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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.gallery3d.app;
import android.annotation.TargetApi;
import android.app.Activity;
import android.content.Intent;
import android.graphics.Point;
import android.net.Uri;
import android.os.Build;
import android.os.Bundle;
import android.view.Display;
import com.android.gallery3d.common.ApiHelper;
import com.android.gallery3d.filtershow.FilterShowActivity;
import com.android.gallery3d.filtershow.crop.CropExtras;
/**
* Wallpaper picker for the gallery application. This just redirects to the
* standard pick action.
*/
public class Wallpaper extends Activity {
@SuppressWarnings("unused")
private static final String TAG = "Wallpaper";
private static final String IMAGE_TYPE = "image/*";
private static final String KEY_STATE = "activity-state";
private static final String KEY_PICKED_ITEM = "picked-item";
private static final int STATE_INIT = 0;
private static final int STATE_PHOTO_PICKED = 1;
private int mState = STATE_INIT;
private Uri mPickedItem;
@Override
protected void onCreate(Bundle bundle) {
super.onCreate(bundle);
if (bundle != null) {
mState = bundle.getInt(KEY_STATE);
mPickedItem = (Uri) bundle.getParcelable(KEY_PICKED_ITEM);
}
}
@Override
protected void onSaveInstanceState(Bundle saveState) {
saveState.putInt(KEY_STATE, mState);
if (mPickedItem != null) {
saveState.putParcelable(KEY_PICKED_ITEM, mPickedItem);
}
}
@SuppressWarnings("deprecation")
@TargetApi(Build.VERSION_CODES.HONEYCOMB_MR2)
private Point getDefaultDisplaySize(Point size) {
Display d = getWindowManager().getDefaultDisplay();
if (Build.VERSION.SDK_INT >= ApiHelper.VERSION_CODES.HONEYCOMB_MR2) {
d.getSize(size);
} else {
size.set(d.getWidth(), d.getHeight());
}
return size;
}
@SuppressWarnings("fallthrough")
@Override
protected void onResume() {
super.onResume();
Intent intent = getIntent();
switch (mState) {
case STATE_INIT: {
mPickedItem = intent.getData();
if (mPickedItem == null) {
Intent request = new Intent(Intent.ACTION_GET_CONTENT)
.setClass(this, DialogPicker.class)
.setType(IMAGE_TYPE);
startActivityForResult(request, STATE_PHOTO_PICKED);
return;
}
mState = STATE_PHOTO_PICKED;
// fall-through
}
case STATE_PHOTO_PICKED: {
int width = getWallpaperDesiredMinimumWidth();
int height = getWallpaperDesiredMinimumHeight();
Point size = getDefaultDisplaySize(new Point());
float spotlightX = (float) size.x / width;
float spotlightY = (float) size.y / height;
Intent request = new Intent(FilterShowActivity.CROP_ACTION)
.setDataAndType(mPickedItem, IMAGE_TYPE)
.addFlags(Intent.FLAG_ACTIVITY_FORWARD_RESULT)
.putExtra(CropExtras.KEY_OUTPUT_X, width)
.putExtra(CropExtras.KEY_OUTPUT_Y, height)
.putExtra(CropExtras.KEY_ASPECT_X, width)
.putExtra(CropExtras.KEY_ASPECT_Y, height)
.putExtra(CropExtras.KEY_SPOTLIGHT_X, spotlightX)
.putExtra(CropExtras.KEY_SPOTLIGHT_Y, spotlightY)
.putExtra(CropExtras.KEY_SCALE, true)
.putExtra(CropExtras.KEY_SCALE_UP_IF_NEEDED, true)
.putExtra(CropExtras.KEY_SET_AS_WALLPAPER, true);
startActivity(request);
finish();
}
}
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
if (resultCode != RESULT_OK) {
setResult(resultCode);
finish();
return;
}
mState = requestCode;
if (mState == STATE_PHOTO_PICKED) {
mPickedItem = data.getData();
}
// onResume() would be called next
}
}