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/*
* Copyright (C) 2012 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.browse;
import android.app.Activity;
import android.app.AlertDialog;
import android.app.Dialog;
import android.app.DialogFragment;
import android.content.ClipData;
import android.content.ClipboardManager;
import android.content.Context;
import android.content.DialogInterface;
import android.os.Bundle;
import android.util.AttributeSet;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.widget.LinearLayout;
import com.android.mail.R;
import com.android.mail.browse.ConversationViewAdapter.ConversationHeaderItem;
import com.android.mail.providers.Conversation;
import com.android.mail.providers.UIProvider;
import com.android.mail.ui.ConversationUpdater;
import com.android.mail.utils.LogTag;
import com.android.mail.utils.LogUtils;
import com.android.mail.utils.Utils;
/**
* A view for the subject and folders in the conversation view. This container
* makes an attempt to combine subject and folders on the same horizontal line if
* there is enough room to fit both without wrapping. If they overlap, it
* adjusts the layout to position the folders below the subject.
*/
public class ConversationViewHeader extends LinearLayout implements OnClickListener,
View.OnLongClickListener {
public interface ConversationViewHeaderCallbacks {
/**
* Called in response to a click on the folders region.
*/
void onFoldersClicked();
/**
* Called when the height of the {@link ConversationViewHeader} changes.
*
* @param newHeight the new height in px
*/
void onConversationViewHeaderHeightChange(int newHeight);
Activity getActivity();
}
private static final String LOG_TAG = LogTag.getLogTag();
private SubjectAndFolderView mSubjectAndFolderView;
private StarView mStarView;
private ConversationViewHeaderCallbacks mCallbacks;
private ConversationAccountController mAccountController;
private ConversationUpdater mConversationUpdater;
private ConversationHeaderItem mHeaderItem;
private Conversation mConversation;
/**
* Instantiated from this layout: conversation_view_header.xml
* @param context
*/
public ConversationViewHeader(Context context) {
this(context, null);
}
public ConversationViewHeader(Context context, AttributeSet attrs) {
super(context, attrs);
}
@Override
protected void onFinishInflate() {
super.onFinishInflate();
mSubjectAndFolderView =
(SubjectAndFolderView) findViewById(R.id.subject_and_folder_view);
mSubjectAndFolderView.setOnLongClickListener(this);
mStarView = (StarView) findViewById(R.id.conversation_header_star);
mStarView.setOnClickListener(this);
}
public void setCallbacks(ConversationViewHeaderCallbacks callbacks,
ConversationAccountController accountController,
ConversationUpdater conversationUpdater) {
mCallbacks = callbacks;
mAccountController = accountController;
mConversationUpdater = conversationUpdater;
}
public void setSubject(final String subject) {
mSubjectAndFolderView.setSubject(subject);
}
public void setFolders(Conversation conv) {
mSubjectAndFolderView.setFolders(mCallbacks, mAccountController.getAccount(), conv);
}
public void setStarred(boolean isStarred) {
mStarView.setStarred(isStarred);
boolean showStar = mConversation != null && !mConversation.isInTrash();
mStarView.setStarred(isStarred);
mStarView.setVisibility(showStar ? View.VISIBLE : View.INVISIBLE);
}
public void bind(ConversationHeaderItem headerItem) {
mHeaderItem = headerItem;
mConversation = mHeaderItem.mConversation;
if (mSubjectAndFolderView != null) {
mSubjectAndFolderView.bind(headerItem);
}
setStarred(mConversation.starred);
}
private int measureHeight() {
ViewGroup parent = (ViewGroup) getParent();
if (parent == null) {
LogUtils.e(LOG_TAG, "Unable to measure height of conversation header");
return getHeight();
}
final int h = Utils.measureViewHeight(this, parent);
return h;
}
/**
* Update the conversation view header to reflect the updated conversation.
*/
public void onConversationUpdated(Conversation conv) {
// The only things we have to worry about when the conversation changes
// in the conversation header are the folders, priority indicators, and starred state.
// Updating these will resize the space for the header.
mConversation = conv;
setSubject(conv.subject);
setFolders(conv);
setStarred(conv.starred);
if (mHeaderItem != null) {
final int h = measureHeight();
if (mHeaderItem.setHeight(h)) {
mCallbacks.onConversationViewHeaderHeightChange(h);
}
}
}
@Override
public void onClick(View v) {
final int id = v.getId();
if (mConversation != null && id == R.id.conversation_header_star) {
mConversation.starred = !mConversation.starred;
setStarred(mConversation.starred);
mConversationUpdater.updateConversation(Conversation.listOf(mConversation),
UIProvider.ConversationColumns.STARRED, mConversation.starred);
}
}
@Override
public boolean onLongClick(View v) {
final DialogFragment frag =
CopySubjectDialog.newInstance(mSubjectAndFolderView.getSubject());
frag.show(mCallbacks.getActivity().getFragmentManager(), CopySubjectDialog.TAG);
return true;
}
public static class CopySubjectDialog extends DialogFragment
implements DialogInterface.OnClickListener {
public static final String TAG = "copy-subject-dialog";
private static final String ARG_SUBJECT = "subject";
private String mSubject;
public static CopySubjectDialog newInstance(String subject) {
final CopySubjectDialog frag = new CopySubjectDialog();
final Bundle args = new Bundle(1);
args.putString(ARG_SUBJECT, subject);
frag.setArguments(args);
return frag;
}
public CopySubjectDialog() {}
@Override
public Dialog onCreateDialog(Bundle savedInstanceState) {
mSubject = getArguments().getString(ARG_SUBJECT);
return new AlertDialog.Builder(getActivity())
.setMessage(mSubject)
.setPositiveButton(R.string.contextmenu_copy, this)
.setNegativeButton(R.string.cancel, this)
.create();
}
@Override
public void onClick(DialogInterface dialog, int which) {
if (which == DialogInterface.BUTTON_POSITIVE) {
final ClipboardManager clipboard = (ClipboardManager)
getActivity().getSystemService(Context.CLIPBOARD_SERVICE);
clipboard.setPrimaryClip(ClipData.newPlainText(null, mSubject));
}
}
}
}
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