use BrowserWebView for all UIs
Rename ScrollWebView->BrowserWebView
Change-Id: Icce042be4ad054b1fc3d5c0f9500f8ea112479a4
diff --git a/src/com/android/browser/BrowserWebView.java b/src/com/android/browser/BrowserWebView.java
new file mode 100644
index 0000000..6111aa6
--- /dev/null
+++ b/src/com/android/browser/BrowserWebView.java
@@ -0,0 +1,154 @@
+/*
+ * Copyright (C) 2010 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.browser;
+
+import android.content.Context;
+import android.util.AttributeSet;
+import android.view.MotionEvent;
+import android.view.View;
+import android.webkit.WebView;
+
+import java.util.Map;
+
+/**
+ * Manage WebView scroll events
+ */
+public class BrowserWebView extends WebView implements Runnable {
+
+ private ScrollListener mScrollListener;
+ private boolean mIsCancelled;
+ private boolean mBackgroundRemoved = false;
+ private boolean mUserInitiated = false;
+ private TitleBarBase mTitleBar;
+
+ /**
+ * @param context
+ * @param attrs
+ * @param defStyle
+ * @param javascriptInterfaces
+ */
+ public BrowserWebView(Context context, AttributeSet attrs, int defStyle,
+ Map<String, Object> javascriptInterfaces, boolean privateBrowsing) {
+ super(context, attrs, defStyle, javascriptInterfaces, privateBrowsing);
+ }
+
+ /**
+ * @param context
+ * @param attrs
+ * @param defStyle
+ */
+ public BrowserWebView(
+ Context context, AttributeSet attrs, int defStyle, boolean privateBrowsing) {
+ super(context, attrs, defStyle, privateBrowsing);
+ }
+
+ /**
+ * @param context
+ * @param attrs
+ */
+ public BrowserWebView(Context context, AttributeSet attrs) {
+ super(context, attrs);
+ }
+
+ /**
+ * @param context
+ */
+ public BrowserWebView(Context context) {
+ super(context);
+ }
+
+ @Override
+ protected int getTitleHeight() {
+ return (mTitleBar != null) ? mTitleBar.getEmbeddedHeight() : 0;
+ }
+
+ // scroll runnable implementation
+ public void run() {
+ if (!mIsCancelled && (mScrollListener != null)) {
+ mScrollListener.onScroll(getVisibleTitleHeight(), mUserInitiated);
+ }
+ }
+
+ void hideEmbeddedTitleBar() {
+ scrollBy(0, getVisibleTitleHeight());
+ }
+
+ @Override
+ public void setEmbeddedTitleBar(final View title) {
+ super.setEmbeddedTitleBar(title);
+ mTitleBar = (TitleBarBase) title;
+ if (title != null && mScrollListener != null) {
+ // allow the scroll listener to initialize its state
+ post(this);
+ }
+ }
+
+ public boolean hasTitleBar() {
+ return (mTitleBar != null);
+ }
+
+ @Override
+ public boolean onTouchEvent(MotionEvent evt) {
+ if (MotionEvent.ACTION_DOWN == evt.getActionMasked()) {
+ mUserInitiated = true;
+ } else if (MotionEvent.ACTION_UP == evt.getActionMasked()
+ || (MotionEvent.ACTION_CANCEL == evt.getActionMasked())) {
+ mUserInitiated = false;
+ }
+ return super.onTouchEvent(evt);
+ }
+
+ @Override
+ public void stopScroll() {
+ mIsCancelled = true;
+ super.stopScroll();
+ }
+
+ @Override
+ protected void onScrollChanged(int l, final int t, int ol, int ot) {
+ super.onScrollChanged(l, t, ol, ot);
+ if (!mIsCancelled) {
+ post(this);
+ } else {
+ mIsCancelled = false;
+ }
+ }
+
+ void setScrollListener(ScrollListener l) {
+ mScrollListener = l;
+ }
+
+ // callback for scroll events
+
+ interface ScrollListener {
+ public void onScroll(int visibleTitleHeight, boolean userInitiated);
+ }
+
+ @Override
+ protected void onDraw(android.graphics.Canvas c) {
+ super.onDraw(c);
+ if (!mBackgroundRemoved && getRootView().getBackground() != null) {
+ mBackgroundRemoved = true;
+ post(new Runnable() {
+ public void run() {
+ getRootView().setBackgroundDrawable(null);
+ }
+ });
+ }
+ }
+
+}