Upstream FirstRunActivity and friends.

chrome/android/java/src/org/chromium/chrome/browser/firstrun/FirstRunActivity.java

Index: chrome/android/java/src/org/chromium/chrome/browser/firstrun/FirstRunActivity.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/firstrun/FirstRunActivity.java b/chrome/android/java/src/org/chromium/chrome/browser/firstrun/FirstRunActivity.java
new file mode 100644
index 0000000000000000000000000000000000000000..4d0380962e8568943f7f1e89e9b2b55c3fb03ea1
--- /dev/null
+++ b/chrome/android/java/src/org/chromium/chrome/browser/firstrun/FirstRunActivity.java
@@ -0,0 +1,437 @@
+// Copyright 2015 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.firstrun;
+
+import android.app.Activity;
+import android.app.Fragment;
+import android.content.Intent;
+import android.os.Bundle;
+import android.support.v4.view.ViewPager;
+import android.support.v7.app.ActionBarActivity;
+import android.text.TextUtils;
+
+import org.chromium.base.ApplicationStatus;
+import org.chromium.base.VisibleForTesting;
+import org.chromium.base.metrics.RecordHistogram;
+import org.chromium.chrome.R;
+import org.chromium.chrome.browser.ChromiumApplication;
+import org.chromium.chrome.browser.metrics.UmaBridge;
+import org.chromium.chrome.browser.profiles.Profile;
+
+import java.lang.ref.WeakReference;
+import java.lang.reflect.Constructor;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.concurrent.Callable;
+
+/**
+ * Handles the First Run Experience sequences shown to the user launching Chrome for the first time.
+ * It supports only a simple format of FRE:
+ *   [Welcome]
+ *   [Intro pages...]
+ *   [Sign-in page]
+ * The activity might be run more than once, e.g. 1) for ToS and sign-in, and 2) for intro.
+ */
+public class FirstRunActivity extends ActionBarActivity implements FirstRunPageDelegate {
+    protected static final String TAG = "FirstRunActivity";
+
+    // Incoming parameters:
+    public static final String ORIGINAL_INTENT = "OriginalIntent";
+    public static final String FIRE_ORIGINAL_INTENT = "FireOriginalIntent";
+    public static final String COMING_FROM_CHROME_ICON = "ComingFromChromeIcon";
+    public static final String USE_FRE_FLOW_SEQUENCER = "UseFreFlowSequencer";
+
+    public static final String SHOW_WELCOME_PAGE = "ShowWelcome";
+    public static final String SKIP_WELCOME_PAGE_IF_ACCEPTED_TOS = "SkipWelcomePageIfAcceptedToS";
+    public static final String SHOW_INTRO_BITMAP = "ShowIntroBitmap";
+    public static final String SKIP_ALL_INTRO = "SkipAllIntro";  // Marks all intros as seen.
+    public static final String SHOW_SIGNIN_PAGE = "ShowSignIn";
+
+    // Outcoming results:
+    public static final String RESULT_CLOSE_APP = "Close App";
+    public static final String RESULT_SIGNIN_ACCOUNT_NAME = "ResultSignInTo";
+    public static final String RESULT_SHOW_SYNC_SETTINGS = "ResultShowSyncSettings";
+
+    // UMA constants.
+    private static final String UMA_SIGNIN_CHOICE = "MobileFre.SignInChoice";
+    private static final int SIGNIN_SETTINGS_DEFAULT_ACCOUNT = 0;
+    private static final int SIGNIN_SETTINGS_ANOTHER_ACCOUNT = 1;
+    private static final int SIGNIN_ACCEPT_DEFAULT_ACCOUNT = 2;
+    private static final int SIGNIN_ACCEPT_ANOTHER_ACCOUNT = 3;
+    private static final int SIGNIN_NO_THANKS = 4;
+    private static final int SIGNIN_OPTION_COUNT = 5;
+
+    @VisibleForTesting
+    static FirstRunGlue sGlue = new FirstRunGlueImpl();
+
+    private boolean mShowWelcomePage = true;
+
+    private String mResultSignInAccountName;
+    private boolean mResultShowSyncSettings;
+
+    // TODO(aurimas): make this private once all of FirstRunActivity is upstreamed.
+    protected boolean mNativeSideIsInitialized;
+
+    private ProfileDataCache mProfileDataCache;
+    private ViewPager mPager;
+
+    private Bundle mFreProperties;
+
+    private List<Callable<FirstRunPage>> mPages;
+    private int mSkipIntroPageNumber;
+
+    /**
+     * The pager adapter, which provides the pages to the view pager widget.
+     */
+    private FirstRunPagerAdapter mPagerAdapter;
+
+    /**
+     * Defines a sequence of pages to be shown (depending on parameters etc).
+     */
+    private void createPageSequence() {
+        mPages = new ArrayList<Callable<FirstRunPage>>();
+
+        // An optional welcome page.
+        if (mShowWelcomePage) mPages.add(pageOf(ToSAndUMAFirstRunFragment.class));
+
+        // An optional sequence of intro pages.
+        if (!mFreProperties.getBoolean(SKIP_ALL_INTRO)) {
+            final long bitmap = mFreProperties.getLong(SHOW_INTRO_BITMAP);
+
+            // "Hera" (recents/tabs) promo.
+            if (((bitmap & FirstRunIntroPage.INTRO_RECENTS) != 0)
+                    && sGlue.isDocumentModeEligible(getApplicationContext())) {
+                mPages.add(pageOf(FirstRunIntroRecentsPage.class));
+            }
+        }
+
+        // Set the anchor to jump to if the user skips intro pages.
+        mSkipIntroPageNumber = mPages.size();
+
+        // An optional sign-in page.
+        if (mFreProperties.getBoolean(SHOW_SIGNIN_PAGE)) {
+            mPages.add(pageOf(AccountFirstRunFragment.class));
+        }
+    }
+
+    // Activity:
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        initializeBrowserProcess();
+
+        super.onCreate(savedInstanceState);
+        setFinishOnTouchOutside(false);
+
+        if (savedInstanceState != null) {
+            mFreProperties = savedInstanceState;
+        } else if (getIntent() != null) {
+            mFreProperties = getIntent().getExtras();
+        } else {
+            mFreProperties = new Bundle();
+        }
+
+        mPager = new ViewPager(this);
+        mPager.setId(R.id.fre_pager);
+        setContentView(mPager);
+        android.util.Log.i("FirstRunActivity", "onCreate: after setContentView");
+
+        mProfileDataCache = new ProfileDataCache(FirstRunActivity.this, null);
+        mProfileDataCache.setProfile(Profile.getLastUsedProfile());
+        new FirstRunFlowSequencer(this, mFreProperties) {
+            @Override
+            public void onFlowIsKnown(Activity activity, Bundle freProperties) {
+                android.util.Log.i("FirstRunActivity", "in onFlowIsKnown");
+
+                if (freProperties == null) {
+                    completeFirstRunExperience();
+                    return;
+                }
+
+                mFreProperties = freProperties;
+                mShowWelcomePage = mFreProperties.getBoolean(SHOW_WELCOME_PAGE);
+                if (mShowWelcomePage
+                        && mFreProperties.getBoolean(SKIP_WELCOME_PAGE_IF_ACCEPTED_TOS)) {
+                    mShowWelcomePage = !sGlue.didAcceptTermsOfService(getApplicationContext());
+                }
+                createPageSequence();
+
+                if (TextUtils.isEmpty(mResultSignInAccountName)) {
+                    mResultSignInAccountName = mFreProperties.getString(
+                            AccountFirstRunFragment.FORCE_SIGNIN_ACCOUNT_TO);
+                }
+
+                if (mPages.size() == 0) {
+                    completeFirstRunExperience();
+                    return;
+                }
+
+                mPagerAdapter =
+                        new FirstRunPagerAdapter(getFragmentManager(), mPages, mFreProperties);
+                stopProgressionIfNotAcceptedTermsOfService();
+                mPager.setAdapter(mPagerAdapter);
+
+                skipPagesIfNecessary();
+                android.util.Log.i("FirstRunActivity", "before return from onFlowIsKnown");
+            }
+        }.start();
+        android.util.Log.i("FirstRunActivity", "onCreate: after starting the sequencer");
+    }
+
+    @Override
+    protected void onSaveInstanceState(Bundle outState) {
+        super.onSaveInstanceState(outState);
+        outState.putAll(mFreProperties);
+    }
+
+    @Override
+    protected void onPause() {
+        super.onPause();
+        flushPersistentData();
+    }
+
+    @Override
+    protected void onResumeFragments() {
+        skipPagesIfNecessary();
+    }
+
+    @Override
+    protected void onDestroy() {
+        super.onDestroy();
+        mProfileDataCache.onDestroy();
+    }
+
+    @Override
+    protected void onStart() {
+        super.onStart();
+        stopProgressionIfNotAcceptedTermsOfService();
+        if (!mFreProperties.getBoolean(USE_FRE_FLOW_SEQUENCER)) {
+            if (FirstRunStatus.getFirstRunFlowComplete(this)
+                    && FirstRunIntroPage.wereAllNecessaryPagesShown(this)) {
+                // This is a parallel flow that needs to be refreshed/re-fired.
+                // Signal the FRE flow completion and re-launch the original intent.
+                completeFirstRunExperience();
+            }
+        }
+    }
+
+    @Override
+    public void onBackPressed() {
+        // Terminate if we are still waiting for the native or for Android EDU / GAIA Child checks.
+        if (mPagerAdapter == null) {
+            abortFirstRunExperience();
+            return;
+        }
+
+        Object currentItem = mPagerAdapter.instantiateItem(mPager, mPager.getCurrentItem());
+        if (currentItem instanceof FirstRunPage) {
+            FirstRunPage page = (FirstRunPage) currentItem;
+            if (page.interceptBackPressed()) return;
+        }
+
+        if (mPager.getCurrentItem() == 0) {
+            abortFirstRunExperience();
+        } else {
+            mPager.setCurrentItem(mPager.getCurrentItem() - 1);
+        }
+    }
+
+    // FirstRunPageDelegate:
+
+    @Override
+    public ProfileDataCache getProfileDataCache() {
+        return mProfileDataCache;
+    }
+
+    @Override
+    public void advanceToNextPage() {
+        jumpToPage(mPager.getCurrentItem() + 1, true);
+    }
+
+    @Override
+    public void skipIntroPages() {
+        jumpToPage(mSkipIntroPageNumber, false);
+    }
+
+    @Override
+    public void recreateCurrentPage() {
+        mPagerAdapter.notifyDataSetChanged();
+    }
+
+    @Override
+    public void abortFirstRunExperience() {
+        Intent intent = new Intent();
+        if (mFreProperties != null) intent.putExtras(mFreProperties);
+        intent.putExtra(RESULT_CLOSE_APP, true);
+        finishAllFREActivities(Activity.RESULT_CANCELED, intent);
+    }
+
+    @Override
+    public void completeFirstRunExperience() {
+        if (!TextUtils.isEmpty(mResultSignInAccountName)) {
+            boolean defaultAccountName =
+                    sGlue.isDefaultAccountName(getApplicationContext(), mResultSignInAccountName);
+            int choice;
+            if (mResultShowSyncSettings) {
+                if (defaultAccountName) {
+                    choice = SIGNIN_SETTINGS_DEFAULT_ACCOUNT;
+                } else {
+                    choice = SIGNIN_SETTINGS_ANOTHER_ACCOUNT;
+                }
+            } else {
+                if (defaultAccountName) {
+                    choice = SIGNIN_ACCEPT_DEFAULT_ACCOUNT;
+                } else {
+                    choice = SIGNIN_ACCEPT_ANOTHER_ACCOUNT;
+                }
+            }
+            RecordHistogram.recordEnumeratedHistogram(
+                    UMA_SIGNIN_CHOICE, choice, SIGNIN_OPTION_COUNT);
+        }
+
+        mFreProperties.putString(RESULT_SIGNIN_ACCOUNT_NAME, mResultSignInAccountName);
+        mFreProperties.putBoolean(RESULT_SHOW_SYNC_SETTINGS, mResultShowSyncSettings);
+        FirstRunFlowSequencer.markFlowAsCompleted(this, mFreProperties);
+
+        if (mFreProperties.getBoolean(FirstRunActivity.FIRE_ORIGINAL_INTENT)) {
+            Intent originalIntent = mFreProperties.getParcelable(FirstRunActivity.ORIGINAL_INTENT);
+            startActivity(originalIntent);
+        }
+
+        Intent resultData = new Intent();
+        resultData.putExtras(mFreProperties);
+        finishAllFREActivities(Activity.RESULT_OK, resultData);
+    }
+
+    @Override
+    public void onSigninDialogShown() {
+        UmaBridge.freSignInShown();
+    }
+
+    @Override
+    public void refuseSignIn() {
+        RecordHistogram.recordEnumeratedHistogram(
+                UMA_SIGNIN_CHOICE, SIGNIN_NO_THANKS, SIGNIN_OPTION_COUNT);
+        mResultSignInAccountName = null;
+        mResultShowSyncSettings = false;
+    }
+
+    @Override
+    public void acceptSignIn(String accountName) {
+        mResultSignInAccountName = accountName;
+    }
+
+    @Override
+    public void askToOpenSyncSettings() {
+        mResultShowSyncSettings = true;
+    }
+
+    @Override
+    public boolean didAcceptTermsOfService() {
+        return sGlue.didAcceptTermsOfService(getApplicationContext());
+    }
+
+    @Override
+    public boolean isNeverUploadCrashDump() {
+        return sGlue.isNeverUploadCrashDump(getApplicationContext());
+    }
+
+    @Override
+    public void acceptTermsOfService(boolean allowCrashUpload) {
+        sGlue.acceptTermsOfService(getApplicationContext(), allowCrashUpload);
+        flushPersistentData();
+        stopProgressionIfNotAcceptedTermsOfService();
+        jumpToPage(mPager.getCurrentItem() + 1, true);
+    }
+
+    @Override
+    public void openAccountAdder(Fragment fragment) {
+        sGlue.openAccountAdder(fragment);
+    }
+
+    protected void flushPersistentData() {
+        if (mNativeSideIsInitialized) ChromiumApplication.flushPersistentData();
+    }
+
+    private static void finishAllFREActivities(int result, Intent data) {
+        List<WeakReference<Activity>> activities = ApplicationStatus.getRunningActivities();
+        for (WeakReference<Activity> weakActivity : activities) {
+            Activity activity = weakActivity.get();
+            if (activity instanceof FirstRunActivity) {
+                activity.setResult(result, data);
+                activity.finish();
+            }
+        }
+    }
+
+
+    /**
+     * Transitions to a given page.
+     * @return Whether the transition to a given page was allowed.
+     * @param position A page index to transition to.
+     * @param smooth   Whether the transition should be smooth.
+     */
+    private boolean jumpToPage(int position, boolean smooth) {
+        if (mShowWelcomePage && !didAcceptTermsOfService()) {
+            return position == 0;
+        }
+        if (position >= mPagerAdapter.getCount()) {
+            completeFirstRunExperience();
+            return false;
+        }
+        mPager.setCurrentItem(position, smooth);
+        return true;
+    }
+
+    private void stopProgressionIfNotAcceptedTermsOfService() {
+        if (mPagerAdapter == null) return;
+        mPagerAdapter.setStopAtTheFirstPage(mShowWelcomePage && !didAcceptTermsOfService());
+    }
+
+    private void skipPagesIfNecessary() {
+        if (mPagerAdapter == null) return;
+
+        int currentPageIndex = mPager.getCurrentItem();
+        while (currentPageIndex < mPagerAdapter.getCount()) {
+            FirstRunPage currentPage = (FirstRunPage) mPagerAdapter.getItem(currentPageIndex);
+            if (!currentPage.shouldSkipPageOnResume(getApplicationContext())) return;
+            if (!jumpToPage(currentPageIndex + 1, false)) return;
+            currentPageIndex = mPager.getCurrentItem();
+        }
+    }
+
+    protected void initializeBrowserProcess() {
+        // TODO(aurimas): implement this once browser process initialization is upstreamed.
+    }
+
+    /**
+     * Creates a trivial page constructor for a given page type.
+     * @param clazz The .class of the page type.
+     * @return The simple constructor for a given page type (no parameters, no tuning).
+     */
+    public static Callable<FirstRunPage> pageOf(final Class<? extends FirstRunPage> clazz) {
+        return new Callable<FirstRunPage>() {
+            @Override
+            public FirstRunPage call() throws Exception {
+                Constructor<? extends FirstRunPage> constructor = clazz.getDeclaredConstructor();
+                return constructor.newInstance();
+            }
+        };
+    }
+
+    @Override
+    public void showEmbedContentViewActivity(int title, int url) {
+        // TODO(aurimas): implement this once EmbededContentViewActivity is upstreamed.
+    }
+
+    public void showSignInNotification() {
+        // TODO(aurimas): implement this once GoogleServicesManager is upstreamed.
+    }
+
+    @Override
+    public void openDocumentModeSettings() {
+        // TODO(aurimas): implement opening settings once DocumentModeSettings is upstreamed.
+    }
+}