| // Copyright 2019 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| package org.chromium.webview_shell; |
| |
| import android.app.Activity; |
| import android.os.Bundle; |
| import android.view.View; |
| import android.view.View.OnClickListener; |
| import android.view.WindowManager; |
| import android.webkit.WebView; |
| import android.widget.CheckBox; |
| import android.widget.CompoundButton; |
| import android.widget.SeekBar; |
| import android.widget.SeekBar.OnSeekBarChangeListener; |
| |
| /** |
| * Activity to exercise transform animations on WebView. |
| */ |
| public class WebViewAnimationTestActivity extends Activity { |
| private static final String HTML = "<html>" |
| + " <head>" |
| + " <style type =\"text/css\">" |
| + " .container {" |
| + " display: grid;" |
| + " grid-template-columns: 100px 100px 100px 100px 100px;" |
| + " grid-template-rows: 100px 100px 100px 100px 100px;" |
| + " }" |
| + " .alt1 {" |
| + " background-color: #aaffaa;" |
| + " }" |
| + " .alt2 {" |
| + " background-color: #ff4545;" |
| + " }" |
| + " </style>" |
| + " </head>" |
| + " <body>" |
| + " <div class=\"container\">" |
| + " <div class=\"alt1\">00</div>" |
| + " <div class=\"alt2\">01</div>" |
| + " <div class=\"alt1\">02</div>" |
| + " <div class=\"alt2\">03</div>" |
| + " <div class=\"alt1\">04</div>" |
| + " <div class=\"alt2\">05</div>" |
| + " <div class=\"alt1\">06</div>" |
| + " <div class=\"alt2\">07</div>" |
| + " <div class=\"alt1\">08</div>" |
| + " <div class=\"alt2\">09</div>" |
| + " <div class=\"alt1\">10</div>" |
| + " <div class=\"alt2\">11</div>" |
| + " <div class=\"alt1\">12</div>" |
| + " <div class=\"alt2\">13</div>" |
| + " <div class=\"alt1\">14</div>" |
| + " <div class=\"alt2\">15</div>" |
| + " <div class=\"alt1\">16</div>" |
| + " <div class=\"alt2\">17</div>" |
| + " <div class=\"alt1\">18</div>" |
| + " <div class=\"alt2\">19</div>" |
| + " <div class=\"alt1\">20</div>" |
| + " <div class=\"alt2\">21</div>" |
| + " <div class=\"alt1\">22</div>" |
| + " <div class=\"alt2\">23</div>" |
| + " <div class=\"alt1\">24</div>" |
| + " </div>" |
| + " </body>" |
| + "</html>"; |
| |
| private WebView mWebView; |
| private boolean mIsWindowHardwareAccelerated; |
| |
| /** Called when the activity is first created. */ |
| @Override |
| public void onCreate(Bundle savedInstanceState) { |
| super.onCreate(savedInstanceState); |
| setContentView(R.layout.activity_webview_animation_test); |
| mWebView = (WebView) findViewById(R.id.webview); |
| |
| mIsWindowHardwareAccelerated = |
| (getWindow().getAttributes().flags |
| | WindowManager.LayoutParams.FLAG_HARDWARE_ACCELERATED) |
| != 0; |
| mWebView.setBackgroundColor(0); |
| mWebView.loadDataWithBaseURL("http://foo.bar", HTML, "text/html", null, "http://foo.bar"); |
| OnClickListener onClickListner = (View v) -> { |
| switch (v.getId()) { |
| case R.id.translate: |
| runTranslate(); |
| break; |
| case R.id.scale: |
| runScale(); |
| break; |
| case R.id.rotate: |
| runRotate(); |
| break; |
| } |
| }; |
| findViewById(R.id.scale).setOnClickListener(onClickListner); |
| findViewById(R.id.translate).setOnClickListener(onClickListner); |
| findViewById(R.id.rotate).setOnClickListener(onClickListner); |
| ((SeekBar) findViewById(R.id.view_alpha)) |
| .setOnSeekBarChangeListener(new OnSeekBarChangeListener() { |
| @Override |
| public void onProgressChanged(SeekBar view, int progress, boolean fromUser) { |
| switch (view.getId()) { |
| case R.id.view_alpha: |
| mWebView.setAlpha(progress / 100f); |
| break; |
| } |
| } |
| |
| @Override |
| public void onStartTrackingTouch(SeekBar seekBar) {} |
| |
| @Override |
| public void onStopTrackingTouch(SeekBar seekBar) {} |
| }); |
| CheckBox checkBox = ((CheckBox) findViewById(R.id.use_layer)); |
| checkBox.setOnCheckedChangeListener( |
| (CompoundButton arg0, boolean checked) -> { setWebViewLayer(checked); }); |
| setWebViewLayer(checkBox.isChecked()); |
| } |
| |
| private void runTranslate() { |
| if (mWebView.getTranslationX() == 0f) { |
| mWebView.animate().translationX(100f).translationY(100f); |
| } else { |
| mWebView.animate().translationX(0f).translationY(0f); |
| } |
| } |
| |
| private void runScale() { |
| if (mWebView.getScaleX() == 1f) { |
| mWebView.animate().scaleX(.5f).scaleY(.5f); |
| } else { |
| mWebView.animate().scaleX(1f).scaleY(1f); |
| } |
| } |
| |
| private void runRotate() { |
| if (mWebView.getRotationX() == 0f) { |
| mWebView.animate().rotationX(45f).rotationY(45f).rotation(90f); |
| } else { |
| mWebView.animate().rotationX(0f).rotationY(0f).rotation(0f); |
| } |
| } |
| |
| private void setWebViewLayer(boolean isOnLayer) { |
| if (isOnLayer) { |
| mWebView.setLayerType(mIsWindowHardwareAccelerated ? View.LAYER_TYPE_HARDWARE |
| : View.LAYER_TYPE_SOFTWARE, |
| null); |
| } else { |
| mWebView.setLayerType(View.LAYER_TYPE_NONE, null); |
| } |
| } |
| } |
