191            @Override
192            public void onClick(View view) {
193                saveImage();
194            }
195        });
196
197        mImageLoader = new ImageLoader(this, getApplicationContext());
198
199        listFilters = (LinearLayout) findViewById(R.id.listFilters);
200        listBorders = (LinearLayout) findViewById(R.id.listBorders);
201        listColors = (LinearLayout) findViewById(R.id.listColorsFx);
202
203        mImageShow = (ImageShow) findViewById(R.id.imageShow);
204        mImageStraighten = (ImageStraighten) findViewById(R.id.imageStraighten);
205        mImageCrop = (ImageCrop) findViewById(R.id.imageCrop);
206        mImageRotate = (ImageRotate) findViewById(R.id.imageRotate);
207        mImageFlip = (ImageFlip) findViewById(R.id.imageFlip);
208        mImageTinyPlanet = (ImageTinyPlanet) findViewById(R.id.imageTinyPlanet);
209        mImageRedEyes = (ImageRedEyes) findViewById(R.id.imageRedEyes);
210        mImageDraw = (ImageDraw) findViewById(R.id.imageDraw);
211
212        mImageCrop.setAspectTextSize((int) getPixelsFromDip(18));
213        ImageCrop.setTouchTolerance((int) getPixelsFromDip(25));
214        ImageCrop.setMinCropSize((int) getPixelsFromDip(55));
215        mImageViews.add(mImageShow);
216        mImageViews.add(mImageStraighten);
217        mImageViews.add(mImageCrop);
218        mImageViews.add(mImageRotate);
219        mImageViews.add(mImageFlip);
220        mImageViews.add(mImageTinyPlanet);
221        mImageViews.add(mImageRedEyes);
222
223        mEditorPlaceHolder.setContainer((FrameLayout) findViewById(R.id.editorContainer));
224        mEditorPlaceHolder.addEditor(new EditorDraw());
225        mEditorPlaceHolder.addEditor(new BasicEditor());
226        EditorManager.addEditors(mEditorPlaceHolder);
227        mEditorPlaceHolder.setOldViews(mImageViews);
228        mEditorPlaceHolder.setImageLoader(mImageLoader);
229
230        mListFx = findViewById(R.id.fxList);
231        mListBorders = findViewById(R.id.bordersList);
232        mListGeometry = findViewById(R.id.geometryList);
233        mListFilterButtons = findViewById(R.id.filterButtonsList);
234        mListColors = findViewById(R.id.colorsFxList);
235        mListViews.add(mListFx);
236        mListViews.add(mListBorders);
237        mListViews.add(mListGeometry);
238        mListViews.add(mListFilterButtons);
239        mListViews.add(mListColors);
240
241        mFxButton = (ImageButton) findViewById(R.id.fxButton);
242        mBorderButton = (ImageButton) findViewById(R.id.borderButton);
243        mGeometryButton = (ImageButton) findViewById(R.id.geometryButton);
244        mColorsButton = (ImageButton) findViewById(R.id.colorsButton);
245
246        mBottomPanelButtons.add(mFxButton);
247        mBottomPanelButtons.add(mBorderButton);
248        mBottomPanelButtons.add(mGeometryButton);
249        mBottomPanelButtons.add(mColorsButton);
250
251        mImageShow.setImageLoader(mImageLoader);
252        mImageStraighten.setImageLoader(mImageLoader);
253        mImageCrop.setImageLoader(mImageLoader);
254        mImageRotate.setImageLoader(mImageLoader);
255        mImageFlip.setImageLoader(mImageLoader);
256        mImageTinyPlanet.setImageLoader(mImageLoader);
257        mImageRedEyes.setImageLoader(mImageLoader);
258        mImageDraw.setImageLoader(mImageLoader);
259
260        mPanelController.setActivity(this);
261        mPanelController.setEditorPlaceHolder(mEditorPlaceHolder);
262
263        mPanelController.addImageView(findViewById(R.id.imageShow));
264        mPanelController.addImageView(findViewById(R.id.imageStraighten));
265        mPanelController.addImageView(findViewById(R.id.imageCrop));
266        mPanelController.addImageView(findViewById(R.id.imageRotate));
267        mPanelController.addImageView(findViewById(R.id.imageFlip));
268        mPanelController.addImageView(findViewById(R.id.imageTinyPlanet));
269        mPanelController.addImageView(findViewById(R.id.imageRedEyes));
270        mPanelController.addImageView(findViewById(R.id.imageDraw));
271
272        mPanelController.addPanel(mFxButton, mListFx, 0);
273        mPanelController.addPanel(mBorderButton, mListBorders, 1);
274
275        mPanelController.addPanel(mGeometryButton, mListGeometry, 2);
276        mPanelController.addComponent(mGeometryButton, findViewById(R.id.straightenButton));
277        mPanelController.addComponent(mGeometryButton, findViewById(R.id.cropButton));
278        mPanelController.addComponent(mGeometryButton, findViewById(R.id.rotateButton));
279        mPanelController.addComponent(mGeometryButton, findViewById(R.id.flipButton));
280        mPanelController.addComponent(mGeometryButton, findViewById(R.id.redEyeButton));
281
282        mPanelController.addPanel(mColorsButton, mListColors, 3);
283
284        Vector<ImageFilter> filters = new Vector<ImageFilter>();
285        FiltersManager.addFilters(filters, mImageLoader);
286
287        for (ImageFilter filter : filters) {
288            filter.setName(getString(filter.getTextId()));
289            setupFilterButton(filter, listColors, mColorsButton);
290        }
291        mPanelController.addFilter(new ImageFilterRedEye());
292
293        mPanelController.addView(findViewById(R.id.applyEffect));
294        findViewById(R.id.resetOperationsButton).setOnClickListener(
295                createOnClickResetOperationsButton());
296
297        ListView operationsList = (ListView) findViewById(R.id.operationsList);
298        operationsList.setAdapter(mMasterImage.getHistory());
299        operationsList.setOnItemClickListener(this);
300        ListView imageStateList = (ListView) findViewById(R.id.imageStateList);
301        imageStateList.setAdapter(mMasterImage.getState());
302        mImageLoader.setAdapter(mMasterImage.getHistory());
303
304        fillListImages(listFilters);
305        LoadBordersTask loadBorders = new LoadBordersTask(listBorders);
306        loadBorders.execute();
307
308        SeekBar seekBar = (SeekBar) findViewById(R.id.filterSeekBar);
309        seekBar.setMax(SEEK_BAR_MAX);
310
311        mImageShow.setSeekBar(seekBar);
312        mImageTinyPlanet.setSeekBar(seekBar);
313        mPanelController.setRowPanel(findViewById(R.id.secondRowPanel));
314        mPanelController.setUtilityPanel(this, findViewById(R.id.filterButtonsList),
315                findViewById(R.id.panelAccessoryViewList),
316                findViewById(R.id.applyEffect));
317
318        mPanelController.setCurrentPanel(mFxButton);
319        Intent intent = getIntent();
320        if (intent.getBooleanExtra(LAUNCH_FULLSCREEN, false)) {
321            getWindow().addFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN);
322        }
323
324        if (intent.getData() != null) {
325            startLoadBitmap(intent.getData());
326        } else {
327            pickImage();
328        }
329
330        // Handle behavior for various actions
331        String action = intent.getAction();
332        if (action.equalsIgnoreCase(CROP_ACTION)) {
333            Bundle extras = intent.getExtras();
334            if (extras != null) {
335                mCropExtras = new CropExtras(extras.getInt(CropExtras.KEY_OUTPUT_X, 0),
336                        extras.getInt(CropExtras.KEY_OUTPUT_Y, 0),
337                        extras.getBoolean(CropExtras.KEY_SCALE, true) &&
338                                extras.getBoolean(CropExtras.KEY_SCALE_UP_IF_NEEDED, false),
339                        extras.getInt(CropExtras.KEY_ASPECT_X, 0),
340                        extras.getInt(CropExtras.KEY_ASPECT_Y, 0),
341                        extras.getBoolean(CropExtras.KEY_SET_AS_WALLPAPER, false),
342                        extras.getBoolean(CropExtras.KEY_RETURN_DATA, false),
343                        (Uri) extras.getParcelable(MediaStore.EXTRA_OUTPUT),
344                        extras.getString(CropExtras.KEY_OUTPUT_FORMAT),
345                        extras.getBoolean(CropExtras.KEY_SHOW_WHEN_LOCKED, false),
346                        extras.getFloat(CropExtras.KEY_SPOTLIGHT_X),
347                        extras.getFloat(CropExtras.KEY_SPOTLIGHT_Y));
348
349                if (mCropExtras.getShowWhenLocked()) {
350                    getWindow().addFlags(WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED);
351                }
352                mImageShow.getImagePreset().mGeoData.setCropExtras(mCropExtras);
353
354                mImageCrop.setExtras(mCropExtras);
355                String s = getString(R.string.Fixed);
356                mImageCrop.setAspectString(s);
357                mImageCrop.setCropActionFlag(true);
358                mPanelController.setFixedAspect(mCropExtras.getAspectX() > 0
359                        && mCropExtras.getAspectY() > 0);
360            }
361            mPanelController.showComponent(findViewById(R.id.cropButton));
362        } else if (action.equalsIgnoreCase(TINY_PLANET_ACTION)) {
363            mPanelController.showComponent(findViewById(R.id.tinyplanetButton));
364        }
365    }
366
367    private void startLoadBitmap(Uri uri) {
368        final View filters = findViewById(R.id.filtersPanel);
369        final View loading = findViewById(R.id.loading);
370        loading.setVisibility(View.VISIBLE);
371        filters.setVisibility(View.INVISIBLE);
372        View tinyPlanetView = findViewById(R.id.tinyplanetButton);
373        if (tinyPlanetView != null) {
374            tinyPlanetView.setVisibility(View.GONE);
375        }
376        mLoadBitmapTask = new LoadBitmapTask(tinyPlanetView);
377        mLoadBitmapTask.execute(uri);
378    }
379
380    private class LoadBordersTask extends AsyncTask<Void, Boolean, Boolean> {
381        Vector<FilterRepresentation> mBorders;
382        LinearLayout mList;
383
384        public LoadBordersTask(LinearLayout list) {
385            mList = list;
386            mBorders = new Vector<FilterRepresentation>();
387        }
388
389        @Override
390        protected Boolean doInBackground(Void... params) {
391            mBorders.add(new FilterImageBorderRepresentation(0));
392            mBorders.add(new FilterImageBorderRepresentation(R.drawable.filtershow_border_4x5));
393            mBorders.add(new FilterImageBorderRepresentation(R.drawable.filtershow_border_brush));
394            mBorders.add(new FilterImageBorderRepresentation(R.drawable.filtershow_border_grunge));
395            mBorders.add(new FilterImageBorderRepresentation(R.drawable.filtershow_border_sumi_e));
396            mBorders.add(new FilterImageBorderRepresentation(R.drawable.filtershow_border_tape));
397            mBorders.add(new FilterColorBorderRepresentation(Color.BLACK, mImageBorderSize, 0));
398            mBorders.add(new FilterColorBorderRepresentation(Color.BLACK, mImageBorderSize, mImageBorderSize));
399            mBorders.add(new FilterColorBorderRepresentation(Color.WHITE, mImageBorderSize, 0));
400            mBorders.add(new FilterColorBorderRepresentation(Color.WHITE, mImageBorderSize, mImageBorderSize));
401            int creamColor = Color.argb(255, 237, 237, 227);
402            mBorders.add(new FilterColorBorderRepresentation(creamColor, mImageBorderSize, 0));
403            mBorders.add(new FilterColorBorderRepresentation(creamColor, mImageBorderSize, mImageBorderSize));
404            return true;
405        }
406
407        @Override
408        protected void onPostExecute(Boolean result) {
409            if (!result) {
410                return;
411            }
412            for (int i = 0; i < mBorders.size(); i++) {
413                FilterRepresentation filter = mBorders.elementAt(i);
414                filter.setName(getString(R.string.borders));
415                if (i == 0) {
416                    filter.setName(getString(R.string.none));
417                }
418                FilterIconButton b = setupFilterRepresentationButton(filter, mList, mBorderButton);
419                if (i == 0) {
420                    mNullBorderFilter = b;
421                    mNullBorderFilter.setSelected(true);
422                }
423            }
424        }
425    }
426
427    private class LoadBitmapTask extends AsyncTask<Uri, Boolean, Boolean> {
428        View mTinyPlanetButton;
429        int mBitmapSize;
430
431        public LoadBitmapTask(View button) {
432            mTinyPlanetButton = button;
433            mBitmapSize = getScreenImageSize();
434        }
435
436        @Override
437        protected Boolean doInBackground(Uri... params) {
438            if (!mImageLoader.loadBitmap(params[0], mBitmapSize)) {
439                return false;
440            }
441            publishProgress(mImageLoader.queryLightCycle360());
442            return true;
443        }
444
445        @Override
446        protected void onProgressUpdate(Boolean... values) {
447            super.onProgressUpdate(values);
448            if (isCancelled()) {
449                return;
450            }
451            final View filters = findViewById(R.id.filtersPanel);
452            final View loading = findViewById(R.id.loading);
453            loading.setVisibility(View.GONE);
454            filters.setVisibility(View.VISIBLE);
455            if (values[0]) {
456                mTinyPlanetButton.setVisibility(View.VISIBLE);
457            }
458        }
459
460        @Override
461        protected void onPostExecute(Boolean result) {
462
463            if (isCancelled()) {
464                return;
465            }
466
467            if (!result) {
468                cannotLoadImage();
469            }
470
471            Bitmap largeBitmap = mImageLoader.getOriginalBitmapLarge();
472            FilteringPipeline pipeline = FilteringPipeline.getPipeline();
473            pipeline.setOriginal(largeBitmap);
474            float previewScale = (float) largeBitmap.getWidth() / (float) mImageLoader.getOriginalBounds().width();
475            pipeline.setPreviewScaleFactor(previewScale);
476
477            Bitmap bmap = mImageLoader.getOriginalBitmapSmall();
478            if (bmap != null && bmap.getWidth() > 0 && bmap.getHeight() > 0) {
479                float w = bmap.getWidth();
480                float h = bmap.getHeight();
481                float f = mIconSeedSize / Math.min(w, h);
482                w = w * f;
483                h = h * f;
484                bmap = Bitmap.createScaledBitmap(bmap, (int) w, (int) h, true);
485
486                int num_colors_buttons = listColors.getChildCount();
487                for (int i = 0; i < num_colors_buttons; i++) {
488                    FilterIconButton b = (FilterIconButton) listColors.getChildAt(i);
489
490                    b.setIcon(bmap);
491                }
492                int num_filters_buttons = listFilters.getChildCount();
493                for (int i = 0; i < num_filters_buttons; i++) {
494                    FilterIconButton b = (FilterIconButton) listFilters.getChildAt(i);
495
496                    b.setIcon(bmap);
497                }
498                int num_borders_buttons = listBorders.getChildCount();
499                for (int i = 0; i < num_borders_buttons; i++) {
500                    FilterIconButton b = (FilterIconButton) listBorders.getChildAt(i);
501
502                    b.setIcon(bmap);
503                }
504
505            }
506            mLoadBitmapTask = null;
507            super.onPostExecute(result);
508        }
509
510    }
511
512    @Override
513    protected void onDestroy() {
514        if (mLoadBitmapTask != null) {
515            mLoadBitmapTask.cancel(false);
516        }
517        super.onDestroy();
518    }
519
520    private int translateMainPanel(View viewPanel) {
521        int accessoryPanelWidth = viewPanel.getWidth();
522        int mainViewWidth = findViewById(R.id.mainView).getWidth();
523        int mainPanelWidth = mImageShow.getDisplayedImageBounds().width();
524        if (mainPanelWidth == 0) {
525            mainPanelWidth = mainViewWidth;
526        }
527        int filtersPanelWidth = findViewById(R.id.filtersPanel).getWidth();
528        if (mainPanelWidth < filtersPanelWidth) {
529            mainPanelWidth = filtersPanelWidth;
530        }
531        int leftOver = mainViewWidth - mainPanelWidth - accessoryPanelWidth;
532        if (leftOver < 0) {
533            return -accessoryPanelWidth;
534        }
535        return 0;
536    }
537
538    private int getScreenImageSize() {
539        DisplayMetrics metrics = new DisplayMetrics();
540        Display display = getWindowManager().getDefaultDisplay();
541        Point size = new Point();
542        display.getSize(size);
543        display.getMetrics(metrics);
544        int msize = Math.min(size.x, size.y);
545        return (133 * msize) / metrics.densityDpi;
546    }
547
548    private void showSavingProgress(String albumName) {
549        ProgressDialog progress;
550        if (mSavingProgressDialog != null) {
551            progress = mSavingProgressDialog.get();
552            if (progress != null) {
553                progress.show();
554                return;
555            }
556        }
557        // TODO: Allow cancellation of the saving process
558        String progressText;
559        if (albumName == null) {
560            progressText = getString(R.string.saving_image);
561        } else {
562            progressText = getString(R.string.filtershow_saving_image, albumName);
563        }
564        progress = ProgressDialog.show(this, "", progressText, true, false);
565        mSavingProgressDialog = new WeakReference<ProgressDialog>(progress);
566    }
567
568    private void hideSavingProgress() {
569        if (mSavingProgressDialog != null) {
570            ProgressDialog progress = mSavingProgressDialog.get();
571            if (progress != null)
572                progress.dismiss();
573        }
574    }
575
576    public void completeSaveImage(Uri saveUri) {
577        if (mSharingImage && mSharedOutputFile != null) {
578            // Image saved, we unblock the content provider
579            Uri uri = Uri.withAppendedPath(SharedImageProvider.CONTENT_URI,
580                    Uri.encode(mSharedOutputFile.getAbsolutePath()));
581            ContentValues values = new ContentValues();
582            values.put(SharedImageProvider.PREPARE, false);
583            getContentResolver().insert(uri, values);
584        }
585        setResult(RESULT_OK, new Intent().setData(saveUri));
586        hideSavingProgress();
587        finish();
588    }
589
590    @Override
591    public boolean onShareTargetSelected(ShareActionProvider arg0, Intent arg1) {
592        // First, let's tell the SharedImageProvider that it will need to wait
593        // for the image
594        Uri uri = Uri.withAppendedPath(SharedImageProvider.CONTENT_URI,
595                Uri.encode(mSharedOutputFile.getAbsolutePath()));
596        ContentValues values = new ContentValues();
597        values.put(SharedImageProvider.PREPARE, true);
598        getContentResolver().insert(uri, values);
599        mSharingImage = true;
600
601        // Process and save the image in the background.
602        showSavingProgress(null);
603        mImageShow.saveImage(this, mSharedOutputFile);
604        return true;
605    }
606
607    private Intent getDefaultShareIntent() {
608        Intent intent = new Intent(Intent.ACTION_SEND);
609        intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_WHEN_TASK_RESET);
610        intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
611        intent.setType(SharedImageProvider.MIME_TYPE);
612        mSharedOutputFile = SaveCopyTask.getNewFile(this, mImageLoader.getUri());
613        Uri uri = Uri.withAppendedPath(SharedImageProvider.CONTENT_URI,
614                Uri.encode(mSharedOutputFile.getAbsolutePath()));
615        intent.putExtra(Intent.EXTRA_STREAM, uri);
616        return intent;
617    }
618
619    @Override
620    public boolean onCreateOptionsMenu(Menu menu) {
621        getMenuInflater().inflate(R.menu.filtershow_activity_menu, menu);
622        MenuItem showHistory = menu.findItem(R.id.operationsButton);
623        if (mShowingHistoryPanel) {
624            showHistory.setTitle(R.string.hide_history_panel);
625        } else {
626            showHistory.setTitle(R.string.show_history_panel);
627        }
628        MenuItem showState = menu.findItem(R.id.showImageStateButton);
629        if (mShowingImageStatePanel) {
630            showState.setTitle(R.string.hide_imagestate_panel);
631        } else {
632            showState.setTitle(R.string.show_imagestate_panel);
633        }
634        mShareActionProvider = (ShareActionProvider) menu.findItem(R.id.menu_share)
635                .getActionProvider();
636        mShareActionProvider.setShareIntent(getDefaultShareIntent());
637        mShareActionProvider.setOnShareTargetSelectedListener(this);
638
639        MenuItem undoItem = menu.findItem(R.id.undoButton);
640        MenuItem redoItem = menu.findItem(R.id.redoButton);
641        MenuItem resetItem = menu.findItem(R.id.resetHistoryButton);
642        mMasterImage.getHistory().setMenuItems(undoItem, redoItem, resetItem);
643        return true;
644    }
645
646    @Override
647    public void onPause() {
648        super.onPause();
649        if (mShareActionProvider != null) {
650            mShareActionProvider.setOnShareTargetSelectedListener(null);
651        }
652    }
653
654    @Override
655    public void onResume() {
656        super.onResume();
657        if (mShareActionProvider != null) {
658            mShareActionProvider.setOnShareTargetSelectedListener(this);
659        }
660    }
661
662    @Override
663    public boolean onOptionsItemSelected(MenuItem item) {
664        switch (item.getItemId()) {
665            case R.id.undoButton: {
666                HistoryAdapter adapter = mMasterImage.getHistory();
667                int position = adapter.undo();
668                mMasterImage.onHistoryItemClick(position);
669                mImageShow.showToast("Undo");
670                invalidateViews();
671                return true;
672            }
673            case R.id.redoButton: {
674                HistoryAdapter adapter = mMasterImage.getHistory();
675                int position = adapter.redo();
676                mMasterImage.onHistoryItemClick(position);
677                mImageShow.showToast("Redo");
678                invalidateViews();
679                return true;
680            }
681            case R.id.resetHistoryButton: {
682                resetHistory();
683                return true;
684            }
685            case R.id.showImageStateButton: {
686                toggleImageStatePanel();
687                return true;
688            }
689            case R.id.operationsButton: {
690                toggleHistoryPanel();
691                return true;
692            }
693            case android.R.id.home: {
694                saveImage();
695                return true;
696            }
697        }
698        return false;
699    }
700
701    public void enableSave(boolean enable) {
702        if (mSaveButton != null)
703            mSaveButton.setEnabled(enable);
704    }
705
706    public FilterIconButton setupFilterRepresentationButton(FilterRepresentation representation, LinearLayout panel, View button) {
707        LayoutInflater inflater =
708                (LayoutInflater) getSystemService(Context.LAYOUT_INFLATER_SERVICE);
709        FilterIconButton icon = (FilterIconButton) inflater.inflate(R.layout.filtericonbutton,
710                panel, false);
711        String text = representation.getName();
712        icon.setup(text, this, panel);
713        icon.setFilterRepresentation(representation);
714        mPanelController.addComponent(button, icon);
715        panel.addView(icon);
716        return icon;
717    }
718
719    public FilterIconButton setupFilterButton(ImageFilter filter, LinearLayout panel, View button) {
720        LayoutInflater inflater =
721                (LayoutInflater) getSystemService(Context.LAYOUT_INFLATER_SERVICE);
722        FilterIconButton icon = (FilterIconButton) inflater.inflate(R.layout.filtericonbutton,
723                panel, false);
724        String text = filter.getName();
725        if (filter instanceof ImageFilterBorder || filter instanceof ImageFilterParametricBorder) {
726            text = "";
727        }
728        icon.setup(text, filter, this, panel);
729        // TODO: get rid of hasDefaultRepresentation()
730        if (filter.hasDefaultRepresentation()) {
731            icon.setFilterRepresentation(filter.getDefaultRepresentation());
732        }
733        icon.setId(filter.getButtonId());
734        mPanelController.addComponent(button, icon);
735        mPanelController.addFilter(filter);
736        panel.addView(icon);
737        return icon;
738    }
739
740    private void fillListImages(LinearLayout listFilters) {
741        // TODO: use listview
742        // TODO: load the filters straight from the filesystem
743
744        FilterFxRepresentation[] fxArray = new FilterFxRepresentation[18];
745        int p = 0;
746
747        int[] drawid = {
748                R.drawable.filtershow_fx_0005_punch,
749                R.drawable.filtershow_fx_0000_vintage,
750                R.drawable.filtershow_fx_0004_bw_contrast,
751                R.drawable.filtershow_fx_0002_bleach,
752                R.drawable.filtershow_fx_0001_instant,
753                R.drawable.filtershow_fx_0007_washout,
754                R.drawable.filtershow_fx_0003_blue_crush,
755                R.drawable.filtershow_fx_0008_washout_color,
756                R.drawable.filtershow_fx_0006_x_process
757        };
758
759        int[] fxNameid = {
760                R.string.ffx_punch,
761                R.string.ffx_vintage,
762                R.string.ffx_bw_contrast,
763                R.string.ffx_bleach,
764                R.string.ffx_instant,
765                R.string.ffx_washout,
766                R.string.ffx_blue_crush,
767                R.string.ffx_washout_color,
768                R.string.ffx_x_process
769        };
770
771        ImagePreset preset = new ImagePreset(getString(R.string.history_original)); // empty
772        preset.setImageLoader(mImageLoader);
773
774        BitmapFactory.Options o = new BitmapFactory.Options();
775        o.inScaled = false;
776
777        for (int i = 0; i < drawid.length; i++) {
778            Bitmap b = BitmapFactory.decodeResource(getResources(), drawid[i], o);
779            FilterFxRepresentation fx = new FilterFxRepresentation(getString(fxNameid[i]), drawid[i], fxNameid[i]);
780            fx.setFxBitmap(b);
781            fxArray[p++] = fx;
782        }
783
784        FilterFxRepresentation nullFx = new FilterFxRepresentation(getString(R.string.none), 0, R.string.none);
785        mNullFxFilter = setupFilterRepresentationButton(nullFx, listFilters, mFxButton);
786        mNullFxFilter.setSelected(true);
787
788        for (int i = 0; i < p; i++) {
789            setupFilterRepresentationButton(fxArray[i], listFilters, mFxButton);
790        }
791
792        // Default preset (original)
793        mMasterImage.setPreset(preset, true);
794    }
795
796    // //////////////////////////////////////////////////////////////////////////////
797    // Some utility functions
798    // TODO: finish the cleanup.
799
800    public void showOriginalViews(boolean value) {
801        for (ImageShow views : mImageViews) {
802            views.showOriginal(value);
803        }
804    }
805
806    public void invalidateViews() {
807        for (ImageShow views : mImageViews) {
808            views.invalidate();
809            views.updateImage();
810        }
811    }
812
813    public void hideListViews() {
814        for (View view : mListViews) {
815            view.setVisibility(View.GONE);
816        }
817    }
818
819    public void hideImageViews() {
820        mImageShow.setShowControls(false); // reset
821        for (View view : mImageViews) {
822            view.setVisibility(View.GONE);
823        }
824        mEditorPlaceHolder.hide();
825    }
826
827    public void unselectBottomPanelButtons() {
828        for (ImageButton button : mBottomPanelButtons) {
829            button.setSelected(false);
830        }
831    }
832
833    public void unselectPanelButtons(Vector<ImageButton> buttons) {
834        for (ImageButton button : buttons) {
835            button.setSelected(false);
836        }
837    }
838
839    public void disableFilterButtons() {
840        for (ImageButton b : mBottomPanelButtons) {
841            b.setEnabled(false);
842            b.setClickable(false);
843            b.setAlpha(0.4f);
844        }
845    }
846
847    public void enableFilterButtons() {
848        for (ImageButton b : mBottomPanelButtons) {
849            b.setEnabled(true);
850            b.setClickable(true);
851            b.setAlpha(1.0f);
852        }
853    }
854
855    // //////////////////////////////////////////////////////////////////////////////
856    // imageState panel...
857
858    public boolean isShowingHistoryPanel() {
859        return mShowingHistoryPanel;
860    }
861
862    private void toggleImageStatePanel() {
863        final View view = findViewById(R.id.mainPanel);
864        final View viewList = findViewById(R.id.imageStatePanel);
865
866        if (mShowingHistoryPanel) {
867            findViewById(R.id.historyPanel).setVisibility(View.INVISIBLE);
868            mShowingHistoryPanel = false;
869        }
870
871        int translate = translateMainPanel(viewList);
872        if (!mShowingImageStatePanel) {
873            mShowingImageStatePanel = true;
874            view.animate().setDuration(200).x(translate)
875                    .withLayer().withEndAction(new Runnable() {
876                        @Override
877                        public void run() {
878                            viewList.setAlpha(0);
879                            viewList.setVisibility(View.VISIBLE);
880                            viewList.animate().setDuration(100)
881                                    .alpha(1.0f).start();
882                        }
883                    }).start();
884        } else {
885            mShowingImageStatePanel = false;
886            viewList.setVisibility(View.INVISIBLE);
887            view.animate().setDuration(200).x(0).withLayer()
888                    .start();
889        }
890        invalidateOptionsMenu();
891    }
892
893    @Override
894    public void onConfigurationChanged(Configuration newConfig)
895    {
896        super.onConfigurationChanged(newConfig);
897        setResources();
898        if (mShowingHistoryPanel) {
899            toggleHistoryPanel();
900        }
901    }
902
903    public void setupMasterImage() {
904        HistoryAdapter mHistoryAdapter = new HistoryAdapter(
905                this, R.layout.filtershow_history_operation_row,
906                R.id.rowTextView);
907        ImageStateAdapter mImageStateAdapter = new ImageStateAdapter(this,
908                R.layout.filtershow_imagestate_row);
909
910        MasterImage.reset();
911        mMasterImage = MasterImage.getImage();
912        mMasterImage.setHistoryAdapter(mHistoryAdapter);
913        mMasterImage.setStateAdapter(mImageStateAdapter);
914        mMasterImage.setActivity(this);
915    }
916
917    // //////////////////////////////////////////////////////////////////////////////
918    // history panel...
919
920    public void toggleHistoryPanel() {
921        final View view = findViewById(R.id.mainPanel);
922        final View viewList = findViewById(R.id.historyPanel);
923
924        if (mShowingImageStatePanel) {
925            findViewById(R.id.imageStatePanel).setVisibility(View.INVISIBLE);
926            mShowingImageStatePanel = false;
927        }
928
929        int translate = translateMainPanel(viewList);
930        if (!mShowingHistoryPanel) {
931            mShowingHistoryPanel = true;
932            view.animate().setDuration(200).x(translate)
933                    .withLayer().withEndAction(new Runnable() {
934                        @Override
935                        public void run() {
936                            viewList.setAlpha(0);
937                            viewList.setVisibility(View.VISIBLE);
938                            viewList.animate().setDuration(100)
939                                    .alpha(1.0f).start();
940                        }
941                    }).start();
942        } else {
943            mShowingHistoryPanel = false;
944            viewList.setVisibility(View.INVISIBLE);
945            view.animate().setDuration(200).x(0).withLayer()
946                    .start();
947        }
948        invalidateOptionsMenu();
949    }
950
951    public void dispatchNullFilterClick() {
952        mNullFxFilter.onClick(mNullFxFilter);
953        mNullBorderFilter.onClick(mNullBorderFilter);
954    }
955
956    void resetHistory() {
957        dispatchNullFilterClick();
958        HistoryAdapter adapter = mMasterImage.getHistory();
959        adapter.reset();
960        ImagePreset original = new ImagePreset(adapter.getItem(0));
961        mMasterImage.setPreset(original, true);
962        mPanelController.resetParameters();
963        invalidateViews();
964    }
965
966    // reset button in the history panel.
967    private OnClickListener createOnClickResetOperationsButton() {
968        return new View.OnClickListener() {
969            @Override
970            public void onClick(View v) {
971                resetHistory();
972            }
973        };
974    }
975
976    @Override
977    public void onBackPressed() {
978        if (mPanelController.onBackPressed()) {
979            saveImage();
980        }
981    }
982
983    public void cannotLoadImage() {
984        CharSequence text = getString(R.string.cannot_load_image);
985        Toast toast = Toast.makeText(this, text, Toast.LENGTH_SHORT);
986        toast.show();
987        finish();
988    }
989
990    // //////////////////////////////////////////////////////////////////////////////
991
992    public float getPixelsFromDip(float value) {
993        Resources r = getResources();
994        return TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, value,
995                r.getDisplayMetrics());
996    }
997
998    public void useFilterRepresentation(FilterRepresentation filterRepresentation) {
999        if (filterRepresentation == null) {
1000            return;
1001        }
1002        if (mMasterImage.getCurrentFilterRepresentation() == filterRepresentation) {
1003            return;
1004        }
1005        ImagePreset oldPreset = mMasterImage.getPreset();
1006        ImagePreset copy = new ImagePreset(oldPreset);
1007        FilterRepresentation representation = copy.getRepresentation(filterRepresentation);
1008        if (representation == null) {
1009            copy.addFilter(filterRepresentation);
1010        } else {
1011            if (filterRepresentation.allowsMultipleInstances()) {
1012                representation.useParametersFrom(filterRepresentation);
1013                copy.setHistoryName(filterRepresentation.getName());
1014            }
1015            filterRepresentation = representation;
1016        }
1017        mMasterImage.setPreset(copy, true);
1018        mMasterImage.setCurrentFilterRepresentation(filterRepresentation);
1019        invalidateViews();
1020    }
1021
1022    @Override
1023    public void onItemClick(AdapterView<?> parent, View view, int position,
1024            long id) {
1025        mMasterImage.onHistoryItemClick(position);
1026        invalidateViews();
1027    }
1028
1029    public void pickImage() {
1030        Intent intent = new Intent();
1031        intent.setType("image/*");
1032        intent.setAction(Intent.ACTION_GET_CONTENT);
1033        startActivityForResult(Intent.createChooser(intent, getString(R.string.select_image)),
1034                SELECT_PICTURE);
1035    }
1036
1037    @Override
1038    public void onActivityResult(int requestCode, int resultCode, Intent data) {
1039        if (resultCode == RESULT_OK) {
1040            if (requestCode == SELECT_PICTURE) {
1041                Uri selectedImageUri = data.getData();
1042                startLoadBitmap(selectedImageUri);
1043            }
1044        }
1045    }
1046
1047    private boolean mSaveToExtraUri = false;
1048    private boolean mSaveAsWallpaper = false;
1049    private boolean mReturnAsExtra = false;
1050    private boolean outputted = false;
1051
1052    public void saveImage() {
1053        if (mCropExtras != null) {
1054            if (mCropExtras.getExtraOutput() != null) {
1055                mSaveToExtraUri = true;
1056                outputted = true;
1057            }
1058            if (mCropExtras.getSetAsWallpaper()) {
1059                mSaveAsWallpaper = true;
1060                outputted = true;
1061            }
1062            if (mCropExtras.getReturnData()) {
1063
1064                mReturnAsExtra = true;
1065                outputted = true;
1066            }
1067
1068            if (outputted) {
1069                mImageShow.getImagePreset().mGeoData.setUseCropExtrasFlag(true);
1070                showSavingProgress(null);
1071                mImageShow.returnFilteredResult(this);
1072            }
1073        }
1074        if (!outputted) {
1075            if (mImageShow.hasModifications()) {
1076                // Get the name of the album, to which the image will be saved
1077                File saveDir = SaveCopyTask.getFinalSaveDirectory(this, mImageLoader.getUri());
1078                int bucketId = GalleryUtils.getBucketId(saveDir.getPath());
1079                String albumName = LocalAlbum.getLocalizedName(getResources(), bucketId, null);
1080                showSavingProgress(albumName);
1081                mImageShow.saveImage(this, null);
1082            } else {
1083                done();
1084            }
1085        }
1086    }
1087
1088    public void onFilteredResult(Bitmap filtered) {
1089        Intent intent = new Intent();
1090        intent.putExtra(CropExtras.KEY_CROPPED_RECT, mImageShow.getImageCropBounds());
1091        if (mSaveToExtraUri) {
1092            mImageShow.saveToUri(filtered, mCropExtras.getExtraOutput(),
1093                    mCropExtras.getOutputFormat(), this);
1094        }
1095        if (mSaveAsWallpaper) {
1096            try {
1097                WallpaperManager.getInstance(this).setBitmap(filtered);
1098            } catch (IOException e) {
1099                Log.w(LOGTAG, "fail to set wall paper", e);
1100            }
1101        }
1102        if (mReturnAsExtra) {
1103            if (filtered != null) {
1104                int bmapSize = filtered.getRowBytes() * filtered.getHeight();
1105                /*
1106                 * Max size of Binder transaction buffer is 1Mb, so constrain
1107                 * Bitmap to be somewhat less than this, otherwise we get
1108                 * TransactionTooLargeExceptions.
1109                 */
1110                if (bmapSize > MAX_BMAP_IN_INTENT) {
1111                    Log.w(LOGTAG, "Bitmap too large to be returned via intent");
1112                } else {
1113                    intent.putExtra(CropExtras.KEY_DATA, filtered);
1114                }
1115            }
1116        }
1117        setResult(RESULT_OK, intent);
1118        if (!mSaveToExtraUri) {
1119            done();
1120        }
1121    }
1122
1123    public void done() {
1124        if (outputted) {
1125            hideSavingProgress();
1126        }
1127        finish();
1128    }
1129
1130    private void setResources() {
1131        ImageFilterBorder filterBorder = (ImageFilterBorder) FiltersManager.getManager().getFilter(ImageFilterBorder.class);
1132        filterBorder.setResources(getResources());
1133    }
1134
1135    static {
1136        System.loadLibrary("jni_filtershow_filters");
1137    }
1138
1139}
1140