protected void init() {
setContentView(R.layout.wallpaper_cropper);
mCropView = (CropView) findViewById(R.id.cropView);
Intent cropIntent = getIntent();
final Uri imageUri = cropIntent.getData();
if (imageUri == null) {
Log.e(LOGTAG, "No URI passed in intent, exiting WallpaperCropActivity");
finish();
return;
}
int rotation = getRotationFromExif(this, imageUri);
mCropView.setTileSource(new BitmapRegionTileSource(this, imageUri, 1024, rotation), null);
mCropView.setTouchEnabled(true);
// Action bar
// Show the custom action bar view
final ActionBar actionBar = getActionBar();
actionBar.setCustomView(R.layout.actionbar_set_wallpaper);
actionBar
.getCustomView()
.setOnClickListener(
new View.OnClickListener() {
@Override
public void onClick(View v) {
boolean finishActivityWhenDone = true;
cropImageAndSetWallpaper(imageUri, null, finishActivityWhenDone);
}
});
}
protected void cropImageAndSetWallpaper(
Resources res, int resId, final boolean finishActivityWhenDone) {
// crop this image and scale it down to the default wallpaper size for
// this device
int rotation = getRotationFromExif(res, resId);
Point inSize = mCropView.getSourceDimensions();
Point outSize = getDefaultWallpaperSize(getResources(), getWindowManager());
RectF crop = getMaxCropRect(inSize.x, inSize.y, outSize.x, outSize.y, false);
Runnable onEndCrop =
new Runnable() {
public void run() {
// Passing 0, 0 will cause launcher to revert to using the
// default wallpaper size
updateWallpaperDimensions(0, 0);
if (finishActivityWhenDone) {
setResult(Activity.RESULT_OK);
finish();
}
}
};
BitmapCropTask cropTask =
new BitmapCropTask(
this, res, resId, crop, rotation, outSize.x, outSize.y, true, false, onEndCrop);
cropTask.execute();
}
@Override
public void onClick(WallpaperPickerActivity a) {
BitmapRegionTileSource.ResourceBitmapSource bitmapSource =
new BitmapRegionTileSource.ResourceBitmapSource(
mResources, mResId, BitmapRegionTileSource.MAX_PREVIEW_SIZE);
bitmapSource.loadInBackground();
BitmapRegionTileSource source = new BitmapRegionTileSource(a, bitmapSource);
CropView v = a.getCropView();
v.setTileSource(source, null);
Point wallpaperSize =
WallpaperCropActivity.getDefaultWallpaperSize(a.getResources(), a.getWindowManager());
RectF crop =
WallpaperCropActivity.getMaxCropRect(
source.getImageWidth(),
source.getImageHeight(),
wallpaperSize.x,
wallpaperSize.y,
false);
v.setScale(wallpaperSize.x / crop.width());
v.setTouchEnabled(false);
a.setSystemWallpaperVisiblity(false);
}
@Override
public void onClick(WallpaperPickerActivity a) {
CropView c = a.getCropView();
Drawable defaultWallpaper =
WallpaperManager.getInstance(a)
.getBuiltInDrawable(c.getWidth(), c.getHeight(), false, 0.5f, 0.5f);
if (defaultWallpaper == null) {
Log.w(TAG, "Null default wallpaper encountered.");
c.setTileSource(null, null);
return;
}
c.setTileSource(
new DrawableTileSource(a, defaultWallpaper, DrawableTileSource.MAX_PREVIEW_SIZE), null);
c.setScale(1f);
c.setTouchEnabled(false);
a.setSystemWallpaperVisiblity(false);
}
protected void cropImageAndSetWallpaper(
Uri uri,
OnBitmapCroppedHandler onBitmapCroppedHandler,
final boolean finishActivityWhenDone) {
// Get the crop
boolean ltr = mCropView.getLayoutDirection() == View.LAYOUT_DIRECTION_LTR;
Point minDims = new Point();
Point maxDims = new Point();
Display d = getWindowManager().getDefaultDisplay();
d.getCurrentSizeRange(minDims, maxDims);
Point displaySize = new Point();
d.getSize(displaySize);
int maxDim = Math.max(maxDims.x, maxDims.y);
final int minDim = Math.min(minDims.x, minDims.y);
int defaultWallpaperWidth;
if (isScreenLarge(getResources())) {
defaultWallpaperWidth = (int) (maxDim * wallpaperTravelToScreenWidthRatio(maxDim, minDim));
} else {
defaultWallpaperWidth = Math.max((int) (minDim * WALLPAPER_SCREENS_SPAN), maxDim);
}
boolean isPortrait = displaySize.x < displaySize.y;
int portraitHeight;
if (isPortrait) {
portraitHeight = mCropView.getHeight();
} else {
// TODO: how to actually get the proper portrait height?
// This is not quite right:
portraitHeight = Math.max(maxDims.x, maxDims.y);
}
if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.JELLY_BEAN_MR1) {
Point realSize = new Point();
d.getRealSize(realSize);
portraitHeight = Math.max(realSize.x, realSize.y);
}
// Get the crop
RectF cropRect = mCropView.getCrop();
int cropRotation = mCropView.getImageRotation();
float cropScale = mCropView.getWidth() / (float) cropRect.width();
Point inSize = mCropView.getSourceDimensions();
Matrix rotateMatrix = new Matrix();
rotateMatrix.setRotate(cropRotation);
float[] rotatedInSize = new float[] {inSize.x, inSize.y};
rotateMatrix.mapPoints(rotatedInSize);
rotatedInSize[0] = Math.abs(rotatedInSize[0]);
rotatedInSize[1] = Math.abs(rotatedInSize[1]);
// ADJUST CROP WIDTH
// Extend the crop all the way to the right, for parallax
// (or all the way to the left, in RTL)
float extraSpace = ltr ? rotatedInSize[0] - cropRect.right : cropRect.left;
// Cap the amount of extra width
float maxExtraSpace = defaultWallpaperWidth / cropScale - cropRect.width();
extraSpace = Math.min(extraSpace, maxExtraSpace);
if (ltr) {
cropRect.right += extraSpace;
} else {
cropRect.left -= extraSpace;
}
// ADJUST CROP HEIGHT
if (isPortrait) {
cropRect.bottom = cropRect.top + portraitHeight / cropScale;
} else { // LANDSCAPE
float extraPortraitHeight = portraitHeight / cropScale - cropRect.height();
float expandHeight =
Math.min(
Math.min(rotatedInSize[1] - cropRect.bottom, cropRect.top), extraPortraitHeight / 2);
cropRect.top -= expandHeight;
cropRect.bottom += expandHeight;
}
final int outWidth = (int) Math.round(cropRect.width() * cropScale);
final int outHeight = (int) Math.round(cropRect.height() * cropScale);
Runnable onEndCrop =
new Runnable() {
public void run() {
updateWallpaperDimensions(outWidth, outHeight);
if (finishActivityWhenDone) {
setResult(Activity.RESULT_OK);
finish();
}
}
};
BitmapCropTask cropTask =
new BitmapCropTask(
this, uri, cropRect, cropRotation, outWidth, outHeight, true, false, onEndCrop);
if (onBitmapCroppedHandler != null) {
cropTask.setOnBitmapCropped(onBitmapCroppedHandler);
}
cropTask.execute();
}