| /** |
| * Copyright (C) 2013 Google Inc. |
| * Licensed to 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.print; |
| |
| import android.content.Context; |
| import android.content.res.Resources; |
| import android.text.TextUtils; |
| |
| import com.android.mail.R; |
| import com.android.mail.ui.AbstractHtmlTemplates; |
| import com.android.mail.utils.LogTag; |
| import com.android.mail.utils.LogUtils; |
| |
| /** |
| * Renders data into very simple string-substitution HTML templates for printing conversations. |
| */ |
| public class HtmlPrintTemplates extends AbstractHtmlTemplates { |
| |
| private static final String TAG = LogTag.getLogTag(); |
| |
| private final String mConversationUpper; |
| private final String mMessage; |
| private final String mConversationLower; |
| private final String mConversationLowerNoJs; |
| |
| public HtmlPrintTemplates(Context context) { |
| super(context); |
| |
| mConversationUpper = readTemplate(R.raw.template_print_conversation_upper); |
| mMessage = readTemplate(R.raw.template_print_message); |
| mConversationLower = readTemplate(R.raw.template_print_conversation_lower); |
| mConversationLowerNoJs = readTemplate(R.raw.template_print_conversation_lower_no_js); |
| } |
| |
| /** |
| * Start building the html for a printed conversation. Can only be called once |
| * until {@link #endPrintConversation()} or {@link #endPrintConversationNoJavascript()} |
| * is called. |
| */ |
| public void startPrintConversation(String subject, int numMessages) { |
| if (mInProgress) { |
| throw new IllegalStateException("Should not call startPrintConversation twice"); |
| } |
| |
| reset(); |
| |
| final Resources res = mContext.getResources(); |
| final String numMessageString = res.getQuantityString( |
| R.plurals.num_messages, numMessages, numMessages); |
| |
| final String printedSubject = TextUtils.isEmpty(subject) |
| ? res.getString(R.string.no_subject) : subject; |
| append(mConversationUpper, mContext.getString(R.string.app_name), |
| printedSubject, numMessageString); |
| |
| mInProgress = true; |
| } |
| |
| /** |
| * Add a message to the html for this printed conversation. |
| */ |
| public void appendMessage(String senderName, String senderAddress, String date, |
| String recipients, String bodyHtml, String attachments) { |
| append(mMessage, senderName, senderAddress, date, recipients, bodyHtml, attachments); |
| } |
| |
| /** |
| * Adds the end of the printed conversation to the html. NOTE: this method |
| * includes JavaScript. If you need a version without JavaScript, |
| * use {@link #endPrintConversationNoJavascript()}.<br/><br/> |
| * |
| * One example where we use JavaScript is to hide quoted text. |
| * |
| * @return a {@link String} containing the html for the conversation. |
| */ |
| public String endPrintConversation() { |
| if (!mInProgress) { |
| throw new IllegalStateException("must call startConversation first"); |
| } |
| |
| append(mConversationLower, mContext.getString(R.string.quoted_text_hidden_print)); |
| |
| mInProgress = false; |
| |
| LogUtils.d(TAG, "rendered conversation of %d bytes, buffer capacity=%d", |
| mBuilder.length() << 1, mBuilder.capacity() << 1); |
| |
| return emit(); |
| } |
| |
| /** |
| * Adds the end of the printed conversation to the html. NOTE: this method |
| * does not include any JavaScript. If you need a version with JavaScript, |
| * use {@link #endPrintConversation()}. |
| * @return a {@link String} containing the html for the conversation. |
| */ |
| public String endPrintConversationNoJavascript() { |
| if (!mInProgress) { |
| throw new IllegalStateException("must call startConversation first"); |
| } |
| |
| append(mConversationLowerNoJs); |
| |
| mInProgress = false; |
| |
| LogUtils.d(TAG, "rendered conversation of %d bytes, buffer capacity=%d", |
| mBuilder.length() << 1, mBuilder.capacity() << 1); |
| |
| return emit(); |
| } |
| } |