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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.gallery3d.ui;
import android.content.Context;
import com.android.gallery3d.R;
import com.android.gallery3d.app.AbstractGalleryActivity;
import com.android.gallery3d.data.DataSourceType;
import com.android.gallery3d.data.MediaSet;
import com.android.gallery3d.data.Path;
import com.android.gallery3d.glrenderer.GLCanvas;
import com.android.gallery3d.glrenderer.ResourceTexture;
import com.android.gallery3d.glrenderer.StringTexture;
import com.android.gallery3d.ui.AlbumSetSlidingWindow.AlbumSetEntry;
public class ManageCacheDrawer extends AlbumSetSlotRenderer {
private final ResourceTexture mCheckedItem;
private final ResourceTexture mUnCheckedItem;
private final SelectionManager mSelectionManager;
private final ResourceTexture mLocalAlbumIcon;
private final StringTexture mCachingText;
private final int mCachePinSize;
private final int mCachePinMargin;
public ManageCacheDrawer(AbstractGalleryActivity activity, SelectionManager selectionManager,
SlotView slotView, LabelSpec labelSpec, int cachePinSize, int cachePinMargin) {
super(activity, selectionManager, slotView, labelSpec,
activity.getResources().getColor(R.color.cache_placeholder));
Context context = activity;
mCheckedItem = new ResourceTexture(
context, R.drawable.btn_make_offline_normal_on_holo_dark);
mUnCheckedItem = new ResourceTexture(
context, R.drawable.btn_make_offline_normal_off_holo_dark);
mLocalAlbumIcon = new ResourceTexture(
context, R.drawable.btn_make_offline_disabled_on_holo_dark);
String cachingLabel = context.getString(R.string.caching_label);
mCachingText = StringTexture.newInstance(cachingLabel, 12, 0xffffffff);
mSelectionManager = selectionManager;
mCachePinSize = cachePinSize;
mCachePinMargin = cachePinMargin;
}
private static boolean isLocal(int dataSourceType) {
return dataSourceType != DataSourceType.TYPE_PICASA;
}
@Override
public int renderSlot(GLCanvas canvas, int index, int pass, int width, int height) {
AlbumSetEntry entry = mDataWindow.get(index);
boolean wantCache = entry.cacheFlag == MediaSet.CACHE_FLAG_FULL;
boolean isCaching = wantCache && (
entry.cacheStatus != MediaSet.CACHE_STATUS_CACHED_FULL);
boolean selected = mSelectionManager.isItemSelected(entry.setPath);
boolean chooseToCache = wantCache ^ selected;
boolean available = isLocal(entry.sourceType) || chooseToCache;
int renderRequestFlags = 0;
if (!available) {
canvas.save(GLCanvas.SAVE_FLAG_ALPHA);
canvas.multiplyAlpha(0.6f);
}
renderRequestFlags |= renderContent(canvas, entry, width, height);
if (!available) canvas.restore();
renderRequestFlags |= renderLabel(canvas, entry, width, height);
drawCachingPin(canvas, entry.setPath,
entry.sourceType, isCaching, chooseToCache, width, height);
renderRequestFlags |= renderOverlay(canvas, index, entry, width, height);
return renderRequestFlags;
}
private void drawCachingPin(GLCanvas canvas, Path path, int dataSourceType,
boolean isCaching, boolean chooseToCache, int width, int height) {
ResourceTexture icon;
if (isLocal(dataSourceType)) {
icon = mLocalAlbumIcon;
} else if (chooseToCache) {
icon = mCheckedItem;
} else {
icon = mUnCheckedItem;
}
// show the icon in right bottom
int s = mCachePinSize;
int m = mCachePinMargin;
icon.draw(canvas, width - m - s, height - s, s, s);
if (isCaching) {
int w = mCachingText.getWidth();
int h = mCachingText.getHeight();
// Show the caching text in bottom center
mCachingText.draw(canvas, (width - w) / 2, height - h);
}
}
}
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