weblayer/shell/android/demo_apk/src/org/chromium/weblayer/demo/WebLayerAnimationDemoActivity.java - chromium/src - Git at Google

 // 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.weblayer.demo;

 import android.content.Context;
 import android.net.Uri;
 import android.os.Bundle;
 import android.support.v4.app.FragmentActivity;
 import android.support.v4.app.FragmentTransaction;
 import android.text.InputType;
 import android.view.KeyEvent;
 import android.view.MotionEvent;
 import android.view.View;
 import android.view.inputmethod.EditorInfo;
 import android.webkit.WebSettings;
 import android.webkit.WebView;
 import android.webkit.WebViewClient;
 import android.widget.EditText;
 import android.widget.FrameLayout;
 import android.widget.TextView;
 import android.widget.TextView.OnEditorActionListener;

 import org.chromium.weblayer.BrowserController;
 import org.chromium.weblayer.BrowserFragmentController;
 import org.chromium.weblayer.BrowserObserver;
 import org.chromium.weblayer.Profile;
 import org.chromium.weblayer.WebLayer;

 /**
  * Activity for managing the Demo Shell.
  */
 public class WebLayerAnimationDemoActivity extends FragmentActivity {
     private static final String TAG = "AnimationDemo";

     private static final boolean USE_WEBVIEW = false;

     private Profile mProfile;
     private final BrowserFragmentController mBrowserFragmentControllers[] =
             new BrowserFragmentController[4];
     private final ContainerFrameLayout mContainerViews[] = new ContainerFrameLayout[4];
     private final MyWebView mWebViews[] = new MyWebView[4];
     private FrameLayout mMainView;

     public static class ContainerFrameLayout extends FrameLayout {
         private final BrowserFragmentController mFragmentController;
         private int mIndex;
         private boolean mInterceptTouchEvent;

         public ContainerFrameLayout(Context context, BrowserFragmentController fragmentController,
                 int index) {
             super(context);
             mFragmentController = fragmentController;
             mIndex = index;
         }

         public BrowserFragmentController getFragmentController() {
             return mFragmentController;
         }

         public void setInterceptTouchEvent(boolean intercept) {
             mInterceptTouchEvent = intercept;
         }

         public int getIndex() {
             return mIndex;
         }

         @Override
         public boolean onInterceptTouchEvent(MotionEvent ev) {
             return mInterceptTouchEvent;
         }

         @Override
         public boolean onTouchEvent(MotionEvent event) {
             if (!mInterceptTouchEvent) return super.onTouchEvent(event);
             if (event.getAction() == KeyEvent.ACTION_UP) {
                 performClick();
             }
             return true;
         }
     }

     private static class MyWebView extends WebView {
         private int mIndex;
         private boolean mInterceptTouchEvent;

         public MyWebView(Context context, int index) {
             super(context);
             mIndex = index;
         }

         public void setInterceptTouchEvent(boolean intercept) {
             mInterceptTouchEvent = intercept;
         }

         public int getIndex() {
             return mIndex;
         }

         @Override
         public boolean onInterceptTouchEvent(MotionEvent ev) {
             return mInterceptTouchEvent;
         }

         @Override
         public boolean onTouchEvent(MotionEvent event) {
             if (!mInterceptTouchEvent) return super.onTouchEvent(event);
             if (event.getAction() == KeyEvent.ACTION_UP) {
                 performClick();
             }
             return true;
         }
     }

     private void createNewFragment(int index) {
         mBrowserFragmentControllers[index] = mProfile.createBrowserFragmentController(this);
         final BrowserController controller = mBrowserFragmentControllers[index]
                 .getBrowserController();

         ContainerFrameLayout container =
                 new ContainerFrameLayout(this, mBrowserFragmentControllers[index],
                         index);
         mContainerViews[index] = container;
         int viewId = View.generateViewId();
         container.setId(viewId);
         mMainView.addView(container);

         FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
         transaction.add(viewId, mBrowserFragmentControllers[index].getFragment());
         transaction.commit();

         EditText urlView = new EditText(this);
         urlView.setSelectAllOnFocus(true);
         urlView.setInputType(InputType.TYPE_TEXT_VARIATION_URI);
         urlView.setImeOptions(EditorInfo.IME_ACTION_GO);
         // The background of the top-view must be opaque, otherwise it bleeds through to the
         // cc::Layer that mirrors the contents of the top-view.
         urlView.setBackgroundColor(0xFFa9a9a9);
         urlView.setOnEditorActionListener(new OnEditorActionListener() {
             @Override
             public boolean onEditorAction(TextView v, int actionId, KeyEvent event) {
                 if ((actionId != EditorInfo.IME_ACTION_GO)
                         && (event == null || event.getKeyCode() != KeyEvent.KEYCODE_ENTER
                                 || event.getAction() != KeyEvent.ACTION_DOWN)) {
                     return false;
                 }
                 String url = urlView.getText().toString();
                 controller.getNavigationController().navigate(Uri.parse(sanitizeUrl(url)));
                 return true;
             }
         });
         mBrowserFragmentControllers[index].setTopView(urlView);

         controller.addObserver(new BrowserObserver() {
             @Override
             public void visibleUrlChanged(Uri uri) {
                 urlView.setText(uri.toString());
             }
         });
     }

     @Override
     protected void onCreate(final Bundle savedInstanceState) {
         if (USE_WEBVIEW) {
             super.onCreate(savedInstanceState);

             FrameLayout mainView = new FrameLayout(this);
             mMainView = mainView;
             setContentView(mainView);

             for (int i = 0; i < 3; ++i) {
                 mWebViews[i] = new MyWebView(this, i);
                 mWebViews[i].setWebViewClient(new WebViewClient() {
                     @Override
                     public boolean shouldOverrideUrlLoading(WebView webView, String url) {
                         return false;
                     }
                 });
                 mMainView.addView(mWebViews[i]);
                 WebSettings settings = mWebViews[i].getSettings();
                 settings.setJavaScriptEnabled(true);

                 // Default layout behavior for chrome on android.
                 settings.setUseWideViewPort(true);
                 settings.setLoadWithOverviewMode(true);
                 settings.setLayoutAlgorithm(WebSettings.LayoutAlgorithm.TEXT_AUTOSIZING);
             }
         } else {
             // Only call init for main process.
             WebLayer webLayer = null;
             try {
                 webLayer = WebLayer.create(getApplication()).get();
             } catch (Exception e) {
                 throw new RuntimeException("failed loading WebLayer", e);
             }

             super.onCreate(savedInstanceState);

             FrameLayout mainView = new FrameLayout(this);
             mMainView = mainView;
             setContentView(mainView);

             mProfile = webLayer.createProfile(null);

             createNewFragment(0);
             createNewFragment(1);
             createNewFragment(2);

             mBrowserFragmentControllers[0].getBrowserController().getNavigationController()
                     .navigate(Uri.parse(sanitizeUrl("https://www.google.com")));
             mBrowserFragmentControllers[1].getBrowserController().getNavigationController()
                     .navigate(Uri.parse(sanitizeUrl("https://en.wikipedia.org")));
             mBrowserFragmentControllers[2].getBrowserController().getNavigationController()
                     .navigate(Uri.parse(sanitizeUrl("https://www.chromium.org")));
         }
     }

     @Override
     protected void onDestroy() {
         for (int i = 0; i < mBrowserFragmentControllers.length; ++i) {
             BrowserFragmentController fragment = mBrowserFragmentControllers[i];
             if (fragment != null) fragment.destroy();
             mBrowserFragmentControllers[i] = null;
         }
         if (mProfile != null) mProfile.destroy();
         super.onDestroy();
     }

     @Override
     protected void onStart() {
         super.onStart();
     }

     @Override
     protected void onResume() {
         super.onResume();

         if (USE_WEBVIEW) {
             mWebViews[0].post(() -> {
                 mWebViews[0].loadUrl("https://www.google.com");
                 mWebViews[1].loadUrl("https://en.wikipedia.org");
                 mWebViews[2].loadUrl("https://www.chromium.org");
                 for (int i = 0; i < 3; ++i) {
                     mWebViews[i].setOnClickListener(new OnClickImpl());
                     animateDown(mWebViews[i]);
                 }
             });
         } else {
             mContainerViews[0].setOnClickListener(new OnClickImpl());
             mContainerViews[1].setOnClickListener(new OnClickImpl());
             mContainerViews[2].setOnClickListener(new OnClickImpl());
             mContainerViews[0].post(() -> {
                 mBrowserFragmentControllers[0].setSupportsEmbedding(true).addCallback(
                         (Boolean result) -> animateDown(mContainerViews[0]));
                 mBrowserFragmentControllers[1].setSupportsEmbedding(true).addCallback(
                         (Boolean result) -> animateDown(mContainerViews[1]));
                 mBrowserFragmentControllers[2].setSupportsEmbedding(true).addCallback(
                         (Boolean result) -> animateDown(mContainerViews[2]));
             });
         }
     }

     private ContainerFrameLayout mFullscreenContainer;
     private MyWebView mFullscreenWebView;
     public class OnClickImpl implements View.OnClickListener {
         @Override
         public void onClick(View v) {
             if (USE_WEBVIEW) {
                 MyWebView webview = (MyWebView) v;
                 if (mFullscreenWebView == webview) return;

                 mMainView.removeView(webview);
                 mMainView.addView(webview, 0);

                 if (mFullscreenWebView != null) {
                     animateDown(mFullscreenWebView);
                 }
                 animateUp(webview);
                 mFullscreenWebView = webview;
             } else {
                 ContainerFrameLayout container = (ContainerFrameLayout) v;
                 if (mFullscreenContainer == container) return;

                 // Move to back by bringing others to the front.
                 // This avoids detaching and reattaching any views.
                 for (int i = 0; i < 3; ++i) {
                     if (mContainerViews[i] == container) continue;
                     mMainView.bringChildToFront(mContainerViews[i]);
                 }

                 if (mFullscreenContainer != null) {
                     animateDown(mFullscreenContainer);
                 }
                 animateUp(container);
                 mFullscreenContainer = container;
             }
         }
     }

     private static void animateDown(ContainerFrameLayout container) {
         // Start animation after fullying switched from SurfaceView to TextureView.
         int index = container.getIndex();
         container.getFragmentController().setSupportsEmbedding(true)
                 .addCallback((Boolean result) -> {
                     container.animate()
                             .scaleX(1.0f / 3)
                             .scaleY(1.0f / 3)
                             .translationX(-container.getWidth() / 3.0f
                                     + (container.getWidth() / 3.0f * index))
                             .translationY(container.getHeight() / 3.0f)
                             .alpha(0.8f)
                             .setDuration(500);
                     container.setInterceptTouchEvent(true);
                 });
     }

     private static void animateUp(ContainerFrameLayout container) {
         container.animate()
                 .scaleX(1.0f)
                 .scaleY(1.0f)
                 .translationX(0)
                 .translationY(0)
                 .alpha(1.0f)
                 .setDuration(500)
                 .withEndAction(() -> {
                     container.getFragmentController().setSupportsEmbedding(false);
                     container.setInterceptTouchEvent(false);
                 });
     }

     private static void animateDown(MyWebView webview) {
         int index = webview.getIndex();
         webview.animate()
                 .scaleX(1.0f / 3)
                 .scaleY(1.0f / 3)
                 .translationX(-webview.getWidth() / 3.0f + (webview.getWidth() / 3.0f * index))
                 .translationY(webview.getHeight() / 3.0f)
                 .alpha(0.8f)
                 .setDuration(500);
         webview.setInterceptTouchEvent(true);
     }

     private static void animateUp(MyWebView webview) {
         webview.animate()
                 .scaleX(1.0f)
                 .scaleY(1.0f)
                 .translationX(0)
                 .translationY(0)
                 .alpha(1.0f)
                 .setDuration(500);
         webview.setInterceptTouchEvent(false);
     }

     /**
      * Given an URL, this performs minimal sanitizing to ensure it will be valid.
      * @param url The url to be sanitized.
      * @return The sanitized URL.
      */
     public static String sanitizeUrl(String url) {
         if (url == null) return null;
         if (url.startsWith("www.") || url.indexOf(":") == -1) url = "http://" + url;
         return url;
     }
 }
	// 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.weblayer.demo;

	import android.content.Context;
	import android.net.Uri;
	import android.os.Bundle;
	import android.support.v4.app.FragmentActivity;
	import android.support.v4.app.FragmentTransaction;
	import android.text.InputType;
	import android.view.KeyEvent;
	import android.view.MotionEvent;
	import android.view.View;
	import android.view.inputmethod.EditorInfo;
	import android.webkit.WebSettings;
	import android.webkit.WebView;
	import android.webkit.WebViewClient;
	import android.widget.EditText;
	import android.widget.FrameLayout;
	import android.widget.TextView;
	import android.widget.TextView.OnEditorActionListener;

	import org.chromium.weblayer.BrowserController;
	import org.chromium.weblayer.BrowserFragmentController;
	import org.chromium.weblayer.BrowserObserver;
	import org.chromium.weblayer.Profile;
	import org.chromium.weblayer.WebLayer;

	/**
	* Activity for managing the Demo Shell.
	*/
	public class WebLayerAnimationDemoActivity extends FragmentActivity {
	private static final String TAG = "AnimationDemo";

	private static final boolean USE_WEBVIEW = false;

	private Profile mProfile;
	private final BrowserFragmentController mBrowserFragmentControllers[] =
	new BrowserFragmentController[4];
	private final ContainerFrameLayout mContainerViews[] = new ContainerFrameLayout[4];
	private final MyWebView mWebViews[] = new MyWebView[4];
	private FrameLayout mMainView;

	public static class ContainerFrameLayout extends FrameLayout {
	private final BrowserFragmentController mFragmentController;
	private int mIndex;
	private boolean mInterceptTouchEvent;

	public ContainerFrameLayout(Context context, BrowserFragmentController fragmentController,
	int index) {
	super(context);
	mFragmentController = fragmentController;
	mIndex = index;
	}

	public BrowserFragmentController getFragmentController() {
	return mFragmentController;
	}

	public void setInterceptTouchEvent(boolean intercept) {
	mInterceptTouchEvent = intercept;
	}

	public int getIndex() {
	return mIndex;
	}

	@Override
	public boolean onInterceptTouchEvent(MotionEvent ev) {
	return mInterceptTouchEvent;
	}

	@Override
	public boolean onTouchEvent(MotionEvent event) {
	if (!mInterceptTouchEvent) return super.onTouchEvent(event);
	if (event.getAction() == KeyEvent.ACTION_UP) {
	performClick();
	}
	return true;
	}
	}

	private static class MyWebView extends WebView {
	private int mIndex;
	private boolean mInterceptTouchEvent;

	public MyWebView(Context context, int index) {
	super(context);
	mIndex = index;
	}

	public void setInterceptTouchEvent(boolean intercept) {
	mInterceptTouchEvent = intercept;
	}

	public int getIndex() {
	return mIndex;
	}

	@Override
	public boolean onInterceptTouchEvent(MotionEvent ev) {
	return mInterceptTouchEvent;
	}

	@Override
	public boolean onTouchEvent(MotionEvent event) {
	if (!mInterceptTouchEvent) return super.onTouchEvent(event);
	if (event.getAction() == KeyEvent.ACTION_UP) {
	performClick();
	}
	return true;
	}
	}

	private void createNewFragment(int index) {
	mBrowserFragmentControllers[index] = mProfile.createBrowserFragmentController(this);
	final BrowserController controller = mBrowserFragmentControllers[index]
	.getBrowserController();

	ContainerFrameLayout container =
	new ContainerFrameLayout(this, mBrowserFragmentControllers[index],
	index);
	mContainerViews[index] = container;
	int viewId = View.generateViewId();
	container.setId(viewId);
	mMainView.addView(container);

	FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
	transaction.add(viewId, mBrowserFragmentControllers[index].getFragment());
	transaction.commit();

	EditText urlView = new EditText(this);
	urlView.setSelectAllOnFocus(true);
	urlView.setInputType(InputType.TYPE_TEXT_VARIATION_URI);
	urlView.setImeOptions(EditorInfo.IME_ACTION_GO);
	// The background of the top-view must be opaque, otherwise it bleeds through to the
	// cc::Layer that mirrors the contents of the top-view.
	urlView.setBackgroundColor(0xFFa9a9a9);
	urlView.setOnEditorActionListener(new OnEditorActionListener() {
	@Override
	public boolean onEditorAction(TextView v, int actionId, KeyEvent event) {
	if ((actionId != EditorInfo.IME_ACTION_GO)
	&& (event == null \|\| event.getKeyCode() != KeyEvent.KEYCODE_ENTER
	\|\| event.getAction() != KeyEvent.ACTION_DOWN)) {
	return false;
	}
	String url = urlView.getText().toString();
	controller.getNavigationController().navigate(Uri.parse(sanitizeUrl(url)));
	return true;
	}
	});
	mBrowserFragmentControllers[index].setTopView(urlView);

	controller.addObserver(new BrowserObserver() {
	@Override
	public void visibleUrlChanged(Uri uri) {
	urlView.setText(uri.toString());
	}
	});
	}

	@Override
	protected void onCreate(final Bundle savedInstanceState) {
	if (USE_WEBVIEW) {
	super.onCreate(savedInstanceState);

	FrameLayout mainView = new FrameLayout(this);
	mMainView = mainView;
	setContentView(mainView);

	for (int i = 0; i < 3; ++i) {
	mWebViews[i] = new MyWebView(this, i);
	mWebViews[i].setWebViewClient(new WebViewClient() {
	@Override
	public boolean shouldOverrideUrlLoading(WebView webView, String url) {
	return false;
	}
	});
	mMainView.addView(mWebViews[i]);
	WebSettings settings = mWebViews[i].getSettings();
	settings.setJavaScriptEnabled(true);

	// Default layout behavior for chrome on android.
	settings.setUseWideViewPort(true);
	settings.setLoadWithOverviewMode(true);
	settings.setLayoutAlgorithm(WebSettings.LayoutAlgorithm.TEXT_AUTOSIZING);
	}
	} else {
	// Only call init for main process.
	WebLayer webLayer = null;
	try {
	webLayer = WebLayer.create(getApplication()).get();
	} catch (Exception e) {
	throw new RuntimeException("failed loading WebLayer", e);
	}

	super.onCreate(savedInstanceState);

	FrameLayout mainView = new FrameLayout(this);
	mMainView = mainView;
	setContentView(mainView);

	mProfile = webLayer.createProfile(null);

	createNewFragment(0);
	createNewFragment(1);
	createNewFragment(2);

	mBrowserFragmentControllers[0].getBrowserController().getNavigationController()
	.navigate(Uri.parse(sanitizeUrl("https://www.google.com")));
	mBrowserFragmentControllers[1].getBrowserController().getNavigationController()
	.navigate(Uri.parse(sanitizeUrl("https://en.wikipedia.org")));
	mBrowserFragmentControllers[2].getBrowserController().getNavigationController()
	.navigate(Uri.parse(sanitizeUrl("https://www.chromium.org")));
	}
	}

	@Override
	protected void onDestroy() {
	for (int i = 0; i < mBrowserFragmentControllers.length; ++i) {
	BrowserFragmentController fragment = mBrowserFragmentControllers[i];
	if (fragment != null) fragment.destroy();
	mBrowserFragmentControllers[i] = null;
	}
	if (mProfile != null) mProfile.destroy();
	super.onDestroy();
	}

	@Override
	protected void onStart() {
	super.onStart();
	}

	@Override
	protected void onResume() {
	super.onResume();

	if (USE_WEBVIEW) {
	mWebViews[0].post(() -> {
	mWebViews[0].loadUrl("https://www.google.com");
	mWebViews[1].loadUrl("https://en.wikipedia.org");
	mWebViews[2].loadUrl("https://www.chromium.org");
	for (int i = 0; i < 3; ++i) {
	mWebViews[i].setOnClickListener(new OnClickImpl());
	animateDown(mWebViews[i]);
	}
	});
	} else {
	mContainerViews[0].setOnClickListener(new OnClickImpl());
	mContainerViews[1].setOnClickListener(new OnClickImpl());
	mContainerViews[2].setOnClickListener(new OnClickImpl());
	mContainerViews[0].post(() -> {
	mBrowserFragmentControllers[0].setSupportsEmbedding(true).addCallback(
	(Boolean result) -> animateDown(mContainerViews[0]));
	mBrowserFragmentControllers[1].setSupportsEmbedding(true).addCallback(
	(Boolean result) -> animateDown(mContainerViews[1]));
	mBrowserFragmentControllers[2].setSupportsEmbedding(true).addCallback(
	(Boolean result) -> animateDown(mContainerViews[2]));
	});
	}
	}

	private ContainerFrameLayout mFullscreenContainer;
	private MyWebView mFullscreenWebView;
	public class OnClickImpl implements View.OnClickListener {
	@Override
	public void onClick(View v) {
	if (USE_WEBVIEW) {
	MyWebView webview = (MyWebView) v;
	if (mFullscreenWebView == webview) return;

	mMainView.removeView(webview);
	mMainView.addView(webview, 0);

	if (mFullscreenWebView != null) {
	animateDown(mFullscreenWebView);
	}
	animateUp(webview);
	mFullscreenWebView = webview;
	} else {
	ContainerFrameLayout container = (ContainerFrameLayout) v;
	if (mFullscreenContainer == container) return;

	// Move to back by bringing others to the front.
	// This avoids detaching and reattaching any views.
	for (int i = 0; i < 3; ++i) {
	if (mContainerViews[i] == container) continue;
	mMainView.bringChildToFront(mContainerViews[i]);
	}

	if (mFullscreenContainer != null) {
	animateDown(mFullscreenContainer);
	}
	animateUp(container);
	mFullscreenContainer = container;
	}
	}
	}

	private static void animateDown(ContainerFrameLayout container) {
	// Start animation after fullying switched from SurfaceView to TextureView.
	int index = container.getIndex();
	container.getFragmentController().setSupportsEmbedding(true)
	.addCallback((Boolean result) -> {
	container.animate()
	.scaleX(1.0f / 3)
	.scaleY(1.0f / 3)
	.translationX(-container.getWidth() / 3.0f
	+ (container.getWidth() / 3.0f * index))
	.translationY(container.getHeight() / 3.0f)
	.alpha(0.8f)
	.setDuration(500);
	container.setInterceptTouchEvent(true);
	});
	}

	private static void animateUp(ContainerFrameLayout container) {
	container.animate()
	.scaleX(1.0f)
	.scaleY(1.0f)
	.translationX(0)
	.translationY(0)
	.alpha(1.0f)
	.setDuration(500)
	.withEndAction(() -> {
	container.getFragmentController().setSupportsEmbedding(false);
	container.setInterceptTouchEvent(false);
	});
	}

	private static void animateDown(MyWebView webview) {
	int index = webview.getIndex();
	webview.animate()
	.scaleX(1.0f / 3)
	.scaleY(1.0f / 3)
	.translationX(-webview.getWidth() / 3.0f + (webview.getWidth() / 3.0f * index))
	.translationY(webview.getHeight() / 3.0f)
	.alpha(0.8f)
	.setDuration(500);
	webview.setInterceptTouchEvent(true);
	}

	private static void animateUp(MyWebView webview) {
	webview.animate()
	.scaleX(1.0f)
	.scaleY(1.0f)
	.translationX(0)
	.translationY(0)
	.alpha(1.0f)
	.setDuration(500);
	webview.setInterceptTouchEvent(false);
	}

	/**
	* Given an URL, this performs minimal sanitizing to ensure it will be valid.
	* @param url The url to be sanitized.
	* @return The sanitized URL.
	*/
	public static String sanitizeUrl(String url) {
	if (url == null) return null;
	if (url.startsWith("www.") \|\| url.indexOf(":") == -1) url = "http://" + url;
	return url;
	}
	}