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/*
* Copyright (C) 2010 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.launcher2;
import android.appwidget.AppWidgetProviderInfo;
import android.content.Context;
import android.content.pm.PackageManager;
import android.content.pm.ResolveInfo;
import android.content.res.Resources;
import android.util.AttributeSet;
import android.view.MotionEvent;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.TextView;
import com.android.launcher.R;
/**
* The linear layout used strictly for the widget/wallpaper tab of the customization tray
*/
public class PagedViewWidget extends LinearLayout {
static final String TAG = "PagedViewWidgetLayout";
private static boolean sDeletePreviewsWhenDetachedFromWindow = true;
private ImageView mPreviewImageView;
private String mDimensionsFormatString;
public PagedViewWidget(Context context) {
this(context, null);
}
public PagedViewWidget(Context context, AttributeSet attrs) {
this(context, attrs, 0);
}
public PagedViewWidget(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
final Resources r = context.getResources();
mDimensionsFormatString = r.getString(R.string.widget_dims_format);
setWillNotDraw(false);
setClipToPadding(false);
}
public static void setDeletePreviewsWhenDetachedFromWindow(boolean value) {
sDeletePreviewsWhenDetachedFromWindow = value;
}
@Override
protected void onDetachedFromWindow() {
super.onDetachedFromWindow();
if (sDeletePreviewsWhenDetachedFromWindow) {
final ImageView image = (ImageView) findViewById(R.id.widget_preview);
if (image != null) {
FastBitmapDrawable preview = (FastBitmapDrawable) image.getDrawable();
if (preview != null && preview.getBitmap() != null) {
preview.getBitmap().recycle();
}
image.setImageDrawable(null);
}
}
}
public void applyFromAppWidgetProviderInfo(AppWidgetProviderInfo info,
int maxWidth, int[] cellSpan) {
final ImageView image = (ImageView) findViewById(R.id.widget_preview);
if (maxWidth > -1) {
image.setMaxWidth(maxWidth);
}
image.setContentDescription(info.label);
mPreviewImageView = image;
final TextView name = (TextView) findViewById(R.id.widget_name);
name.setText(info.label);
final TextView dims = (TextView) findViewById(R.id.widget_dims);
if (dims != null) {
dims.setText(String.format(mDimensionsFormatString, cellSpan[0], cellSpan[1]));
}
}
public void applyFromResolveInfo(PackageManager pm, ResolveInfo info) {
CharSequence label = info.loadLabel(pm);
final ImageView image = (ImageView) findViewById(R.id.widget_preview);
image.setContentDescription(label);
mPreviewImageView = image;
final TextView name = (TextView) findViewById(R.id.widget_name);
name.setText(label);
final TextView dims = (TextView) findViewById(R.id.widget_dims);
if (dims != null) {
dims.setText(String.format(mDimensionsFormatString, 1, 1));
}
}
public int[] getPreviewSize() {
final ImageView i = (ImageView) findViewById(R.id.widget_preview);
int[] maxSize = new int[2];
maxSize[0] = i.getWidth() - i.getPaddingLeft() - i.getPaddingRight();
maxSize[1] = i.getHeight() - i.getPaddingBottom() - i.getPaddingTop();
return maxSize;
}
void applyPreview(FastBitmapDrawable preview, int index) {
final PagedViewWidgetImageView image =
(PagedViewWidgetImageView) findViewById(R.id.widget_preview);
if (preview != null) {
image.mAllowRequestLayout = false;
image.setImageDrawable(preview);
image.setAlpha(1f);
image.mAllowRequestLayout = true;
}
}
@Override
public boolean onTouchEvent(MotionEvent event) {
// We eat up the touch events here, since the PagedView (which uses the same swiping
// touch code as Workspace previously) uses onInterceptTouchEvent() to determine when
// the user is scrolling between pages. This means that if the pages themselves don't
// handle touch events, it gets forwarded up to PagedView itself, and it's own
// onTouchEvent() handling will prevent further intercept touch events from being called
// (it's the same view in that case). This is not ideal, but to prevent more changes,
// we just always mark the touch event as handled.
return super.onTouchEvent(event) || true;
}
}
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