| /* |
| * Copyright (C) 2015 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.systemui.qs; |
| |
| import android.content.Context; |
| import android.content.res.TypedArray; |
| import android.graphics.drawable.Drawable; |
| import android.graphics.drawable.RippleDrawable; |
| import android.os.Handler; |
| import android.os.Looper; |
| import android.os.Message; |
| import android.text.TextUtils; |
| import android.view.View; |
| import android.view.accessibility.AccessibilityEvent; |
| import android.view.accessibility.AccessibilityNodeInfo; |
| import android.widget.LinearLayout; |
| import android.widget.Switch; |
| |
| import com.android.systemui.R; |
| |
| public class QSTileBaseView extends LinearLayout { |
| |
| private final H mHandler = new H(); |
| private QSIconView mIcon; |
| private RippleDrawable mRipple; |
| private Drawable mTileBackground; |
| private String mAccessibilityClass; |
| private boolean mTileState; |
| private boolean mCollapsedView; |
| |
| public QSTileBaseView(Context context, QSIconView icon) { |
| this(context, icon, false); |
| } |
| |
| public QSTileBaseView(Context context, QSIconView icon, boolean collapsedView) { |
| super(context); |
| mIcon = icon; |
| addView(mIcon); |
| |
| mTileBackground = newTileBackground(); |
| if (mTileBackground instanceof RippleDrawable) { |
| setRipple((RippleDrawable) mTileBackground); |
| } |
| setImportantForAccessibility(View.IMPORTANT_FOR_ACCESSIBILITY_YES); |
| setBackground(mTileBackground); |
| |
| // Default to Quick Tile padding, and QSTileView will specify its own padding. |
| int padding = context.getResources().getDimensionPixelSize(R.dimen.qs_quick_tile_padding); |
| setPadding(0, padding, 0, padding); |
| setClipChildren(false); |
| setClipToPadding(false); |
| mCollapsedView = collapsedView; |
| } |
| |
| private Drawable newTileBackground() { |
| final int[] attrs = new int[] { android.R.attr.selectableItemBackgroundBorderless }; |
| final TypedArray ta = mContext.obtainStyledAttributes(attrs); |
| final Drawable d = ta.getDrawable(0); |
| ta.recycle(); |
| return d; |
| } |
| |
| private void setRipple(RippleDrawable tileBackground) { |
| mRipple = tileBackground; |
| if (getWidth() != 0) { |
| updateRippleSize(getWidth(), getHeight()); |
| } |
| } |
| |
| private void updateRippleSize(int width, int height) { |
| // center the touch feedback on the center of the icon, and dial it down a bit |
| final int cx = width / 2; |
| final int cy = height / 2; |
| final int rad = (int)(mIcon.getHeight() * .85f); |
| mRipple.setHotspotBounds(cx - rad, cy - rad, cx + rad, cy + rad); |
| } |
| |
| public void init(OnClickListener click, OnLongClickListener longClick) { |
| setClickable(true); |
| setOnClickListener(click); |
| setOnLongClickListener(longClick); |
| } |
| |
| @Override |
| protected void onLayout(boolean changed, int l, int t, int r, int b) { |
| super.onLayout(changed, l, t, r, b); |
| final int w = getMeasuredWidth(); |
| final int h = getMeasuredHeight(); |
| |
| if (mRipple != null) { |
| updateRippleSize(w, h); |
| } |
| } |
| |
| @Override |
| public boolean hasOverlappingRendering() { |
| // Avoid layers for this layout - we don't need them. |
| return false; |
| } |
| |
| /** |
| * Update the accessibility order for this view. |
| * |
| * @param previousView the view which should be before this one |
| * @return the last view in this view which is accessible |
| */ |
| public View updateAccessibilityOrder(View previousView) { |
| setAccessibilityTraversalAfter(previousView.getId()); |
| return this; |
| } |
| |
| public void onStateChanged(QSTile.State state) { |
| mHandler.obtainMessage(H.STATE_CHANGED, state).sendToTarget(); |
| } |
| |
| protected void handleStateChanged(QSTile.State state) { |
| mIcon.setIcon(state); |
| if (mCollapsedView && !TextUtils.isEmpty(state.minimalContentDescription)) { |
| setContentDescription(state.minimalContentDescription); |
| } else { |
| setContentDescription(state.contentDescription); |
| } |
| if (mCollapsedView) { |
| mAccessibilityClass = state.minimalAccessibilityClassName; |
| } else { |
| mAccessibilityClass = state.expandedAccessibilityClassName; |
| } |
| if (state instanceof QSTile.BooleanState) { |
| mTileState = ((QSTile.BooleanState) state).value; |
| } |
| } |
| |
| public QSIconView getIcon() { |
| return mIcon; |
| } |
| |
| @Override |
| public void onInitializeAccessibilityEvent(AccessibilityEvent event) { |
| super.onInitializeAccessibilityEvent(event); |
| if (!TextUtils.isEmpty(mAccessibilityClass)) { |
| event.setClassName(mAccessibilityClass); |
| if (Switch.class.getName().equals(mAccessibilityClass)) { |
| String label = getResources() |
| .getString(!mTileState ? R.string.switch_bar_on : R.string.switch_bar_off); |
| event.setContentDescription(label); |
| event.setChecked(!mTileState); |
| } |
| } |
| } |
| |
| @Override |
| public void onInitializeAccessibilityNodeInfo(AccessibilityNodeInfo info) { |
| super.onInitializeAccessibilityNodeInfo(info); |
| if (!TextUtils.isEmpty(mAccessibilityClass)) { |
| info.setClassName(mAccessibilityClass); |
| if (Switch.class.getName().equals(mAccessibilityClass)) { |
| String label = getResources() |
| .getString(mTileState ? R.string.switch_bar_on : R.string.switch_bar_off); |
| info.setText(label); |
| info.setChecked(mTileState); |
| info.setCheckable(true); |
| } |
| } |
| } |
| |
| private class H extends Handler { |
| private static final int STATE_CHANGED = 1; |
| public H() { |
| super(Looper.getMainLooper()); |
| } |
| |
| @Override |
| public void handleMessage(Message msg) { |
| if (msg.what == STATE_CHANGED) { |
| handleStateChanged((QSTile.State) msg.obj); |
| } |
| } |
| } |
| } |