Use new default wallpaper API
Change-Id: I77ce7f03f0d2c94d890d3eeee6750488b071b2ab
diff --git a/src/com/android/launcher3/WallpaperPickerActivity.java b/src/com/android/launcher3/WallpaperPickerActivity.java
index e71a26b..2ad9218 100644
--- a/src/com/android/launcher3/WallpaperPickerActivity.java
+++ b/src/com/android/launcher3/WallpaperPickerActivity.java
@@ -31,7 +31,9 @@
import android.database.DataSetObserver;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
+import android.graphics.Canvas;
import android.graphics.Matrix;
+import android.graphics.Paint;
import android.graphics.Point;
import android.graphics.PorterDuff;
import android.graphics.Rect;
@@ -40,6 +42,7 @@
import android.graphics.drawable.Drawable;
import android.graphics.drawable.LevelListDrawable;
import android.net.Uri;
+import android.os.Build;
import android.os.Bundle;
import android.provider.MediaStore;
import android.util.Log;
@@ -51,10 +54,10 @@
import android.view.MenuItem;
import android.view.View;
import android.view.View.OnClickListener;
+import android.view.View.OnLayoutChangeListener;
import android.view.ViewGroup;
import android.view.ViewTreeObserver;
import android.view.ViewTreeObserver.OnGlobalLayoutListener;
-import android.view.accessibility.AccessibilityEvent;
import android.view.animation.AccelerateInterpolator;
import android.view.animation.DecelerateInterpolator;
import android.widget.BaseAdapter;
@@ -64,14 +67,11 @@
import android.widget.LinearLayout;
import android.widget.ListAdapter;
-import com.android.gallery3d.exif.ExifInterface;
import com.android.photos.BitmapRegionTileSource;
-import java.io.BufferedInputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
-import java.io.InputStream;
import java.util.ArrayList;
public class WallpaperPickerActivity extends WallpaperCropActivity {
@@ -81,6 +81,7 @@
public static final int PICK_WALLPAPER_THIRD_PARTY_ACTIVITY = 6;
public static final int PICK_LIVE_WALLPAPER = 7;
private static final String TEMP_WALLPAPER_TILES = "TEMP_WALLPAPER_TILES";
+ private static final String DEFAULT_WALLPAPER_THUMBNAIL_FILENAME = "default_thumb.jpg";
private View mSelectedThumb;
private boolean mIgnoreNextTap;
@@ -88,6 +89,7 @@
private LinearLayout mWallpapersView;
private View mWallpaperStrip;
+ private ImageView mDefaultWallpaperView;
private ActionMode.Callback mActionModeCallback;
private ActionMode mActionMode;
@@ -133,6 +135,7 @@
public void onClick(WallpaperPickerActivity a) {
CropView v = a.getCropView();
int rotation = WallpaperCropActivity.getRotationFromExif(a, mUri);
+ a.getDefaultWallpaperView().setVisibility(View.INVISIBLE);
v.setTileSource(new BitmapRegionTileSource(a, mUri, 1024, rotation), null);
v.setTouchEnabled(true);
}
@@ -176,6 +179,7 @@
BitmapRegionTileSource source = new BitmapRegionTileSource(
mResources, a, mResId, 1024, rotation);
CropView v = a.getCropView();
+ a.getDefaultWallpaperView().setVisibility(View.INVISIBLE);
v.setTileSource(source, null);
Point wallpaperSize = WallpaperCropActivity.getDefaultWallpaperSize(
a.getResources(), a.getWindowManager());
@@ -200,6 +204,42 @@
}
}
+ public static class DefaultWallpaperInfo extends WallpaperTileInfo {
+ public Drawable mThumb;
+ public DefaultWallpaperInfo(Drawable thumb) {
+ mThumb = thumb;
+ }
+ @Override
+ public void onClick(WallpaperPickerActivity a) {
+ a.getCropView().setTouchEnabled(false);
+ ImageView defaultWallpaperView = a.getDefaultWallpaperView();
+ defaultWallpaperView.setVisibility(View.VISIBLE);
+ Drawable defaultWallpaper = WallpaperManager.getInstance(a).getBuiltInDrawable(
+ defaultWallpaperView.getWidth(), defaultWallpaperView.getHeight(),
+ false, 0.5f, 0.5f);
+ if (defaultWallpaper != null) {
+ defaultWallpaperView.setBackgroundDrawable(defaultWallpaper);
+ }
+ }
+ @Override
+ public void onSave(WallpaperPickerActivity a) {
+ try {
+ WallpaperManager.getInstance(a).clear();
+ } catch (IOException e) {
+ Log.w("Setting wallpaper to default threw exception", e);
+ }
+ a.finish();
+ }
+ @Override
+ public boolean isSelectable() {
+ return true;
+ }
+ @Override
+ public boolean isNamelessWallpaper() {
+ return true;
+ }
+ }
+
public void setWallpaperStripYOffset(float offset) {
mWallpaperStrip.setPadding(0, 0, 0, (int) offset);
}
@@ -209,6 +249,7 @@
setContentView(R.layout.wallpaper_picker);
mCropView = (CropView) findViewById(R.id.cropView);
+ mDefaultWallpaperView = (ImageView) findViewById(R.id.defaultWallpaperView);
mWallpaperStrip = findViewById(R.id.wallpaper_strip);
mCropView.setTouchCallback(new CropView.TouchCallback() {
LauncherViewPropertyAnimator mAnim;
@@ -305,12 +346,12 @@
ArrayList<ResourceWallpaperInfo> wallpapers = findBundledWallpapers();
mWallpapersView = (LinearLayout) findViewById(R.id.wallpaper_list);
BuiltInWallpapersAdapter ia = new BuiltInWallpapersAdapter(this, wallpapers);
- populateWallpapersFromAdapter(mWallpapersView, ia, false, true);
+ populateWallpapersFromAdapter(mWallpapersView, ia, false);
// Populate the saved wallpapers
mSavedImages = new SavedWallpaperImages(this);
mSavedImages.loadThumbnailsAndImageIdList();
- populateWallpapersFromAdapter(mWallpapersView, mSavedImages, true, true);
+ populateWallpapersFromAdapter(mWallpapersView, mSavedImages, true);
// Populate the live wallpapers
final LinearLayout liveWallpapersView =
@@ -319,7 +360,7 @@
a.registerDataSetObserver(new DataSetObserver() {
public void onChanged() {
liveWallpapersView.removeAllViews();
- populateWallpapersFromAdapter(liveWallpapersView, a, false, false);
+ populateWallpapersFromAdapter(liveWallpapersView, a, false);
initializeScrollForRtl();
updateTileIndices();
}
@@ -330,7 +371,7 @@
(LinearLayout) findViewById(R.id.third_party_wallpaper_list);
final ThirdPartyWallpaperPickerListAdapter ta =
new ThirdPartyWallpaperPickerListAdapter(this);
- populateWallpapersFromAdapter(thirdPartyWallpapersView, ta, false, false);
+ populateWallpapersFromAdapter(thirdPartyWallpapersView, ta, false);
// Add a tile for the Gallery
LinearLayout masterWallpaperList = (LinearLayout) findViewById(R.id.master_wallpaper_list);
@@ -354,7 +395,33 @@
pickImageTile.setTag(pickImageInfo);
pickImageInfo.setView(pickImageTile);
pickImageTile.setOnClickListener(mThumbnailOnClickListener);
- pickImageInfo.setView(pickImageTile);
+
+ // Add a tile for the default wallpaper
+ if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
+ DefaultWallpaperInfo defaultWallpaperInfo = getDefaultWallpaper();
+ FrameLayout defaultWallpaperTile = (FrameLayout) createImageTileView(
+ getLayoutInflater(), 0, null, mWallpapersView, defaultWallpaperInfo.mThumb);
+ setWallpaperItemPaddingToZero(defaultWallpaperTile);
+ defaultWallpaperTile.setTag(defaultWallpaperInfo);
+ mWallpapersView.addView(defaultWallpaperTile, 0);
+ defaultWallpaperTile.setOnClickListener(mThumbnailOnClickListener);
+ defaultWallpaperInfo.setView(defaultWallpaperTile);
+ }
+
+ // Select the first item; wait for a layout pass so that we initialize the dimensions of
+ // cropView or the defaultWallpaperView first
+ mDefaultWallpaperView.addOnLayoutChangeListener(new OnLayoutChangeListener() {
+ @Override
+ public void onLayoutChange(View v, int left, int top, int right, int bottom,
+ int oldLeft, int oldTop, int oldRight, int oldBottom) {
+ if ((right - left) > 0 && (bottom - top) > 0) {
+ if (mWallpapersView.getChildCount() > 0) {
+ mThumbnailOnClickListener.onClick(mWallpapersView.getChildAt(0));
+ }
+ v.removeOnLayoutChangeListener(this);
+ }
+ }
+ });
updateTileIndices();
@@ -520,7 +587,7 @@
}
private void populateWallpapersFromAdapter(ViewGroup parent, BaseAdapter adapter,
- boolean addLongPressHandler, boolean selectFirstTile) {
+ boolean addLongPressHandler) {
for (int i = 0; i < adapter.getCount(); i++) {
FrameLayout thumbnail = (FrameLayout) adapter.getView(i, null, parent);
parent.addView(thumbnail, i);
@@ -531,9 +598,6 @@
addLongPressHandler(thumbnail);
}
thumbnail.setOnClickListener(mThumbnailOnClickListener);
- if (i == 0 && selectFirstTile) {
- mThumbnailOnClickListener.onClick(thumbnail);
- }
}
}
@@ -700,18 +764,35 @@
}
// Add an entry for the default wallpaper (stored in system resources)
- ResourceWallpaperInfo defaultWallpaperInfo = getDefaultWallpaperInfo();
- if (defaultWallpaperInfo != null) {
- bundledWallpapers.add(0, defaultWallpaperInfo);
+ if (Build.VERSION.SDK_INT < Build.VERSION_CODES.KITKAT) {
+ ResourceWallpaperInfo defaultWallpaperInfo = getPreKKDefaultWallpaperInfo();
+ if (defaultWallpaperInfo != null) {
+ bundledWallpapers.add(0, defaultWallpaperInfo);
+ }
}
return bundledWallpapers;
}
- private ResourceWallpaperInfo getDefaultWallpaperInfo() {
+ private boolean writeImageToFileAsJpeg(File f, Bitmap b) {
+ try {
+ f.createNewFile();
+ FileOutputStream thumbFileStream =
+ openFileOutput(f.getName(), Context.MODE_PRIVATE);
+ b.compress(Bitmap.CompressFormat.JPEG, 95, thumbFileStream);
+ thumbFileStream.close();
+ return true;
+ } catch (IOException e) {
+ Log.e(TAG, "Error while writing bitmap to file " + e);
+ f.delete();
+ }
+ return false;
+ }
+
+ private ResourceWallpaperInfo getPreKKDefaultWallpaperInfo() {
Resources sysRes = Resources.getSystem();
int resId = sysRes.getIdentifier("default_wallpaper", "drawable", "android");
- File defaultThumbFile = new File(getFilesDir(), "default_thumb.jpg");
+ File defaultThumbFile = new File(getFilesDir(), DEFAULT_WALLPAPER_THUMBNAIL_FILENAME);
Bitmap thumb = null;
boolean defaultWallpaperExists = false;
if (defaultThumbFile.exists()) {
@@ -724,17 +805,7 @@
thumb = createThumbnail(
defaultThumbSize, this, null, null, sysRes, resId, rotation, false);
if (thumb != null) {
- try {
- defaultThumbFile.createNewFile();
- FileOutputStream thumbFileStream =
- openFileOutput(defaultThumbFile.getName(), Context.MODE_PRIVATE);
- thumb.compress(Bitmap.CompressFormat.JPEG, 95, thumbFileStream);
- thumbFileStream.close();
- defaultWallpaperExists = true;
- } catch (IOException e) {
- Log.e(TAG, "Error while writing default wallpaper thumbnail to file " + e);
- defaultThumbFile.delete();
- }
+ defaultWallpaperExists = writeImageToFileAsJpeg(defaultThumbFile, thumb);
}
}
if (defaultWallpaperExists) {
@@ -743,6 +814,37 @@
return null;
}
+ private DefaultWallpaperInfo getDefaultWallpaper() {
+ File defaultThumbFile = new File(getFilesDir(), DEFAULT_WALLPAPER_THUMBNAIL_FILENAME);
+ Bitmap thumb = null;
+ boolean defaultWallpaperExists = false;
+ if (defaultThumbFile.exists()) {
+ thumb = BitmapFactory.decodeFile(defaultThumbFile.getAbsolutePath());
+ defaultWallpaperExists = true;
+ } else {
+ Resources res = getResources();
+ Point defaultThumbSize = getDefaultThumbnailSize(res);
+ Paint p = new Paint();
+ p.setFilterBitmap(true);
+ Drawable wallpaperDrawable = WallpaperManager.getInstance(this).getBuiltInDrawable(
+ defaultThumbSize.x, defaultThumbSize.y, true, 0.5f, 0.5f);
+ if (wallpaperDrawable != null) {
+ thumb = Bitmap.createBitmap(
+ defaultThumbSize.x, defaultThumbSize.y, Bitmap.Config.ARGB_8888);
+ Canvas c = new Canvas(thumb);
+ wallpaperDrawable.draw(c);
+ c.setBitmap(null);
+ }
+ if (thumb != null) {
+ defaultWallpaperExists = writeImageToFileAsJpeg(defaultThumbFile, thumb);
+ }
+ }
+ if (defaultWallpaperExists) {
+ return new DefaultWallpaperInfo(new BitmapDrawable(thumb));
+ }
+ return null;
+ }
+
public Pair<ApplicationInfo, Integer> getWallpaperArrayResourceId() {
// Context.getPackageName() may return the "original" package name,
// com.android.launcher3; Resources needs the real package name,
@@ -784,6 +886,10 @@
return mCropView;
}
+ public ImageView getDefaultWallpaperView() {
+ return mDefaultWallpaperView;
+ }
+
public SavedWallpaperImages getSavedImages() {
return mSavedImages;
}