| /* |
| * Copyright (C) 2011 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.screenshot; |
| |
| import android.animation.Animator; |
| import android.animation.AnimatorListenerAdapter; |
| import android.animation.AnimatorSet; |
| import android.animation.ValueAnimator; |
| import android.animation.ValueAnimator.AnimatorUpdateListener; |
| import android.app.Notification; |
| import android.app.Notification.BigPictureStyle; |
| import android.app.NotificationManager; |
| import android.app.PendingIntent; |
| import android.content.ContentResolver; |
| import android.content.ContentValues; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.res.Resources; |
| import android.graphics.Bitmap; |
| import android.graphics.Canvas; |
| import android.graphics.ColorMatrix; |
| import android.graphics.ColorMatrixColorFilter; |
| import android.graphics.Matrix; |
| import android.graphics.Paint; |
| import android.graphics.PixelFormat; |
| import android.graphics.PointF; |
| import android.media.MediaActionSound; |
| import android.net.Uri; |
| import android.os.AsyncTask; |
| import android.os.Environment; |
| import android.os.Process; |
| import android.provider.MediaStore; |
| import android.util.DisplayMetrics; |
| import android.view.Display; |
| import android.view.LayoutInflater; |
| import android.view.MotionEvent; |
| import android.view.Surface; |
| import android.view.SurfaceControl; |
| import android.view.View; |
| import android.view.ViewGroup; |
| import android.view.WindowManager; |
| import android.view.animation.Interpolator; |
| import android.widget.ImageView; |
| |
| import com.android.systemui.R; |
| |
| import java.io.File; |
| import java.io.OutputStream; |
| import java.text.DateFormat; |
| import java.text.SimpleDateFormat; |
| import java.util.Date; |
| |
| /** |
| * POD used in the AsyncTask which saves an image in the background. |
| */ |
| class SaveImageInBackgroundData { |
| Context context; |
| Bitmap image; |
| Uri imageUri; |
| Runnable finisher; |
| int iconSize; |
| int result; |
| int previewWidth; |
| int previewheight; |
| |
| void clearImage() { |
| image = null; |
| imageUri = null; |
| iconSize = 0; |
| } |
| void clearContext() { |
| context = null; |
| } |
| } |
| |
| /** |
| * An AsyncTask that saves an image to the media store in the background. |
| */ |
| class SaveImageInBackgroundTask extends AsyncTask<SaveImageInBackgroundData, Void, |
| SaveImageInBackgroundData> { |
| private static final String TAG = "SaveImageInBackgroundTask"; |
| |
| private static final String SCREENSHOTS_DIR_NAME = "Screenshots"; |
| private static final String SCREENSHOT_FILE_NAME_TEMPLATE = "Screenshot_%s.png"; |
| private static final String SCREENSHOT_SHARE_SUBJECT_TEMPLATE = "Screenshot (%s)"; |
| |
| private final int mNotificationId; |
| private final NotificationManager mNotificationManager; |
| private final Notification.Builder mNotificationBuilder, mPublicNotificationBuilder; |
| private final File mScreenshotDir; |
| private final String mImageFileName; |
| private final String mImageFilePath; |
| private final long mImageTime; |
| private final BigPictureStyle mNotificationStyle; |
| private final int mImageWidth; |
| private final int mImageHeight; |
| |
| // WORKAROUND: We want the same notification across screenshots that we update so that we don't |
| // spam a user's notification drawer. However, we only show the ticker for the saving state |
| // and if the ticker text is the same as the previous notification, then it will not show. So |
| // for now, we just add and remove a space from the ticker text to trigger the animation when |
| // necessary. |
| private static boolean mTickerAddSpace; |
| |
| SaveImageInBackgroundTask(Context context, SaveImageInBackgroundData data, |
| NotificationManager nManager, int nId) { |
| Resources r = context.getResources(); |
| |
| // Prepare all the output metadata |
| mImageTime = System.currentTimeMillis(); |
| String imageDate = new SimpleDateFormat("yyyy-MM-dd-HH-mm-ss").format(new Date(mImageTime)); |
| mImageFileName = String.format(SCREENSHOT_FILE_NAME_TEMPLATE, imageDate); |
| |
| mScreenshotDir = new File(Environment.getExternalStoragePublicDirectory( |
| Environment.DIRECTORY_PICTURES), SCREENSHOTS_DIR_NAME); |
| mImageFilePath = new File(mScreenshotDir, mImageFileName).getAbsolutePath(); |
| |
| // Create the large notification icon |
| mImageWidth = data.image.getWidth(); |
| mImageHeight = data.image.getHeight(); |
| int iconSize = data.iconSize; |
| int previewWidth = data.previewWidth; |
| int previewHeight = data.previewheight; |
| |
| final int shortSide = mImageWidth < mImageHeight ? mImageWidth : mImageHeight; |
| Bitmap preview = Bitmap.createBitmap(previewWidth, previewHeight, data.image.getConfig()); |
| Canvas c = new Canvas(preview); |
| Paint paint = new Paint(); |
| ColorMatrix desat = new ColorMatrix(); |
| desat.setSaturation(0.25f); |
| paint.setColorFilter(new ColorMatrixColorFilter(desat)); |
| Matrix matrix = new Matrix(); |
| matrix.postTranslate((previewWidth - mImageWidth) / 2, |
| (previewHeight - mImageHeight) / 2); |
| c.drawBitmap(data.image, matrix, paint); |
| c.drawColor(0x40FFFFFF); |
| c.setBitmap(null); |
| |
| Bitmap croppedIcon = Bitmap.createScaledBitmap(preview, iconSize, iconSize, true); |
| |
| // Show the intermediate notification |
| mTickerAddSpace = !mTickerAddSpace; |
| mNotificationId = nId; |
| mNotificationManager = nManager; |
| final long now = System.currentTimeMillis(); |
| |
| mNotificationBuilder = new Notification.Builder(context) |
| .setTicker(r.getString(R.string.screenshot_saving_ticker) |
| + (mTickerAddSpace ? " " : "")) |
| .setContentTitle(r.getString(R.string.screenshot_saving_title)) |
| .setContentText(r.getString(R.string.screenshot_saving_text)) |
| .setSmallIcon(R.drawable.stat_notify_image) |
| .setWhen(now); |
| |
| mNotificationStyle = new Notification.BigPictureStyle() |
| .bigPicture(preview); |
| mNotificationBuilder.setStyle(mNotificationStyle); |
| |
| // For "public" situations we want to show all the same info but |
| // omit the actual screenshot image. |
| mPublicNotificationBuilder = new Notification.Builder(context) |
| .setContentTitle(r.getString(R.string.screenshot_saving_title)) |
| .setContentText(r.getString(R.string.screenshot_saving_text)) |
| .setSmallIcon(R.drawable.stat_notify_image) |
| .setCategory(Notification.CATEGORY_PROGRESS) |
| .setWhen(now); |
| |
| mNotificationBuilder.setPublicVersion(mPublicNotificationBuilder.build()); |
| |
| Notification n = mNotificationBuilder.build(); |
| n.flags |= Notification.FLAG_NO_CLEAR; |
| mNotificationManager.notify(nId, n); |
| |
| // On the tablet, the large icon makes the notification appear as if it is clickable (and |
| // on small devices, the large icon is not shown) so defer showing the large icon until |
| // we compose the final post-save notification below. |
| mNotificationBuilder.setLargeIcon(croppedIcon); |
| // But we still don't set it for the expanded view, allowing the smallIcon to show here. |
| mNotificationStyle.bigLargeIcon(null); |
| } |
| |
| @Override |
| protected SaveImageInBackgroundData doInBackground(SaveImageInBackgroundData... params) { |
| if (params.length != 1) return null; |
| if (isCancelled()) { |
| params[0].clearImage(); |
| params[0].clearContext(); |
| return null; |
| } |
| |
| // By default, AsyncTask sets the worker thread to have background thread priority, so bump |
| // it back up so that we save a little quicker. |
| Process.setThreadPriority(Process.THREAD_PRIORITY_FOREGROUND); |
| |
| Context context = params[0].context; |
| Bitmap image = params[0].image; |
| Resources r = context.getResources(); |
| |
| try { |
| // Create screenshot directory if it doesn't exist |
| mScreenshotDir.mkdirs(); |
| |
| // media provider uses seconds for DATE_MODIFIED and DATE_ADDED, but milliseconds |
| // for DATE_TAKEN |
| long dateSeconds = mImageTime / 1000; |
| |
| // Save the screenshot to the MediaStore |
| ContentValues values = new ContentValues(); |
| ContentResolver resolver = context.getContentResolver(); |
| values.put(MediaStore.Images.ImageColumns.DATA, mImageFilePath); |
| values.put(MediaStore.Images.ImageColumns.TITLE, mImageFileName); |
| values.put(MediaStore.Images.ImageColumns.DISPLAY_NAME, mImageFileName); |
| values.put(MediaStore.Images.ImageColumns.DATE_TAKEN, mImageTime); |
| values.put(MediaStore.Images.ImageColumns.DATE_ADDED, dateSeconds); |
| values.put(MediaStore.Images.ImageColumns.DATE_MODIFIED, dateSeconds); |
| values.put(MediaStore.Images.ImageColumns.MIME_TYPE, "image/png"); |
| values.put(MediaStore.Images.ImageColumns.WIDTH, mImageWidth); |
| values.put(MediaStore.Images.ImageColumns.HEIGHT, mImageHeight); |
| Uri uri = resolver.insert(MediaStore.Images.Media.EXTERNAL_CONTENT_URI, values); |
| |
| String subjectDate = DateFormat.getDateTimeInstance().format(new Date(mImageTime)); |
| String subject = String.format(SCREENSHOT_SHARE_SUBJECT_TEMPLATE, subjectDate); |
| Intent sharingIntent = new Intent(Intent.ACTION_SEND); |
| sharingIntent.setType("image/png"); |
| sharingIntent.putExtra(Intent.EXTRA_STREAM, uri); |
| sharingIntent.putExtra(Intent.EXTRA_SUBJECT, subject); |
| |
| Intent chooserIntent = Intent.createChooser(sharingIntent, null); |
| chooserIntent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TASK |
| | Intent.FLAG_ACTIVITY_NEW_TASK); |
| |
| mNotificationBuilder.addAction(R.drawable.ic_menu_share, |
| r.getString(com.android.internal.R.string.share), |
| PendingIntent.getActivity(context, 0, chooserIntent, |
| PendingIntent.FLAG_CANCEL_CURRENT)); |
| |
| OutputStream out = resolver.openOutputStream(uri); |
| image.compress(Bitmap.CompressFormat.PNG, 100, out); |
| out.flush(); |
| out.close(); |
| |
| // update file size in the database |
| values.clear(); |
| values.put(MediaStore.Images.ImageColumns.SIZE, new File(mImageFilePath).length()); |
| resolver.update(uri, values, null, null); |
| |
| params[0].imageUri = uri; |
| params[0].image = null; |
| params[0].result = 0; |
| } catch (Exception e) { |
| // IOException/UnsupportedOperationException may be thrown if external storage is not |
| // mounted |
| params[0].clearImage(); |
| params[0].result = 1; |
| } |
| |
| // Recycle the bitmap data |
| if (image != null) { |
| image.recycle(); |
| } |
| |
| return params[0]; |
| } |
| |
| @Override |
| protected void onPostExecute(SaveImageInBackgroundData params) { |
| if (isCancelled()) { |
| params.finisher.run(); |
| params.clearImage(); |
| params.clearContext(); |
| return; |
| } |
| |
| if (params.result > 0) { |
| // Show a message that we've failed to save the image to disk |
| GlobalScreenshot.notifyScreenshotError(params.context, mNotificationManager); |
| } else { |
| // Show the final notification to indicate screenshot saved |
| Resources r = params.context.getResources(); |
| |
| // Create the intent to show the screenshot in gallery |
| Intent launchIntent = new Intent(Intent.ACTION_VIEW); |
| launchIntent.setDataAndType(params.imageUri, "image/png"); |
| launchIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK); |
| |
| final long now = System.currentTimeMillis(); |
| |
| mNotificationBuilder |
| .setContentTitle(r.getString(R.string.screenshot_saved_title)) |
| .setContentText(r.getString(R.string.screenshot_saved_text)) |
| .setContentIntent(PendingIntent.getActivity(params.context, 0, launchIntent, 0)) |
| .setWhen(now) |
| .setAutoCancel(true); |
| |
| // Update the text in the public version as well |
| mPublicNotificationBuilder |
| .setContentTitle(r.getString(R.string.screenshot_saved_title)) |
| .setContentText(r.getString(R.string.screenshot_saved_text)) |
| .setContentIntent(PendingIntent.getActivity(params.context, 0, launchIntent, 0)) |
| .setWhen(now) |
| .setAutoCancel(true); |
| |
| mNotificationBuilder.setPublicVersion(mPublicNotificationBuilder.build()); |
| |
| Notification n = mNotificationBuilder.build(); |
| n.flags &= ~Notification.FLAG_NO_CLEAR; |
| mNotificationManager.notify(mNotificationId, n); |
| } |
| params.finisher.run(); |
| params.clearContext(); |
| } |
| } |
| |
| /** |
| * TODO: |
| * - Performance when over gl surfaces? Ie. Gallery |
| * - what do we say in the Toast? Which icon do we get if the user uses another |
| * type of gallery? |
| */ |
| class GlobalScreenshot { |
| private static final String TAG = "GlobalScreenshot"; |
| |
| private static final int SCREENSHOT_NOTIFICATION_ID = 789; |
| private static final int SCREENSHOT_FLASH_TO_PEAK_DURATION = 130; |
| private static final int SCREENSHOT_DROP_IN_DURATION = 430; |
| private static final int SCREENSHOT_DROP_OUT_DELAY = 500; |
| private static final int SCREENSHOT_DROP_OUT_DURATION = 430; |
| private static final int SCREENSHOT_DROP_OUT_SCALE_DURATION = 370; |
| private static final int SCREENSHOT_FAST_DROP_OUT_DURATION = 320; |
| private static final float BACKGROUND_ALPHA = 0.5f; |
| private static final float SCREENSHOT_SCALE = 1f; |
| private static final float SCREENSHOT_DROP_IN_MIN_SCALE = SCREENSHOT_SCALE * 0.725f; |
| private static final float SCREENSHOT_DROP_OUT_MIN_SCALE = SCREENSHOT_SCALE * 0.45f; |
| private static final float SCREENSHOT_FAST_DROP_OUT_MIN_SCALE = SCREENSHOT_SCALE * 0.6f; |
| private static final float SCREENSHOT_DROP_OUT_MIN_SCALE_OFFSET = 0f; |
| private final int mPreviewWidth; |
| private final int mPreviewHeight; |
| |
| private Context mContext; |
| private WindowManager mWindowManager; |
| private WindowManager.LayoutParams mWindowLayoutParams; |
| private NotificationManager mNotificationManager; |
| private Display mDisplay; |
| private DisplayMetrics mDisplayMetrics; |
| private Matrix mDisplayMatrix; |
| |
| private Bitmap mScreenBitmap; |
| private View mScreenshotLayout; |
| private ImageView mBackgroundView; |
| private ImageView mScreenshotView; |
| private ImageView mScreenshotFlash; |
| |
| private AnimatorSet mScreenshotAnimation; |
| |
| private int mNotificationIconSize; |
| private float mBgPadding; |
| private float mBgPaddingScale; |
| |
| private AsyncTask<SaveImageInBackgroundData, Void, SaveImageInBackgroundData> mSaveInBgTask; |
| |
| private MediaActionSound mCameraSound; |
| |
| |
| /** |
| * @param context everything needs a context :( |
| */ |
| public GlobalScreenshot(Context context) { |
| Resources r = context.getResources(); |
| mContext = context; |
| LayoutInflater layoutInflater = (LayoutInflater) |
| context.getSystemService(Context.LAYOUT_INFLATER_SERVICE); |
| |
| // Inflate the screenshot layout |
| mDisplayMatrix = new Matrix(); |
| mScreenshotLayout = layoutInflater.inflate(R.layout.global_screenshot, null); |
| mBackgroundView = (ImageView) mScreenshotLayout.findViewById(R.id.global_screenshot_background); |
| mScreenshotView = (ImageView) mScreenshotLayout.findViewById(R.id.global_screenshot); |
| mScreenshotFlash = (ImageView) mScreenshotLayout.findViewById(R.id.global_screenshot_flash); |
| mScreenshotLayout.setFocusable(true); |
| mScreenshotLayout.setOnTouchListener(new View.OnTouchListener() { |
| @Override |
| public boolean onTouch(View v, MotionEvent event) { |
| // Intercept and ignore all touch events |
| return true; |
| } |
| }); |
| |
| // Setup the window that we are going to use |
| mWindowLayoutParams = new WindowManager.LayoutParams( |
| ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT, 0, 0, |
| WindowManager.LayoutParams.TYPE_SECURE_SYSTEM_OVERLAY, |
| WindowManager.LayoutParams.FLAG_FULLSCREEN |
| | WindowManager.LayoutParams.FLAG_HARDWARE_ACCELERATED |
| | WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN |
| | WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED, |
| PixelFormat.TRANSLUCENT); |
| mWindowLayoutParams.setTitle("ScreenshotAnimation"); |
| mWindowManager = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE); |
| mNotificationManager = |
| (NotificationManager) context.getSystemService(Context.NOTIFICATION_SERVICE); |
| mDisplay = mWindowManager.getDefaultDisplay(); |
| mDisplayMetrics = new DisplayMetrics(); |
| mDisplay.getRealMetrics(mDisplayMetrics); |
| |
| // Get the various target sizes |
| mNotificationIconSize = |
| r.getDimensionPixelSize(android.R.dimen.notification_large_icon_height); |
| |
| // Scale has to account for both sides of the bg |
| mBgPadding = (float) r.getDimensionPixelSize(R.dimen.global_screenshot_bg_padding); |
| mBgPaddingScale = mBgPadding / mDisplayMetrics.widthPixels; |
| |
| // determine the optimal preview size |
| int panelWidth = 0; |
| try { |
| panelWidth = r.getDimensionPixelSize(R.dimen.notification_panel_width); |
| } catch (Resources.NotFoundException e) { |
| } |
| if (panelWidth <= 0) { |
| // includes notification_panel_width==match_parent (-1) |
| panelWidth = mDisplayMetrics.widthPixels; |
| } |
| mPreviewWidth = panelWidth; |
| mPreviewHeight = r.getDimensionPixelSize(R.dimen.notification_max_height); |
| |
| // Setup the Camera shutter sound |
| mCameraSound = new MediaActionSound(); |
| mCameraSound.load(MediaActionSound.SHUTTER_CLICK); |
| } |
| |
| /** |
| * Creates a new worker thread and saves the screenshot to the media store. |
| */ |
| private void saveScreenshotInWorkerThread(Runnable finisher) { |
| SaveImageInBackgroundData data = new SaveImageInBackgroundData(); |
| data.context = mContext; |
| data.image = mScreenBitmap; |
| data.iconSize = mNotificationIconSize; |
| data.finisher = finisher; |
| data.previewWidth = mPreviewWidth; |
| data.previewheight = mPreviewHeight; |
| if (mSaveInBgTask != null) { |
| mSaveInBgTask.cancel(false); |
| } |
| mSaveInBgTask = new SaveImageInBackgroundTask(mContext, data, mNotificationManager, |
| SCREENSHOT_NOTIFICATION_ID).execute(data); |
| } |
| |
| /** |
| * @return the current display rotation in degrees |
| */ |
| private float getDegreesForRotation(int value) { |
| switch (value) { |
| case Surface.ROTATION_90: |
| return 360f - 90f; |
| case Surface.ROTATION_180: |
| return 360f - 180f; |
| case Surface.ROTATION_270: |
| return 360f - 270f; |
| } |
| return 0f; |
| } |
| |
| /** |
| * Takes a screenshot of the current display and shows an animation. |
| */ |
| void takeScreenshot(Runnable finisher, boolean statusBarVisible, boolean navBarVisible) { |
| // We need to orient the screenshot correctly (and the Surface api seems to take screenshots |
| // only in the natural orientation of the device :!) |
| mDisplay.getRealMetrics(mDisplayMetrics); |
| float[] dims = {mDisplayMetrics.widthPixels, mDisplayMetrics.heightPixels}; |
| float degrees = getDegreesForRotation(mDisplay.getRotation()); |
| boolean requiresRotation = (degrees > 0); |
| if (requiresRotation) { |
| // Get the dimensions of the device in its native orientation |
| mDisplayMatrix.reset(); |
| mDisplayMatrix.preRotate(-degrees); |
| mDisplayMatrix.mapPoints(dims); |
| dims[0] = Math.abs(dims[0]); |
| dims[1] = Math.abs(dims[1]); |
| } |
| |
| // Take the screenshot |
| mScreenBitmap = SurfaceControl.screenshot((int) dims[0], (int) dims[1]); |
| if (mScreenBitmap == null) { |
| notifyScreenshotError(mContext, mNotificationManager); |
| finisher.run(); |
| return; |
| } |
| |
| if (requiresRotation) { |
| // Rotate the screenshot to the current orientation |
| Bitmap ss = Bitmap.createBitmap(mDisplayMetrics.widthPixels, |
| mDisplayMetrics.heightPixels, Bitmap.Config.ARGB_8888); |
| Canvas c = new Canvas(ss); |
| c.translate(ss.getWidth() / 2, ss.getHeight() / 2); |
| c.rotate(degrees); |
| c.translate(-dims[0] / 2, -dims[1] / 2); |
| c.drawBitmap(mScreenBitmap, 0, 0, null); |
| c.setBitmap(null); |
| // Recycle the previous bitmap |
| mScreenBitmap.recycle(); |
| mScreenBitmap = ss; |
| } |
| |
| // Optimizations |
| mScreenBitmap.setHasAlpha(false); |
| mScreenBitmap.prepareToDraw(); |
| |
| // Start the post-screenshot animation |
| startAnimation(finisher, mDisplayMetrics.widthPixels, mDisplayMetrics.heightPixels, |
| statusBarVisible, navBarVisible); |
| } |
| |
| |
| /** |
| * Starts the animation after taking the screenshot |
| */ |
| private void startAnimation(final Runnable finisher, int w, int h, boolean statusBarVisible, |
| boolean navBarVisible) { |
| // Add the view for the animation |
| mScreenshotView.setImageBitmap(mScreenBitmap); |
| mScreenshotLayout.requestFocus(); |
| |
| // Setup the animation with the screenshot just taken |
| if (mScreenshotAnimation != null) { |
| mScreenshotAnimation.end(); |
| mScreenshotAnimation.removeAllListeners(); |
| } |
| |
| mWindowManager.addView(mScreenshotLayout, mWindowLayoutParams); |
| ValueAnimator screenshotDropInAnim = createScreenshotDropInAnimation(); |
| ValueAnimator screenshotFadeOutAnim = createScreenshotDropOutAnimation(w, h, |
| statusBarVisible, navBarVisible); |
| mScreenshotAnimation = new AnimatorSet(); |
| mScreenshotAnimation.playSequentially(screenshotDropInAnim, screenshotFadeOutAnim); |
| mScreenshotAnimation.addListener(new AnimatorListenerAdapter() { |
| @Override |
| public void onAnimationEnd(Animator animation) { |
| // Save the screenshot once we have a bit of time now |
| saveScreenshotInWorkerThread(finisher); |
| mWindowManager.removeView(mScreenshotLayout); |
| |
| // Clear any references to the bitmap |
| mScreenBitmap = null; |
| mScreenshotView.setImageBitmap(null); |
| } |
| }); |
| mScreenshotLayout.post(new Runnable() { |
| @Override |
| public void run() { |
| // Play the shutter sound to notify that we've taken a screenshot |
| mCameraSound.play(MediaActionSound.SHUTTER_CLICK); |
| |
| mScreenshotView.setLayerType(View.LAYER_TYPE_HARDWARE, null); |
| mScreenshotView.buildLayer(); |
| mScreenshotAnimation.start(); |
| } |
| }); |
| } |
| private ValueAnimator createScreenshotDropInAnimation() { |
| final float flashPeakDurationPct = ((float) (SCREENSHOT_FLASH_TO_PEAK_DURATION) |
| / SCREENSHOT_DROP_IN_DURATION); |
| final float flashDurationPct = 2f * flashPeakDurationPct; |
| final Interpolator flashAlphaInterpolator = new Interpolator() { |
| @Override |
| public float getInterpolation(float x) { |
| // Flash the flash view in and out quickly |
| if (x <= flashDurationPct) { |
| return (float) Math.sin(Math.PI * (x / flashDurationPct)); |
| } |
| return 0; |
| } |
| }; |
| final Interpolator scaleInterpolator = new Interpolator() { |
| @Override |
| public float getInterpolation(float x) { |
| // We start scaling when the flash is at it's peak |
| if (x < flashPeakDurationPct) { |
| return 0; |
| } |
| return (x - flashDurationPct) / (1f - flashDurationPct); |
| } |
| }; |
| ValueAnimator anim = ValueAnimator.ofFloat(0f, 1f); |
| anim.setDuration(SCREENSHOT_DROP_IN_DURATION); |
| anim.addListener(new AnimatorListenerAdapter() { |
| @Override |
| public void onAnimationStart(Animator animation) { |
| mBackgroundView.setAlpha(0f); |
| mBackgroundView.setVisibility(View.VISIBLE); |
| mScreenshotView.setAlpha(0f); |
| mScreenshotView.setTranslationX(0f); |
| mScreenshotView.setTranslationY(0f); |
| mScreenshotView.setScaleX(SCREENSHOT_SCALE + mBgPaddingScale); |
| mScreenshotView.setScaleY(SCREENSHOT_SCALE + mBgPaddingScale); |
| mScreenshotView.setVisibility(View.VISIBLE); |
| mScreenshotFlash.setAlpha(0f); |
| mScreenshotFlash.setVisibility(View.VISIBLE); |
| } |
| @Override |
| public void onAnimationEnd(android.animation.Animator animation) { |
| mScreenshotFlash.setVisibility(View.GONE); |
| } |
| }); |
| anim.addUpdateListener(new AnimatorUpdateListener() { |
| @Override |
| public void onAnimationUpdate(ValueAnimator animation) { |
| float t = (Float) animation.getAnimatedValue(); |
| float scaleT = (SCREENSHOT_SCALE + mBgPaddingScale) |
| - scaleInterpolator.getInterpolation(t) |
| * (SCREENSHOT_SCALE - SCREENSHOT_DROP_IN_MIN_SCALE); |
| mBackgroundView.setAlpha(scaleInterpolator.getInterpolation(t) * BACKGROUND_ALPHA); |
| mScreenshotView.setAlpha(t); |
| mScreenshotView.setScaleX(scaleT); |
| mScreenshotView.setScaleY(scaleT); |
| mScreenshotFlash.setAlpha(flashAlphaInterpolator.getInterpolation(t)); |
| } |
| }); |
| return anim; |
| } |
| private ValueAnimator createScreenshotDropOutAnimation(int w, int h, boolean statusBarVisible, |
| boolean navBarVisible) { |
| ValueAnimator anim = ValueAnimator.ofFloat(0f, 1f); |
| anim.setStartDelay(SCREENSHOT_DROP_OUT_DELAY); |
| anim.addListener(new AnimatorListenerAdapter() { |
| @Override |
| public void onAnimationEnd(Animator animation) { |
| mBackgroundView.setVisibility(View.GONE); |
| mScreenshotView.setVisibility(View.GONE); |
| mScreenshotView.setLayerType(View.LAYER_TYPE_NONE, null); |
| } |
| }); |
| |
| if (!statusBarVisible || !navBarVisible) { |
| // There is no status bar/nav bar, so just fade the screenshot away in place |
| anim.setDuration(SCREENSHOT_FAST_DROP_OUT_DURATION); |
| anim.addUpdateListener(new AnimatorUpdateListener() { |
| @Override |
| public void onAnimationUpdate(ValueAnimator animation) { |
| float t = (Float) animation.getAnimatedValue(); |
| float scaleT = (SCREENSHOT_DROP_IN_MIN_SCALE + mBgPaddingScale) |
| - t * (SCREENSHOT_DROP_IN_MIN_SCALE - SCREENSHOT_FAST_DROP_OUT_MIN_SCALE); |
| mBackgroundView.setAlpha((1f - t) * BACKGROUND_ALPHA); |
| mScreenshotView.setAlpha(1f - t); |
| mScreenshotView.setScaleX(scaleT); |
| mScreenshotView.setScaleY(scaleT); |
| } |
| }); |
| } else { |
| // In the case where there is a status bar, animate to the origin of the bar (top-left) |
| final float scaleDurationPct = (float) SCREENSHOT_DROP_OUT_SCALE_DURATION |
| / SCREENSHOT_DROP_OUT_DURATION; |
| final Interpolator scaleInterpolator = new Interpolator() { |
| @Override |
| public float getInterpolation(float x) { |
| if (x < scaleDurationPct) { |
| // Decelerate, and scale the input accordingly |
| return (float) (1f - Math.pow(1f - (x / scaleDurationPct), 2f)); |
| } |
| return 1f; |
| } |
| }; |
| |
| // Determine the bounds of how to scale |
| float halfScreenWidth = (w - 2f * mBgPadding) / 2f; |
| float halfScreenHeight = (h - 2f * mBgPadding) / 2f; |
| final float offsetPct = SCREENSHOT_DROP_OUT_MIN_SCALE_OFFSET; |
| final PointF finalPos = new PointF( |
| -halfScreenWidth + (SCREENSHOT_DROP_OUT_MIN_SCALE + offsetPct) * halfScreenWidth, |
| -halfScreenHeight + (SCREENSHOT_DROP_OUT_MIN_SCALE + offsetPct) * halfScreenHeight); |
| |
| // Animate the screenshot to the status bar |
| anim.setDuration(SCREENSHOT_DROP_OUT_DURATION); |
| anim.addUpdateListener(new AnimatorUpdateListener() { |
| @Override |
| public void onAnimationUpdate(ValueAnimator animation) { |
| float t = (Float) animation.getAnimatedValue(); |
| float scaleT = (SCREENSHOT_DROP_IN_MIN_SCALE + mBgPaddingScale) |
| - scaleInterpolator.getInterpolation(t) |
| * (SCREENSHOT_DROP_IN_MIN_SCALE - SCREENSHOT_DROP_OUT_MIN_SCALE); |
| mBackgroundView.setAlpha((1f - t) * BACKGROUND_ALPHA); |
| mScreenshotView.setAlpha(1f - scaleInterpolator.getInterpolation(t)); |
| mScreenshotView.setScaleX(scaleT); |
| mScreenshotView.setScaleY(scaleT); |
| mScreenshotView.setTranslationX(t * finalPos.x); |
| mScreenshotView.setTranslationY(t * finalPos.y); |
| } |
| }); |
| } |
| return anim; |
| } |
| |
| static void notifyScreenshotError(Context context, NotificationManager nManager) { |
| Resources r = context.getResources(); |
| |
| // Clear all existing notification, compose the new notification and show it |
| Notification.Builder b = new Notification.Builder(context) |
| .setTicker(r.getString(R.string.screenshot_failed_title)) |
| .setContentTitle(r.getString(R.string.screenshot_failed_title)) |
| .setContentText(r.getString(R.string.screenshot_failed_text)) |
| .setSmallIcon(R.drawable.stat_notify_image_error) |
| .setWhen(System.currentTimeMillis()) |
| .setVisibility(Notification.VISIBILITY_PUBLIC) // ok to show outside lockscreen |
| .setCategory(Notification.CATEGORY_ERROR) |
| .setAutoCancel(true); |
| Notification n = |
| new Notification.BigTextStyle(b) |
| .bigText(r.getString(R.string.screenshot_failed_text)) |
| .build(); |
| nManager.notify(SCREENSHOT_NOTIFICATION_ID, n); |
| } |
| } |
