Do screenshot capture async for share intents.

chrome/android/javatests/src/org/chromium/chrome/browser/ShareIntentTest.java

Index: chrome/android/javatests/src/org/chromium/chrome/browser/ShareIntentTest.java
diff --git a/chrome/android/javatests/src/org/chromium/chrome/browser/ShareIntentTest.java b/chrome/android/javatests/src/org/chromium/chrome/browser/ShareIntentTest.java
new file mode 100644
index 0000000000000000000000000000000000000000..b888c10eebd4ece60193b9e7b20b5849b9c0ec47
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+++ b/chrome/android/javatests/src/org/chromium/chrome/browser/ShareIntentTest.java
@@ -0,0 +1,134 @@
+// Copyright 2016 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.chrome.browser;
+
+import android.content.ComponentName;
+import android.content.Intent;
+import android.content.pm.PackageManager;
+import android.net.Uri;
+import android.os.AsyncTask;
+import android.os.ParcelFileDescriptor;
+import android.test.suitebuilder.annotation.LargeTest;
+
+import org.chromium.base.ThreadUtils;
+import org.chromium.chrome.browser.share.ShareHelper;
+import org.chromium.chrome.browser.tab.Tab;
+import org.chromium.chrome.test.ChromeTabbedActivityTestBase;
+
+import java.io.IOException;
+
+/**
+ * Instrumentation tests for Share intents.
+ */
+public class ShareIntentTest extends ChromeTabbedActivityTestBase {
+    private static final String TAG = "ShareIntentTest";
+
+    /**
+     * Mock activity class that overrides the startActivity and checks if the file passed in the
+     * intent can be opened.
+     *
+     * This class is a wrapper around the actual activity of the test, while it also inherits from
+     * activity and redirects the calls to the methods to the actual activity.
+     */
+    private static class MockChromeActivity extends ChromeTabbedActivity {
+        private Object mLock = new Object();
+        private boolean mCheckCompleted = false;
+        private ChromeActivity mActivity = null;
+
+        public MockChromeActivity(ChromeActivity activity) {
+            mActivity = activity;
+            mCheckCompleted = false;
+        }
+
+        /**
+         * Overrides startActivity and notifies check completed when the file from the uri of the
+         * intent is opened.
+         */
+        @Override
+        public void startActivity(Intent intent) {
+            final Uri uri = intent.getClipData().getItemAt(0).getUri();
+            new AsyncTask<Void, Void, Void>() {
+                @Override
+                protected Void doInBackground(Void... params) {
+                    ChromeFileProvider provider = new ChromeFileProvider();
+                    ParcelFileDescriptor file = null;
+                    try {
+                        file = provider.openFile(uri, "r");
+                        if (file != null) file.close();
+                    } catch (IOException e) {
+                        assert false : "Error while opening the file";
+                    }
+                    synchronized (mLock) {
+                        mCheckCompleted = true;
+                        mLock.notify();
+                    }
+                    return null;
+                }
+            }.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
+        }
+
+        /**
+         * Waits till the check for file opening is completed.
+         */
+        public void waitForFileCheck() throws InterruptedException {
+            synchronized (mLock) {
+                while (!mCheckCompleted) {
+                    mLock.wait();
+                }
+            }
+        }
+
+        @Override
+        public String getPackageName() {
+            return mActivity.getPackageName();
+        }
+
+        @Override
+        public Tab getActivityTab() {
+            return mActivity.getActivityTab();
+        }
+
+        @Override
+        public ChromeApplication getChromeApplication() {
+            return mActivity.getChromeApplication();
+        }
+
+        @Override
+        public PackageManager getPackageManager() {
+            return mActivity.getPackageManager();
+        }
+    }
+
+    @LargeTest
+    public void testShareIntent() {
+        final MockChromeActivity mockActivity = new MockChromeActivity(getActivity());
+        // Sets a test component as last shared and "shareDirectly" option is set so that the share
+        // selector menu is not opened. The start activity is overriden, so the package and class
+        // names do not matter.
+        ShareHelper.setLastShareComponentName(new ComponentName("test.package", "test.activity"));
+        // Skips the capture of screenshot and notifies with an empty file.
+        mockActivity.setScreenshotCaptureSkippedForTesting(true);
+        ThreadUtils.runOnUiThreadBlocking(new Runnable() {
+            @Override
+            public void run() {
+                mockActivity.onShareMenuItemSelected(
+                        true /* shareDirectly */, false /* isIncognito */);
+            }
+        });
+
+        try {
+            mockActivity.waitForFileCheck();
+        } catch (InterruptedException e) {
+            assert false : "Test thread was interrupted while trying to wait.";
+        }
+
+        ShareHelper.setLastShareComponentName(new ComponentName("", ""));
+    }
+
+    @Override
+    public void startMainActivity() throws InterruptedException {
+        startMainActivityOnBlankPage();
+    }
+}