| /* |
| * Copyright (C) 2011 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.statusbar.policy; |
| |
| import android.content.Context; |
| import android.content.res.Configuration; |
| import android.graphics.Outline; |
| import android.graphics.Rect; |
| import android.util.AttributeSet; |
| import android.util.Log; |
| import android.view.MotionEvent; |
| import android.view.View; |
| import android.view.ViewConfiguration; |
| import android.view.ViewGroup; |
| import android.view.ViewOutlineProvider; |
| import android.view.ViewTreeObserver; |
| import android.view.accessibility.AccessibilityEvent; |
| import android.widget.FrameLayout; |
| |
| import com.android.systemui.ExpandHelper; |
| import com.android.systemui.Gefingerpoken; |
| import com.android.systemui.R; |
| import com.android.systemui.SwipeHelper; |
| import com.android.systemui.statusbar.ExpandableView; |
| import com.android.systemui.statusbar.NotificationData; |
| import com.android.systemui.statusbar.phone.PhoneStatusBar; |
| |
| public class HeadsUpNotificationView extends FrameLayout implements SwipeHelper.Callback, ExpandHelper.Callback, |
| ViewTreeObserver.OnComputeInternalInsetsListener { |
| private static final String TAG = "HeadsUpNotificationView"; |
| private static final boolean DEBUG = false; |
| private static final boolean SPEW = DEBUG; |
| |
| Rect mTmpRect = new Rect(); |
| int[] mTmpTwoArray = new int[2]; |
| |
| private final int mTouchSensitivityDelay; |
| private final float mMaxAlpha = 1f; |
| private SwipeHelper mSwipeHelper; |
| private EdgeSwipeHelper mEdgeSwipeHelper; |
| |
| private PhoneStatusBar mBar; |
| private ExpandHelper mExpandHelper; |
| |
| private long mStartTouchTime; |
| private ViewGroup mContentHolder; |
| |
| private NotificationData.Entry mHeadsUp; |
| |
| public HeadsUpNotificationView(Context context, AttributeSet attrs) { |
| this(context, attrs, 0); |
| } |
| |
| public HeadsUpNotificationView(Context context, AttributeSet attrs, int defStyle) { |
| super(context, attrs, defStyle); |
| mTouchSensitivityDelay = getResources().getInteger(R.integer.heads_up_sensitivity_delay); |
| if (DEBUG) Log.v(TAG, "create() " + mTouchSensitivityDelay); |
| } |
| |
| public void updateResources() { |
| if (mContentHolder != null) { |
| final LayoutParams lp = (LayoutParams) mContentHolder.getLayoutParams(); |
| lp.width = getResources().getDimensionPixelSize(R.dimen.notification_panel_width); |
| lp.gravity = getResources().getInteger(R.integer.notification_panel_layout_gravity); |
| mContentHolder.setLayoutParams(lp); |
| } |
| } |
| |
| public void setBar(PhoneStatusBar bar) { |
| mBar = bar; |
| } |
| |
| public ViewGroup getHolder() { |
| return mContentHolder; |
| } |
| |
| public boolean showNotification(NotificationData.Entry headsUp) { |
| if (mHeadsUp != null && headsUp != null && !mHeadsUp.key.equals(headsUp.key)) { |
| // bump any previous heads up back to the shade |
| release(); |
| } |
| |
| mHeadsUp = headsUp; |
| if (mContentHolder != null) { |
| mContentHolder.removeAllViews(); |
| } |
| |
| if (mHeadsUp != null) { |
| mHeadsUp.row.setSystemExpanded(true); |
| mHeadsUp.row.setSensitive(false); |
| mHeadsUp.row.setHideSensitive( |
| false, false /* animated */, 0 /* delay */, 0 /* duration */); |
| if (mContentHolder == null) { |
| // too soon! |
| return false; |
| } |
| mContentHolder.setX(0); |
| mContentHolder.setVisibility(View.VISIBLE); |
| mContentHolder.setAlpha(mMaxAlpha); |
| mContentHolder.addView(mHeadsUp.row); |
| sendAccessibilityEvent(AccessibilityEvent.TYPE_WINDOW_CONTENT_CHANGED); |
| |
| mSwipeHelper.snapChild(mContentHolder, 1f); |
| mStartTouchTime = System.currentTimeMillis() + mTouchSensitivityDelay; |
| |
| mHeadsUp.setInterruption(); |
| |
| // 2. Animate mHeadsUpNotificationView in |
| mBar.scheduleHeadsUpOpen(); |
| |
| // 3. Set alarm to age the notification off |
| mBar.resetHeadsUpDecayTimer(); |
| } |
| return true; |
| } |
| |
| @Override |
| protected void onVisibilityChanged(View changedView, int visibility) { |
| super.onVisibilityChanged(changedView, visibility); |
| if (changedView.getVisibility() == VISIBLE) { |
| sendAccessibilityEvent(AccessibilityEvent.TYPE_WINDOW_CONTENT_CHANGED); |
| } |
| } |
| |
| public boolean isShowing(String key) { |
| return mHeadsUp != null && mHeadsUp.key.equals(key); |
| } |
| |
| /** Discard the Heads Up notification. */ |
| public void clear() { |
| mHeadsUp = null; |
| mBar.scheduleHeadsUpClose(); |
| } |
| |
| /** Respond to dismissal of the Heads Up window. */ |
| public void dismiss() { |
| if (mHeadsUp == null) return; |
| if (mHeadsUp.notification.isClearable()) { |
| mBar.onNotificationClear(mHeadsUp.notification); |
| } else { |
| release(); |
| } |
| mHeadsUp = null; |
| mBar.scheduleHeadsUpClose(); |
| } |
| |
| /** Push any current Heads Up notification down into the shade. */ |
| public void release() { |
| if (mHeadsUp != null) { |
| mBar.displayNotificationFromHeadsUp(mHeadsUp.notification); |
| } |
| mHeadsUp = null; |
| } |
| |
| public void releaseAndClose() { |
| release(); |
| mBar.scheduleHeadsUpClose(); |
| } |
| |
| public NotificationData.Entry getEntry() { |
| return mHeadsUp; |
| } |
| |
| public boolean isClearable() { |
| return mHeadsUp == null || mHeadsUp.notification.isClearable(); |
| } |
| |
| // ViewGroup methods |
| |
| private static final ViewOutlineProvider CONTENT_HOLDER_OUTLINE_PROVIDER = |
| new ViewOutlineProvider() { |
| @Override |
| public void getOutline(View view, Outline outline) { |
| int outlineLeft = view.getPaddingLeft(); |
| int outlineTop = view.getPaddingTop(); |
| |
| // Apply padding to shadow. |
| outline.setRect(outlineLeft, outlineTop, |
| view.getWidth() - outlineLeft - view.getPaddingRight(), |
| view.getHeight() - outlineTop - view.getPaddingBottom()); |
| } |
| }; |
| |
| @Override |
| public void onAttachedToWindow() { |
| final ViewConfiguration viewConfiguration = ViewConfiguration.get(getContext()); |
| float touchSlop = viewConfiguration.getScaledTouchSlop(); |
| mSwipeHelper = new SwipeHelper(SwipeHelper.X, this, getContext()); |
| mSwipeHelper.setMaxSwipeProgress(mMaxAlpha); |
| mEdgeSwipeHelper = new EdgeSwipeHelper(touchSlop); |
| |
| int minHeight = getResources().getDimensionPixelSize(R.dimen.notification_min_height); |
| int maxHeight = getResources().getDimensionPixelSize(R.dimen.notification_max_height); |
| mExpandHelper = new ExpandHelper(getContext(), this, minHeight, maxHeight); |
| |
| mContentHolder = (ViewGroup) findViewById(R.id.content_holder); |
| mContentHolder.setOutlineProvider(CONTENT_HOLDER_OUTLINE_PROVIDER); |
| |
| if (mHeadsUp != null) { |
| // whoops, we're on already! |
| showNotification(mHeadsUp); |
| } |
| |
| getViewTreeObserver().addOnComputeInternalInsetsListener(this); |
| } |
| |
| @Override |
| public boolean onInterceptTouchEvent(MotionEvent ev) { |
| if (DEBUG) Log.v(TAG, "onInterceptTouchEvent()"); |
| if (System.currentTimeMillis() < mStartTouchTime) { |
| return true; |
| } |
| return mEdgeSwipeHelper.onInterceptTouchEvent(ev) |
| || mSwipeHelper.onInterceptTouchEvent(ev) |
| || mExpandHelper.onInterceptTouchEvent(ev) |
| || super.onInterceptTouchEvent(ev); |
| } |
| |
| // View methods |
| |
| @Override |
| public void onDraw(android.graphics.Canvas c) { |
| super.onDraw(c); |
| if (DEBUG) { |
| //Log.d(TAG, "onDraw: canvas height: " + c.getHeight() + "px; measured height: " |
| // + getMeasuredHeight() + "px"); |
| c.save(); |
| c.clipRect(6, 6, c.getWidth() - 6, getMeasuredHeight() - 6, |
| android.graphics.Region.Op.DIFFERENCE); |
| c.drawColor(0xFFcc00cc); |
| c.restore(); |
| } |
| } |
| |
| @Override |
| public boolean onTouchEvent(MotionEvent ev) { |
| if (System.currentTimeMillis() < mStartTouchTime) { |
| return false; |
| } |
| mBar.resetHeadsUpDecayTimer(); |
| return mEdgeSwipeHelper.onTouchEvent(ev) |
| || mSwipeHelper.onTouchEvent(ev) |
| || mExpandHelper.onTouchEvent(ev) |
| || super.onTouchEvent(ev); |
| } |
| |
| @Override |
| protected void onConfigurationChanged(Configuration newConfig) { |
| super.onConfigurationChanged(newConfig); |
| float densityScale = getResources().getDisplayMetrics().density; |
| mSwipeHelper.setDensityScale(densityScale); |
| float pagingTouchSlop = ViewConfiguration.get(getContext()).getScaledPagingTouchSlop(); |
| mSwipeHelper.setPagingTouchSlop(pagingTouchSlop); |
| } |
| |
| // ExpandHelper.Callback methods |
| |
| @Override |
| public ExpandableView getChildAtRawPosition(float x, float y) { |
| return getChildAtPosition(x, y); |
| } |
| |
| @Override |
| public ExpandableView getChildAtPosition(float x, float y) { |
| return mHeadsUp == null ? null : mHeadsUp.row; |
| } |
| |
| @Override |
| public boolean canChildBeExpanded(View v) { |
| return mHeadsUp != null && mHeadsUp.row == v && mHeadsUp.row.isExpandable(); |
| } |
| |
| @Override |
| public void setUserExpandedChild(View v, boolean userExpanded) { |
| if (mHeadsUp != null && mHeadsUp.row == v) { |
| mHeadsUp.row.setUserExpanded(userExpanded); |
| } |
| } |
| |
| @Override |
| public void setUserLockedChild(View v, boolean userLocked) { |
| if (mHeadsUp != null && mHeadsUp.row == v) { |
| mHeadsUp.row.setUserLocked(userLocked); |
| } |
| } |
| |
| @Override |
| public void expansionStateChanged(boolean isExpanding) { |
| |
| } |
| |
| // SwipeHelper.Callback methods |
| |
| @Override |
| public boolean canChildBeDismissed(View v) { |
| return true; |
| } |
| |
| @Override |
| public boolean isAntiFalsingNeeded() { |
| return false; |
| } |
| |
| @Override |
| public float getFalsingThresholdFactor() { |
| return 1.0f; |
| } |
| |
| @Override |
| public void onChildDismissed(View v) { |
| Log.v(TAG, "User swiped heads up to dismiss"); |
| mBar.onHeadsUpDismissed(); |
| } |
| |
| @Override |
| public void onBeginDrag(View v) { |
| } |
| |
| @Override |
| public void onDragCancelled(View v) { |
| mContentHolder.setAlpha(mMaxAlpha); // sometimes this isn't quite reset |
| } |
| |
| @Override |
| public void onChildSnappedBack(View animView) { |
| } |
| |
| @Override |
| public boolean updateSwipeProgress(View animView, boolean dismissable, float swipeProgress) { |
| getBackground().setAlpha((int) (255 * swipeProgress)); |
| return false; |
| } |
| |
| @Override |
| public View getChildAtPosition(MotionEvent ev) { |
| return mContentHolder; |
| } |
| |
| @Override |
| public View getChildContentView(View v) { |
| return mContentHolder; |
| } |
| |
| @Override |
| public void onComputeInternalInsets(ViewTreeObserver.InternalInsetsInfo info) { |
| mContentHolder.getLocationOnScreen(mTmpTwoArray); |
| |
| info.setTouchableInsets(ViewTreeObserver.InternalInsetsInfo.TOUCHABLE_INSETS_REGION); |
| info.touchableRegion.set(mTmpTwoArray[0], mTmpTwoArray[1], |
| mTmpTwoArray[0] + mContentHolder.getWidth(), |
| mTmpTwoArray[1] + mContentHolder.getHeight()); |
| } |
| |
| public void escalate() { |
| mBar.scheduleHeadsUpEscalation(); |
| } |
| |
| public String getKey() { |
| return mHeadsUp == null ? null : mHeadsUp.notification.getKey(); |
| } |
| |
| private class EdgeSwipeHelper implements Gefingerpoken { |
| private static final boolean DEBUG_EDGE_SWIPE = false; |
| private final float mTouchSlop; |
| private boolean mConsuming; |
| private float mFirstY; |
| private float mFirstX; |
| |
| public EdgeSwipeHelper(float touchSlop) { |
| mTouchSlop = touchSlop; |
| } |
| |
| @Override |
| public boolean onInterceptTouchEvent(MotionEvent ev) { |
| switch (ev.getActionMasked()) { |
| case MotionEvent.ACTION_DOWN: |
| if (DEBUG_EDGE_SWIPE) Log.d(TAG, "action down " + ev.getY()); |
| mFirstX = ev.getX(); |
| mFirstY = ev.getY(); |
| mConsuming = false; |
| break; |
| |
| case MotionEvent.ACTION_MOVE: |
| if (DEBUG_EDGE_SWIPE) Log.d(TAG, "action move " + ev.getY()); |
| final float dY = ev.getY() - mFirstY; |
| final float daX = Math.abs(ev.getX() - mFirstX); |
| final float daY = Math.abs(dY); |
| if (!mConsuming && (4f * daX) < daY && daY > mTouchSlop) { |
| if (dY > 0) { |
| if (DEBUG_EDGE_SWIPE) Log.d(TAG, "found an open"); |
| mBar.animateExpandNotificationsPanel(); |
| } |
| if (dY < 0) { |
| if (DEBUG_EDGE_SWIPE) Log.d(TAG, "found a close"); |
| mBar.onHeadsUpDismissed(); |
| } |
| mConsuming = true; |
| } |
| break; |
| |
| case MotionEvent.ACTION_UP: |
| case MotionEvent.ACTION_CANCEL: |
| if (DEBUG_EDGE_SWIPE) Log.d(TAG, "action done" ); |
| mConsuming = false; |
| break; |
| } |
| return mConsuming; |
| } |
| |
| @Override |
| public boolean onTouchEvent(MotionEvent ev) { |
| return mConsuming; |
| } |
| } |
| } |