add tab switch animations
Bug: 3446585
Bug: 3281140
Cross fade between the current and the new tab
Change-Id: I403e40b02e3f77806dc5ed3ebecd01afc508f68f
diff --git a/src/com/android/browser/BaseUi.java b/src/com/android/browser/BaseUi.java
index bca999d..93b0ec8 100644
--- a/src/com/android/browser/BaseUi.java
+++ b/src/com/android/browser/BaseUi.java
@@ -18,6 +18,8 @@
import com.android.browser.Tab.LockIcon;
+import android.animation.Animator;
+import android.animation.Animator.AnimatorListener;
import android.animation.ObjectAnimator;
import android.app.Activity;
import android.content.res.Configuration;
@@ -67,7 +69,7 @@
Activity mActivity;
UiController mUiController;
TabControl mTabControl;
- private Tab mActiveTab;
+ protected Tab mActiveTab;
private InputMethodManager mInputManager;
private Drawable mSecLockIcon;
@@ -220,12 +222,18 @@
}
@Override
- public void setActiveTab(Tab tab) {
+ public void setActiveTab(final Tab tab) {
+ setActiveTab(tab, true);
+ }
+
+ void setActiveTab(Tab tab, boolean needsAttaching) {
if ((tab != mActiveTab) && (mActiveTab != null)) {
removeTabFromContentView(mActiveTab);
}
mActiveTab = tab;
- attachTabToContentView(tab);
+ if (needsAttaching) {
+ attachTabToContentView(tab);
+ }
setShouldShowErrorConsole(tab, mUiController.shouldShowErrorConsole());
onTabDataChanged(tab);
onProgressChanged(tab);
@@ -259,7 +267,7 @@
attachTabToContentView(tab);
}
- private void attachTabToContentView(Tab tab) {
+ protected void attachTabToContentView(Tab tab) {
if ((tab == null) || (tab.getWebView() == null)) {
return;
}
diff --git a/src/com/android/browser/ScrollWebView.java b/src/com/android/browser/ScrollWebView.java
index 2bf07e1..d1dc25b 100644
--- a/src/com/android/browser/ScrollWebView.java
+++ b/src/com/android/browser/ScrollWebView.java
@@ -1,22 +1,24 @@
/*
* 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
+ * 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
+ * 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.
+ * 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.graphics.Bitmap;
+import android.graphics.Paint;
import android.util.AttributeSet;
import android.view.MotionEvent;
import android.view.View;
@@ -25,7 +27,7 @@
import java.util.Map;
/**
- * Manage WebView scroll events
+ * Manage WebView scroll events
*/
public class ScrollWebView extends WebView implements Runnable {
@@ -34,6 +36,9 @@
private boolean mBackgroundRemoved = false;
private boolean mUserInitiated = false;
private TitleBarBase mTitleBar;
+ private boolean mDrawCached = false;
+ private Bitmap mBitmap;
+ private Paint mCachePaint = new Paint();
/**
* @param context
@@ -51,8 +56,8 @@
* @param attrs
* @param defStyle
*/
- public ScrollWebView(Context context, AttributeSet attrs, int defStyle,
- boolean privateBrowsing) {
+ public ScrollWebView(
+ Context context, AttributeSet attrs, int defStyle, boolean privateBrowsing) {
super(context, attrs, defStyle, privateBrowsing);
}
@@ -97,6 +102,10 @@
}
}
+ public boolean hasTitleBar() {
+ return (mTitleBar != null);
+ }
+
@Override
public boolean onTouchEvent(MotionEvent evt) {
if (MotionEvent.ACTION_DOWN == evt.getActionMasked()) {
@@ -128,22 +137,46 @@
mScrollListener = l;
}
+ @Override
+ public void invalidate() {
+ if (!mDrawCached) {
+ super.invalidate();
+ }
+ }
+
// 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);
- }
- });
+ void setDrawCached(boolean cached) {
+ if (cached) {
+ buildDrawingCache();
+ mBitmap = getDrawingCache(false);
+ mDrawCached = (mBitmap != null);
+ } else {
+ mBitmap = null;
+ destroyDrawingCache();
+ mDrawCached = false;
}
}
+
+ @Override
+ protected void onDraw(android.graphics.Canvas c) {
+ if (mDrawCached) {
+ c.drawBitmap(mBitmap, getScrollX(), getScrollY(), mCachePaint);
+ } else {
+ super.onDraw(c);
+ if (!mBackgroundRemoved && getRootView().getBackground() != null) {
+ mBackgroundRemoved = true;
+ post(new Runnable() {
+ public void run() {
+ getRootView().setBackgroundDrawable(null);
+ }
+ });
+ }
+ }
+ }
+
}
diff --git a/src/com/android/browser/XLargeUi.java b/src/com/android/browser/XLargeUi.java
index f914183..8c7756b 100644
--- a/src/com/android/browser/XLargeUi.java
+++ b/src/com/android/browser/XLargeUi.java
@@ -18,6 +18,9 @@
import com.android.browser.ScrollWebView.ScrollListener;
+import android.animation.Animator;
+import android.animation.Animator.AnimatorListener;
+import android.animation.ObjectAnimator;
import android.app.ActionBar;
import android.app.Activity;
import android.content.pm.PackageManager;
@@ -204,11 +207,57 @@
}
@Override
- public void setActiveTab(Tab tab) {
- if (mTitleBar.isEditingUrl()) {
- mTitleBar.stopEditingUrl();
+ public void setActiveTab(final Tab tab) {
+ if ((tab != mActiveTab) && (mActiveTab != null)) {
+ // animate between the two
+ final ScrollWebView fromWV = (ScrollWebView) mActiveTab.getWebView();
+ fromWV.setDrawCached(true);
+ fromWV.setEmbeddedTitleBar(null);
+ final ScrollWebView toWV = (ScrollWebView) tab.getWebView();
+ if (!mUseQuickControls) {
+ if (mTitleBar.getParent() == null) {
+ toWV.setEmbeddedTitleBar(mTitleBar);
+ }
+ }
+ toWV.setDrawCached(true);
+ attachTabToContentView(tab);
+ super.setActiveTab(tab, false);
+ ObjectAnimator transition = ObjectAnimator.ofFloat(
+ toWV, "alpha", 0f, 1f);
+ transition.setDuration(mActivity.getResources()
+ .getInteger(R.integer.tabFadeDuration));
+ transition.addListener(new AnimatorListener() {
+ @Override
+ public void onAnimationCancel(Animator animation) {
+ fromWV.setDrawCached(false);
+ toWV.setDrawCached(false);
+ setActiveTab(tab, false);
+ }
+
+ @Override
+ public void onAnimationEnd(Animator animation) {
+ fromWV.setDrawCached(false);
+ toWV.setDrawCached(false);
+ setActiveTab(tab, false);
+ }
+
+ @Override
+ public void onAnimationRepeat(Animator animation) {
+ }
+
+ @Override
+ public void onAnimationStart(Animator animation) {
+ }
+ });
+ transition.start();
+ } else {
+ super.setActiveTab(tab, true);
+ setActiveTab(tab, true);
}
- super.setActiveTab(tab);
+ }
+
+ @Override
+ void setActiveTab(Tab tab, boolean needsAttaching) {
ScrollWebView view = (ScrollWebView) tab.getWebView();
// TabControl.setCurrentTab has been called before this,
// so the tab is guaranteed to have a webview
@@ -222,7 +271,10 @@
view.setScrollListener(null);
mTabBar.showTitleBarIndicator(false);
} else {
- view.setEmbeddedTitleBar(mTitleBar);
+ // check if title bar is already attached by animation
+ if (mTitleBar.getParent() == null) {
+ view.setEmbeddedTitleBar(mTitleBar);
+ }
view.setScrollListener(this);
}
mTabBar.onSetActiveTab(tab);