FilterShowActivity.java revision cdea10749cbdb6bab8f49f1b5b562b6e89781981
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.app.ActionBar;
20import android.app.Activity;
21import android.app.ProgressDialog;
22import android.app.WallpaperManager;
23import android.content.ContentValues;
24import android.content.Context;
25import android.content.Intent;
26import android.content.res.Configuration;
27import android.content.res.Resources;
28import android.graphics.Bitmap;
29import android.graphics.BitmapFactory;
30import android.graphics.Color;
31import android.graphics.Point;
32import android.graphics.drawable.Drawable;
33import android.net.Uri;
34import android.os.AsyncTask;
35import android.os.Bundle;
36import android.provider.MediaStore;
37import android.util.DisplayMetrics;
38import android.util.Log;
39import android.util.TypedValue;
40import android.view.Display;
41import android.view.LayoutInflater;
42import android.view.Menu;
43import android.view.MenuItem;
44import android.view.View;
45import android.view.View.OnClickListener;
46import android.view.WindowManager;
47import android.widget.AdapterView;
48import android.widget.AdapterView.OnItemClickListener;
49import android.widget.FrameLayout;
50import android.widget.ImageButton;
51import android.widget.LinearLayout;
52import android.widget.ListView;
53import android.widget.ShareActionProvider;
54import android.widget.ShareActionProvider.OnShareTargetSelectedListener;
55import android.widget.Toast;
56
57import com.android.gallery3d.R;
58import com.android.gallery3d.data.LocalAlbum;
59import com.android.gallery3d.filtershow.cache.FilteringPipeline;
60import com.android.gallery3d.filtershow.cache.ImageLoader;
61import com.android.gallery3d.filtershow.editors.BasicEditor;
62import com.android.gallery3d.filtershow.editors.EditorCrop;
63import com.android.gallery3d.filtershow.editors.EditorDraw;
64import com.android.gallery3d.filtershow.editors.EditorFlip;
65import com.android.gallery3d.filtershow.editors.EditorInfo;
66import com.android.gallery3d.filtershow.editors.EditorManager;
67import com.android.gallery3d.filtershow.editors.EditorRedEye;
68import com.android.gallery3d.filtershow.editors.EditorRotate;
69import com.android.gallery3d.filtershow.editors.EditorStraighten;
70import com.android.gallery3d.filtershow.editors.EditorTinyPlanet;
71import com.android.gallery3d.filtershow.editors.ImageOnlyEditor;
72import com.android.gallery3d.filtershow.filters.FilterColorBorderRepresentation;
73import com.android.gallery3d.filtershow.filters.FilterFxRepresentation;
74import com.android.gallery3d.filtershow.filters.FilterImageBorderRepresentation;
75import com.android.gallery3d.filtershow.filters.FilterRepresentation;
76import com.android.gallery3d.filtershow.filters.FiltersManager;
77import com.android.gallery3d.filtershow.filters.ImageFilter;
78import com.android.gallery3d.filtershow.filters.ImageFilterBorder;
79import com.android.gallery3d.filtershow.filters.ImageFilterRS;
80import com.android.gallery3d.filtershow.imageshow.GeometryMetadata;
81import com.android.gallery3d.filtershow.imageshow.ImageCrop;
82import com.android.gallery3d.filtershow.imageshow.ImageShow;
83import com.android.gallery3d.filtershow.imageshow.ImageTinyPlanet;
84import com.android.gallery3d.filtershow.imageshow.ImageZoom;
85import com.android.gallery3d.filtershow.imageshow.MasterImage;
86import com.android.gallery3d.filtershow.presets.ImagePreset;
87import com.android.gallery3d.filtershow.provider.SharedImageProvider;
88import com.android.gallery3d.filtershow.tools.BitmapTask;
89import com.android.gallery3d.filtershow.tools.SaveCopyTask;
90import com.android.gallery3d.filtershow.ui.FilterIconButton;
91import com.android.gallery3d.filtershow.ui.FramedTextButton;
92import com.android.gallery3d.filtershow.ui.Spline;
93import com.android.gallery3d.util.GalleryUtils;
94
95import java.io.File;
96import java.io.IOException;
97import java.lang.ref.WeakReference;
98import java.util.Vector;
99
100public class FilterShowActivity extends Activity implements OnItemClickListener,
101        OnShareTargetSelectedListener {
102
103    // fields for supporting crop action
104    public static final String CROP_ACTION = "com.android.camera.action.CROP";
105    private CropExtras mCropExtras = null;
106    private String mAction = "";
107    MasterImage mMasterImage = null;
108
109    public static final String TINY_PLANET_ACTION = "com.android.camera.action.TINY_PLANET";
110    public static final String LAUNCH_FULLSCREEN = "launch-fullscreen";
111    public static final int MAX_BMAP_IN_INTENT = 990000;
112    private final PanelController mPanelController = new PanelController();
113    private ImageLoader mImageLoader = null;
114    private ImageShow mImageShow = null;
115    private ImageTinyPlanet mImageTinyPlanet = null;
116
117    private View mSaveButton = null;
118
119    private EditorPlaceHolder mEditorPlaceHolder = new EditorPlaceHolder(this);
120
121    private static final int SELECT_PICTURE = 1;
122    private static final String LOGTAG = "FilterShowActivity";
123    protected static final boolean ANIMATE_PANELS = true;
124    private static int mImageBorderSize = 4; // in percent
125
126    private boolean mShowingHistoryPanel = false;
127    private boolean mShowingImageStatePanel = false;
128
129    private final Vector<ImageShow> mImageViews = new Vector<ImageShow>();
130
131    private ShareActionProvider mShareActionProvider;
132    private File mSharedOutputFile = null;
133
134    private boolean mSharingImage = false;
135
136    private WeakReference<ProgressDialog> mSavingProgressDialog;
137
138    private LoadBitmapTask mLoadBitmapTask;
139    private FilterIconButton mNullFxFilter;
140    private FilterIconButton mNullBorderFilter;
141    private int mIconSeedSize = 140;
142
143
144    @Override
145    public void onCreate(Bundle savedInstanceState) {
146        super.onCreate(savedInstanceState);
147
148        setupMasterImage();
149        setDefaultValues();
150        fillEditors();
151
152        loadXML();
153        if (getResources().getConfiguration().orientation
154                == Configuration.ORIENTATION_LANDSCAPE) {
155            mShowingImageStatePanel = true;
156        }
157
158        setDefaultPreset();
159
160        processIntent();
161    }
162
163    private void loadXML() {
164        setContentView(R.layout.filtershow_activity);
165
166        ActionBar actionBar = getActionBar();
167        actionBar.setDisplayOptions(ActionBar.DISPLAY_SHOW_CUSTOM);
168        actionBar.setCustomView(R.layout.filtershow_actionbar);
169
170        mSaveButton = actionBar.getCustomView();
171        mSaveButton.setOnClickListener(new OnClickListener() {
172            @Override
173            public void onClick(View view) {
174                saveImage();
175            }
176        });
177
178        mImageShow = (ImageShow) findViewById(R.id.imageShow);
179        mImageTinyPlanet = (ImageTinyPlanet) findViewById(R.id.imageTinyPlanet);
180        mImageViews.add(mImageShow);
181        mImageViews.add(mImageTinyPlanet);
182
183        setupEditors();
184
185        mEditorPlaceHolder.hide();
186
187        mImageShow.setImageLoader(mImageLoader);
188        mImageTinyPlanet.setImageLoader(mImageLoader);
189
190        mPanelController.clear();
191        mPanelController.setActivity(this);
192        mPanelController.setEditorPlaceHolder(mEditorPlaceHolder);
193
194        mPanelController.addImageView(findViewById(R.id.imageShow));
195        mPanelController.addImageView(findViewById(R.id.imageTinyPlanet));
196
197        mPanelController.addPanel(R.id.fxButton, R.id.fxList, 0);
198        mPanelController.addPanel(R.id.borderButton, R.id.bordersList, 1);
199        mPanelController.addPanel(R.id.geometryButton, R.id.geometryList, 2);
200        mPanelController.addPanel(R.id.colorsButton, R.id.colorsFxList, 3);
201
202        fillFx((LinearLayout) findViewById(R.id.listFilters), R.id.fxButton);
203        LoadBordersTask loadBorders = new LoadBordersTask((LinearLayout) findViewById(R.id.listBorders));
204        loadBorders.execute();
205        fillGeometry();
206        fillFilters();
207
208        mPanelController.addView(findViewById(R.id.applyEffect));
209
210        findViewById(R.id.resetOperationsButton).setOnClickListener(
211                createOnClickResetOperationsButton());
212
213        ListView operationsList = (ListView) findViewById(R.id.operationsList);
214        operationsList.setAdapter(mMasterImage.getHistory());
215        operationsList.setOnItemClickListener(this);
216
217        ListView imageStateList = (ListView) findViewById(R.id.imageStateList);
218        imageStateList.setAdapter(mMasterImage.getState());
219        mImageLoader.setAdapter(mMasterImage.getHistory());
220
221        mPanelController.setRowPanel(findViewById(R.id.secondRowPanel));
222        mPanelController.setUtilityPanel(this, findViewById(R.id.filterButtonsList),
223                findViewById(R.id.panelAccessoryViewList),
224                findViewById(R.id.applyEffect));
225
226        mPanelController.setCurrentPanel(R.id.fxButton);
227    }
228
229    private void fillPanel(Vector<FilterRepresentation> representations, int layoutId, int buttonId) {
230        ImageButton button = (ImageButton) findViewById(buttonId);
231        LinearLayout layout = (LinearLayout) findViewById(layoutId);
232
233        for (FilterRepresentation representation : representations) {
234            setupFilterRepresentationButton(representation, layout, button);
235        }
236    }
237
238    private void fillFilters() {
239        Vector<FilterRepresentation> filtersRepresentations = new Vector<FilterRepresentation>();
240        FiltersManager filtersManager = FiltersManager.getManager();
241        filtersManager.addEffects(filtersRepresentations);
242        fillPanel(filtersRepresentations, R.id.listColorsFx, R.id.colorsButton);
243    }
244
245    private void fillGeometry() {
246        Vector<FilterRepresentation> filtersRepresentations = new Vector<FilterRepresentation>();
247        FiltersManager filtersManager = FiltersManager.getManager();
248
249        GeometryMetadata geo = new GeometryMetadata();
250        int[] editorsId = geo.getEditorIds();
251        for (int i = 0; i < editorsId.length; i++) {
252            int editorId = editorsId[i];
253            GeometryMetadata geometry = new GeometryMetadata(geo);
254            geometry.setEditorId(editorId);
255            EditorInfo editorInfo = (EditorInfo) mEditorPlaceHolder.getEditor(editorId);
256            geometry.setTextId(editorInfo.getTextId());
257            geometry.setOverlayId(editorInfo.getOverlayId());
258            geometry.setOverlayOnly(editorInfo.getOverlayOnly());
259            filtersRepresentations.add(geometry);
260        }
261
262        filtersManager.addTools(filtersRepresentations);
263        fillPanel(filtersRepresentations, R.id.listGeometry, R.id.geometryButton);
264    }
265
266    private void processIntent() {
267        Intent intent = getIntent();
268        if (intent.getBooleanExtra(LAUNCH_FULLSCREEN, false)) {
269            getWindow().addFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN);
270        }
271
272        mAction = intent.getAction();
273
274        if (intent.getData() != null) {
275            startLoadBitmap(intent.getData());
276        } else {
277            pickImage();
278        }
279
280        // Handle behavior for various actions
281        if (mAction.equalsIgnoreCase(CROP_ACTION)) {
282            Bundle extras = intent.getExtras();
283            if (extras != null) {
284                mCropExtras = new CropExtras(extras.getInt(CropExtras.KEY_OUTPUT_X, 0),
285                        extras.getInt(CropExtras.KEY_OUTPUT_Y, 0),
286                        extras.getBoolean(CropExtras.KEY_SCALE, true) &&
287                                extras.getBoolean(CropExtras.KEY_SCALE_UP_IF_NEEDED, false),
288                        extras.getInt(CropExtras.KEY_ASPECT_X, 0),
289                        extras.getInt(CropExtras.KEY_ASPECT_Y, 0),
290                        extras.getBoolean(CropExtras.KEY_SET_AS_WALLPAPER, false),
291                        extras.getBoolean(CropExtras.KEY_RETURN_DATA, false),
292                        (Uri) extras.getParcelable(MediaStore.EXTRA_OUTPUT),
293                        extras.getString(CropExtras.KEY_OUTPUT_FORMAT),
294                        extras.getBoolean(CropExtras.KEY_SHOW_WHEN_LOCKED, false),
295                        extras.getFloat(CropExtras.KEY_SPOTLIGHT_X),
296                        extras.getFloat(CropExtras.KEY_SPOTLIGHT_Y));
297
298                if (mCropExtras.getShowWhenLocked()) {
299                    getWindow().addFlags(WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED);
300                }
301                mImageShow.getImagePreset().mGeoData.setCropExtras(mCropExtras);
302
303                // FIXME: moving to editors breaks the crop action
304                EditorCrop crop = (EditorCrop) mEditorPlaceHolder.getEditor(EditorCrop.ID);
305
306                crop.setExtras(mCropExtras);
307                String s = getString(R.string.Fixed);
308                crop.setAspectString(s);
309                crop.setCropActionFlag(true);
310                mPanelController.setFixedAspect(mCropExtras.getAspectX() > 0
311                        && mCropExtras.getAspectY() > 0);
312            }
313        }
314    }
315
316    private void setupEditors() {
317        mEditorPlaceHolder.setContainer((FrameLayout) findViewById(R.id.editorContainer));
318        EditorManager.addEditors(mEditorPlaceHolder);
319        mEditorPlaceHolder.setOldViews(mImageViews);
320        mEditorPlaceHolder.setImageLoader(mImageLoader);
321    }
322
323    private void fillEditors() {
324        mEditorPlaceHolder.addEditor(new EditorDraw());
325        mEditorPlaceHolder.addEditor(new BasicEditor());
326        mEditorPlaceHolder.addEditor(new ImageOnlyEditor());
327        mEditorPlaceHolder.addEditor(new EditorTinyPlanet());
328        mEditorPlaceHolder.addEditor(new EditorRedEye());
329        mEditorPlaceHolder.addEditor(new EditorCrop());
330        mEditorPlaceHolder.addEditor(new EditorFlip());
331        mEditorPlaceHolder.addEditor(new EditorRotate());
332        mEditorPlaceHolder.addEditor(new EditorStraighten());
333    }
334
335    private void setDefaultValues() {
336        ImageFilter.setActivityForMemoryToasts(this);
337        ImageFilterRS.setRenderScriptContext(this);
338
339        Resources res = getResources();
340        ImageFilterBorder filterBorder = (ImageFilterBorder) FiltersManager.getManager().getFilter(ImageFilterBorder.class);
341        filterBorder.setResources(res);
342
343        ImageShow.setDefaultBackgroundColor(res.getColor(R.color.background_screen));
344        // TODO: get those values from XML.
345        ImageZoom.setZoomedSize(getPixelsFromDip(256));
346        FramedTextButton.setTextSize((int) getPixelsFromDip(14));
347        FramedTextButton.setTrianglePadding((int) getPixelsFromDip(4));
348        FramedTextButton.setTriangleSize((int) getPixelsFromDip(10));
349        ImageShow.setTextSize((int) getPixelsFromDip(12));
350        ImageShow.setTextPadding((int) getPixelsFromDip(10));
351        ImageShow.setOriginalTextMargin((int) getPixelsFromDip(4));
352        ImageShow.setOriginalTextSize((int) getPixelsFromDip(18));
353        ImageShow.setOriginalText(res.getString(R.string.original_picture_text));
354        mIconSeedSize = res.getDimensionPixelSize(R.dimen.thumbnail_size);
355
356        Drawable curveHandle = res.getDrawable(R.drawable.camera_crop);
357        int curveHandleSize = (int) res.getDimension(R.dimen.crop_indicator_size);
358        Spline.setCurveHandle(curveHandle, curveHandleSize);
359        Spline.setCurveWidth((int) getPixelsFromDip(3));
360
361        ImageCrop.setAspectTextSize((int) getPixelsFromDip(18));
362        ImageCrop.setTouchTolerance((int) getPixelsFromDip(25));
363        ImageCrop.setMinCropSize((int) getPixelsFromDip(55));
364    }
365
366    private void startLoadBitmap(Uri uri) {
367        final View filters = findViewById(R.id.filtersPanel);
368        final View loading = findViewById(R.id.loading);
369        final View imageShow = findViewById(R.id.imageShow);
370        imageShow.setVisibility(View.INVISIBLE);
371        filters.setVisibility(View.INVISIBLE);
372        loading.setVisibility(View.VISIBLE);
373
374        View tinyPlanetView = findViewById(EditorTinyPlanet.ID);
375        if (tinyPlanetView != null) {
376            tinyPlanetView.setVisibility(View.GONE);
377        }
378        mLoadBitmapTask = new LoadBitmapTask(tinyPlanetView);
379        mLoadBitmapTask.execute(uri);
380    }
381
382    private class LoadBordersTask extends AsyncTask<Void, Boolean, Boolean> {
383        Vector<FilterRepresentation> mBorders;
384        LinearLayout mList;
385
386        public LoadBordersTask(LinearLayout list) {
387            mList = list;
388            mBorders = new Vector<FilterRepresentation>();
389        }
390
391        @Override
392        protected Boolean doInBackground(Void... params) {
393            mBorders.add(new FilterImageBorderRepresentation(0));
394            mBorders.add(new FilterImageBorderRepresentation(R.drawable.filtershow_border_4x5));
395            mBorders.add(new FilterImageBorderRepresentation(R.drawable.filtershow_border_brush));
396            mBorders.add(new FilterImageBorderRepresentation(R.drawable.filtershow_border_grunge));
397            mBorders.add(new FilterImageBorderRepresentation(R.drawable.filtershow_border_sumi_e));
398            mBorders.add(new FilterImageBorderRepresentation(R.drawable.filtershow_border_tape));
399            mBorders.add(new FilterColorBorderRepresentation(Color.BLACK, mImageBorderSize, 0));
400            mBorders.add(new FilterColorBorderRepresentation(Color.BLACK, mImageBorderSize, mImageBorderSize));
401            mBorders.add(new FilterColorBorderRepresentation(Color.WHITE, mImageBorderSize, 0));
402            mBorders.add(new FilterColorBorderRepresentation(Color.WHITE, mImageBorderSize, mImageBorderSize));
403            int creamColor = Color.argb(255, 237, 237, 227);
404            mBorders.add(new FilterColorBorderRepresentation(creamColor, mImageBorderSize, 0));
405            mBorders.add(new FilterColorBorderRepresentation(creamColor, mImageBorderSize, mImageBorderSize));
406            return true;
407        }
408
409        @Override
410        protected void onPostExecute(Boolean result) {
411            if (!result) {
412                return;
413            }
414            for (int i = 0; i < mBorders.size(); i++) {
415                FilterRepresentation filter = mBorders.elementAt(i);
416                filter.setName(getString(R.string.borders));
417                if (i == 0) {
418                    filter.setName(getString(R.string.none));
419                }
420                ImageButton borderButton = (ImageButton) findViewById(R.id.borderButton);
421                FilterIconButton b = setupFilterRepresentationButton(filter, mList, borderButton);
422                if (i == 0) {
423                    mNullBorderFilter = b;
424                    mNullBorderFilter.setSelected(true);
425                }
426            }
427            fillButtonIcons();
428        }
429    }
430
431    private class LoadBitmapTask extends AsyncTask<Uri, Boolean, Boolean> {
432        View mTinyPlanetButton;
433        int mBitmapSize;
434
435        public LoadBitmapTask(View button) {
436            mTinyPlanetButton = button;
437            mBitmapSize = getScreenImageSize();
438        }
439
440        @Override
441        protected Boolean doInBackground(Uri... params) {
442            if (!mImageLoader.loadBitmap(params[0], mBitmapSize)) {
443                return false;
444            }
445            publishProgress(mImageLoader.queryLightCycle360());
446            return true;
447        }
448
449        @Override
450        protected void onProgressUpdate(Boolean... values) {
451            super.onProgressUpdate(values);
452            if (isCancelled()) {
453                return;
454            }
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            final View loading = findViewById(R.id.loading);
472            loading.setVisibility(View.GONE);
473            final View filters = findViewById(R.id.filtersPanel);
474            filters.setVisibility(View.VISIBLE);
475            if (PanelController.useAnimations()) {
476                float y = filters.getY();
477                filters.setY(y + filters.getHeight());
478                filters.animate().setDuration(600).y(y).withLayer().start();
479            }
480            final View imageShow = findViewById(R.id.imageShow);
481            imageShow.setVisibility(View.VISIBLE);
482
483            Bitmap largeBitmap = mImageLoader.getOriginalBitmapLarge();
484            FilteringPipeline pipeline = FilteringPipeline.getPipeline();
485            pipeline.setOriginal(largeBitmap);
486            float previewScale = (float) largeBitmap.getWidth() / (float) mImageLoader.getOriginalBounds().width();
487            pipeline.setPreviewScaleFactor(previewScale);
488
489            fillButtonIcons();
490            MasterImage.getImage().setOriginalGeometry(largeBitmap);
491            mLoadBitmapTask = null;
492
493            if (mAction == CROP_ACTION) {
494                mPanelController.showComponent(findViewById(EditorCrop.ID));
495            } else if (mAction == TINY_PLANET_ACTION) {
496                mPanelController.showComponent(findViewById(EditorTinyPlanet.ID));
497            }
498
499            super.onPostExecute(result);
500        }
501
502    }
503
504    private void fillButtonIcons() {
505        Bitmap bmap = mImageLoader.getOriginalBitmapSmall();
506        if (bmap != null && bmap.getWidth() > 0 && bmap.getHeight() > 0) {
507            float w = bmap.getWidth();
508            float h = bmap.getHeight();
509            float f = mIconSeedSize / Math.min(w, h);
510            w = w * f;
511            h = h * f;
512            bmap = Bitmap.createScaledBitmap(bmap, (int) w, (int) h, true);
513
514            LinearLayout listColors = (LinearLayout) findViewById(R.id.listColorsFx);
515            int num_colors_buttons = listColors.getChildCount();
516            for (int i = 0; i < num_colors_buttons; i++) {
517                FilterIconButton b = (FilterIconButton) listColors.getChildAt(i);
518                b.setIcon(bmap);
519            }
520
521            LinearLayout listFilters = (LinearLayout) findViewById(R.id.listFilters);
522            int num_filters_buttons = listFilters.getChildCount();
523            for (int i = 0; i < num_filters_buttons; i++) {
524                FilterIconButton b = (FilterIconButton) listFilters.getChildAt(i);
525                b.setIcon(bmap);
526            }
527
528            LinearLayout listBorders = (LinearLayout) findViewById(R.id.listBorders);
529            int num_borders_buttons = listBorders.getChildCount();
530            for (int i = 0; i < num_borders_buttons; i++) {
531                FilterIconButton b = (FilterIconButton) listBorders.getChildAt(i);
532                b.setIcon(bmap);
533            }
534
535        }
536    }
537
538    @Override
539    protected void onDestroy() {
540        if (mLoadBitmapTask != null) {
541            mLoadBitmapTask.cancel(false);
542        }
543        // TODO:  Using singletons is a bad design choice for many of these
544        // due static reference leaks and in general.  Please refactor.
545        MasterImage.reset();
546        FilteringPipeline.reset();
547        ImageFilter.resetStatics();
548        FiltersManager.reset();
549        super.onDestroy();
550    }
551
552    private int translateMainPanel(View viewPanel) {
553        int accessoryPanelWidth = viewPanel.getWidth();
554        int mainViewWidth = findViewById(R.id.mainView).getWidth();
555        int mainPanelWidth = mImageShow.getDisplayedImageBounds().width();
556        if (mainPanelWidth == 0) {
557            mainPanelWidth = mainViewWidth;
558        }
559        int filtersPanelWidth = findViewById(R.id.filtersPanel).getWidth();
560        if (mainPanelWidth < filtersPanelWidth) {
561            mainPanelWidth = filtersPanelWidth;
562        }
563        int leftOver = mainViewWidth - mainPanelWidth - accessoryPanelWidth;
564        if (leftOver < 0) {
565            return -accessoryPanelWidth;
566        }
567        return 0;
568    }
569
570    private int getScreenImageSize() {
571        DisplayMetrics metrics = new DisplayMetrics();
572        Display display = getWindowManager().getDefaultDisplay();
573        Point size = new Point();
574        display.getSize(size);
575        display.getMetrics(metrics);
576        int msize = Math.min(size.x, size.y);
577        return (133 * msize) / metrics.densityDpi;
578    }
579
580    private void showSavingProgress(String albumName) {
581        ProgressDialog progress;
582        if (mSavingProgressDialog != null) {
583            progress = mSavingProgressDialog.get();
584            if (progress != null) {
585                progress.show();
586                return;
587            }
588        }
589        // TODO: Allow cancellation of the saving process
590        String progressText;
591        if (albumName == null) {
592            progressText = getString(R.string.saving_image);
593        } else {
594            progressText = getString(R.string.filtershow_saving_image, albumName);
595        }
596        progress = ProgressDialog.show(this, "", progressText, true, false);
597        mSavingProgressDialog = new WeakReference<ProgressDialog>(progress);
598    }
599
600    private void hideSavingProgress() {
601        if (mSavingProgressDialog != null) {
602            ProgressDialog progress = mSavingProgressDialog.get();
603            if (progress != null)
604                progress.dismiss();
605        }
606    }
607
608    public void completeSaveImage(Uri saveUri) {
609        if (mSharingImage && mSharedOutputFile != null) {
610            // Image saved, we unblock the content provider
611            Uri uri = Uri.withAppendedPath(SharedImageProvider.CONTENT_URI,
612                    Uri.encode(mSharedOutputFile.getAbsolutePath()));
613            ContentValues values = new ContentValues();
614            values.put(SharedImageProvider.PREPARE, false);
615            getContentResolver().insert(uri, values);
616        }
617        setResult(RESULT_OK, new Intent().setData(saveUri));
618        hideSavingProgress();
619        finish();
620    }
621
622    @Override
623    public boolean onShareTargetSelected(ShareActionProvider arg0, Intent arg1) {
624        // First, let's tell the SharedImageProvider that it will need to wait
625        // for the image
626        Uri uri = Uri.withAppendedPath(SharedImageProvider.CONTENT_URI,
627                Uri.encode(mSharedOutputFile.getAbsolutePath()));
628        ContentValues values = new ContentValues();
629        values.put(SharedImageProvider.PREPARE, true);
630        getContentResolver().insert(uri, values);
631        mSharingImage = true;
632
633        // Process and save the image in the background.
634        showSavingProgress(null);
635        mImageShow.saveImage(this, mSharedOutputFile);
636        return true;
637    }
638
639    private Intent getDefaultShareIntent() {
640        Intent intent = new Intent(Intent.ACTION_SEND);
641        intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_WHEN_TASK_RESET);
642        intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
643        intent.setType(SharedImageProvider.MIME_TYPE);
644        mSharedOutputFile = SaveCopyTask.getNewFile(this, mImageLoader.getUri());
645        Uri uri = Uri.withAppendedPath(SharedImageProvider.CONTENT_URI,
646                Uri.encode(mSharedOutputFile.getAbsolutePath()));
647        intent.putExtra(Intent.EXTRA_STREAM, uri);
648        return intent;
649    }
650
651    @Override
652    public boolean onCreateOptionsMenu(Menu menu) {
653        getMenuInflater().inflate(R.menu.filtershow_activity_menu, menu);
654        MenuItem showHistory = menu.findItem(R.id.operationsButton);
655        if (mShowingHistoryPanel) {
656            showHistory.setTitle(R.string.hide_history_panel);
657        } else {
658            showHistory.setTitle(R.string.show_history_panel);
659        }
660        MenuItem showState = menu.findItem(R.id.showImageStateButton);
661        if (mShowingImageStatePanel) {
662            showState.setTitle(R.string.hide_imagestate_panel);
663        } else {
664            showState.setTitle(R.string.show_imagestate_panel);
665        }
666        mShareActionProvider = (ShareActionProvider) menu.findItem(R.id.menu_share)
667                .getActionProvider();
668        mShareActionProvider.setShareIntent(getDefaultShareIntent());
669        mShareActionProvider.setOnShareTargetSelectedListener(this);
670
671        MenuItem undoItem = menu.findItem(R.id.undoButton);
672        MenuItem redoItem = menu.findItem(R.id.redoButton);
673        MenuItem resetItem = menu.findItem(R.id.resetHistoryButton);
674        mMasterImage.getHistory().setMenuItems(undoItem, redoItem, resetItem);
675        return true;
676    }
677
678    @Override
679    public void onPause() {
680        super.onPause();
681        if (mShareActionProvider != null) {
682            mShareActionProvider.setOnShareTargetSelectedListener(null);
683        }
684    }
685
686    @Override
687    public void onResume() {
688        super.onResume();
689        if (mShareActionProvider != null) {
690            mShareActionProvider.setOnShareTargetSelectedListener(this);
691        }
692    }
693
694    @Override
695    public boolean onOptionsItemSelected(MenuItem item) {
696        switch (item.getItemId()) {
697            case R.id.undoButton: {
698                HistoryAdapter adapter = mMasterImage.getHistory();
699                int position = adapter.undo();
700                mMasterImage.onHistoryItemClick(position);
701                mImageShow.showToast("Undo");
702                invalidateViews();
703                return true;
704            }
705            case R.id.redoButton: {
706                HistoryAdapter adapter = mMasterImage.getHistory();
707                int position = adapter.redo();
708                mMasterImage.onHistoryItemClick(position);
709                mImageShow.showToast("Redo");
710                invalidateViews();
711                return true;
712            }
713            case R.id.resetHistoryButton: {
714                resetHistory();
715                return true;
716            }
717            case R.id.showImageStateButton: {
718                toggleImageStatePanel();
719                return true;
720            }
721            case R.id.operationsButton: {
722                toggleHistoryPanel();
723                return true;
724            }
725            case android.R.id.home: {
726                saveImage();
727                return true;
728            }
729        }
730        return false;
731    }
732
733    public void enableSave(boolean enable) {
734        if (mSaveButton != null)
735            mSaveButton.setEnabled(enable);
736    }
737
738    public FilterIconButton setupFilterRepresentationButton(FilterRepresentation representation, LinearLayout panel, View button) {
739        LayoutInflater inflater =
740                (LayoutInflater) getSystemService(Context.LAYOUT_INFLATER_SERVICE);
741        FilterIconButton icon = (FilterIconButton) inflater.inflate(R.layout.filtericonbutton,
742                panel, false);
743        if (representation.getTextId() != 0) {
744            representation.setName(getString(representation.getTextId()));
745        }
746        String text = representation.getName();
747        icon.setup(text, mPanelController, panel);
748        icon.setFilterRepresentation(representation);
749        icon.setId(representation.getEditorId());
750        mPanelController.addComponent(button, icon);
751        panel.addView(icon);
752        return icon;
753    }
754
755    private void fillFx(LinearLayout listFilters, int buttonId) {
756        // TODO: use listview
757        // TODO: load the filters straight from the filesystem
758
759        FilterFxRepresentation[] fxArray = new FilterFxRepresentation[18];
760        int p = 0;
761
762        int[] drawid = {
763                R.drawable.filtershow_fx_0005_punch,
764                R.drawable.filtershow_fx_0000_vintage,
765                R.drawable.filtershow_fx_0004_bw_contrast,
766                R.drawable.filtershow_fx_0002_bleach,
767                R.drawable.filtershow_fx_0001_instant,
768                R.drawable.filtershow_fx_0007_washout,
769                R.drawable.filtershow_fx_0003_blue_crush,
770                R.drawable.filtershow_fx_0008_washout_color,
771                R.drawable.filtershow_fx_0006_x_process
772        };
773
774        int[] fxNameid = {
775                R.string.ffx_punch,
776                R.string.ffx_vintage,
777                R.string.ffx_bw_contrast,
778                R.string.ffx_bleach,
779                R.string.ffx_instant,
780                R.string.ffx_washout,
781                R.string.ffx_blue_crush,
782                R.string.ffx_washout_color,
783                R.string.ffx_x_process
784        };
785
786        BitmapFactory.Options o = new BitmapFactory.Options();
787        o.inScaled = false;
788
789        for (int i = 0; i < drawid.length; i++) {
790            Bitmap b = BitmapFactory.decodeResource(getResources(), drawid[i], o);
791            FilterFxRepresentation fx = new FilterFxRepresentation(getString(fxNameid[i]), drawid[i], fxNameid[i]);
792            fx.setFxBitmap(b);
793            fxArray[p++] = fx;
794        }
795
796        ImageButton button = (ImageButton) findViewById(buttonId);
797
798        FilterFxRepresentation nullFx = new FilterFxRepresentation(getString(R.string.none), 0, R.string.none);
799        mNullFxFilter = setupFilterRepresentationButton(nullFx, listFilters, button);
800        mNullFxFilter.setSelected(true);
801
802        Vector<FilterRepresentation> filtersRepresentations = new Vector<FilterRepresentation>();
803        FiltersManager.getManager().addLooks(filtersRepresentations);
804        for (FilterRepresentation representation : filtersRepresentations) {
805            setupFilterRepresentationButton(representation, listFilters, button);
806        }
807
808        for (int i = 0; i < p; i++) {
809            setupFilterRepresentationButton(fxArray[i], listFilters, button);
810        }
811    }
812
813    public void setDefaultPreset() {
814        // Default preset (original)
815        ImagePreset preset = new ImagePreset(getString(R.string.history_original)); // empty
816        preset.setImageLoader(mImageLoader);
817
818        mMasterImage.setPreset(preset, true);
819    }
820
821    // //////////////////////////////////////////////////////////////////////////////
822    // Some utility functions
823    // TODO: finish the cleanup.
824
825    public void invalidateViews() {
826        for (ImageShow views : mImageViews) {
827            views.invalidate();
828            views.updateImage();
829        }
830    }
831
832    public void hideImageViews() {
833        for (View view : mImageViews) {
834            view.setVisibility(View.GONE);
835        }
836        mEditorPlaceHolder.hide();
837    }
838
839    // //////////////////////////////////////////////////////////////////////////////
840    // imageState panel...
841
842    public boolean isShowingHistoryPanel() {
843        return mShowingHistoryPanel;
844    }
845
846    private void toggleImageStatePanel() {
847        final View viewList = findViewById(R.id.imageStatePanel);
848
849        if (mShowingHistoryPanel) {
850            findViewById(R.id.historyPanel).setVisibility(View.GONE);
851            mShowingHistoryPanel = false;
852        }
853
854        if (!mShowingImageStatePanel) {
855            mShowingImageStatePanel = true;
856            viewList.setVisibility(View.VISIBLE);
857        } else {
858            mShowingImageStatePanel = false;
859            viewList.setVisibility(View.GONE);
860        }
861        invalidateOptionsMenu();
862    }
863
864    @Override
865    public void onConfigurationChanged(Configuration newConfig)
866    {
867        super.onConfigurationChanged(newConfig);
868        setDefaultValues();
869        loadXML();
870        mShowingImageStatePanel = true;
871        if (mShowingHistoryPanel) {
872            toggleHistoryPanel();
873        }
874        final View loading = findViewById(R.id.loading);
875        loading.setVisibility(View.GONE);
876    }
877
878    public void setupMasterImage() {
879        mImageLoader = new ImageLoader(this, getApplicationContext());
880
881        HistoryAdapter mHistoryAdapter = new HistoryAdapter(
882                this, R.layout.filtershow_history_operation_row,
883                R.id.rowTextView);
884        ImageStateAdapter mImageStateAdapter = new ImageStateAdapter(this,
885                R.layout.filtershow_imagestate_row);
886
887        MasterImage.reset();
888        mMasterImage = MasterImage.getImage();
889        mMasterImage.setHistoryAdapter(mHistoryAdapter);
890        mMasterImage.setStateAdapter(mImageStateAdapter);
891        mMasterImage.setActivity(this);
892    }
893
894    // //////////////////////////////////////////////////////////////////////////////
895    // history panel...
896
897    public void toggleHistoryPanel() {
898        final View view = findViewById(R.id.mainPanel);
899        final View viewList = findViewById(R.id.historyPanel);
900
901        if (mShowingImageStatePanel) {
902            findViewById(R.id.imageStatePanel).setVisibility(View.GONE);
903            mShowingImageStatePanel = false;
904        }
905
906        int translate = translateMainPanel(viewList);
907        if (!mShowingHistoryPanel) {
908            mShowingHistoryPanel = true;
909            if (getResources().getConfiguration().orientation
910                    == Configuration.ORIENTATION_PORTRAIT) {
911                if (PanelController.useAnimations()) {
912                    view.animate().setDuration(200).x(translate)
913                            .withLayer().withEndAction(new Runnable() {
914                        @Override
915                        public void run() {
916                            viewList.setAlpha(0);
917                            viewList.setVisibility(View.VISIBLE);
918                            viewList.animate().setDuration(100)
919                                    .alpha(1.0f).start();
920                        }
921                    }).start();
922                } else {
923                    view.setX(translate);
924                    viewList.setAlpha(0);
925                    viewList.setVisibility(View.VISIBLE);
926                    viewList.animate().setDuration(100)
927                            .alpha(1.0f).start();
928                }
929            } else {
930                viewList.setVisibility(View.VISIBLE);
931            }
932        } else {
933            mShowingHistoryPanel = false;
934            if (getResources().getConfiguration().orientation
935                    == Configuration.ORIENTATION_PORTRAIT) {
936                viewList.setVisibility(View.INVISIBLE);
937                if (PanelController.useAnimations()) {
938                    view.animate().setDuration(200).x(0).withLayer()
939                            .start();
940                } else {
941                    view.setX(0);
942                }
943            } else {
944                viewList.setVisibility(View.GONE);
945            }
946        }
947        invalidateOptionsMenu();
948    }
949
950    public void dispatchNullFilterClick() {
951        mNullFxFilter.onClick(mNullFxFilter);
952        mNullBorderFilter.onClick(mNullBorderFilter);
953    }
954
955    void resetHistory() {
956        dispatchNullFilterClick();
957        HistoryAdapter adapter = mMasterImage.getHistory();
958        adapter.reset();
959        ImagePreset original = new ImagePreset(adapter.getItem(0));
960        mMasterImage.setPreset(original, true);
961        mPanelController.resetParameters();
962        invalidateViews();
963    }
964
965    // reset button in the history panel.
966    private OnClickListener createOnClickResetOperationsButton() {
967        return new View.OnClickListener() {
968            @Override
969            public void onClick(View v) {
970                resetHistory();
971            }
972        };
973    }
974
975    @Override
976    public void onBackPressed() {
977        if (mPanelController.onBackPressed()) {
978            saveImage();
979        }
980    }
981
982    public PanelController getPanelController() {
983        return mPanelController;
984    }
985
986    public void cannotLoadImage() {
987        CharSequence text = getString(R.string.cannot_load_image);
988        Toast toast = Toast.makeText(this, text, Toast.LENGTH_SHORT);
989        toast.show();
990        finish();
991    }
992
993    // //////////////////////////////////////////////////////////////////////////////
994
995    public float getPixelsFromDip(float value) {
996        Resources r = getResources();
997        return TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, value,
998                r.getDisplayMetrics());
999    }
1000
1001    @Override
1002    public void onItemClick(AdapterView<?> parent, View view, int position,
1003            long id) {
1004        mMasterImage.onHistoryItemClick(position);
1005        invalidateViews();
1006    }
1007
1008    public void pickImage() {
1009        Intent intent = new Intent();
1010        intent.setType("image/*");
1011        intent.setAction(Intent.ACTION_GET_CONTENT);
1012        startActivityForResult(Intent.createChooser(intent, getString(R.string.select_image)),
1013                SELECT_PICTURE);
1014    }
1015
1016    @Override
1017    public void onActivityResult(int requestCode, int resultCode, Intent data) {
1018        if (resultCode == RESULT_OK) {
1019            if (requestCode == SELECT_PICTURE) {
1020                Uri selectedImageUri = data.getData();
1021                startLoadBitmap(selectedImageUri);
1022            }
1023        }
1024    }
1025
1026    private boolean mSaveToExtraUri = false;
1027    private boolean mSaveAsWallpaper = false;
1028    private boolean mReturnAsExtra = false;
1029    private boolean mOutputted = false;
1030
1031    public void saveImage() {
1032        if (mCropExtras != null) {
1033            if (mCropExtras.getExtraOutput() != null) {
1034                mSaveToExtraUri = true;
1035                mOutputted = true;
1036            }
1037            if (mCropExtras.getSetAsWallpaper()) {
1038                mSaveAsWallpaper = true;
1039                mOutputted = true;
1040            }
1041            if (mCropExtras.getReturnData()) {
1042
1043                mReturnAsExtra = true;
1044                mOutputted = true;
1045            }
1046
1047            if (mOutputted) {
1048                mImageShow.getImagePreset().mGeoData.setUseCropExtrasFlag(true);
1049                showSavingProgress(null);
1050                mImageShow.returnFilteredResult(this);
1051            }
1052        }
1053        if (!mOutputted) {
1054            if (mImageShow.hasModifications()) {
1055                // Get the name of the album, to which the image will be saved
1056                File saveDir = SaveCopyTask.getFinalSaveDirectory(this, mImageLoader.getUri());
1057                int bucketId = GalleryUtils.getBucketId(saveDir.getPath());
1058                String albumName = LocalAlbum.getLocalizedName(getResources(), bucketId, null);
1059                showSavingProgress(albumName);
1060                mImageShow.saveImage(this, null);
1061            } else {
1062                done();
1063            }
1064        }
1065    }
1066
1067    public void onFilteredResult(Bitmap filtered) {
1068        Intent intent = new Intent();
1069        intent.putExtra(CropExtras.KEY_CROPPED_RECT, mImageShow.getImageCropBounds());
1070        if (mSaveToExtraUri) {
1071            mImageShow.saveToUri(filtered, mCropExtras.getExtraOutput(),
1072                    mCropExtras.getOutputFormat(), this);
1073        }
1074        if (mSaveAsWallpaper) {
1075            setWallpaperInBackground(filtered);
1076        }
1077        if (mReturnAsExtra) {
1078            if (filtered != null) {
1079                int bmapSize = filtered.getRowBytes() * filtered.getHeight();
1080                /*
1081                 * Max size of Binder transaction buffer is 1Mb, so constrain
1082                 * Bitmap to be somewhat less than this, otherwise we get
1083                 * TransactionTooLargeExceptions.
1084                 */
1085                if (bmapSize > MAX_BMAP_IN_INTENT) {
1086                    Log.w(LOGTAG, "Bitmap too large to be returned via intent");
1087                } else {
1088                    intent.putExtra(CropExtras.KEY_DATA, filtered);
1089                }
1090            }
1091        }
1092        setResult(RESULT_OK, intent);
1093        if (!mSaveToExtraUri) {
1094            done();
1095        }
1096    }
1097
1098    void setWallpaperInBackground(final Bitmap bmap) {
1099        Toast.makeText(this, R.string.setting_wallpaper, Toast.LENGTH_LONG).show();
1100        BitmapTask.Callbacks<FilterShowActivity> cb = new BitmapTask.Callbacks<FilterShowActivity>() {
1101            @Override
1102            public void onComplete(Bitmap result) {}
1103
1104            @Override
1105            public void onCancel() {}
1106
1107            @Override
1108            public Bitmap onExecute(FilterShowActivity param) {
1109                try {
1110                    WallpaperManager.getInstance(param).setBitmap(bmap);
1111                } catch (IOException e) {
1112                    Log.w(LOGTAG, "fail to set wall paper", e);
1113                }
1114                return null;
1115            }
1116        };
1117        (new BitmapTask<FilterShowActivity>(cb)).execute(this);
1118    }
1119
1120    public void done() {
1121        if (mOutputted) {
1122            hideSavingProgress();
1123        }
1124        finish();
1125    }
1126
1127    static {
1128        System.loadLibrary("jni_filtershow_filters");
1129    }
1130
1131}
1132