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/*
* Copyright (C) 2007 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.camera;
import android.app.Activity;
import android.app.ProgressDialog;
import android.content.Context;
import android.content.Intent;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.net.Uri;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.provider.MediaStore;
import android.util.Log;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
/**
* Wallpaper picker for the camera application. This just redirects to the
* standard pick action.
*/
public class Wallpaper extends Activity {
private static final String LOG_TAG = "Camera";
static final int PHOTO_PICKED = 1;
static final int CROP_DONE = 2;
static final int SHOW_PROGRESS = 0;
static final int FINISH = 1;
static final String DO_LAUNCH_ICICLE = "do_launch";
static final String TEMP_FILE_PATH_ICICLE = "temp_file_path";
private ProgressDialog mProgressDialog = null;
private boolean mDoLaunch = true;
private File mTempFile;
private final Handler mHandler = new Handler() {
@Override
public void handleMessage(Message msg) {
switch (msg.what) {
case SHOW_PROGRESS: {
CharSequence c = getText(R.string.wallpaper);
mProgressDialog = ProgressDialog.show(Wallpaper.this,
"", c, true, false);
break;
}
case FINISH: {
closeProgressDialog();
setResult(RESULT_OK);
finish();
break;
}
}
}
};
static class SetWallpaperThread extends Thread {
private final Bitmap mBitmap;
private final Handler mHandler;
private final Context mContext;
private final File mFile;
public SetWallpaperThread(Bitmap bitmap, Handler handler,
Context context, File file) {
mBitmap = bitmap;
mHandler = handler;
mContext = context;
mFile = file;
}
@Override
public void run() {
try {
mContext.setWallpaper(mBitmap);
} catch (IOException e) {
Log.e(LOG_TAG, "Failed to set wallpaper.", e);
} finally {
mHandler.sendEmptyMessage(FINISH);
mFile.delete();
}
}
}
private synchronized void closeProgressDialog() {
if (mProgressDialog != null) {
mProgressDialog.dismiss();
mProgressDialog = null;
}
}
@Override
protected void onCreate(Bundle icicle) {
super.onCreate(icicle);
if (icicle != null) {
mDoLaunch = icicle.getBoolean(DO_LAUNCH_ICICLE);
mTempFile = new File(icicle.getString(TEMP_FILE_PATH_ICICLE));
}
}
@Override
protected void onSaveInstanceState(Bundle icicle) {
icicle.putBoolean(DO_LAUNCH_ICICLE, mDoLaunch);
icicle.putString(TEMP_FILE_PATH_ICICLE, mTempFile.getAbsolutePath());
}
@Override
protected void onPause() {
closeProgressDialog();
super.onPause();
}
@Override
protected void onResume() {
super.onResume();
if (!mDoLaunch) {
return;
}
Uri imageToUse = getIntent().getData();
if (imageToUse != null) {
Intent intent = new Intent();
intent.setClassName("com.android.camera",
"com.android.camera.CropImage");
intent.setData(imageToUse);
formatIntent(intent);
startActivityForResult(intent, CROP_DONE);
} else {
Intent intent = new Intent(Intent.ACTION_GET_CONTENT, null);
intent.setType("image/*");
intent.putExtra("crop", "true");
formatIntent(intent);
startActivityForResult(intent, PHOTO_PICKED);
}
}
protected void formatIntent(Intent intent) {
// TODO: A temporary file is NOT necessary
// The CropImage intent should be able to set the wallpaper directly
// without writing to a file, which we then need to read here to write
// it again as the final wallpaper, this is silly
mTempFile = getFileStreamPath("temp-wallpaper");
mTempFile.getParentFile().mkdirs();
int width = getWallpaperDesiredMinimumWidth();
int height = getWallpaperDesiredMinimumHeight();
intent.putExtra("outputX", width);
intent.putExtra("outputY", height);
intent.putExtra("aspectX", width);
intent.putExtra("aspectY", height);
intent.putExtra("scale", true);
intent.putExtra("noFaceDetection", true);
intent.putExtra(MediaStore.EXTRA_OUTPUT, Uri.fromFile(mTempFile));
intent.putExtra("outputFormat", Bitmap.CompressFormat.PNG.name());
// TODO: we should have an extra called "setWallpaper" to ask CropImage
// to set the cropped image as a wallpaper directly. This means the
// SetWallpaperThread should be moved out of this class to CropImage
}
@Override
protected void onActivityResult(int requestCode, int resultCode,
Intent data) {
if ((requestCode == PHOTO_PICKED || requestCode == CROP_DONE)
&& (resultCode == RESULT_OK) && (data != null)) {
try {
InputStream s = new FileInputStream(mTempFile);
try {
Bitmap bitmap = BitmapFactory.decodeStream(s);
if (bitmap == null) {
Log.e(LOG_TAG, "Failed to set wallpaper. "
+ "Couldn't get bitmap for path "
+ mTempFile);
} else {
mHandler.sendEmptyMessage(SHOW_PROGRESS);
new SetWallpaperThread(
bitmap, mHandler, this, mTempFile).start();
}
mDoLaunch = false;
} finally {
Util.closeSilently(s);
}
} catch (FileNotFoundException ex) {
Log.e(LOG_TAG, "file not found: " + mTempFile, ex);
}
} else {
setResult(RESULT_CANCELED);
finish();
}
}
}
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