FilterShowActivity.java revision 2576a29cccf1d96edeef071914e8b775c230e8e8 
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.addComponent(mColorsButton, findViewById(R.id.tinyplanetButton));
312        mPanelController.addComponent(mColorsButton, findViewById(R.id.curvesButtonRGB));
313        mPanelController.addComponent(mColorsButton, findViewById(R.id.sharpenButton));
314        mPanelController.addComponent(mColorsButton, findViewById(R.id.vibranceButton));
315        mPanelController.addComponent(mColorsButton, findViewById(R.id.contrastButton));
316        mPanelController.addComponent(mColorsButton, findViewById(R.id.saturationButton));
317        mPanelController.addComponent(mColorsButton, findViewById(R.id.wbalanceButton));
318        mPanelController.addComponent(mColorsButton, findViewById(R.id.hueButton));
319        mPanelController.addComponent(mColorsButton, findViewById(R.id.exposureButton));
320        mPanelController.addComponent(mColorsButton, findViewById(R.id.shadowRecoveryButton));
321
322        mPanelController.addView(findViewById(R.id.applyEffect));
323        mPanelController.addView(findViewById(R.id.pickCurvesChannel));
324        mPanelController.addView(findViewById(R.id.aspect));
325        findViewById(R.id.resetOperationsButton).setOnClickListener(
326                createOnClickResetOperationsButton());
327
328        ListView operationsList = (ListView) findViewById(R.id.operationsList);
329        operationsList.setAdapter(mImageShow.getHistoryAdapter());
330        operationsList.setOnItemClickListener(this);
331        ListView imageStateList = (ListView) findViewById(R.id.imageStateList);
332        imageStateList.setAdapter(mImageShow.getImageStateAdapter());
333        mImageLoader.setAdapter((HistoryAdapter) mImageShow.getHistoryAdapter());
334
335        fillListImages(listFilters);
336        fillListBorders(listBorders);
337
338        SeekBar seekBar = (SeekBar) findViewById(R.id.filterSeekBar);
339        seekBar.setMax(SEEK_BAR_MAX);
340
341        mImageShow.setSeekBar(seekBar);
342        mImageZoom.setSeekBar(seekBar);
343        mPanelController.setRowPanel(findViewById(R.id.secondRowPanel));
344        mPanelController.setUtilityPanel(this, findViewById(R.id.filterButtonsList),
345                findViewById(R.id.applyEffect), findViewById(R.id.aspect));
346        mPanelController.setMasterImage(mImageShow);
347        mPanelController.setCurrentPanel(mFxButton);
348        Intent intent = getIntent();
349        String data = intent.getDataString();
350        if (data != null) {
351            Uri uri = Uri.parse(data);
352            mImageLoader.loadBitmap(uri, getScreenImageSize());
353        } else {
354            pickImage();
355        }
356
357        String action = intent.getAction();
358        if (action == CROP_ACTION){
359            mPanelController.showComponent(findViewById(R.id.cropButton));
360        }
361
362    }
363
364    private int getScreenImageSize() {
365        DisplayMetrics metrics = new DisplayMetrics();
366        Display display = getWindowManager().getDefaultDisplay();
367        Point size = new Point();
368        display.getSize(size);
369        display.getMetrics(metrics);
370        int msize = Math.min(size.x, size.y);
371        return (133 * msize) / metrics.densityDpi;
372    }
373
374    private void showSavingProgress(String albumName) {
375        ProgressDialog progress;
376        if (mSavingProgressDialog != null) {
377            progress = mSavingProgressDialog.get();
378            if (progress != null) {
379                progress.show();
380                return;
381            }
382        }
383        // TODO: Allow cancellation of the saving process
384        String progressText;
385        if (albumName == null) {
386            progressText = getString(R.string.saving_image);
387        } else {
388            progressText = getString(R.string.filtershow_saving_image, albumName);
389        }
390        progress = ProgressDialog.show(this, "", progressText, true, false);
391        mSavingProgressDialog = new WeakReference<ProgressDialog>(progress);
392    }
393
394    private void hideSavingProgress() {
395        if (mSavingProgressDialog != null) {
396            ProgressDialog progress = mSavingProgressDialog.get();
397            if (progress != null)
398                progress.dismiss();
399        }
400    }
401
402    public void completeSaveImage(Uri saveUri) {
403        if (mSharingImage && mSharedOutputFile != null) {
404            // Image saved, we unblock the content provider
405            Uri uri = Uri.withAppendedPath(SharedImageProvider.CONTENT_URI,
406                    Uri.encode(mSharedOutputFile.getAbsolutePath()));
407            ContentValues values = new ContentValues();
408            values.put(SharedImageProvider.PREPARE, false);
409            getContentResolver().insert(uri, values);
410        }
411        setResult(RESULT_OK, new Intent().setData(saveUri));
412        hideSavingProgress();
413        finish();
414    }
415
416    @Override
417    public boolean onShareTargetSelected(ShareActionProvider arg0, Intent arg1) {
418        // First, let's tell the SharedImageProvider that it will need to wait
419        // for the image
420        Uri uri = Uri.withAppendedPath(SharedImageProvider.CONTENT_URI,
421                Uri.encode(mSharedOutputFile.getAbsolutePath()));
422        ContentValues values = new ContentValues();
423        values.put(SharedImageProvider.PREPARE, true);
424        getContentResolver().insert(uri, values);
425        mSharingImage = true;
426
427        // Process and save the image in the background.
428        showSavingProgress(null);
429        mImageShow.saveImage(this, mSharedOutputFile);
430        return true;
431    }
432
433    private Intent getDefaultShareIntent() {
434        Intent intent = new Intent(Intent.ACTION_SEND);
435        intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_WHEN_TASK_RESET);
436        intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
437        intent.setType(SharedImageProvider.MIME_TYPE);
438        mSharedOutputFile = SaveCopyTask.getNewFile(this, mImageLoader.getUri());
439        Uri uri = Uri.withAppendedPath(SharedImageProvider.CONTENT_URI,
440                Uri.encode(mSharedOutputFile.getAbsolutePath()));
441        intent.putExtra(Intent.EXTRA_STREAM, uri);
442        return intent;
443    }
444
445    @Override
446    public boolean onCreateOptionsMenu(Menu menu) {
447        getMenuInflater().inflate(R.menu.filtershow_activity_menu, menu);
448        MenuItem showHistory = menu.findItem(R.id.operationsButton);
449        if (mShowingHistoryPanel) {
450            showHistory.setTitle(R.string.hide_history_panel);
451        } else {
452            showHistory.setTitle(R.string.show_history_panel);
453        }
454        MenuItem showState = menu.findItem(R.id.showImageStateButton);
455        if (mShowingImageStatePanel) {
456            showState.setTitle(R.string.hide_imagestate_panel);
457        } else {
458            showState.setTitle(R.string.show_imagestate_panel);
459        }
460        mShareActionProvider = (ShareActionProvider) menu.findItem(R.id.menu_share)
461                .getActionProvider();
462        mShareActionProvider.setShareIntent(getDefaultShareIntent());
463        mShareActionProvider.setOnShareTargetSelectedListener(this);
464        return true;
465    }
466
467    @Override
468    public void onPause() {
469        super.onPause();
470        if (mShareActionProvider != null) {
471            mShareActionProvider.setOnShareTargetSelectedListener(null);
472        }
473    }
474
475    @Override
476    public void onResume() {
477        super.onResume();
478        if (mShareActionProvider != null) {
479            mShareActionProvider.setOnShareTargetSelectedListener(this);
480        }
481    }
482
483    @Override
484    public boolean onOptionsItemSelected(MenuItem item) {
485        switch (item.getItemId()) {
486            case R.id.undoButton: {
487                HistoryAdapter adapter = (HistoryAdapter) mImageShow
488                        .getHistoryAdapter();
489                int position = adapter.undo();
490                mImageShow.onItemClick(position);
491                mImageShow.showToast("Undo");
492                invalidateViews();
493                return true;
494            }
495            case R.id.redoButton: {
496                HistoryAdapter adapter = (HistoryAdapter) mImageShow
497                        .getHistoryAdapter();
498                int position = adapter.redo();
499                mImageShow.onItemClick(position);
500                mImageShow.showToast("Redo");
501                invalidateViews();
502                return true;
503            }
504            case R.id.resetHistoryButton: {
505                resetHistory();
506                return true;
507            }
508            case R.id.showImageStateButton: {
509                toggleImageStatePanel();
510                return true;
511            }
512            case R.id.operationsButton: {
513                toggleHistoryPanel();
514                return true;
515            }
516            case android.R.id.home: {
517                saveImage();
518                return true;
519            }
520        }
521        return false;
522    }
523
524    private void fillListImages(LinearLayout listFilters) {
525        // TODO: use listview
526        // TODO: load the filters straight from the filesystem
527
528        ImageFilterFx[] fxArray = new ImageFilterFx[18];
529        int p = 0;
530
531        int[] drawid = {
532                R.drawable.filtershow_fx_0005_punch,
533                R.drawable.filtershow_fx_0000_vintage,
534                R.drawable.filtershow_fx_0004_bw_contrast,
535                R.drawable.filtershow_fx_0002_bleach,
536                R.drawable.filtershow_fx_0001_instant,
537                R.drawable.filtershow_fx_0007_washout,
538                R.drawable.filtershow_fx_0003_blue_crush,
539                R.drawable.filtershow_fx_0008_washout_color,
540                R.drawable.filtershow_fx_0006_x_process
541        };
542
543        int[] fxNameid = {
544                R.string.ffx_punch,
545                R.string.ffx_vintage,
546                R.string.ffx_bw_contrast,
547                R.string.ffx_bleach,
548                R.string.ffx_instant,
549                R.string.ffx_washout,
550                R.string.ffx_blue_crush,
551                R.string.ffx_washout_color,
552                R.string.ffx_x_process
553        };
554
555        ImagePreset preset = new ImagePreset(); // empty
556        ImageSmallFilter filter = new ImageSmallFilter(this);
557
558        filter.setSelected(true);
559        mCurrentImageSmallFilter = filter;
560
561        filter.setImageFilter(new ImageFilterFx(null,getString(R.string.none)));
562
563        filter.setController(this);
564        filter.setImageLoader(mImageLoader);
565        listFilters.addView(filter);
566        ImageSmallFilter previousFilter = filter;
567
568        BitmapFactory.Options o = new BitmapFactory.Options();
569        o.inScaled = false;
570
571        for (int i = 0; i < drawid.length; i++) {
572            Bitmap b = BitmapFactory.decodeResource(getResources(), drawid[i], o);
573            fxArray[p++] = new ImageFilterFx(b, getString(fxNameid[i]));
574        }
575
576        for (int i = 0; i < p; i++) {
577            filter = new ImageSmallFilter(this);
578            filter.setImageFilter(fxArray[i]);
579            filter.setController(this);
580            filter.setImageLoader(mImageLoader);
581            listFilters.addView(filter);
582            previousFilter = filter;
583        }
584
585        // Default preset (original)
586        mImageShow.setImagePreset(preset);
587    }
588
589    private void fillListBorders(LinearLayout listBorders) {
590        // TODO: use listview
591        // TODO: load the borders straight from the filesystem
592        int p = 0;
593        ImageFilter[] borders = new ImageFilter[7];
594        borders[p++] = new ImageFilterBorder(null);
595
596        Drawable npd1 = getResources().getDrawable(R.drawable.filtershow_border_4x5);
597        borders[p++] = new ImageFilterBorder(npd1);
598        Drawable npd2 = getResources().getDrawable(R.drawable.filtershow_border_brush);
599        borders[p++] = new ImageFilterBorder(npd2);
600        borders[p++] = new ImageFilterParametricBorder(Color.BLACK, mImageBorderSize, 0);
601        borders[p++] = new ImageFilterParametricBorder(Color.BLACK, mImageBorderSize,
602                mImageBorderSize);
603        borders[p++] = new ImageFilterParametricBorder(Color.WHITE, mImageBorderSize, 0);
604        borders[p++] = new ImageFilterParametricBorder(Color.WHITE, mImageBorderSize,
605                mImageBorderSize);
606
607        ImageSmallFilter previousFilter = null;
608        for (int i = 0; i < p; i++) {
609            ImageSmallBorder filter = new ImageSmallBorder(this);
610            filter.setImageFilter(borders[i]);
611            filter.setController(this);
612            filter.setBorder(true);
613            filter.setImageLoader(mImageLoader);
614            filter.setShowTitle(false);
615            listBorders.addView(filter);
616            previousFilter = filter;
617        }
618    }
619
620    // //////////////////////////////////////////////////////////////////////////////
621    // Some utility functions
622    // TODO: finish the cleanup.
623
624    public void showOriginalViews(boolean value) {
625        for (ImageShow views : mImageViews) {
626            views.showOriginal(value);
627        }
628    }
629
630    public void invalidateViews() {
631        for (ImageShow views : mImageViews) {
632            views.invalidate();
633            views.updateImage();
634        }
635    }
636
637    public void hideListViews() {
638        for (View view : mListViews) {
639            view.setVisibility(View.GONE);
640        }
641    }
642
643    public void hideImageViews() {
644        mImageShow.setShowControls(false); // reset
645        for (View view : mImageViews) {
646            view.setVisibility(View.GONE);
647        }
648    }
649
650    public void unselectBottomPanelButtons() {
651        for (ImageButton button : mBottomPanelButtons) {
652            button.setSelected(false);
653        }
654    }
655
656    public void unselectPanelButtons(Vector<ImageButton> buttons) {
657        for (ImageButton button : buttons) {
658            button.setSelected(false);
659        }
660    }
661
662    // //////////////////////////////////////////////////////////////////////////////
663    // imageState panel...
664
665    private void toggleImageStatePanel() {
666        final View view = findViewById(R.id.mainPanel);
667        final View viewList = findViewById(R.id.imageStatePanel);
668
669        if (mShowingHistoryPanel) {
670            findViewById(R.id.historyPanel).setVisibility(View.INVISIBLE);
671            mShowingHistoryPanel = false;
672        }
673
674        if (!mShowingImageStatePanel) {
675            mShowingImageStatePanel = true;
676            view.animate().setDuration(200).x(-viewList.getWidth())
677                    .withLayer().withEndAction(new Runnable() {
678                        @Override
679                        public void run() {
680                            viewList.setAlpha(0);
681                            viewList.setVisibility(View.VISIBLE);
682                            viewList.animate().setDuration(100)
683                                    .alpha(1.0f).start();
684                        }
685                    }).start();
686        } else {
687            mShowingImageStatePanel = false;
688            viewList.setVisibility(View.INVISIBLE);
689            view.animate().setDuration(200).x(0).withLayer()
690                    .start();
691        }
692        invalidateOptionsMenu();
693    }
694
695    // //////////////////////////////////////////////////////////////////////////////
696    // history panel...
697
698    private void toggleHistoryPanel() {
699        final View view = findViewById(R.id.mainPanel);
700        final View viewList = findViewById(R.id.historyPanel);
701
702        if (mShowingImageStatePanel) {
703            findViewById(R.id.imageStatePanel).setVisibility(View.INVISIBLE);
704            mShowingImageStatePanel = false;
705        }
706
707        if (!mShowingHistoryPanel) {
708            mShowingHistoryPanel = true;
709            view.animate().setDuration(200).x(-viewList.getWidth())
710                    .withLayer().withEndAction(new Runnable() {
711                        @Override
712                        public void run() {
713                            viewList.setAlpha(0);
714                            viewList.setVisibility(View.VISIBLE);
715                            viewList.animate().setDuration(100)
716                                    .alpha(1.0f).start();
717                        }
718                    }).start();
719        } else {
720            mShowingHistoryPanel = false;
721            viewList.setVisibility(View.INVISIBLE);
722            view.animate().setDuration(200).x(0).withLayer()
723                    .start();
724        }
725        invalidateOptionsMenu();
726    }
727
728    private void resetHistory() {
729        HistoryAdapter adapter = (HistoryAdapter) mImageShow
730                .getHistoryAdapter();
731        adapter.reset();
732        ImagePreset original = new ImagePreset(adapter.getItem(0));
733        mImageShow.setImagePreset(original);
734        mPanelController.resetParameters();
735        invalidateViews();
736    }
737
738    // reset button in the history panel.
739    private OnClickListener createOnClickResetOperationsButton() {
740        return new View.OnClickListener() {
741            @Override
742            public void onClick(View v) {
743                resetHistory();
744            }
745        };
746    }
747
748    @Override
749    public void onBackPressed() {
750        if (mPanelController.onBackPressed()) {
751            saveImage();
752        }
753    }
754
755    public void cannotLoadImage() {
756        CharSequence text = getString(R.string.cannot_load_image);
757        Toast toast = Toast.makeText(this, text, Toast.LENGTH_SHORT);
758        toast.show();
759        finish();
760    }
761
762    // //////////////////////////////////////////////////////////////////////////////
763
764    public float getPixelsFromDip(float value) {
765        Resources r = getResources();
766        return TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, value,
767                r.getDisplayMetrics());
768    }
769
770    public void useImagePreset(ImageSmallFilter imageSmallFilter, ImagePreset preset) {
771        if (preset == null) {
772            return;
773        }
774
775        if (mCurrentImageSmallFilter != null) {
776            mCurrentImageSmallFilter.setSelected(false);
777        }
778        mCurrentImageSmallFilter = imageSmallFilter;
779        mCurrentImageSmallFilter.setSelected(true);
780
781        ImagePreset copy = new ImagePreset(preset);
782        mImageShow.setImagePreset(copy);
783        if (preset.isFx()) {
784            // if it's an FX we rest the curve adjustment too
785            mImageCurves.resetCurve();
786        }
787        invalidateViews();
788    }
789
790    public void useImageFilter(ImageSmallFilter imageSmallFilter, ImageFilter imageFilter,
791            boolean setBorder) {
792        if (imageFilter == null) {
793            return;
794        }
795
796        if (mCurrentImageSmallFilter != null) {
797            mCurrentImageSmallFilter.setSelected(false);
798        }
799        mCurrentImageSmallFilter = imageSmallFilter;
800        mCurrentImageSmallFilter.setSelected(true);
801
802        ImagePreset oldPreset = mImageShow.getImagePreset();
803        ImagePreset copy = new ImagePreset(oldPreset);
804        // TODO: use a numerical constant instead.
805
806        copy.add(imageFilter);
807
808        mImageShow.setImagePreset(copy);
809        invalidateViews();
810    }
811
812    @Override
813    public void onItemClick(AdapterView<?> parent, View view, int position,
814            long id) {
815        mImageShow.onItemClick(position);
816        invalidateViews();
817    }
818
819    public void pickImage() {
820        Intent intent = new Intent();
821        intent.setType("image/*");
822        intent.setAction(Intent.ACTION_GET_CONTENT);
823        startActivityForResult(Intent.createChooser(intent, getString(R.string.select_image)),
824                SELECT_PICTURE);
825    }
826
827    @Override
828    public void onActivityResult(int requestCode, int resultCode, Intent data) {
829        Log.v(LOGTAG, "onActivityResult");
830        if (resultCode == RESULT_OK) {
831            if (requestCode == SELECT_PICTURE) {
832                Uri selectedImageUri = data.getData();
833                mImageLoader.loadBitmap(selectedImageUri, getScreenImageSize());
834            }
835        }
836    }
837
838    public void saveImage() {
839        if (mImageShow.hasModifications()) {
840            // Get the name of the album, to which the image will be saved
841            File saveDir = SaveCopyTask.getFinalSaveDirectory(this, mImageLoader.getUri());
842            int bucketId = GalleryUtils.getBucketId(saveDir.getPath());
843            String albumName = LocalAlbum.getLocalizedName(getResources(), bucketId, null);
844            showSavingProgress(albumName);
845            mImageShow.saveImage(this, null);
846        } else {
847            finish();
848        }
849    }
850
851    static {
852        System.loadLibrary("jni_filtershow_filters");
853    }
854
855}
856