diff options
author | Treehugger Robot <treehugger-gerrit@google.com> | 2017-10-24 22:41:00 +0000 |
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committer | Gerrit Code Review <noreply-gerritcodereview@google.com> | 2017-10-24 22:41:00 +0000 |
commit | daa1c44c00f3c598223639c9b80a52cf41db51ba (patch) | |
tree | e4c88a1862b157dc858abe73e52b077bf7b96948 /java/com/android/newbubble/NewCheckableButton.java | |
parent | ef7338cf787301c573fde8129bf8880d7faba040 (diff) | |
parent | 938468da6f5c225ebb161a68bd949c9cf3261892 (diff) |
Merge "Rename the new bubble package name from "bubble" to "newbubble"."
Diffstat (limited to 'java/com/android/newbubble/NewCheckableButton.java')
-rw-r--r-- | java/com/android/newbubble/NewCheckableButton.java | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/java/com/android/newbubble/NewCheckableButton.java b/java/com/android/newbubble/NewCheckableButton.java new file mode 100644 index 000000000..63525a4a1 --- /dev/null +++ b/java/com/android/newbubble/NewCheckableButton.java @@ -0,0 +1,87 @@ +/* + * 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.newbubble; + +import android.content.Context; +import android.support.v4.view.AccessibilityDelegateCompat; +import android.support.v4.view.ViewCompat; +import android.support.v4.view.accessibility.AccessibilityNodeInfoCompat; +import android.support.v7.widget.AppCompatButton; +import android.util.AttributeSet; +import android.view.View; +import android.view.accessibility.AccessibilityEvent; +import android.widget.Checkable; + +/** + * A {@link android.widget.Button Button} that implements {@link Checkable} and propagates the + * checkable state + */ +public class NewCheckableButton extends AppCompatButton implements Checkable { + + private boolean mChecked; + + public NewCheckableButton(Context context) { + this(context, null); + } + + public NewCheckableButton(Context context, AttributeSet attrs) { + this(context, attrs, android.R.attr.imageButtonStyle); + } + + public NewCheckableButton(Context context, AttributeSet attrs, int defStyleAttr) { + super(context, attrs, defStyleAttr); + + ViewCompat.setAccessibilityDelegate( + this, + new AccessibilityDelegateCompat() { + @Override + public void onInitializeAccessibilityEvent(View host, AccessibilityEvent event) { + super.onInitializeAccessibilityEvent(host, event); + event.setChecked(isChecked()); + } + + @Override + public void onInitializeAccessibilityNodeInfo( + View host, AccessibilityNodeInfoCompat info) { + super.onInitializeAccessibilityNodeInfo(host, info); + info.setCheckable(true); + info.setChecked(isChecked()); + } + }); + } + + @Override + public void setChecked(boolean checked) { + if (mChecked != checked) { + mChecked = checked; + setTextColor( + checked + ? getContext().getColor(R.color.bubble_button_text_color_blue) + : getContext().getColor(R.color.bubble_button_text_color_black)); + } + } + + @Override + public boolean isChecked() { + return mChecked; + } + + @Override + public void toggle() { + setChecked(!mChecked); + } +} |