gecko-dev/mobile/android/base/tests/BaseTest.java.in

#filter substitution
package @ANDROID_PACKAGE_NAME@.tests;

import com.jayway.android.robotium.solo.Solo;
import @ANDROID_PACKAGE_NAME@.*;

import android.app.Activity;
import android.app.Instrumentation;
import android.content.ContentResolver;
import android.content.ContentValues;
import android.content.ContentUris;
import android.content.Intent;
import android.content.pm.ActivityInfo;
import android.content.res.AssetManager;
import android.database.Cursor;
import android.net.Uri;
import android.os.Build;
import android.os.SystemClock;
import android.test.ActivityInstrumentationTestCase2;
import android.util.DisplayMetrics;
import android.view.inputmethod.InputMethodManager;
import android.view.View;
import android.widget.Button;
import android.widget.ListAdapter;
import android.widget.ListView;
import java.io.File;
import java.io.InputStream;
import java.io.IOException;
import java.lang.reflect.Method;
import java.util.ArrayList;
import java.util.HashMap;

/**
 *  A convenient base class suitable for most Robocop tests.
 */
abstract class BaseTest extends ActivityInstrumentationTestCase2<Activity> {
    public static final int TEST_MOCHITEST = 0;
    public static final int TEST_TALOS = 1;

    private static final String TARGET_PACKAGE_ID = "org.mozilla.gecko";
    private static final String LAUNCH_ACTIVITY_FULL_CLASSNAME="@ANDROID_PACKAGE_NAME@.App";
    private static final int VERIFY_URL_TIMEOUT = 2000;
    private static final int MAX_LIST_ATTEMPTS = 3;
    public static final int MAX_WAIT_MS = 3000;

    private static Class<Activity> mLauncherActivityClass;
    private Activity mActivity;
    protected Solo mSolo;
    protected Driver mDriver;
    protected Assert mAsserter;
    protected Actions mActions;
    protected String mBaseUrl;
    protected String mRawBaseUrl;
    private String mLogFile;
    protected String mProfile;
    public Device mDevice;

    protected void blockForGeckoReady() {
        try {
            Actions.EventExpecter geckoReadyExpector = mActions.expectGeckoEvent("Gecko:Ready");
            ClassLoader classLoader = getActivity().getClassLoader();
            Class appsCls = classLoader.loadClass("org.mozilla.gecko.GeckoThread");
            Class launchStateCls = classLoader.loadClass("org.mozilla.gecko.GeckoThread$LaunchState");
            Method checkLaunchState =  appsCls.getMethod("checkLaunchState", launchStateCls);
            Object states[] =  launchStateCls.getEnumConstants();
            Boolean ret = (Boolean)checkLaunchState.invoke(null, states[3]);
            if (!ret.booleanValue()) {
                geckoReadyExpector.blockForEvent();
            }
            geckoReadyExpector.unregisterListener();
        } catch (Exception e) {
            mAsserter.dumpLog("Exception in blockForGeckoReady", e);
        }
    }

    static {
        try {
            mLauncherActivityClass = (Class<Activity>)Class.forName(LAUNCH_ACTIVITY_FULL_CLASSNAME);
        } catch (ClassNotFoundException e) {
            throw new RuntimeException(e);
        }
    }

    public BaseTest() {
        super(TARGET_PACKAGE_ID, mLauncherActivityClass);
    }

    protected abstract int getTestType();

    @Override
    protected void setUp() throws Exception {
        // Load config file from root path (setup by python script)
        String rootPath = FennecInstrumentationTestRunner.getArguments().getString("deviceroot");
        String configFile = FennecNativeDriver.getFile(rootPath + "/robotium.config");
        HashMap config = FennecNativeDriver.convertTextToTable(configFile);
        // Create the intent to be used with all the important arguments.
        Intent i = new Intent(Intent.ACTION_MAIN);
        mProfile = (String)config.get("profile");
        i.putExtra("args", "-no-remote -profile " + mProfile);
        String envString = (String)config.get("envvars");
        if (envString != "") {
            String[] envStrings = envString.split(",");
            for (int iter = 0; iter < envStrings.length; iter++) {
                i.putExtra("env" + iter, envStrings[iter]);
            }
        }
        // Start the activity
        setActivityIntent(i);
        mActivity = getActivity();
        mLogFile = (String)config.get("logfile");
        mBaseUrl = ((String)config.get("host")).replaceAll("(/$)", "");
        mRawBaseUrl = ((String)config.get("rawhost")).replaceAll("(/$)", "");
        // Initialize the asserter
        if (getTestType() == TEST_TALOS) {
            mAsserter = new FennecTalosAssert();
        } else {
            mAsserter = new FennecMochitestAssert();
        }
        mAsserter.setLogFile(mLogFile);
        mAsserter.setTestName(this.getClass().getName());
        // Set up Robotium.solo and Driver objects
        mSolo = new Solo(getInstrumentation(), mActivity);
        mDriver = new FennecNativeDriver(mActivity, mSolo, rootPath);
        mActions = new FennecNativeActions(mActivity, mSolo, getInstrumentation(), mAsserter);
        mDevice = new Device();
    }

    @Override
    protected void runTest() throws Throwable {
        try {
            super.runTest();
        } catch (Throwable t) {
            // save screenshot -- written to /mnt/sdcard/Robotium-Screenshots
            // as <filename>.jpg
            mSolo.takeScreenshot("robocop-screenshot");
            if (mAsserter != null) {
                mAsserter.dumpLog("Exception caught during test!", t);
                mAsserter.ok(false, "Exception caught", t.toString());
            }
            // re-throw to continue bail-out
            throw t;
        }
    }

    @Override
    public void tearDown() throws Exception {
        try {
            mAsserter.endTest();
            mSolo.finishOpenedActivities();
        } catch (Throwable e) {
            e.printStackTrace();
        }
        super.tearDown();
    }

    public void assertMatches(String value, String regex, String name) {
        if (value == null) {
            mAsserter.ok(false, name, "Expected /" + regex + "/, got null");
            return;
        }
        mAsserter.ok(value.matches(regex), name, "Expected /" + regex +"/, got \"" + value + "\"");
    }

    /**
     * Click on the specified element and return the resulting activity.
     * @return The created activity, or null if the element cannot be clicked.
     */
    protected final Activity getActivityFromClick(Element element) {
        Instrumentation inst = getInstrumentation();
        Instrumentation.ActivityMonitor monitor = inst.addMonitor((String)null, null, false);
        boolean clicked = element.click();
        if (!clicked) {
            mAsserter.ok(clicked != false, "checking that awesome bar clicked", "awesome bar was clicked");
            return null;
        }
        inst.waitForMonitor(monitor);
        // Give the activity time to render itself and initialize views 
        // before continuing, so that views are created before access
        // attempts are made. Again, waitForIdleSync was used here
        // previously, but replaced with a sleep to avoid hangs.
        // TODO: Investigate and document why these pauses are required.
        mSolo.sleep(2000);

        return mSolo.getCurrentActivity();
    }

    /**
     * Click on the awesome bar element and return the resulting activity.
     * @return The created activity, or null if the awesome bar cannot be clicked.
     */
    private Activity mAwesomeActivity;
    protected final Activity clickOnAwesomeBar() {
        mAwesomeActivity = null;
        boolean success = waitForTest(new BooleanTest() {
            @Override
            public boolean test() {
                Element awesomebar = mDriver.findElement(mActivity, "browser_toolbar");
                if (awesomebar != null) {
                    mAwesomeActivity = getActivityFromClick(awesomebar);
                    if (mAwesomeActivity == null) {
                        mAsserter.dumpLog("failed to click on awesome bar!");
                    }
                    return mSolo.waitForText("History", 1, MAX_WAIT_MS);
                }
                return false;
            }
        }, MAX_WAIT_MS*5);

        if (!success)
            mAsserter.dumpLog("failed to find History");
        return mAwesomeActivity;
    }

    protected final void enterUrl(String url) {
        Activity awesomeBarActivity = clickOnAwesomeBar();
        Element urlbar = mDriver.findElement(awesomeBarActivity, "awesomebar_text");
        mActions.sendKeys(url);
        String urlbarText = null;
        if (urlbar != null) {
            urlbarText = urlbar.getText();
        }
        mAsserter.is(urlbarText, url, "Awesomebar URL typed properly");
    }

    protected final void hitEnterAndWait() {
        Actions.EventExpecter contentEventExpecter = mActions.expectGeckoEvent("DOMContentLoaded");
        mActions.sendSpecialKey(Actions.SpecialKey.ENTER);
        // wait for screen to load
        contentEventExpecter.blockForEvent();
        contentEventExpecter.unregisterListener();
    }

    /**
     * Load <code>url</code> using the awesome bar UI and sending key strokes.
     *
     * This method waits synchronously for the <code>DOMContentLoaded</code>
     * message from Gecko before returning.
     */
    protected final void loadUrl(String url) {
        enterUrl(url);
        hitEnterAndWait();
    }

    /**
     * Load <code>url</code> using reflection and the internal
     * <code>org.mozilla.gecko.Tabs</code> API.
     *
     * This method does not wait for any confirmation from Gecko before
     * returning.
     */
    protected final void loadUrlInTab(final String url) {
        try {
            ClassLoader classLoader = getActivity().getClassLoader();
            Class tabsClass = classLoader.loadClass("org.mozilla.gecko.Tabs");
            Method getInstance = tabsClass.getMethod("getInstance");
            Method loadUrlInTab = tabsClass.getMethod("loadUrlInTab", String.class);
            Object tabs = getInstance.invoke(null);
            loadUrlInTab.invoke(tabs, new Object[] { url });
        } catch (Exception e) {
            mAsserter.dumpLog("Exception in loadUrlInTab", e);
            throw new RuntimeException(e);
        }
    }

    public final void verifyUrl(String url) {
        Activity awesomeBarActivity = clickOnAwesomeBar();
        Element urlbar = mDriver.findElement(awesomeBarActivity, "awesomebar_text");
        String urlbarText = null;
        if (urlbar != null) {
            // wait for a short time for the expected text, in case there is a delay
            // in updating the view
            waitForTest(new VerifyUrlTest(urlbar, url), VERIFY_URL_TIMEOUT);
            urlbarText = urlbar.getText();
        }
        mAsserter.is(urlbarText, url, "Awesomebar URL stayed the same");
    }

    class VerifyUrlTest implements BooleanTest {
        private Element mUrlbar;
        private String mUrl;
        public VerifyUrlTest(Element urlbar, String url) {
            mUrlbar = urlbar;
            mUrl = url;
        }
        @Override
        public boolean test() {
            String urlbarText = mUrlbar.getText();
            if (urlbarText.equals(mUrl)) {
                return true;
            }
            return false;
        }
    }

    protected final String getAbsoluteUrl(String url) {
        return mBaseUrl + "/" + url.replaceAll("(^/)", "");
    }

    protected final String getAbsoluteRawUrl(String url) {
        return mRawBaseUrl + "/" + url.replaceAll("(^/)", "");
    }

    protected final boolean waitForTest(BooleanTest t, int timeout) {
        long end = SystemClock.uptimeMillis() + timeout;
        while (SystemClock.uptimeMillis() < end) {
            if (t.test()) {
                return true;
            }
            mSolo.sleep(100);
        }
        // log out wait failure for diagnostic purposes only;
        // a failed wait may be normal and does not necessarily
        // warrant a test assertion/failure
        mAsserter.dumpLog("waitForTest timeout after "+timeout+" ms");
        return false;
    }

    protected interface BooleanTest {
        public boolean test();
    }

    @SuppressWarnings({"unchecked", "non-varargs"})
    public void SqliteCompare(String dbName, String sqlCommand, ContentValues[] cvs) {
        File profile = new File(mProfile);
        String dbPath = new File(profile, dbName).getPath();

        Cursor c = mActions.querySql(dbPath, sqlCommand);
        SqliteCompare(c, cvs);
    }

    private boolean CursorMatches(Cursor c, String[] columns, ContentValues cv) {
        for (int i = 0; i < columns.length; i++) {
            String column = columns[i];
            if (cv.containsKey(column)) {
                mAsserter.info("Comparing", "Column values for: " + column);
                Object value = cv.get(column);
                if (value == null) {
                    if (!c.isNull(i)) {
                        return false;
                    }
                } else {
                    if (c.isNull(i) || !value.toString().equals(c.getString(i))) {
                        return false;
                    }
                }
            }
        }
        return true;
    }

    @SuppressWarnings({"unchecked", "non-varargs"})
    public void SqliteCompare(Cursor c, ContentValues[] cvs) {
        mAsserter.is(c.getCount(), cvs.length, "List is correct length");
        if (c.moveToFirst()) {
            do {
                boolean found = false;
                for (int i = 0; !found && i < cvs.length; i++) {
                    if (CursorMatches(c, cvs[i])) {
                        found = true;
                    }
                }
                mAsserter.is(found, true, "Password was found");
            } while(c.moveToNext());
        }
    }

    public boolean CursorMatches(Cursor c, ContentValues cv) {
        for (int i = 0; i < c.getColumnCount(); i++) {
            String column = c.getColumnName(i);
            if (cv.containsKey(column)) {
                mAsserter.info("Comparing", "Column values for: " + column);
                Object value = cv.get(column);
                if (value == null) {
                    if (!c.isNull(i)) {
                        return false;
                    }
                } else {
                    if (c.isNull(i) || !value.toString().equals(c.getString(i))) {
                        return false;
                    }
                }
            }
        }
        return true;
    }

    public InputStream getAsset(String filename) throws IOException {
        AssetManager assets = getInstrumentation().getContext().getAssets();
        return assets.open(filename);
    }

    public boolean waitForText(String text) {
        boolean rc = mSolo.waitForText(text);
        if (!rc) {
            // log out failed wait for diagnostic purposes only;
            // waitForText failures are sometimes expected/normal
            mAsserter.dumpLog("waitForText timeout on "+text);
        }
        return rc;
    }

    /** 
     * Select <item> from Menu > "Settings" > <section>
     */
    public void selectSettingsItem(String section, String item) {
        String itemName = "^" + item + "$";
        selectMenuItem("Settings");
        // On tablets, settings are arranged in a hierarchy; if the item is not 
        // in the first ("General") section, the section must be selected first.
        if (mDevice.type.equals("tablet") && 
            section != null &&
            !section.equals("General")) {
            String sectionName = "^" + section + "$";
            waitForText(sectionName);
            mSolo.clickOnText(sectionName);
        }
        waitForText(itemName);
        mSolo.clickOnText(itemName);
    }

    public final void selectMenuItem(String menuItemName) {
        // build the item name ready to be used
        String itemName = "^" + menuItemName + "$";
        mActions.sendSpecialKey(Actions.SpecialKey.MENU);
        if (waitForText(itemName)) {
            mSolo.clickOnText(itemName);
        } else {
            if (mSolo.searchText("(^More$|^Tools$)")) {
                mSolo.clickOnText("(^More$|^Tools$)");
            }
            waitForText(itemName);
            mSolo.clickOnText(itemName);
        }
    }

    public final void verifyPageTitle(String title) {
        Element awesomebar = mDriver.findElement(getActivity(), "awesome_bar_title");
        String pageTitle = null;
        if (awesomebar != null) {
            // Wait for the title to make sure it has been displayed in case the view
            // does not update fast enough
            waitForTest(new VerifyTitle(awesomebar, title), MAX_WAIT_MS);
            pageTitle = awesomebar.getText();
        }
        mAsserter.is(pageTitle, title, "Page title is correct");
    }

    class VerifyTitle implements BooleanTest {
        private Element mAwesomebar;
        private String mTitle;
        public VerifyTitle(Element awesomebar, String title) {
            mAwesomebar = awesomebar;
            mTitle = title;
        }
        @Override
        public boolean test() {
            String pageTitle = mAwesomebar.getText();
            if (pageTitle.equals(mTitle)) {
                return true;
            }
            return false;
        }
    }

    public final void verifyTabCount(int expectedTabCount) {
        Activity activity = getActivity();
        Element tabCount = mDriver.findElement(activity, "tabs_counter");
        String tabCountText = tabCount.getText();
        int tabCountInt = Integer.parseInt(tabCountText);
        mAsserter.is(tabCountInt, expectedTabCount, "The correct number of tabs are opened");
    }

    // Used to perform clicks on pop-up buttons without having to close the virtual keyboard
    public void clickOnButton(String label) {
        final Button button = mSolo.getButton(label);
        try {
            runTestOnUiThread(new Runnable() {
                @Override
                public void run() {
                    button.performClick();
                }
            });
       } catch (Throwable throwable) {
           mAsserter.ok(false, "Unable to click the button","Was unable to click button ");
       }
    }

    // Used to hide/show the virtual keyboard
    public void toggleVKB() {
        InputMethodManager imm = (InputMethodManager) getActivity().getSystemService(Activity.INPUT_METHOD_SERVICE);
        imm.toggleSoftInput(InputMethodManager.HIDE_IMPLICIT_ONLY, 0);
    }

    protected boolean isBookmark(String[] bookmarks, String aValue) {
        for (int i = 0; i < bookmarks.length; i++) {
            if (bookmarks[i].equals(aValue))
                return true;
        }
        return false;
    }

    private ListView getAwesomeList(String waitText, int expectedChildCount,
         String clickText, String tagName, String callerName) {
        ArrayList<ListView> views;
        ListView tabView = null;
        int childCount = 0;
        for (int i = 0; i < MAX_LIST_ATTEMPTS; i++) {
            tabView = null;
            childCount = 0;
            Activity awesomeBarActivity = clickOnAwesomeBar();
            mSolo.clickOnText(clickText);
            if (waitForText(waitText)) {
                views = mSolo.getCurrentListViews();
                for (ListView view : views) {
                    if (view.getTag().equals(tagName)) {
                        tabView = view;
                        ListAdapter adapter = view.getAdapter();
                        if (adapter != null) {
                            childCount = adapter.getCount();
                        } else {
                            childCount = 0;
                        }
                        if (expectedChildCount < 0 || expectedChildCount == childCount) {
                            return view;
                        }
                    }
                }
            }
        }
        if (tabView == null) {
            mAsserter.dumpLog(callerName+" did not find ListView");
        } else if (expectedChildCount >= 0) {
            mAsserter.dumpLog(callerName+" found ListView with "+childCount+" children");
        }
        return null;
    }

    /**
     * Click on the awesome bar, click on the Top Sites tab, and return 
     * the ListView for the All Pages ("Top Sites") tab.
     */
    protected ListView getAllPagesList(String waitText, int expectedChildCount) {
        return getAwesomeList(waitText, expectedChildCount, 
            "Top Sites", "allPages", "getAllPagesList");
    }

    protected ListView getAllPagesList(String waitText) {
        return getAllPagesList(waitText, -1);
    }

    /** 
     * Click on the awesome bar, click on the Bookmarks tab, and return
     * the ListView for the Bookmarks tab.
     */
    protected ListView getBookmarksList(String waitText, int expectedChildCount) {
        return getAwesomeList(waitText, expectedChildCount, 
            "Bookmarks", "bookmarks", "getBookmarksList");
    }

    protected ListView getBookmarksList(String waitText) {
        return getBookmarksList(waitText, -1);
    }

    /**
     * Click on the awesome bar, click on the History tab, and return
     * the ListView for the History tab.
     */
    protected ListView getHistoryList(String waitText, int expectedChildCount) {
        return getAwesomeList(waitText, expectedChildCount, 
            "History", "history", "getHistoryList");
    }

    protected ListView getHistoryList(String waitText) {
        return getHistoryList(waitText, -1);
    }

    public long addOrUpdateBookmark(String title, String url, boolean bookmarklet) {
        ContentResolver resolver = getActivity().getContentResolver();
        Uri bookmarksUri = Uri.parse("content://@ANDROID_PACKAGE_NAME@.db.browser/bookmarks");
        bookmarksUri = bookmarksUri.buildUpon().appendQueryParameter("profile", "default").build();
        long folderId = -1;
        Cursor c = null;
        // NOTE: this is hardcoded to toolbar/mobile and triggered from bookmarklet because the existing
        //       testcases were written this way
        String location = "toolbar";
        if (bookmarklet) {
            location = "mobile";
        }
        try {
            c = resolver.query(bookmarksUri,
                               new String[] { "_id" },
                               "guid = ?",
                               new String[] { location },
                               null);
            if (c.moveToFirst()) {
                folderId = c.getLong(c.getColumnIndexOrThrow("_id"));
            }
        } finally {
            if (c != null) {
                c.close();
            }
        }
        ContentValues values = new ContentValues();
        values.put("title", title);
        values.put("url", url);
        values.put("parent", folderId);
        long now = System.currentTimeMillis();
        values.put("modified", now);
        if (!bookmarklet) {
            values.put("type", 1);
            values.put("guid", url);
            values.put("position", 10);
            values.put("created", now);
        }
        int updated = resolver.update(bookmarksUri,
                                      values,
                                      "url = ?",
                                      new String[] { url });
        if (updated == 0) {
            Uri uri = resolver.insert(bookmarksUri, values);
            mAsserter.ok(true, "Inserted at: ", uri.toString());
            return ContentUris.parseId(uri);
        }
        return ContentUris.parseId(bookmarksUri);
    }

    public void deleteBookmark(String title) {
        ContentResolver resolver = getActivity().getContentResolver();
        Uri uri = Uri.parse("content://@ANDROID_PACKAGE_NAME@.db.browser/bookmarks");
        uri = uri.buildUpon().appendQueryParameter("profile", "default")
                             .appendQueryParameter("sync", "true").build();
        resolver.delete(uri, "title = ?", new String[] { title });
    }

    public void addTab(String url) {
        Element tabs = null;
        Element addTab = null;
        Activity activity = getActivity();
        tabs = mDriver.findElement(activity, "tabs");
        addTab = mDriver.findElement(activity, "add_tab");
        final int addTabId = addTab.getId();
        mAsserter.ok(tabs.click(), "checking that tabs clicked", "tabs element clicked");
        // wait for addTab to appear (this is usually immediate)
        boolean success = waitForTest(new BooleanTest() {
            @Override
            public boolean test() {
                View addTabView = getActivity().findViewById(addTabId);
                if (addTabView == null) {
                    return false;
                }
                return true;
            }
        }, MAX_WAIT_MS);
        mAsserter.ok(success, "waiting for add tab view", "add tab view available");
        mAsserter.ok(addTab.click(), "checking that add_tab clicked", "add_tab element clicked");
        // must pause before sending keys, until awesome bar is displayed; waiting for known text is simple
        waitForText("History");
        // cannot use loadUrl(): getText fails because we are using a different urlbar
        mActions.sendKeys(url);
        hitEnterAndWait();
    }

    public final void runOnUiThreadSync(Runnable runnable) {
        RobocopUtils.runOnUiThreadSync(mActivity, runnable);
    }

    /**
    * This method will edit the bookmark with index = bookmarkIndex from the list of bookmarks
    * For the field index:
    *     fieldIndex = 1 - the Bookmark name
    *     fieldIndex = 2 - the Bookmark url
    *     fieldIndex = 3 - the Bookmark keyword
    */
    public void editBookmark(int bookmarkIndex, int fieldIndex, String addedText, ListView list) {

        // Open the Edit Bookmark context menu
        View child;
        mSolo.clickOnText("Bookmarks");
        child = list.getChildAt(bookmarkIndex);
        mAsserter.ok(child != null, "edit item can be retrieved", child != null ? child.toString() : "null!");
        waitForText("Switch to tab");
        mSolo.clickLongOnView(child);
        waitForText("Share");
        mSolo.clickOnText("Edit");
        waitForText("Edit Bookmark");

        // Clear the Field
        mSolo.clearEditText(fieldIndex);

        // Enter the new text
        mSolo.clickOnEditText(fieldIndex);
        mActions.sendKeys(addedText);
        mSolo.clickOnText("OK");
        waitForText("Bookmark updated");
    }

    public boolean checkBookmarkEdit(int bookmarkIndex, String addedText, ListView list) {
        Device mDevice = new Device();
        // Open the Edit Bookmark context menu
        View child;
        mSolo.clickOnText("Bookmarks");
        child = list.getChildAt(bookmarkIndex);
        mAsserter.ok(child != null, "check item can be retrieved", child != null ? child.toString() : "null!");
        waitForText("Switch to tab");
        mSolo.clickLongOnView(child);
        waitForText("Share");
        mSolo.clickOnText("Edit");
        waitForText("Edit Bookmark");

        // Check if the new text was added
        if (mSolo.searchText(addedText)) {
            clickOnButton("Cancel");
            waitForText("about:home");
            return true;
        } else {
            clickOnButton("Cancel");
            waitForText("about:home");
            return false;
        }
    }

    class Device {
        public final String version; // 2.x or 3.x or 4.x
        public String type; // "tablet" or "phone"
        public final int width;
        public final int height;

        public Device() {
            // Determine device version
            int sdk = Build.VERSION.SDK_INT;
            if (sdk < Build.VERSION_CODES.HONEYCOMB) {
                version = "2.x";
            } else {
                if (sdk > Build.VERSION_CODES.HONEYCOMB_MR2) {
                    version = "4.x";
                } else {
                    version = "3.x";
                }
            }
            // Determine with and height
            DisplayMetrics dm = new DisplayMetrics();
            getActivity().getWindowManager().getDefaultDisplay().getMetrics(dm);
            height = dm.heightPixels;
            width = dm.widthPixels;
            // Determine device type
            type = "phone";
            try {
                ClassLoader classLoader = getActivity().getClassLoader();
                Class appsCls = classLoader.loadClass("org.mozilla.gecko.GeckoAppShell");
                Method isTabletMethod = appsCls.getMethod("isTablet", (Class[]) null);
                boolean isTablet = (Boolean)isTabletMethod.invoke(null);
                if (isTablet) {
                    type = "tablet";
                }
            } catch (Exception e) {
                mAsserter.dumpLog("Exception in detectDevice", e);
            }
        }

        public void rotate() {
            if (getActivity().getRequestedOrientation () == ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE) {
                mSolo.setActivityOrientation(Solo.PORTRAIT);
            } else {
                mSolo.setActivityOrientation(Solo.LANDSCAPE);
            }
        }
    }

    class Navigation {
        private String devType;
        private String osVersion;

        public Navigation(Device mDevice) {
            devType = mDevice.type;
            osVersion = mDevice.version;
        }

        public void back() {
            if (devType.equals("tablet")) {
                Element backBtn = mDriver.findElement(getActivity(), "back");
                backBtn.click();
            } else {
                mActions.sendSpecialKey(Actions.SpecialKey.BACK);
            }
        }

        public void forward() {
            if (devType.equals("tablet")) {
                Element fwdBtn = mDriver.findElement(getActivity(), "forward");
                fwdBtn.click();
            } else {
                mActions.sendSpecialKey(Actions.SpecialKey.MENU);
                waitForText("^New Tab$");
                if (!osVersion.equals("2.x")) {
                    Element fwdBtn = mDriver.findElement(getActivity(), "forward");
                    fwdBtn.click();
                } else {
                    mSolo.clickOnText("^Forward$");
                }
            }
        }

        public void reload() {
            if (devType.equals("tablet")) {
                Element reloadBtn = mDriver.findElement(getActivity(), "reload");
                reloadBtn.click();
            } else {
                mActions.sendSpecialKey(Actions.SpecialKey.MENU);
                waitForText("^New Tab$");
                if (!osVersion.equals("2.x")) {
                    Element reloadBtn = mDriver.findElement(getActivity(), "reload");
                    reloadBtn.click();
                } else {
                    mSolo.clickOnText("^Reload$");
                }
            }
        }

        public void bookmark() {
            if (devType.equals("tablet")) {
                if (!osVersion.equals("4.x")){
                    Element bookmarkBtn = mDriver.findElement(getActivity(), "bookmark");
                    bookmarkBtn.click();
                }
                else {
                    mActions.sendSpecialKey(Actions.SpecialKey.MENU);
                    mSolo.waitForText("^New Tab$");
                    mSolo.clickOnText("^Bookmark$");
                }
            }
            else {
                mActions.sendSpecialKey(Actions.SpecialKey.MENU);
                mSolo.waitForText("^New Tab$");
                if (!osVersion.equals("2.x")) {
                    Element bookmarkBtn = mDriver.findElement(getActivity(), "bookmark");
                    bookmarkBtn.click();
                }
                else {
                    mSolo.clickOnText("^Bookmark$");
                }
            }
        }
    }
}