1 files changed, 136 insertions, 0 deletions
diff --git a/java/com/android/dialer/main/impl/BottomNavBar.java b/java/com/android/dialer/main/impl/BottomNavBar.java
new file mode 100644
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+++ b/java/com/android/dialer/main/impl/BottomNavBar.java
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+/*
+ * Copyright (C) 2018 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.content.Context;
+import android.support.annotation.IntDef;
+import android.support.annotation.Nullable;
+import android.util.AttributeSet;
+import android.view.View;
+import android.widget.LinearLayout;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+
+/** Dialer Bottom Nav Bar for {@link MainActivity}. */
+final class BottomNavBar extends LinearLayout {
+
+  /** Index for each tab in the bottom nav. */
+  @Retention(RetentionPolicy.SOURCE)
+  @IntDef({
+    TabIndex.SPEED_DIAL,
+    TabIndex.HISTORY,
+    TabIndex.CONTACTS,
+    TabIndex.VOICEMAIL,
+  })
+  public @interface TabIndex {
+    int SPEED_DIAL = 0;
+    int HISTORY = 1;
+    int CONTACTS = 2;
+    int VOICEMAIL = 3;
+  }
+
+  private BottomNavItem speedDial;
+  private BottomNavItem callLog;
+  private BottomNavItem contacts;
+  private BottomNavItem voicemail;
+  private OnBottomNavTabSelectedListener listener;
+
+  public BottomNavBar(Context context, @Nullable AttributeSet attrs) {
+    super(context, attrs);
+  }
+
+  @Override
+  protected void onFinishInflate() {
+    super.onFinishInflate();
+    speedDial = findViewById(R.id.speed_dial_tab);
+    callLog = findViewById(R.id.call_log_tab);
+    contacts = findViewById(R.id.contacts_tab);
+    voicemail = findViewById(R.id.voicemail_tab);
+
+    speedDial.setup(R.string.tab_title_speed_dial, R.drawable.quantum_ic_star_vd_theme_24);
+    callLog.setup(R.string.tab_title_call_history, R.drawable.quantum_ic_history_vd_theme_24);
+    contacts.setup(R.string.tab_title_contacts, R.drawable.quantum_ic_people_vd_theme_24);
+    voicemail.setup(R.string.tab_title_voicemail, R.drawable.quantum_ic_voicemail_vd_theme_24);
+
+    speedDial.setOnClickListener(
+        v -> {
+          setSelected(speedDial);
+          listener.onSpeedDialSelected();
+        });
+    callLog.setOnClickListener(
+        v -> {
+          setSelected(callLog);
+          listener.onCallLogSelected();
+        });
+    contacts.setOnClickListener(
+        v -> {
+          setSelected(contacts);
+          listener.onContactsSelected();
+        });
+    voicemail.setOnClickListener(
+        v -> {
+          setSelected(voicemail);
+          listener.onVoicemailSelected();
+        });
+  }
+
+  private void setSelected(View view) {
+    speedDial.setSelected(view == speedDial);
+    callLog.setSelected(view == callLog);
+    contacts.setSelected(view == contacts);
+    voicemail.setSelected(view == voicemail);
+  }
+
+  /**
+   * Calls {@link View#performClick()} on the desired tab.
+   *
+   * @param tab {@link TabIndex}
+   */
+  void selectTab(@TabIndex int tab) {
+    if (tab == TabIndex.SPEED_DIAL) {
+      speedDial.performClick();
+    } else if (tab == TabIndex.HISTORY) {
+      callLog.performClick();
+    } else if (tab == TabIndex.CONTACTS) {
+      contacts.performClick();
+    } else if (tab == TabIndex.VOICEMAIL) {
+      voicemail.performClick();
+    } else {
+      throw new IllegalStateException("Invalid tab: " + tab);
+    }
+  }
+
+  void setOnTabSelectedListener(OnBottomNavTabSelectedListener listener) {
+    this.listener = listener;
+  }
+
+  /** Listener for bottom nav tab's on click events. */
+  public interface OnBottomNavTabSelectedListener {
+
+    /** Speed dial tab was clicked. */
+    void onSpeedDialSelected();
+
+    /** Call Log tab was clicked. */
+    void onCallLogSelected();
+
+    /** Contacts tab was clicked. */
+    void onContactsSelected();
+
+    /** Voicemail tab was clicked. */
+    void onVoicemailSelected();
+  }
+}