[Android WebView] API to enable fullscreen.

android_webview/javatests/src/org/chromium/android_webview/test/AwContentsClientFullScreenVideoTest.java

 // Copyright 2013 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.android_webview.test;
 
 import android.test.suitebuilder.annotation.MediumTest;
 import android.view.KeyEvent;
 import android.view.View;
 
 import junit.framework.Assert;
 
+import org.chromium.android_webview.test.util.JavascriptEventObserver;
 import org.chromium.android_webview.test.util.VideoTestWebServer;
 import org.chromium.base.CommandLine;
 import org.chromium.base.test.util.Feature;
 import org.chromium.content.browser.ContentViewCore;
 import org.chromium.content.browser.test.util.DOMUtils;
 import org.chromium.content.browser.test.util.TouchCommon;
 import org.chromium.content.common.ContentSwitches;
 
 /**
  * Test WebChromeClient::onShow/HideCustomView.
  */
 public class AwContentsClientFullScreenVideoTest extends AwTestBase {
     private FullScreenVideoTestAwContentsClient mContentsClient;
     private ContentViewCore mContentViewCore;
     private VideoTestWebServer webServer;
     private AwTestContainerView testContainerView;
 
     @Override
     protected void setUp() throws Exception {
         super.setUp();
         mContentsClient = new FullScreenVideoTestAwContentsClient(getActivity());
         testContainerView =
                 createAwTestContainerViewOnMainSync(mContentsClient);
         mContentViewCore = testContainerView.getContentViewCore();
         enableJavaScriptOnUiThread(testContainerView.getAwContents());
+        testContainerView.getAwContents().setFullScreenEnabled(true);
         webServer = new VideoTestWebServer(
                 getInstrumentation().getTargetContext());
     }
 
     @Override
     protected void tearDown() throws Exception {
         super.tearDown();
         if (webServer != null) webServer.getTestWebServer().shutdown();
     }
 
@@ skipping 54 matching lines @@
         // control since it is a shadow element, so this test might break if the location
         // ever moves.
         TouchCommon touchCommon = new TouchCommon(
                 AwContentsClientFullScreenVideoTest.this);
         touchCommon.singleClickView(mContentsClient.getCustomView());
 
         Assert.assertTrue(DOMUtils.waitForEndOfVideo(
                 mContentViewCore, VideoTestWebServer.VIDEO_ID));
     }
 
+    @MediumTest
+    @Feature({"AndroidWebView"})
+    public void testFullscreenNotEnabled() throws Throwable {
+        testContainerView.getAwContents().setFullScreenEnabled(false);
+
+        final JavascriptEventObserver fullScreenErrorObserver = new JavascriptEventObserver();
+        getInstrumentation().runOnMainSync(new Runnable() {
+            @Override
+            public void run() {
+                fullScreenErrorObserver.register(mContentViewCore, "javaFullScreenErrorObserver");
+            }
+        });
+
+        loadTestPageAndClickFullscreen();
+
+        Assert.assertTrue(fullScreenErrorObserver.waitForEvent(500));
+        Assert.assertFalse(mContentsClient.wasCustonViewShownCalled());
+    }
+
     private static boolean areHtmlControlsEnabled() {
         return !CommandLine.getInstance().hasSwitch(
                 ContentSwitches.DISABLE_OVERLAY_FULLSCREEN_VIDEO_SUBTITLE);
     }
 
     private void doOnShowAndHideCustomViewTest(final Runnable existFullscreen)
             throws Throwable {
         doOnShowCustomViewTest();
         getInstrumentation().runOnMainSync(existFullscreen);
         mContentsClient.waitForCustomViewHidden();
     }
 
     private void doOnShowCustomViewTest() throws Exception {
+        loadTestPageAndClickFullscreen();
+        mContentsClient.waitForCustomViewShown();
+    }
+
+    private void loadTestPageAndClickFullscreen() throws Exception {
         loadUrlSync(testContainerView.getAwContents(),
                 mContentsClient.getOnPageFinishedHelper(),
                 webServer.getFullScreenVideoTestURL());
 
         // Click the button in full_screen_video_test.html to enter fullscreen.
         TouchCommon touchCommon = new TouchCommon(this);
         touchCommon.singleClickView(testContainerView);
-        mContentsClient.waitForCustomViewShown();
     }
 }