1/*
2 * Copyright (C) 2014 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License
15 */
16
17package com.android.systemui.statusbar;
18
19import android.animation.Animator;
20import android.animation.AnimatorListenerAdapter;
21import android.app.INotificationManager;
22import android.app.NotificationChannel;
23import android.app.NotificationManager;
24import android.content.Context;
25import android.content.pm.ApplicationInfo;
26import android.content.pm.PackageInfo;
27import android.content.pm.PackageManager;
28import android.content.res.ColorStateList;
29import android.content.res.TypedArray;
30import android.graphics.Canvas;
31import android.graphics.drawable.Drawable;
32import android.os.Handler;
33import android.os.RemoteException;
34import android.os.ServiceManager;
35import android.service.notification.NotificationListenerService;
36import android.service.notification.StatusBarNotification;
37import android.util.AttributeSet;
38import android.util.Log;
39import android.view.View;
40import android.view.ViewAnimationUtils;
41import android.view.ViewGroup;
42import android.view.accessibility.AccessibilityEvent;
43import android.widget.FrameLayout;
44import android.widget.ImageView;
45import android.widget.LinearLayout;
46import android.widget.SeekBar;
47import android.widget.Switch;
48import android.widget.TextView;
49
50import com.android.internal.logging.MetricsLogger;
51import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
52import com.android.settingslib.Utils;
53import com.android.systemui.Interpolators;
54import com.android.systemui.R;
55import com.android.systemui.plugins.statusbar.NotificationMenuRowPlugin;
56import com.android.systemui.plugins.statusbar.NotificationMenuRowPlugin.MenuItem;
57import com.android.systemui.statusbar.stack.StackStateAnimator;
58
59import java.util.Set;
60
61/**
62 * The guts of a notification revealed when performing a long press.
63 */
64public class NotificationGuts extends FrameLayout {
65    private static final String TAG = "NotificationGuts";
66    private static final long CLOSE_GUTS_DELAY = 8000;
67
68    private Drawable mBackground;
69    private int mClipTopAmount;
70    private int mClipBottomAmount;
71    private int mActualHeight;
72    private boolean mExposed;
73
74    private Handler mHandler;
75    private Runnable mFalsingCheck;
76    private boolean mNeedsFalsingProtection;
77    private OnGutsClosedListener mClosedListener;
78    private OnHeightChangedListener mHeightListener;
79
80    private GutsContent mGutsContent;
81
82    public interface GutsContent {
83
84        public void setGutsParent(NotificationGuts listener);
85
86        /**
87         * @return the view to be shown in the notification guts.
88         */
89        public View getContentView();
90
91        /**
92         * @return the actual height of the content.
93         */
94        public int getActualHeight();
95
96        /**
97         * Called when the guts view have been told to close, typically after an outside
98         * interaction.
99         *
100         * @param save whether the state should be saved.
101         * @param force whether the guts view should be forced closed regardless of state.
102         * @return if closing the view has been handled.
103         */
104        public boolean handleCloseControls(boolean save, boolean force);
105
106        /**
107         * @return whether the notification associated with these guts is set to be removed.
108         */
109        public boolean willBeRemoved();
110
111        /**
112         * @return whether these guts are a leavebehind (e.g. {@link NotificationSnooze}).
113         */
114        public default boolean isLeavebehind() {
115            return false;
116        }
117    }
118
119    public interface OnGutsClosedListener {
120        public void onGutsClosed(NotificationGuts guts);
121    }
122
123    public interface OnHeightChangedListener {
124        public void onHeightChanged(NotificationGuts guts);
125    }
126
127    interface OnSettingsClickListener {
128        void onClick(View v, int appUid);
129    }
130
131    public NotificationGuts(Context context, AttributeSet attrs) {
132        super(context, attrs);
133        setWillNotDraw(false);
134        mHandler = new Handler();
135        mFalsingCheck = new Runnable() {
136            @Override
137            public void run() {
138                if (mNeedsFalsingProtection && mExposed) {
139                    closeControls(-1 /* x */, -1 /* y */, false /* save */, false /* force */);
140                }
141            }
142        };
143        final TypedArray ta = context.obtainStyledAttributes(attrs,
144                com.android.internal.R.styleable.Theme, 0, 0);
145        ta.recycle();
146    }
147
148    public NotificationGuts(Context context) {
149        this(context, null);
150    }
151
152    public void setGutsContent(GutsContent content) {
153        mGutsContent = content;
154        removeAllViews();
155        addView(mGutsContent.getContentView());
156    }
157
158    public GutsContent getGutsContent() {
159        return mGutsContent;
160    }
161
162    public void resetFalsingCheck() {
163        mHandler.removeCallbacks(mFalsingCheck);
164        if (mNeedsFalsingProtection && mExposed) {
165            mHandler.postDelayed(mFalsingCheck, CLOSE_GUTS_DELAY);
166        }
167    }
168
169    @Override
170    protected void onDraw(Canvas canvas) {
171        draw(canvas, mBackground);
172    }
173
174    private void draw(Canvas canvas, Drawable drawable) {
175        int top = mClipTopAmount;
176        int bottom = mActualHeight - mClipBottomAmount;
177        if (drawable != null && top < bottom) {
178            drawable.setBounds(0, top, getWidth(), bottom);
179            drawable.draw(canvas);
180        }
181    }
182
183    @Override
184    protected void onFinishInflate() {
185        super.onFinishInflate();
186        mBackground = mContext.getDrawable(R.drawable.notification_guts_bg);
187        if (mBackground != null) {
188            mBackground.setCallback(this);
189        }
190    }
191
192    @Override
193    protected boolean verifyDrawable(Drawable who) {
194        return super.verifyDrawable(who) || who == mBackground;
195    }
196
197    @Override
198    protected void drawableStateChanged() {
199        drawableStateChanged(mBackground);
200    }
201
202    private void drawableStateChanged(Drawable d) {
203        if (d != null && d.isStateful()) {
204            d.setState(getDrawableState());
205        }
206    }
207
208    @Override
209    public void drawableHotspotChanged(float x, float y) {
210        if (mBackground != null) {
211            mBackground.setHotspot(x, y);
212        }
213    }
214
215    public void closeControls(boolean leavebehinds, boolean controls, int x, int y, boolean force) {
216        if (mGutsContent != null) {
217            if (mGutsContent.isLeavebehind() && leavebehinds) {
218                closeControls(x, y, true /* save */, force);
219            } else if (!mGutsContent.isLeavebehind() && controls) {
220                closeControls(x, y, true /* save */, force);
221            }
222        }
223    }
224
225    public void closeControls(int x, int y, boolean save, boolean force) {
226        if (getWindowToken() == null) {
227            if (mClosedListener != null) {
228                mClosedListener.onGutsClosed(this);
229            }
230            return;
231        }
232
233        if (mGutsContent == null || !mGutsContent.handleCloseControls(save, force)) {
234            animateClose(x, y);
235            setExposed(false, mNeedsFalsingProtection);
236            if (mClosedListener != null) {
237                mClosedListener.onGutsClosed(this);
238            }
239        }
240    }
241
242    private void animateClose(int x, int y) {
243        if (x == -1 || y == -1) {
244            x = (getLeft() + getRight()) / 2;
245            y = (getTop() + getHeight() / 2);
246        }
247        final double horz = Math.max(getWidth() - x, x);
248        final double vert = Math.max(getHeight() - y, y);
249        final float r = (float) Math.hypot(horz, vert);
250        final Animator a = ViewAnimationUtils.createCircularReveal(this,
251                x, y, r, 0);
252        a.setDuration(StackStateAnimator.ANIMATION_DURATION_STANDARD);
253        a.setInterpolator(Interpolators.FAST_OUT_LINEAR_IN);
254        a.addListener(new AnimatorListenerAdapter() {
255            @Override
256            public void onAnimationEnd(Animator animation) {
257                super.onAnimationEnd(animation);
258                setVisibility(View.GONE);
259            }
260        });
261        a.start();
262    }
263
264    public void setActualHeight(int actualHeight) {
265        mActualHeight = actualHeight;
266        invalidate();
267    }
268
269    public int getActualHeight() {
270        return mActualHeight;
271    }
272
273    public int getIntrinsicHeight() {
274        return mGutsContent != null && mExposed ? mGutsContent.getActualHeight() : getHeight();
275    }
276
277    public void setClipTopAmount(int clipTopAmount) {
278        mClipTopAmount = clipTopAmount;
279        invalidate();
280    }
281
282    public void setClipBottomAmount(int clipBottomAmount) {
283        mClipBottomAmount = clipBottomAmount;
284        invalidate();
285    }
286
287    @Override
288    public boolean hasOverlappingRendering() {
289        // Prevents this view from creating a layer when alpha is animating.
290        return false;
291    }
292
293    public void setClosedListener(OnGutsClosedListener listener) {
294        mClosedListener = listener;
295    }
296
297    public void setHeightChangedListener(OnHeightChangedListener listener) {
298        mHeightListener = listener;
299    }
300
301    protected void onHeightChanged() {
302        if (mHeightListener != null) {
303            mHeightListener.onHeightChanged(this);
304        }
305    }
306
307    public void setExposed(boolean exposed, boolean needsFalsingProtection) {
308        final boolean wasExposed = mExposed;
309        mExposed = exposed;
310        mNeedsFalsingProtection = needsFalsingProtection;
311        if (mExposed && mNeedsFalsingProtection) {
312            resetFalsingCheck();
313        } else {
314            mHandler.removeCallbacks(mFalsingCheck);
315        }
316        if (wasExposed != mExposed && mGutsContent != null) {
317            final View contentView = mGutsContent.getContentView();
318            contentView.sendAccessibilityEvent(AccessibilityEvent.TYPE_WINDOW_STATE_CHANGED);
319            if (mExposed) {
320                contentView.requestAccessibilityFocus();
321            }
322        }
323    }
324
325    public boolean willBeRemoved() {
326        return mGutsContent != null ? mGutsContent.willBeRemoved() : false;
327    }
328
329    public boolean isExposed() {
330        return mExposed;
331    }
332}
333