PhotoViewActivity.java revision 1abd4654c2eeacc7d854a438a9c72d7239278bea
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; 291abd4654c2eeacc7d854a438a9c72d7239278beaAndrew Sappersteinimport android.os.Build; 30f77a7eb196d16110c7b1087352b423913821ff61Andrew Sappersteinimport android.os.Bundle; 31f77a7eb196d16110c7b1087352b423913821ff61Andrew Sappersteinimport android.os.Handler; 32f77a7eb196d16110c7b1087352b423913821ff61Andrew Sappersteinimport android.support.v4.view.ViewPager.OnPageChangeListener; 33f77a7eb196d16110c7b1087352b423913821ff61Andrew Sappersteinimport android.view.View; 34f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 35f77a7eb196d16110c7b1087352b423913821ff61Andrew Sappersteinimport com.android.ex.photo.PhotoViewPager.InterceptType; 36f77a7eb196d16110c7b1087352b423913821ff61Andrew Sappersteinimport com.android.ex.photo.PhotoViewPager.OnInterceptTouchListener; 37f77a7eb196d16110c7b1087352b423913821ff61Andrew Sappersteinimport com.android.ex.photo.adapters.BaseFragmentPagerAdapter.OnFragmentPagerListener; 38f77a7eb196d16110c7b1087352b423913821ff61Andrew Sappersteinimport com.android.ex.photo.adapters.PhotoPagerAdapter; 390c18e5deef5209d21b527a01feb6b789715eb48eAndrew Sappersteinimport com.android.ex.photo.fragments.PhotoViewFragment; 40f77a7eb196d16110c7b1087352b423913821ff61Andrew Sappersteinimport com.android.ex.photo.loaders.PhotoPagerLoader; 41f77a7eb196d16110c7b1087352b423913821ff61Andrew Sappersteinimport com.android.ex.photo.provider.PhotoContract; 42f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 43f77a7eb196d16110c7b1087352b423913821ff61Andrew Sappersteinimport java.util.HashSet; 44f77a7eb196d16110c7b1087352b423913821ff61Andrew Sappersteinimport java.util.Set; 45f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 46f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein/** 47f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein * Activity to view the contents of an album. 48f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein */ 49f77a7eb196d16110c7b1087352b423913821ff61Andrew Sappersteinpublic class PhotoViewActivity extends Activity implements 50f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein LoaderCallbacks<Cursor>, OnPageChangeListener, OnInterceptTouchListener, 51f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein OnFragmentPagerListener { 52f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 53f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein /** 54f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein * Listener to be invoked for screen events. 55f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein */ 56f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein public static interface OnScreenListener { 57f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 58f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein /** 59f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein * The full screen state has changed. 60f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein */ 611abd4654c2eeacc7d854a438a9c72d7239278beaAndrew Sapperstein public void onFullScreenChanged(boolean fullScreen); 62f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 63f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein /** 64f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein * A new view has been activated and the previous view de-activated. 65f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein */ 66f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein public void onViewActivated(); 67f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 68f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein /** 69f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein * Called when a right-to-left touch move intercept is about to occur. 70f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein * 71f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein * @param origX the raw x coordinate of the initial touch 72f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein * @param origY the raw y coordinate of the initial touch 73f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein * @return {@code true} if the touch should be intercepted. 74f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein */ 75f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein public boolean onInterceptMoveLeft(float origX, float origY); 76f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 77f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein /** 78f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein * Called when a left-to-right touch move intercept is about to occur. 79f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein * 80f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein * @param origX the raw x coordinate of the initial touch 81f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein * @param origY the raw y coordinate of the initial touch 82f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein * @return {@code true} if the touch should be intercepted. 83f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein */ 84f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein public boolean onInterceptMoveRight(float origX, float origY); 85f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein } 86f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 870c18e5deef5209d21b527a01feb6b789715eb48eAndrew Sapperstein public static interface CursorChangedListener { 880c18e5deef5209d21b527a01feb6b789715eb48eAndrew Sapperstein /** 890c18e5deef5209d21b527a01feb6b789715eb48eAndrew Sapperstein * Called when the cursor that contains the photo list data 900c18e5deef5209d21b527a01feb6b789715eb48eAndrew Sapperstein * is updated. Note that there is no guarantee that the cursor 910c18e5deef5209d21b527a01feb6b789715eb48eAndrew Sapperstein * will be at the proper position. 920c18e5deef5209d21b527a01feb6b789715eb48eAndrew Sapperstein * @param cursor the cursor containing the photo list data 930c18e5deef5209d21b527a01feb6b789715eb48eAndrew Sapperstein */ 940c18e5deef5209d21b527a01feb6b789715eb48eAndrew Sapperstein public void onCursorChanged(Cursor cursor); 950c18e5deef5209d21b527a01feb6b789715eb48eAndrew Sapperstein } 960c18e5deef5209d21b527a01feb6b789715eb48eAndrew Sapperstein 97f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein private final static String STATE_ITEM_KEY = 98f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein "com.google.android.apps.plus.PhotoViewFragment.ITEM"; 99f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein private final static String STATE_FULLSCREEN_KEY = 100f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein "com.google.android.apps.plus.PhotoViewFragment.FULLSCREEN"; 101f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 102f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein private static final int LOADER_PHOTO_LIST = 1; 103f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 104f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein /** Count used when the real photo count is unknown [but, may be determined] */ 105f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein public static final int ALBUM_COUNT_UNKNOWN = -1; 106f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 107f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein /** Argument key for the dialog message */ 108f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein public static final String KEY_MESSAGE = "dialog_message"; 109f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 110f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein public static int sMemoryClass; 111f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 112f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein /** The URI of the photos we're viewing; may be {@code null} */ 113f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein private String mPhotosUri; 114f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein /** The index of the currently viewed photo */ 115f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein private int mPhotoIndex; 116f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein /** The query projection to use; may be {@code null} */ 117f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein private String[] mProjection; 118f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein /** The name of the particular photo being viewed. */ 119f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein private String mPhotoName; 120f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein /** The total number of photos; only valid if {@link #mIsEmpty} is {@code false}. */ 121f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein private int mAlbumCount = ALBUM_COUNT_UNKNOWN; 122f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein /** {@code true} if the view is empty. Otherwise, {@code false}. */ 123f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein private boolean mIsEmpty; 124f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein /** The main pager; provides left/right swipe between photos */ 125f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein private PhotoViewPager mViewPager; 126f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein /** Adapter to create pager views */ 127f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein private PhotoPagerAdapter mAdapter; 128f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein /** Whether or not we're in "full screen" mode */ 129f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein private boolean mFullScreen; 130f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein /** The set of listeners wanting full screen state */ 131f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein private Set<OnScreenListener> mScreenListeners = new HashSet<OnScreenListener>(); 1320c18e5deef5209d21b527a01feb6b789715eb48eAndrew Sapperstein /** The set of listeners wanting full screen state */ 1330c18e5deef5209d21b527a01feb6b789715eb48eAndrew Sapperstein private Set<CursorChangedListener> mCursorListeners = new HashSet<CursorChangedListener>(); 134f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein /** When {@code true}, restart the loader when the activity becomes active */ 135f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein private boolean mRestartLoader; 136f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein /** Whether or not this activity is paused */ 137f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein private boolean mIsPaused = true; 1381abd4654c2eeacc7d854a438a9c72d7239278beaAndrew Sapperstein private Handler mActionBarHideHandler; 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. 1451abd4654c2eeacc7d854a438a9c72d7239278beaAndrew Sapperstein private long mActionBarHideDelayTime; 146f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 147f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein @Override 148f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein protected void onCreate(Bundle savedInstanceState) { 149f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein super.onCreate(savedInstanceState); 150f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 151f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein final ActivityManager mgr = (ActivityManager) getApplicationContext(). 152f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein getSystemService(Activity.ACTIVITY_SERVICE); 153f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein sMemoryClass = mgr.getMemoryClass(); 154f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 155f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein Intent mIntent = getIntent(); 156f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 157f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein int currentItem = -1; 158f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein if (savedInstanceState != null) { 159f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein currentItem = savedInstanceState.getInt(STATE_ITEM_KEY, -1); 160f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein mFullScreen = savedInstanceState.getBoolean(STATE_FULLSCREEN_KEY, false); 161f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein } 162f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 163f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein // album name; if not set, use a default name 164f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein if (mIntent.hasExtra(Intents.EXTRA_PHOTO_NAME)) { 165f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein mPhotoName = mIntent.getStringExtra(Intents.EXTRA_PHOTO_NAME); 166f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein } else { 167f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein mPhotoName = getResources().getString(R.string.photo_view_default_title); 168f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein } 169f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 170f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein // uri of the photos to view; optional 171f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein if (mIntent.hasExtra(Intents.EXTRA_PHOTOS_URI)) { 172f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein mPhotosUri = mIntent.getStringExtra(Intents.EXTRA_PHOTOS_URI); 173f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein } 174f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 175f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein // projection for the query; optional 176f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein // I.f not set, the default projection is used. 177f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein // This projection must include the columns from the default projection. 178f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein if (mIntent.hasExtra(Intents.EXTRA_PROJECTION)) { 179f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein mProjection = mIntent.getStringArrayExtra(Intents.EXTRA_PROJECTION); 180f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein } else { 181f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein mProjection = null; 182f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein } 183f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 184f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein // Set the current item from the intent if wasn't in the saved instance 185f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein if (mIntent.hasExtra(Intents.EXTRA_PHOTO_INDEX) && currentItem < 0) { 186f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein currentItem = mIntent.getIntExtra(Intents.EXTRA_PHOTO_INDEX, -1); 187f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein } 188f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein mPhotoIndex = currentItem; 189f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 190f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein setContentView(R.layout.photo_activity_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); 2061abd4654c2eeacc7d854a438a9c72d7239278beaAndrew Sapperstein mActionBarHideDelayTime = getResources().getInteger( 2071abd4654c2eeacc7d854a438a9c72d7239278beaAndrew Sapperstein R.integer.action_bar_delay_time_in_millis); 208f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein } 209f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 210f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein @Override 211f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein protected void onResume() { 212f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein super.onResume(); 213f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein setFullScreen(mFullScreen, false); 214f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 215f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein mIsPaused = false; 216f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein if (mRestartLoader) { 217f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein mRestartLoader = false; 218f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein getLoaderManager().restartLoader(LOADER_PHOTO_LIST, null, this); 219f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein } 220f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein } 221f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 222f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein @Override 223f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein protected void onPause() { 224f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein mIsPaused = true; 225f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 226f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein super.onPause(); 227f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein } 228f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 229f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein @Override 230f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein public void onBackPressed() { 231f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein // If in full screen mode, toggle mode & eat the 'back' 232f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein if (mFullScreen) { 233f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein toggleFullScreen(); 234f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein } else { 235f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein super.onBackPressed(); 236f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein } 237f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein } 238f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 239f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein @Override 240f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein public void onSaveInstanceState(Bundle outState) { 241f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein super.onSaveInstanceState(outState); 242f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 243f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein outState.putInt(STATE_ITEM_KEY, mViewPager.getCurrentItem()); 244f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein outState.putBoolean(STATE_FULLSCREEN_KEY, mFullScreen); 245f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein } 246f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 247f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein public void addScreenListener(OnScreenListener listener) { 248f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein mScreenListeners.add(listener); 249f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein } 250f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 251f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein public void removeScreenListener(OnScreenListener listener) { 252f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein mScreenListeners.remove(listener); 253f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein } 254f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 2550c18e5deef5209d21b527a01feb6b789715eb48eAndrew Sapperstein public synchronized void addCursorListener(CursorChangedListener listener) { 2560c18e5deef5209d21b527a01feb6b789715eb48eAndrew Sapperstein mCursorListeners.add(listener); 2570c18e5deef5209d21b527a01feb6b789715eb48eAndrew Sapperstein } 2580c18e5deef5209d21b527a01feb6b789715eb48eAndrew Sapperstein 2590c18e5deef5209d21b527a01feb6b789715eb48eAndrew Sapperstein public synchronized void removeCursorListener(CursorChangedListener listener) { 2600c18e5deef5209d21b527a01feb6b789715eb48eAndrew Sapperstein mCursorListeners.remove(listener); 2610c18e5deef5209d21b527a01feb6b789715eb48eAndrew Sapperstein } 2620c18e5deef5209d21b527a01feb6b789715eb48eAndrew Sapperstein 263f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein public boolean isFragmentFullScreen(Fragment fragment) { 264f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein if (mViewPager == null || mAdapter == null || mAdapter.getCount() == 0) { 265f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein return mFullScreen; 266f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein } 267f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein return mFullScreen || (mViewPager.getCurrentItem() != mAdapter.getItemPosition(fragment)); 268f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein } 269f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 270f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein public void toggleFullScreen() { 271f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein setFullScreen(!mFullScreen, true); 272f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein } 273f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 274f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein public void onPhotoRemoved(long photoId) { 275f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein final Cursor data = mAdapter.getCursor(); 276f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein if (data == null) { 277f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein // Huh?! How would this happen? 278f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein return; 279f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein } 280f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 281f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein final int dataCount = data.getCount(); 282f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein if (dataCount <= 1) { 283f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein finish(); 284f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein return; 285f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein } 286f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 287f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein getLoaderManager().restartLoader(LOADER_PHOTO_LIST, null, this); 288f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein } 289f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 290f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein @Override 291f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein public Loader<Cursor> onCreateLoader(int id, Bundle args) { 292f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein if (id == LOADER_PHOTO_LIST) { 293f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein return new PhotoPagerLoader(this, Uri.parse(mPhotosUri), mProjection); 294f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein } 295f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein return null; 296f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein } 297f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 298f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein @Override 299f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein public void onLoadFinished(final Loader<Cursor> loader, final Cursor data) { 300f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein final int id = loader.getId(); 301f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein if (id == LOADER_PHOTO_LIST) { 302f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein if (data == null || data.getCount() == 0) { 303f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein mIsEmpty = true; 304f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein } else { 305f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein mAlbumCount = data.getCount(); 306f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 307f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein // Cannot do this directly; need to be out of the loader 308f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein new Handler().post(new Runnable() { 309f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein @Override 310f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein public void run() { 311f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein // We're paused; don't do anything now, we'll get re-invoked 312f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein // when the activity becomes active again 313f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein if (mIsPaused) { 314f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein mRestartLoader = true; 315f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein return; 316f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein } 317f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein mIsEmpty = false; 318f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 319f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein // set the selected photo 320f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein int itemIndex = mPhotoIndex; 321f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 322f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein // Use an index of 0 if the index wasn't specified or couldn't be found 323f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein if (itemIndex < 0) { 324f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein itemIndex = 0; 325f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein } 326f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 327f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein mAdapter.swapCursor(data); 3280c18e5deef5209d21b527a01feb6b789715eb48eAndrew Sapperstein notifyCursorListeners(data); 3290c18e5deef5209d21b527a01feb6b789715eb48eAndrew Sapperstein 330f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein mViewPager.setCurrentItem(itemIndex, false); 331f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein updateActionBar(); 332f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein } 333f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein }); 334f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein } 335f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein } 336f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein } 337f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 3380c18e5deef5209d21b527a01feb6b789715eb48eAndrew Sapperstein private synchronized void notifyCursorListeners(Cursor data) { 3390c18e5deef5209d21b527a01feb6b789715eb48eAndrew Sapperstein // tell all of the objects listening for cursor changes 3400c18e5deef5209d21b527a01feb6b789715eb48eAndrew Sapperstein // that the cursor has changed 3410c18e5deef5209d21b527a01feb6b789715eb48eAndrew Sapperstein for (CursorChangedListener listener : mCursorListeners) { 3420c18e5deef5209d21b527a01feb6b789715eb48eAndrew Sapperstein listener.onCursorChanged(data); 3430c18e5deef5209d21b527a01feb6b789715eb48eAndrew Sapperstein } 3440c18e5deef5209d21b527a01feb6b789715eb48eAndrew Sapperstein } 3450c18e5deef5209d21b527a01feb6b789715eb48eAndrew Sapperstein 346f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein @Override 347f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein public void onLoaderReset(Loader<Cursor> loader) { 348f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein } 349f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 350f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein @Override 351f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) { 352f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein } 353f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 354f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein @Override 355f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein public void onPageSelected(int position) { 356f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein setViewActivated(); 357f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein updateActionBar(); 358f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein mPhotoIndex = position; 359f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein } 360f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 361f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein @Override 362f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein public void onPageScrollStateChanged(int state) { 363f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein } 364f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 365f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein @Override 366f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein public void onPageActivated(Fragment fragment) { 367f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein setViewActivated(); 368f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein } 369f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 370f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein public boolean isFragmentActive(Fragment fragment) { 371f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein if (mViewPager == null || mAdapter == null) { 372f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein return false; 373f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein } 374f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein return mViewPager.getCurrentItem() == mAdapter.getItemPosition(fragment); 375f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein } 376f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 3770c18e5deef5209d21b527a01feb6b789715eb48eAndrew Sapperstein public void onFragmentVisible(PhotoViewFragment fragment) { 378f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein } 379f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 380f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein @Override 381f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein public InterceptType onTouchIntercept(float origX, float origY) { 382f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein boolean interceptLeft = false; 383f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein boolean interceptRight = false; 384f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 385f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein for (OnScreenListener listener : mScreenListeners) { 386f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein if (!interceptLeft) { 387f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein interceptLeft = listener.onInterceptMoveLeft(origX, origY); 388f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein } 389f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein if (!interceptRight) { 390f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein interceptRight = listener.onInterceptMoveRight(origX, origY); 391f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein } 392f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein listener.onViewActivated(); 393f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein } 394f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 395f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein if (interceptLeft) { 396f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein if (interceptRight) { 397f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein return InterceptType.BOTH; 398f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein } 399f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein return InterceptType.LEFT; 400f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein } else if (interceptRight) { 401f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein return InterceptType.RIGHT; 402f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein } 403f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein return InterceptType.NONE; 404f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein } 405f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 406f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein /** 407f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein * Updates the title bar according to the value of {@link #mFullScreen}. 408f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein */ 4091abd4654c2eeacc7d854a438a9c72d7239278beaAndrew Sapperstein private void setFullScreen(boolean fullScreen, boolean setDelayedRunnable) { 410f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein final boolean fullScreenChanged = (fullScreen != mFullScreen); 411f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein mFullScreen = fullScreen; 412f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 413f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein if (mFullScreen) { 4141abd4654c2eeacc7d854a438a9c72d7239278beaAndrew Sapperstein setLightsOutMode(true); 4151abd4654c2eeacc7d854a438a9c72d7239278beaAndrew Sapperstein if (mActionBarHideHandler == null) { 4161abd4654c2eeacc7d854a438a9c72d7239278beaAndrew Sapperstein mActionBarHideHandler = new Handler(); 4171abd4654c2eeacc7d854a438a9c72d7239278beaAndrew Sapperstein } 4181abd4654c2eeacc7d854a438a9c72d7239278beaAndrew Sapperstein mActionBarHideHandler.removeCallbacks(mActionBarHideRunnable); 419f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein } else { 4201abd4654c2eeacc7d854a438a9c72d7239278beaAndrew Sapperstein setLightsOutMode(false); 4211abd4654c2eeacc7d854a438a9c72d7239278beaAndrew Sapperstein if (setDelayedRunnable) { 4221abd4654c2eeacc7d854a438a9c72d7239278beaAndrew Sapperstein if (mActionBarHideHandler == null) { 4231abd4654c2eeacc7d854a438a9c72d7239278beaAndrew Sapperstein mActionBarHideHandler = new Handler(); 4241abd4654c2eeacc7d854a438a9c72d7239278beaAndrew Sapperstein } 4251abd4654c2eeacc7d854a438a9c72d7239278beaAndrew Sapperstein mActionBarHideHandler.postDelayed(mActionBarHideRunnable, 4261abd4654c2eeacc7d854a438a9c72d7239278beaAndrew Sapperstein mActionBarHideDelayTime); 4271abd4654c2eeacc7d854a438a9c72d7239278beaAndrew Sapperstein } 428f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein } 429f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 430f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein if (fullScreenChanged) { 431f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein for (OnScreenListener listener : mScreenListeners) { 4321abd4654c2eeacc7d854a438a9c72d7239278beaAndrew Sapperstein listener.onFullScreenChanged(mFullScreen); 4331abd4654c2eeacc7d854a438a9c72d7239278beaAndrew Sapperstein } 4341abd4654c2eeacc7d854a438a9c72d7239278beaAndrew Sapperstein } 4351abd4654c2eeacc7d854a438a9c72d7239278beaAndrew Sapperstein } 4361abd4654c2eeacc7d854a438a9c72d7239278beaAndrew Sapperstein 4371abd4654c2eeacc7d854a438a9c72d7239278beaAndrew Sapperstein private void setLightsOutMode(boolean enabled) { 4381abd4654c2eeacc7d854a438a9c72d7239278beaAndrew Sapperstein if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) { 4391abd4654c2eeacc7d854a438a9c72d7239278beaAndrew Sapperstein int flags = enabled 4401abd4654c2eeacc7d854a438a9c72d7239278beaAndrew Sapperstein ? View.SYSTEM_UI_FLAG_LOW_PROFILE 4411abd4654c2eeacc7d854a438a9c72d7239278beaAndrew Sapperstein | View.SYSTEM_UI_FLAG_FULLSCREEN 4421abd4654c2eeacc7d854a438a9c72d7239278beaAndrew Sapperstein | View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN 4431abd4654c2eeacc7d854a438a9c72d7239278beaAndrew Sapperstein | View.SYSTEM_UI_FLAG_LAYOUT_STABLE 4441abd4654c2eeacc7d854a438a9c72d7239278beaAndrew Sapperstein : View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN 4451abd4654c2eeacc7d854a438a9c72d7239278beaAndrew Sapperstein | View.SYSTEM_UI_FLAG_LAYOUT_STABLE; 4461abd4654c2eeacc7d854a438a9c72d7239278beaAndrew Sapperstein 4471abd4654c2eeacc7d854a438a9c72d7239278beaAndrew Sapperstein // using mViewPager since we have it and we need a view 4481abd4654c2eeacc7d854a438a9c72d7239278beaAndrew Sapperstein mViewPager.setSystemUiVisibility(flags); 4491abd4654c2eeacc7d854a438a9c72d7239278beaAndrew Sapperstein } else { 4501abd4654c2eeacc7d854a438a9c72d7239278beaAndrew Sapperstein final ActionBar actionBar = getActionBar(); 4511abd4654c2eeacc7d854a438a9c72d7239278beaAndrew Sapperstein if (enabled) { 4521abd4654c2eeacc7d854a438a9c72d7239278beaAndrew Sapperstein actionBar.hide(); 4531abd4654c2eeacc7d854a438a9c72d7239278beaAndrew Sapperstein } else { 4541abd4654c2eeacc7d854a438a9c72d7239278beaAndrew Sapperstein actionBar.show(); 455f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein } 4561abd4654c2eeacc7d854a438a9c72d7239278beaAndrew Sapperstein int flags = enabled 4571abd4654c2eeacc7d854a438a9c72d7239278beaAndrew Sapperstein ? View.SYSTEM_UI_FLAG_LOW_PROFILE 4581abd4654c2eeacc7d854a438a9c72d7239278beaAndrew Sapperstein : View.SYSTEM_UI_FLAG_VISIBLE; 4591abd4654c2eeacc7d854a438a9c72d7239278beaAndrew Sapperstein mViewPager.setSystemUiVisibility(flags); 460f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein } 461f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein } 462f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 4631abd4654c2eeacc7d854a438a9c72d7239278beaAndrew Sapperstein private Runnable mActionBarHideRunnable = new Runnable() { 4641abd4654c2eeacc7d854a438a9c72d7239278beaAndrew Sapperstein @Override 4651abd4654c2eeacc7d854a438a9c72d7239278beaAndrew Sapperstein public void run() { 4661abd4654c2eeacc7d854a438a9c72d7239278beaAndrew Sapperstein PhotoViewActivity.this.setLightsOutMode(true); 4671abd4654c2eeacc7d854a438a9c72d7239278beaAndrew Sapperstein } 4681abd4654c2eeacc7d854a438a9c72d7239278beaAndrew Sapperstein }; 4691abd4654c2eeacc7d854a438a9c72d7239278beaAndrew Sapperstein 4700c18e5deef5209d21b527a01feb6b789715eb48eAndrew Sapperstein public void setViewActivated() { 471f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein for (OnScreenListener listener : mScreenListeners) { 472f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein listener.onViewActivated(); 473f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein } 474f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein } 475f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 476f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein /** 477f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein * Adjusts the activity title and subtitle to reflect the photo name and count. 478f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein */ 479f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein protected void updateActionBar() { 480f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein final int position = mViewPager.getCurrentItem() + 1; 481f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein final String subtitle; 482f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein final boolean hasAlbumCount = mAlbumCount >= 0; 483f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 484f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein final Cursor cursor = getCursorAtProperPosition(); 485f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 486f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein if (cursor != null) { 487f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein final int photoNameIndex = cursor.getColumnIndex(PhotoContract.PhotoViewColumns.NAME); 488f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein mPhotoName = cursor.getString(photoNameIndex); 489f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein } 490f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 491f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein if (mIsEmpty || !hasAlbumCount || position <= 0) { 492f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein subtitle = null; 493f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein } else { 494f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein subtitle = getResources().getString(R.string.photo_view_count, position, mAlbumCount); 495f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein } 496f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 497f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein final ActionBar actionBar = getActionBar(); 498f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 499f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein actionBar.setTitle(mPhotoName); 500f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein actionBar.setSubtitle(subtitle); 501f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein } 502f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 503f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein /** 504f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein * Utility method that will return the cursor that contains the data 505f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein * at the current position so that it refers to the current image on screen. 506f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein * @return the cursor at the current position or 507f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein * null if no cursor exists or if the {@link PhotoViewPager} is null. 508f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein */ 509f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein public Cursor getCursorAtProperPosition() { 510f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein if (mViewPager == null) { 511f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein return null; 512f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein } 513f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 514f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein final int position = mViewPager.getCurrentItem(); 515f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein final Cursor cursor = mAdapter.getCursor(); 516f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 517f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein if (cursor == null) { 518f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein return null; 519f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein } 520f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 521f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein cursor.moveToPosition(position); 522f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein 523f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein return cursor; 524f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein } 5259007d640832f674a9d65058a3c2a484c078d239eAndrew Sapperstein 5269007d640832f674a9d65058a3c2a484c078d239eAndrew Sapperstein public Cursor getCursor() { 5279007d640832f674a9d65058a3c2a484c078d239eAndrew Sapperstein return (mAdapter == null) ? null : mAdapter.getCursor(); 5289007d640832f674a9d65058a3c2a484c078d239eAndrew Sapperstein } 529f77a7eb196d16110c7b1087352b423913821ff61Andrew Sapperstein} 530