/*
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* Copyright (C) 2016 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.launcher3.shortcuts;
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import android.content.Context;
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import android.content.res.Resources;
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import android.graphics.Canvas;
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import android.graphics.Rect;
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import android.graphics.drawable.Drawable;
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import android.text.TextUtils;
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import android.util.AttributeSet;
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import android.view.MotionEvent;
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import android.widget.Toast;
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import com.android.launcher3.BubbleTextView;
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import com.android.launcher3.R;
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import com.android.launcher3.Utilities;
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/**
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* A {@link BubbleTextView} that has the shortcut icon on the left and drag handle on the right.
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*/
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public class DeepShortcutTextView extends BubbleTextView {
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private final Rect mDragHandleBounds = new Rect();
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private final int mDragHandleWidth;
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private boolean mShowInstructionToast = false;
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private Toast mInstructionToast;
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private boolean mShowLoadingState;
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private Drawable mLoadingStatePlaceholder;
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private final Rect mLoadingStateBounds = new Rect();
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public DeepShortcutTextView(Context context) {
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this(context, null, 0);
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}
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public DeepShortcutTextView(Context context, AttributeSet attrs) {
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this(context, attrs, 0);
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}
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public DeepShortcutTextView(Context context, AttributeSet attrs, int defStyle) {
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super(context, attrs, defStyle);
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Resources resources = getResources();
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mDragHandleWidth = resources.getDimensionPixelSize(R.dimen.popup_padding_end)
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+ resources.getDimensionPixelSize(R.dimen.deep_shortcut_drag_handle_size)
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+ resources.getDimensionPixelSize(R.dimen.deep_shortcut_drawable_padding) / 2;
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showLoadingState(true);
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}
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@Override
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protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
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super.onMeasure(widthMeasureSpec, heightMeasureSpec);
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mDragHandleBounds.set(0, 0, mDragHandleWidth, getMeasuredHeight());
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if (!Utilities.isRtl(getResources())) {
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mDragHandleBounds.offset(getMeasuredWidth() - mDragHandleBounds.width(), 0);
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}
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setLoadingBounds();
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}
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private void setLoadingBounds() {
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if (mLoadingStatePlaceholder == null) {
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return;
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}
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mLoadingStateBounds.set(
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0,
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0,
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getMeasuredWidth() - mDragHandleWidth - getPaddingStart(),
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mLoadingStatePlaceholder.getIntrinsicHeight());
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mLoadingStateBounds.offset(
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Utilities.isRtl(getResources()) ? mDragHandleWidth : getPaddingStart(),
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(int) ((getMeasuredHeight() - mLoadingStatePlaceholder.getIntrinsicHeight())
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/ 2.0f)
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);
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mLoadingStatePlaceholder.setBounds(mLoadingStateBounds);
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}
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@Override
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protected void applyCompoundDrawables(Drawable icon) {
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// The icon is drawn in a separate view.
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}
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@Override
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public void setText(CharSequence text, BufferType type) {
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super.setText(text, type);
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if (!TextUtils.isEmpty(text)) {
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showLoadingState(false);
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}
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}
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@Override
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public boolean onTouchEvent(MotionEvent ev) {
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if (ev.getAction() == MotionEvent.ACTION_DOWN) {
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// Show toast if user touches the drag handle (long clicks still start the drag).
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mShowInstructionToast = mDragHandleBounds.contains((int) ev.getX(), (int) ev.getY());
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}
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return super.onTouchEvent(ev);
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}
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@Override
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public boolean performClick() {
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if (mShowInstructionToast) {
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showToast();
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return true;
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}
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return super.performClick();
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}
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@Override
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public void onDraw(Canvas canvas) {
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if (!mShowLoadingState) {
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super.onDraw(canvas);
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return;
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}
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mLoadingStatePlaceholder.draw(canvas);
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}
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private void showLoadingState(boolean loading) {
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if (loading == mShowLoadingState) {
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return;
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}
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mShowLoadingState = loading;
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if (loading) {
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mLoadingStatePlaceholder = getContext().getDrawable(
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R.drawable.deep_shortcuts_text_placeholder);
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setLoadingBounds();
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} else {
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mLoadingStatePlaceholder = null;
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}
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invalidate();
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}
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private void showToast() {
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if (mInstructionToast != null) {
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mInstructionToast.cancel();
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}
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CharSequence msg = Utilities.wrapForTts(
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getContext().getText(R.string.long_press_shortcut_to_add),
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getContext().getString(R.string.long_accessible_way_to_add_shortcut));
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mInstructionToast = Toast.makeText(getContext(), msg, Toast.LENGTH_SHORT);
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mInstructionToast.show();
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}
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}
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