/*

* Copyright (C) 2012 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.graphics.Canvas;

import android.graphics.drawable.Drawable;

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.EventLogTags;

import com.android.systemui.R;

import com.android.systemui.statusbar.GestureRecorder;

public class NotificationPanelView extends PanelView {

public static final boolean DEBUG_GESTURES = true;

Drawable mHandleBar;

int mHandleBarHeight;

View mHandleView;

int mFingers;

PhoneStatusBar mStatusBar;

boolean mOkToFlip;

public NotificationPanelView(Context context, AttributeSet attrs) {

super(context, attrs);

}

public void setStatusBar(PhoneStatusBar bar) {

mStatusBar = bar;

}

@Override

protected void onFinishInflate() {

super.onFinishInflate();

Resources resources = getContext().getResources();

mHandleBar = resources.getDrawable(R.drawable.status_bar_close);

mHandleBarHeight = resources.getDimensionPixelSize(R.dimen.close_handle_height);

mHandleView = findViewById(R.id.handle);

}

@Override

public void fling(float vel, boolean always) {

GestureRecorder gr = ((PhoneStatusBarView) mBar).mBar.getGestureRecorder();

if (gr != null) {

gr.tag(

"fling " + ((vel > 0) ? "open" : "closed"),

"notifications,v=" + vel);

}

super.fling(vel, always);

}

@Override

public boolean dispatchPopulateAccessibilityEvent(AccessibilityEvent event) {

if (event.getEventType() == AccessibilityEvent.TYPE_WINDOW_STATE_CHANGED) {

event.getText()

.add(getContext().getString(R.string.accessibility_desc_notification_shade));

return true;

}

return super.dispatchPopulateAccessibilityEvent(event);

}

// We draw the handle ourselves so that it's always glued to the bottom of the window.

@Override

protected void onLayout(boolean changed, int left, int top, int right, int bottom) {

super.onLayout(changed, left, top, right, bottom);

if (changed) {

final int pl = getPaddingLeft();

final int pr = getPaddingRight();

mHandleBar.setBounds(pl, 0, getWidth() - pr, (int) mHandleBarHeight);

}

}

@Override

public void draw(Canvas canvas) {

super.draw(canvas);

final int off = (int) (getHeight() - mHandleBarHeight - getPaddingBottom());

canvas.translate(0, off);

mHandleBar.setState(mHandleView.getDrawableState());

mHandleBar.draw(canvas);

canvas.translate(0, -off);

}

@Override

public boolean onTouchEvent(MotionEvent event) {

if (DEBUG_GESTURES) {

if (event.getActionMasked() != MotionEvent.ACTION_MOVE) {

EventLog.writeEvent(EventLogTags.SYSUI_NOTIFICATIONPANEL_TOUCH,

event.getActionMasked(), (int) event.getX(), (int) event.getY());

}

}

if (PhoneStatusBar.SETTINGS_DRAG_SHORTCUT && mStatusBar.mHasFlipSettings) {

switch (event.getActionMasked()) {

case MotionEvent.ACTION_DOWN:

mOkToFlip = getExpandedHeight() == 0;

break;

case MotionEvent.ACTION_POINTER_DOWN:

if (mOkToFlip) {

float miny = event.getY(0);

float maxy = miny;

for (int i=1; imaxy) maxy = y;

}

if (maxy - miny < mHandleBarHeight) {

if (getMeasuredHeight() < mHandleBarHeight) {

mStatusBar.switchToSettings();

} else {

mStatusBar.flipToSettings();

}

mOkToFlip = false;

}

}

break;

}

}

return mHandleView.dispatchTouchEvent(event);

}

}

Java程序

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141行

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4.98 KB

/*

* Copyright (C) 2012 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.graphics.Canvas;

import android.graphics.drawable.Drawable;

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.EventLogTags;

import com.android.systemui.R;

import com.android.systemui.statusbar.GestureRecorder;

public class NotificationPanelView extends PanelView {

public static final boolean DEBUG_GESTURES = true;

Drawable mHandleBar;

int mHandleBarHeight;

View mHandleView;

int mFingers;

PhoneStatusBar mStatusBar;

boolean mOkToFlip;

public NotificationPanelView(Context context, AttributeSet attrs) {

super(context, attrs);

}

public void setStatusBar(PhoneStatusBar bar) {

mStatusBar = bar;

}

@Override

protected void onFinishInflate() {

super.onFinishInflate();

Resources resources = getContext().getResources();

mHandleBar = resources.getDrawable(R.drawable.status_bar_close);

mHandleBarHeight = resources.getDimensionPixelSize(R.dimen.close_handle_height);

mHandleView = findViewById(R.id.handle);

}

@Override

public void fling(float vel, boolean always) {

GestureRecorder gr = ((PhoneStatusBarView) mBar).mBar.getGestureRecorder();

if (gr != null) {

gr.tag(

"fling " + ((vel > 0) ? "open" : "closed"),

"notifications,v=" + vel);

}

super.fling(vel, always);

}

@Override

public boolean dispatchPopulateAccessibilityEvent(AccessibilityEvent event) {

if (event.getEventType() == AccessibilityEvent.TYPE_WINDOW_STATE_CHANGED) {

event.getText()

.add(getContext().getString(R.string.accessibility_desc_notification_shade));

return true;

}

return super.dispatchPopulateAccessibilityEvent(event);

}

// We draw the handle ourselves so that it's always glued to the bottom of the window.

@Override

protected void onLayout(boolean changed, int left, int top, int right, int bottom) {

super.onLayout(changed, left, top, right, bottom);

if (changed) {

final int pl = getPaddingLeft();

final int pr = getPaddingRight();

mHandleBar.setBounds(pl, 0, getWidth() - pr, (int) mHandleBarHeight);

}

}

@Override

public void draw(Canvas canvas) {

super.draw(canvas);

final int off = (int) (getHeight() - mHandleBarHeight - getPaddingBottom());

canvas.translate(0, off);

mHandleBar.setState(mHandleView.getDrawableState());

mHandleBar.draw(canvas);

canvas.translate(0, -off);

}

@Override

public boolean onTouchEvent(MotionEvent event) {

if (DEBUG_GESTURES) {

if (event.getActionMasked() != MotionEvent.ACTION_MOVE) {

EventLog.writeEvent(EventLogTags.SYSUI_NOTIFICATIONPANEL_TOUCH,

event.getActionMasked(), (int) event.getX(), (int) event.getY());

}

}

if (PhoneStatusBar.SETTINGS_DRAG_SHORTCUT && mStatusBar.mHasFlipSettings) {

switch (event.getActionMasked()) {

case MotionEvent.ACTION_DOWN:

mOkToFlip = getExpandedHeight() == 0;

break;

case MotionEvent.ACTION_POINTER_DOWN:

if (mOkToFlip) {

float miny = event.getY(0);

float maxy = miny;

for (int i=1; i

final float y = event.getY(i);

if (y < miny) miny = y;

if (y > maxy) maxy = y;

}

if (maxy - miny < mHandleBarHeight) {

if (getMeasuredHeight() < mHandleBarHeight) {

mStatusBar.switchToSettings();

} else {

mStatusBar.flipToSettings();

}

mOkToFlip = false;

}

}

break;

}

}

return mHandleView.dispatchTouchEvent(event);

}

}