GlobalScreenshot.java revision e69095869c1b324aa20991ed1805c492c3f731e8
19112ec3039dda4186c6f957981237c0691db2269Winson Chung/*
29112ec3039dda4186c6f957981237c0691db2269Winson Chung * Copyright (C) 2011 The Android Open Source Project
39112ec3039dda4186c6f957981237c0691db2269Winson Chung *
49112ec3039dda4186c6f957981237c0691db2269Winson Chung * Licensed under the Apache License, Version 2.0 (the "License");
59112ec3039dda4186c6f957981237c0691db2269Winson Chung * you may not use this file except in compliance with the License.
69112ec3039dda4186c6f957981237c0691db2269Winson Chung * You may obtain a copy of the License at
79112ec3039dda4186c6f957981237c0691db2269Winson Chung *
89112ec3039dda4186c6f957981237c0691db2269Winson Chung *      http://www.apache.org/licenses/LICENSE-2.0
99112ec3039dda4186c6f957981237c0691db2269Winson Chung *
109112ec3039dda4186c6f957981237c0691db2269Winson Chung * Unless required by applicable law or agreed to in writing, software
119112ec3039dda4186c6f957981237c0691db2269Winson Chung * distributed under the License is distributed on an "AS IS" BASIS,
129112ec3039dda4186c6f957981237c0691db2269Winson Chung * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
139112ec3039dda4186c6f957981237c0691db2269Winson Chung * See the License for the specific language governing permissions and
149112ec3039dda4186c6f957981237c0691db2269Winson Chung * limitations under the License.
159112ec3039dda4186c6f957981237c0691db2269Winson Chung */
169112ec3039dda4186c6f957981237c0691db2269Winson Chung
179112ec3039dda4186c6f957981237c0691db2269Winson Chungpackage com.android.systemui.screenshot;
189112ec3039dda4186c6f957981237c0691db2269Winson Chung
199112ec3039dda4186c6f957981237c0691db2269Winson Chungimport android.animation.Animator;
209112ec3039dda4186c6f957981237c0691db2269Winson Chungimport android.animation.AnimatorListenerAdapter;
219112ec3039dda4186c6f957981237c0691db2269Winson Chungimport android.animation.AnimatorSet;
229112ec3039dda4186c6f957981237c0691db2269Winson Chungimport android.animation.ValueAnimator;
239112ec3039dda4186c6f957981237c0691db2269Winson Chungimport android.animation.ValueAnimator.AnimatorUpdateListener;
24c57ccf01fe24ce508404c99b449e9097e6d8b270Winson Chungimport android.app.Notification;
25c57ccf01fe24ce508404c99b449e9097e6d8b270Winson Chungimport android.app.NotificationManager;
26c57ccf01fe24ce508404c99b449e9097e6d8b270Winson Chungimport android.app.PendingIntent;
279837734b640ca3a1b95812612fc01c517fb02eb4Mike Lockwoodimport android.content.ContentResolver;
289112ec3039dda4186c6f957981237c0691db2269Winson Chungimport android.content.ContentValues;
299112ec3039dda4186c6f957981237c0691db2269Winson Chungimport android.content.Context;
30c57ccf01fe24ce508404c99b449e9097e6d8b270Winson Chungimport android.content.Intent;
31c57ccf01fe24ce508404c99b449e9097e6d8b270Winson Chungimport android.content.res.Resources;
329112ec3039dda4186c6f957981237c0691db2269Winson Chungimport android.graphics.Bitmap;
339112ec3039dda4186c6f957981237c0691db2269Winson Chungimport android.graphics.Canvas;
349112ec3039dda4186c6f957981237c0691db2269Winson Chungimport android.graphics.Matrix;
359112ec3039dda4186c6f957981237c0691db2269Winson Chungimport android.graphics.PixelFormat;
36a63bb84bbe98e72871c2138ab3eb517d0f9a80efWinson Chungimport android.graphics.PointF;
37e69095869c1b324aa20991ed1805c492c3f731e8Eino-Ville Talvalaimport android.media.MediaActionSound;
389112ec3039dda4186c6f957981237c0691db2269Winson Chungimport android.net.Uri;
399112ec3039dda4186c6f957981237c0691db2269Winson Chungimport android.os.AsyncTask;
409112ec3039dda4186c6f957981237c0691db2269Winson Chungimport android.os.Environment;
4136c9e29cc6554fc1fe34565b93c2280f6a6b4cf9Winson Chungimport android.os.Process;
429112ec3039dda4186c6f957981237c0691db2269Winson Chungimport android.provider.MediaStore;
439112ec3039dda4186c6f957981237c0691db2269Winson Chungimport android.util.DisplayMetrics;
449112ec3039dda4186c6f957981237c0691db2269Winson Chungimport android.view.Display;
459112ec3039dda4186c6f957981237c0691db2269Winson Chungimport android.view.LayoutInflater;
469112ec3039dda4186c6f957981237c0691db2269Winson Chungimport android.view.MotionEvent;
479112ec3039dda4186c6f957981237c0691db2269Winson Chungimport android.view.Surface;
489112ec3039dda4186c6f957981237c0691db2269Winson Chungimport android.view.View;
499112ec3039dda4186c6f957981237c0691db2269Winson Chungimport android.view.ViewGroup;
509112ec3039dda4186c6f957981237c0691db2269Winson Chungimport android.view.WindowManager;
5122ca09595d4b6f4301414f26d6d502eb0e989a88Winson Chungimport android.view.animation.Interpolator;
529112ec3039dda4186c6f957981237c0691db2269Winson Chungimport android.widget.ImageView;
538d513eaef78f2d908dba41968ef8a13d36bb7a68Winson Chung
549112ec3039dda4186c6f957981237c0691db2269Winson Chungimport com.android.systemui.R;
559112ec3039dda4186c6f957981237c0691db2269Winson Chung
569112ec3039dda4186c6f957981237c0691db2269Winson Chungimport java.io.File;
579112ec3039dda4186c6f957981237c0691db2269Winson Chungimport java.io.OutputStream;
589112ec3039dda4186c6f957981237c0691db2269Winson Chungimport java.text.SimpleDateFormat;
599112ec3039dda4186c6f957981237c0691db2269Winson Chungimport java.util.Date;
609112ec3039dda4186c6f957981237c0691db2269Winson Chung
619112ec3039dda4186c6f957981237c0691db2269Winson Chung/**
629112ec3039dda4186c6f957981237c0691db2269Winson Chung * POD used in the AsyncTask which saves an image in the background.
639112ec3039dda4186c6f957981237c0691db2269Winson Chung */
649112ec3039dda4186c6f957981237c0691db2269Winson Chungclass SaveImageInBackgroundData {
659112ec3039dda4186c6f957981237c0691db2269Winson Chung    Context context;
669112ec3039dda4186c6f957981237c0691db2269Winson Chung    Bitmap image;
6736c9e29cc6554fc1fe34565b93c2280f6a6b4cf9Winson Chung    Uri imageUri;
68fc8fa638617efb5695a1f89ea75375faebbe2a40Dianne Hackborn    Runnable finisher;
69a63bb84bbe98e72871c2138ab3eb517d0f9a80efWinson Chung    int iconSize;
709112ec3039dda4186c6f957981237c0691db2269Winson Chung    int result;
719112ec3039dda4186c6f957981237c0691db2269Winson Chung}
729112ec3039dda4186c6f957981237c0691db2269Winson Chung
739112ec3039dda4186c6f957981237c0691db2269Winson Chung/**
749112ec3039dda4186c6f957981237c0691db2269Winson Chung * An AsyncTask that saves an image to the media store in the background.
759112ec3039dda4186c6f957981237c0691db2269Winson Chung */
769112ec3039dda4186c6f957981237c0691db2269Winson Chungclass SaveImageInBackgroundTask extends AsyncTask<SaveImageInBackgroundData, Void,
779112ec3039dda4186c6f957981237c0691db2269Winson Chung        SaveImageInBackgroundData> {
789112ec3039dda4186c6f957981237c0691db2269Winson Chung    private static final String SCREENSHOTS_DIR_NAME = "Screenshots";
79753e40b1472563987489bd5b187ced4c1b608b0dWinson Chung    private static final String SCREENSHOT_FILE_NAME_TEMPLATE = "Screenshot_%s.png";
80753e40b1472563987489bd5b187ced4c1b608b0dWinson Chung    private static final String SCREENSHOT_FILE_PATH_TEMPLATE = "%s/%s/%s";
819112ec3039dda4186c6f957981237c0691db2269Winson Chung
82c57ccf01fe24ce508404c99b449e9097e6d8b270Winson Chung    private int mNotificationId;
83c57ccf01fe24ce508404c99b449e9097e6d8b270Winson Chung    private NotificationManager mNotificationManager;
84c57ccf01fe24ce508404c99b449e9097e6d8b270Winson Chung    private Notification.Builder mNotificationBuilder;
85c57ccf01fe24ce508404c99b449e9097e6d8b270Winson Chung    private String mImageFileName;
86c57ccf01fe24ce508404c99b449e9097e6d8b270Winson Chung    private String mImageFilePath;
87c57ccf01fe24ce508404c99b449e9097e6d8b270Winson Chung    private long mImageTime;
88c57ccf01fe24ce508404c99b449e9097e6d8b270Winson Chung
89a63bb84bbe98e72871c2138ab3eb517d0f9a80efWinson Chung    // WORKAROUND: We want the same notification across screenshots that we update so that we don't
90a63bb84bbe98e72871c2138ab3eb517d0f9a80efWinson Chung    // spam a user's notification drawer.  However, we only show the ticker for the saving state
91a63bb84bbe98e72871c2138ab3eb517d0f9a80efWinson Chung    // and if the ticker text is the same as the previous notification, then it will not show. So
92a63bb84bbe98e72871c2138ab3eb517d0f9a80efWinson Chung    // for now, we just add and remove a space from the ticker text to trigger the animation when
93a63bb84bbe98e72871c2138ab3eb517d0f9a80efWinson Chung    // necessary.
94a63bb84bbe98e72871c2138ab3eb517d0f9a80efWinson Chung    private static boolean mTickerAddSpace;
95a63bb84bbe98e72871c2138ab3eb517d0f9a80efWinson Chung
96a63bb84bbe98e72871c2138ab3eb517d0f9a80efWinson Chung    SaveImageInBackgroundTask(Context context, SaveImageInBackgroundData data,
97a63bb84bbe98e72871c2138ab3eb517d0f9a80efWinson Chung            NotificationManager nManager, int nId) {
98c57ccf01fe24ce508404c99b449e9097e6d8b270Winson Chung        Resources r = context.getResources();
99c57ccf01fe24ce508404c99b449e9097e6d8b270Winson Chung
100c57ccf01fe24ce508404c99b449e9097e6d8b270Winson Chung        // Prepare all the output metadata
101c57ccf01fe24ce508404c99b449e9097e6d8b270Winson Chung        mImageTime = System.currentTimeMillis();
1028279acb965abedb5cc1942c399c078eb477cec7aRomain Guy        String imageDate = new SimpleDateFormat("yyyy-MM-dd-HH-mm-ss").format(new Date(mImageTime));
1038279acb965abedb5cc1942c399c078eb477cec7aRomain Guy        String imageDir = Environment.getExternalStoragePublicDirectory(
104c57ccf01fe24ce508404c99b449e9097e6d8b270Winson Chung                Environment.DIRECTORY_PICTURES).getAbsolutePath();
1058279acb965abedb5cc1942c399c078eb477cec7aRomain Guy        mImageFileName = String.format(SCREENSHOT_FILE_NAME_TEMPLATE, imageDate);
1068279acb965abedb5cc1942c399c078eb477cec7aRomain Guy        mImageFilePath = String.format(SCREENSHOT_FILE_PATH_TEMPLATE, imageDir,
107c57ccf01fe24ce508404c99b449e9097e6d8b270Winson Chung                SCREENSHOTS_DIR_NAME, mImageFileName);
108c57ccf01fe24ce508404c99b449e9097e6d8b270Winson Chung
109a63bb84bbe98e72871c2138ab3eb517d0f9a80efWinson Chung        // Create the large notification icon
110a63bb84bbe98e72871c2138ab3eb517d0f9a80efWinson Chung        int imageWidth = data.image.getWidth();
111a63bb84bbe98e72871c2138ab3eb517d0f9a80efWinson Chung        int imageHeight = data.image.getHeight();
112a63bb84bbe98e72871c2138ab3eb517d0f9a80efWinson Chung        int iconWidth = data.iconSize;
113a63bb84bbe98e72871c2138ab3eb517d0f9a80efWinson Chung        int iconHeight = data.iconSize;
114a63bb84bbe98e72871c2138ab3eb517d0f9a80efWinson Chung        if (imageWidth > imageHeight) {
115a63bb84bbe98e72871c2138ab3eb517d0f9a80efWinson Chung            iconWidth = (int) (((float) iconHeight / imageHeight) * imageWidth);
116a63bb84bbe98e72871c2138ab3eb517d0f9a80efWinson Chung        } else {
117a63bb84bbe98e72871c2138ab3eb517d0f9a80efWinson Chung            iconHeight = (int) (((float) iconWidth / imageWidth) * imageHeight);
118a63bb84bbe98e72871c2138ab3eb517d0f9a80efWinson Chung        }
119a63bb84bbe98e72871c2138ab3eb517d0f9a80efWinson Chung        Bitmap rawIcon = Bitmap.createScaledBitmap(data.image, iconWidth, iconHeight, true);
120a63bb84bbe98e72871c2138ab3eb517d0f9a80efWinson Chung        Bitmap croppedIcon = Bitmap.createBitmap(rawIcon, (iconWidth - data.iconSize) / 2,
121a63bb84bbe98e72871c2138ab3eb517d0f9a80efWinson Chung                (iconHeight - data.iconSize) / 2, data.iconSize, data.iconSize);
122a63bb84bbe98e72871c2138ab3eb517d0f9a80efWinson Chung
123c57ccf01fe24ce508404c99b449e9097e6d8b270Winson Chung        // Show the intermediate notification
124a63bb84bbe98e72871c2138ab3eb517d0f9a80efWinson Chung        mTickerAddSpace = !mTickerAddSpace;
125c57ccf01fe24ce508404c99b449e9097e6d8b270Winson Chung        mNotificationId = nId;
1269c99aee5b9ea0b929611548b48780fbffa4daeafWinson Chung        mNotificationManager = nManager;
127c57ccf01fe24ce508404c99b449e9097e6d8b270Winson Chung        mNotificationBuilder = new Notification.Builder(context)
128a63bb84bbe98e72871c2138ab3eb517d0f9a80efWinson Chung            .setTicker(r.getString(R.string.screenshot_saving_ticker)
129a63bb84bbe98e72871c2138ab3eb517d0f9a80efWinson Chung                    + (mTickerAddSpace ? " " : ""))
130c57ccf01fe24ce508404c99b449e9097e6d8b270Winson Chung            .setContentTitle(r.getString(R.string.screenshot_saving_title))
131c57ccf01fe24ce508404c99b449e9097e6d8b270Winson Chung            .setContentText(r.getString(R.string.screenshot_saving_text))
132b787a751760de544f0d83bb7ddf9405ae6e4e481Winson Chung            .setSmallIcon(R.drawable.stat_notify_image)
133c57ccf01fe24ce508404c99b449e9097e6d8b270Winson Chung            .setWhen(System.currentTimeMillis());
134c57ccf01fe24ce508404c99b449e9097e6d8b270Winson Chung        Notification n = mNotificationBuilder.getNotification();
135c57ccf01fe24ce508404c99b449e9097e6d8b270Winson Chung        n.flags |= Notification.FLAG_NO_CLEAR;
136c57ccf01fe24ce508404c99b449e9097e6d8b270Winson Chung        mNotificationManager.notify(nId, n);
1379c99aee5b9ea0b929611548b48780fbffa4daeafWinson Chung
1389c99aee5b9ea0b929611548b48780fbffa4daeafWinson Chung        // On the tablet, the large icon makes the notification appear as if it is clickable (and
1399c99aee5b9ea0b929611548b48780fbffa4daeafWinson Chung        // on small devices, the large icon is not shown) so defer showing the large icon until
1409c99aee5b9ea0b929611548b48780fbffa4daeafWinson Chung        // we compose the final post-save notification below.
1419c99aee5b9ea0b929611548b48780fbffa4daeafWinson Chung        mNotificationBuilder.setLargeIcon(croppedIcon);
142c57ccf01fe24ce508404c99b449e9097e6d8b270Winson Chung    }
143c57ccf01fe24ce508404c99b449e9097e6d8b270Winson Chung
1449112ec3039dda4186c6f957981237c0691db2269Winson Chung    @Override
1459112ec3039dda4186c6f957981237c0691db2269Winson Chung    protected SaveImageInBackgroundData doInBackground(SaveImageInBackgroundData... params) {
1469112ec3039dda4186c6f957981237c0691db2269Winson Chung        if (params.length != 1) return null;
1479112ec3039dda4186c6f957981237c0691db2269Winson Chung
14836c9e29cc6554fc1fe34565b93c2280f6a6b4cf9Winson Chung        // By default, AsyncTask sets the worker thread to have background thread priority, so bump
14936c9e29cc6554fc1fe34565b93c2280f6a6b4cf9Winson Chung        // it back up so that we save a little quicker.
15036c9e29cc6554fc1fe34565b93c2280f6a6b4cf9Winson Chung        Process.setThreadPriority(Process.THREAD_PRIORITY_FOREGROUND);
15136c9e29cc6554fc1fe34565b93c2280f6a6b4cf9Winson Chung
1529112ec3039dda4186c6f957981237c0691db2269Winson Chung        Context context = params[0].context;
1539112ec3039dda4186c6f957981237c0691db2269Winson Chung        Bitmap image = params[0].image;
1549112ec3039dda4186c6f957981237c0691db2269Winson Chung
155d859fa399133da32705415e138c897f263ae99adWinson Chung        try {
1569112ec3039dda4186c6f957981237c0691db2269Winson Chung            // Save the screenshot to the MediaStore
1579112ec3039dda4186c6f957981237c0691db2269Winson Chung            ContentValues values = new ContentValues();
1589837734b640ca3a1b95812612fc01c517fb02eb4Mike Lockwood            ContentResolver resolver = context.getContentResolver();
159c57ccf01fe24ce508404c99b449e9097e6d8b270Winson Chung            values.put(MediaStore.Images.ImageColumns.DATA, mImageFilePath);
160c57ccf01fe24ce508404c99b449e9097e6d8b270Winson Chung            values.put(MediaStore.Images.ImageColumns.TITLE, mImageFileName);
161c57ccf01fe24ce508404c99b449e9097e6d8b270Winson Chung            values.put(MediaStore.Images.ImageColumns.DISPLAY_NAME, mImageFileName);
162c57ccf01fe24ce508404c99b449e9097e6d8b270Winson Chung            values.put(MediaStore.Images.ImageColumns.DATE_TAKEN, mImageTime);
163c57ccf01fe24ce508404c99b449e9097e6d8b270Winson Chung            values.put(MediaStore.Images.ImageColumns.DATE_ADDED, mImageTime);
164c57ccf01fe24ce508404c99b449e9097e6d8b270Winson Chung            values.put(MediaStore.Images.ImageColumns.DATE_MODIFIED, mImageTime);
1659112ec3039dda4186c6f957981237c0691db2269Winson Chung            values.put(MediaStore.Images.ImageColumns.MIME_TYPE, "image/png");
1669837734b640ca3a1b95812612fc01c517fb02eb4Mike Lockwood            Uri uri = resolver.insert(MediaStore.Images.Media.EXTERNAL_CONTENT_URI, values);
1679112ec3039dda4186c6f957981237c0691db2269Winson Chung
1689837734b640ca3a1b95812612fc01c517fb02eb4Mike Lockwood            OutputStream out = resolver.openOutputStream(uri);
1699112ec3039dda4186c6f957981237c0691db2269Winson Chung            image.compress(Bitmap.CompressFormat.PNG, 100, out);
1709112ec3039dda4186c6f957981237c0691db2269Winson Chung            out.flush();
1719112ec3039dda4186c6f957981237c0691db2269Winson Chung            out.close();
1729112ec3039dda4186c6f957981237c0691db2269Winson Chung
1739837734b640ca3a1b95812612fc01c517fb02eb4Mike Lockwood            // update file size in the database
1749837734b640ca3a1b95812612fc01c517fb02eb4Mike Lockwood            values.clear();
175c57ccf01fe24ce508404c99b449e9097e6d8b270Winson Chung            values.put(MediaStore.Images.ImageColumns.SIZE, new File(mImageFilePath).length());
1769837734b640ca3a1b95812612fc01c517fb02eb4Mike Lockwood            resolver.update(uri, values, null, null);
1779837734b640ca3a1b95812612fc01c517fb02eb4Mike Lockwood
17836c9e29cc6554fc1fe34565b93c2280f6a6b4cf9Winson Chung            params[0].imageUri = uri;
1799112ec3039dda4186c6f957981237c0691db2269Winson Chung            params[0].result = 0;
180d859fa399133da32705415e138c897f263ae99adWinson Chung        } catch (Exception e) {
181d859fa399133da32705415e138c897f263ae99adWinson Chung            // IOException/UnsupportedOperationException may be thrown if external storage is not
182d859fa399133da32705415e138c897f263ae99adWinson Chung            // mounted
1839112ec3039dda4186c6f957981237c0691db2269Winson Chung            params[0].result = 1;
1849112ec3039dda4186c6f957981237c0691db2269Winson Chung        }
1859112ec3039dda4186c6f957981237c0691db2269Winson Chung
1869112ec3039dda4186c6f957981237c0691db2269Winson Chung        return params[0];
1878279acb965abedb5cc1942c399c078eb477cec7aRomain Guy    }
1889112ec3039dda4186c6f957981237c0691db2269Winson Chung
1899112ec3039dda4186c6f957981237c0691db2269Winson Chung    @Override
1909112ec3039dda4186c6f957981237c0691db2269Winson Chung    protected void onPostExecute(SaveImageInBackgroundData params) {
1919112ec3039dda4186c6f957981237c0691db2269Winson Chung        if (params.result > 0) {
1929112ec3039dda4186c6f957981237c0691db2269Winson Chung            // Show a message that we've failed to save the image to disk
193c57ccf01fe24ce508404c99b449e9097e6d8b270Winson Chung            GlobalScreenshot.notifyScreenshotError(params.context, mNotificationManager);
1949112ec3039dda4186c6f957981237c0691db2269Winson Chung        } else {
195c57ccf01fe24ce508404c99b449e9097e6d8b270Winson Chung            // Show the final notification to indicate screenshot saved
196c57ccf01fe24ce508404c99b449e9097e6d8b270Winson Chung            Resources r = params.context.getResources();
197c57ccf01fe24ce508404c99b449e9097e6d8b270Winson Chung
19836c9e29cc6554fc1fe34565b93c2280f6a6b4cf9Winson Chung            // Create the intent to show the screenshot in gallery
1998279acb965abedb5cc1942c399c078eb477cec7aRomain Guy            Intent launchIntent = new Intent(Intent.ACTION_VIEW);
2008279acb965abedb5cc1942c399c078eb477cec7aRomain Guy            launchIntent.setDataAndType(params.imageUri, "image/png");
2018279acb965abedb5cc1942c399c078eb477cec7aRomain Guy            launchIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
20236c9e29cc6554fc1fe34565b93c2280f6a6b4cf9Winson Chung
203c57ccf01fe24ce508404c99b449e9097e6d8b270Winson Chung            mNotificationBuilder
204c57ccf01fe24ce508404c99b449e9097e6d8b270Winson Chung                .setContentTitle(r.getString(R.string.screenshot_saved_title))
205c57ccf01fe24ce508404c99b449e9097e6d8b270Winson Chung                .setContentText(r.getString(R.string.screenshot_saved_text))
2068279acb965abedb5cc1942c399c078eb477cec7aRomain Guy                .setContentIntent(PendingIntent.getActivity(params.context, 0, launchIntent, 0))
207c57ccf01fe24ce508404c99b449e9097e6d8b270Winson Chung                .setWhen(System.currentTimeMillis())
208c57ccf01fe24ce508404c99b449e9097e6d8b270Winson Chung                .setAutoCancel(true);
209c57ccf01fe24ce508404c99b449e9097e6d8b270Winson Chung
210c57ccf01fe24ce508404c99b449e9097e6d8b270Winson Chung            Notification n = mNotificationBuilder.getNotification();
211c57ccf01fe24ce508404c99b449e9097e6d8b270Winson Chung            n.flags &= ~Notification.FLAG_NO_CLEAR;
212c57ccf01fe24ce508404c99b449e9097e6d8b270Winson Chung            mNotificationManager.notify(mNotificationId, n);
2139112ec3039dda4186c6f957981237c0691db2269Winson Chung        }
214fc8fa638617efb5695a1f89ea75375faebbe2a40Dianne Hackborn        params.finisher.run();
2158279acb965abedb5cc1942c399c078eb477cec7aRomain Guy    }
2169112ec3039dda4186c6f957981237c0691db2269Winson Chung}
2179112ec3039dda4186c6f957981237c0691db2269Winson Chung
2189112ec3039dda4186c6f957981237c0691db2269Winson Chung/**
2199112ec3039dda4186c6f957981237c0691db2269Winson Chung * TODO:
2209112ec3039dda4186c6f957981237c0691db2269Winson Chung *   - Performance when over gl surfaces? Ie. Gallery
2219112ec3039dda4186c6f957981237c0691db2269Winson Chung *   - what do we say in the Toast? Which icon do we get if the user uses another
2229112ec3039dda4186c6f957981237c0691db2269Winson Chung *     type of gallery?
2239112ec3039dda4186c6f957981237c0691db2269Winson Chung */
2249112ec3039dda4186c6f957981237c0691db2269Winson Chungclass GlobalScreenshot {
225c57ccf01fe24ce508404c99b449e9097e6d8b270Winson Chung    private static final int SCREENSHOT_NOTIFICATION_ID = 789;
22622ca09595d4b6f4301414f26d6d502eb0e989a88Winson Chung    private static final int SCREENSHOT_FLASH_TO_PEAK_DURATION = 130;
22722ca09595d4b6f4301414f26d6d502eb0e989a88Winson Chung    private static final int SCREENSHOT_DROP_IN_DURATION = 430;
22822ca09595d4b6f4301414f26d6d502eb0e989a88Winson Chung    private static final int SCREENSHOT_DROP_OUT_DELAY = 500;
22922ca09595d4b6f4301414f26d6d502eb0e989a88Winson Chung    private static final int SCREENSHOT_DROP_OUT_DURATION = 430;
23022ca09595d4b6f4301414f26d6d502eb0e989a88Winson Chung    private static final int SCREENSHOT_DROP_OUT_SCALE_DURATION = 370;
23122ca09595d4b6f4301414f26d6d502eb0e989a88Winson Chung    private static final int SCREENSHOT_FAST_DROP_OUT_DURATION = 320;
23222ca09595d4b6f4301414f26d6d502eb0e989a88Winson Chung    private static final float BACKGROUND_ALPHA = 0.5f;
23322ca09595d4b6f4301414f26d6d502eb0e989a88Winson Chung    private static final float SCREENSHOT_SCALE = 1f;
23422ca09595d4b6f4301414f26d6d502eb0e989a88Winson Chung    private static final float SCREENSHOT_DROP_IN_MIN_SCALE = SCREENSHOT_SCALE * 0.725f;
23522ca09595d4b6f4301414f26d6d502eb0e989a88Winson Chung    private static final float SCREENSHOT_DROP_OUT_MIN_SCALE = SCREENSHOT_SCALE * 0.45f;
23622ca09595d4b6f4301414f26d6d502eb0e989a88Winson Chung    private static final float SCREENSHOT_FAST_DROP_OUT_MIN_SCALE = SCREENSHOT_SCALE * 0.6f;
23722ca09595d4b6f4301414f26d6d502eb0e989a88Winson Chung    private static final float SCREENSHOT_DROP_OUT_MIN_SCALE_OFFSET = 0f;
2389112ec3039dda4186c6f957981237c0691db2269Winson Chung
2399112ec3039dda4186c6f957981237c0691db2269Winson Chung    private Context mContext;
2409112ec3039dda4186c6f957981237c0691db2269Winson Chung    private WindowManager mWindowManager;
2419112ec3039dda4186c6f957981237c0691db2269Winson Chung    private WindowManager.LayoutParams mWindowLayoutParams;
242c57ccf01fe24ce508404c99b449e9097e6d8b270Winson Chung    private NotificationManager mNotificationManager;
2439112ec3039dda4186c6f957981237c0691db2269Winson Chung    private Display mDisplay;
2449112ec3039dda4186c6f957981237c0691db2269Winson Chung    private DisplayMetrics mDisplayMetrics;
2459112ec3039dda4186c6f957981237c0691db2269Winson Chung    private Matrix mDisplayMatrix;
2469112ec3039dda4186c6f957981237c0691db2269Winson Chung
2479112ec3039dda4186c6f957981237c0691db2269Winson Chung    private Bitmap mScreenBitmap;
2489112ec3039dda4186c6f957981237c0691db2269Winson Chung    private View mScreenshotLayout;
2499112ec3039dda4186c6f957981237c0691db2269Winson Chung    private ImageView mBackgroundView;
2509112ec3039dda4186c6f957981237c0691db2269Winson Chung    private ImageView mScreenshotView;
25122ca09595d4b6f4301414f26d6d502eb0e989a88Winson Chung    private ImageView mScreenshotFlash;
2529112ec3039dda4186c6f957981237c0691db2269Winson Chung
2539112ec3039dda4186c6f957981237c0691db2269Winson Chung    private AnimatorSet mScreenshotAnimation;
2549112ec3039dda4186c6f957981237c0691db2269Winson Chung
255a63bb84bbe98e72871c2138ab3eb517d0f9a80efWinson Chung    private int mNotificationIconSize;
256a63bb84bbe98e72871c2138ab3eb517d0f9a80efWinson Chung    private float mBgPadding;
257a63bb84bbe98e72871c2138ab3eb517d0f9a80efWinson Chung    private float mBgPaddingScale;
258a63bb84bbe98e72871c2138ab3eb517d0f9a80efWinson Chung
259e69095869c1b324aa20991ed1805c492c3f731e8Eino-Ville Talvala    private MediaActionSound mCameraSound;
2608d513eaef78f2d908dba41968ef8a13d36bb7a68Winson Chung
2619112ec3039dda4186c6f957981237c0691db2269Winson Chung
2629112ec3039dda4186c6f957981237c0691db2269Winson Chung    /**
2639112ec3039dda4186c6f957981237c0691db2269Winson Chung     * @param context everything needs a context :(
2649112ec3039dda4186c6f957981237c0691db2269Winson Chung     */
2659112ec3039dda4186c6f957981237c0691db2269Winson Chung    public GlobalScreenshot(Context context) {
266a63bb84bbe98e72871c2138ab3eb517d0f9a80efWinson Chung        Resources r = context.getResources();
2679112ec3039dda4186c6f957981237c0691db2269Winson Chung        mContext = context;
2688279acb965abedb5cc1942c399c078eb477cec7aRomain Guy        LayoutInflater layoutInflater = (LayoutInflater)
2699112ec3039dda4186c6f957981237c0691db2269Winson Chung                context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
2709112ec3039dda4186c6f957981237c0691db2269Winson Chung
2719112ec3039dda4186c6f957981237c0691db2269Winson Chung        // Inflate the screenshot layout
2729112ec3039dda4186c6f957981237c0691db2269Winson Chung        mDisplayMatrix = new Matrix();
2738279acb965abedb5cc1942c399c078eb477cec7aRomain Guy        mScreenshotLayout = layoutInflater.inflate(R.layout.global_screenshot, null);
2749112ec3039dda4186c6f957981237c0691db2269Winson Chung        mBackgroundView = (ImageView) mScreenshotLayout.findViewById(R.id.global_screenshot_background);
2759112ec3039dda4186c6f957981237c0691db2269Winson Chung        mScreenshotView = (ImageView) mScreenshotLayout.findViewById(R.id.global_screenshot);
27622ca09595d4b6f4301414f26d6d502eb0e989a88Winson Chung        mScreenshotFlash = (ImageView) mScreenshotLayout.findViewById(R.id.global_screenshot_flash);
2779112ec3039dda4186c6f957981237c0691db2269Winson Chung        mScreenshotLayout.setFocusable(true);
2789112ec3039dda4186c6f957981237c0691db2269Winson Chung        mScreenshotLayout.setOnTouchListener(new View.OnTouchListener() {
2799112ec3039dda4186c6f957981237c0691db2269Winson Chung            @Override
2809112ec3039dda4186c6f957981237c0691db2269Winson Chung            public boolean onTouch(View v, MotionEvent event) {
2819112ec3039dda4186c6f957981237c0691db2269Winson Chung                // Intercept and ignore all touch events
2829112ec3039dda4186c6f957981237c0691db2269Winson Chung                return true;
2839112ec3039dda4186c6f957981237c0691db2269Winson Chung            }
2849112ec3039dda4186c6f957981237c0691db2269Winson Chung        });
2859112ec3039dda4186c6f957981237c0691db2269Winson Chung
2869112ec3039dda4186c6f957981237c0691db2269Winson Chung        // Setup the window that we are going to use
2879112ec3039dda4186c6f957981237c0691db2269Winson Chung        mWindowLayoutParams = new WindowManager.LayoutParams(
2889112ec3039dda4186c6f957981237c0691db2269Winson Chung                ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT, 0, 0,
2899112ec3039dda4186c6f957981237c0691db2269Winson Chung                WindowManager.LayoutParams.TYPE_SECURE_SYSTEM_OVERLAY,
2909112ec3039dda4186c6f957981237c0691db2269Winson Chung                WindowManager.LayoutParams.FLAG_FULLSCREEN
2919112ec3039dda4186c6f957981237c0691db2269Winson Chung                    | WindowManager.LayoutParams.FLAG_HARDWARE_ACCELERATED
2929112ec3039dda4186c6f957981237c0691db2269Winson Chung                    | WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN
2939112ec3039dda4186c6f957981237c0691db2269Winson Chung                    | WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED,
2949112ec3039dda4186c6f957981237c0691db2269Winson Chung                PixelFormat.TRANSLUCENT);
2959112ec3039dda4186c6f957981237c0691db2269Winson Chung        mWindowLayoutParams.setTitle("ScreenshotAnimation");
2969112ec3039dda4186c6f957981237c0691db2269Winson Chung        mWindowManager = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE);
297c57ccf01fe24ce508404c99b449e9097e6d8b270Winson Chung        mNotificationManager =
298c57ccf01fe24ce508404c99b449e9097e6d8b270Winson Chung            (NotificationManager) context.getSystemService(Context.NOTIFICATION_SERVICE);
2999112ec3039dda4186c6f957981237c0691db2269Winson Chung        mDisplay = mWindowManager.getDefaultDisplay();
300a63bb84bbe98e72871c2138ab3eb517d0f9a80efWinson Chung        mDisplayMetrics = new DisplayMetrics();
301a63bb84bbe98e72871c2138ab3eb517d0f9a80efWinson Chung        mDisplay.getRealMetrics(mDisplayMetrics);
302a63bb84bbe98e72871c2138ab3eb517d0f9a80efWinson Chung
303a63bb84bbe98e72871c2138ab3eb517d0f9a80efWinson Chung        // Get the various target sizes
304a63bb84bbe98e72871c2138ab3eb517d0f9a80efWinson Chung        mNotificationIconSize =
305a63bb84bbe98e72871c2138ab3eb517d0f9a80efWinson Chung            r.getDimensionPixelSize(android.R.dimen.notification_large_icon_height);
306a63bb84bbe98e72871c2138ab3eb517d0f9a80efWinson Chung
307a63bb84bbe98e72871c2138ab3eb517d0f9a80efWinson Chung        // Scale has to account for both sides of the bg
308a63bb84bbe98e72871c2138ab3eb517d0f9a80efWinson Chung        mBgPadding = (float) r.getDimensionPixelSize(R.dimen.global_screenshot_bg_padding);
30922ca09595d4b6f4301414f26d6d502eb0e989a88Winson Chung        mBgPaddingScale = mBgPadding /  mDisplayMetrics.widthPixels;
3108d513eaef78f2d908dba41968ef8a13d36bb7a68Winson Chung
3118d513eaef78f2d908dba41968ef8a13d36bb7a68Winson Chung        // Setup the Camera shutter sound
312e69095869c1b324aa20991ed1805c492c3f731e8Eino-Ville Talvala        mCameraSound = new MediaActionSound();
313e69095869c1b324aa20991ed1805c492c3f731e8Eino-Ville Talvala        mCameraSound.load(MediaActionSound.SHUTTER_CLICK);
3149112ec3039dda4186c6f957981237c0691db2269Winson Chung    }
3159112ec3039dda4186c6f957981237c0691db2269Winson Chung
3169112ec3039dda4186c6f957981237c0691db2269Winson Chung    /**
3179112ec3039dda4186c6f957981237c0691db2269Winson Chung     * Creates a new worker thread and saves the screenshot to the media store.
3189112ec3039dda4186c6f957981237c0691db2269Winson Chung     */
319fc8fa638617efb5695a1f89ea75375faebbe2a40Dianne Hackborn    private void saveScreenshotInWorkerThread(Runnable finisher) {
3209112ec3039dda4186c6f957981237c0691db2269Winson Chung        SaveImageInBackgroundData data = new SaveImageInBackgroundData();
3219112ec3039dda4186c6f957981237c0691db2269Winson Chung        data.context = mContext;
3229112ec3039dda4186c6f957981237c0691db2269Winson Chung        data.image = mScreenBitmap;
323a63bb84bbe98e72871c2138ab3eb517d0f9a80efWinson Chung        data.iconSize = mNotificationIconSize;
324fc8fa638617efb5695a1f89ea75375faebbe2a40Dianne Hackborn        data.finisher = finisher;
325a63bb84bbe98e72871c2138ab3eb517d0f9a80efWinson Chung        new SaveImageInBackgroundTask(mContext, data, mNotificationManager,
326a63bb84bbe98e72871c2138ab3eb517d0f9a80efWinson Chung                SCREENSHOT_NOTIFICATION_ID).execute(data);
3279112ec3039dda4186c6f957981237c0691db2269Winson Chung    }
3289112ec3039dda4186c6f957981237c0691db2269Winson Chung
3299112ec3039dda4186c6f957981237c0691db2269Winson Chung    /**
3309112ec3039dda4186c6f957981237c0691db2269Winson Chung     * @return the current display rotation in degrees
3319112ec3039dda4186c6f957981237c0691db2269Winson Chung     */
3329112ec3039dda4186c6f957981237c0691db2269Winson Chung    private float getDegreesForRotation(int value) {
3339112ec3039dda4186c6f957981237c0691db2269Winson Chung        switch (value) {
3349112ec3039dda4186c6f957981237c0691db2269Winson Chung        case Surface.ROTATION_90:
335a63bb84bbe98e72871c2138ab3eb517d0f9a80efWinson Chung            return 360f - 90f;
3369112ec3039dda4186c6f957981237c0691db2269Winson Chung        case Surface.ROTATION_180:
337a63bb84bbe98e72871c2138ab3eb517d0f9a80efWinson Chung            return 360f - 180f;
3389112ec3039dda4186c6f957981237c0691db2269Winson Chung        case Surface.ROTATION_270:
339a63bb84bbe98e72871c2138ab3eb517d0f9a80efWinson Chung            return 360f - 270f;
3409112ec3039dda4186c6f957981237c0691db2269Winson Chung        }
3419112ec3039dda4186c6f957981237c0691db2269Winson Chung        return 0f;
3429112ec3039dda4186c6f957981237c0691db2269Winson Chung    }
3439112ec3039dda4186c6f957981237c0691db2269Winson Chung
3449112ec3039dda4186c6f957981237c0691db2269Winson Chung    /**
3459112ec3039dda4186c6f957981237c0691db2269Winson Chung     * Takes a screenshot of the current display and shows an animation.
3469112ec3039dda4186c6f957981237c0691db2269Winson Chung     */
347a63bb84bbe98e72871c2138ab3eb517d0f9a80efWinson Chung    void takeScreenshot(Runnable finisher, boolean statusBarVisible, boolean navBarVisible) {
3489112ec3039dda4186c6f957981237c0691db2269Winson Chung        // We need to orient the screenshot correctly (and the Surface api seems to take screenshots
3499112ec3039dda4186c6f957981237c0691db2269Winson Chung        // only in the natural orientation of the device :!)
3509112ec3039dda4186c6f957981237c0691db2269Winson Chung        mDisplay.getRealMetrics(mDisplayMetrics);
3519112ec3039dda4186c6f957981237c0691db2269Winson Chung        float[] dims = {mDisplayMetrics.widthPixels, mDisplayMetrics.heightPixels};
3529112ec3039dda4186c6f957981237c0691db2269Winson Chung        float degrees = getDegreesForRotation(mDisplay.getRotation());
3539112ec3039dda4186c6f957981237c0691db2269Winson Chung        boolean requiresRotation = (degrees > 0);
3549112ec3039dda4186c6f957981237c0691db2269Winson Chung        if (requiresRotation) {
3559112ec3039dda4186c6f957981237c0691db2269Winson Chung            // Get the dimensions of the device in its native orientation
3569112ec3039dda4186c6f957981237c0691db2269Winson Chung            mDisplayMatrix.reset();
3579112ec3039dda4186c6f957981237c0691db2269Winson Chung            mDisplayMatrix.preRotate(-degrees);
3589112ec3039dda4186c6f957981237c0691db2269Winson Chung            mDisplayMatrix.mapPoints(dims);
3599112ec3039dda4186c6f957981237c0691db2269Winson Chung            dims[0] = Math.abs(dims[0]);
3609112ec3039dda4186c6f957981237c0691db2269Winson Chung            dims[1] = Math.abs(dims[1]);
3619112ec3039dda4186c6f957981237c0691db2269Winson Chung        }
362a46d77863565671cd19b79f8af441d8d658953beWinson Chung
363a46d77863565671cd19b79f8af441d8d658953beWinson Chung        // Take the screenshot
3649112ec3039dda4186c6f957981237c0691db2269Winson Chung        mScreenBitmap = Surface.screenshot((int) dims[0], (int) dims[1]);
365a46d77863565671cd19b79f8af441d8d658953beWinson Chung        if (mScreenBitmap == null) {
366a46d77863565671cd19b79f8af441d8d658953beWinson Chung            notifyScreenshotError(mContext, mNotificationManager);
367a46d77863565671cd19b79f8af441d8d658953beWinson Chung            finisher.run();
368a46d77863565671cd19b79f8af441d8d658953beWinson Chung            return;
369a46d77863565671cd19b79f8af441d8d658953beWinson Chung        }
370a46d77863565671cd19b79f8af441d8d658953beWinson Chung
3719112ec3039dda4186c6f957981237c0691db2269Winson Chung        if (requiresRotation) {
3729112ec3039dda4186c6f957981237c0691db2269Winson Chung            // Rotate the screenshot to the current orientation
3739112ec3039dda4186c6f957981237c0691db2269Winson Chung            Bitmap ss = Bitmap.createBitmap(mDisplayMetrics.widthPixels,
3749112ec3039dda4186c6f957981237c0691db2269Winson Chung                    mDisplayMetrics.heightPixels, Bitmap.Config.ARGB_8888);
3759112ec3039dda4186c6f957981237c0691db2269Winson Chung            Canvas c = new Canvas(ss);
3769112ec3039dda4186c6f957981237c0691db2269Winson Chung            c.translate(ss.getWidth() / 2, ss.getHeight() / 2);
377a63bb84bbe98e72871c2138ab3eb517d0f9a80efWinson Chung            c.rotate(degrees);
3789112ec3039dda4186c6f957981237c0691db2269Winson Chung            c.translate(-dims[0] / 2, -dims[1] / 2);
3799112ec3039dda4186c6f957981237c0691db2269Winson Chung            c.drawBitmap(mScreenBitmap, 0, 0, null);
3806311d0a079702b29984c0d31937345be105e1a5eDianne Hackborn            c.setBitmap(null);
3819112ec3039dda4186c6f957981237c0691db2269Winson Chung            mScreenBitmap = ss;
3829112ec3039dda4186c6f957981237c0691db2269Winson Chung        }
3839112ec3039dda4186c6f957981237c0691db2269Winson Chung
384a63bb84bbe98e72871c2138ab3eb517d0f9a80efWinson Chung        // Optimizations
385a63bb84bbe98e72871c2138ab3eb517d0f9a80efWinson Chung        mScreenBitmap.setHasAlpha(false);
386a63bb84bbe98e72871c2138ab3eb517d0f9a80efWinson Chung        mScreenBitmap.prepareToDraw();
387a63bb84bbe98e72871c2138ab3eb517d0f9a80efWinson Chung
3889112ec3039dda4186c6f957981237c0691db2269Winson Chung        // Start the post-screenshot animation
389a63bb84bbe98e72871c2138ab3eb517d0f9a80efWinson Chung        startAnimation(finisher, mDisplayMetrics.widthPixels, mDisplayMetrics.heightPixels,
390a63bb84bbe98e72871c2138ab3eb517d0f9a80efWinson Chung                statusBarVisible, navBarVisible);
3919112ec3039dda4186c6f957981237c0691db2269Winson Chung    }
3929112ec3039dda4186c6f957981237c0691db2269Winson Chung
3939112ec3039dda4186c6f957981237c0691db2269Winson Chung
3949112ec3039dda4186c6f957981237c0691db2269Winson Chung    /**
3959112ec3039dda4186c6f957981237c0691db2269Winson Chung     * Starts the animation after taking the screenshot
3969112ec3039dda4186c6f957981237c0691db2269Winson Chung     */
397a63bb84bbe98e72871c2138ab3eb517d0f9a80efWinson Chung    private void startAnimation(final Runnable finisher, int w, int h, boolean statusBarVisible,
398a63bb84bbe98e72871c2138ab3eb517d0f9a80efWinson Chung            boolean navBarVisible) {
3999112ec3039dda4186c6f957981237c0691db2269Winson Chung        // Add the view for the animation
4009112ec3039dda4186c6f957981237c0691db2269Winson Chung        mScreenshotView.setImageBitmap(mScreenBitmap);
4019112ec3039dda4186c6f957981237c0691db2269Winson Chung        mScreenshotLayout.requestFocus();
4029112ec3039dda4186c6f957981237c0691db2269Winson Chung
4039112ec3039dda4186c6f957981237c0691db2269Winson Chung        // Setup the animation with the screenshot just taken
4049112ec3039dda4186c6f957981237c0691db2269Winson Chung        if (mScreenshotAnimation != null) {
4059112ec3039dda4186c6f957981237c0691db2269Winson Chung            mScreenshotAnimation.end();
4069112ec3039dda4186c6f957981237c0691db2269Winson Chung        }
4079112ec3039dda4186c6f957981237c0691db2269Winson Chung
4089112ec3039dda4186c6f957981237c0691db2269Winson Chung        mWindowManager.addView(mScreenshotLayout, mWindowLayoutParams);
40922ca09595d4b6f4301414f26d6d502eb0e989a88Winson Chung        ValueAnimator screenshotDropInAnim = createScreenshotDropInAnimation();
41022ca09595d4b6f4301414f26d6d502eb0e989a88Winson Chung        ValueAnimator screenshotFadeOutAnim = createScreenshotDropOutAnimation(w, h,
411a63bb84bbe98e72871c2138ab3eb517d0f9a80efWinson Chung                statusBarVisible, navBarVisible);
4129112ec3039dda4186c6f957981237c0691db2269Winson Chung        mScreenshotAnimation = new AnimatorSet();
41322ca09595d4b6f4301414f26d6d502eb0e989a88Winson Chung        mScreenshotAnimation.playSequentially(screenshotDropInAnim, screenshotFadeOutAnim);
4149112ec3039dda4186c6f957981237c0691db2269Winson Chung        mScreenshotAnimation.addListener(new AnimatorListenerAdapter() {
4159112ec3039dda4186c6f957981237c0691db2269Winson Chung            @Override
4169112ec3039dda4186c6f957981237c0691db2269Winson Chung            public void onAnimationEnd(Animator animation) {
4179112ec3039dda4186c6f957981237c0691db2269Winson Chung                // Save the screenshot once we have a bit of time now
418fc8fa638617efb5695a1f89ea75375faebbe2a40Dianne Hackborn                saveScreenshotInWorkerThread(finisher);
4199112ec3039dda4186c6f957981237c0691db2269Winson Chung                mWindowManager.removeView(mScreenshotLayout);
4209112ec3039dda4186c6f957981237c0691db2269Winson Chung            }
4219112ec3039dda4186c6f957981237c0691db2269Winson Chung        });
422a63bb84bbe98e72871c2138ab3eb517d0f9a80efWinson Chung        mScreenshotLayout.post(new Runnable() {
423a63bb84bbe98e72871c2138ab3eb517d0f9a80efWinson Chung            @Override
424a63bb84bbe98e72871c2138ab3eb517d0f9a80efWinson Chung            public void run() {
4258d513eaef78f2d908dba41968ef8a13d36bb7a68Winson Chung                // Play the shutter sound to notify that we've taken a screenshot
426e69095869c1b324aa20991ed1805c492c3f731e8Eino-Ville Talvala                mCameraSound.play(MediaActionSound.SHUTTER_CLICK);
4278d513eaef78f2d908dba41968ef8a13d36bb7a68Winson Chung
4288279acb965abedb5cc1942c399c078eb477cec7aRomain Guy                mScreenshotView.setLayerType(View.LAYER_TYPE_HARDWARE, null);
4298279acb965abedb5cc1942c399c078eb477cec7aRomain Guy                mScreenshotView.buildLayer();
430a63bb84bbe98e72871c2138ab3eb517d0f9a80efWinson Chung                mScreenshotAnimation.start();
431a63bb84bbe98e72871c2138ab3eb517d0f9a80efWinson Chung            }
432a63bb84bbe98e72871c2138ab3eb517d0f9a80efWinson Chung        });
4339112ec3039dda4186c6f957981237c0691db2269Winson Chung    }
43422ca09595d4b6f4301414f26d6d502eb0e989a88Winson Chung    private ValueAnimator createScreenshotDropInAnimation() {
43522ca09595d4b6f4301414f26d6d502eb0e989a88Winson Chung        final float flashPeakDurationPct = ((float) (SCREENSHOT_FLASH_TO_PEAK_DURATION)
43622ca09595d4b6f4301414f26d6d502eb0e989a88Winson Chung                / SCREENSHOT_DROP_IN_DURATION);
43722ca09595d4b6f4301414f26d6d502eb0e989a88Winson Chung        final float flashDurationPct = 2f * flashPeakDurationPct;
43822ca09595d4b6f4301414f26d6d502eb0e989a88Winson Chung        final Interpolator flashAlphaInterpolator = new Interpolator() {
43922ca09595d4b6f4301414f26d6d502eb0e989a88Winson Chung            @Override
44022ca09595d4b6f4301414f26d6d502eb0e989a88Winson Chung            public float getInterpolation(float x) {
44122ca09595d4b6f4301414f26d6d502eb0e989a88Winson Chung                // Flash the flash view in and out quickly
44222ca09595d4b6f4301414f26d6d502eb0e989a88Winson Chung                if (x <= flashDurationPct) {
44322ca09595d4b6f4301414f26d6d502eb0e989a88Winson Chung                    return (float) Math.sin(Math.PI * (x / flashDurationPct));
44422ca09595d4b6f4301414f26d6d502eb0e989a88Winson Chung                }
44522ca09595d4b6f4301414f26d6d502eb0e989a88Winson Chung                return 0;
44622ca09595d4b6f4301414f26d6d502eb0e989a88Winson Chung            }
44722ca09595d4b6f4301414f26d6d502eb0e989a88Winson Chung        };
44822ca09595d4b6f4301414f26d6d502eb0e989a88Winson Chung        final Interpolator scaleInterpolator = new Interpolator() {
44922ca09595d4b6f4301414f26d6d502eb0e989a88Winson Chung            @Override
45022ca09595d4b6f4301414f26d6d502eb0e989a88Winson Chung            public float getInterpolation(float x) {
45122ca09595d4b6f4301414f26d6d502eb0e989a88Winson Chung                // We start scaling when the flash is at it's peak
45222ca09595d4b6f4301414f26d6d502eb0e989a88Winson Chung                if (x < flashPeakDurationPct) {
45322ca09595d4b6f4301414f26d6d502eb0e989a88Winson Chung                    return 0;
45422ca09595d4b6f4301414f26d6d502eb0e989a88Winson Chung                }
45522ca09595d4b6f4301414f26d6d502eb0e989a88Winson Chung                return (x - flashDurationPct) / (1f - flashDurationPct);
45622ca09595d4b6f4301414f26d6d502eb0e989a88Winson Chung            }
45722ca09595d4b6f4301414f26d6d502eb0e989a88Winson Chung        };
4589112ec3039dda4186c6f957981237c0691db2269Winson Chung        ValueAnimator anim = ValueAnimator.ofFloat(0f, 1f);
45922ca09595d4b6f4301414f26d6d502eb0e989a88Winson Chung        anim.setDuration(SCREENSHOT_DROP_IN_DURATION);
4609112ec3039dda4186c6f957981237c0691db2269Winson Chung        anim.addListener(new AnimatorListenerAdapter() {
4619112ec3039dda4186c6f957981237c0691db2269Winson Chung            @Override
4629112ec3039dda4186c6f957981237c0691db2269Winson Chung            public void onAnimationStart(Animator animation) {
4638279acb965abedb5cc1942c399c078eb477cec7aRomain Guy                mBackgroundView.setAlpha(0f);
4649112ec3039dda4186c6f957981237c0691db2269Winson Chung                mBackgroundView.setVisibility(View.VISIBLE);
4658279acb965abedb5cc1942c399c078eb477cec7aRomain Guy                mScreenshotView.setAlpha(0f);
4668279acb965abedb5cc1942c399c078eb477cec7aRomain Guy                mScreenshotView.setTranslationX(0f);
4678279acb965abedb5cc1942c399c078eb477cec7aRomain Guy                mScreenshotView.setTranslationY(0f);
4688279acb965abedb5cc1942c399c078eb477cec7aRomain Guy                mScreenshotView.setScaleX(SCREENSHOT_SCALE + mBgPaddingScale);
4698279acb965abedb5cc1942c399c078eb477cec7aRomain Guy                mScreenshotView.setScaleY(SCREENSHOT_SCALE + mBgPaddingScale);
4708279acb965abedb5cc1942c399c078eb477cec7aRomain Guy                mScreenshotView.setVisibility(View.VISIBLE);
4718279acb965abedb5cc1942c399c078eb477cec7aRomain Guy                mScreenshotFlash.setAlpha(0f);
47222ca09595d4b6f4301414f26d6d502eb0e989a88Winson Chung                mScreenshotFlash.setVisibility(View.VISIBLE);
47322ca09595d4b6f4301414f26d6d502eb0e989a88Winson Chung            }
47422ca09595d4b6f4301414f26d6d502eb0e989a88Winson Chung            @Override
47522ca09595d4b6f4301414f26d6d502eb0e989a88Winson Chung            public void onAnimationEnd(android.animation.Animator animation) {
47622ca09595d4b6f4301414f26d6d502eb0e989a88Winson Chung                mScreenshotFlash.setVisibility(View.GONE);
4779112ec3039dda4186c6f957981237c0691db2269Winson Chung            }
4789112ec3039dda4186c6f957981237c0691db2269Winson Chung        });
4799112ec3039dda4186c6f957981237c0691db2269Winson Chung        anim.addUpdateListener(new AnimatorUpdateListener() {
4809112ec3039dda4186c6f957981237c0691db2269Winson Chung            @Override
4819112ec3039dda4186c6f957981237c0691db2269Winson Chung            public void onAnimationUpdate(ValueAnimator animation) {
4828279acb965abedb5cc1942c399c078eb477cec7aRomain Guy                float t = (Float) animation.getAnimatedValue();
48322ca09595d4b6f4301414f26d6d502eb0e989a88Winson Chung                float scaleT = (SCREENSHOT_SCALE + mBgPaddingScale)
4848279acb965abedb5cc1942c399c078eb477cec7aRomain Guy                    - scaleInterpolator.getInterpolation(t)
48522ca09595d4b6f4301414f26d6d502eb0e989a88Winson Chung                        * (SCREENSHOT_SCALE - SCREENSHOT_DROP_IN_MIN_SCALE);
4868279acb965abedb5cc1942c399c078eb477cec7aRomain Guy                mBackgroundView.setAlpha(scaleInterpolator.getInterpolation(t) * BACKGROUND_ALPHA);
4878279acb965abedb5cc1942c399c078eb477cec7aRomain Guy                mScreenshotView.setAlpha(t);
4888279acb965abedb5cc1942c399c078eb477cec7aRomain Guy                mScreenshotView.setScaleX(scaleT);
4898279acb965abedb5cc1942c399c078eb477cec7aRomain Guy                mScreenshotView.setScaleY(scaleT);
4908279acb965abedb5cc1942c399c078eb477cec7aRomain Guy                mScreenshotFlash.setAlpha(flashAlphaInterpolator.getInterpolation(t));
4919112ec3039dda4186c6f957981237c0691db2269Winson Chung            }
4929112ec3039dda4186c6f957981237c0691db2269Winson Chung        });
4939112ec3039dda4186c6f957981237c0691db2269Winson Chung        return anim;
4949112ec3039dda4186c6f957981237c0691db2269Winson Chung    }
49522ca09595d4b6f4301414f26d6d502eb0e989a88Winson Chung    private ValueAnimator createScreenshotDropOutAnimation(int w, int h, boolean statusBarVisible,
496a63bb84bbe98e72871c2138ab3eb517d0f9a80efWinson Chung            boolean navBarVisible) {
497a63bb84bbe98e72871c2138ab3eb517d0f9a80efWinson Chung        ValueAnimator anim = ValueAnimator.ofFloat(0f, 1f);
49822ca09595d4b6f4301414f26d6d502eb0e989a88Winson Chung        anim.setStartDelay(SCREENSHOT_DROP_OUT_DELAY);
4999112ec3039dda4186c6f957981237c0691db2269Winson Chung        anim.addListener(new AnimatorListenerAdapter() {
5009112ec3039dda4186c6f957981237c0691db2269Winson Chung            @Override
5019112ec3039dda4186c6f957981237c0691db2269Winson Chung            public void onAnimationEnd(Animator animation) {
5029112ec3039dda4186c6f957981237c0691db2269Winson Chung                mBackgroundView.setVisibility(View.GONE);
5038279acb965abedb5cc1942c399c078eb477cec7aRomain Guy                mScreenshotView.setVisibility(View.GONE);
5048279acb965abedb5cc1942c399c078eb477cec7aRomain Guy                mScreenshotView.setLayerType(View.LAYER_TYPE_NONE, null);
5059112ec3039dda4186c6f957981237c0691db2269Winson Chung            }
5069112ec3039dda4186c6f957981237c0691db2269Winson Chung        });
507a63bb84bbe98e72871c2138ab3eb517d0f9a80efWinson Chung
508a63bb84bbe98e72871c2138ab3eb517d0f9a80efWinson Chung        if (!statusBarVisible || !navBarVisible) {
509a63bb84bbe98e72871c2138ab3eb517d0f9a80efWinson Chung            // There is no status bar/nav bar, so just fade the screenshot away in place
51022ca09595d4b6f4301414f26d6d502eb0e989a88Winson Chung            anim.setDuration(SCREENSHOT_FAST_DROP_OUT_DURATION);
511a63bb84bbe98e72871c2138ab3eb517d0f9a80efWinson Chung            anim.addUpdateListener(new AnimatorUpdateListener() {
512a63bb84bbe98e72871c2138ab3eb517d0f9a80efWinson Chung                @Override
513a63bb84bbe98e72871c2138ab3eb517d0f9a80efWinson Chung                public void onAnimationUpdate(ValueAnimator animation) {
5148279acb965abedb5cc1942c399c078eb477cec7aRomain Guy                    float t = (Float) animation.getAnimatedValue();
51522ca09595d4b6f4301414f26d6d502eb0e989a88Winson Chung                    float scaleT = (SCREENSHOT_DROP_IN_MIN_SCALE + mBgPaddingScale)
5168279acb965abedb5cc1942c399c078eb477cec7aRomain Guy                            - t * (SCREENSHOT_DROP_IN_MIN_SCALE - SCREENSHOT_FAST_DROP_OUT_MIN_SCALE);
5178279acb965abedb5cc1942c399c078eb477cec7aRomain Guy                    mBackgroundView.setAlpha((1f - t) * BACKGROUND_ALPHA);
5188279acb965abedb5cc1942c399c078eb477cec7aRomain Guy                    mScreenshotView.setAlpha(1f - t);
5198279acb965abedb5cc1942c399c078eb477cec7aRomain Guy                    mScreenshotView.setScaleX(scaleT);
5208279acb965abedb5cc1942c399c078eb477cec7aRomain Guy                    mScreenshotView.setScaleY(scaleT);
521a63bb84bbe98e72871c2138ab3eb517d0f9a80efWinson Chung                }
522a63bb84bbe98e72871c2138ab3eb517d0f9a80efWinson Chung            });
523a63bb84bbe98e72871c2138ab3eb517d0f9a80efWinson Chung        } else {
52422ca09595d4b6f4301414f26d6d502eb0e989a88Winson Chung            // In the case where there is a status bar, animate to the origin of the bar (top-left)
52522ca09595d4b6f4301414f26d6d502eb0e989a88Winson Chung            final float scaleDurationPct = (float) SCREENSHOT_DROP_OUT_SCALE_DURATION
52622ca09595d4b6f4301414f26d6d502eb0e989a88Winson Chung                    / SCREENSHOT_DROP_OUT_DURATION;
52722ca09595d4b6f4301414f26d6d502eb0e989a88Winson Chung            final Interpolator scaleInterpolator = new Interpolator() {
52822ca09595d4b6f4301414f26d6d502eb0e989a88Winson Chung                @Override
52922ca09595d4b6f4301414f26d6d502eb0e989a88Winson Chung                public float getInterpolation(float x) {
53022ca09595d4b6f4301414f26d6d502eb0e989a88Winson Chung                    if (x < scaleDurationPct) {
53122ca09595d4b6f4301414f26d6d502eb0e989a88Winson Chung                        // Decelerate, and scale the input accordingly
53222ca09595d4b6f4301414f26d6d502eb0e989a88Winson Chung                        return (float) (1f - Math.pow(1f - (x / scaleDurationPct), 2f));
53322ca09595d4b6f4301414f26d6d502eb0e989a88Winson Chung                    }
53422ca09595d4b6f4301414f26d6d502eb0e989a88Winson Chung                    return 1f;
53522ca09595d4b6f4301414f26d6d502eb0e989a88Winson Chung                }
53622ca09595d4b6f4301414f26d6d502eb0e989a88Winson Chung            };
53722ca09595d4b6f4301414f26d6d502eb0e989a88Winson Chung
538a63bb84bbe98e72871c2138ab3eb517d0f9a80efWinson Chung            // Determine the bounds of how to scale
539a63bb84bbe98e72871c2138ab3eb517d0f9a80efWinson Chung            float halfScreenWidth = (w - 2f * mBgPadding) / 2f;
540a63bb84bbe98e72871c2138ab3eb517d0f9a80efWinson Chung            float halfScreenHeight = (h - 2f * mBgPadding) / 2f;
54122ca09595d4b6f4301414f26d6d502eb0e989a88Winson Chung            final float offsetPct = SCREENSHOT_DROP_OUT_MIN_SCALE_OFFSET;
54222ca09595d4b6f4301414f26d6d502eb0e989a88Winson Chung            final PointF finalPos = new PointF(
54322ca09595d4b6f4301414f26d6d502eb0e989a88Winson Chung                -halfScreenWidth + (SCREENSHOT_DROP_OUT_MIN_SCALE + offsetPct) * halfScreenWidth,
54422ca09595d4b6f4301414f26d6d502eb0e989a88Winson Chung                -halfScreenHeight + (SCREENSHOT_DROP_OUT_MIN_SCALE + offsetPct) * halfScreenHeight);
545a63bb84bbe98e72871c2138ab3eb517d0f9a80efWinson Chung
546a63bb84bbe98e72871c2138ab3eb517d0f9a80efWinson Chung            // Animate the screenshot to the status bar
54722ca09595d4b6f4301414f26d6d502eb0e989a88Winson Chung            anim.setDuration(SCREENSHOT_DROP_OUT_DURATION);
548a63bb84bbe98e72871c2138ab3eb517d0f9a80efWinson Chung            anim.addUpdateListener(new AnimatorUpdateListener() {
549a63bb84bbe98e72871c2138ab3eb517d0f9a80efWinson Chung                @Override
550a63bb84bbe98e72871c2138ab3eb517d0f9a80efWinson Chung                public void onAnimationUpdate(ValueAnimator animation) {
5518279acb965abedb5cc1942c399c078eb477cec7aRomain Guy                    float t = (Float) animation.getAnimatedValue();
55222ca09595d4b6f4301414f26d6d502eb0e989a88Winson Chung                    float scaleT = (SCREENSHOT_DROP_IN_MIN_SCALE + mBgPaddingScale)
5538279acb965abedb5cc1942c399c078eb477cec7aRomain Guy                        - scaleInterpolator.getInterpolation(t)
55422ca09595d4b6f4301414f26d6d502eb0e989a88Winson Chung                            * (SCREENSHOT_DROP_IN_MIN_SCALE - SCREENSHOT_DROP_OUT_MIN_SCALE);
5558279acb965abedb5cc1942c399c078eb477cec7aRomain Guy                    mBackgroundView.setAlpha((1f - t) * BACKGROUND_ALPHA);
5568279acb965abedb5cc1942c399c078eb477cec7aRomain Guy                    mScreenshotView.setAlpha(1f - scaleInterpolator.getInterpolation(t));
5578279acb965abedb5cc1942c399c078eb477cec7aRomain Guy                    mScreenshotView.setScaleX(scaleT);
5588279acb965abedb5cc1942c399c078eb477cec7aRomain Guy                    mScreenshotView.setScaleY(scaleT);
5598279acb965abedb5cc1942c399c078eb477cec7aRomain Guy                    mScreenshotView.setTranslationX(t * finalPos.x);
5608279acb965abedb5cc1942c399c078eb477cec7aRomain Guy                    mScreenshotView.setTranslationY(t * finalPos.y);
561a63bb84bbe98e72871c2138ab3eb517d0f9a80efWinson Chung                }
562a63bb84bbe98e72871c2138ab3eb517d0f9a80efWinson Chung            });
563a63bb84bbe98e72871c2138ab3eb517d0f9a80efWinson Chung        }
5649112ec3039dda4186c6f957981237c0691db2269Winson Chung        return anim;
5659112ec3039dda4186c6f957981237c0691db2269Winson Chung    }
566c57ccf01fe24ce508404c99b449e9097e6d8b270Winson Chung
567c57ccf01fe24ce508404c99b449e9097e6d8b270Winson Chung    static void notifyScreenshotError(Context context, NotificationManager nManager) {
568c57ccf01fe24ce508404c99b449e9097e6d8b270Winson Chung        Resources r = context.getResources();
569c57ccf01fe24ce508404c99b449e9097e6d8b270Winson Chung
570c57ccf01fe24ce508404c99b449e9097e6d8b270Winson Chung        // Clear all existing notification, compose the new notification and show it
571c57ccf01fe24ce508404c99b449e9097e6d8b270Winson Chung        Notification n = new Notification.Builder(context)
572c57ccf01fe24ce508404c99b449e9097e6d8b270Winson Chung            .setTicker(r.getString(R.string.screenshot_failed_title))
573c57ccf01fe24ce508404c99b449e9097e6d8b270Winson Chung            .setContentTitle(r.getString(R.string.screenshot_failed_title))
574c57ccf01fe24ce508404c99b449e9097e6d8b270Winson Chung            .setContentText(r.getString(R.string.screenshot_failed_text))
575b787a751760de544f0d83bb7ddf9405ae6e4e481Winson Chung            .setSmallIcon(R.drawable.stat_notify_image_error)
576c57ccf01fe24ce508404c99b449e9097e6d8b270Winson Chung            .setWhen(System.currentTimeMillis())
577c57ccf01fe24ce508404c99b449e9097e6d8b270Winson Chung            .setAutoCancel(true)
578c57ccf01fe24ce508404c99b449e9097e6d8b270Winson Chung            .getNotification();
579c57ccf01fe24ce508404c99b449e9097e6d8b270Winson Chung        nManager.notify(SCREENSHOT_NOTIFICATION_ID, n);
580c57ccf01fe24ce508404c99b449e9097e6d8b270Winson Chung    }
5819112ec3039dda4186c6f957981237c0691db2269Winson Chung}
582