--- /dev/null
+/*
+ * Copyright (C) 2013 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.launcher3;
+
+import android.content.Context;
+import android.util.AttributeSet;
+import android.widget.Checkable;
+import android.widget.FrameLayout;
+
+public class CheckableFrameLayout extends FrameLayout implements Checkable {
+ private static final int[] CHECKED_STATE_SET = { android.R.attr.state_checked };
+ boolean mChecked;
+
+ public CheckableFrameLayout(Context context) {
+ super(context);
+ }
+
+ public CheckableFrameLayout(Context context, AttributeSet attrs) {
+ super(context, attrs);
+ }
+
+ public CheckableFrameLayout(Context context, AttributeSet attrs, int defStyle) {
+ super(context, attrs, defStyle);
+ }
+
+ public boolean isChecked() {
+ return mChecked;
+ }
+
+ public void setChecked(boolean checked) {
+ if (checked != mChecked) {
+ mChecked = checked;
+ refreshDrawableState();
+ }
+ }
+
+ public void toggle() {
+ setChecked(!mChecked);
+ }
+
+ @Override
+ protected int[] onCreateDrawableState(int extraSpace) {
+ final int[] drawableState = super.onCreateDrawableState(extraSpace + 1);
+ if (isChecked()) {
+ mergeDrawableStates(drawableState, CHECKED_STATE_SET);
+ }
+ return drawableState;
+ }
+}
import android.graphics.drawable.Drawable;
import android.graphics.drawable.LevelListDrawable;
import android.net.Uri;
+import android.os.Bundle;
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;
import android.view.SubMenu;
import android.view.View;
private static final int IMAGE_PICK = 5;
private static final int PICK_WALLPAPER_THIRD_PARTY_ACTIVITY = 6;
+ private static final String TEMP_WALLPAPER_TILES = "TEMP_WALLPAPER_TILES";
private ArrayList<Drawable> mBundledWallpaperThumbs;
private ArrayList<Integer> mBundledWallpaperResIds;
private OnClickListener mThumbnailOnClickListener;
private LinearLayout mWallpapersView;
+
+ private ActionMode.Callback mActionModeCallback;
+ private ActionMode mActionMode;
+
private View.OnLongClickListener mLongClickListener;
ArrayList<Uri> mTempWallpaperTiles = new ArrayList<Uri>();
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;
+ }
if (mSelectedThumb != null) {
mSelectedThumb.setSelected(false);
}
}
}
};
+ 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;
+ }
+ };
// Populate the built-in wallpapers
findBundledWallpapers();
galleryThumbnail.setTag(meta);
galleryThumbnail.setOnClickListener(mThumbnailOnClickListener);
+ // Create smooth layout transitions for when items are deleted
+ final LayoutTransition transitioner = new LayoutTransition();
+ transitioner.setDuration(200);
+ transitioner.setStartDelay(LayoutTransition.CHANGE_DISAPPEARING, 0);
+ transitioner.setAnimator(LayoutTransition.DISAPPEARING, null);
+ mWallpapersView.setLayoutTransition(transitioner);
+
// Action bar
// Show the custom action bar view
final ActionBar actionBar = getActionBar();
}
}
});
- }
+ // 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 the user selects a contextual menu item
+ @Override
+ public boolean onActionItemClicked(ActionMode mode, MenuItem item) {
+ switch (item.getItemId()) {
+ case R.id.menu_delete:
+ int childCount = mWallpapersView.getChildCount();
+ ArrayList<View> viewsToRemove = new ArrayList<View>();
+ for (int i = 0; i < childCount; i++) {
+ CheckableFrameLayout c =
+ (CheckableFrameLayout) mWallpapersView.getChildAt(i);
+ if (c.isChecked()) {
+ ThumbnailMetaData meta = (ThumbnailMetaData) c.getTag();
+ mSavedImages.deleteImage(meta.mSavedWallpaperDbId);
+ viewsToRemove.add(c);
+ }
+ }
+ for (View v : viewsToRemove) {
+ mWallpapersView.removeView(v);
+ }
+ ///xxxxx DESTROYING
+ mode.finish(); // Action picked, so close the CAB
+ return true;
+ default:
+ return false;
+ }
+ }
+
+ // 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);
+ }
+ mSelectedThumb.setSelected(true);
+ mActionMode = null;
+ }
+ };
+ }
+ protected void onSaveInstanceState(Bundle outState) {
+ outState.putParcelableArrayList(TEMP_WALLPAPER_TILES, mTempWallpaperTiles);
+ }
+ protected void onRestoreInstanceState(Bundle savedInstanceState) {
+ ArrayList<Uri> uris = savedInstanceState.getParcelableArrayList(TEMP_WALLPAPER_TILES);
+ for (Uri uri : uris) {
+ addTemporaryWallpaperTile(uri);
+ }
+ }
private void populateWallpapersFromAdapter(ViewGroup parent, ImageAdapter ia,
ArrayList<Integer> imageIds, boolean imagesAreResources, boolean addLongPressHandler) {
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