| /* |
| * Copyright (C) 2015 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.setupwizardlib; |
| |
| import android.content.Context; |
| import android.content.res.TypedArray; |
| import android.graphics.drawable.Drawable; |
| import android.os.Build; |
| import android.support.v7.widget.LinearLayoutManager; |
| import android.support.v7.widget.RecyclerView; |
| import android.util.AttributeSet; |
| import android.util.Log; |
| import android.view.LayoutInflater; |
| import android.view.View; |
| import android.view.ViewGroup; |
| import android.widget.TextView; |
| |
| import com.android.setupwizardlib.items.ItemGroup; |
| import com.android.setupwizardlib.items.ItemInflater; |
| import com.android.setupwizardlib.items.RecyclerItemAdapter; |
| import com.android.setupwizardlib.util.DrawableLayoutDirectionHelper; |
| import com.android.setupwizardlib.util.RecyclerViewRequireScrollHelper; |
| import com.android.setupwizardlib.view.HeaderRecyclerView; |
| import com.android.setupwizardlib.view.NavigationBar; |
| |
| /** |
| * A setup wizard layout for use with {@link android.support.v7.widget.RecyclerView}. |
| * {@code android:entries} can also be used to specify an |
| * {@link com.android.setupwizardlib.items.ItemHierarchy} to be used with this layout in XML. |
| * |
| * @see SetupWizardItemsLayout |
| */ |
| public class SetupWizardRecyclerLayout extends SetupWizardLayout { |
| |
| private static final String TAG = "RecyclerLayout"; |
| |
| private RecyclerView.Adapter mAdapter; |
| private RecyclerView mRecyclerView; |
| private View mHeader; |
| |
| private DividerItemDecoration mDividerDecoration; |
| private Drawable mDefaultDivider; |
| private Drawable mDivider; |
| private int mDividerInset; |
| |
| public SetupWizardRecyclerLayout(Context context) { |
| this(context, 0, 0); |
| } |
| |
| public SetupWizardRecyclerLayout(Context context, int template, int containerId) { |
| super(context, template, containerId); |
| init(context, null, 0); |
| } |
| |
| public SetupWizardRecyclerLayout(Context context, AttributeSet attrs) { |
| super(context, attrs); |
| init(context, attrs, 0); |
| } |
| |
| public SetupWizardRecyclerLayout(Context context, AttributeSet attrs, int defStyleAttr) { |
| super(context, attrs, defStyleAttr); |
| init(context, attrs, defStyleAttr); |
| } |
| |
| private void init(Context context, AttributeSet attrs, int defStyleAttr) { |
| final TypedArray a = context.obtainStyledAttributes(attrs, |
| R.styleable.SuwSetupWizardRecyclerItemsLayout, defStyleAttr, 0); |
| final int xml = a.getResourceId( |
| R.styleable.SuwSetupWizardRecyclerItemsLayout_android_entries, 0); |
| if (xml != 0) { |
| final ItemGroup inflated = (ItemGroup) new ItemInflater(context).inflate(xml); |
| mAdapter = new RecyclerItemAdapter(inflated); |
| mAdapter.setHasStableIds(a.getBoolean( |
| R.styleable.SuwSetupWizardRecyclerItemsLayout_suwHasStableIds, false)); |
| setAdapter(mAdapter); |
| } |
| int dividerInset = a.getDimensionPixelSize( |
| R.styleable.SuwSetupWizardRecyclerItemsLayout_suwDividerInset, 0); |
| if (dividerInset == 0) { |
| dividerInset = getResources() |
| .getDimensionPixelSize(R.dimen.suw_items_icon_divider_inset); |
| } |
| setDividerInset(dividerInset); |
| a.recycle(); |
| } |
| |
| @Override |
| protected void onLayout(boolean changed, int left, int top, int right, int bottom) { |
| super.onLayout(changed, left, top, right, bottom); |
| if (mDivider == null) { |
| // Update divider in case layout direction has just been resolved |
| updateDivider(); |
| } |
| } |
| |
| public RecyclerView.Adapter getAdapter() { |
| return mAdapter; |
| } |
| |
| public void setAdapter(RecyclerView.Adapter adapter) { |
| mAdapter = adapter; |
| getRecyclerView().setAdapter(adapter); |
| } |
| |
| public RecyclerView getRecyclerView() { |
| return mRecyclerView; |
| } |
| |
| @Override |
| protected ViewGroup findContainer(int containerId) { |
| if (containerId == 0) { |
| containerId = R.id.suw_recycler_view; |
| } |
| return super.findContainer(containerId); |
| } |
| |
| @Override |
| protected void onTemplateInflated() { |
| initRecyclerView((RecyclerView) findViewById(R.id.suw_recycler_view)); |
| } |
| |
| protected void initRecyclerView(RecyclerView recyclerView) { |
| mRecyclerView = recyclerView; |
| mRecyclerView.setLayoutManager(new LinearLayoutManager(getContext())); |
| if (mRecyclerView instanceof HeaderRecyclerView) { |
| mHeader = ((HeaderRecyclerView) mRecyclerView).getHeader(); |
| } |
| mDividerDecoration = DividerItemDecoration.getDefault(getContext()); |
| mRecyclerView.addItemDecoration(mDividerDecoration); |
| } |
| |
| @Override |
| protected View onInflateTemplate(LayoutInflater inflater, int template) { |
| if (template == 0) { |
| template = R.layout.suw_recycler_template; |
| } |
| return super.onInflateTemplate(inflater, template); |
| } |
| |
| @Override |
| protected View findManagedViewById(int id) { |
| if (mHeader != null) { |
| final View view = mHeader.findViewById(id); |
| if (view != null) { |
| return view; |
| } |
| } |
| return super.findViewById(id); |
| } |
| |
| @Override |
| public void requireScrollToBottom() { |
| final NavigationBar navigationBar = getNavigationBar(); |
| final RecyclerView recyclerView = getRecyclerView(); |
| if (navigationBar != null && recyclerView != null) { |
| RecyclerViewRequireScrollHelper.requireScroll(navigationBar, recyclerView); |
| } else { |
| Log.e(TAG, "Both suw_layout_navigation_bar and suw_recycler_view must exist in" |
| + " the template to require scrolling."); |
| } |
| } |
| |
| /** |
| * Sets the start inset of the divider. This will use the default divider drawable set in the |
| * theme and inset it {@code inset} pixels to the right (or left in RTL layouts). |
| * |
| * @param inset The number of pixels to inset on the "start" side of the list divider. Typically |
| * this will be either {@code @dimen/suw_items_icon_divider_inset} or |
| * {@code @dimen/suw_items_text_divider_inset}. |
| */ |
| public void setDividerInset(int inset) { |
| mDividerInset = inset; |
| updateDivider(); |
| } |
| |
| public int getDividerInset() { |
| return mDividerInset; |
| } |
| |
| private void updateDivider() { |
| boolean shouldUpdate = true; |
| if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) { |
| shouldUpdate = isLayoutDirectionResolved(); |
| } |
| if (shouldUpdate) { |
| if (mDefaultDivider == null) { |
| mDefaultDivider = mDividerDecoration.getDivider(); |
| } |
| mDivider = DrawableLayoutDirectionHelper.createRelativeInsetDrawable(mDefaultDivider, |
| mDividerInset /* start */, 0 /* top */, 0 /* end */, 0 /* bottom */, this); |
| mDividerDecoration.setDivider(mDivider); |
| } |
| } |
| |
| public Drawable getDivider() { |
| return mDivider; |
| } |
| } |