423 lines
14 KiB
Java
423 lines
14 KiB
Java
/*
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* Copyright (C) 2010 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.email.activity;
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import com.android.email.Email;
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import com.android.email.R;
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import com.android.email.Utility;
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import com.android.email.mail.MeetingInfo;
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import com.android.email.mail.PackedString;
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import com.android.email.provider.EmailContent.Mailbox;
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import com.android.email.provider.EmailContent.Message;
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import com.android.emailcommon.service.EmailServiceConstants;
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import android.app.Activity;
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import android.content.res.Resources;
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import android.graphics.drawable.Drawable;
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import android.os.Bundle;
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import android.util.Log;
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import android.view.LayoutInflater;
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import android.view.Menu;
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import android.view.MenuInflater;
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import android.view.MenuItem;
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import android.view.View;
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import android.view.ViewGroup;
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import android.widget.CheckBox;
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import android.widget.CompoundButton;
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import android.widget.ImageView;
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import java.security.InvalidParameterException;
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/**
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* A {@link MessageViewFragmentBase} subclass for regular email messages. (regular as in "not eml
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* files").
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*
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* See {@link MessageViewBase} for the class relation diagram.
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*/
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public class MessageViewFragment extends MessageViewFragmentBase
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implements CheckBox.OnCheckedChangeListener {
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private ImageView mFavoriteIcon;
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private View mInviteSection;
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private View mReplyButton;
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private View mReplyAllButton;
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private View mForwardButton;
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// calendar meeting invite answers
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private CheckBox mMeetingYes;
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private CheckBox mMeetingMaybe;
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private CheckBox mMeetingNo;
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private int mPreviousMeetingResponse = -1;
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private Drawable mFavoriteIconOn;
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private Drawable mFavoriteIconOff;
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/**
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* ID of the message that will be loaded. Protect with {@link #mLock}.
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*/
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private long mMessageIdToOpen = -1;
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/** Lock object to protect {@link #mMessageIdToOpen} */
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private final Object mLock = new Object();
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/** ID of the currently shown message */
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private long mCurrentMessageId = -1;
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/**
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* This class has more call backs than {@link MessageViewFragmentBase}.
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*
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* - EML files can't be "mark unread".
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* - EML files can't have the invite buttons or the view in calender link.
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* Note EML files can have ICS (calendar invitation) files, but we don't treat them as
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* invites. (Only exchange provider sets the FLAG_INCOMING_MEETING_INVITE
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* flag.)
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* It'd be weird to respond to an invitation in an EML that might not be addressed to you...
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*/
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public interface Callback extends MessageViewFragmentBase.Callback {
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/** Called when the "view in calendar" link is clicked. */
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public void onCalendarLinkClicked(long epochEventStartTime);
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/**
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* Called when a calender response button is clicked.
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*
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* @param response one of {@link EmailServiceConstants#MEETING_REQUEST_ACCEPTED},
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* {@link EmailServiceConstants#MEETING_REQUEST_DECLINED}, or
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* {@link EmailServiceConstants#MEETING_REQUEST_TENTATIVE}.
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*/
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public void onRespondedToInvite(int response);
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/** Called when the current message is set unread. */
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public void onMessageSetUnread();
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/**
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* Called right before the current message will be deleted.
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* Callees don't have to delete messages. The fragment does.
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*/
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public void onBeforeMessageDelete();
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/** Called when the move button is pressed. */
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public void onMoveMessage();
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/** Called when the forward button is pressed. */
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public void onForward();
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/** Called when the reply button is pressed. */
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public void onReply();
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/** Called when the reply-all button is pressed. */
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public void onReplyAll();
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}
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public static final class EmptyCallback extends MessageViewFragmentBase.EmptyCallback
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implements Callback {
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public static final Callback INSTANCE = new EmptyCallback();
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@Override public void onCalendarLinkClicked(long epochEventStartTime) { }
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@Override public void onMessageSetUnread() { }
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@Override public void onRespondedToInvite(int response) { }
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@Override public void onBeforeMessageDelete() { }
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@Override public void onMoveMessage() { }
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@Override public void onForward() { }
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@Override public void onReply() { }
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@Override public void onReplyAll() { }
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}
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private Callback mCallback = EmptyCallback.INSTANCE;
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@Override
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public void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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final Resources res = getActivity().getResources();
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mFavoriteIconOn = res.getDrawable(R.drawable.btn_star_on_normal_email_holo_light);
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mFavoriteIconOff = res.getDrawable(R.drawable.btn_star_off_normal_email_holo_light);
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}
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@Override
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public View onCreateView(
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LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
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final View view = super.onCreateView(inflater, container, savedInstanceState);
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mFavoriteIcon = (ImageView) view.findViewById(R.id.favorite);
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mInviteSection = view.findViewById(R.id.invite_section);
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mReplyButton = view.findViewById(R.id.reply);
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mReplyAllButton = view.findViewById(R.id.reply_all);
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mForwardButton = view.findViewById(R.id.forward);
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mMeetingYes = (CheckBox) view.findViewById(R.id.accept);
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mMeetingMaybe = (CheckBox) view.findViewById(R.id.maybe);
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mMeetingNo = (CheckBox) view.findViewById(R.id.decline);
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// Star is only visible on this fragment (as opposed to MessageFileViewFragment.)
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view.findViewById(R.id.favorite).setVisibility(View.VISIBLE);
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mFavoriteIcon.setOnClickListener(this);
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mReplyButton.setOnClickListener(this);
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mReplyAllButton.setOnClickListener(this);
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mForwardButton.setOnClickListener(this);
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mMeetingYes.setOnCheckedChangeListener(this);
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mMeetingMaybe.setOnCheckedChangeListener(this);
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mMeetingNo.setOnCheckedChangeListener(this);
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view.findViewById(R.id.invite_link).setOnClickListener(this);
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enableReplyForwardButtons(false);
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return view;
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}
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@Override
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public void onResume() {
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super.onResume();
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}
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@Override
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public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
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inflater.inflate(R.menu.message_view_fragment_option, menu);
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}
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private void enableReplyForwardButtons(boolean enabled) {
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// We don't have disabled button assets, so let's hide them for now
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final int visibility = enabled ? View.VISIBLE : View.GONE;
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mReplyButton.setVisibility(visibility);
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mReplyAllButton.setVisibility(visibility);
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mForwardButton.setVisibility(visibility);
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}
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public void setCallback(Callback callback) {
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mCallback = (callback == null) ? EmptyCallback.INSTANCE : callback;
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super.setCallback(mCallback);
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}
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/** Called by activities to set an id of a message to open. */
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public void openMessage(long messageId) {
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if (Email.DEBUG_LIFECYCLE && Email.DEBUG) {
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Log.d(Email.LOG_TAG, "MessageViewFragment openMessage");
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}
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if (messageId == -1) {
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throw new InvalidParameterException();
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}
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synchronized (mLock) {
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mMessageIdToOpen = messageId;
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}
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loadMessageIfResumed();
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}
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@Override
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public void clearContent() {
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synchronized (mLock) {
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super.clearContent();
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mMessageIdToOpen = -1;
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// Hide the menu.
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// This isn't really necessary if we're really hiding the fragment. However,
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// for now, we're actually *not* hiding the fragment (just hiding the root view of it),
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// so need to remove menus manually.
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setHasOptionsMenu(false);
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}
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}
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@Override
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protected void resetView() {
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super.resetView();
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mMeetingYes.setChecked(false);
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mMeetingNo.setChecked(false);
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mMeetingMaybe.setChecked(false);
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}
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@Override
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protected boolean isMessageSpecified() {
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synchronized (mLock) {
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return mMessageIdToOpen != -1;
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}
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}
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/**
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* NOTE See the comment on the super method. It's called on a worker thread.
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*/
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@Override
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protected Message openMessageSync(Activity activity) {
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synchronized (mLock) {
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long messageId = mMessageIdToOpen;
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if (messageId < 0) {
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return null; // Called after clearContent().
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}
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return Message.restoreMessageWithId(activity, messageId);
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}
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}
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@Override
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protected void onMessageShown(long messageId, int mailboxType) {
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super.onMessageShown(messageId, mailboxType);
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// Remember the currently shown message ID.
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mCurrentMessageId = messageId;
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// Disable forward/reply buttons as necessary.
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enableReplyForwardButtons(Mailbox.isMailboxTypeReplyAndForwardable(mailboxType));
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// Show the menu when it's showing a message.
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setHasOptionsMenu(true);
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}
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/**
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* Toggle favorite status and write back to provider
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*/
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private void onClickFavorite() {
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Message message = getMessage();
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// Update UI
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boolean newFavorite = ! message.mFlagFavorite;
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mFavoriteIcon.setImageDrawable(newFavorite ? mFavoriteIconOn : mFavoriteIconOff);
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// Update provider
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message.mFlagFavorite = newFavorite;
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getController().setMessageFavorite(message.mId, newFavorite);
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}
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/**
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* Set message read/unread.
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*/
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public void onMarkMessageAsRead(boolean isRead) {
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Message message = getMessage();
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if (message.mFlagRead != isRead) {
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message.mFlagRead = isRead;
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getController().setMessageRead(message.mId, isRead);
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if (!isRead) { // Became unread. We need to close the message.
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mCallback.onMessageSetUnread();
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}
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}
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}
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/**
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* Send a service message indicating that a meeting invite button has been clicked.
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*/
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private void onRespondToInvite(int response, int toastResId) {
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Message message = getMessage();
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// do not send twice in a row the same response
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if (mPreviousMeetingResponse != response) {
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getController().sendMeetingResponse(message.mId, response);
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mPreviousMeetingResponse = response;
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}
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Utility.showToast(getActivity(), toastResId);
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mCallback.onRespondedToInvite(response);
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}
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private void onInviteLinkClicked() {
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Message message = getMessage();
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String startTime = new PackedString(message.mMeetingInfo).get(MeetingInfo.MEETING_DTSTART);
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if (startTime != null) {
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long epochTimeMillis = Utility.parseEmailDateTimeToMillis(startTime);
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mCallback.onCalendarLinkClicked(epochTimeMillis);
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} else {
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Email.log("meetingInfo without DTSTART " + message.mMeetingInfo);
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}
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}
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@Override
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public void onClick(View view) {
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if (!isMessageOpen()) {
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return; // Ignore.
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}
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switch (view.getId()) {
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case R.id.reply:
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mCallback.onReply();
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return;
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case R.id.reply_all:
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mCallback.onReplyAll();
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return;
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case R.id.forward:
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mCallback.onForward();
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return;
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case R.id.favorite:
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onClickFavorite();
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return;
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case R.id.invite_link:
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onInviteLinkClicked();
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return;
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}
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super.onClick(view);
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}
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@Override
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public void onCheckedChanged(CompoundButton view, boolean isChecked) {
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if (!isChecked) return;
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switch (view.getId()) {
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case R.id.accept:
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onRespondToInvite(EmailServiceConstants.MEETING_REQUEST_ACCEPTED,
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R.string.message_view_invite_toast_yes);
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return;
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case R.id.maybe:
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onRespondToInvite(EmailServiceConstants.MEETING_REQUEST_TENTATIVE,
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R.string.message_view_invite_toast_maybe);
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return;
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case R.id.decline:
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onRespondToInvite(EmailServiceConstants.MEETING_REQUEST_DECLINED,
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R.string.message_view_invite_toast_no);
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return;
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}
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}
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@Override
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public boolean onOptionsItemSelected(MenuItem item) {
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switch (item.getItemId()) {
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case R.id.move:
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onMove();
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return true;
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case R.id.delete:
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onDelete();
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return true;
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case R.id.mark_as_unread:
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onMarkAsUnread();
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return true;
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}
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return super.onOptionsItemSelected(item);
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}
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private void onMove() {
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mCallback.onMoveMessage();
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}
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private void onDelete() {
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mCallback.onBeforeMessageDelete();
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ActivityHelper.deleteMessage(getActivity(), mCurrentMessageId);
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}
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private void onMarkAsUnread() {
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onMarkMessageAsRead(false);
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}
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/**
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* {@inheritDoc}
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*
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* Mark the current as unread.
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*/
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@Override
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protected void onPostLoadBody() {
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onMarkMessageAsRead(true);
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}
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@Override
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protected void updateHeaderView(Message message) {
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super.updateHeaderView(message);
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mFavoriteIcon.setImageDrawable(message.mFlagFavorite ? mFavoriteIconOn : mFavoriteIconOff);
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// Enable the invite tab if necessary
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if ((message.mFlags & Message.FLAG_INCOMING_MEETING_INVITE) != 0) {
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addTabFlags(TAB_FLAGS_HAS_INVITE);
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}
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}
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}
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