| /* |
| * Copyright (C) 2008 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 static android.view.Display.INVALID_DISPLAY; |
| import static android.view.KeyEvent.KEYCODE_UNKNOWN; |
| import static android.view.accessibility.AccessibilityNodeInfo.ACTION_CLICK; |
| import static android.view.accessibility.AccessibilityNodeInfo.ACTION_LONG_CLICK; |
| |
| import android.app.ActivityManager; |
| import android.content.Context; |
| import android.content.res.Configuration; |
| import android.content.res.TypedArray; |
| import android.graphics.Canvas; |
| import android.graphics.Paint; |
| import android.graphics.drawable.Drawable; |
| import android.graphics.drawable.Icon; |
| import android.hardware.input.InputManager; |
| import android.media.AudioManager; |
| import android.metrics.LogMaker; |
| import android.os.AsyncTask; |
| import android.os.Bundle; |
| import android.os.SystemClock; |
| import android.util.AttributeSet; |
| import android.util.Log; |
| import android.util.TypedValue; |
| import android.view.HapticFeedbackConstants; |
| import android.view.InputDevice; |
| import android.view.KeyCharacterMap; |
| import android.view.KeyEvent; |
| import android.view.MotionEvent; |
| import android.view.SoundEffectConstants; |
| import android.view.View; |
| import android.view.ViewConfiguration; |
| import android.view.accessibility.AccessibilityEvent; |
| import android.view.accessibility.AccessibilityNodeInfo; |
| import android.widget.ImageView; |
| |
| import com.android.internal.annotations.VisibleForTesting; |
| import com.android.internal.logging.MetricsLogger; |
| import com.android.internal.logging.UiEvent; |
| import com.android.internal.logging.UiEventLogger; |
| import com.android.internal.logging.UiEventLoggerImpl; |
| import com.android.internal.logging.nano.MetricsProto.MetricsEvent; |
| import com.android.systemui.Dependency; |
| import com.android.systemui.R; |
| import com.android.systemui.bubbles.BubbleController; |
| import com.android.systemui.recents.OverviewProxyService; |
| import com.android.systemui.shared.system.QuickStepContract; |
| import com.android.systemui.statusbar.phone.ButtonInterface; |
| |
| public class KeyButtonView extends ImageView implements ButtonInterface { |
| private static final String TAG = KeyButtonView.class.getSimpleName(); |
| |
| private final boolean mPlaySounds; |
| private final UiEventLogger mUiEventLogger; |
| private int mContentDescriptionRes; |
| private long mDownTime; |
| private int mCode; |
| private int mTouchDownX; |
| private int mTouchDownY; |
| private boolean mIsVertical; |
| private AudioManager mAudioManager; |
| private boolean mGestureAborted; |
| @VisibleForTesting boolean mLongClicked; |
| private OnClickListener mOnClickListener; |
| private final KeyButtonRipple mRipple; |
| private final OverviewProxyService mOverviewProxyService; |
| private final MetricsLogger mMetricsLogger = Dependency.get(MetricsLogger.class); |
| private final InputManager mInputManager; |
| private final Paint mOvalBgPaint = new Paint(Paint.ANTI_ALIAS_FLAG | Paint.FILTER_BITMAP_FLAG); |
| private float mDarkIntensity; |
| private boolean mHasOvalBg = false; |
| |
| @VisibleForTesting |
| public enum NavBarActionsEvent implements UiEventLogger.UiEventEnum { |
| |
| @UiEvent(doc = "The home button was pressed in the navigation bar.") |
| NAVBAR_HOME_BUTTON_TAP(533), |
| |
| @UiEvent(doc = "The back button was pressed in the navigation bar.") |
| NAVBAR_BACK_BUTTON_TAP(534), |
| |
| @UiEvent(doc = "The overview button was pressed in the navigation bar.") |
| NAVBAR_OVERVIEW_BUTTON_TAP(535), |
| |
| @UiEvent(doc = "The home button was long-pressed in the navigation bar.") |
| NAVBAR_HOME_BUTTON_LONGPRESS(536), |
| |
| @UiEvent(doc = "The back button was long-pressed in the navigation bar.") |
| NAVBAR_BACK_BUTTON_LONGPRESS(537), |
| |
| @UiEvent(doc = "The overview button was long-pressed in the navigation bar.") |
| NAVBAR_OVERVIEW_BUTTON_LONGPRESS(538), |
| |
| NONE(0); // an event we should not log |
| |
| private final int mId; |
| |
| NavBarActionsEvent(int id) { |
| mId = id; |
| } |
| |
| @Override |
| public int getId() { |
| return mId; |
| } |
| } |
| private final Runnable mCheckLongPress = new Runnable() { |
| public void run() { |
| if (isPressed()) { |
| // Log.d("KeyButtonView", "longpressed: " + this); |
| if (isLongClickable()) { |
| // Just an old-fashioned ImageView |
| performLongClick(); |
| mLongClicked = true; |
| } else { |
| sendEvent(KeyEvent.ACTION_DOWN, KeyEvent.FLAG_LONG_PRESS); |
| sendAccessibilityEvent(AccessibilityEvent.TYPE_VIEW_LONG_CLICKED); |
| mLongClicked = true; |
| } |
| } |
| } |
| }; |
| |
| public KeyButtonView(Context context, AttributeSet attrs) { |
| this(context, attrs, 0); |
| } |
| |
| public KeyButtonView(Context context, AttributeSet attrs, int defStyle) { |
| this(context, attrs, defStyle, InputManager.getInstance(), new UiEventLoggerImpl()); |
| } |
| |
| @VisibleForTesting |
| public KeyButtonView(Context context, AttributeSet attrs, int defStyle, InputManager manager, |
| UiEventLogger uiEventLogger) { |
| super(context, attrs); |
| mUiEventLogger = uiEventLogger; |
| |
| TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.KeyButtonView, |
| defStyle, 0); |
| |
| mCode = a.getInteger(R.styleable.KeyButtonView_keyCode, KEYCODE_UNKNOWN); |
| |
| mPlaySounds = a.getBoolean(R.styleable.KeyButtonView_playSound, true); |
| |
| TypedValue value = new TypedValue(); |
| if (a.getValue(R.styleable.KeyButtonView_android_contentDescription, value)) { |
| mContentDescriptionRes = value.resourceId; |
| } |
| |
| a.recycle(); |
| |
| setClickable(true); |
| mAudioManager = (AudioManager) context.getSystemService(Context.AUDIO_SERVICE); |
| |
| mRipple = new KeyButtonRipple(context, this); |
| mOverviewProxyService = Dependency.get(OverviewProxyService.class); |
| mInputManager = manager; |
| setBackground(mRipple); |
| setWillNotDraw(false); |
| forceHasOverlappingRendering(false); |
| } |
| |
| @Override |
| public boolean isClickable() { |
| return mCode != KEYCODE_UNKNOWN || super.isClickable(); |
| } |
| |
| public void setCode(int code) { |
| mCode = code; |
| } |
| |
| @Override |
| public void setOnClickListener(OnClickListener onClickListener) { |
| super.setOnClickListener(onClickListener); |
| mOnClickListener = onClickListener; |
| } |
| |
| public void loadAsync(Icon icon) { |
| new AsyncTask<Icon, Void, Drawable>() { |
| @Override |
| protected Drawable doInBackground(Icon... params) { |
| return params[0].loadDrawable(mContext); |
| } |
| |
| @Override |
| protected void onPostExecute(Drawable drawable) { |
| setImageDrawable(drawable); |
| } |
| }.execute(icon); |
| } |
| |
| @Override |
| protected void onConfigurationChanged(Configuration newConfig) { |
| super.onConfigurationChanged(newConfig); |
| |
| if (mContentDescriptionRes != 0) { |
| setContentDescription(mContext.getString(mContentDescriptionRes)); |
| } |
| } |
| |
| @Override |
| public void onInitializeAccessibilityNodeInfo(AccessibilityNodeInfo info) { |
| super.onInitializeAccessibilityNodeInfo(info); |
| if (mCode != KEYCODE_UNKNOWN) { |
| info.addAction(new AccessibilityNodeInfo.AccessibilityAction(ACTION_CLICK, null)); |
| if (isLongClickable()) { |
| info.addAction( |
| new AccessibilityNodeInfo.AccessibilityAction(ACTION_LONG_CLICK, null)); |
| } |
| } |
| } |
| |
| @Override |
| protected void onWindowVisibilityChanged(int visibility) { |
| super.onWindowVisibilityChanged(visibility); |
| if (visibility != View.VISIBLE) { |
| jumpDrawablesToCurrentState(); |
| } |
| } |
| |
| @Override |
| public boolean performAccessibilityActionInternal(int action, Bundle arguments) { |
| if (action == ACTION_CLICK && mCode != KEYCODE_UNKNOWN) { |
| sendEvent(KeyEvent.ACTION_DOWN, 0, SystemClock.uptimeMillis()); |
| sendEvent(KeyEvent.ACTION_UP, 0); |
| sendAccessibilityEvent(AccessibilityEvent.TYPE_VIEW_CLICKED); |
| playSoundEffect(SoundEffectConstants.CLICK); |
| return true; |
| } else if (action == ACTION_LONG_CLICK && mCode != KEYCODE_UNKNOWN) { |
| sendEvent(KeyEvent.ACTION_DOWN, KeyEvent.FLAG_LONG_PRESS); |
| sendEvent(KeyEvent.ACTION_UP, 0); |
| sendAccessibilityEvent(AccessibilityEvent.TYPE_VIEW_LONG_CLICKED); |
| return true; |
| } |
| return super.performAccessibilityActionInternal(action, arguments); |
| } |
| |
| @Override |
| public boolean onTouchEvent(MotionEvent ev) { |
| final boolean showSwipeUI = mOverviewProxyService.shouldShowSwipeUpUI(); |
| final int action = ev.getAction(); |
| int x, y; |
| if (action == MotionEvent.ACTION_DOWN) { |
| mGestureAborted = false; |
| } |
| if (mGestureAborted) { |
| setPressed(false); |
| return false; |
| } |
| |
| switch (action) { |
| case MotionEvent.ACTION_DOWN: |
| mDownTime = SystemClock.uptimeMillis(); |
| mLongClicked = false; |
| setPressed(true); |
| |
| // Use raw X and Y to detect gestures in case a parent changes the x and y values |
| mTouchDownX = (int) ev.getRawX(); |
| mTouchDownY = (int) ev.getRawY(); |
| if (mCode != KEYCODE_UNKNOWN) { |
| sendEvent(KeyEvent.ACTION_DOWN, 0, mDownTime); |
| } else { |
| // Provide the same haptic feedback that the system offers for virtual keys. |
| performHapticFeedback(HapticFeedbackConstants.VIRTUAL_KEY); |
| } |
| if (!showSwipeUI) { |
| playSoundEffect(SoundEffectConstants.CLICK); |
| } |
| removeCallbacks(mCheckLongPress); |
| postDelayed(mCheckLongPress, ViewConfiguration.getLongPressTimeout()); |
| break; |
| case MotionEvent.ACTION_MOVE: |
| x = (int)ev.getRawX(); |
| y = (int)ev.getRawY(); |
| |
| float slop = QuickStepContract.getQuickStepTouchSlopPx(getContext()); |
| if (Math.abs(x - mTouchDownX) > slop || Math.abs(y - mTouchDownY) > slop) { |
| // When quick step is enabled, prevent animating the ripple triggered by |
| // setPressed and decide to run it on touch up |
| setPressed(false); |
| removeCallbacks(mCheckLongPress); |
| } |
| break; |
| case MotionEvent.ACTION_CANCEL: |
| setPressed(false); |
| if (mCode != KEYCODE_UNKNOWN) { |
| sendEvent(KeyEvent.ACTION_UP, KeyEvent.FLAG_CANCELED); |
| } |
| removeCallbacks(mCheckLongPress); |
| break; |
| case MotionEvent.ACTION_UP: |
| final boolean doIt = isPressed() && !mLongClicked; |
| setPressed(false); |
| final boolean doHapticFeedback = (SystemClock.uptimeMillis() - mDownTime) > 150; |
| if (showSwipeUI) { |
| if (doIt) { |
| // Apply haptic feedback on touch up since there is none on touch down |
| performHapticFeedback(HapticFeedbackConstants.VIRTUAL_KEY); |
| playSoundEffect(SoundEffectConstants.CLICK); |
| } |
| } else if (doHapticFeedback && !mLongClicked) { |
| // Always send a release ourselves because it doesn't seem to be sent elsewhere |
| // and it feels weird to sometimes get a release haptic and other times not. |
| performHapticFeedback(HapticFeedbackConstants.VIRTUAL_KEY_RELEASE); |
| } |
| if (mCode != KEYCODE_UNKNOWN) { |
| if (doIt) { |
| sendEvent(KeyEvent.ACTION_UP, 0); |
| sendAccessibilityEvent(AccessibilityEvent.TYPE_VIEW_CLICKED); |
| } else { |
| sendEvent(KeyEvent.ACTION_UP, KeyEvent.FLAG_CANCELED); |
| } |
| } else { |
| // no key code, just a regular ImageView |
| if (doIt && mOnClickListener != null) { |
| mOnClickListener.onClick(this); |
| sendAccessibilityEvent(AccessibilityEvent.TYPE_VIEW_CLICKED); |
| } |
| } |
| removeCallbacks(mCheckLongPress); |
| break; |
| } |
| |
| return true; |
| } |
| |
| @Override |
| public void setImageDrawable(Drawable drawable) { |
| super.setImageDrawable(drawable); |
| |
| if (drawable == null) { |
| return; |
| } |
| KeyButtonDrawable keyButtonDrawable = (KeyButtonDrawable) drawable; |
| keyButtonDrawable.setDarkIntensity(mDarkIntensity); |
| mHasOvalBg = keyButtonDrawable.hasOvalBg(); |
| if (mHasOvalBg) { |
| mOvalBgPaint.setColor(keyButtonDrawable.getDrawableBackgroundColor()); |
| } |
| mRipple.setType(keyButtonDrawable.hasOvalBg() ? KeyButtonRipple.Type.OVAL |
| : KeyButtonRipple.Type.ROUNDED_RECT); |
| } |
| |
| public void playSoundEffect(int soundConstant) { |
| if (!mPlaySounds) return; |
| mAudioManager.playSoundEffect(soundConstant, ActivityManager.getCurrentUser()); |
| } |
| |
| public void sendEvent(int action, int flags) { |
| sendEvent(action, flags, SystemClock.uptimeMillis()); |
| } |
| |
| private void logSomePresses(int action, int flags) { |
| boolean longPressSet = (flags & KeyEvent.FLAG_LONG_PRESS) != 0; |
| NavBarActionsEvent uiEvent = NavBarActionsEvent.NONE; |
| if (action == MotionEvent.ACTION_UP && mLongClicked) { |
| return; // don't log the up after a long press |
| } |
| if (action == MotionEvent.ACTION_DOWN && !longPressSet) { |
| return; // don't log a down unless it is also the long press marker |
| } |
| if ((flags & KeyEvent.FLAG_CANCELED) != 0 |
| || (flags & KeyEvent.FLAG_CANCELED_LONG_PRESS) != 0) { |
| return; // don't log various cancels |
| } |
| switch(mCode) { |
| case KeyEvent.KEYCODE_BACK: |
| uiEvent = longPressSet |
| ? NavBarActionsEvent.NAVBAR_BACK_BUTTON_LONGPRESS |
| : NavBarActionsEvent.NAVBAR_BACK_BUTTON_TAP; |
| break; |
| case KeyEvent.KEYCODE_HOME: |
| uiEvent = longPressSet |
| ? NavBarActionsEvent.NAVBAR_HOME_BUTTON_LONGPRESS |
| : NavBarActionsEvent.NAVBAR_HOME_BUTTON_TAP; |
| break; |
| case KeyEvent.KEYCODE_APP_SWITCH: |
| uiEvent = longPressSet |
| ? NavBarActionsEvent.NAVBAR_OVERVIEW_BUTTON_LONGPRESS |
| : NavBarActionsEvent.NAVBAR_OVERVIEW_BUTTON_TAP; |
| break; |
| } |
| if (uiEvent != NavBarActionsEvent.NONE) { |
| mUiEventLogger.log(uiEvent); |
| } |
| } |
| |
| private void sendEvent(int action, int flags, long when) { |
| mMetricsLogger.write(new LogMaker(MetricsEvent.ACTION_NAV_BUTTON_EVENT) |
| .setType(MetricsEvent.TYPE_ACTION) |
| .setSubtype(mCode) |
| .addTaggedData(MetricsEvent.FIELD_NAV_ACTION, action) |
| .addTaggedData(MetricsEvent.FIELD_FLAGS, flags)); |
| logSomePresses(action, flags); |
| if (mCode == KeyEvent.KEYCODE_BACK && flags != KeyEvent.FLAG_LONG_PRESS) { |
| Log.i(TAG, "Back button event: " + KeyEvent.actionToString(action)); |
| if (action == MotionEvent.ACTION_UP) { |
| mOverviewProxyService.notifyBackAction((flags & KeyEvent.FLAG_CANCELED) == 0, |
| -1, -1, true /* isButton */, false /* gestureSwipeLeft */); |
| } |
| } |
| final int repeatCount = (flags & KeyEvent.FLAG_LONG_PRESS) != 0 ? 1 : 0; |
| final KeyEvent ev = new KeyEvent(mDownTime, when, action, mCode, repeatCount, |
| 0, KeyCharacterMap.VIRTUAL_KEYBOARD, 0, |
| flags | KeyEvent.FLAG_FROM_SYSTEM | KeyEvent.FLAG_VIRTUAL_HARD_KEY, |
| InputDevice.SOURCE_KEYBOARD); |
| |
| int displayId = INVALID_DISPLAY; |
| |
| // Make KeyEvent work on multi-display environment |
| if (getDisplay() != null) { |
| displayId = getDisplay().getDisplayId(); |
| } |
| // Bubble controller will give us a valid display id if it should get the back event |
| BubbleController bubbleController = Dependency.get(BubbleController.class); |
| int bubbleDisplayId = bubbleController.getExpandedDisplayId(mContext); |
| if (mCode == KeyEvent.KEYCODE_BACK && bubbleDisplayId != INVALID_DISPLAY) { |
| displayId = bubbleDisplayId; |
| } |
| if (displayId != INVALID_DISPLAY) { |
| ev.setDisplayId(displayId); |
| } |
| mInputManager.injectInputEvent(ev, InputManager.INJECT_INPUT_EVENT_MODE_ASYNC); |
| } |
| |
| @Override |
| public void abortCurrentGesture() { |
| setPressed(false); |
| mRipple.abortDelayedRipple(); |
| mGestureAborted = true; |
| } |
| |
| @Override |
| public void setDarkIntensity(float darkIntensity) { |
| mDarkIntensity = darkIntensity; |
| |
| Drawable drawable = getDrawable(); |
| if (drawable != null) { |
| ((KeyButtonDrawable) drawable).setDarkIntensity(darkIntensity); |
| // Since we reuse the same drawable for multiple views, we need to invalidate the view |
| // manually. |
| invalidate(); |
| } |
| mRipple.setDarkIntensity(darkIntensity); |
| } |
| |
| @Override |
| public void setDelayTouchFeedback(boolean shouldDelay) { |
| mRipple.setDelayTouchFeedback(shouldDelay); |
| } |
| |
| @Override |
| public void draw(Canvas canvas) { |
| if (mHasOvalBg) { |
| canvas.save(); |
| int cx = (getLeft() + getRight()) / 2; |
| int cy = (getTop() + getBottom()) / 2; |
| canvas.translate(cx, cy); |
| int d = Math.min(getWidth(), getHeight()); |
| int r = d / 2; |
| canvas.drawOval(-r, -r, r, r, mOvalBgPaint); |
| canvas.restore(); |
| } |
| super.draw(canvas); |
| } |
| |
| @Override |
| public void setVertical(boolean vertical) { |
| mIsVertical = vertical; |
| } |
| } |