diff options
Diffstat (limited to 'WallpaperPicker/src/com/android/launcher3/WallpaperPickerActivity.java')
| -rw-r--r-- | WallpaperPicker/src/com/android/launcher3/WallpaperPickerActivity.java | 972 |
1 files changed, 210 insertions, 762 deletions
diff --git a/WallpaperPicker/src/com/android/launcher3/WallpaperPickerActivity.java b/WallpaperPicker/src/com/android/launcher3/WallpaperPickerActivity.java index b40e4bd80..27d60f8b8 100644 --- a/WallpaperPicker/src/com/android/launcher3/WallpaperPickerActivity.java +++ b/WallpaperPicker/src/com/android/launcher3/WallpaperPickerActivity.java @@ -16,38 +16,22 @@ package com.android.launcher3; -import android.Manifest; import android.animation.LayoutTransition; -import android.annotation.TargetApi; +import android.annotation.SuppressLint; import android.app.ActionBar; import android.app.Activity; -import android.app.WallpaperManager; -import android.content.Context; import android.content.Intent; import android.content.pm.ApplicationInfo; import android.content.pm.PackageManager; import android.content.res.Resources; -import android.database.Cursor; -import android.database.DataSetObserver; import android.graphics.Bitmap; import android.graphics.BitmapFactory; -import android.graphics.Canvas; -import android.graphics.Matrix; -import android.graphics.Point; -import android.graphics.PorterDuff; -import android.graphics.RectF; import android.graphics.drawable.BitmapDrawable; -import android.graphics.drawable.Drawable; import android.net.Uri; -import android.os.AsyncTask; -import android.os.Build; import android.os.Bundle; -import android.os.Process; -import android.provider.MediaStore; import android.util.Log; import android.util.Pair; import android.view.ActionMode; -import android.view.LayoutInflater; import android.view.Menu; import android.view.MenuInflater; import android.view.MenuItem; @@ -55,34 +39,30 @@ import android.view.MotionEvent; import android.view.View; import android.view.View.OnClickListener; import android.view.View.OnLayoutChangeListener; +import android.view.View.OnLongClickListener; import android.view.ViewGroup; -import android.view.ViewPropertyAnimator; import android.view.ViewTreeObserver; import android.view.ViewTreeObserver.OnGlobalLayoutListener; import android.view.WindowManager; -import android.view.animation.AccelerateInterpolator; -import android.view.animation.DecelerateInterpolator; -import android.widget.ArrayAdapter; -import android.widget.BaseAdapter; -import android.widget.FrameLayout; import android.widget.HorizontalScrollView; -import android.widget.ImageView; import android.widget.LinearLayout; -import android.widget.Toast; -import com.android.gallery3d.common.BitmapCropTask; -import com.android.gallery3d.common.BitmapUtils; -import com.android.gallery3d.common.Utils; import com.android.launcher3.util.Thunk; -import com.android.photos.BitmapRegionTileSource; -import com.android.photos.BitmapRegionTileSource.BitmapSource; +import com.android.launcher3.wallpapertileinfo.DefaultWallpaperInfo; +import com.android.launcher3.wallpapertileinfo.FileWallpaperInfo; +import com.android.launcher3.wallpapertileinfo.LiveWallpaperInfo; +import com.android.launcher3.wallpapertileinfo.PickImageInfo; +import com.android.launcher3.wallpapertileinfo.ResourceWallpaperInfo; +import com.android.launcher3.wallpapertileinfo.ThirdPartyWallpaperInfo; +import com.android.launcher3.wallpapertileinfo.UriWallpaperInfo; +import com.android.launcher3.wallpapertileinfo.WallpaperTileInfo; import java.io.File; -import java.io.FileOutputStream; -import java.io.IOException; import java.util.ArrayList; +import java.util.List; -public class WallpaperPickerActivity extends WallpaperCropActivity { +public class WallpaperPickerActivity extends WallpaperCropActivity + implements OnClickListener, OnLongClickListener, ActionMode.Callback { static final String TAG = "Launcher.WallpaperPickerActivity"; public static final int IMAGE_PICK = 5; @@ -93,252 +73,22 @@ public class WallpaperPickerActivity extends WallpaperCropActivity { private static final String SELECTED_INDEX = "SELECTED_INDEX"; private static final int FLAG_POST_DELAY_MILLIS = 200; - @Thunk View mSelectedTile; - @Thunk boolean mIgnoreNextTap; - @Thunk OnClickListener mThumbnailOnClickListener; + @Thunk + View mSelectedTile; @Thunk LinearLayout mWallpapersView; @Thunk HorizontalScrollView mWallpaperScrollContainer; @Thunk View mWallpaperStrip; - @Thunk ActionMode.Callback mActionModeCallback; @Thunk ActionMode mActionMode; - @Thunk View.OnLongClickListener mLongClickListener; - ArrayList<Uri> mTempWallpaperTiles = new ArrayList<Uri>(); private SavedWallpaperImages mSavedImages; @Thunk int mSelectedIndex = -1; private float mWallpaperParallaxOffset; - public static abstract class WallpaperTileInfo { - protected View mView; - public Drawable mThumb; - - public void setView(View v) { - mView = v; - } - public void onClick(WallpaperPickerActivity a) {} - public void onSave(WallpaperPickerActivity a) {} - public void onDelete(WallpaperPickerActivity a) {} - public boolean isSelectable() { return false; } - public boolean isNamelessWallpaper() { return false; } - public void onIndexUpdated(CharSequence label) { - if (isNamelessWallpaper()) { - mView.setContentDescription(label); - } - } - } - - public static class PickImageInfo extends WallpaperTileInfo { - @Override - public void onClick(WallpaperPickerActivity a) { - Intent intent = new Intent(Intent.ACTION_GET_CONTENT); - intent.setType("image/*"); - a.startActivityForResultSafely(intent, IMAGE_PICK); - } - } - - public static class UriWallpaperInfo extends WallpaperTileInfo { - private Uri mUri; - public UriWallpaperInfo(Uri uri) { - mUri = uri; - } - @Override - public void onClick(final WallpaperPickerActivity a) { - a.setWallpaperButtonEnabled(false); - final BitmapRegionTileSource.UriBitmapSource bitmapSource = - new BitmapRegionTileSource.UriBitmapSource(a.getContext(), mUri); - a.setCropViewTileSource(bitmapSource, true, false, null, new Runnable() { - - @Override - public void run() { - if (bitmapSource.getLoadingState() == BitmapSource.State.LOADED) { - a.selectTile(mView); - a.setWallpaperButtonEnabled(true); - } else { - ViewGroup parent = (ViewGroup) mView.getParent(); - if (parent != null) { - parent.removeView(mView); - Toast.makeText(a.getContext(), R.string.image_load_fail, - Toast.LENGTH_SHORT).show(); - } - } - } - }); - } - @Override - public void onSave(final WallpaperPickerActivity a) { - boolean finishActivityWhenDone = true; - BitmapCropTask.OnBitmapCroppedHandler h = new BitmapCropTask.OnBitmapCroppedHandler() { - public void onBitmapCropped(byte[] imageBytes) { - Point thumbSize = getDefaultThumbnailSize(a.getResources()); - // rotation is set to 0 since imageBytes has already been correctly rotated - Bitmap thumb = createThumbnail( - thumbSize, null, null, imageBytes, null, 0, 0, true); - a.getSavedImages().writeImage(thumb, imageBytes); - } - }; - boolean shouldFadeOutOnFinish = a.getWallpaperParallaxOffset() == 0f; - a.cropImageAndSetWallpaper(mUri, h, finishActivityWhenDone, shouldFadeOutOnFinish); - } - @Override - public boolean isSelectable() { - return true; - } - @Override - public boolean isNamelessWallpaper() { - return true; - } - } - - public static class FileWallpaperInfo extends WallpaperTileInfo { - private File mFile; - - public FileWallpaperInfo(File target, Drawable thumb) { - mFile = target; - mThumb = thumb; - } - @Override - public void onClick(final WallpaperPickerActivity a) { - a.setWallpaperButtonEnabled(false); - final BitmapRegionTileSource.UriBitmapSource bitmapSource = - new BitmapRegionTileSource.UriBitmapSource(a.getContext(), Uri.fromFile(mFile)); - a.setCropViewTileSource(bitmapSource, false, true, null, new Runnable() { - - @Override - public void run() { - if (bitmapSource.getLoadingState() == BitmapSource.State.LOADED) { - a.setWallpaperButtonEnabled(true); - } - } - }); - } - @Override - public void onSave(WallpaperPickerActivity a) { - boolean shouldFadeOutOnFinish = a.getWallpaperParallaxOffset() == 0f; - a.setWallpaper(Uri.fromFile(mFile), true, shouldFadeOutOnFinish); - } - @Override - public boolean isSelectable() { - return true; - } - @Override - public boolean isNamelessWallpaper() { - return true; - } - } - - public static class ResourceWallpaperInfo extends WallpaperTileInfo { - private Resources mResources; - private int mResId; - - public ResourceWallpaperInfo(Resources res, int resId, Drawable thumb) { - mResources = res; - mResId = resId; - mThumb = thumb; - } - @Override - public void onClick(final WallpaperPickerActivity a) { - a.setWallpaperButtonEnabled(false); - final BitmapRegionTileSource.ResourceBitmapSource bitmapSource = - new BitmapRegionTileSource.ResourceBitmapSource(mResources, mResId); - a.setCropViewTileSource(bitmapSource, false, false, new CropViewScaleAndOffsetProvider() { - - @Override - public float getScale(Point wallpaperSize, RectF crop) { - return wallpaperSize.x /crop.width(); - } - - @Override - public float getParallaxOffset() { - return a.getWallpaperParallaxOffset(); - } - }, new Runnable() { - - @Override - public void run() { - if (bitmapSource.getLoadingState() == BitmapSource.State.LOADED) { - a.setWallpaperButtonEnabled(true); - } - } - }); - } - @Override - public void onSave(WallpaperPickerActivity a) { - boolean finishActivityWhenDone = true; - boolean shouldFadeOutOnFinish = true; - a.cropImageAndSetWallpaper(mResources, mResId, finishActivityWhenDone, - shouldFadeOutOnFinish); - } - @Override - public boolean isSelectable() { - return true; - } - @Override - public boolean isNamelessWallpaper() { - return true; - } - } - - @TargetApi(Build.VERSION_CODES.KITKAT) - public static class DefaultWallpaperInfo extends WallpaperTileInfo { - public DefaultWallpaperInfo(Drawable thumb) { - mThumb = thumb; - } - @Override - public void onClick(WallpaperPickerActivity a) { - CropView c = a.getCropView(); - Drawable defaultWallpaper = WallpaperManager.getInstance(a.getContext()) - .getBuiltInDrawable(c.getWidth(), c.getHeight(), false, 0.5f, 0.5f); - if (defaultWallpaper == null) { - Log.w(TAG, "Null default wallpaper encountered."); - c.setTileSource(null, null); - return; - } - - LoadRequest req = new LoadRequest(); - req.moveToLeft = false; - req.touchEnabled = false; - req.scaleAndOffsetProvider = new CropViewScaleAndOffsetProvider() { - - @Override - public float getScale(Point wallpaperSize, RectF crop) { - return 1f; - } - - @Override - public float getParallaxOffset() { - return 0; - } - }; - req.result = new DrawableTileSource(a.getContext(), - defaultWallpaper, DrawableTileSource.MAX_PREVIEW_SIZE); - a.onLoadRequestComplete(req, true); - } - @Override - public void onSave(WallpaperPickerActivity a) { - try { - WallpaperManager.getInstance(a.getContext()).clear(); - a.setResult(Activity.RESULT_OK); - } catch (IOException e) { - Log.w("Setting wallpaper to default threw exception", e); - } - a.finish(); - } - @Override - public boolean isSelectable() { - return true; - } - @Override - public boolean isNamelessWallpaper() { - return true; - } - } - /** - * shows the system wallpaper behind the window and hides the {@link - * #mCropView} if visible + * shows the system wallpaper behind the window and hides the {@link #mCropView} if visible * @param visible should the system wallpaper be shown */ protected void setSystemWallpaperVisiblity(final boolean visible) { @@ -380,7 +130,9 @@ public class WallpaperPickerActivity extends WallpaperCropActivity { } } - // called by onCreate; this is subclassed to overwrite WallpaperCropActivity + /** + * called by onCreate; this is sub-classed to overwrite WallpaperCropActivity + */ protected void init() { setContentView(R.layout.wallpaper_picker); @@ -390,139 +142,39 @@ public class WallpaperPickerActivity extends WallpaperCropActivity { mProgressView = findViewById(R.id.loading); mWallpaperScrollContainer = (HorizontalScrollView) findViewById(R.id.wallpaper_scroll_container); mWallpaperStrip = findViewById(R.id.wallpaper_strip); - mCropView.setTouchCallback(new CropView.TouchCallback() { - ViewPropertyAnimator mAnim; - @Override - public void onTouchDown() { - if (mAnim != null) { - mAnim.cancel(); - } - if (mWallpaperStrip.getAlpha() == 1f) { - mIgnoreNextTap = true; - } - mAnim = mWallpaperStrip.animate(); - mAnim.alpha(0f) - .setDuration(150) - .withEndAction(new Runnable() { - public void run() { - mWallpaperStrip.setVisibility(View.INVISIBLE); - } - }); - mAnim.setInterpolator(new AccelerateInterpolator(0.75f)); - mAnim.start(); - } - @Override - public void onTouchUp() { - mIgnoreNextTap = false; - } - @Override - public void onTap() { - boolean ignoreTap = mIgnoreNextTap; - mIgnoreNextTap = false; - if (!ignoreTap) { - if (mAnim != null) { - mAnim.cancel(); - } - mWallpaperStrip.setVisibility(View.VISIBLE); - mAnim = mWallpaperStrip.animate(); - mAnim.alpha(1f) - .setDuration(150) - .setInterpolator(new DecelerateInterpolator(0.75f)); - mAnim.start(); - } - } - }); - - mThumbnailOnClickListener = new OnClickListener() { - public void onClick(View v) { - if (mActionMode != null) { - // When CAB is up, clicking toggles the item instead - if (v.isLongClickable()) { - mLongClickListener.onLongClick(v); - } - return; - } - setWallpaperButtonEnabled(true); - WallpaperTileInfo info = (WallpaperTileInfo) v.getTag(); - if (info.isSelectable() && v.getVisibility() == View.VISIBLE) { - selectTile(v); - } - info.onClick(WallpaperPickerActivity.this); - } - }; - mLongClickListener = new View.OnLongClickListener() { - // Called when the user long-clicks on someView - public boolean onLongClick(View view) { - CheckableFrameLayout c = (CheckableFrameLayout) view; - c.toggle(); - - if (mActionMode != null) { - mActionMode.invalidate(); - } else { - // Start the CAB using the ActionMode.Callback defined below - mActionMode = startActionMode(mActionModeCallback); - int childCount = mWallpapersView.getChildCount(); - for (int i = 0; i < childCount; i++) { - mWallpapersView.getChildAt(i).setSelected(false); - } - } - return true; - } - }; + mCropView.setTouchCallback(new ToggleOnTapCallback(mWallpaperStrip)); mWallpaperParallaxOffset = getIntent().getFloatExtra(EXTRA_WALLPAPER_OFFSET, 0); - // Populate the built-in wallpapers - ArrayList<WallpaperTileInfo> wallpapers = findBundledWallpapers(); mWallpapersView = (LinearLayout) findViewById(R.id.wallpaper_list); - SimpleWallpapersAdapter ia = new SimpleWallpapersAdapter(getContext(), wallpapers); - populateWallpapersFromAdapter(mWallpapersView, ia, false); - // Populate the saved wallpapers mSavedImages = new SavedWallpaperImages(getContext()); - mSavedImages.loadThumbnailsAndImageIdList(); - populateWallpapersFromAdapter(mWallpapersView, mSavedImages, true); - - // Populate the live wallpapers - final LinearLayout liveWallpapersView = - (LinearLayout) findViewById(R.id.live_wallpaper_list); - final LiveWallpaperListAdapter a = new LiveWallpaperListAdapter(getContext()); - a.registerDataSetObserver(new DataSetObserver() { - public void onChanged() { - liveWallpapersView.removeAllViews(); - populateWallpapersFromAdapter(liveWallpapersView, a, false); + populateWallpapers(mWallpapersView, mSavedImages.loadThumbnailsAndImageIdList(), true); + + // Populate the built-in wallpapers + ArrayList<WallpaperTileInfo> wallpapers = findBundledWallpapers(); + populateWallpapers(mWallpapersView, wallpapers, false); + + // Load live wallpapers asynchronously + new LiveWallpaperInfo.LoaderTask(this) { + + @Override + protected void onPostExecute(List<LiveWallpaperInfo> result) { + populateWallpapers((LinearLayout) findViewById(R.id.live_wallpaper_list), + result, false); initializeScrollForRtl(); updateTileIndices(); } - }); + }.execute(); // Populate the third-party wallpaper pickers - final LinearLayout thirdPartyWallpapersView = - (LinearLayout) findViewById(R.id.third_party_wallpaper_list); - final ThirdPartyWallpaperPickerListAdapter ta = - new ThirdPartyWallpaperPickerListAdapter(getContext()); - populateWallpapersFromAdapter(thirdPartyWallpapersView, ta, false); + populateWallpapers((LinearLayout) findViewById(R.id.third_party_wallpaper_list), + ThirdPartyWallpaperInfo.getAll(this), false /* addLongPressHandler */); // Add a tile for the Gallery LinearLayout masterWallpaperList = (LinearLayout) findViewById(R.id.master_wallpaper_list); - FrameLayout pickImageTile = (FrameLayout) getLayoutInflater(). - inflate(R.layout.wallpaper_picker_image_picker_item, masterWallpaperList, false); - masterWallpaperList.addView(pickImageTile, 0); - - // Make its background the last photo taken on external storage - Bitmap lastPhoto = getThumbnailOfLastPhoto(); - if (lastPhoto != null) { - ImageView galleryThumbnailBg = - (ImageView) pickImageTile.findViewById(R.id.wallpaper_image); - galleryThumbnailBg.setImageBitmap(lastPhoto); - int colorOverlay = getResources().getColor(R.color.wallpaper_picker_translucent_gray); - galleryThumbnailBg.setColorFilter(colorOverlay, PorterDuff.Mode.SRC_ATOP); - } - - PickImageInfo pickImageInfo = new PickImageInfo(); - pickImageTile.setTag(pickImageInfo); - pickImageInfo.setView(pickImageTile); - pickImageTile.setOnClickListener(mThumbnailOnClickListener); + masterWallpaperList.addView( + createTileView(masterWallpaperList, new PickImageInfo(), false), 0); // Select the first item; wait for a layout pass so that we initialize the dimensions of // cropView or the defaultWallpaperView first @@ -532,8 +184,7 @@ public class WallpaperPickerActivity extends WallpaperCropActivity { int oldLeft, int oldTop, int oldRight, int oldBottom) { if ((right - left) > 0 && (bottom - top) > 0) { if (mSelectedIndex >= 0 && mSelectedIndex < mWallpapersView.getChildCount()) { - mThumbnailOnClickListener.onClick( - mWallpapersView.getChildAt(mSelectedIndex)); + onClick(mWallpapersView.getChildAt(mSelectedIndex)); setSystemWallpaperVisiblity(false); } v.removeOnLayoutChangeListener(this); @@ -577,95 +228,47 @@ public class WallpaperPickerActivity extends WallpaperCropActivity { } }); mSetWallpaperButton = findViewById(R.id.set_wallpaper_button); + } - // CAB for deleting items - mActionModeCallback = new ActionMode.Callback() { - // Called when the action mode is created; startActionMode() was called - @Override - public boolean onCreateActionMode(ActionMode mode, Menu menu) { - // Inflate a menu resource providing context menu items - MenuInflater inflater = mode.getMenuInflater(); - inflater.inflate(R.menu.cab_delete_wallpapers, menu); - return true; - } - - private int numCheckedItems() { - int childCount = mWallpapersView.getChildCount(); - int numCheckedItems = 0; - for (int i = 0; i < childCount; i++) { - CheckableFrameLayout c = (CheckableFrameLayout) mWallpapersView.getChildAt(i); - if (c.isChecked()) { - numCheckedItems++; - } - } - return numCheckedItems; - } - - // Called each time the action mode is shown. Always called after onCreateActionMode, - // but may be called multiple times if the mode is invalidated. - @Override - public boolean onPrepareActionMode(ActionMode mode, Menu menu) { - int numCheckedItems = numCheckedItems(); - if (numCheckedItems == 0) { - mode.finish(); - return true; - } else { - mode.setTitle(getResources().getQuantityString( - R.plurals.number_of_items_selected, numCheckedItems, numCheckedItems)); - return true; - } + /** + * Called when a wallpaper tile is clicked + */ + @Override + public void onClick(View v) { + if (mActionMode != null) { + // When CAB is up, clicking toggles the item instead + if (v.isLongClickable()) { + onLongClick(v); } + return; + } + setWallpaperButtonEnabled(true); + WallpaperTileInfo info = (WallpaperTileInfo) v.getTag(); + if (info.isSelectable() && v.getVisibility() == View.VISIBLE) { + selectTile(v); + } + info.onClick(this); + } - // Called when the user selects a contextual menu item - @Override - public boolean onActionItemClicked(ActionMode mode, MenuItem item) { - int itemId = item.getItemId(); - if (itemId == R.id.menu_delete) { - int childCount = mWallpapersView.getChildCount(); - ArrayList<View> viewsToRemove = new ArrayList<View>(); - boolean selectedTileRemoved = false; - for (int i = 0; i < childCount; i++) { - CheckableFrameLayout c = - (CheckableFrameLayout) mWallpapersView.getChildAt(i); - if (c.isChecked()) { - WallpaperTileInfo info = (WallpaperTileInfo) c.getTag(); - info.onDelete(WallpaperPickerActivity.this); - viewsToRemove.add(c); - if (i == mSelectedIndex) { - selectedTileRemoved = true; - } - } - } - for (View v : viewsToRemove) { - mWallpapersView.removeView(v); - } - if (selectedTileRemoved) { - mSelectedIndex = -1; - mSelectedTile = null; - setSystemWallpaperVisiblity(true); - } - updateTileIndices(); - mode.finish(); // Action picked, so close the CAB - return true; - } else { - return false; - } - } + /** + * Called when a view is long clicked + */ + @Override + public boolean onLongClick(View v) { + CheckableFrameLayout c = (CheckableFrameLayout) v; + c.toggle(); - // Called when the user exits the action mode - @Override - public void onDestroyActionMode(ActionMode mode) { - int childCount = mWallpapersView.getChildCount(); - for (int i = 0; i < childCount; i++) { - CheckableFrameLayout c = (CheckableFrameLayout) mWallpapersView.getChildAt(i); - c.setChecked(false); - } - if (mSelectedTile != null) { - mSelectedTile.setSelected(true); - } - mActionMode = null; + if (mActionMode != null) { + mActionMode.invalidate(); + } else { + // Start the CAB using the ActionMode.Callback defined below + mActionMode = startActionMode(this); + int childCount = mWallpapersView.getChildCount(); + for (int i = 0; i < childCount; i++) { + mWallpapersView.getChildAt(i).setSelected(false); } - }; + } + return true; } public void setWallpaperButtonEnabled(boolean enabled) { @@ -676,7 +279,7 @@ public class WallpaperPickerActivity extends WallpaperCropActivity { return mWallpaperParallaxOffset; } - @Thunk void selectTile(View v) { + public void selectTile(View v) { if (mSelectedTile != null) { mSelectedTile.setSelected(false); mSelectedTile = null; @@ -704,35 +307,6 @@ public class WallpaperPickerActivity extends WallpaperCropActivity { } } - protected Bitmap getThumbnailOfLastPhoto() { - boolean canReadExternalStorage = getActivity().checkPermission( - Manifest.permission.READ_EXTERNAL_STORAGE, Process.myPid(), Process.myUid()) == - PackageManager.PERMISSION_GRANTED; - - if (!canReadExternalStorage) { - // MediaStore.Images.Media.EXTERNAL_CONTENT_URI requires - // the READ_EXTERNAL_STORAGE permission - return null; - } - - Cursor cursor = MediaStore.Images.Media.query(getContext().getContentResolver(), - MediaStore.Images.Media.EXTERNAL_CONTENT_URI, - new String[] { MediaStore.Images.ImageColumns._ID, - MediaStore.Images.ImageColumns.DATE_TAKEN}, - null, null, MediaStore.Images.ImageColumns.DATE_TAKEN + " DESC LIMIT 1"); - - Bitmap thumb = null; - if (cursor != null) { - if (cursor.moveToNext()) { - int id = cursor.getInt(0); - thumb = MediaStore.Images.Thumbnails.getThumbnail(getContext().getContentResolver(), - id, MediaStore.Images.Thumbnails.MINI_KIND, null); - } - cursor.close(); - } - return thumb; - } - public void onStop() { super.onStop(); mWallpaperStrip = findViewById(R.id.wallpaper_strip); @@ -755,21 +329,6 @@ public class WallpaperPickerActivity extends WallpaperCropActivity { mSelectedIndex = savedInstanceState.getInt(SELECTED_INDEX, -1); } - @Thunk void populateWallpapersFromAdapter(ViewGroup parent, BaseAdapter adapter, - boolean addLongPressHandler) { - for (int i = 0; i < adapter.getCount(); i++) { - FrameLayout thumbnail = (FrameLayout) adapter.getView(i, null, parent); - parent.addView(thumbnail, i); - WallpaperTileInfo info = (WallpaperTileInfo) adapter.getItem(i); - thumbnail.setTag(info); - info.setView(thumbnail); - if (addLongPressHandler) { - addLongPressHandler(thumbnail); - } - thumbnail.setOnClickListener(mThumbnailOnClickListener); - } - } - @Thunk void updateTileIndices() { LinearLayout masterWallpaperList = (LinearLayout) findViewById(R.id.master_wallpaper_list); final int childCount = masterWallpaperList.getChildCount(); @@ -811,126 +370,68 @@ public class WallpaperPickerActivity extends WallpaperCropActivity { } } - @Thunk static Point getDefaultThumbnailSize(Resources res) { - return new Point(res.getDimensionPixelSize(R.dimen.wallpaperThumbnailWidth), - res.getDimensionPixelSize(R.dimen.wallpaperThumbnailHeight)); - - } - - @Thunk static Bitmap createThumbnail(Point size, Context context, Uri uri, byte[] imageBytes, - Resources res, int resId, int rotation, boolean leftAligned) { - int width = size.x; - int height = size.y; - - BitmapCropTask cropTask; - if (uri != null) { - cropTask = new BitmapCropTask( - context, uri, null, rotation, width, height, false, true, null); - } else if (imageBytes != null) { - cropTask = new BitmapCropTask( - imageBytes, null, rotation, width, height, false, true, null); - } else { - cropTask = new BitmapCropTask( - context, res, resId, null, rotation, width, height, false, true, null); - } - Point bounds = cropTask.getImageBounds(); - if (bounds == null || bounds.x == 0 || bounds.y == 0) { - return null; - } - - Matrix rotateMatrix = new Matrix(); - rotateMatrix.setRotate(rotation); - float[] rotatedBounds = new float[] { bounds.x, bounds.y }; - rotateMatrix.mapPoints(rotatedBounds); - rotatedBounds[0] = Math.abs(rotatedBounds[0]); - rotatedBounds[1] = Math.abs(rotatedBounds[1]); - - RectF cropRect = Utils.getMaxCropRect( - (int) rotatedBounds[0], (int) rotatedBounds[1], width, height, leftAligned); - cropTask.setCropBounds(cropRect); - - if (cropTask.cropBitmap()) { - return cropTask.getCroppedBitmap(); - } else { - return null; - } - } - private void addTemporaryWallpaperTile(final Uri uri, boolean fromRestore) { + // Add a tile for the image picked from Gallery, reusing the existing tile if there is one. - FrameLayout existingImageThumbnail = null; + View imageTile = null; int indexOfExistingTile = 0; for (; indexOfExistingTile < mWallpapersView.getChildCount(); indexOfExistingTile++) { - FrameLayout thumbnail = (FrameLayout) mWallpapersView.getChildAt(indexOfExistingTile); + View thumbnail = mWallpapersView.getChildAt(indexOfExistingTile); Object tag = thumbnail.getTag(); if (tag instanceof UriWallpaperInfo && ((UriWallpaperInfo) tag).mUri.equals(uri)) { - existingImageThumbnail = thumbnail; + imageTile = thumbnail; break; } } - final FrameLayout pickedImageThumbnail; - if (existingImageThumbnail != null) { - pickedImageThumbnail = existingImageThumbnail; + final UriWallpaperInfo info; + if (imageTile != null) { // Always move the existing wallpaper to the front so user can see it without scrolling. mWallpapersView.removeViewAt(indexOfExistingTile); - mWallpapersView.addView(existingImageThumbnail, 0); + info = (UriWallpaperInfo) imageTile.getTag(); } else { // This is the first time this temporary wallpaper has been added - pickedImageThumbnail = (FrameLayout) getLayoutInflater() - .inflate(R.layout.wallpaper_picker_item, mWallpapersView, false); - pickedImageThumbnail.setVisibility(View.GONE); - mWallpapersView.addView(pickedImageThumbnail, 0); + info = new UriWallpaperInfo(uri); + imageTile = createTileView(mWallpapersView, info, true); mTempWallpaperTiles.add(uri); } + mWallpapersView.addView(imageTile, 0); + info.loadThumbnaleAsync(this); - // Load the thumbnail - final ImageView image = (ImageView) pickedImageThumbnail.findViewById(R.id.wallpaper_image); - final Point defaultSize = getDefaultThumbnailSize(this.getResources()); - final Context context = getContext(); - new AsyncTask<Void, Bitmap, Bitmap>() { - protected Bitmap doInBackground(Void...args) { - try { - int rotation = BitmapUtils.getRotationFromExif(context, uri); - return createThumbnail(defaultSize, context, uri, null, null, 0, rotation, - false); - } catch (SecurityException securityException) { - if (isActivityDestroyed()) { - // Temporarily granted permissions are revoked when the activity - // finishes, potentially resulting in a SecurityException here. - // Even though {@link #isDestroyed} might also return true in different - // situations where the configuration changes, we are fine with - // catching these cases here as well. - cancel(false); - } else { - // otherwise it had a different cause and we throw it further - throw securityException; - } - return null; - } - } - protected void onPostExecute(Bitmap thumb) { - if (!isCancelled() && thumb != null) { - image.setImageBitmap(thumb); - Drawable thumbDrawable = image.getDrawable(); - thumbDrawable.setDither(true); - pickedImageThumbnail.setVisibility(View.VISIBLE); - } else { - Log.e(TAG, "Error loading thumbnail for uri=" + uri); - } - } - }.execute(); - - UriWallpaperInfo info = new UriWallpaperInfo(uri); - pickedImageThumbnail.setTag(info); - info.setView(pickedImageThumbnail); - addLongPressHandler(pickedImageThumbnail); updateTileIndices(); - pickedImageThumbnail.setOnClickListener(mThumbnailOnClickListener); if (!fromRestore) { - mThumbnailOnClickListener.onClick(pickedImageThumbnail); + onClick(imageTile); } } + @Thunk void populateWallpapers(ViewGroup parent, List<? extends WallpaperTileInfo> wallpapers, + boolean addLongPressHandler) { + for (WallpaperTileInfo info : wallpapers) { + parent.addView(createTileView(parent, info, addLongPressHandler)); + } + } + + private View createTileView(ViewGroup parent, WallpaperTileInfo info, boolean addLongPress) { + View view = info.createView(this, getLayoutInflater(), parent); + view.setTag(info); + + if (addLongPress) { + view.setOnLongClickListener(this); + + // Enable stylus button to also trigger long click. + final StylusEventHelper stylusEventHelper = + new StylusEventHelper(new SimpleOnStylusPressListener(view), view); + view.setOnTouchListener(new View.OnTouchListener() { + @SuppressLint("ClickableViewAccessibility") + @Override + public boolean onTouch(View view, MotionEvent event) { + return stylusEventHelper.onMotionEvent(event); + } + }); + } + view.setOnClickListener(this); + return view; + } + public void onActivityResult(int requestCode, int resultCode, Intent data) { if (requestCode == IMAGE_PICK && resultCode == Activity.RESULT_OK) { if (data != null && data.getData() != null) { @@ -945,19 +446,6 @@ public class WallpaperPickerActivity extends WallpaperCropActivity { } } - private void addLongPressHandler(View v) { - v.setOnLongClickListener(mLongClickListener); - - // Enable stylus button to also trigger long click. - final StylusEventHelper stylusEventHelper = new StylusEventHelper(v); - v.setOnTouchListener(new View.OnTouchListener() { - @Override - public boolean onTouch(View view, MotionEvent event) { - return stylusEventHelper.checkAndPerformStylusEvent(event); - } - }); - } - private ArrayList<WallpaperTileInfo> findBundledWallpapers() { final PackageManager pm = getContext().getPackageManager(); final ArrayList<WallpaperTileInfo> bundled = new ArrayList<WallpaperTileInfo>(24); @@ -994,7 +482,8 @@ public class WallpaperPickerActivity extends WallpaperCropActivity { File thumbnail = new File(systemDir, name + "_small" + extension); Bitmap thumb = BitmapFactory.decodeFile(thumbnail.getAbsolutePath()); if (thumb != null) { - bundled.add(new FileWallpaperInfo(file, new BitmapDrawable(thumb))); + bundled.add(new FileWallpaperInfo( + file, new BitmapDrawable(getResources(), thumb))); } } } @@ -1012,8 +501,7 @@ public class WallpaperPickerActivity extends WallpaperCropActivity { if (partner == null || !partner.hideDefaultWallpaper()) { // Add an entry for the default wallpaper (stored in system resources) - WallpaperTileInfo defaultWallpaperInfo = Utilities.ATLEAST_KITKAT - ? getDefaultWallpaper() : getPreKKDefaultWallpaperInfo(); + WallpaperTileInfo defaultWallpaperInfo = DefaultWallpaperInfo.get(this); if (defaultWallpaperInfo != null) { bundled.add(0, defaultWallpaperInfo); } @@ -1021,95 +509,6 @@ public class WallpaperPickerActivity extends WallpaperCropActivity { return bundled; } - private boolean writeImageToFileAsJpeg(File f, Bitmap b) { - try { - f.createNewFile(); - FileOutputStream thumbFileStream = - getContext().openFileOutput(f.getName(), Context.MODE_PRIVATE); - b.compress(Bitmap.CompressFormat.JPEG, 95, thumbFileStream); - thumbFileStream.close(); - return true; - } catch (IOException e) { - Log.e(TAG, "Error while writing bitmap to file " + e); - f.delete(); - } - return false; - } - - private File getDefaultThumbFile() { - return new File(getContext().getFilesDir(), Build.VERSION.SDK_INT - + "_" + LauncherFiles.DEFAULT_WALLPAPER_THUMBNAIL); - } - - private boolean saveDefaultWallpaperThumb(Bitmap b) { - // Delete old thumbnails. - new File(getContext().getFilesDir(), LauncherFiles.DEFAULT_WALLPAPER_THUMBNAIL_OLD).delete(); - new File(getContext().getFilesDir(), LauncherFiles.DEFAULT_WALLPAPER_THUMBNAIL).delete(); - - for (int i = Build.VERSION_CODES.JELLY_BEAN; i < Build.VERSION.SDK_INT; i++) { - new File(getContext().getFilesDir(), i + "_" - + LauncherFiles.DEFAULT_WALLPAPER_THUMBNAIL).delete(); - } - return writeImageToFileAsJpeg(getDefaultThumbFile(), b); - } - - private ResourceWallpaperInfo getPreKKDefaultWallpaperInfo() { - Resources sysRes = Resources.getSystem(); - int resId = sysRes.getIdentifier("default_wallpaper", "drawable", "android"); - - File defaultThumbFile = getDefaultThumbFile(); - Bitmap thumb = null; - boolean defaultWallpaperExists = false; - if (defaultThumbFile.exists()) { - thumb = BitmapFactory.decodeFile(defaultThumbFile.getAbsolutePath()); - defaultWallpaperExists = true; - } else { - Resources res = getResources(); - Point defaultThumbSize = getDefaultThumbnailSize(res); - int rotation = BitmapUtils.getRotationFromExif(res, resId); - thumb = createThumbnail( - defaultThumbSize, getContext(), null, null, sysRes, resId, rotation, false); - if (thumb != null) { - defaultWallpaperExists = saveDefaultWallpaperThumb(thumb); - } - } - if (defaultWallpaperExists) { - return new ResourceWallpaperInfo(sysRes, resId, new BitmapDrawable(thumb)); - } - return null; - } - - @TargetApi(Build.VERSION_CODES.KITKAT) - private DefaultWallpaperInfo getDefaultWallpaper() { - File defaultThumbFile = getDefaultThumbFile(); - Bitmap thumb = null; - boolean defaultWallpaperExists = false; - if (defaultThumbFile.exists()) { - thumb = BitmapFactory.decodeFile(defaultThumbFile.getAbsolutePath()); - defaultWallpaperExists = true; - } else { - Resources res = getResources(); - Point defaultThumbSize = getDefaultThumbnailSize(res); - Drawable wallpaperDrawable = WallpaperManager.getInstance(getContext()).getBuiltInDrawable( - defaultThumbSize.x, defaultThumbSize.y, true, 0.5f, 0.5f); - if (wallpaperDrawable != null) { - thumb = Bitmap.createBitmap( - defaultThumbSize.x, defaultThumbSize.y, Bitmap.Config.ARGB_8888); - Canvas c = new Canvas(thumb); - wallpaperDrawable.setBounds(0, 0, defaultThumbSize.x, defaultThumbSize.y); - wallpaperDrawable.draw(c); - c.setBitmap(null); - } - if (thumb != null) { - defaultWallpaperExists = saveDefaultWallpaperThumb(thumb); - } - } - if (defaultWallpaperExists) { - return new DefaultWallpaperInfo(new BitmapDrawable(thumb)); - } - return null; - } - public Pair<ApplicationInfo, Integer> getWallpaperArrayResourceId() { // Context.getPackageName() may return the "original" package name, // com.android.launcher3; Resources needs the real package name, @@ -1144,62 +543,111 @@ public class WallpaperPickerActivity extends WallpaperCropActivity { } } - public CropView getCropView() { - return mCropView; - } - public SavedWallpaperImages getSavedImages() { return mSavedImages; } - private static class SimpleWallpapersAdapter extends ArrayAdapter<WallpaperTileInfo> { - private final LayoutInflater mLayoutInflater; - - SimpleWallpapersAdapter(Context context, ArrayList<WallpaperTileInfo> wallpapers) { - super(context, R.layout.wallpaper_picker_item, wallpapers); - mLayoutInflater = LayoutInflater.from(context); - } + public void startActivityForResultSafely(Intent intent, int requestCode) { + Utilities.startActivityForResultSafely(getActivity(), intent, requestCode); + } - public View getView(int position, View convertView, ViewGroup parent) { - Drawable thumb = getItem(position).mThumb; - if (thumb == null) { - Log.e(TAG, "Error decoding thumbnail for wallpaper #" + position); - } - return createImageTileView(mLayoutInflater, convertView, parent, thumb); - } + @Override + public boolean enableRotation() { + return super.enableRotation() || + getContentResolver().call(LauncherSettings.Settings.CONTENT_URI, + LauncherSettings.Settings.METHOD_GET_BOOLEAN, + Utilities.ALLOW_ROTATION_PREFERENCE_KEY, new Bundle()) + .getBoolean(LauncherSettings.Settings.EXTRA_VALUE); } - public static View createImageTileView(LayoutInflater layoutInflater, - View convertView, ViewGroup parent, Drawable thumb) { - View view; + // CAB for deleting items + /** + * Called when the action mode is created; startActionMode() was called + */ + @Override + public boolean onCreateActionMode(ActionMode mode, Menu menu) { + // Inflate a menu resource providing context menu items + MenuInflater inflater = mode.getMenuInflater(); + inflater.inflate(R.menu.cab_delete_wallpapers, menu); + return true; + } - if (convertView == null) { - view = layoutInflater.inflate(R.layout.wallpaper_picker_item, parent, false); - } else { - view = convertView; + /** + * Called each time the action mode is shown. Always called after onCreateActionMode, + * but may be called multiple times if the mode is invalidated. + */ + @Override + public boolean onPrepareActionMode(ActionMode mode, Menu menu) { + int childCount = mWallpapersView.getChildCount(); + int numCheckedItems = 0; + for (int i = 0; i < childCount; i++) { + CheckableFrameLayout c = (CheckableFrameLayout) mWallpapersView.getChildAt(i); + if (c.isChecked()) { + numCheckedItems++; + } } - ImageView image = (ImageView) view.findViewById(R.id.wallpaper_image); - - if (thumb != null) { - image.setImageDrawable(thumb); - thumb.setDither(true); + if (numCheckedItems == 0) { + mode.finish(); + return true; + } else { + mode.setTitle(getResources().getQuantityString( + R.plurals.number_of_items_selected, numCheckedItems, numCheckedItems)); + return true; } - - return view; - } - - public void startActivityForResultSafely(Intent intent, int requestCode) { - Utilities.startActivityForResultSafely(getActivity(), intent, requestCode); } + /** + * Called when the user selects a contextual menu item + */ @Override - public boolean enableRotation() { - // Check if rotation is enabled for this device. - if (Utilities.isRotationAllowedForDevice(getContext())) + public boolean onActionItemClicked(ActionMode mode, MenuItem item) { + int itemId = item.getItemId(); + if (itemId == R.id.menu_delete) { + int childCount = mWallpapersView.getChildCount(); + ArrayList<View> viewsToRemove = new ArrayList<View>(); + boolean selectedTileRemoved = false; + for (int i = 0; i < childCount; i++) { + CheckableFrameLayout c = + (CheckableFrameLayout) mWallpapersView.getChildAt(i); + if (c.isChecked()) { + WallpaperTileInfo info = (WallpaperTileInfo) c.getTag(); + info.onDelete(WallpaperPickerActivity.this); + viewsToRemove.add(c); + if (i == mSelectedIndex) { + selectedTileRemoved = true; + } + } + } + for (View v : viewsToRemove) { + mWallpapersView.removeView(v); + } + if (selectedTileRemoved) { + mSelectedIndex = -1; + mSelectedTile = null; + setSystemWallpaperVisiblity(true); + } + updateTileIndices(); + mode.finish(); // Action picked, so close the CAB return true; + } else { + return false; + } + } - // Check if the user has specifically enabled rotation via preferences. - return Utilities.isAllowRotationPrefEnabled(getApplicationContext(), true); + /** + * Called when the user exits the action mode + */ + @Override + public void onDestroyActionMode(ActionMode mode) { + int childCount = mWallpapersView.getChildCount(); + for (int i = 0; i < childCount; i++) { + CheckableFrameLayout c = (CheckableFrameLayout) mWallpapersView.getChildAt(i); + c.setChecked(false); + } + if (mSelectedTile != null) { + mSelectedTile.setSelected(true); + } + mActionMode = null; } } |