| /* |
| * 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.gallery3d.app; |
| |
| import android.app.Activity; |
| import android.app.ProgressDialog; |
| import android.app.WallpaperManager; |
| 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 com.android.gallery3d.R; |
| import com.android.gallery3d.util.Utils; |
| |
| import java.io.File; |
| import java.io.FileInputStream; |
| import java.io.FileNotFoundException; |
| import java.io.IOException; |
| import java.io.InputStream; |
| |
| /** |
| * Wallpaper picker for the gallery application. This just redirects to the |
| * standard pick action. |
| */ |
| public class Wallpaper extends Activity { |
| private static final String TAG = "SetWallpaper"; |
| |
| // TODO: move this action to CropImage activity |
| private static final String CROP_ACTION = "com.android.camera.action.CROP"; |
| |
| static final int PHOTO_PICKED = 1; |
| static final int CROP_DONE = 2; |
| |
| static final int MSG_SHOW_PROGRESS = 0; |
| static final int MSG_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 MSG_SHOW_PROGRESS: { |
| CharSequence c = getText(R.string.wallpaper); |
| mProgressDialog = ProgressDialog.show( |
| Wallpaper.this, "", c, true, false); |
| break; |
| } |
| case MSG_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 { |
| WallpaperManager.getInstance(mContext).setBitmap(mBitmap); |
| } catch (IOException e) { |
| Log.e(TAG, "Failed to set wallpaper.", e); |
| } finally { |
| mHandler.sendEmptyMessage(MSG_FINISH); |
| mFile.delete(); |
| } |
| } |
| } |
| |
| private void closeProgressDialog() { |
| if (mProgressDialog != null) { |
| mProgressDialog.dismiss(); |
| mProgressDialog = null; |
| } |
| } |
| |
| @Override |
| protected void onCreate(Bundle bundle) { |
| super.onCreate(bundle); |
| if (bundle != null) { |
| mDoLaunch = bundle.getBoolean(DO_LAUNCH_ICICLE); |
| mTempFile = new File(bundle.getString(TEMP_FILE_PATH_ICICLE)); |
| } |
| } |
| |
| @Override |
| protected void onSaveInstanceState(Bundle saveState) { |
| saveState.putBoolean(DO_LAUNCH_ICICLE, mDoLaunch); |
| saveState.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.setAction(CROP_ACTION); |
| 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(TAG, "Failed to set wallpaper. " |
| + "Couldn't get bitmap for path " + mTempFile); |
| } else { |
| mHandler.sendEmptyMessage(MSG_SHOW_PROGRESS); |
| new SetWallpaperThread(bitmap, mHandler, this, mTempFile).start(); |
| } |
| mDoLaunch = false; |
| } finally { |
| Utils.closeSilently(s); |
| } |
| } catch (FileNotFoundException ex) { |
| Log.e(TAG, "file not found: " + mTempFile, ex); |
| } |
| } else { |
| setResult(RESULT_CANCELED); |
| finish(); |
| } |
| } |
| } |