| /* |
| * 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.keyguard; |
| |
| import static android.app.slice.Slice.HINT_LIST_ITEM; |
| |
| import android.animation.LayoutTransition; |
| import android.animation.ObjectAnimator; |
| import android.animation.PropertyValuesHolder; |
| import android.annotation.ColorInt; |
| import android.app.PendingIntent; |
| import androidx.lifecycle.LiveData; |
| import androidx.lifecycle.Observer; |
| import android.content.Context; |
| import android.graphics.Color; |
| import android.graphics.drawable.Drawable; |
| import android.net.Uri; |
| import android.os.Trace; |
| import android.provider.Settings; |
| import android.text.Layout; |
| import android.text.TextUtils; |
| import android.text.TextUtils.TruncateAt; |
| import android.util.AttributeSet; |
| import android.util.Log; |
| import android.view.View; |
| import android.view.ViewGroup; |
| import android.view.animation.Animation; |
| import android.widget.Button; |
| import android.widget.LinearLayout; |
| import android.widget.TextView; |
| |
| import com.android.internal.annotations.VisibleForTesting; |
| import com.android.internal.graphics.ColorUtils; |
| import com.android.settingslib.Utils; |
| import com.android.systemui.Dependency; |
| import com.android.systemui.Interpolators; |
| import com.android.systemui.R; |
| import com.android.systemui.keyguard.KeyguardSliceProvider; |
| import com.android.systemui.statusbar.AlphaOptimizedTextView; |
| import com.android.systemui.statusbar.policy.ConfigurationController; |
| import com.android.systemui.tuner.TunerService; |
| import com.android.systemui.util.wakelock.KeepAwakeAnimationListener; |
| |
| import java.util.ArrayList; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.function.Consumer; |
| |
| import androidx.slice.Slice; |
| import androidx.slice.SliceItem; |
| import androidx.slice.SliceViewManager; |
| import androidx.slice.core.SliceQuery; |
| import androidx.slice.widget.ListContent; |
| import androidx.slice.widget.RowContent; |
| import androidx.slice.widget.SliceContent; |
| import androidx.slice.widget.SliceLiveData; |
| |
| /** |
| * View visible under the clock on the lock screen and AoD. |
| */ |
| public class KeyguardSliceView extends LinearLayout implements View.OnClickListener, |
| Observer<Slice>, TunerService.Tunable, ConfigurationController.ConfigurationListener { |
| |
| private static final String TAG = "KeyguardSliceView"; |
| public static final int DEFAULT_ANIM_DURATION = 550; |
| |
| private final HashMap<View, PendingIntent> mClickActions; |
| private Uri mKeyguardSliceUri; |
| @VisibleForTesting |
| TextView mTitle; |
| private Row mRow; |
| private int mTextColor; |
| private float mDarkAmount = 0; |
| |
| private LiveData<Slice> mLiveData; |
| private int mIconSize; |
| /** |
| * Runnable called whenever the view contents change. |
| */ |
| private Runnable mContentChangeListener; |
| private boolean mHasHeader; |
| private Slice mSlice; |
| private boolean mPulsing; |
| |
| public KeyguardSliceView(Context context) { |
| this(context, null, 0); |
| } |
| |
| public KeyguardSliceView(Context context, AttributeSet attrs) { |
| this(context, attrs, 0); |
| } |
| |
| public KeyguardSliceView(Context context, AttributeSet attrs, int defStyle) { |
| super(context, attrs, defStyle); |
| |
| TunerService tunerService = Dependency.get(TunerService.class); |
| tunerService.addTunable(this, Settings.Secure.KEYGUARD_SLICE_URI); |
| |
| mClickActions = new HashMap<>(); |
| |
| LayoutTransition transition = new LayoutTransition(); |
| transition.setStagger(LayoutTransition.CHANGE_APPEARING, DEFAULT_ANIM_DURATION / 2); |
| transition.setDuration(LayoutTransition.APPEARING, DEFAULT_ANIM_DURATION); |
| transition.setDuration(LayoutTransition.DISAPPEARING, DEFAULT_ANIM_DURATION / 2); |
| transition.disableTransitionType(LayoutTransition.CHANGE_APPEARING); |
| transition.disableTransitionType(LayoutTransition.CHANGE_DISAPPEARING); |
| transition.setInterpolator(LayoutTransition.APPEARING, Interpolators.FAST_OUT_SLOW_IN); |
| transition.setInterpolator(LayoutTransition.DISAPPEARING, Interpolators.ALPHA_OUT); |
| transition.setAnimateParentHierarchy(false); |
| transition.addTransitionListener(new SliceViewTransitionListener()); |
| setLayoutTransition(transition); |
| } |
| |
| @Override |
| protected void onFinishInflate() { |
| super.onFinishInflate(); |
| mTitle = findViewById(R.id.title); |
| mRow = findViewById(R.id.row); |
| mTextColor = Utils.getColorAttrDefaultColor(mContext, R.attr.wallpaperTextColor); |
| mIconSize = (int) mContext.getResources().getDimension(R.dimen.widget_icon_size); |
| } |
| |
| @Override |
| protected void onAttachedToWindow() { |
| super.onAttachedToWindow(); |
| |
| // Make sure we always have the most current slice |
| mLiveData.observeForever(this); |
| Dependency.get(ConfigurationController.class).addCallback(this); |
| } |
| |
| @Override |
| protected void onDetachedFromWindow() { |
| super.onDetachedFromWindow(); |
| |
| mLiveData.removeObserver(this); |
| Dependency.get(ConfigurationController.class).removeCallback(this); |
| } |
| |
| private void showSlice() { |
| Trace.beginSection("KeyguardSliceView#showSlice"); |
| if (mPulsing || mSlice == null) { |
| mTitle.setVisibility(GONE); |
| mRow.setVisibility(GONE); |
| if (mContentChangeListener != null) { |
| mContentChangeListener.run(); |
| } |
| return; |
| } |
| |
| ListContent lc = new ListContent(getContext(), mSlice); |
| SliceContent headerContent = lc.getHeader(); |
| mHasHeader = headerContent != null && !headerContent.getSliceItem().hasHint(HINT_LIST_ITEM); |
| List<SliceContent> subItems = new ArrayList<SliceContent>(); |
| for (int i = 0; i < lc.getRowItems().size(); i++) { |
| SliceContent subItem = lc.getRowItems().get(i); |
| String itemUri = subItem.getSliceItem().getSlice().getUri().toString(); |
| // Filter out the action row |
| if (!KeyguardSliceProvider.KEYGUARD_ACTION_URI.equals(itemUri)) { |
| subItems.add(subItem); |
| } |
| } |
| if (!mHasHeader) { |
| mTitle.setVisibility(GONE); |
| } else { |
| mTitle.setVisibility(VISIBLE); |
| |
| RowContent header = lc.getHeader(); |
| SliceItem mainTitle = header.getTitleItem(); |
| CharSequence title = mainTitle != null ? mainTitle.getText() : null; |
| mTitle.setText(title); |
| } |
| |
| mClickActions.clear(); |
| final int subItemsCount = subItems.size(); |
| final int blendedColor = getTextColor(); |
| final int startIndex = mHasHeader ? 1 : 0; // First item is header; skip it |
| mRow.setVisibility(subItemsCount > 0 ? VISIBLE : GONE); |
| for (int i = startIndex; i < subItemsCount; i++) { |
| RowContent rc = (RowContent) subItems.get(i); |
| SliceItem item = rc.getSliceItem(); |
| 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(blendedColor); |
| button.setTag(itemTag); |
| final int viewIndex = i - (mHasHeader ? 1 : 0); |
| mRow.addView(button, viewIndex); |
| } |
| |
| PendingIntent pendingIntent = null; |
| if (rc.getPrimaryAction() != null) { |
| pendingIntent = rc.getPrimaryAction().getAction(); |
| } |
| mClickActions.put(button, pendingIntent); |
| |
| final SliceItem titleItem = rc.getTitleItem(); |
| button.setText(titleItem == null ? null : titleItem.getText()); |
| button.setContentDescription(rc.getContentDescription()); |
| |
| 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.setCompoundDrawables(iconDrawable, null, null, null); |
| button.setOnClickListener(this); |
| button.setClickable(pendingIntent != null); |
| } |
| |
| // Removing old views |
| for (int i = 0; i < mRow.getChildCount(); i++) { |
| View child = mRow.getChildAt(i); |
| if (!mClickActions.containsKey(child)) { |
| mRow.removeView(child); |
| i--; |
| } |
| } |
| |
| if (mContentChangeListener != null) { |
| mContentChangeListener.run(); |
| } |
| Trace.endSection(); |
| } |
| |
| public void setPulsing(boolean pulsing, boolean animate) { |
| mPulsing = pulsing; |
| LayoutTransition transition = getLayoutTransition(); |
| if (!animate) { |
| setLayoutTransition(null); |
| } |
| showSlice(); |
| if (!animate) { |
| setLayoutTransition(transition); |
| } |
| } |
| |
| /** |
| * Breaks a string in 2 lines where both have similar character count |
| * but first line is always longer. |
| * |
| * @param charSequence Original text. |
| * @return Optimal string. |
| */ |
| private static CharSequence findBestLineBreak(CharSequence charSequence) { |
| if (TextUtils.isEmpty(charSequence)) { |
| return charSequence; |
| } |
| |
| String source = charSequence.toString(); |
| // Ignore if there is only 1 word, |
| // or if line breaks were manually set. |
| if (source.contains("\n") || !source.contains(" ")) { |
| return source; |
| } |
| |
| final String[] words = source.split(" "); |
| final StringBuilder optimalString = new StringBuilder(source.length()); |
| int current = 0; |
| while (optimalString.length() < source.length() - optimalString.length()) { |
| optimalString.append(words[current]); |
| if (current < words.length - 1) { |
| optimalString.append(" "); |
| } |
| current++; |
| } |
| optimalString.append("\n"); |
| for (int i = current; i < words.length; i++) { |
| optimalString.append(words[i]); |
| if (current < words.length - 1) { |
| optimalString.append(" "); |
| } |
| } |
| |
| return optimalString.toString(); |
| } |
| |
| public void setDarkAmount(float darkAmount) { |
| mDarkAmount = darkAmount; |
| mRow.setDarkAmount(darkAmount); |
| updateTextColors(); |
| } |
| |
| private void updateTextColors() { |
| final int blendedColor = getTextColor(); |
| mTitle.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); |
| } |
| } |
| } |
| |
| @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); |
| } |
| } |
| } |
| |
| /** |
| * Runnable that gets invoked every time the title or the row visibility changes. |
| * @param contentChangeListener The listener. |
| */ |
| public void setContentChangeListener(Runnable contentChangeListener) { |
| mContentChangeListener = contentChangeListener; |
| } |
| |
| public boolean hasHeader() { |
| return mHasHeader; |
| } |
| |
| /** |
| * LiveData observer lifecycle. |
| * @param slice the new slice content. |
| */ |
| @Override |
| public void onChanged(Slice slice) { |
| mSlice = slice; |
| showSlice(); |
| } |
| |
| @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); |
| } |
| } |
| |
| @VisibleForTesting |
| int getTextColor() { |
| return ColorUtils.blendARGB(mTextColor, Color.WHITE, mDarkAmount); |
| } |
| |
| @VisibleForTesting |
| void setTextColor(@ColorInt int textColor) { |
| mTextColor = textColor; |
| updateTextColors(); |
| } |
| |
| @Override |
| public void onDensityOrFontScaleChanged() { |
| mIconSize = mContext.getResources().getDimensionPixelSize(R.dimen.widget_icon_size); |
| } |
| |
| public void refresh() { |
| Slice slice; |
| Trace.beginSection("KeyguardSliceView#refresh"); |
| // We can optimize performance and avoid binder calls when we know that we're bound |
| // to a Slice on the same process. |
| if (KeyguardSliceProvider.KEYGUARD_SLICE_URI.equals(mKeyguardSliceUri.toString())) { |
| KeyguardSliceProvider instance = KeyguardSliceProvider.getAttachedInstance(); |
| if (instance != null) { |
| slice = instance.onBindSlice(mKeyguardSliceUri); |
| } else { |
| Log.w(TAG, "Keyguard slice not bound yet?"); |
| slice = null; |
| } |
| } else { |
| slice = SliceViewManager.getInstance(getContext()).bindSlice(mKeyguardSliceUri); |
| } |
| onChanged(slice); |
| Trace.endSection(); |
| } |
| |
| public static class Row extends LinearLayout { |
| |
| /** |
| * This view is visible in AOD, which means that the device will sleep if we |
| * don't hold a wake lock. We want to enter doze only after all views have reached |
| * their desired positions. |
| */ |
| private final Animation.AnimationListener mKeepAwakeListener; |
| private float mDarkAmount; |
| |
| public Row(Context context) { |
| this(context, null); |
| } |
| |
| public Row(Context context, AttributeSet attrs) { |
| this(context, attrs, 0); |
| } |
| |
| public Row(Context context, AttributeSet attrs, int defStyleAttr) { |
| this(context, attrs, defStyleAttr, 0); |
| } |
| |
| public Row(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes) { |
| super(context, attrs, defStyleAttr, defStyleRes); |
| mKeepAwakeListener = new KeepAwakeAnimationListener(mContext); |
| } |
| |
| @Override |
| protected void onFinishInflate() { |
| LayoutTransition transition = new LayoutTransition(); |
| transition.setDuration(DEFAULT_ANIM_DURATION); |
| |
| PropertyValuesHolder left = PropertyValuesHolder.ofInt("left", 0, 1); |
| PropertyValuesHolder right = PropertyValuesHolder.ofInt("right", 0, 1); |
| ObjectAnimator changeAnimator = ObjectAnimator.ofPropertyValuesHolder((Object) null, |
| left, right); |
| transition.setAnimator(LayoutTransition.CHANGE_APPEARING, changeAnimator); |
| transition.setAnimator(LayoutTransition.CHANGE_DISAPPEARING, changeAnimator); |
| transition.setInterpolator(LayoutTransition.CHANGE_APPEARING, |
| Interpolators.ACCELERATE_DECELERATE); |
| transition.setInterpolator(LayoutTransition.CHANGE_DISAPPEARING, |
| Interpolators.ACCELERATE_DECELERATE); |
| transition.setStartDelay(LayoutTransition.CHANGE_APPEARING, DEFAULT_ANIM_DURATION); |
| transition.setStartDelay(LayoutTransition.CHANGE_DISAPPEARING, DEFAULT_ANIM_DURATION); |
| |
| ObjectAnimator appearAnimator = ObjectAnimator.ofFloat(null, "alpha", 0f, 1f); |
| transition.setAnimator(LayoutTransition.APPEARING, appearAnimator); |
| transition.setInterpolator(LayoutTransition.APPEARING, Interpolators.ALPHA_IN); |
| |
| ObjectAnimator disappearAnimator = ObjectAnimator.ofFloat(null, "alpha", 1f, 0f); |
| transition.setInterpolator(LayoutTransition.DISAPPEARING, Interpolators.ALPHA_OUT); |
| transition.setDuration(LayoutTransition.DISAPPEARING, DEFAULT_ANIM_DURATION / 4); |
| transition.setAnimator(LayoutTransition.DISAPPEARING, disappearAnimator); |
| |
| transition.setAnimateParentHierarchy(false); |
| setLayoutTransition(transition); |
| } |
| |
| @Override |
| protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { |
| int width = MeasureSpec.getSize(widthMeasureSpec); |
| int childCount = getChildCount(); |
| for (int i = 0; i < childCount; i++) { |
| View child = getChildAt(i); |
| if (child instanceof KeyguardSliceButton) { |
| ((KeyguardSliceButton) child).setMaxWidth(width / childCount); |
| } |
| } |
| super.onMeasure(widthMeasureSpec, heightMeasureSpec); |
| } |
| |
| public void setDarkAmount(float darkAmount) { |
| boolean isAwake = darkAmount != 0; |
| boolean wasAwake = mDarkAmount != 0; |
| if (isAwake == wasAwake) { |
| return; |
| } |
| mDarkAmount = darkAmount; |
| setLayoutAnimationListener(isAwake ? null : mKeepAwakeListener); |
| } |
| |
| @Override |
| public boolean hasOverlappingRendering() { |
| return false; |
| } |
| } |
| |
| /** |
| * Representation of an item that appears under the clock on main keyguard message. |
| */ |
| @VisibleForTesting |
| static class KeyguardSliceButton extends Button implements |
| ConfigurationController.ConfigurationListener { |
| |
| public KeyguardSliceButton(Context context) { |
| super(context, null /* attrs */, 0 /* styleAttr */, |
| com.android.keyguard.R.style.TextAppearance_Keyguard_Secondary); |
| onDensityOrFontScaleChanged(); |
| setEllipsize(TruncateAt.END); |
| } |
| |
| @Override |
| protected void onAttachedToWindow() { |
| super.onAttachedToWindow(); |
| Dependency.get(ConfigurationController.class).addCallback(this); |
| } |
| |
| @Override |
| protected void onDetachedFromWindow() { |
| super.onDetachedFromWindow(); |
| Dependency.get(ConfigurationController.class).removeCallback(this); |
| } |
| |
| @Override |
| public void onDensityOrFontScaleChanged() { |
| updatePadding(); |
| } |
| |
| @Override |
| public void setText(CharSequence text, BufferType type) { |
| super.setText(text, type); |
| updatePadding(); |
| } |
| |
| private void updatePadding() { |
| boolean hasText = !TextUtils.isEmpty(getText()); |
| int horizontalPadding = (int) getContext().getResources() |
| .getDimension(R.dimen.widget_horizontal_padding) / 2; |
| setPadding(horizontalPadding, 0, horizontalPadding * (hasText ? 1 : -1), 0); |
| setCompoundDrawablePadding((int) mContext.getResources() |
| .getDimension(R.dimen.widget_icon_padding)); |
| } |
| |
| @Override |
| public void setTextColor(int color) { |
| super.setTextColor(color); |
| updateDrawableColors(); |
| } |
| |
| @Override |
| public void setCompoundDrawables(Drawable left, Drawable top, Drawable right, |
| Drawable bottom) { |
| super.setCompoundDrawables(left, top, right, bottom); |
| updateDrawableColors(); |
| updatePadding(); |
| } |
| |
| private void updateDrawableColors() { |
| final int color = getCurrentTextColor(); |
| for (Drawable drawable : getCompoundDrawables()) { |
| if (drawable != null) { |
| drawable.setTint(color); |
| } |
| } |
| } |
| } |
| |
| /** |
| * A text view that will split its contents in 2 lines when possible. |
| */ |
| static class TitleView extends AlphaOptimizedTextView { |
| |
| public TitleView(Context context) { |
| super(context); |
| } |
| |
| public TitleView(Context context, AttributeSet attrs) { |
| super(context, attrs); |
| } |
| |
| public TitleView(Context context, AttributeSet attrs, int defStyleAttr) { |
| super(context, attrs, defStyleAttr); |
| } |
| |
| public TitleView(Context context, AttributeSet attrs, int defStyleAttr, |
| int defStyleRes) { |
| super(context, attrs, defStyleAttr, defStyleRes); |
| } |
| |
| @Override |
| protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { |
| super.onMeasure(widthMeasureSpec, heightMeasureSpec); |
| |
| Layout layout = getLayout(); |
| int lineCount = layout.getLineCount(); |
| boolean ellipsizing = layout.getEllipsisCount(lineCount - 1) != 0; |
| if (lineCount > 0 && !ellipsizing) { |
| CharSequence title = getText(); |
| CharSequence bestLineBreak = findBestLineBreak(title); |
| if (!TextUtils.equals(title, bestLineBreak)) { |
| setText(bestLineBreak); |
| super.onMeasure(widthMeasureSpec, heightMeasureSpec); |
| } |
| } |
| } |
| } |
| |
| private class SliceViewTransitionListener implements LayoutTransition.TransitionListener { |
| @Override |
| public void startTransition(LayoutTransition transition, ViewGroup container, View view, |
| int transitionType) { |
| switch (transitionType) { |
| case LayoutTransition.APPEARING: |
| int translation = getResources().getDimensionPixelSize( |
| R.dimen.pulsing_notification_appear_translation); |
| view.setTranslationY(translation); |
| view.animate() |
| .translationY(0) |
| .setDuration(DEFAULT_ANIM_DURATION) |
| .setInterpolator(Interpolators.ALPHA_IN) |
| .start(); |
| break; |
| case LayoutTransition.DISAPPEARING: |
| if (view == mTitle) { |
| // Translate the view to the inverse of its height, so the layout event |
| // won't misposition it. |
| LayoutParams params = (LayoutParams) mTitle.getLayoutParams(); |
| int margin = params.topMargin + params.bottomMargin; |
| mTitle.setTranslationY(-mTitle.getHeight() - margin); |
| } |
| break; |
| } |
| } |
| |
| @Override |
| public void endTransition(LayoutTransition transition, ViewGroup container, View view, |
| int transitionType) { |
| |
| } |
| } |
| } |