New keyguard slice data structure
Using androidx package and new API, also splitting content into
multiple views for better animation support.
Bug: 64155983
Test: visual, see data from provider propagate to AoD
Change-Id: I74b5511d582e7ec1f6ffe5dbc5595f54b9ccb202
diff --git a/packages/SystemUI/src/com/android/keyguard/KeyguardSliceView.java b/packages/SystemUI/src/com/android/keyguard/KeyguardSliceView.java
index cb3d59c..b9bf80d 100644
--- a/packages/SystemUI/src/com/android/keyguard/KeyguardSliceView.java
+++ b/packages/SystemUI/src/com/android/keyguard/KeyguardSliceView.java
@@ -17,38 +17,56 @@
package com.android.keyguard;
import android.app.PendingIntent;
-import android.app.slice.Slice;
-import android.app.slice.SliceItem;
-import android.app.slice.SliceQuery;
+import android.arch.lifecycle.LiveData;
+import android.arch.lifecycle.Observer;
import android.content.Context;
-import android.database.ContentObserver;
+import android.graphics.Canvas;
import android.graphics.Color;
+import android.graphics.Paint;
+import android.graphics.drawable.Drawable;
import android.net.Uri;
-import android.os.Handler;
+import android.provider.Settings;
import android.util.AttributeSet;
+import android.util.Log;
+import android.view.View;
+import android.widget.Button;
import android.widget.LinearLayout;
import android.widget.TextView;
import com.android.internal.graphics.ColorUtils;
+import com.android.settingslib.Utils;
+import com.android.systemui.Dependency;
import com.android.systemui.R;
import com.android.systemui.keyguard.KeyguardSliceProvider;
+import com.android.systemui.tuner.TunerService;
-import java.util.Collections;
+import java.util.HashMap;
+import java.util.List;
+import java.util.function.Consumer;
+
+import androidx.app.slice.Slice;
+import androidx.app.slice.SliceItem;
+import androidx.app.slice.core.SliceQuery;
+import androidx.app.slice.widget.SliceLiveData;
/**
* View visible under the clock on the lock screen and AoD.
*/
-public class KeyguardSliceView extends LinearLayout {
+public class KeyguardSliceView extends LinearLayout implements View.OnClickListener,
+ Observer<Slice>, TunerService.Tunable {
- private final Uri mKeyguardSliceUri;
+ private static final String TAG = "KeyguardSliceView";
+ private final HashMap<View, PendingIntent> mClickActions;
+ private Uri mKeyguardSliceUri;
private TextView mTitle;
- private TextView mText;
- private Slice mSlice;
- private PendingIntent mSliceAction;
+ private LinearLayout mRow;
private int mTextColor;
private float mDarkAmount = 0;
- private final ContentObserver mObserver;
+ private LiveData<Slice> mLiveData;
+ private int mIconSize;
+ private Consumer<Boolean> mListener;
+ private boolean mHasHeader;
public KeyguardSliceView(Context context) {
this(context, null, 0);
@@ -60,16 +78,20 @@
public KeyguardSliceView(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
- mObserver = new KeyguardSliceObserver(new Handler());
- mKeyguardSliceUri = Uri.parse(KeyguardSliceProvider.KEYGUARD_SLICE_URI);;
+
+ TunerService tunerService = Dependency.get(TunerService.class);
+ tunerService.addTunable(this, Settings.Secure.KEYGUARD_SLICE_URI);
+
+ mClickActions = new HashMap<>();
}
@Override
protected void onFinishInflate() {
super.onFinishInflate();
mTitle = findViewById(R.id.title);
- mText = findViewById(R.id.text);
- mTextColor = mTitle.getCurrentTextColor();
+ mRow = findViewById(R.id.row);
+ mTextColor = Utils.getColorAttr(mContext, R.attr.wallpaperTextColor);
+ mIconSize = (int) mContext.getResources().getDimension(R.dimen.widget_icon_size);
}
@Override
@@ -77,57 +99,103 @@
super.onAttachedToWindow();
// Set initial content
- showSlice(Slice.bindSlice(getContext().getContentResolver(), mKeyguardSliceUri,
- Collections.emptyList()));
+ showSlice(Slice.bindSlice(getContext(), mKeyguardSliceUri));
// Make sure we always have the most current slice
- getContext().getContentResolver().registerContentObserver(mKeyguardSliceUri,
- false /* notifyDescendants */, mObserver);
+ mLiveData.observeForever(this);
}
@Override
protected void onDetachedFromWindow() {
super.onDetachedFromWindow();
- getContext().getContentResolver().unregisterContentObserver(mObserver);
+ mLiveData.removeObserver(this);
}
private void showSlice(Slice slice) {
- // Items will be wrapped into an action when they have tap targets.
- SliceItem actionSlice = SliceQuery.find(slice, SliceItem.FORMAT_ACTION);
- if (actionSlice != null) {
- mSlice = actionSlice.getSlice();
- mSliceAction = actionSlice.getAction();
- } else {
- mSlice = slice;
- mSliceAction = null;
- }
- if (mSlice == null) {
- setVisibility(GONE);
- return;
- }
+ // Main area
+ SliceItem mainItem = SliceQuery.find(slice, android.app.slice.SliceItem.FORMAT_SLICE,
+ null /* hints */, new String[]{android.app.slice.Slice.HINT_LIST_ITEM});
+ mHasHeader = mainItem != null;
- SliceItem title = SliceQuery.find(mSlice, SliceItem.FORMAT_TEXT, Slice.HINT_TITLE, null);
- if (title == null) {
+ List<SliceItem> subItems = SliceQuery.findAll(slice,
+ android.app.slice.SliceItem.FORMAT_SLICE,
+ new String[]{android.app.slice.Slice.HINT_LIST_ITEM},
+ null /* nonHints */);
+
+ if (!mHasHeader) {
mTitle.setVisibility(GONE);
} else {
mTitle.setVisibility(VISIBLE);
- mTitle.setText(title.getText());
+ SliceItem mainTitle = SliceQuery.find(mainItem.getSlice(),
+ android.app.slice.SliceItem.FORMAT_TEXT,
+ new String[]{android.app.slice.Slice.HINT_TITLE},
+ null /* nonHints */);
+ mTitle.setText(mainTitle.getText());
}
- SliceItem text = SliceQuery.find(mSlice, SliceItem.FORMAT_TEXT, null, Slice.HINT_TITLE);
- if (text == null) {
- mText.setVisibility(GONE);
- } else {
- mText.setVisibility(VISIBLE);
- mText.setText(text.getText());
+ mClickActions.clear();
+ final int subItemsCount = subItems.size();
+
+ for (int i = 0; i < subItemsCount; i++) {
+ SliceItem item = subItems.get(i);
+ final Uri itemTag = item.getSlice().getUri();
+ // Try to reuse the view if already exists in the layout
+ KeyguardSliceButton button = mRow.findViewWithTag(itemTag);
+ if (button == null) {
+ button = new KeyguardSliceButton(mContext);
+ button.setTextColor(mTextColor);
+ button.setTag(itemTag);
+ } else {
+ mRow.removeView(button);
+ }
+ button.setHasDivider(i < subItemsCount - 1);
+ mRow.addView(button, i);
+
+ PendingIntent pendingIntent;
+ try {
+ pendingIntent = item.getAction();
+ } catch (RuntimeException e) {
+ Log.w(TAG, "Cannot retrieve action from keyguard slice", e);
+ pendingIntent = null;
+ }
+ mClickActions.put(button, pendingIntent);
+
+ SliceItem title = SliceQuery.find(item.getSlice(),
+ android.app.slice.SliceItem.FORMAT_TEXT,
+ new String[]{android.app.slice.Slice.HINT_TITLE},
+ null /* nonHints */);
+ button.setText(title.getText());
+
+ Drawable iconDrawable = null;
+ SliceItem icon = SliceQuery.find(item.getSlice(),
+ android.app.slice.SliceItem.FORMAT_IMAGE);
+ if (icon != null) {
+ iconDrawable = icon.getIcon().loadDrawable(mContext);
+ final int width = (int) (iconDrawable.getIntrinsicWidth()
+ / (float) iconDrawable.getIntrinsicHeight() * mIconSize);
+ iconDrawable.setBounds(0, 0, Math.max(width, 1), mIconSize);
+ }
+ button.setCompoundDrawablesRelative(iconDrawable, null, null, null);
+ button.setOnClickListener(this);
}
- final int visibility = title == null && text == null ? GONE : VISIBLE;
+ // Removing old views
+ for (int i = 0; i < mRow.getChildCount(); i++) {
+ View child = mRow.getChildAt(i);
+ if (!mClickActions.containsKey(child)) {
+ mRow.removeView(child);
+ i--;
+ }
+ }
+
+ final int visibility = mHasHeader || subItemsCount > 0 ? VISIBLE : GONE;
if (visibility != getVisibility()) {
setVisibility(visibility);
}
+
+ mListener.accept(mHasHeader);
}
public void setDark(float darkAmount) {
@@ -135,30 +203,113 @@
updateTextColors();
}
- public void setTextColor(int textColor) {
- mTextColor = textColor;
- }
-
private void updateTextColors() {
final int blendedColor = ColorUtils.blendARGB(mTextColor, Color.WHITE, mDarkAmount);
mTitle.setTextColor(blendedColor);
- mText.setTextColor(blendedColor);
+ int childCount = mRow.getChildCount();
+ for (int i = 0; i < childCount; i++) {
+ View v = mRow.getChildAt(i);
+ if (v instanceof Button) {
+ ((Button) v).setTextColor(blendedColor);
+ }
+ }
}
- private class KeyguardSliceObserver extends ContentObserver {
- KeyguardSliceObserver(Handler handler) {
- super(handler);
+ @Override
+ public void onClick(View v) {
+ final PendingIntent action = mClickActions.get(v);
+ if (action != null) {
+ try {
+ action.send();
+ } catch (PendingIntent.CanceledException e) {
+ Log.i(TAG, "Pending intent cancelled, nothing to launch", e);
+ }
+ }
+ }
+
+ public void setListener(Consumer<Boolean> listener) {
+ mListener = listener;
+ }
+
+ public boolean hasHeader() {
+ return mHasHeader;
+ }
+
+ /**
+ * LiveData observer lifecycle.
+ * @param slice the new slice content.
+ */
+ @Override
+ public void onChanged(Slice slice) {
+ showSlice(slice);
+ }
+
+ @Override
+ public void onTuningChanged(String key, String newValue) {
+ setupUri(newValue);
+ }
+
+ public void setupUri(String uriString) {
+ if (uriString == null) {
+ uriString = KeyguardSliceProvider.KEYGUARD_SLICE_URI;
+ }
+
+ boolean wasObserving = false;
+ if (mLiveData != null && mLiveData.hasActiveObservers()) {
+ wasObserving = true;
+ mLiveData.removeObserver(this);
+ }
+
+ mKeyguardSliceUri = Uri.parse(uriString);
+ mLiveData = SliceLiveData.fromUri(mContext, mKeyguardSliceUri);
+
+ if (wasObserving) {
+ mLiveData.observeForever(this);
+ showSlice(Slice.bindSlice(getContext(), mKeyguardSliceUri));
+ }
+ }
+
+ /**
+ * Representation of an item that appears under the clock on main keyguard message.
+ * Shows optional separator.
+ */
+ private class KeyguardSliceButton extends Button {
+
+ private final Paint mPaint;
+ private boolean mHasDivider;
+
+ public KeyguardSliceButton(Context context) {
+ super(context, null /* attrs */,
+ com.android.keyguard.R.style.TextAppearance_Keyguard_Secondary);
+ mPaint = new Paint();
+ mPaint.setStyle(Paint.Style.STROKE);
+ float dividerWidth = context.getResources()
+ .getDimension(R.dimen.widget_separator_thickness);
+ mPaint.setStrokeWidth(dividerWidth);
+ int horizontalPadding = (int) context.getResources()
+ .getDimension(R.dimen.widget_horizontal_padding);
+ setPadding(horizontalPadding, 0, horizontalPadding, 0);
+ setCompoundDrawablePadding((int) context.getResources()
+ .getDimension(R.dimen.widget_icon_padding));
+ }
+
+ public void setHasDivider(boolean hasDivider) {
+ mHasDivider = hasDivider;
}
@Override
- public void onChange(boolean selfChange) {
- this.onChange(selfChange, null);
+ public void setTextColor(int color) {
+ super.setTextColor(color);
+ mPaint.setColor(color);
}
@Override
- public void onChange(boolean selfChange, Uri uri) {
- showSlice(Slice.bindSlice(getContext().getContentResolver(), mKeyguardSliceUri,
- Collections.emptyList()));
+ protected void onDraw(Canvas canvas) {
+ super.onDraw(canvas);
+ if (mHasDivider) {
+ final int lineX = getLayoutDirection() == LAYOUT_DIRECTION_RTL ? 0 : getWidth();
+ canvas.drawLine(lineX, 0, lineX, getHeight(), mPaint);
+ }
}
}
}