PhotoViewActivity.java revision 9007d640832f674a9d65058a3c2a484c078d239e
1f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein/* 2f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein * Copyright (C) 2011 Google Inc. 3f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein * Licensed to The Android Open Source Project. 4f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein * 5f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein * Licensed under the Apache License, Version 2.0 (the "License"); 6f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein * you may not use this file except in compliance with the License. 7f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein * You may obtain a copy of the License at 8f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein * 9f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein * http://www.apache.org/licenses/LICENSE-2.0 10f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein * 11f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein * Unless required by applicable law or agreed to in writing, software 12f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein * distributed under the License is distributed on an "AS IS" BASIS, 13f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein * See the License for the specific language governing permissions and 15f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein * limitations under the License. 16f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein */ 17f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 18f77a7eb196d16110c7b1087352b423913821ff61Andrew Sappersteinpackage com.android.ex.photo; 19f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 20f77a7eb196d16110c7b1087352b423913821ff61Andrew Sappersteinimport android.app.ActionBar; 21f77a7eb196d16110c7b1087352b423913821ff61Andrew Sappersteinimport android.app.Activity; 22f77a7eb196d16110c7b1087352b423913821ff61Andrew Sappersteinimport android.app.ActivityManager; 23f77a7eb196d16110c7b1087352b423913821ff61Andrew Sappersteinimport android.app.Fragment; 24f77a7eb196d16110c7b1087352b423913821ff61Andrew Sappersteinimport android.app.LoaderManager.LoaderCallbacks; 25f77a7eb196d16110c7b1087352b423913821ff61Andrew Sappersteinimport android.content.Intent; 26f77a7eb196d16110c7b1087352b423913821ff61Andrew Sappersteinimport android.content.Loader; 27f77a7eb196d16110c7b1087352b423913821ff61Andrew Sappersteinimport android.database.Cursor; 28f77a7eb196d16110c7b1087352b423913821ff61Andrew Sappersteinimport android.net.Uri; 29f77a7eb196d16110c7b1087352b423913821ff61Andrew Sappersteinimport android.os.Bundle; 30f77a7eb196d16110c7b1087352b423913821ff61Andrew Sappersteinimport android.os.Handler; 31f77a7eb196d16110c7b1087352b423913821ff61Andrew Sappersteinimport android.support.v4.view.ViewPager.OnPageChangeListener; 32f77a7eb196d16110c7b1087352b423913821ff61Andrew Sappersteinimport android.view.View; 33f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 34f77a7eb196d16110c7b1087352b423913821ff61Andrew Sappersteinimport com.android.ex.photo.PhotoViewPager.InterceptType; 35f77a7eb196d16110c7b1087352b423913821ff61Andrew Sappersteinimport com.android.ex.photo.PhotoViewPager.OnInterceptTouchListener; 36f77a7eb196d16110c7b1087352b423913821ff61Andrew Sappersteinimport com.android.ex.photo.adapters.BaseFragmentPagerAdapter.OnFragmentPagerListener; 37f77a7eb196d16110c7b1087352b423913821ff61Andrew Sappersteinimport com.android.ex.photo.adapters.PhotoPagerAdapter; 380c18e5deef5209d21b527a01feb6b789715eb48eAndrew Sappersteinimport com.android.ex.photo.fragments.PhotoViewFragment; 39f77a7eb196d16110c7b1087352b423913821ff61Andrew Sappersteinimport com.android.ex.photo.loaders.PhotoPagerLoader; 40f77a7eb196d16110c7b1087352b423913821ff61Andrew Sappersteinimport com.android.ex.photo.provider.PhotoContract; 41f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 42f77a7eb196d16110c7b1087352b423913821ff61Andrew Sappersteinimport java.util.HashSet; 43f77a7eb196d16110c7b1087352b423913821ff61Andrew Sappersteinimport java.util.Set; 44f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 45f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein/** 46f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein * Activity to view the contents of an album. 47f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein */ 48f77a7eb196d16110c7b1087352b423913821ff61Andrew Sappersteinpublic class PhotoViewActivity extends Activity implements 49f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein LoaderCallbacks<Cursor>, OnPageChangeListener, OnInterceptTouchListener, 50f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein OnFragmentPagerListener { 51f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 52f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein /** 53f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein * Listener to be invoked for screen events. 54f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein */ 55f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein public static interface OnScreenListener { 56f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 57f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein /** 58f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein * The full screen state has changed. 59f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein */ 60f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein public void onFullScreenChanged(boolean fullScreen, boolean animate); 61f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 62f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein /** 63f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein * A new view has been activated and the previous view de-activated. 64f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein */ 65f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein public void onViewActivated(); 66f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 67f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein /** 68f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein * Called when a right-to-left touch move intercept is about to occur. 69f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein * 70f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein * @param origX the raw x coordinate of the initial touch 71f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein * @param origY the raw y coordinate of the initial touch 72f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein * @return {@code true} if the touch should be intercepted. 73f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein */ 74f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein public boolean onInterceptMoveLeft(float origX, float origY); 75f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 76f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein /** 77f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein * Called when a left-to-right touch move intercept is about to occur. 78f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein * 79f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein * @param origX the raw x coordinate of the initial touch 80f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein * @param origY the raw y coordinate of the initial touch 81f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein * @return {@code true} if the touch should be intercepted. 82f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein */ 83f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein public boolean onInterceptMoveRight(float origX, float origY); 84f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein } 85f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 860c18e5deef5209d21b527a01feb6b789715eb48eAndrew Sapperstein public static interface CursorChangedListener { 870c18e5deef5209d21b527a01feb6b789715eb48eAndrew Sapperstein /** 880c18e5deef5209d21b527a01feb6b789715eb48eAndrew Sapperstein * Called when the cursor that contains the photo list data 890c18e5deef5209d21b527a01feb6b789715eb48eAndrew Sapperstein * is updated. Note that there is no guarantee that the cursor 900c18e5deef5209d21b527a01feb6b789715eb48eAndrew Sapperstein * will be at the proper position. 910c18e5deef5209d21b527a01feb6b789715eb48eAndrew Sapperstein * @param cursor the cursor containing the photo list data 920c18e5deef5209d21b527a01feb6b789715eb48eAndrew Sapperstein */ 930c18e5deef5209d21b527a01feb6b789715eb48eAndrew Sapperstein public void onCursorChanged(Cursor cursor); 940c18e5deef5209d21b527a01feb6b789715eb48eAndrew Sapperstein } 950c18e5deef5209d21b527a01feb6b789715eb48eAndrew Sapperstein 96f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein private final static String STATE_ITEM_KEY = 97f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein "com.google.android.apps.plus.PhotoViewFragment.ITEM"; 98f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein private final static String STATE_FULLSCREEN_KEY = 99f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein "com.google.android.apps.plus.PhotoViewFragment.FULLSCREEN"; 100f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 101f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein private static final int LOADER_PHOTO_LIST = 1; 102f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 103f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein /** Count used when the real photo count is unknown [but, may be determined] */ 104f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein public static final int ALBUM_COUNT_UNKNOWN = -1; 105f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 106f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein /** Argument key for the dialog message */ 107f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein public static final String KEY_MESSAGE = "dialog_message"; 108f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 109f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein public static int sMemoryClass; 110f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 111f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein /** The URI of the photos we're viewing; may be {@code null} */ 112f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein private String mPhotosUri; 113f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein /** The index of the currently viewed photo */ 114f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein private int mPhotoIndex; 115f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein /** The query projection to use; may be {@code null} */ 116f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein private String[] mProjection; 117f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein /** The name of the particular photo being viewed. */ 118f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein private String mPhotoName; 119f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein /** The total number of photos; only valid if {@link #mIsEmpty} is {@code false}. */ 120f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein private int mAlbumCount = ALBUM_COUNT_UNKNOWN; 121f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein /** {@code true} if the view is empty. Otherwise, {@code false}. */ 122f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein private boolean mIsEmpty; 1230c18e5deef5209d21b527a01feb6b789715eb48eAndrew Sapperstein /** The view to be shown if the current photo is not displayed. */ 1240c18e5deef5209d21b527a01feb6b789715eb48eAndrew Sapperstein private View mEmptyView; 125f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein /** The main pager; provides left/right swipe between photos */ 126f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein private PhotoViewPager mViewPager; 127f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein /** Adapter to create pager views */ 128f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein private PhotoPagerAdapter mAdapter; 129f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein /** Whether or not we're in "full screen" mode */ 130f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein private boolean mFullScreen; 131f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein /** The set of listeners wanting full screen state */ 132f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein private Set<OnScreenListener> mScreenListeners = new HashSet<OnScreenListener>(); 1330c18e5deef5209d21b527a01feb6b789715eb48eAndrew Sapperstein /** The set of listeners wanting full screen state */ 1340c18e5deef5209d21b527a01feb6b789715eb48eAndrew Sapperstein private Set<CursorChangedListener> mCursorListeners = new HashSet<CursorChangedListener>(); 135f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein /** When {@code true}, restart the loader when the activity becomes active */ 136f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein private boolean mRestartLoader; 137f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein /** Whether or not this activity is paused */ 138f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein private boolean mIsPaused = true; 139f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein // TODO Find a better way to do this. We basically want the activity to display the 140f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein // "loading..." progress until the fragment takes over and shows it's own "loading..." 141f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein // progress [located in photo_header_view.xml]. We could potentially have all status displayed 142f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein // by the activity, but, that gets tricky when it comes to screen rotation. For now, we 143f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein // track the loading by this variable which is fragile and may cause phantom "loading..." 144f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein // text. 145f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 146f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein @Override 147f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein protected void onCreate(Bundle savedInstanceState) { 148f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein super.onCreate(savedInstanceState); 149f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 150f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein final ActivityManager mgr = (ActivityManager) getApplicationContext(). 151f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein getSystemService(Activity.ACTIVITY_SERVICE); 152f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein sMemoryClass = mgr.getMemoryClass(); 153f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 154f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein Intent mIntent = getIntent(); 155f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 156f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein int currentItem = -1; 157f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein if (savedInstanceState != null) { 158f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein currentItem = savedInstanceState.getInt(STATE_ITEM_KEY, -1); 159f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein mFullScreen = savedInstanceState.getBoolean(STATE_FULLSCREEN_KEY, false); 160f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein } 161f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 162f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein // album name; if not set, use a default name 163f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein if (mIntent.hasExtra(Intents.EXTRA_PHOTO_NAME)) { 164f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein mPhotoName = mIntent.getStringExtra(Intents.EXTRA_PHOTO_NAME); 165f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein } else { 166f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein mPhotoName = getResources().getString(R.string.photo_view_default_title); 167f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein } 168f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 169f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein // uri of the photos to view; optional 170f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein if (mIntent.hasExtra(Intents.EXTRA_PHOTOS_URI)) { 171f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein mPhotosUri = mIntent.getStringExtra(Intents.EXTRA_PHOTOS_URI); 172f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein } 173f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 174f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein // projection for the query; optional 175f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein // I.f not set, the default projection is used. 176f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein // This projection must include the columns from the default projection. 177f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein if (mIntent.hasExtra(Intents.EXTRA_PROJECTION)) { 178f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein mProjection = mIntent.getStringArrayExtra(Intents.EXTRA_PROJECTION); 179f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein } else { 180f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein mProjection = null; 181f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein } 182f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 183f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein // Set the current item from the intent if wasn't in the saved instance 184f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein if (mIntent.hasExtra(Intents.EXTRA_PHOTO_INDEX) && currentItem < 0) { 185f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein currentItem = mIntent.getIntExtra(Intents.EXTRA_PHOTO_INDEX, -1); 186f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein } 187f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein mPhotoIndex = currentItem; 188f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 189f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein setContentView(R.layout.photo_activity_view); 1900c18e5deef5209d21b527a01feb6b789715eb48eAndrew Sapperstein mEmptyView = findViewById(R.id.empty_view); 191f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 192f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein // Create the adapter and add the view pager 193f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein mAdapter = new PhotoPagerAdapter(this, getFragmentManager(), null); 194f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein mAdapter.setFragmentPagerListener(this); 195f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 196f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein mViewPager = (PhotoViewPager) findViewById(R.id.photo_view_pager); 197f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein mViewPager.setAdapter(mAdapter); 198f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein mViewPager.setOnPageChangeListener(this); 199f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein mViewPager.setOnInterceptTouchListener(this); 200f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 201f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein // Kick off the loader 202f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein getLoaderManager().initLoader(LOADER_PHOTO_LIST, null, this); 203f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 204f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein final ActionBar actionBar = getActionBar(); 205f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein actionBar.setDisplayHomeAsUpEnabled(true); 206f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein } 207f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 208f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein @Override 209f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein protected void onResume() { 210f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein super.onResume(); 211f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein setFullScreen(mFullScreen, false); 212f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 213f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein mIsPaused = false; 214f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein if (mRestartLoader) { 215f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein mRestartLoader = false; 216f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein getLoaderManager().restartLoader(LOADER_PHOTO_LIST, null, this); 217f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein } 218f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein } 219f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 220f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein @Override 221f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein protected void onPause() { 222f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein mIsPaused = true; 223f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 224f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein super.onPause(); 225f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein } 226f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 227f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein @Override 228f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein public void onBackPressed() { 229f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein // If in full screen mode, toggle mode & eat the 'back' 230f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein if (mFullScreen) { 231f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein toggleFullScreen(); 232f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein } else { 233f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein super.onBackPressed(); 234f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein } 235f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein } 236f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 237f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein @Override 238f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein public void onSaveInstanceState(Bundle outState) { 239f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein super.onSaveInstanceState(outState); 240f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 241f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein outState.putInt(STATE_ITEM_KEY, mViewPager.getCurrentItem()); 242f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein outState.putBoolean(STATE_FULLSCREEN_KEY, mFullScreen); 243f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein } 244f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 245f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein public void addScreenListener(OnScreenListener listener) { 246f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein mScreenListeners.add(listener); 247f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein } 248f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 249f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein public void removeScreenListener(OnScreenListener listener) { 250f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein mScreenListeners.remove(listener); 251f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein } 252f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 2530c18e5deef5209d21b527a01feb6b789715eb48eAndrew Sapperstein public synchronized void addCursorListener(CursorChangedListener listener) { 2540c18e5deef5209d21b527a01feb6b789715eb48eAndrew Sapperstein mCursorListeners.add(listener); 2550c18e5deef5209d21b527a01feb6b789715eb48eAndrew Sapperstein } 2560c18e5deef5209d21b527a01feb6b789715eb48eAndrew Sapperstein 2570c18e5deef5209d21b527a01feb6b789715eb48eAndrew Sapperstein public synchronized void removeCursorListener(CursorChangedListener listener) { 2580c18e5deef5209d21b527a01feb6b789715eb48eAndrew Sapperstein mCursorListeners.remove(listener); 2590c18e5deef5209d21b527a01feb6b789715eb48eAndrew Sapperstein } 2600c18e5deef5209d21b527a01feb6b789715eb48eAndrew Sapperstein 261f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein public boolean isFragmentFullScreen(Fragment fragment) { 262f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein if (mViewPager == null || mAdapter == null || mAdapter.getCount() == 0) { 263f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein return mFullScreen; 264f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein } 265f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein return mFullScreen || (mViewPager.getCurrentItem() != mAdapter.getItemPosition(fragment)); 266f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein } 267f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 268f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein public void toggleFullScreen() { 269f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein setFullScreen(!mFullScreen, true); 270f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein } 271f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 272f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein public void onPhotoRemoved(long photoId) { 273f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein final Cursor data = mAdapter.getCursor(); 274f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein if (data == null) { 275f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein // Huh?! How would this happen? 276f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein return; 277f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein } 278f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 279f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein final int dataCount = data.getCount(); 280f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein if (dataCount <= 1) { 281f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein finish(); 282f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein return; 283f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein } 284f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 285f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein getLoaderManager().restartLoader(LOADER_PHOTO_LIST, null, this); 286f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein } 287f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 288f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein @Override 289f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein public Loader<Cursor> onCreateLoader(int id, Bundle args) { 290f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein if (id == LOADER_PHOTO_LIST) { 291f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein return new PhotoPagerLoader(this, Uri.parse(mPhotosUri), mProjection); 292f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein } 293f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein return null; 294f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein } 295f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 296f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein @Override 297f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein public void onLoadFinished(final Loader<Cursor> loader, final Cursor data) { 298f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein final int id = loader.getId(); 299f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein if (id == LOADER_PHOTO_LIST) { 300f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein if (data == null || data.getCount() == 0) { 301f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein mIsEmpty = true; 302f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein } else { 303f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein mAlbumCount = data.getCount(); 304f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 305f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein // Cannot do this directly; need to be out of the loader 306f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein new Handler().post(new Runnable() { 307f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein @Override 308f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein public void run() { 309f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein // We're paused; don't do anything now, we'll get re-invoked 310f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein // when the activity becomes active again 311f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein if (mIsPaused) { 312f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein mRestartLoader = true; 313f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein return; 314f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein } 315f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein mIsEmpty = false; 316f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 317f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein // set the selected photo 318f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein int itemIndex = mPhotoIndex; 319f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 320f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein // Use an index of 0 if the index wasn't specified or couldn't be found 321f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein if (itemIndex < 0) { 322f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein itemIndex = 0; 323f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein } 324f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 325f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein mAdapter.swapCursor(data); 3260c18e5deef5209d21b527a01feb6b789715eb48eAndrew Sapperstein notifyCursorListeners(data); 3270c18e5deef5209d21b527a01feb6b789715eb48eAndrew Sapperstein 328f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein mViewPager.setCurrentItem(itemIndex, false); 329f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein updateActionBar(); 330f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein } 331f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein }); 332f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein } 333f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein } 334f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein } 335f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 3360c18e5deef5209d21b527a01feb6b789715eb48eAndrew Sapperstein private synchronized void notifyCursorListeners(Cursor data) { 3370c18e5deef5209d21b527a01feb6b789715eb48eAndrew Sapperstein // tell all of the objects listening for cursor changes 3380c18e5deef5209d21b527a01feb6b789715eb48eAndrew Sapperstein // that the cursor has changed 3390c18e5deef5209d21b527a01feb6b789715eb48eAndrew Sapperstein for (CursorChangedListener listener : mCursorListeners) { 3400c18e5deef5209d21b527a01feb6b789715eb48eAndrew Sapperstein listener.onCursorChanged(data); 3410c18e5deef5209d21b527a01feb6b789715eb48eAndrew Sapperstein } 3420c18e5deef5209d21b527a01feb6b789715eb48eAndrew Sapperstein } 3430c18e5deef5209d21b527a01feb6b789715eb48eAndrew Sapperstein 344f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein @Override 345f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein public void onLoaderReset(Loader<Cursor> loader) { 346f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein } 347f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 348f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein @Override 349f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) { 350f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein } 351f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 352f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein @Override 353f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein public void onPageSelected(int position) { 354f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein setViewActivated(); 355f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein updateActionBar(); 356f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein mPhotoIndex = position; 357f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein } 358f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 359f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein @Override 360f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein public void onPageScrollStateChanged(int state) { 361f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein } 362f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 363f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein @Override 364f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein public void onPageActivated(Fragment fragment) { 365f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein setViewActivated(); 366f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein } 367f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 368f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein public boolean isFragmentActive(Fragment fragment) { 369f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein if (mViewPager == null || mAdapter == null) { 370f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein return false; 371f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein } 372f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein return mViewPager.getCurrentItem() == mAdapter.getItemPosition(fragment); 373f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein } 374f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 3750c18e5deef5209d21b527a01feb6b789715eb48eAndrew Sapperstein public void onFragmentVisible(PhotoViewFragment fragment) { 3760c18e5deef5209d21b527a01feb6b789715eb48eAndrew Sapperstein setEmptyViewVisibility( 3770c18e5deef5209d21b527a01feb6b789715eb48eAndrew Sapperstein fragment.isPhotoBound() ? View.GONE : View.VISIBLE); 3780c18e5deef5209d21b527a01feb6b789715eb48eAndrew Sapperstein } 3790c18e5deef5209d21b527a01feb6b789715eb48eAndrew Sapperstein 3800c18e5deef5209d21b527a01feb6b789715eb48eAndrew Sapperstein public void setEmptyViewVisibility(int visibility) { 3810c18e5deef5209d21b527a01feb6b789715eb48eAndrew Sapperstein mEmptyView.setVisibility(visibility); 382f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein } 383f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 384f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein @Override 385f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein public InterceptType onTouchIntercept(float origX, float origY) { 386f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein boolean interceptLeft = false; 387f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein boolean interceptRight = false; 388f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 389f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein for (OnScreenListener listener : mScreenListeners) { 390f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein if (!interceptLeft) { 391f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein interceptLeft = listener.onInterceptMoveLeft(origX, origY); 392f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein } 393f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein if (!interceptRight) { 394f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein interceptRight = listener.onInterceptMoveRight(origX, origY); 395f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein } 396f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein listener.onViewActivated(); 397f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein } 398f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 399f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein if (interceptLeft) { 400f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein if (interceptRight) { 401f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein return InterceptType.BOTH; 402f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein } 403f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein return InterceptType.LEFT; 404f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein } else if (interceptRight) { 405f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein return InterceptType.RIGHT; 406f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein } 407f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein return InterceptType.NONE; 408f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein } 409f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 410f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein /** 411f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein * Updates the title bar according to the value of {@link #mFullScreen}. 412f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein */ 413f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein private void setFullScreen(boolean fullScreen, boolean animate) { 414f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein final boolean fullScreenChanged = (fullScreen != mFullScreen); 415f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein mFullScreen = fullScreen; 416f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 417f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein ActionBar actionBar = getActionBar(); 418f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein if (mFullScreen) { 419f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein actionBar.hide(); 420f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein } else { 421f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein actionBar.show(); 422f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein } 423f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 424f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein if (fullScreenChanged) { 425f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein for (OnScreenListener listener : mScreenListeners) { 426f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein listener.onFullScreenChanged(mFullScreen, animate); 427f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein } 428f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein } 429f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein } 430f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 4310c18e5deef5209d21b527a01feb6b789715eb48eAndrew Sapperstein public void setViewActivated() { 432f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein for (OnScreenListener listener : mScreenListeners) { 433f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein listener.onViewActivated(); 434f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein } 435f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein } 436f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 437f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein /** 438f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein * Adjusts the activity title and subtitle to reflect the photo name and count. 439f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein */ 440f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein protected void updateActionBar() { 441f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein final int position = mViewPager.getCurrentItem() + 1; 442f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein final String subtitle; 443f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein final boolean hasAlbumCount = mAlbumCount >= 0; 444f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 445f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein final Cursor cursor = getCursorAtProperPosition(); 446f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 447f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein if (cursor != null) { 448f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein final int photoNameIndex = cursor.getColumnIndex(PhotoContract.PhotoViewColumns.NAME); 449f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein mPhotoName = cursor.getString(photoNameIndex); 450f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein } 451f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 452f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein if (mIsEmpty || !hasAlbumCount || position <= 0) { 453f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein subtitle = null; 454f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein } else { 455f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein subtitle = getResources().getString(R.string.photo_view_count, position, mAlbumCount); 456f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein } 457f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 458f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein final ActionBar actionBar = getActionBar(); 459f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 460f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein actionBar.setTitle(mPhotoName); 461f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein actionBar.setSubtitle(subtitle); 462f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein } 463f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 464f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein /** 465f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein * Utility method that will return the cursor that contains the data 466f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein * at the current position so that it refers to the current image on screen. 467f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein * @return the cursor at the current position or 468f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein * null if no cursor exists or if the {@link PhotoViewPager} is null. 469f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein */ 470f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein public Cursor getCursorAtProperPosition() { 471f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein if (mViewPager == null) { 472f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein return null; 473f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein } 474f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 475f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein final int position = mViewPager.getCurrentItem(); 476f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein final Cursor cursor = mAdapter.getCursor(); 477f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 478f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein if (cursor == null) { 479f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein return null; 480f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein } 481f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 482f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein cursor.moveToPosition(position); 483f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 484f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein return cursor; 485f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein } 4869007d640832f674a9d65058a3c2a484c078d239eAndrew Sapperstein 4879007d640832f674a9d65058a3c2a484c078d239eAndrew Sapperstein public Cursor getCursor() { 4889007d640832f674a9d65058a3c2a484c078d239eAndrew Sapperstein return (mAdapter == null) ? null : mAdapter.getCursor(); 4899007d640832f674a9d65058a3c2a484c078d239eAndrew Sapperstein } 490f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein} 491