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Diffstat (limited to 'src/com/android/messaging/widget/BaseWidgetFactory.java')
| -rw-r--r-- | src/com/android/messaging/widget/BaseWidgetFactory.java | 232 |
1 files changed, 0 insertions, 232 deletions
diff --git a/src/com/android/messaging/widget/BaseWidgetFactory.java b/src/com/android/messaging/widget/BaseWidgetFactory.java deleted file mode 100644 index 30b80ae..0000000 --- a/src/com/android/messaging/widget/BaseWidgetFactory.java +++ /dev/null @@ -1,232 +0,0 @@ -/* - * Copyright (C) 2015 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.messaging.widget; - -import android.appwidget.AppWidgetManager; -import android.content.Context; -import android.content.Intent; -import android.database.Cursor; -import android.graphics.Bitmap; -import android.graphics.Typeface; -import android.net.Uri; -import android.os.Binder; -import android.text.Spannable; -import android.text.SpannableStringBuilder; -import android.text.style.StyleSpan; -import android.widget.RemoteViews; -import android.widget.RemoteViewsService; - -import com.android.messaging.R; -import com.android.messaging.datamodel.media.AvatarGroupRequestDescriptor; -import com.android.messaging.datamodel.media.AvatarRequestDescriptor; -import com.android.messaging.datamodel.media.ImageRequestDescriptor; -import com.android.messaging.datamodel.media.ImageResource; -import com.android.messaging.datamodel.media.MediaRequest; -import com.android.messaging.datamodel.media.MediaResourceManager; -import com.android.messaging.util.AvatarUriUtil; -import com.android.messaging.util.LogUtil; - -/** - * Remote Views Factory for Bugle Widget. - */ -abstract class BaseWidgetFactory implements RemoteViewsService.RemoteViewsFactory { - protected static final String TAG = LogUtil.BUGLE_WIDGET_TAG; - - protected static final int MAX_ITEMS_TO_SHOW = 25; - - /** - * Lock to avoid race condition between widgets. - */ - protected static final Object sWidgetLock = new Object(); - - protected final Context mContext; - protected final int mAppWidgetId; - protected boolean mShouldShowViewMore; - protected Cursor mCursor; - protected final AppWidgetManager mAppWidgetManager; - protected int mIconSize; - protected ImageResource mAvatarResource; - - public BaseWidgetFactory(Context context, Intent intent) { - mContext = context; - mAppWidgetId = intent.getIntExtra( - AppWidgetManager.EXTRA_APPWIDGET_ID, AppWidgetManager.INVALID_APPWIDGET_ID); - mAppWidgetManager = AppWidgetManager.getInstance(context); - if (LogUtil.isLoggable(TAG, LogUtil.VERBOSE)) { - LogUtil.v(TAG, "BaseWidgetFactory intent: " + intent + "widget id: " + mAppWidgetId); - } - mIconSize = (int) context.getResources() - .getDimension(R.dimen.contact_icon_view_normal_size); - - } - - @Override - public void onCreate() { - if (LogUtil.isLoggable(TAG, LogUtil.VERBOSE)) { - LogUtil.v(TAG, "onCreate"); - } - } - - @Override - public void onDestroy() { - if (LogUtil.isLoggable(TAG, LogUtil.VERBOSE)) { - LogUtil.v(TAG, "onDestroy"); - } - synchronized (sWidgetLock) { - if (mCursor != null && !mCursor.isClosed()) { - mCursor.close(); - mCursor = null; - } - } - } - - @Override - public void onDataSetChanged() { - if (LogUtil.isLoggable(TAG, LogUtil.VERBOSE)) { - LogUtil.v(TAG, "onDataSetChanged"); - } - synchronized (sWidgetLock) { - if (mCursor != null) { - mCursor.close(); - mCursor = null; - } - final long token = Binder.clearCallingIdentity(); - try { - mCursor = doQuery(); - onLoadComplete(); - } finally { - Binder.restoreCallingIdentity(token); - } - } - } - - protected abstract Cursor doQuery(); - - /** - * Returns the number of items that should be shown in the widget list. This method also - * updates the boolean that indicates whether the "show more" item should be shown. - * @return the number of items to be displayed in the list. - */ - @Override - public int getCount() { - synchronized (sWidgetLock) { - if (mCursor == null) { - if (LogUtil.isLoggable(TAG, LogUtil.VERBOSE)) { - LogUtil.v(TAG, "getCount: 0"); - } - return 0; - } - final int count = getItemCount(); - if (LogUtil.isLoggable(TAG, LogUtil.VERBOSE)) { - LogUtil.v(TAG, "getCount: " + count); - } - mShouldShowViewMore = count < mCursor.getCount(); - return count + (mShouldShowViewMore ? 1 : 0); - } - } - - /** - * Returns the number of messages that should be shown in the widget. This method - * doesn't update the boolean that indicates whether the "show more" item should be included - * in the list. - * @return - */ - protected int getItemCount() { - if (LogUtil.isLoggable(TAG, LogUtil.VERBOSE)) { - LogUtil.v(TAG, "getItemCount: " + mCursor.getCount()); - } - return Math.min(mCursor.getCount(), MAX_ITEMS_TO_SHOW); - } - - /* - * Make the given text bold if the item is unread - */ - protected CharSequence boldifyIfUnread(CharSequence text, final boolean unread) { - if (!unread) { - return text; - } - final SpannableStringBuilder builder = new SpannableStringBuilder(text); - builder.setSpan(new StyleSpan(Typeface.BOLD), 0, text.length(), - Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); - return builder; - } - - protected Bitmap getAvatarBitmap(final Uri avatarUri) { - final String avatarType = avatarUri == null ? - null : AvatarUriUtil.getAvatarType(avatarUri); - ImageRequestDescriptor descriptor; - if (AvatarUriUtil.TYPE_GROUP_URI.equals(avatarType)) { - descriptor = new AvatarGroupRequestDescriptor(avatarUri, mIconSize, mIconSize); - } else { - descriptor = new AvatarRequestDescriptor(avatarUri, mIconSize, mIconSize); - } - - final MediaRequest<ImageResource> imageRequest = - descriptor.buildSyncMediaRequest(mContext); - final ImageResource imageResource = - MediaResourceManager.get().requestMediaResourceSync(imageRequest); - if (imageResource != null) { - setAvatarResource(imageResource); - return mAvatarResource.getBitmap(); - } else { - releaseAvatarResource(); - return null; - } - } - - /** - * @return the "View more messages" view. When the user taps this item, they're - * taken to the conversation in Bugle. - */ - abstract protected RemoteViews getViewMoreItemsView(); - - @Override - public boolean hasStableIds() { - return true; - } - - @Override - public long getItemId(int position) { - return position; - } - - private void onLoadComplete() { - if (LogUtil.isLoggable(TAG, LogUtil.VERBOSE)) { - LogUtil.v(TAG, "onLoadComplete"); - } - final RemoteViews remoteViews = new RemoteViews(mContext.getPackageName(), - getMainLayoutId()); - mAppWidgetManager.partiallyUpdateAppWidget(mAppWidgetId, remoteViews); - } - - protected abstract int getMainLayoutId(); - - private void setAvatarResource(final ImageResource resource) { - if (mAvatarResource != resource) { - // Clear out any information for what is currently used - releaseAvatarResource(); - mAvatarResource = resource; - } - } - - private void releaseAvatarResource() { - if (mAvatarResource != null) { - mAvatarResource.release(); - } - mAvatarResource = null; - } -} |