Home | History | Annotate | Download | only in app 
      1 /*
      2  * Copyright (C) 2009 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 package com.android.gallery3d.app;
     18 
     19 import android.app.Dialog;
     20 import android.content.AsyncQueryHandler;
     21 import android.content.ContentResolver;
     22 import android.content.DialogInterface;
     23 import android.content.DialogInterface.OnCancelListener;
     24 import android.content.Intent;
     25 import android.database.Cursor;
     26 import android.net.Uri;
     27 import android.os.Bundle;
     28 import android.provider.OpenableColumns;
     29 import android.view.Menu;
     30 import android.view.Window;
     31 import android.widget.Toast;
     32 
     33 import com.android.gallery3d.R;
     34 import com.android.gallery3d.common.Utils;
     35 import com.android.gallery3d.data.DataManager;
     36 import com.android.gallery3d.data.MediaItem;
     37 import com.android.gallery3d.data.MediaSet;
     38 import com.android.gallery3d.data.Path;
     39 import com.android.gallery3d.picasasource.PicasaSource;
     40 import com.android.gallery3d.ui.GLRoot;
     41 import com.android.gallery3d.util.GalleryUtils;
     42 
     43 public final class Gallery extends AbstractGalleryActivity implements OnCancelListener {
     44     public static final String EXTRA_SLIDESHOW = "slideshow";
     45     public static final String EXTRA_DREAM = "dream";
     46     public static final String EXTRA_CROP = "crop";
     47 
     48     public static final String ACTION_REVIEW = "com.android.camera.action.REVIEW";
     49     public static final String KEY_GET_CONTENT = "get-content";
     50     public static final String KEY_GET_ALBUM = "get-album";
     51     public static final String KEY_TYPE_BITS = "type-bits";
     52     public static final String KEY_MEDIA_TYPES = "mediaTypes";
     53 
     54     private static final String TAG = "Gallery";
     55     private Dialog mVersionCheckDialog;
     56 
     57     @Override
     58     protected void onCreate(Bundle savedInstanceState) {
     59         super.onCreate(savedInstanceState);
     60         requestWindowFeature(Window.FEATURE_ACTION_BAR);
     61         requestWindowFeature(Window.FEATURE_ACTION_BAR_OVERLAY);
     62 
     63         setContentView(R.layout.main);
     64 
     65         if (savedInstanceState != null) {
     66             getStateManager().restoreFromState(savedInstanceState);
     67         } else {
     68             initializeByIntent();
     69         }
     70     }
     71 
     72     private void initializeByIntent() {
     73         Intent intent = getIntent();
     74         String action = intent.getAction();
     75 
     76         if (Intent.ACTION_GET_CONTENT.equalsIgnoreCase(action)) {
     77             startGetContent(intent);
     78         } else if (Intent.ACTION_PICK.equalsIgnoreCase(action)) {
     79             // We do NOT really support the PICK intent. Handle it as
     80             // the GET_CONTENT. However, we need to translate the type
     81             // in the intent here.
     82             Log.w(TAG, "action PICK is not supported");
     83             String type = Utils.ensureNotNull(intent.getType());
     84             if (type.startsWith("vnd.android.cursor.dir/")) {
     85                 if (type.endsWith("/image")) intent.setType("image/*");
     86                 if (type.endsWith("/video")) intent.setType("video/*");
     87             }
     88             startGetContent(intent);
     89         } else if (Intent.ACTION_VIEW.equalsIgnoreCase(action)
     90                 || ACTION_REVIEW.equalsIgnoreCase(action)){
     91             startViewAction(intent);
     92         } else {
     93             startDefaultPage();
     94         }
     95     }
     96 
     97     public void startDefaultPage() {
     98         PicasaSource.showSignInReminder(this);
     99         Bundle data = new Bundle();
    100         data.putString(AlbumSetPage.KEY_MEDIA_PATH,
    101                 getDataManager().getTopSetPath(DataManager.INCLUDE_ALL));
    102         getStateManager().startState(AlbumSetPage.class, data);
    103         mVersionCheckDialog = PicasaSource.getVersionCheckDialog(this);
    104         if (mVersionCheckDialog != null) {
    105             mVersionCheckDialog.setOnCancelListener(this);
    106         }
    107     }
    108 
    109     private void startGetContent(Intent intent) {
    110         Bundle data = intent.getExtras() != null
    111                 ? new Bundle(intent.getExtras())
    112                 : new Bundle();
    113         data.putBoolean(KEY_GET_CONTENT, true);
    114         int typeBits = GalleryUtils.determineTypeBits(this, intent);
    115         data.putInt(KEY_TYPE_BITS, typeBits);
    116         data.putString(AlbumSetPage.KEY_MEDIA_PATH,
    117                 getDataManager().getTopSetPath(typeBits));
    118         getStateManager().startState(AlbumSetPage.class, data);
    119     }
    120 
    121     private String getContentType(Intent intent) {
    122         String type = intent.getType();
    123         if (type != null) return type;
    124 
    125         Uri uri = intent.getData();
    126         try {
    127             return getContentResolver().getType(uri);
    128         } catch (Throwable t) {
    129             Log.w(TAG, "get type fail", t);
    130             return null;
    131         }
    132     }
    133 
    134     private void startViewAction(Intent intent) {
    135         Boolean slideshow = intent.getBooleanExtra(EXTRA_SLIDESHOW, false);
    136         if (slideshow) {
    137             getActionBar().hide();
    138             DataManager manager = getDataManager();
    139             Path path = manager.findPathByUri(intent.getData(), intent.getType());
    140             if (path == null || manager.getMediaObject(path)
    141                     instanceof MediaItem) {
    142                 path = Path.fromString(
    143                         manager.getTopSetPath(DataManager.INCLUDE_IMAGE));
    144             }
    145             Bundle data = new Bundle();
    146             data.putString(SlideshowPage.KEY_SET_PATH, path.toString());
    147             data.putBoolean(SlideshowPage.KEY_RANDOM_ORDER, true);
    148             data.putBoolean(SlideshowPage.KEY_REPEAT, true);
    149             if (intent.getBooleanExtra(EXTRA_DREAM, false)) {
    150                 data.putBoolean(SlideshowPage.KEY_DREAM, true);
    151             }
    152             getStateManager().startState(SlideshowPage.class, data);
    153         } else {
    154             Bundle data = new Bundle();
    155             DataManager dm = getDataManager();
    156             Uri uri = intent.getData();
    157             String contentType = getContentType(intent);
    158             if (contentType == null) {
    159                 Toast.makeText(this,
    160                         R.string.no_such_item, Toast.LENGTH_LONG).show();
    161                 finish();
    162                 return;
    163             }
    164             if (uri == null) {
    165                 int typeBits = GalleryUtils.determineTypeBits(this, intent);
    166                 data.putInt(KEY_TYPE_BITS, typeBits);
    167                 data.putString(AlbumSetPage.KEY_MEDIA_PATH,
    168                         getDataManager().getTopSetPath(typeBits));
    169                 getStateManager().startState(AlbumSetPage.class, data);
    170             } else if (contentType.startsWith(
    171                     ContentResolver.CURSOR_DIR_BASE_TYPE)) {
    172                 int mediaType = intent.getIntExtra(KEY_MEDIA_TYPES, 0);
    173                 if (mediaType != 0) {
    174                     uri = uri.buildUpon().appendQueryParameter(
    175                             KEY_MEDIA_TYPES, String.valueOf(mediaType))
    176                             .build();
    177                 }
    178                 Path setPath = dm.findPathByUri(uri, null);
    179                 MediaSet mediaSet = null;
    180                 if (setPath != null) {
    181                     mediaSet = (MediaSet) dm.getMediaObject(setPath);
    182                 }
    183                 if (mediaSet != null) {
    184                     if (mediaSet.isLeafAlbum()) {
    185                         data.putString(AlbumPage.KEY_MEDIA_PATH, setPath.toString());
    186                         data.putString(AlbumPage.KEY_PARENT_MEDIA_PATH,
    187                                 dm.getTopSetPath(DataManager.INCLUDE_ALL));
    188                         getStateManager().startState(AlbumPage.class, data);
    189                     } else {
    190                         data.putString(AlbumSetPage.KEY_MEDIA_PATH, setPath.toString());
    191                         getStateManager().startState(AlbumSetPage.class, data);
    192                     }
    193                 } else {
    194                     startDefaultPage();
    195                 }
    196             } else {
    197                 Path itemPath = dm.findPathByUri(uri, intent.getType());
    198                 Path albumPath = dm.getDefaultSetOf(itemPath);
    199                 // TODO: Make this parameter public so other activities can reference it.
    200                 boolean singleItemOnly = intent.getBooleanExtra("SingleItemOnly", false);
    201                 if (!singleItemOnly && (albumPath != null)) {
    202                     data.putString(PhotoPage.KEY_MEDIA_SET_PATH, albumPath.toString());
    203                 }
    204                 data.putString(PhotoPage.KEY_MEDIA_ITEM_PATH, itemPath.toString());
    205                 if (intent.getBooleanExtra(PhotoPage.KEY_TREAT_BACK_AS_UP, false)) {
    206                     data.putBoolean(PhotoPage.KEY_TREAT_BACK_AS_UP, true);
    207                 }
    208 
    209                 // Displays the filename as title, reading the filename from the interface:
    210                 // {@link android.provider.OpenableColumns#DISPLAY_NAME}.
    211                 AsyncQueryHandler queryHandler = new AsyncQueryHandler(getContentResolver()) {
    212                     @Override
    213                     protected void onQueryComplete(int token, Object cookie, Cursor cursor) {
    214                         try {
    215                             if ((cursor != null) && cursor.moveToFirst()) {
    216                                 String displayName = cursor.getString(0);
    217 
    218                                 // Just show empty title if other apps don't set DISPLAY_NAME
    219                                 setTitle((displayName == null) ? "" : displayName);
    220                             }
    221                         } finally {
    222                             Utils.closeSilently(cursor);
    223                         }
    224                     }
    225                 };
    226                 queryHandler.startQuery(0, null, uri, new String[] {OpenableColumns.DISPLAY_NAME},
    227                         null, null, null);
    228 
    229                 getStateManager().startState(PhotoPage.class, data);
    230             }
    231         }
    232     }
    233 
    234     @Override
    235     public boolean onCreateOptionsMenu(Menu menu) {
    236         super.onCreateOptionsMenu(menu);
    237         return getStateManager().createOptionsMenu(menu);
    238     }
    239 
    240     @Override
    241     protected void onResume() {
    242         Utils.assertTrue(getStateManager().getStateCount() > 0);
    243         super.onResume();
    244         if (mVersionCheckDialog != null) {
    245             mVersionCheckDialog.show();
    246         }
    247     }
    248 
    249     @Override
    250     protected void onPause() {
    251         super.onPause();
    252         if (mVersionCheckDialog != null) {
    253             mVersionCheckDialog.dismiss();
    254         }
    255     }
    256 
    257     @Override
    258     public void onCancel(DialogInterface dialog) {
    259         if (dialog == mVersionCheckDialog) {
    260             mVersionCheckDialog = null;
    261         }
    262     }
    263 }
    264