/* * Copyright (C) 2012 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.mail.widget; import android.content.Context; import android.content.res.Resources; import android.graphics.Bitmap; import android.graphics.BitmapFactory; import android.graphics.Typeface; import android.text.Spannable; import android.text.SpannableStringBuilder; import android.text.style.AbsoluteSizeSpan; import android.text.style.CharacterStyle; import android.text.style.ForegroundColorSpan; import android.text.style.StyleSpan; import android.view.View; import android.widget.RemoteViews; import com.android.mail.R; import com.android.mail.providers.Conversation; import com.android.mail.providers.Folder; import com.android.mail.ui.FolderDisplayer; import com.android.mail.utils.FolderUri; public class WidgetConversationListItemViewBuilder { // Static colors private static int SUBJECT_TEXT_COLOR_READ; private static int SUBJECT_TEXT_COLOR_UNREAD; private static int SNIPPET_TEXT_COLOR; private static int DATE_TEXT_COLOR_READ; private static int DATE_TEXT_COLOR_UNREAD; // Static bitmap private static Bitmap ATTACHMENT; private WidgetFolderDisplayer mFolderDisplayer; /** * Label Displayer for Widget */ protected static class WidgetFolderDisplayer extends FolderDisplayer { public WidgetFolderDisplayer(Context context) { super(context); } // Maximum number of folders we want to display private static final int MAX_DISPLAYED_FOLDERS_COUNT = 3; /* * Load Conversation Labels */ @Override public void loadConversationFolders(Conversation conv, final FolderUri ignoreFolderUri, final int ignoreFolderType) { super.loadConversationFolders(conv, ignoreFolderUri, ignoreFolderType); } private static int getFolderViewId(int position) { switch (position) { case 0: return R.id.widget_folder_0; case 1: return R.id.widget_folder_1; case 2: return R.id.widget_folder_2; } return 0; } /** * Display folders */ public void displayFolders(RemoteViews remoteViews) { int displayedFolder = 0; for (Folder folderValues : mFoldersSortedSet) { int viewId = getFolderViewId(displayedFolder); if (viewId == 0) { continue; } remoteViews.setViewVisibility(viewId, View.VISIBLE); int color[] = new int[] {folderValues.getBackgroundColor(mFolderDrawableResources.defaultBgColor)}; Bitmap bitmap = Bitmap.createBitmap(color, 1, 1, Bitmap.Config.RGB_565); remoteViews.setImageViewBitmap(viewId, bitmap); if (++displayedFolder == MAX_DISPLAYED_FOLDERS_COUNT) { break; } } for (int i = displayedFolder; i < MAX_DISPLAYED_FOLDERS_COUNT; i++) { remoteViews.setViewVisibility(getFolderViewId(i), View.GONE); } } } /* * Get font sizes and bitmaps from Resources */ public WidgetConversationListItemViewBuilder(Context context) { final Resources res = context.getResources(); // Initialize colors SUBJECT_TEXT_COLOR_READ = res.getColor(R.color.subject_text_color_read); SUBJECT_TEXT_COLOR_UNREAD = res.getColor(R.color.subject_text_color_unread); SNIPPET_TEXT_COLOR = res.getColor(R.color.snippet_text_color); DATE_TEXT_COLOR_READ = res.getColor(R.color.date_text_color_read); DATE_TEXT_COLOR_UNREAD = res.getColor(R.color.date_text_color_unread); // Initialize Bitmap ATTACHMENT = BitmapFactory.decodeResource(res, R.drawable.ic_attach_file_18dp); } /* * Add size, color and style to a given text */ private static SpannableStringBuilder addStyle(CharSequence text, int size, int color) { final SpannableStringBuilder builder = new SpannableStringBuilder(text); builder.setSpan( new AbsoluteSizeSpan(size), 0, text.length(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); if (color != 0) { builder.setSpan(new ForegroundColorSpan(color), 0, text.length(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); } return builder; } /* * Return the full View */ public RemoteViews getStyledView(final Context context, final CharSequence date, final Conversation conversation, final FolderUri folderUri, final int ignoreFolderType, final SpannableStringBuilder senders, String subject) { final boolean isUnread = !conversation.read; final String snippet = conversation.getSnippet(); final boolean hasAttachments = conversation.hasAttachments; final Resources res = context.getResources(); final int dateFontSize = res.getDimensionPixelSize(R.dimen.widget_date_font_size); final int subjectFontSize = res.getDimensionPixelSize(R.dimen.widget_subject_font_size); // Add style to date final int dateColor = isUnread ? DATE_TEXT_COLOR_UNREAD : DATE_TEXT_COLOR_READ; final SpannableStringBuilder dateBuilder = addStyle(date, dateFontSize, dateColor); if (isUnread) { dateBuilder.setSpan(new StyleSpan(Typeface.BOLD), 0, date.length(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); } subject = Conversation.getSubjectForDisplay(context, null /* badgeText */, subject); final SpannableStringBuilder subjectBuilder = new SpannableStringBuilder(subject); if (isUnread) { subjectBuilder.setSpan(new StyleSpan(Typeface.BOLD), 0, subject.length(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); } final int subjectColor = isUnread ? SUBJECT_TEXT_COLOR_UNREAD : SUBJECT_TEXT_COLOR_READ; final CharacterStyle subjectStyle = new ForegroundColorSpan(subjectColor); subjectBuilder.setSpan(subjectStyle, 0, subjectBuilder.length(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); final CharSequence styledSubject = addStyle(subjectBuilder, subjectFontSize, 0); final SpannableStringBuilder snippetBuilder = new SpannableStringBuilder(snippet); snippetBuilder.setSpan(new ForegroundColorSpan(SNIPPET_TEXT_COLOR), 0, snippetBuilder.length(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); final CharSequence styledSnippet = addStyle(snippetBuilder, subjectFontSize, 0); // Paper clip for attachment Bitmap paperclipBitmap = null; if (hasAttachments) { paperclipBitmap = ATTACHMENT; } // Inflate and fill out the remote view final RemoteViews remoteViews = new RemoteViews( context.getPackageName(), R.layout.widget_conversation_list_item); remoteViews.setTextViewText(R.id.widget_senders, senders); remoteViews.setTextViewText(R.id.widget_date, dateBuilder); remoteViews.setTextViewText(R.id.widget_subject, styledSubject); remoteViews.setTextViewText(R.id.widget_snippet, styledSnippet); if (paperclipBitmap != null) { remoteViews.setViewVisibility(R.id.widget_attachment, View.VISIBLE); remoteViews.setImageViewBitmap(R.id.widget_attachment, paperclipBitmap); } else { remoteViews.setViewVisibility(R.id.widget_attachment, View.GONE); } if (isUnread) { remoteViews.setViewVisibility(R.id.widget_unread_background, View.VISIBLE); remoteViews.setViewVisibility(R.id.widget_read_background, View.GONE); } else { remoteViews.setViewVisibility(R.id.widget_unread_background, View.GONE); remoteViews.setViewVisibility(R.id.widget_read_background, View.VISIBLE); } if (context.getResources().getBoolean(R.bool.display_folder_colors_in_widget)) { mFolderDisplayer = new WidgetFolderDisplayer(context); mFolderDisplayer.loadConversationFolders(conversation, folderUri, ignoreFolderType); mFolderDisplayer.displayFolders(remoteViews); } return remoteViews; } }