526 lines
18 KiB
Java
526 lines
18 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 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.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.view.accessibility.AccessibilityEvent;
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import android.widget.ImageView;
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import android.widget.PopupMenu;
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import android.widget.PopupMenu.OnMenuItemClickListener;
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import com.android.email.Email;
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import com.android.email.Preferences;
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import com.android.email.R;
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import com.android.emailcommon.mail.MeetingInfo;
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import com.android.emailcommon.mail.PackedString;
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import com.android.emailcommon.provider.Account;
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import com.android.emailcommon.provider.EmailContent.Message;
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import com.android.emailcommon.provider.Mailbox;
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import com.android.emailcommon.service.EmailServiceConstants;
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import com.android.emailcommon.utility.Utility;
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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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public class MessageViewFragment extends MessageViewFragmentBase
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implements MoveMessageToDialog.Callback, OnMenuItemClickListener {
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/** Argument name(s) */
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private static final String ARG_MESSAGE_ID = "messageId";
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private ImageView mFavoriteIcon;
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private View mReplyButton;
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private View mReplyAllButton;
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/* Nullable - not available on phone portrait. */
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private View mForwardButton;
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private View mMoreButton;
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// calendar meeting invite answers
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private View mMeetingYes;
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private View mMeetingMaybe;
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private View mMeetingNo;
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private Drawable mFavoriteIconOn;
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private Drawable mFavoriteIconOff;
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/** Default to ReplyAll if true. Otherwise Reply. */
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boolean mDefaultReplyAll;
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/** Whether or not to enable Reply/ReplyAll and Forward buttons */
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boolean mEnableReplyForwardButtons;
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/** Whether or not the message can be moved from the mailbox it's in. */
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private boolean mSupportsMove;
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private int mPreviousMeetingResponse = EmailServiceConstants.MEETING_REQUEST_NOT_RESPONDED;
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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 or moved to another mailbox.
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*
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* Callees will usually close the fragment.
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*/
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public void onBeforeMessageGone();
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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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@SuppressWarnings("hiding")
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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 onBeforeMessageGone() { }
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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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/**
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* Create a new instance with initialization parameters.
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*
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* This fragment should be created only with this method. (Arguments should always be set.)
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*
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* @param messageId ID of the message to open
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*/
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public static MessageViewFragment newInstance(long messageId) {
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if (messageId == Message.NO_MESSAGE) {
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throw new IllegalArgumentException();
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}
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final MessageViewFragment instance = new MessageViewFragment();
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final Bundle args = new Bundle();
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args.putLong(ARG_MESSAGE_ID, messageId);
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instance.setArguments(args);
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return instance;
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}
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/**
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* We will display the message for this ID. This must never be a special message ID such as
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* {@link Message#NO_MESSAGE}. Do NOT use directly; instead, use {@link #getMessageId()}.
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* <p><em>NOTE:</em> Although we cannot force these to be immutable using Java language
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* constructs, this <em>must</em> be considered immutable.
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*/
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private Long mImmutableMessageId;
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private void initializeArgCache() {
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if (mImmutableMessageId != null) return;
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mImmutableMessageId = getArguments().getLong(ARG_MESSAGE_ID);
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}
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/**
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* @return the message ID passed to {@link #newInstance}. Safe to call even before onCreate.
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*/
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public long getMessageId() {
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initializeArgCache();
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return mImmutableMessageId;
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}
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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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setHasOptionsMenu(true);
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final Resources res = getActivity().getResources();
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mFavoriteIconOn = res.getDrawable(R.drawable.btn_star_on_convo_holo_light);
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mFavoriteIconOff = res.getDrawable(R.drawable.btn_star_off_convo_holo_light);
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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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if (mMoreButton != null) {
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mDefaultReplyAll = Preferences.getSharedPreferences(mContext).getBoolean(
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Preferences.REPLY_ALL, Preferences.REPLY_ALL_DEFAULT);
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int replyVisibility = View.GONE;
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int replyAllVisibility = View.GONE;
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if (mEnableReplyForwardButtons) {
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replyVisibility = mDefaultReplyAll ? View.GONE : View.VISIBLE;
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replyAllVisibility = mDefaultReplyAll ? View.VISIBLE : View.GONE;
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}
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mReplyButton.setVisibility(replyVisibility);
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mReplyAllButton.setVisibility(replyAllVisibility);
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}
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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) UiUtilities.getView(view, R.id.favorite);
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mReplyButton = UiUtilities.getView(view, R.id.reply);
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mReplyAllButton = UiUtilities.getView(view, R.id.reply_all);
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mForwardButton = UiUtilities.getViewOrNull(view, R.id.forward);
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mMeetingYes = UiUtilities.getView(view, R.id.accept);
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mMeetingMaybe = UiUtilities.getView(view, R.id.maybe);
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mMeetingNo = UiUtilities.getView(view, R.id.decline);
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mMoreButton = UiUtilities.getViewOrNull(view, R.id.more);
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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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if (mMoreButton != null) {
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mMoreButton.setOnClickListener(this);
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}
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if (mForwardButton != null) {
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mForwardButton.setOnClickListener(this);
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}
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mMeetingYes.setOnClickListener(this);
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mMeetingMaybe.setOnClickListener(this);
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mMeetingNo.setOnClickListener(this);
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UiUtilities.getView(view, 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 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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@Override
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public void onPrepareOptionsMenu(Menu menu) {
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menu.findItem(R.id.move).setVisible(mSupportsMove);
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}
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private void enableReplyForwardButtons(boolean enabled) {
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mEnableReplyForwardButtons = 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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// Modify Reply All button only if there's no overflow OR there is
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// overflow but default is to show the Reply All button
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if (mMoreButton == null || mDefaultReplyAll) {
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UiUtilities.setVisibilitySafe(mReplyAllButton, visibility);
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}
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// Modify Reply button only if there's no overflow OR there is
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// overflow but default is to show the Reply button
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if (mMoreButton == null || !mDefaultReplyAll) {
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UiUtilities.setVisibilitySafe(mReplyButton, visibility);
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}
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if (mForwardButton != null) {
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mForwardButton.setVisibility(visibility);
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}
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if (mMoreButton != null) {
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mMoreButton.setVisibility(visibility);
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}
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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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@Override
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protected void resetView() {
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super.resetView();
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mPreviousMeetingResponse = EmailServiceConstants.MEETING_REQUEST_NOT_RESPONDED;
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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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return Message.restoreMessageWithId(activity, getMessageId());
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}
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@Override
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protected void onMessageShown(long messageId, Mailbox mailbox) {
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super.onMessageShown(messageId, mailbox);
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Account account = Account.restoreAccountWithId(mContext, getAccountId());
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boolean supportsMove = account.supportsMoveMessages(mContext)
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&& mailbox.canHaveMessagesMoved();
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if (mSupportsMove != supportsMove) {
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mSupportsMove = supportsMove;
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Activity host = getActivity();
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if (host != null) {
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host.invalidateOptionsMenu();
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}
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}
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// Disable forward/reply buttons as necessary.
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enableReplyForwardButtons(Mailbox.isMailboxTypeReplyAndForwardable(mailbox.mType));
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}
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/**
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* Sets the content description for the star icon based on whether it's currently starred.
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*/
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private void setStarContentDescription(boolean isFavorite) {
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if (isFavorite) {
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mFavoriteIcon.setContentDescription(
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mContext.getResources().getString(R.string.remove_star_action));
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} else {
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mFavoriteIcon.setContentDescription(
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mContext.getResources().getString(R.string.set_star_action));
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}
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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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if (!isMessageOpen()) return;
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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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// Handle accessibility event
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setStarContentDescription(newFavorite);
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mFavoriteIcon.sendAccessibilityEvent(AccessibilityEvent.TYPE_VIEW_FOCUSED);
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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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if (!isMessageOpen()) return;
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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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if (!isMessageOpen()) return;
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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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if (!isMessageOpen()) return;
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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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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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case R.id.more: {
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PopupMenu popup = new PopupMenu(getActivity(), mMoreButton);
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Menu menu = popup.getMenu();
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popup.getMenuInflater().inflate(R.menu.message_header_overflow_menu,
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menu);
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// Remove Reply if ReplyAll icon is visible or vice versa
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menu.removeItem(mDefaultReplyAll ? R.id.reply_all : R.id.reply);
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popup.setOnMenuItemClickListener(this);
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popup.show();
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break;
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}
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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 boolean onMenuItemClick(MenuItem item) {
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if (isMessageOpen()) {
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switch (item.getItemId()) {
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case R.id.reply:
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mCallback.onReply();
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return true;
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case R.id.reply_all:
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mCallback.onReplyAll();
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return true;
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case R.id.forward:
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mCallback.onForward();
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return true;
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}
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}
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return false;
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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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MoveMessageToDialog dialog = MoveMessageToDialog.newInstance(new long[] {getMessageId()},
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this);
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dialog.show(getFragmentManager(), "dialog");
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}
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// MoveMessageToDialog$Callback
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@Override
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public void onMoveToMailboxSelected(long newMailboxId, long[] messageIds) {
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mCallback.onBeforeMessageGone();
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ActivityHelper.moveMessages(mContext, newMailboxId, messageIds);
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}
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private void onDelete() {
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mCallback.onBeforeMessageGone();
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ActivityHelper.deleteMessage(mContext, getMessageId());
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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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// Initialize star content description for accessibility
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Message message = getMessage();
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setStarContentDescription(message.mFlagFavorite);
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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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