1 files changed, 135 insertions, 0 deletions
diff --git a/src/com/android/gallery3d/app/Wallpaper.java b/src/com/android/gallery3d/app/Wallpaper.java
new file mode 100644
index 000000000..b0a26c236
--- /dev/null
+++ b/src/com/android/gallery3d/app/Wallpaper.java
@@ -0,0 +1,135 @@
+/*
+ * 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.crop.CropActivity;
+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(CropActivity.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
+    }
+}