diff options
Diffstat (limited to 'library/main/src/com/android/setupwizardlib/util/AbstractRequireScrollHelper.java')
-rw-r--r-- | library/main/src/com/android/setupwizardlib/util/AbstractRequireScrollHelper.java | 78 |
1 files changed, 0 insertions, 78 deletions
diff --git a/library/main/src/com/android/setupwizardlib/util/AbstractRequireScrollHelper.java b/library/main/src/com/android/setupwizardlib/util/AbstractRequireScrollHelper.java deleted file mode 100644 index 2697371..0000000 --- a/library/main/src/com/android/setupwizardlib/util/AbstractRequireScrollHelper.java +++ /dev/null @@ -1,78 +0,0 @@ -/* - * Copyright (C) 2016 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.util; - -import android.view.View; - -import com.android.setupwizardlib.view.NavigationBar; - -/** - * Add this helper to require the scroll view to be scrolled to the bottom, making sure that the - * user sees all content on the screen. This will change the navigation bar to show the more button - * instead of the next button when there is more content to be seen. When the more button is - * clicked, the scroll view will be scrolled one page down. - */ -public abstract class AbstractRequireScrollHelper implements View.OnClickListener { - - private final NavigationBar mNavigationBar; - - private boolean mScrollNeeded; - // Whether the user have seen the more button yet. - private boolean mScrollNotified = false; - - protected AbstractRequireScrollHelper(NavigationBar navigationBar) { - mNavigationBar = navigationBar; - } - - protected void requireScroll() { - mNavigationBar.getMoreButton().setOnClickListener(this); - } - - protected void notifyScrolledToBottom() { - if (mScrollNeeded) { - mNavigationBar.post(new Runnable() { - @Override - public void run() { - mNavigationBar.getNextButton().setVisibility(View.VISIBLE); - mNavigationBar.getMoreButton().setVisibility(View.GONE); - } - }); - mScrollNeeded = false; - mScrollNotified = true; - } - } - - protected void notifyRequiresScroll() { - if (!mScrollNeeded && !mScrollNotified) { - mNavigationBar.post(new Runnable() { - @Override - public void run() { - mNavigationBar.getNextButton().setVisibility(View.GONE); - mNavigationBar.getMoreButton().setVisibility(View.VISIBLE); - } - }); - mScrollNeeded = true; - } - } - - @Override - public void onClick(View view) { - pageScrollDown(); - } - - protected abstract void pageScrollDown(); -} |