FilterShowActivity.java revision d7899c56b8df278dfd6720ae11eadc2f89fe8094 
1
2package com.android.gallery3d.filtershow;
3
4import android.annotation.TargetApi;
5import android.app.ActionBar;
6import android.app.Activity;
7import android.app.ProgressDialog;
8import android.content.ContentValues;
9import android.content.Context;
10import android.content.Intent;
11import android.content.res.Resources;
12import android.graphics.Bitmap;
13import android.graphics.BitmapFactory;
14import android.graphics.Color;
15import android.graphics.Point;
16import android.graphics.drawable.Drawable;
17import android.net.Uri;
18import android.os.Bundle;
19import android.util.DisplayMetrics;
20import android.util.Log;
21import android.util.TypedValue;
22import android.view.Display;
23import android.view.Menu;
24import android.view.MenuItem;
25import android.view.View;
26import android.view.View.OnClickListener;
27import android.widget.AdapterView;
28import android.widget.AdapterView.OnItemClickListener;
29import android.widget.ImageButton;
30import android.widget.LinearLayout;
31import android.widget.ListView;
32import android.widget.SeekBar;
33import android.widget.ShareActionProvider;
34import android.widget.ShareActionProvider.OnShareTargetSelectedListener;
35import android.widget.Toast;
36
37import com.android.gallery3d.R;
38import com.android.gallery3d.data.LocalAlbum;
39import com.android.gallery3d.filtershow.cache.ImageLoader;
40import com.android.gallery3d.filtershow.filters.ImageFilter;
41import com.android.gallery3d.filtershow.filters.ImageFilterBorder;
42import com.android.gallery3d.filtershow.filters.ImageFilterContrast;
43import com.android.gallery3d.filtershow.filters.ImageFilterExposure;
44import com.android.gallery3d.filtershow.filters.ImageFilterFx;
45import com.android.gallery3d.filtershow.filters.ImageFilterHue;
46import com.android.gallery3d.filtershow.filters.ImageFilterParametricBorder;
47import com.android.gallery3d.filtershow.filters.ImageFilterRS;
48import com.android.gallery3d.filtershow.filters.ImageFilterSaturated;
49import com.android.gallery3d.filtershow.filters.ImageFilterShadows;
50import com.android.gallery3d.filtershow.filters.ImageFilterTinyPlanet;
51import com.android.gallery3d.filtershow.filters.ImageFilterVibrance;
52import com.android.gallery3d.filtershow.filters.ImageFilterVignette;
53import com.android.gallery3d.filtershow.filters.ImageFilterWBalance;
54import com.android.gallery3d.filtershow.imageshow.ImageBorder;
55import com.android.gallery3d.filtershow.imageshow.ImageCrop;
56import com.android.gallery3d.filtershow.imageshow.ImageFlip;
57import com.android.gallery3d.filtershow.imageshow.ImageRotate;
58import com.android.gallery3d.filtershow.imageshow.ImageShow;
59import com.android.gallery3d.filtershow.imageshow.ImageSmallBorder;
60import com.android.gallery3d.filtershow.imageshow.ImageSmallFilter;
61import com.android.gallery3d.filtershow.imageshow.ImageStraighten;
62import com.android.gallery3d.filtershow.imageshow.ImageWithIcon;
63import com.android.gallery3d.filtershow.imageshow.ImageZoom;
64import com.android.gallery3d.filtershow.presets.ImagePreset;
65import com.android.gallery3d.filtershow.provider.SharedImageProvider;
66import com.android.gallery3d.filtershow.tools.SaveCopyTask;
67import com.android.gallery3d.filtershow.ui.ImageButtonTitle;
68import com.android.gallery3d.filtershow.ui.ImageCurves;
69import com.android.gallery3d.filtershow.ui.Spline;
70import com.android.gallery3d.util.GalleryUtils;
71
72import java.io.File;
73import java.lang.ref.WeakReference;
74import java.util.Vector;
75
76@TargetApi(16)
77public class FilterShowActivity extends Activity implements OnItemClickListener,
78        OnShareTargetSelectedListener {
79
80    public static final String CROP_ACTION = "com.android.camera.action.CROP";
81    private final PanelController mPanelController = new PanelController();
82    private ImageLoader mImageLoader = null;
83    private ImageShow mImageShow = null;
84    private ImageCurves mImageCurves = null;
85    private ImageBorder mImageBorders = null;
86    private ImageStraighten mImageStraighten = null;
87    private ImageZoom mImageZoom = null;
88    private ImageCrop mImageCrop = null;
89    private ImageRotate mImageRotate = null;
90    private ImageFlip mImageFlip = null;
91
92    private View mListFx = null;
93    private View mListBorders = null;
94    private View mListGeometry = null;
95    private View mListColors = null;
96    private View mListFilterButtons = null;
97
98    private ImageButton mFxButton = null;
99    private ImageButton mBorderButton = null;
100    private ImageButton mGeometryButton = null;
101    private ImageButton mColorsButton = null;
102
103    private ImageSmallFilter mCurrentImageSmallFilter = null;
104    private static final int SELECT_PICTURE = 1;
105    private static final String LOGTAG = "FilterShowActivity";
106    protected static final boolean ANIMATE_PANELS = true;
107    private static int mImageBorderSize = 40;
108
109    private boolean mShowingHistoryPanel = false;
110    private boolean mShowingImageStatePanel = false;
111
112    private final Vector<ImageShow> mImageViews = new Vector<ImageShow>();
113    private final Vector<View> mListViews = new Vector<View>();
114    private final Vector<ImageButton> mBottomPanelButtons = new Vector<ImageButton>();
115
116    private ShareActionProvider mShareActionProvider;
117    private File mSharedOutputFile = null;
118
119    private boolean mSharingImage = false;
120
121    private WeakReference<ProgressDialog> mSavingProgressDialog;
122    private static final int SEEK_BAR_MAX = 600;
123
124    @Override
125    public void onCreate(Bundle savedInstanceState) {
126        super.onCreate(savedInstanceState);
127
128        ImageFilterRS.setRenderScriptContext(this);
129
130        ImageShow.setDefaultBackgroundColor(getResources().getColor(R.color.background_screen));
131        // TODO: get those values from XML.
132        ImageShow.setTextSize((int) getPixelsFromDip(12));
133        ImageShow.setTextPadding((int) getPixelsFromDip(10));
134        ImageButtonTitle.setTextSize((int) getPixelsFromDip(12));
135        ImageButtonTitle.setTextPadding((int) getPixelsFromDip(10));
136        ImageSmallFilter.setMargin((int) getPixelsFromDip(3));
137        ImageSmallFilter.setTextMargin((int) getPixelsFromDip(4));
138        mImageBorderSize = (int) getPixelsFromDip(20);
139        Drawable curveHandle = getResources().getDrawable(R.drawable.camera_crop_holo);
140        int curveHandleSize = (int) getResources().getDimension(R.dimen.crop_indicator_size);
141        Spline.setCurveHandle(curveHandle, curveHandleSize);
142        Spline.setCurveWidth((int) getPixelsFromDip(3));
143
144        setContentView(R.layout.filtershow_activity);
145        ActionBar actionBar = getActionBar();
146        actionBar.setDisplayOptions(ActionBar.DISPLAY_SHOW_CUSTOM);
147        actionBar.setCustomView(R.layout.filtershow_actionbar);
148
149        actionBar.getCustomView().setOnClickListener(new OnClickListener() {
150            @Override
151            public void onClick(View view) {
152                saveImage();
153            }
154        });
155
156        mImageLoader = new ImageLoader(this, getApplicationContext());
157
158        LinearLayout listFilters = (LinearLayout) findViewById(R.id.listFilters);
159        LinearLayout listBorders = (LinearLayout) findViewById(R.id.listBorders);
160        LinearLayout listColors = (LinearLayout) findViewById(R.id.listColorsFx);
161
162        mImageShow = (ImageShow) findViewById(R.id.imageShow);
163        mImageCurves = (ImageCurves) findViewById(R.id.imageCurves);
164        mImageBorders = (ImageBorder) findViewById(R.id.imageBorder);
165        mImageStraighten = (ImageStraighten) findViewById(R.id.imageStraighten);
166        mImageZoom = (ImageZoom) findViewById(R.id.imageZoom);
167        mImageCrop = (ImageCrop) findViewById(R.id.imageCrop);
168        mImageRotate = (ImageRotate) findViewById(R.id.imageRotate);
169        mImageFlip = (ImageFlip) findViewById(R.id.imageFlip);
170
171        mImageViews.add(mImageShow);
172        mImageViews.add(mImageCurves);
173        mImageViews.add(mImageBorders);
174        mImageViews.add(mImageStraighten);
175        mImageViews.add(mImageZoom);
176        mImageViews.add(mImageCrop);
177        mImageViews.add(mImageRotate);
178        mImageViews.add(mImageFlip);
179
180        mListFx = findViewById(R.id.fxList);
181        mListBorders = findViewById(R.id.bordersList);
182        mListGeometry = findViewById(R.id.geometryList);
183        mListFilterButtons = findViewById(R.id.filterButtonsList);
184        mListColors = findViewById(R.id.colorsFxList);
185        mListViews.add(mListFx);
186        mListViews.add(mListBorders);
187        mListViews.add(mListGeometry);
188        mListViews.add(mListFilterButtons);
189        mListViews.add(mListColors);
190
191        mFxButton = (ImageButton) findViewById(R.id.fxButton);
192        mBorderButton = (ImageButton) findViewById(R.id.borderButton);
193        mGeometryButton = (ImageButton) findViewById(R.id.geometryButton);
194        mColorsButton = (ImageButton) findViewById(R.id.colorsButton);
195
196        mImageShow.setImageLoader(mImageLoader);
197        mImageCurves.setImageLoader(mImageLoader);
198        mImageCurves.setMaster(mImageShow);
199        mImageBorders.setImageLoader(mImageLoader);
200        mImageBorders.setMaster(mImageShow);
201        mImageStraighten.setImageLoader(mImageLoader);
202        mImageStraighten.setMaster(mImageShow);
203        mImageZoom.setImageLoader(mImageLoader);
204        mImageZoom.setMaster(mImageShow);
205        mImageCrop.setImageLoader(mImageLoader);
206        mImageCrop.setMaster(mImageShow);
207        mImageRotate.setImageLoader(mImageLoader);
208        mImageRotate.setMaster(mImageShow);
209        mImageFlip.setImageLoader(mImageLoader);
210        mImageFlip.setMaster(mImageShow);
211
212        mPanelController.addImageView(findViewById(R.id.imageShow));
213        mPanelController.addImageView(findViewById(R.id.imageCurves));
214        mPanelController.addImageView(findViewById(R.id.imageBorder));
215        mPanelController.addImageView(findViewById(R.id.imageStraighten));
216        mPanelController.addImageView(findViewById(R.id.imageCrop));
217        mPanelController.addImageView(findViewById(R.id.imageRotate));
218        mPanelController.addImageView(findViewById(R.id.imageFlip));
219        mPanelController.addImageView(findViewById(R.id.imageZoom));
220
221        mPanelController.addPanel(mFxButton, mListFx, 0);
222        mPanelController.addPanel(mBorderButton, mListBorders, 1);
223
224        mPanelController.addPanel(mGeometryButton, mListGeometry, 2);
225        mPanelController.addComponent(mGeometryButton, findViewById(R.id.straightenButton));
226        mPanelController.addComponent(mGeometryButton, findViewById(R.id.cropButton));
227        mPanelController.addComponent(mGeometryButton, findViewById(R.id.rotateButton));
228        mPanelController.addComponent(mGeometryButton, findViewById(R.id.flipButton));
229
230        mPanelController.addPanel(mColorsButton, mListColors, 3);
231
232        int[] recastIDs = {
233                R.id.tinyplanetButton,
234                R.id.vignetteButton,
235                R.id.vibranceButton,
236                R.id.contrastButton,
237                R.id.saturationButton,
238                R.id.shadowRecoveryButton,
239                R.id.wbalanceButton,
240                R.id.hueButton,
241                R.id.exposureButton,
242                R.id.shadowRecoveryButton
243        };
244        ImageFilter[] filters = {
245                new ImageFilterTinyPlanet(),
246                new ImageFilterVignette(),
247                new ImageFilterVibrance(),
248                new ImageFilterContrast(),
249                new ImageFilterSaturated(),
250                new ImageFilterWBalance(),
251                new ImageFilterHue(),
252                new ImageFilterExposure(),
253                new ImageFilterShadows()
254        };
255
256        for (int i = 0; i < filters.length; i++) {
257
258            ImageSmallFilter fView = new ImageSmallFilter(this);
259            View v = listColors.findViewById(recastIDs[i]);
260            int pos = listColors.indexOfChild(v);
261            listColors.removeView(v);
262
263            filters[i].setParameter(100);
264            if(v instanceof ImageButtonTitle)
265                filters[i].setName(((ImageButtonTitle) v).getText());
266            fView.setImageFilter(filters[i]);
267            fView.setController(this);
268            fView.setImageLoader(mImageLoader);
269            fView.setId(recastIDs[i]);
270            mPanelController.addComponent(mColorsButton, fView);
271            listColors.addView(fView, pos);
272        }
273
274        int[] overlayIDs = {
275                R.id.sharpenButton,
276                R.id.curvesButtonRGB
277        };
278        int[] overlayBitmaps = {
279                R.drawable.filtershow_button_colors_sharpen,
280                R.drawable.filtershow_button_colors_curve
281        };
282        int []overlayNames = {
283                R.string.sharpness,
284                R.string.curvesRGB
285        };
286
287        for (int i = 0; i < overlayIDs.length; i++) {
288            ImageWithIcon fView = new ImageWithIcon(this);
289            View v = listColors.findViewById(overlayIDs[i]);
290            int pos = listColors.indexOfChild(v);
291            listColors.removeView(v);
292            final int sid = overlayNames[i];
293            ImageFilterExposure efilter = new ImageFilterExposure() {
294                {
295                    mName = getString(sid);
296                }
297            };
298            efilter.setParameter(-300);
299            Bitmap bitmap = BitmapFactory.decodeResource(getResources(),
300                    overlayBitmaps[i]);
301
302            fView.setIcon(bitmap);
303            fView.setImageFilter(efilter);
304            fView.setController(this);
305            fView.setImageLoader(mImageLoader);
306            fView.setId(overlayIDs[i]);
307            mPanelController.addComponent(mColorsButton, fView);
308            listColors.addView(fView, pos);
309        }
310
311        mPanelController.addView(findViewById(R.id.applyEffect));
312        mPanelController.addView(findViewById(R.id.pickCurvesChannel));
313        mPanelController.addView(findViewById(R.id.aspect));
314        findViewById(R.id.resetOperationsButton).setOnClickListener(
315                createOnClickResetOperationsButton());
316
317        ListView operationsList = (ListView) findViewById(R.id.operationsList);
318        operationsList.setAdapter(mImageShow.getHistory());
319        operationsList.setOnItemClickListener(this);
320        ListView imageStateList = (ListView) findViewById(R.id.imageStateList);
321        imageStateList.setAdapter(mImageShow.getImageStateAdapter());
322        mImageLoader.setAdapter(mImageShow.getHistory());
323
324        fillListImages(listFilters);
325        fillListBorders(listBorders);
326
327        SeekBar seekBar = (SeekBar) findViewById(R.id.filterSeekBar);
328        seekBar.setMax(SEEK_BAR_MAX);
329
330        mImageShow.setSeekBar(seekBar);
331        mImageZoom.setSeekBar(seekBar);
332        mPanelController.setRowPanel(findViewById(R.id.secondRowPanel));
333        mPanelController.setUtilityPanel(this, findViewById(R.id.filterButtonsList),
334                findViewById(R.id.applyEffect), findViewById(R.id.aspect),
335                findViewById(R.id.pickCurvesChannel));
336        mPanelController.setMasterImage(mImageShow);
337        mPanelController.setCurrentPanel(mFxButton);
338        Intent intent = getIntent();
339        String data = intent.getDataString();
340        if (data != null) {
341            Uri uri = Uri.parse(data);
342            mImageLoader.loadBitmap(uri, getScreenImageSize());
343        } else {
344            pickImage();
345        }
346
347        String action = intent.getAction();
348        if (action == CROP_ACTION){
349            mPanelController.showComponent(findViewById(R.id.cropButton));
350        }
351
352    }
353
354    private int getScreenImageSize() {
355        DisplayMetrics metrics = new DisplayMetrics();
356        Display display = getWindowManager().getDefaultDisplay();
357        Point size = new Point();
358        display.getSize(size);
359        display.getMetrics(metrics);
360        int msize = Math.min(size.x, size.y);
361        return (133 * msize) / metrics.densityDpi;
362    }
363
364    private void showSavingProgress(String albumName) {
365        ProgressDialog progress;
366        if (mSavingProgressDialog != null) {
367            progress = mSavingProgressDialog.get();
368            if (progress != null) {
369                progress.show();
370                return;
371            }
372        }
373        // TODO: Allow cancellation of the saving process
374        String progressText;
375        if (albumName == null) {
376            progressText = getString(R.string.saving_image);
377        } else {
378            progressText = getString(R.string.filtershow_saving_image, albumName);
379        }
380        progress = ProgressDialog.show(this, "", progressText, true, false);
381        mSavingProgressDialog = new WeakReference<ProgressDialog>(progress);
382    }
383
384    private void hideSavingProgress() {
385        if (mSavingProgressDialog != null) {
386            ProgressDialog progress = mSavingProgressDialog.get();
387            if (progress != null)
388                progress.dismiss();
389        }
390    }
391
392    public void completeSaveImage(Uri saveUri) {
393        if (mSharingImage && mSharedOutputFile != null) {
394            // Image saved, we unblock the content provider
395            Uri uri = Uri.withAppendedPath(SharedImageProvider.CONTENT_URI,
396                    Uri.encode(mSharedOutputFile.getAbsolutePath()));
397            ContentValues values = new ContentValues();
398            values.put(SharedImageProvider.PREPARE, false);
399            getContentResolver().insert(uri, values);
400        }
401        setResult(RESULT_OK, new Intent().setData(saveUri));
402        hideSavingProgress();
403        finish();
404    }
405
406    @Override
407    public boolean onShareTargetSelected(ShareActionProvider arg0, Intent arg1) {
408        // First, let's tell the SharedImageProvider that it will need to wait
409        // for the image
410        Uri uri = Uri.withAppendedPath(SharedImageProvider.CONTENT_URI,
411                Uri.encode(mSharedOutputFile.getAbsolutePath()));
412        ContentValues values = new ContentValues();
413        values.put(SharedImageProvider.PREPARE, true);
414        getContentResolver().insert(uri, values);
415        mSharingImage = true;
416
417        // Process and save the image in the background.
418        showSavingProgress(null);
419        mImageShow.saveImage(this, mSharedOutputFile);
420        return true;
421    }
422
423    private Intent getDefaultShareIntent() {
424        Intent intent = new Intent(Intent.ACTION_SEND);
425        intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_WHEN_TASK_RESET);
426        intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
427        intent.setType(SharedImageProvider.MIME_TYPE);
428        mSharedOutputFile = SaveCopyTask.getNewFile(this, mImageLoader.getUri());
429        Uri uri = Uri.withAppendedPath(SharedImageProvider.CONTENT_URI,
430                Uri.encode(mSharedOutputFile.getAbsolutePath()));
431        intent.putExtra(Intent.EXTRA_STREAM, uri);
432        return intent;
433    }
434
435    @Override
436    public boolean onCreateOptionsMenu(Menu menu) {
437        getMenuInflater().inflate(R.menu.filtershow_activity_menu, menu);
438        MenuItem showHistory = menu.findItem(R.id.operationsButton);
439        if (mShowingHistoryPanel) {
440            showHistory.setTitle(R.string.hide_history_panel);
441        } else {
442            showHistory.setTitle(R.string.show_history_panel);
443        }
444        MenuItem showState = menu.findItem(R.id.showImageStateButton);
445        if (mShowingImageStatePanel) {
446            showState.setTitle(R.string.hide_imagestate_panel);
447        } else {
448            showState.setTitle(R.string.show_imagestate_panel);
449        }
450        mShareActionProvider = (ShareActionProvider) menu.findItem(R.id.menu_share)
451                .getActionProvider();
452        mShareActionProvider.setShareIntent(getDefaultShareIntent());
453        mShareActionProvider.setOnShareTargetSelectedListener(this);
454        return true;
455    }
456
457    @Override
458    public void onPause() {
459        super.onPause();
460        if (mShareActionProvider != null) {
461            mShareActionProvider.setOnShareTargetSelectedListener(null);
462        }
463    }
464
465    @Override
466    public void onResume() {
467        super.onResume();
468        if (mShareActionProvider != null) {
469            mShareActionProvider.setOnShareTargetSelectedListener(this);
470        }
471    }
472
473    @Override
474    public boolean onOptionsItemSelected(MenuItem item) {
475        switch (item.getItemId()) {
476            case R.id.undoButton: {
477                HistoryAdapter adapter = mImageShow.getHistory();
478                int position = adapter.undo();
479                mImageShow.onItemClick(position);
480                mImageShow.showToast("Undo");
481                invalidateViews();
482                return true;
483            }
484            case R.id.redoButton: {
485                HistoryAdapter adapter = mImageShow.getHistory();
486                int position = adapter.redo();
487                mImageShow.onItemClick(position);
488                mImageShow.showToast("Redo");
489                invalidateViews();
490                return true;
491            }
492            case R.id.resetHistoryButton: {
493                resetHistory();
494                return true;
495            }
496            case R.id.showImageStateButton: {
497                toggleImageStatePanel();
498                return true;
499            }
500            case R.id.operationsButton: {
501                toggleHistoryPanel();
502                return true;
503            }
504            case android.R.id.home: {
505                saveImage();
506                return true;
507            }
508        }
509        return false;
510    }
511
512    private void fillListImages(LinearLayout listFilters) {
513        // TODO: use listview
514        // TODO: load the filters straight from the filesystem
515
516        ImageFilterFx[] fxArray = new ImageFilterFx[18];
517        int p = 0;
518
519        int[] drawid = {
520                R.drawable.filtershow_fx_0005_punch,
521                R.drawable.filtershow_fx_0000_vintage,
522                R.drawable.filtershow_fx_0004_bw_contrast,
523                R.drawable.filtershow_fx_0002_bleach,
524                R.drawable.filtershow_fx_0001_instant,
525                R.drawable.filtershow_fx_0007_washout,
526                R.drawable.filtershow_fx_0003_blue_crush,
527                R.drawable.filtershow_fx_0008_washout_color,
528                R.drawable.filtershow_fx_0006_x_process
529        };
530
531        int[] fxNameid = {
532                R.string.ffx_punch,
533                R.string.ffx_vintage,
534                R.string.ffx_bw_contrast,
535                R.string.ffx_bleach,
536                R.string.ffx_instant,
537                R.string.ffx_washout,
538                R.string.ffx_blue_crush,
539                R.string.ffx_washout_color,
540                R.string.ffx_x_process
541        };
542
543        ImagePreset preset = new ImagePreset(); // empty
544        ImageSmallFilter filter = new ImageSmallFilter(this);
545
546        filter.setSelected(true);
547        mCurrentImageSmallFilter = filter;
548
549        filter.setImageFilter(new ImageFilterFx(null,getString(R.string.none)));
550
551        filter.setController(this);
552        filter.setImageLoader(mImageLoader);
553        listFilters.addView(filter);
554        ImageSmallFilter previousFilter = filter;
555
556        BitmapFactory.Options o = new BitmapFactory.Options();
557        o.inScaled = false;
558
559        for (int i = 0; i < drawid.length; i++) {
560            Bitmap b = BitmapFactory.decodeResource(getResources(), drawid[i], o);
561            fxArray[p++] = new ImageFilterFx(b, getString(fxNameid[i]));
562        }
563
564        for (int i = 0; i < p; i++) {
565            filter = new ImageSmallFilter(this);
566            filter.setImageFilter(fxArray[i]);
567            filter.setController(this);
568            filter.setImageLoader(mImageLoader);
569            listFilters.addView(filter);
570            previousFilter = filter;
571        }
572
573        // Default preset (original)
574        mImageShow.setImagePreset(preset);
575    }
576
577    private void fillListBorders(LinearLayout listBorders) {
578        // TODO: use listview
579        // TODO: load the borders straight from the filesystem
580        int p = 0;
581        ImageFilter[] borders = new ImageFilter[7];
582        borders[p++] = new ImageFilterBorder(null);
583
584        Drawable npd1 = getResources().getDrawable(R.drawable.filtershow_border_4x5);
585        borders[p++] = new ImageFilterBorder(npd1);
586        Drawable npd2 = getResources().getDrawable(R.drawable.filtershow_border_brush);
587        borders[p++] = new ImageFilterBorder(npd2);
588        borders[p++] = new ImageFilterParametricBorder(Color.BLACK, mImageBorderSize, 0);
589        borders[p++] = new ImageFilterParametricBorder(Color.BLACK, mImageBorderSize,
590                mImageBorderSize);
591        borders[p++] = new ImageFilterParametricBorder(Color.WHITE, mImageBorderSize, 0);
592        borders[p++] = new ImageFilterParametricBorder(Color.WHITE, mImageBorderSize,
593                mImageBorderSize);
594
595        ImageSmallFilter previousFilter = null;
596        for (int i = 0; i < p; i++) {
597            ImageSmallBorder filter = new ImageSmallBorder(this);
598            filter.setImageFilter(borders[i]);
599            filter.setController(this);
600            filter.setBorder(true);
601            filter.setImageLoader(mImageLoader);
602            filter.setShowTitle(false);
603            listBorders.addView(filter);
604            previousFilter = filter;
605        }
606    }
607
608    // //////////////////////////////////////////////////////////////////////////////
609    // Some utility functions
610    // TODO: finish the cleanup.
611
612    public void showOriginalViews(boolean value) {
613        for (ImageShow views : mImageViews) {
614            views.showOriginal(value);
615        }
616    }
617
618    public void invalidateViews() {
619        for (ImageShow views : mImageViews) {
620            views.invalidate();
621            views.updateImage();
622        }
623    }
624
625    public void hideListViews() {
626        for (View view : mListViews) {
627            view.setVisibility(View.GONE);
628        }
629    }
630
631    public void hideImageViews() {
632        mImageShow.setShowControls(false); // reset
633        for (View view : mImageViews) {
634            view.setVisibility(View.GONE);
635        }
636    }
637
638    public void unselectBottomPanelButtons() {
639        for (ImageButton button : mBottomPanelButtons) {
640            button.setSelected(false);
641        }
642    }
643
644    public void unselectPanelButtons(Vector<ImageButton> buttons) {
645        for (ImageButton button : buttons) {
646            button.setSelected(false);
647        }
648    }
649
650    // //////////////////////////////////////////////////////////////////////////////
651    // imageState panel...
652
653    public boolean isShowingHistoryPanel() {
654        return mShowingHistoryPanel;
655    }
656
657    private void toggleImageStatePanel() {
658        final View view = findViewById(R.id.mainPanel);
659        final View viewList = findViewById(R.id.imageStatePanel);
660
661        if (mShowingHistoryPanel) {
662            findViewById(R.id.historyPanel).setVisibility(View.INVISIBLE);
663            mShowingHistoryPanel = false;
664        }
665
666        if (!mShowingImageStatePanel) {
667            mShowingImageStatePanel = true;
668            view.animate().setDuration(200).x(-viewList.getWidth())
669                    .withLayer().withEndAction(new Runnable() {
670                        @Override
671                        public void run() {
672                            viewList.setAlpha(0);
673                            viewList.setVisibility(View.VISIBLE);
674                            viewList.animate().setDuration(100)
675                                    .alpha(1.0f).start();
676                        }
677                    }).start();
678        } else {
679            mShowingImageStatePanel = false;
680            viewList.setVisibility(View.INVISIBLE);
681            view.animate().setDuration(200).x(0).withLayer()
682                    .start();
683        }
684        invalidateOptionsMenu();
685    }
686
687    // //////////////////////////////////////////////////////////////////////////////
688    // history panel...
689
690    public void toggleHistoryPanel() {
691        final View view = findViewById(R.id.mainPanel);
692        final View viewList = findViewById(R.id.historyPanel);
693
694        if (mShowingImageStatePanel) {
695            findViewById(R.id.imageStatePanel).setVisibility(View.INVISIBLE);
696            mShowingImageStatePanel = false;
697        }
698
699        if (!mShowingHistoryPanel) {
700            mShowingHistoryPanel = true;
701            view.animate().setDuration(200).x(-viewList.getWidth())
702                    .withLayer().withEndAction(new Runnable() {
703                        @Override
704                        public void run() {
705                            viewList.setAlpha(0);
706                            viewList.setVisibility(View.VISIBLE);
707                            viewList.animate().setDuration(100)
708                                    .alpha(1.0f).start();
709                        }
710                    }).start();
711        } else {
712            mShowingHistoryPanel = false;
713            viewList.setVisibility(View.INVISIBLE);
714            view.animate().setDuration(200).x(0).withLayer()
715                    .start();
716        }
717        invalidateOptionsMenu();
718    }
719
720    private void resetHistory() {
721        HistoryAdapter adapter = mImageShow.getHistory();
722        adapter.reset();
723        ImagePreset original = new ImagePreset(adapter.getItem(0));
724        mImageShow.setImagePreset(original);
725        mPanelController.resetParameters();
726        invalidateViews();
727    }
728
729    // reset button in the history panel.
730    private OnClickListener createOnClickResetOperationsButton() {
731        return new View.OnClickListener() {
732            @Override
733            public void onClick(View v) {
734                resetHistory();
735            }
736        };
737    }
738
739    @Override
740    public void onBackPressed() {
741        if (mPanelController.onBackPressed()) {
742            saveImage();
743        }
744    }
745
746    public void cannotLoadImage() {
747        CharSequence text = getString(R.string.cannot_load_image);
748        Toast toast = Toast.makeText(this, text, Toast.LENGTH_SHORT);
749        toast.show();
750        finish();
751    }
752
753    // //////////////////////////////////////////////////////////////////////////////
754
755    public float getPixelsFromDip(float value) {
756        Resources r = getResources();
757        return TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, value,
758                r.getDisplayMetrics());
759    }
760
761    public void useImagePreset(ImageSmallFilter imageSmallFilter, ImagePreset preset) {
762        if (preset == null) {
763            return;
764        }
765
766        if (mCurrentImageSmallFilter != null) {
767            mCurrentImageSmallFilter.setSelected(false);
768        }
769        mCurrentImageSmallFilter = imageSmallFilter;
770        mCurrentImageSmallFilter.setSelected(true);
771
772        ImagePreset copy = new ImagePreset(preset);
773        mImageShow.setImagePreset(copy);
774        if (preset.isFx()) {
775            // if it's an FX we rest the curve adjustment too
776            mImageCurves.resetCurve();
777        }
778        invalidateViews();
779    }
780
781    public void useImageFilter(ImageSmallFilter imageSmallFilter, ImageFilter imageFilter,
782            boolean setBorder) {
783        if (imageFilter == null) {
784            return;
785        }
786
787        if (mCurrentImageSmallFilter != null) {
788            mCurrentImageSmallFilter.setSelected(false);
789        }
790        mCurrentImageSmallFilter = imageSmallFilter;
791        mCurrentImageSmallFilter.setSelected(true);
792
793        ImagePreset oldPreset = mImageShow.getImagePreset();
794        ImagePreset copy = new ImagePreset(oldPreset);
795        // TODO: use a numerical constant instead.
796
797        copy.add(imageFilter);
798
799        mImageShow.setImagePreset(copy);
800        invalidateViews();
801    }
802
803    @Override
804    public void onItemClick(AdapterView<?> parent, View view, int position,
805            long id) {
806        mImageShow.onItemClick(position);
807        invalidateViews();
808    }
809
810    public void pickImage() {
811        Intent intent = new Intent();
812        intent.setType("image/*");
813        intent.setAction(Intent.ACTION_GET_CONTENT);
814        startActivityForResult(Intent.createChooser(intent, getString(R.string.select_image)),
815                SELECT_PICTURE);
816    }
817
818    @Override
819    public void onActivityResult(int requestCode, int resultCode, Intent data) {
820        Log.v(LOGTAG, "onActivityResult");
821        if (resultCode == RESULT_OK) {
822            if (requestCode == SELECT_PICTURE) {
823                Uri selectedImageUri = data.getData();
824                mImageLoader.loadBitmap(selectedImageUri, getScreenImageSize());
825            }
826        }
827    }
828
829    public void saveImage() {
830        if (mImageShow.hasModifications()) {
831            // Get the name of the album, to which the image will be saved
832            File saveDir = SaveCopyTask.getFinalSaveDirectory(this, mImageLoader.getUri());
833            int bucketId = GalleryUtils.getBucketId(saveDir.getPath());
834            String albumName = LocalAlbum.getLocalizedName(getResources(), bucketId, null);
835            showSavingProgress(albumName);
836            mImageShow.saveImage(this, null);
837        } else {
838            finish();
839        }
840    }
841
842    static {
843        System.loadLibrary("jni_filtershow_filters");
844    }
845
846}
847