Moved SearchController into its own class.

It was starting to get pretty big and it's probably safe to say it deserves its
own file now to declutter the main activity.

Bug: 181512198
Test: existing
PiperOrigin-RevId: 182264121
Change-Id: Id3314839bcd2fa10f48cc1f0df0bf202ce36ea3a

1 files changed, 246 insertions, 0 deletions

diff --git a/java/com/android/dialer/main/impl/MainSearchController.java b/java/com/android/dialer/main/impl/MainSearchController.java
new file mode 100644
index 000000000..4645c9afe
--- /dev/null
+++ b/java/com/android/dialer/main/impl/MainSearchController.java
@@ -0,0 +1,246 @@
+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License
+ */
+
+package com.android.dialer.main.impl;
+
+import android.support.design.widget.FloatingActionButton;
+import android.text.TextUtils;
+import android.view.View;
+import android.view.animation.Animation;
+import android.view.animation.Animation.AnimationListener;
+import com.android.dialer.common.Assert;
+import com.android.dialer.dialpadview.DialpadFragment;
+import com.android.dialer.dialpadview.DialpadFragment.DialpadListener;
+import com.android.dialer.main.impl.toolbar.MainToolbar;
+import com.android.dialer.main.impl.toolbar.SearchBarListener;
+import com.android.dialer.searchfragment.list.NewSearchFragment;
+import com.android.dialer.util.ViewUtil;
+import com.google.common.base.Optional;
+
+/**
+ * Search controller for handling all the logic related to entering and exiting the search UI.
+ *
+ * <p>Components modified are:
+ *
+ * <ul>
+ *   <li>Bottom Nav Bar, completely hidden when in search ui.
+ *   <li>FAB, visible in dialpad search when dialpad is hidden. Otherwise, FAB is hidden.
+ *   <li>Toolbar, expanded and visible when dialpad is hidden. Otherwise, hidden off screen.
+ *   <li>Dialpad, shown through fab clicks and hidden with Android back button.
+ * </ul>
+ *
+ * @see #onBackPressed()
+ */
+final class MainSearchController implements SearchBarListener {
+
+  private static final String DIALPAD_FRAGMENT_TAG = "dialpad_fragment_tag";
+  private static final String SEARCH_FRAGMENT_TAG = "search_fragment_tag";
+
+  private final MainActivity mainActivity;
+  private final BottomNavBar bottomNav;
+  private final FloatingActionButton fab;
+  private final MainToolbar toolbar;
+
+  MainSearchController(
+      MainActivity mainActivity,
+      BottomNavBar bottomNav,
+      FloatingActionButton fab,
+      MainToolbar toolbar) {
+    this.mainActivity = mainActivity;
+    this.bottomNav = bottomNav;
+    this.fab = fab;
+    this.toolbar = toolbar;
+  }
+
+  /** Shows the dialpad, hides the FAB and slides the toolbar off screen. */
+  public void showDialpad(boolean animate) {
+    Assert.checkArgument(!isDialpadVisible());
+
+    fab.hide();
+    toolbar.slideUp(animate);
+    toolbar.expand(animate, Optional.absent());
+    mainActivity.setTitle(R.string.dialpad_activity_title);
+
+    android.app.FragmentTransaction transaction =
+        mainActivity.getFragmentManager().beginTransaction();
+
+    // Show Search
+    if (getSearchFragment() == null) {
+      NewSearchFragment searchFragment = NewSearchFragment.newInstance(false);
+      transaction.add(R.id.search_fragment_container, searchFragment, SEARCH_FRAGMENT_TAG);
+    } else if (!isSearchVisible()) {
+      transaction.show(getSearchFragment());
+    }
+
+    // Show Dialpad
+    if (getDialpadFragment() == null) {
+      DialpadFragment dialpadFragment = new DialpadFragment();
+      transaction.add(R.id.dialpad_fragment_container, dialpadFragment, DIALPAD_FRAGMENT_TAG);
+    } else {
+      DialpadFragment dialpadFragment = getDialpadFragment();
+      transaction.show(dialpadFragment);
+    }
+    transaction.commit();
+  }
+
+  /** Hides the dialpad, reveals the FAB and slides the toolbar back onto the screen. */
+  private void hideDialpad(boolean animate, boolean bottomNavVisible) {
+    Assert.checkArgument(isDialpadVisible());
+
+    fab.show();
+    toolbar.slideDown(animate);
+    mainActivity.setTitle(R.string.main_activity_label);
+
+    DialpadFragment dialpadFragment = getDialpadFragment();
+    dialpadFragment.setAnimate(animate);
+    dialpadFragment.slideDown(
+        animate,
+        new AnimationListener() {
+          @Override
+          public void onAnimationStart(Animation animation) {
+            // Slide the bottom nav on animation start so it's (not) visible when the dialpad
+            // finishes animating down.
+            if (bottomNavVisible) {
+              showBottomNav();
+            } else {
+              hideBottomNav();
+            }
+          }
+
+          @Override
+          public void onAnimationEnd(Animation animation) {
+            if (!(mainActivity.isFinishing() || mainActivity.isDestroyed())) {
+              mainActivity.getFragmentManager().beginTransaction().remove(dialpadFragment).commit();
+            }
+          }
+
+          @Override
+          public void onAnimationRepeat(Animation animation) {}
+        });
+  }
+
+  private void hideBottomNav() {
+    bottomNav.setVisibility(View.INVISIBLE);
+    if (bottomNav.getHeight() == 0) {
+      ViewUtil.doOnGlobalLayout(bottomNav, v -> fab.setTranslationY(bottomNav.getHeight()));
+    } else {
+      fab.setTranslationY(bottomNav.getHeight());
+    }
+  }
+
+  private void showBottomNav() {
+    bottomNav.setVisibility(View.VISIBLE);
+    fab.setTranslationY(0);
+  }
+
+  /** Should be called when {@link DialpadListener#onDialpadShown()} is called. */
+  public void onDialpadShown() {
+    getDialpadFragment().slideUp(true);
+  }
+
+  /**
+   * Should be called when the user presses the back button.
+   *
+   * @return true if #onBackPressed() handled to action.
+   */
+  public boolean onBackPressed() {
+    if (isDialpadVisible() && !TextUtils.isEmpty(getDialpadFragment().getQuery())) {
+      hideDialpad(/* animate=*/ true, /* bottomNavVisible=*/ false);
+      return true;
+    } else if (isSearchVisible()) {
+      closeSearch(true);
+      return true;
+    } else {
+      return false;
+    }
+  }
+
+  /** Calls {@link #hideDialpad(boolean, boolean)} and removes the search fragment. */
+  private void closeSearch(boolean animate) {
+    Assert.checkArgument(isSearchVisible());
+    if (isDialpadVisible()) {
+      hideDialpad(animate, /* bottomNavVisible=*/ true);
+    } else if (!fab.isShown()) {
+      fab.show();
+    }
+    showBottomNav();
+    toolbar.collapse(animate);
+    mainActivity.getFragmentManager().beginTransaction().remove(getSearchFragment()).commit();
+  }
+
+  private DialpadFragment getDialpadFragment() {
+    return (DialpadFragment)
+        mainActivity.getFragmentManager().findFragmentByTag(DIALPAD_FRAGMENT_TAG);
+  }
+
+  private NewSearchFragment getSearchFragment() {
+    return (NewSearchFragment)
+        mainActivity.getFragmentManager().findFragmentByTag(SEARCH_FRAGMENT_TAG);
+  }
+
+  private boolean isDialpadVisible() {
+    DialpadFragment fragment = getDialpadFragment();
+    return fragment != null
+        && fragment.isAdded()
+        && !fragment.isHidden()
+        && fragment.isDialpadSlideUp();
+  }
+
+  private boolean isSearchVisible() {
+    NewSearchFragment fragment = getSearchFragment();
+    return fragment != null && fragment.isAdded() && !fragment.isHidden();
+  }
+
+  /**
+   * Opens search in regular/search bar search mode.
+   *
+   * <p>Hides fab, expands toolbar and starts the search fragment.
+   */
+  @Override
+  public void onSearchBarClicked() {
+    fab.hide();
+    toolbar.expand(/* animate=*/ true, Optional.absent());
+
+    android.app.FragmentTransaction transaction =
+        mainActivity.getFragmentManager().beginTransaction();
+
+    // Show Search
+    if (getSearchFragment() == null) {
+      NewSearchFragment searchFragment = NewSearchFragment.newInstance(false);
+      transaction.add(R.id.search_fragment_container, searchFragment, SEARCH_FRAGMENT_TAG);
+    } else if (!isSearchVisible()) {
+      transaction.show(getSearchFragment());
+    }
+    transaction.commit();
+  }
+
+  @Override
+  public void onSearchBackButtonClicked() {
+    closeSearch(true);
+  }
+
+  @Override
+  public void onSearchQueryUpdated(String query) {}
+
+  @Override
+  public void onVoiceButtonClicked(VoiceSearchResultCallback voiceSearchResultCallback) {}
+
+  @Override
+  public void openSettings() {}
+
+  @Override
+  public void sendFeedback() {}
+}