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/*
* 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.phone;
import android.content.Context;
import android.content.res.Resources;
import android.util.AttributeSet;
import android.util.EventLog;
import android.view.MotionEvent;
import android.view.View;
import android.view.accessibility.AccessibilityEvent;
import com.android.systemui.DejankUtils;
import com.android.systemui.EventLogTags;
import com.android.systemui.R;
public class PhoneStatusBarView extends PanelBar {
private static final String TAG = "PhoneStatusBarView";
private static final boolean DEBUG = PhoneStatusBar.DEBUG;
private static final boolean DEBUG_GESTURES = false;
PhoneStatusBar mBar;
PanelView mLastFullyOpenedPanel = null;
PanelView mNotificationPanel;
private final PhoneStatusBarTransitions mBarTransitions;
private ScrimController mScrimController;
private float mMinFraction;
private float mPanelFraction;
private Runnable mHideExpandedRunnable = new Runnable() {
@Override
public void run() {
mBar.makeExpandedInvisible();
}
};
public PhoneStatusBarView(Context context, AttributeSet attrs) {
super(context, attrs);
Resources res = getContext().getResources();
mBarTransitions = new PhoneStatusBarTransitions(this);
}
public BarTransitions getBarTransitions() {
return mBarTransitions;
}
public void setBar(PhoneStatusBar bar) {
mBar = bar;
}
public void setScrimController(ScrimController scrimController) {
mScrimController = scrimController;
}
@Override
public void onFinishInflate() {
mBarTransitions.init();
}
@Override
public void addPanel(PanelView pv) {
super.addPanel(pv);
if (pv.getId() == R.id.notification_panel) {
mNotificationPanel = pv;
}
}
@Override
public boolean panelsEnabled() {
return mBar.panelsEnabled();
}
@Override
public boolean onRequestSendAccessibilityEventInternal(View child, AccessibilityEvent event) {
if (super.onRequestSendAccessibilityEventInternal(child, event)) {
// The status bar is very small so augment the view that the user is touching
// with the content of the status bar a whole. This way an accessibility service
// may announce the current item as well as the entire content if appropriate.
AccessibilityEvent record = AccessibilityEvent.obtain();
onInitializeAccessibilityEvent(record);
dispatchPopulateAccessibilityEvent(record);
event.appendRecord(record);
return true;
}
return false;
}
@Override
public PanelView selectPanelForTouch(MotionEvent touch) {
// No double swiping. If either panel is open, nothing else can be pulled down.
return mNotificationPanel.getExpandedHeight() > 0
? null
: mNotificationPanel;
}
@Override
public void onPanelPeeked() {
super.onPanelPeeked();
mBar.makeExpandedVisible(false);
}
@Override
public void onAllPanelsCollapsed() {
super.onAllPanelsCollapsed();
// Close the status bar in the next frame so we can show the end of the animation.
DejankUtils.postAfterTraversal(mHideExpandedRunnable);
mLastFullyOpenedPanel = null;
}
public void removePendingHideExpandedRunnables() {
DejankUtils.removeCallbacks(mHideExpandedRunnable);
}
@Override
public void onPanelFullyOpened(PanelView openPanel) {
super.onPanelFullyOpened(openPanel);
if (openPanel != mLastFullyOpenedPanel) {
openPanel.sendAccessibilityEvent(AccessibilityEvent.TYPE_WINDOW_STATE_CHANGED);
}
mLastFullyOpenedPanel = openPanel;
}
@Override
public boolean onTouchEvent(MotionEvent event) {
boolean barConsumedEvent = mBar.interceptTouchEvent(event);
if (DEBUG_GESTURES) {
if (event.getActionMasked() != MotionEvent.ACTION_MOVE) {
EventLog.writeEvent(EventLogTags.SYSUI_PANELBAR_TOUCH,
event.getActionMasked(), (int) event.getX(), (int) event.getY(),
barConsumedEvent ? 1 : 0);
}
}
return barConsumedEvent || super.onTouchEvent(event);
}
@Override
public void onTrackingStarted(PanelView panel) {
super.onTrackingStarted(panel);
mBar.onTrackingStarted();
mScrimController.onTrackingStarted();
}
@Override
public void onClosingFinished() {
super.onClosingFinished();
mBar.onClosingFinished();
}
@Override
public void onTrackingStopped(PanelView panel, boolean expand) {
super.onTrackingStopped(panel, expand);
mBar.onTrackingStopped(expand);
}
@Override
public void onExpandingFinished() {
super.onExpandingFinished();
mScrimController.onExpandingFinished();
}
@Override
public boolean onInterceptTouchEvent(MotionEvent event) {
return mBar.interceptTouchEvent(event) || super.onInterceptTouchEvent(event);
}
@Override
public void panelScrimMinFractionChanged(float minFraction) {
if (mMinFraction != minFraction) {
mMinFraction = minFraction;
updateScrimFraction();
}
}
@Override
public void panelExpansionChanged(PanelView panel, float frac, boolean expanded) {
super.panelExpansionChanged(panel, frac, expanded);
mPanelFraction = frac;
updateScrimFraction();
mBar.setBlur(frac);
}
private void updateScrimFraction() {
float scrimFraction = Math.max(mPanelFraction - mMinFraction / (1.0f - mMinFraction), 0);
mScrimController.setPanelExpansion(scrimFraction);
}
}
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