| /* |
| |
| * Copyright (C) 2011 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.ex.chips; |
| |
| import android.annotation.TargetApi; |
| import android.app.Dialog; |
| import android.content.ClipData; |
| import android.content.ClipDescription; |
| import android.content.ClipboardManager; |
| import android.content.Context; |
| import android.content.DialogInterface; |
| import android.content.DialogInterface.OnDismissListener; |
| import android.content.res.Resources; |
| import android.content.res.TypedArray; |
| import android.graphics.Bitmap; |
| import android.graphics.BitmapFactory; |
| import android.graphics.BitmapShader; |
| import android.graphics.Canvas; |
| import android.graphics.Color; |
| import android.graphics.Matrix; |
| import android.graphics.Paint; |
| import android.graphics.Paint.Style; |
| import android.graphics.Point; |
| import android.graphics.Rect; |
| import android.graphics.RectF; |
| import android.graphics.Shader.TileMode; |
| import android.graphics.drawable.BitmapDrawable; |
| import android.graphics.drawable.Drawable; |
| import android.graphics.drawable.StateListDrawable; |
| import android.os.AsyncTask; |
| import android.os.Build; |
| import android.os.Handler; |
| import android.os.Looper; |
| import android.os.Message; |
| import android.os.Parcelable; |
| import android.support.annotation.NonNull; |
| import android.text.Editable; |
| import android.text.InputType; |
| import android.text.Layout; |
| import android.text.Spannable; |
| import android.text.SpannableString; |
| import android.text.SpannableStringBuilder; |
| import android.text.Spanned; |
| import android.text.TextPaint; |
| import android.text.TextUtils; |
| import android.text.TextWatcher; |
| import android.text.method.QwertyKeyListener; |
| import android.text.util.Rfc822Token; |
| import android.text.util.Rfc822Tokenizer; |
| import android.util.AttributeSet; |
| import android.util.Log; |
| import android.view.ActionMode; |
| import android.view.ActionMode.Callback; |
| import android.view.DragEvent; |
| import android.view.GestureDetector; |
| import android.view.KeyEvent; |
| import android.view.LayoutInflater; |
| import android.view.Menu; |
| import android.view.MenuItem; |
| import android.view.MotionEvent; |
| import android.view.View; |
| import android.view.View.OnClickListener; |
| import android.view.ViewParent; |
| import android.view.accessibility.AccessibilityEvent; |
| import android.view.accessibility.AccessibilityManager; |
| import android.view.inputmethod.EditorInfo; |
| import android.view.inputmethod.InputConnection; |
| import android.widget.AdapterView; |
| import android.widget.AdapterView.OnItemClickListener; |
| import android.widget.Button; |
| import android.widget.Filterable; |
| import android.widget.ListAdapter; |
| import android.widget.ListPopupWindow; |
| import android.widget.ListView; |
| import android.widget.MultiAutoCompleteTextView; |
| import android.widget.PopupWindow; |
| import android.widget.ScrollView; |
| import android.widget.TextView; |
| |
| import com.android.ex.chips.RecipientAlternatesAdapter.RecipientMatchCallback; |
| import com.android.ex.chips.recipientchip.DrawableRecipientChip; |
| import com.android.ex.chips.recipientchip.InvisibleRecipientChip; |
| import com.android.ex.chips.recipientchip.ReplacementDrawableSpan; |
| import com.android.ex.chips.recipientchip.VisibleRecipientChip; |
| |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.Collections; |
| import java.util.Comparator; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Set; |
| import java.util.regex.Matcher; |
| import java.util.regex.Pattern; |
| |
| /** |
| * RecipientEditTextView is an auto complete text view for use with applications |
| * that use the new Chips UI for addressing a message to recipients. |
| */ |
| public class RecipientEditTextView extends MultiAutoCompleteTextView implements |
| OnItemClickListener, Callback, RecipientAlternatesAdapter.OnCheckedItemChangedListener, |
| GestureDetector.OnGestureListener, OnDismissListener, OnClickListener, |
| TextView.OnEditorActionListener, DropdownChipLayouter.ChipDeleteListener { |
| private static final String TAG = "RecipientEditTextView"; |
| |
| private static final char COMMIT_CHAR_COMMA = ','; |
| private static final char COMMIT_CHAR_SEMICOLON = ';'; |
| private static final char COMMIT_CHAR_SPACE = ' '; |
| private static final String SEPARATOR = String.valueOf(COMMIT_CHAR_COMMA) |
| + String.valueOf(COMMIT_CHAR_SPACE); |
| |
| // This pattern comes from android.util.Patterns. It has been tweaked to handle a "1" before |
| // parens, so numbers such as "1 (425) 222-2342" match. |
| private static final Pattern PHONE_PATTERN |
| = Pattern.compile( // sdd = space, dot, or dash |
| "(\\+[0-9]+[\\- \\.]*)?" // +<digits><sdd>* |
| + "(1?[ ]*\\([0-9]+\\)[\\- \\.]*)?" // 1(<digits>)<sdd>* |
| + "([0-9][0-9\\- \\.][0-9\\- \\.]+[0-9])"); // <digit><digit|sdd>+<digit> |
| |
| private static final int DISMISS = "dismiss".hashCode(); |
| private static final long DISMISS_DELAY = 300; |
| |
| // TODO: get correct number/ algorithm from with UX. |
| // Visible for testing. |
| /*package*/ static final int CHIP_LIMIT = 2; |
| |
| private static final int MAX_CHIPS_PARSED = 50; |
| |
| private int mSelectedChipTextColor; |
| private int mUnselectedChipTextColor; |
| private int mSelectedChipBackgroundColor; |
| private int mUnselectedChipBackgroundColor; |
| |
| // Work variables to avoid re-allocation on every typed character. |
| private final Rect mRect = new Rect(); |
| private final int[] mCoords = new int[2]; |
| |
| // Resources for displaying chips. |
| private Drawable mChipBackground = null; |
| private Drawable mChipDelete = null; |
| private Drawable mInvalidChipBackground; |
| |
| // Possible attr overrides |
| private float mChipHeight; |
| private float mChipFontSize; |
| private float mLineSpacingExtra; |
| private int mChipTextStartPadding; |
| private int mChipTextEndPadding; |
| private final int mTextHeight; |
| private boolean mDisableDelete; |
| private int mMaxLines; |
| |
| /** |
| * Enumerator for avatar position. See attr.xml for more details. |
| * 0 for end, 1 for start. |
| */ |
| private int mAvatarPosition; |
| private static final int AVATAR_POSITION_END = 0; |
| private static final int AVATAR_POSITION_START = 1; |
| |
| private Paint mWorkPaint = new Paint(); |
| |
| private Tokenizer mTokenizer; |
| private Validator mValidator; |
| private Handler mHandler; |
| private TextWatcher mTextWatcher; |
| private DropdownChipLayouter mDropdownChipLayouter; |
| |
| private View mDropdownAnchor = this; |
| private ListPopupWindow mAlternatesPopup; |
| private ListPopupWindow mAddressPopup; |
| private View mAlternatePopupAnchor; |
| private OnItemClickListener mAlternatesListener; |
| |
| private DrawableRecipientChip mSelectedChip; |
| private Bitmap mDefaultContactPhoto; |
| private ReplacementDrawableSpan mMoreChip; |
| private TextView mMoreItem; |
| |
| private boolean mIsAccessibilityOn; |
| private int mCurrentSuggestionCount; |
| |
| // VisibleForTesting |
| final ArrayList<String> mPendingChips = new ArrayList<String>(); |
| |
| private int mPendingChipsCount = 0; |
| private int mCheckedItem; |
| private boolean mNoChips = false; |
| private boolean mShouldShrink = true; |
| private boolean mRequiresShrinkWhenNotGone = false; |
| |
| // VisibleForTesting |
| ArrayList<DrawableRecipientChip> mTemporaryRecipients; |
| |
| private ArrayList<DrawableRecipientChip> mRemovedSpans; |
| |
| // Chip copy fields. |
| private GestureDetector mGestureDetector; |
| private Dialog mCopyDialog; |
| private String mCopyAddress; |
| |
| // Obtain the enclosing scroll view, if it exists, so that the view can be |
| // scrolled to show the last line of chips content. |
| private ScrollView mScrollView; |
| private boolean mTriedGettingScrollView; |
| private boolean mDragEnabled = false; |
| |
| private boolean mAttachedToWindow; |
| |
| private final Runnable mAddTextWatcher = new Runnable() { |
| @Override |
| public void run() { |
| if (mTextWatcher == null) { |
| mTextWatcher = new RecipientTextWatcher(); |
| addTextChangedListener(mTextWatcher); |
| } |
| } |
| }; |
| |
| private IndividualReplacementTask mIndividualReplacements; |
| |
| private Runnable mHandlePendingChips = new Runnable() { |
| |
| @Override |
| public void run() { |
| handlePendingChips(); |
| } |
| |
| }; |
| |
| private Runnable mDelayedShrink = new Runnable() { |
| |
| @Override |
| public void run() { |
| shrink(); |
| } |
| |
| }; |
| |
| private RecipientEntryItemClickedListener mRecipientEntryItemClickedListener; |
| |
| public interface RecipientEntryItemClickedListener { |
| /** |
| * Callback that occurs whenever an auto-complete suggestion is clicked. |
| * @param charactersTyped the number of characters typed by the user to provide the |
| * auto-complete suggestions. |
| * @param position the position in the dropdown list that the user clicked |
| */ |
| void onRecipientEntryItemClicked(int charactersTyped, int position); |
| } |
| |
| public RecipientEditTextView(Context context, AttributeSet attrs) { |
| super(context, attrs); |
| setChipDimensions(context, attrs); |
| mTextHeight = calculateTextHeight(); |
| mAlternatesPopup = new ListPopupWindow(context); |
| setupPopupWindow(mAlternatesPopup); |
| mAddressPopup = new ListPopupWindow(context); |
| setupPopupWindow(mAddressPopup); |
| mCopyDialog = new Dialog(context); |
| mAlternatesListener = new OnItemClickListener() { |
| @Override |
| public void onItemClick(AdapterView<?> adapterView,View view, int position, |
| long rowId) { |
| mAlternatesPopup.setOnItemClickListener(null); |
| replaceChip(mSelectedChip, ((RecipientAlternatesAdapter) adapterView.getAdapter()) |
| .getRecipientEntry(position)); |
| Message delayed = Message.obtain(mHandler, DISMISS); |
| delayed.obj = mAlternatesPopup; |
| mHandler.sendMessageDelayed(delayed, DISMISS_DELAY); |
| clearComposingText(); |
| } |
| }; |
| setInputType(getInputType() | InputType.TYPE_TEXT_FLAG_NO_SUGGESTIONS); |
| setOnItemClickListener(this); |
| setCustomSelectionActionModeCallback(this); |
| mHandler = new Handler() { |
| @Override |
| public void handleMessage(Message msg) { |
| if (msg.what == DISMISS) { |
| ((ListPopupWindow) msg.obj).dismiss(); |
| return; |
| } |
| super.handleMessage(msg); |
| } |
| }; |
| mTextWatcher = new RecipientTextWatcher(); |
| addTextChangedListener(mTextWatcher); |
| mGestureDetector = new GestureDetector(context, this); |
| setOnEditorActionListener(this); |
| |
| setDropdownChipLayouter(new DropdownChipLayouter(LayoutInflater.from(context), context)); |
| } |
| |
| private void setupPopupWindow(ListPopupWindow popup) { |
| popup.setOnDismissListener(new PopupWindow.OnDismissListener() { |
| @Override |
| public void onDismiss() { |
| clearSelectedChip(); |
| } |
| }); |
| } |
| |
| @Override |
| protected void onLayout(boolean changed, int left, int top, int right, int bottom) { |
| super.onLayout(changed, left, top, right, bottom); |
| |
| final AccessibilityManager accessibilityManager = |
| (AccessibilityManager) getContext().getSystemService(Context.ACCESSIBILITY_SERVICE); |
| mIsAccessibilityOn = accessibilityManager.isEnabled(); |
| } |
| |
| private int calculateTextHeight() { |
| final TextPaint paint = getPaint(); |
| |
| mRect.setEmpty(); |
| // First measure the bounds of a sample text. |
| final String textHeightSample = "a"; |
| paint.getTextBounds(textHeightSample, 0, textHeightSample.length(), mRect); |
| |
| mRect.left = 0; |
| mRect.right = 0; |
| |
| return mRect.height(); |
| } |
| |
| public void setDropdownChipLayouter(DropdownChipLayouter dropdownChipLayouter) { |
| mDropdownChipLayouter = dropdownChipLayouter; |
| mDropdownChipLayouter.setDeleteListener(this); |
| } |
| |
| public void setRecipientEntryItemClickedListener(RecipientEntryItemClickedListener listener) { |
| mRecipientEntryItemClickedListener = listener; |
| } |
| |
| @Override |
| protected void onDetachedFromWindow() { |
| super.onDetachedFromWindow(); |
| mAttachedToWindow = false; |
| } |
| |
| @Override |
| protected void onAttachedToWindow() { |
| super.onAttachedToWindow(); |
| mAttachedToWindow = true; |
| |
| final int anchorId = getDropDownAnchor(); |
| if (anchorId != View.NO_ID) { |
| mDropdownAnchor = getRootView().findViewById(anchorId); |
| } |
| } |
| |
| @Override |
| public void setDropDownAnchor(int anchorId) { |
| super.setDropDownAnchor(anchorId); |
| if (anchorId != View.NO_ID) { |
| mDropdownAnchor = getRootView().findViewById(anchorId); |
| } |
| } |
| |
| @Override |
| public boolean onEditorAction(TextView view, int action, KeyEvent keyEvent) { |
| if (action == EditorInfo.IME_ACTION_DONE) { |
| if (commitDefault()) { |
| return true; |
| } |
| if (mSelectedChip != null) { |
| clearSelectedChip(); |
| return true; |
| } else if (focusNext()) { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| @Override |
| public InputConnection onCreateInputConnection(@NonNull EditorInfo outAttrs) { |
| InputConnection connection = super.onCreateInputConnection(outAttrs); |
| int imeActions = outAttrs.imeOptions&EditorInfo.IME_MASK_ACTION; |
| if ((imeActions&EditorInfo.IME_ACTION_DONE) != 0) { |
| // clear the existing action |
| outAttrs.imeOptions ^= imeActions; |
| // set the DONE action |
| outAttrs.imeOptions |= EditorInfo.IME_ACTION_DONE; |
| } |
| if ((outAttrs.imeOptions&EditorInfo.IME_FLAG_NO_ENTER_ACTION) != 0) { |
| outAttrs.imeOptions &= ~EditorInfo.IME_FLAG_NO_ENTER_ACTION; |
| } |
| |
| outAttrs.actionId = EditorInfo.IME_ACTION_DONE; |
| |
| // Custom action labels are discouraged in L; a checkmark icon is shown in place of the |
| // custom text in this case. |
| outAttrs.actionLabel = Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP ? null : |
| getContext().getString(R.string.action_label); |
| return connection; |
| } |
| |
| /*package*/ DrawableRecipientChip getLastChip() { |
| DrawableRecipientChip last = null; |
| DrawableRecipientChip[] chips = getSortedRecipients(); |
| if (chips != null && chips.length > 0) { |
| last = chips[chips.length - 1]; |
| } |
| return last; |
| } |
| |
| /** |
| * @return The list of {@link RecipientEntry}s that have been selected by the user. |
| */ |
| public List<RecipientEntry> getSelectedRecipients() { |
| DrawableRecipientChip[] chips = |
| getText().getSpans(0, getText().length(), DrawableRecipientChip.class); |
| List<RecipientEntry> results = new ArrayList<RecipientEntry>(); |
| if (chips == null) { |
| return results; |
| } |
| |
| for (DrawableRecipientChip c : chips) { |
| results.add(c.getEntry()); |
| } |
| |
| return results; |
| } |
| |
| @Override |
| public void onSelectionChanged(int start, int end) { |
| // When selection changes, see if it is inside the chips area. |
| // If so, move the cursor back after the chips again. |
| // Only exception is when we change the selection due to a selected chip. |
| DrawableRecipientChip last = getLastChip(); |
| if (mSelectedChip == null && last != null && start < getSpannable().getSpanEnd(last)) { |
| // Grab the last chip and set the cursor to after it. |
| setSelection(Math.min(getSpannable().getSpanEnd(last) + 1, getText().length())); |
| } |
| super.onSelectionChanged(start, end); |
| } |
| |
| @Override |
| public void onRestoreInstanceState(Parcelable state) { |
| if (!TextUtils.isEmpty(getText())) { |
| super.onRestoreInstanceState(null); |
| } else { |
| super.onRestoreInstanceState(state); |
| } |
| } |
| |
| @Override |
| public Parcelable onSaveInstanceState() { |
| // If the user changes orientation while they are editing, just roll back the selection. |
| clearSelectedChip(); |
| return super.onSaveInstanceState(); |
| } |
| |
| /** |
| * Convenience method: Append the specified text slice to the TextView's |
| * display buffer, upgrading it to BufferType.EDITABLE if it was |
| * not already editable. Commas are excluded as they are added automatically |
| * by the view. |
| */ |
| @Override |
| public void append(CharSequence text, int start, int end) { |
| // We don't care about watching text changes while appending. |
| if (mTextWatcher != null) { |
| removeTextChangedListener(mTextWatcher); |
| } |
| super.append(text, start, end); |
| if (!TextUtils.isEmpty(text) && TextUtils.getTrimmedLength(text) > 0) { |
| String displayString = text.toString(); |
| |
| if (!displayString.trim().endsWith(String.valueOf(COMMIT_CHAR_COMMA))) { |
| // We have no separator, so we should add it |
| super.append(SEPARATOR, 0, SEPARATOR.length()); |
| displayString += SEPARATOR; |
| } |
| |
| if (!TextUtils.isEmpty(displayString) |
| && TextUtils.getTrimmedLength(displayString) > 0) { |
| mPendingChipsCount++; |
| mPendingChips.add(displayString); |
| } |
| } |
| // Put a message on the queue to make sure we ALWAYS handle pending |
| // chips. |
| if (mPendingChipsCount > 0) { |
| postHandlePendingChips(); |
| } |
| mHandler.post(mAddTextWatcher); |
| } |
| |
| @Override |
| public void onFocusChanged(boolean hasFocus, int direction, Rect previous) { |
| super.onFocusChanged(hasFocus, direction, previous); |
| if (!hasFocus) { |
| shrink(); |
| } else { |
| expand(); |
| } |
| } |
| |
| @Override |
| public <T extends ListAdapter & Filterable> void setAdapter(@NonNull T adapter) { |
| super.setAdapter(adapter); |
| BaseRecipientAdapter baseAdapter = (BaseRecipientAdapter) adapter; |
| baseAdapter.registerUpdateObserver(new BaseRecipientAdapter.EntriesUpdatedObserver() { |
| @Override |
| public void onChanged(List<RecipientEntry> entries) { |
| // Scroll the chips field to the top of the screen so |
| // that the user can see as many results as possible. |
| if (entries != null && entries.size() > 0) { |
| scrollBottomIntoView(); |
| // Here the current suggestion count is still the old one since we update |
| // the count at the bottom of this function. |
| if (mCurrentSuggestionCount == 0) { |
| // Announce the new number of possible choices for accessibility. |
| announceForAccessibilityCompat(getContext().getString( |
| R.string.accessbility_suggestion_dropdown_opened)); |
| } |
| } |
| |
| // Set the dropdown height to be the remaining height from the anchor to the bottom. |
| mDropdownAnchor.getLocationInWindow(mCoords); |
| getWindowVisibleDisplayFrame(mRect); |
| setDropDownHeight(mRect.bottom - mCoords[1] - mDropdownAnchor.getHeight() - |
| getDropDownVerticalOffset()); |
| |
| mCurrentSuggestionCount = entries == null ? 0 : entries.size(); |
| } |
| }); |
| baseAdapter.setDropdownChipLayouter(mDropdownChipLayouter); |
| } |
| |
| @TargetApi(Build.VERSION_CODES.JELLY_BEAN) |
| private void announceForAccessibilityCompat(String text) { |
| if (mIsAccessibilityOn && Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) { |
| final ViewParent parent = getParent(); |
| if (parent != null) { |
| AccessibilityEvent event = AccessibilityEvent.obtain( |
| AccessibilityEvent.TYPE_ANNOUNCEMENT); |
| onInitializeAccessibilityEvent(event); |
| event.getText().add(text); |
| event.setContentDescription(null); |
| parent.requestSendAccessibilityEvent(this, event); |
| } |
| } |
| } |
| |
| protected void scrollBottomIntoView() { |
| if (mScrollView != null && mShouldShrink) { |
| getLocationInWindow(mCoords); |
| // Desired position shows at least 1 line of chips below the action |
| // bar. We add excess padding to make sure this is always below other |
| // content. |
| final int height = getHeight(); |
| final int currentPos = mCoords[1] + height; |
| mScrollView.getLocationInWindow(mCoords); |
| final int desiredPos = mCoords[1] + height / getLineCount(); |
| if (currentPos > desiredPos) { |
| mScrollView.scrollBy(0, currentPos - desiredPos); |
| } |
| } |
| } |
| |
| protected ScrollView getScrollView() { |
| return mScrollView; |
| } |
| |
| @Override |
| public void performValidation() { |
| // Do nothing. Chips handles its own validation. |
| } |
| |
| private void shrink() { |
| if (mTokenizer == null) { |
| return; |
| } |
| long contactId = mSelectedChip != null ? mSelectedChip.getEntry().getContactId() : -1; |
| if (mSelectedChip != null && contactId != RecipientEntry.INVALID_CONTACT |
| && (!isPhoneQuery() && contactId != RecipientEntry.GENERATED_CONTACT)) { |
| clearSelectedChip(); |
| } else { |
| if (getWidth() <= 0) { |
| mHandler.removeCallbacks(mDelayedShrink); |
| |
| if (getVisibility() == GONE) { |
| // We aren't going to have a width any time soon, so defer |
| // this until we're not GONE. |
| mRequiresShrinkWhenNotGone = true; |
| } else { |
| // We don't have the width yet which means the view hasn't been drawn yet |
| // and there is no reason to attempt to commit chips yet. |
| // This focus lost must be the result of an orientation change |
| // or an initial rendering. |
| // Re-post the shrink for later. |
| mHandler.post(mDelayedShrink); |
| } |
| return; |
| } |
| // Reset any pending chips as they would have been handled |
| // when the field lost focus. |
| if (mPendingChipsCount > 0) { |
| postHandlePendingChips(); |
| } else { |
| Editable editable = getText(); |
| int end = getSelectionEnd(); |
| int start = mTokenizer.findTokenStart(editable, end); |
| DrawableRecipientChip[] chips = |
| getSpannable().getSpans(start, end, DrawableRecipientChip.class); |
| if ((chips == null || chips.length == 0)) { |
| Editable text = getText(); |
| int whatEnd = mTokenizer.findTokenEnd(text, start); |
| // This token was already tokenized, so skip past the ending token. |
| if (whatEnd < text.length() && text.charAt(whatEnd) == ',') { |
| whatEnd = movePastTerminators(whatEnd); |
| } |
| // In the middle of chip; treat this as an edit |
| // and commit the whole token. |
| int selEnd = getSelectionEnd(); |
| if (whatEnd != selEnd) { |
| handleEdit(start, whatEnd); |
| } else { |
| commitChip(start, end, editable); |
| } |
| } |
| } |
| mHandler.post(mAddTextWatcher); |
| } |
| createMoreChip(); |
| } |
| |
| private void expand() { |
| if (mShouldShrink) { |
| setMaxLines(Integer.MAX_VALUE); |
| } |
| removeMoreChip(); |
| setCursorVisible(true); |
| Editable text = getText(); |
| setSelection(text != null && text.length() > 0 ? text.length() : 0); |
| // If there are any temporary chips, try replacing them now that the user |
| // has expanded the field. |
| if (mTemporaryRecipients != null && mTemporaryRecipients.size() > 0) { |
| new RecipientReplacementTask().execute(); |
| mTemporaryRecipients = null; |
| } |
| } |
| |
| private CharSequence ellipsizeText(CharSequence text, TextPaint paint, float maxWidth) { |
| paint.setTextSize(mChipFontSize); |
| if (maxWidth <= 0 && Log.isLoggable(TAG, Log.DEBUG)) { |
| Log.d(TAG, "Max width is negative: " + maxWidth); |
| } |
| return TextUtils.ellipsize(text, paint, maxWidth, |
| TextUtils.TruncateAt.END); |
| } |
| |
| /** |
| * Creates a bitmap of the given contact on a selected chip. |
| * |
| * @param contact The recipient entry to pull data from. |
| * @param paint The paint to use to draw the bitmap. |
| */ |
| private Bitmap createChipBitmap(RecipientEntry contact, TextPaint paint) { |
| paint.setColor(getDefaultChipTextColor(contact)); |
| ChipBitmapContainer bitmapContainer = createChipBitmap(contact, paint, |
| getChipBackground(contact), getDefaultChipBackgroundColor(contact)); |
| |
| if (bitmapContainer.loadIcon) { |
| loadAvatarIcon(contact, bitmapContainer); |
| } |
| return bitmapContainer.bitmap; |
| } |
| |
| private ChipBitmapContainer createChipBitmap(RecipientEntry contact, TextPaint paint, |
| Drawable overrideBackgroundDrawable, int backgroundColor) { |
| final ChipBitmapContainer result = new ChipBitmapContainer(); |
| |
| Rect backgroundPadding = new Rect(); |
| if (overrideBackgroundDrawable != null) { |
| overrideBackgroundDrawable.getPadding(backgroundPadding); |
| } |
| |
| // Ellipsize the text so that it takes AT MOST the entire width of the |
| // autocomplete text entry area. Make sure to leave space for padding |
| // on the sides. |
| int height = (int) mChipHeight; |
| // Since the icon is a square, it's width is equal to the maximum height it can be inside |
| // the chip. Don't include iconWidth for invalid contacts. |
| int iconWidth = contact.isValid() ? |
| height - backgroundPadding.top - backgroundPadding.bottom : 0; |
| float[] widths = new float[1]; |
| paint.getTextWidths(" ", widths); |
| CharSequence ellipsizedText = ellipsizeText(createChipDisplayText(contact), paint, |
| calculateAvailableWidth() - iconWidth - widths[0] - backgroundPadding.left |
| - backgroundPadding.right); |
| int textWidth = (int) paint.measureText(ellipsizedText, 0, ellipsizedText.length()); |
| |
| // Chip start padding is the same as the end padding if there is no contact image. |
| final int startPadding = contact.isValid() ? mChipTextStartPadding : mChipTextEndPadding; |
| // Make sure there is a minimum chip width so the user can ALWAYS |
| // tap a chip without difficulty. |
| int width = Math.max(iconWidth * 2, textWidth + startPadding + mChipTextEndPadding |
| + iconWidth + backgroundPadding.left + backgroundPadding.right); |
| |
| // Create the background of the chip. |
| result.bitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); |
| final Canvas canvas = new Canvas(result.bitmap); |
| |
| // Check if the background drawable is set via attr |
| if (overrideBackgroundDrawable != null) { |
| overrideBackgroundDrawable.setBounds(0, 0, width, height); |
| overrideBackgroundDrawable.draw(canvas); |
| } else { |
| // Draw the default chip background |
| mWorkPaint.reset(); |
| mWorkPaint.setColor(backgroundColor); |
| final float radius = height / 2; |
| canvas.drawRoundRect(new RectF(0, 0, width, height), radius, radius, |
| mWorkPaint); |
| } |
| |
| // Draw the text vertically aligned |
| int textX = shouldPositionAvatarOnRight() ? |
| mChipTextEndPadding + backgroundPadding.left : |
| width - backgroundPadding.right - mChipTextEndPadding - textWidth; |
| canvas.drawText(ellipsizedText, 0, ellipsizedText.length(), |
| textX, getTextYOffset(height), paint); |
| |
| // Set the variables that are needed to draw the icon bitmap once it's loaded |
| int iconX = shouldPositionAvatarOnRight() ? width - backgroundPadding.right - iconWidth : |
| backgroundPadding.left; |
| result.left = iconX; |
| result.top = backgroundPadding.top; |
| result.right = iconX + iconWidth; |
| result.bottom = height - backgroundPadding.bottom; |
| |
| return result; |
| } |
| |
| /** |
| * Helper function that draws the loaded icon bitmap into the chips bitmap |
| */ |
| private void drawIcon(ChipBitmapContainer bitMapResult, Bitmap icon) { |
| final Canvas canvas = new Canvas(bitMapResult.bitmap); |
| final RectF src = new RectF(0, 0, icon.getWidth(), icon.getHeight()); |
| final RectF dst = new RectF(bitMapResult.left, bitMapResult.top, bitMapResult.right, |
| bitMapResult.bottom); |
| drawIconOnCanvas(icon, canvas, src, dst); |
| } |
| |
| /** |
| * Returns true if the avatar should be positioned at the right edge of the chip. |
| * Takes into account both the set avatar position (start or end) as well as whether |
| * the layout direction is LTR or RTL. |
| */ |
| private boolean shouldPositionAvatarOnRight() { |
| final boolean isRtl = Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1 && |
| getLayoutDirection() == LAYOUT_DIRECTION_RTL; |
| final boolean assignedPosition = mAvatarPosition == AVATAR_POSITION_END; |
| // If in Rtl mode, the position should be flipped. |
| return isRtl ? !assignedPosition : assignedPosition; |
| } |
| |
| /** |
| * Returns the avatar icon to use for this recipient entry. Returns null if we don't want to |
| * draw an icon for this recipient. |
| */ |
| private void loadAvatarIcon(final RecipientEntry contact, |
| final ChipBitmapContainer bitmapContainer) { |
| // Don't draw photos for recipients that have been typed in OR generated on the fly. |
| long contactId = contact.getContactId(); |
| boolean drawPhotos = isPhoneQuery() ? |
| contactId != RecipientEntry.INVALID_CONTACT |
| : (contactId != RecipientEntry.INVALID_CONTACT |
| && contactId != RecipientEntry.GENERATED_CONTACT); |
| |
| if (drawPhotos) { |
| final byte[] origPhotoBytes = contact.getPhotoBytes(); |
| // There may not be a photo yet if anything but the first contact address |
| // was selected. |
| if (origPhotoBytes == null) { |
| // TODO: cache this in the recipient entry? |
| getAdapter().fetchPhoto(contact, new PhotoManager.PhotoManagerCallback() { |
| @Override |
| public void onPhotoBytesPopulated() { |
| // Call through to the async version which will ensure |
| // proper threading. |
| onPhotoBytesAsynchronouslyPopulated(); |
| } |
| |
| @Override |
| public void onPhotoBytesAsynchronouslyPopulated() { |
| final byte[] loadedPhotoBytes = contact.getPhotoBytes(); |
| final Bitmap icon = BitmapFactory.decodeByteArray(loadedPhotoBytes, 0, |
| loadedPhotoBytes.length); |
| tryDrawAndInvalidate(icon); |
| } |
| |
| @Override |
| public void onPhotoBytesAsyncLoadFailed() { |
| // TODO: can the scaled down default photo be cached? |
| tryDrawAndInvalidate(mDefaultContactPhoto); |
| } |
| |
| private void tryDrawAndInvalidate(Bitmap icon) { |
| drawIcon(bitmapContainer, icon); |
| // The caller might originated from a background task. However, if the |
| // background task has already completed, the view might be already drawn |
| // on the UI but the callback would happen on the background thread. |
| // So if we are on a background thread, post an invalidate call to the UI. |
| if (Looper.myLooper() == Looper.getMainLooper()) { |
| // The view might not redraw itself since it's loaded asynchronously |
| invalidate(); |
| } else { |
| post(new Runnable() { |
| @Override |
| public void run() { |
| invalidate(); |
| } |
| }); |
| } |
| } |
| }); |
| } else { |
| final Bitmap icon = BitmapFactory.decodeByteArray(origPhotoBytes, 0, |
| origPhotoBytes.length); |
| drawIcon(bitmapContainer, icon); |
| } |
| } |
| } |
| |
| /** |
| * Get the background drawable for a RecipientChip. |
| */ |
| // Visible for testing. |
| /* package */Drawable getChipBackground(RecipientEntry contact) { |
| return contact.isValid() ? mChipBackground : mInvalidChipBackground; |
| } |
| |
| private int getDefaultChipTextColor(RecipientEntry contact) { |
| return contact.isValid() ? mUnselectedChipTextColor : |
| getResources().getColor(android.R.color.black); |
| } |
| |
| private int getDefaultChipBackgroundColor(RecipientEntry contact) { |
| return contact.isValid() ? mUnselectedChipBackgroundColor : |
| getResources().getColor(R.color.chip_background_invalid); |
| } |
| |
| /** |
| * Given a height, returns a Y offset that will draw the text in the middle of the height. |
| */ |
| protected float getTextYOffset(int height) { |
| return height - ((height - mTextHeight) / 2); |
| } |
| |
| /** |
| * Draws the icon onto the canvas given the source rectangle of the bitmap and the destination |
| * rectangle of the canvas. |
| */ |
| protected void drawIconOnCanvas(Bitmap icon, Canvas canvas, RectF src, RectF dst) { |
| final Matrix matrix = new Matrix(); |
| |
| // Draw bitmap through shader first. |
| final BitmapShader shader = new BitmapShader(icon, TileMode.CLAMP, TileMode.CLAMP); |
| matrix.reset(); |
| |
| // Fit bitmap to bounds. |
| matrix.setRectToRect(src, dst, Matrix.ScaleToFit.FILL); |
| |
| shader.setLocalMatrix(matrix); |
| mWorkPaint.reset(); |
| mWorkPaint.setShader(shader); |
| mWorkPaint.setAntiAlias(true); |
| mWorkPaint.setFilterBitmap(true); |
| mWorkPaint.setDither(true); |
| canvas.drawCircle(dst.centerX(), dst.centerY(), dst.width() / 2f, mWorkPaint); |
| |
| // Then draw the border. |
| final float borderWidth = 1f; |
| mWorkPaint.reset(); |
| mWorkPaint.setColor(Color.TRANSPARENT); |
| mWorkPaint.setStyle(Style.STROKE); |
| mWorkPaint.setStrokeWidth(borderWidth); |
| mWorkPaint.setAntiAlias(true); |
| canvas.drawCircle(dst.centerX(), dst.centerY(), dst.width() / 2f - borderWidth / 2, |
| mWorkPaint); |
| |
| mWorkPaint.reset(); |
| } |
| |
| private DrawableRecipientChip constructChipSpan(RecipientEntry contact) { |
| TextPaint paint = getPaint(); |
| float defaultSize = paint.getTextSize(); |
| int defaultColor = paint.getColor(); |
| |
| Bitmap tmpBitmap = createChipBitmap(contact, paint); |
| |
| // Pass the full text, un-ellipsized, to the chip. |
| Drawable result = new BitmapDrawable(getResources(), tmpBitmap); |
| result.setBounds(0, 0, tmpBitmap.getWidth(), tmpBitmap.getHeight()); |
| VisibleRecipientChip recipientChip = |
| new VisibleRecipientChip(result, contact); |
| recipientChip.setExtraMargin(mLineSpacingExtra); |
| // Return text to the original size. |
| paint.setTextSize(defaultSize); |
| paint.setColor(defaultColor); |
| return recipientChip; |
| } |
| |
| /** |
| * Calculate the bottom of the line the chip will be located on using: |
| * 1) which line the chip appears on |
| * 2) the height of a chip |
| * 3) padding built into the edit text view |
| */ |
| private int calculateOffsetFromBottom(int line) { |
| // Line offsets start at zero. |
| int actualLine = getLineCount() - (line + 1); |
| return -((actualLine * ((int) mChipHeight) + getPaddingBottom()) + getPaddingTop()) |
| + getDropDownVerticalOffset(); |
| } |
| |
| /** |
| * Calculate the offset from bottom of the EditText to top of the provided line. |
| */ |
| private int calculateOffsetFromBottomToTop(int line) { |
| return -(int) ((mChipHeight + (2 * mLineSpacingExtra)) * (Math |
| .abs(getLineCount() - line)) + getPaddingBottom()); |
| } |
| |
| /** |
| * Get the max amount of space a chip can take up. The formula takes into |
| * account the width of the EditTextView, any view padding, and padding |
| * that will be added to the chip. |
| */ |
| private float calculateAvailableWidth() { |
| return getWidth() - getPaddingLeft() - getPaddingRight() - mChipTextStartPadding |
| - mChipTextEndPadding; |
| } |
| |
| |
| private void setChipDimensions(Context context, AttributeSet attrs) { |
| TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.RecipientEditTextView, 0, |
| 0); |
| Resources r = getContext().getResources(); |
| |
| mChipBackground = a.getDrawable(R.styleable.RecipientEditTextView_chipBackground); |
| mInvalidChipBackground = a |
| .getDrawable(R.styleable.RecipientEditTextView_invalidChipBackground); |
| mChipDelete = a.getDrawable(R.styleable.RecipientEditTextView_chipDelete); |
| if (mChipDelete == null) { |
| mChipDelete = r.getDrawable(R.drawable.ic_cancel_wht_24dp); |
| } |
| mChipTextStartPadding = mChipTextEndPadding |
| = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipPadding, -1); |
| if (mChipTextStartPadding == -1) { |
| mChipTextStartPadding = mChipTextEndPadding = |
| (int) r.getDimension(R.dimen.chip_padding); |
| } |
| // xml-overrides for each individual padding |
| // TODO: add these to attr? |
| int overridePadding = (int) r.getDimension(R.dimen.chip_padding_start); |
| if (overridePadding >= 0) { |
| mChipTextStartPadding = overridePadding; |
| } |
| overridePadding = (int) r.getDimension(R.dimen.chip_padding_end); |
| if (overridePadding >= 0) { |
| mChipTextEndPadding = overridePadding; |
| } |
| |
| mDefaultContactPhoto = BitmapFactory.decodeResource(r, R.drawable.ic_contact_picture); |
| |
| mMoreItem = (TextView) LayoutInflater.from(getContext()).inflate(R.layout.more_item, null); |
| |
| mChipHeight = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipHeight, -1); |
| if (mChipHeight == -1) { |
| mChipHeight = r.getDimension(R.dimen.chip_height); |
| } |
| mChipFontSize = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipFontSize, -1); |
| if (mChipFontSize == -1) { |
| mChipFontSize = r.getDimension(R.dimen.chip_text_size); |
| } |
| mAvatarPosition = |
| a.getInt(R.styleable.RecipientEditTextView_avatarPosition, AVATAR_POSITION_START); |
| mDisableDelete = a.getBoolean(R.styleable.RecipientEditTextView_disableDelete, false); |
| |
| mMaxLines = r.getInteger(R.integer.chips_max_lines); |
| mLineSpacingExtra = r.getDimensionPixelOffset(R.dimen.line_spacing_extra); |
| |
| mUnselectedChipTextColor = a.getColor( |
| R.styleable.RecipientEditTextView_unselectedChipTextColor, |
| r.getColor(android.R.color.black)); |
| |
| mSelectedChipTextColor = a.getColor( |
| R.styleable.RecipientEditTextView_selectedChipTextColor, |
| r.getColor(android.R.color.white)); |
| |
| mUnselectedChipBackgroundColor = a.getColor( |
| R.styleable.RecipientEditTextView_unselectedChipBackgroundColor, |
| r.getColor(R.color.chip_background)); |
| |
| mSelectedChipBackgroundColor = a.getColor( |
| R.styleable.RecipientEditTextView_selectedChipBackgroundColor, |
| r.getColor(R.color.chip_background_selected)); |
| a.recycle(); |
| } |
| |
| // Visible for testing. |
| /* package */ void setMoreItem(TextView moreItem) { |
| mMoreItem = moreItem; |
| } |
| |
| |
| // Visible for testing. |
| /* package */ void setChipBackground(Drawable chipBackground) { |
| mChipBackground = chipBackground; |
| } |
| |
| // Visible for testing. |
| /* package */ void setChipHeight(int height) { |
| mChipHeight = height; |
| } |
| |
| public float getChipHeight() { |
| return mChipHeight; |
| } |
| |
| /** |
| * Set whether to shrink the recipients field such that at most |
| * one line of recipients chips are shown when the field loses |
| * focus. By default, the number of displayed recipients will be |
| * limited and a "more" chip will be shown when focus is lost. |
| * @param shrink |
| */ |
| public void setOnFocusListShrinkRecipients(boolean shrink) { |
| mShouldShrink = shrink; |
| } |
| |
| @Override |
| public void onSizeChanged(int width, int height, int oldw, int oldh) { |
| super.onSizeChanged(width, height, oldw, oldh); |
| if (width != 0 && height != 0) { |
| if (mPendingChipsCount > 0) { |
| postHandlePendingChips(); |
| } else { |
| checkChipWidths(); |
| } |
| } |
| // Try to find the scroll view parent, if it exists. |
| if (mScrollView == null && !mTriedGettingScrollView) { |
| ViewParent parent = getParent(); |
| while (parent != null && !(parent instanceof ScrollView)) { |
| parent = parent.getParent(); |
| } |
| if (parent != null) { |
| mScrollView = (ScrollView) parent; |
| } |
| mTriedGettingScrollView = true; |
| } |
| } |
| |
| private void postHandlePendingChips() { |
| mHandler.removeCallbacks(mHandlePendingChips); |
| mHandler.post(mHandlePendingChips); |
| } |
| |
| private void checkChipWidths() { |
| // Check the widths of the associated chips. |
| DrawableRecipientChip[] chips = getSortedRecipients(); |
| if (chips != null) { |
| Rect bounds; |
| for (DrawableRecipientChip chip : chips) { |
| bounds = chip.getBounds(); |
| if (getWidth() > 0 && bounds.right - bounds.left > |
| getWidth() - getPaddingLeft() - getPaddingRight()) { |
| // Need to redraw that chip. |
| replaceChip(chip, chip.getEntry()); |
| } |
| } |
| } |
| } |
| |
| // Visible for testing. |
| /*package*/ void handlePendingChips() { |
| if (getViewWidth() <= 0) { |
| // The widget has not been sized yet. |
| // This will be called as a result of onSizeChanged |
| // at a later point. |
| return; |
| } |
| if (mPendingChipsCount <= 0) { |
| return; |
| } |
| |
| synchronized (mPendingChips) { |
| Editable editable = getText(); |
| // Tokenize! |
| if (mPendingChipsCount <= MAX_CHIPS_PARSED) { |
| for (int i = 0; i < mPendingChips.size(); i++) { |
| String current = mPendingChips.get(i); |
| int tokenStart = editable.toString().indexOf(current); |
| // Always leave a space at the end between tokens. |
| int tokenEnd = tokenStart + current.length() - 1; |
| if (tokenStart >= 0) { |
| // When we have a valid token, include it with the token |
| // to the left. |
| if (tokenEnd < editable.length() - 2 |
| && editable.charAt(tokenEnd) == COMMIT_CHAR_COMMA) { |
| tokenEnd++; |
| } |
| createReplacementChip(tokenStart, tokenEnd, editable, i < CHIP_LIMIT |
| || !mShouldShrink); |
| } |
| mPendingChipsCount--; |
| } |
| sanitizeEnd(); |
| } else { |
| mNoChips = true; |
| } |
| |
| if (mTemporaryRecipients != null && mTemporaryRecipients.size() > 0 |
| && mTemporaryRecipients.size() <= RecipientAlternatesAdapter.MAX_LOOKUPS) { |
| if (hasFocus() || mTemporaryRecipients.size() < CHIP_LIMIT) { |
| new RecipientReplacementTask().execute(); |
| mTemporaryRecipients = null; |
| } else { |
| // Create the "more" chip |
| mIndividualReplacements = new IndividualReplacementTask(); |
| mIndividualReplacements.execute(new ArrayList<DrawableRecipientChip>( |
| mTemporaryRecipients.subList(0, CHIP_LIMIT))); |
| if (mTemporaryRecipients.size() > CHIP_LIMIT) { |
| mTemporaryRecipients = new ArrayList<DrawableRecipientChip>( |
| mTemporaryRecipients.subList(CHIP_LIMIT, |
| mTemporaryRecipients.size())); |
| } else { |
| mTemporaryRecipients = null; |
| } |
| createMoreChip(); |
| } |
| } else { |
| // There are too many recipients to look up, so just fall back |
| // to showing addresses for all of them. |
| mTemporaryRecipients = null; |
| createMoreChip(); |
| } |
| mPendingChipsCount = 0; |
| mPendingChips.clear(); |
| } |
| } |
| |
| // Visible for testing. |
| /*package*/ int getViewWidth() { |
| return getWidth(); |
| } |
| |
| /** |
| * Remove any characters after the last valid chip. |
| */ |
| // Visible for testing. |
| /*package*/ void sanitizeEnd() { |
| // Don't sanitize while we are waiting for pending chips to complete. |
| if (mPendingChipsCount > 0) { |
| return; |
| } |
| // Find the last chip; eliminate any commit characters after it. |
| DrawableRecipientChip[] chips = getSortedRecipients(); |
| Spannable spannable = getSpannable(); |
| if (chips != null && chips.length > 0) { |
| int end; |
| mMoreChip = getMoreChip(); |
| if (mMoreChip != null) { |
| end = spannable.getSpanEnd(mMoreChip); |
| } else { |
| end = getSpannable().getSpanEnd(getLastChip()); |
| } |
| Editable editable = getText(); |
| int length = editable.length(); |
| if (length > end) { |
| // See what characters occur after that and eliminate them. |
| if (Log.isLoggable(TAG, Log.DEBUG)) { |
| Log.d(TAG, "There were extra characters after the last tokenizable entry." |
| + editable); |
| } |
| editable.delete(end + 1, length); |
| } |
| } |
| } |
| |
| /** |
| * Create a chip that represents just the email address of a recipient. At some later |
| * point, this chip will be attached to a real contact entry, if one exists. |
| */ |
| // VisibleForTesting |
| void createReplacementChip(int tokenStart, int tokenEnd, Editable editable, |
| boolean visible) { |
| if (alreadyHasChip(tokenStart, tokenEnd)) { |
| // There is already a chip present at this location. |
| // Don't recreate it. |
| return; |
| } |
| String token = editable.toString().substring(tokenStart, tokenEnd); |
| final String trimmedToken = token.trim(); |
| int commitCharIndex = trimmedToken.lastIndexOf(COMMIT_CHAR_COMMA); |
| if (commitCharIndex != -1 && commitCharIndex == trimmedToken.length() - 1) { |
| token = trimmedToken.substring(0, trimmedToken.length() - 1); |
| } |
| RecipientEntry entry = createTokenizedEntry(token); |
| if (entry != null) { |
| DrawableRecipientChip chip = null; |
| try { |
| if (!mNoChips) { |
| chip = visible ? constructChipSpan(entry) : new InvisibleRecipientChip(entry); |
| } |
| } catch (NullPointerException e) { |
| Log.e(TAG, e.getMessage(), e); |
| } |
| editable.setSpan(chip, tokenStart, tokenEnd, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); |
| // Add this chip to the list of entries "to replace" |
| if (chip != null) { |
| if (mTemporaryRecipients == null) { |
| mTemporaryRecipients = new ArrayList<DrawableRecipientChip>(); |
| } |
| chip.setOriginalText(token); |
| mTemporaryRecipients.add(chip); |
| } |
| } |
| } |
| |
| private static boolean isPhoneNumber(String number) { |
| // TODO: replace this function with libphonenumber's isPossibleNumber (see |
| // PhoneNumberUtil). One complication is that it requires the sender's region which |
| // comes from the CurrentCountryIso. For now, let's just do this simple match. |
| if (TextUtils.isEmpty(number)) { |
| return false; |
| } |
| |
| Matcher match = PHONE_PATTERN.matcher(number); |
| return match.matches(); |
| } |
| |
| // VisibleForTesting |
| RecipientEntry createTokenizedEntry(final String token) { |
| if (TextUtils.isEmpty(token)) { |
| return null; |
| } |
| if (isPhoneQuery() && isPhoneNumber(token)) { |
| return RecipientEntry.constructFakePhoneEntry(token, true); |
| } |
| Rfc822Token[] tokens = Rfc822Tokenizer.tokenize(token); |
| boolean isValid = isValid(token); |
| if (isValid && tokens != null && tokens.length > 0) { |
| // If we can get a name from tokenizing, then generate an entry from |
| // this. |
| String display = tokens[0].getName(); |
| if (!TextUtils.isEmpty(display)) { |
| return RecipientEntry.constructGeneratedEntry(display, tokens[0].getAddress(), |
| isValid); |
| } else { |
| display = tokens[0].getAddress(); |
| if (!TextUtils.isEmpty(display)) { |
| return RecipientEntry.constructFakeEntry(display, isValid); |
| } |
| } |
| } |
| // Unable to validate the token or to create a valid token from it. |
| // Just create a chip the user can edit. |
| String validatedToken = null; |
| if (mValidator != null && !isValid) { |
| // Try fixing up the entry using the validator. |
| validatedToken = mValidator.fixText(token).toString(); |
| if (!TextUtils.isEmpty(validatedToken)) { |
| if (validatedToken.contains(token)) { |
| // protect against the case of a validator with a null |
| // domain, |
| // which doesn't add a domain to the token |
| Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(validatedToken); |
| if (tokenized.length > 0) { |
| validatedToken = tokenized[0].getAddress(); |
| isValid = true; |
| } |
| } else { |
| // We ran into a case where the token was invalid and |
| // removed |
| // by the validator. In this case, just use the original |
| // token |
| // and let the user sort out the error chip. |
| validatedToken = null; |
| isValid = false; |
| } |
| } |
| } |
| // Otherwise, fallback to just creating an editable email address chip. |
| return RecipientEntry.constructFakeEntry( |
| !TextUtils.isEmpty(validatedToken) ? validatedToken : token, isValid); |
| } |
| |
| private boolean isValid(String text) { |
| return mValidator == null ? true : mValidator.isValid(text); |
| } |
| |
| private static String tokenizeAddress(String destination) { |
| Rfc822Token[] tokens = Rfc822Tokenizer.tokenize(destination); |
| if (tokens != null && tokens.length > 0) { |
| return tokens[0].getAddress(); |
| } |
| return destination; |
| } |
| |
| @Override |
| public void setTokenizer(Tokenizer tokenizer) { |
| mTokenizer = tokenizer; |
| super.setTokenizer(mTokenizer); |
| } |
| |
| @Override |
| public void setValidator(Validator validator) { |
| mValidator = validator; |
| super.setValidator(validator); |
| } |
| |
| /** |
| * We cannot use the default mechanism for replaceText. Instead, |
| * we override onItemClickListener so we can get all the associated |
| * contact information including display text, address, and id. |
| */ |
| @Override |
| protected void replaceText(CharSequence text) { |
| return; |
| } |
| |
| /** |
| * Dismiss any selected chips when the back key is pressed. |
| */ |
| @Override |
| public boolean onKeyPreIme(int keyCode, @NonNull KeyEvent event) { |
| if (keyCode == KeyEvent.KEYCODE_BACK && mSelectedChip != null) { |
| clearSelectedChip(); |
| return true; |
| } |
| return super.onKeyPreIme(keyCode, event); |
| } |
| |
| /** |
| * Monitor key presses in this view to see if the user types |
| * any commit keys, which consist of ENTER, TAB, or DPAD_CENTER. |
| * If the user has entered text that has contact matches and types |
| * a commit key, create a chip from the topmost matching contact. |
| * If the user has entered text that has no contact matches and types |
| * a commit key, then create a chip from the text they have entered. |
| */ |
| @Override |
| public boolean onKeyUp(int keyCode, @NonNull KeyEvent event) { |
| switch (keyCode) { |
| case KeyEvent.KEYCODE_TAB: |
| if (event.hasNoModifiers()) { |
| if (mSelectedChip != null) { |
| clearSelectedChip(); |
| } else { |
| commitDefault(); |
| } |
| } |
| break; |
| } |
| return super.onKeyUp(keyCode, event); |
| } |
| |
| private boolean focusNext() { |
| View next = focusSearch(View.FOCUS_DOWN); |
| if (next != null) { |
| next.requestFocus(); |
| return true; |
| } |
| return false; |
| } |
| |
| /** |
| * Create a chip from the default selection. If the popup is showing, the |
| * default is the selected item (if one is selected), or the first item, in the popup |
| * suggestions list. Otherwise, it is whatever the user had typed in. End represents where the |
| * tokenizer should search for a token to turn into a chip. |
| * @return If a chip was created from a real contact. |
| */ |
| private boolean commitDefault() { |
| // If there is no tokenizer, don't try to commit. |
| if (mTokenizer == null) { |
| return false; |
| } |
| Editable editable = getText(); |
| int end = getSelectionEnd(); |
| int start = mTokenizer.findTokenStart(editable, end); |
| |
| if (shouldCreateChip(start, end)) { |
| int whatEnd = mTokenizer.findTokenEnd(getText(), start); |
| // In the middle of chip; treat this as an edit |
| // and commit the whole token. |
| whatEnd = movePastTerminators(whatEnd); |
| if (whatEnd != getSelectionEnd()) { |
| handleEdit(start, whatEnd); |
| return true; |
| } |
| return commitChip(start, end , editable); |
| } |
| return false; |
| } |
| |
| private void commitByCharacter() { |
| // We can't possibly commit by character if we can't tokenize. |
| if (mTokenizer == null) { |
| return; |
| } |
| Editable editable = getText(); |
| int end = getSelectionEnd(); |
| int start = mTokenizer.findTokenStart(editable, end); |
| if (shouldCreateChip(start, end)) { |
| commitChip(start, end, editable); |
| } |
| setSelection(getText().length()); |
| } |
| |
| private boolean commitChip(int start, int end, Editable editable) { |
| ListAdapter adapter = getAdapter(); |
| if (adapter != null && adapter.getCount() > 0 && enoughToFilter() |
| && end == getSelectionEnd() && !isPhoneQuery()) { |
| // let's choose the selected or first entry if only the input text is NOT an email |
| // address so we won't try to replace the user's potentially correct but |
| // new/unencountered email input |
| if (!isValidEmailAddress(editable.toString().substring(start, end).trim())) { |
| final int selectedPosition = getListSelection(); |
| if (selectedPosition == -1) { |
| // Nothing is selected; use the first item |
| submitItemAtPosition(0); |
| } else { |
| submitItemAtPosition(selectedPosition); |
| } |
| } |
| dismissDropDown(); |
| return true; |
| } else { |
| int tokenEnd = mTokenizer.findTokenEnd(editable, start); |
| if (editable.length() > tokenEnd + 1) { |
| char charAt = editable.charAt(tokenEnd + 1); |
| if (charAt == COMMIT_CHAR_COMMA || charAt == COMMIT_CHAR_SEMICOLON) { |
| tokenEnd++; |
| } |
| } |
| String text = editable.toString().substring(start, tokenEnd).trim(); |
| clearComposingText(); |
| if (text.length() > 0 && !text.equals(" ")) { |
| RecipientEntry entry = createTokenizedEntry(text); |
| if (entry != null) { |
| QwertyKeyListener.markAsReplaced(editable, start, end, ""); |
| CharSequence chipText = createChip(entry); |
| if (chipText != null && start > -1 && end > -1) { |
| editable.replace(start, end, chipText); |
| } |
| } |
| // Only dismiss the dropdown if it is related to the text we |
| // just committed. |
| // For paste, it may not be as there are possibly multiple |
| // tokens being added. |
| if (end == getSelectionEnd()) { |
| dismissDropDown(); |
| } |
| sanitizeBetween(); |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| // Visible for testing. |
| /* package */ void sanitizeBetween() { |
| // Don't sanitize while we are waiting for content to chipify. |
| if (mPendingChipsCount > 0) { |
| return; |
| } |
| // Find the last chip. |
| DrawableRecipientChip[] recips = getSortedRecipients(); |
| if (recips != null && recips.length > 0) { |
| DrawableRecipientChip last = recips[recips.length - 1]; |
| DrawableRecipientChip beforeLast = null; |
| if (recips.length > 1) { |
| beforeLast = recips[recips.length - 2]; |
| } |
| int startLooking = 0; |
| int end = getSpannable().getSpanStart(last); |
| if (beforeLast != null) { |
| startLooking = getSpannable().getSpanEnd(beforeLast); |
| Editable text = getText(); |
| if (startLooking == -1 || startLooking > text.length() - 1) { |
| // There is nothing after this chip. |
| return; |
| } |
| if (text.charAt(startLooking) == ' ') { |
| startLooking++; |
| } |
| } |
| if (startLooking >= 0 && end >= 0 && startLooking < end) { |
| getText().delete(startLooking, end); |
| } |
| } |
| } |
| |
| private boolean shouldCreateChip(int start, int end) { |
| return !mNoChips && hasFocus() && enoughToFilter() && !alreadyHasChip(start, end); |
| } |
| |
| private boolean alreadyHasChip(int start, int end) { |
| if (mNoChips) { |
| return true; |
| } |
| DrawableRecipientChip[] chips = |
| getSpannable().getSpans(start, end, DrawableRecipientChip.class); |
| return chips != null && chips.length > 0; |
| } |
| |
| private void handleEdit(int start, int end) { |
| if (start == -1 || end == -1) { |
| // This chip no longer exists in the field. |
| dismissDropDown(); |
| return; |
| } |
| // This is in the middle of a chip, so select out the whole chip |
| // and commit it. |
| Editable editable = getText(); |
| setSelection(end); |
| String text = getText().toString().substring(start, end); |
| if (!TextUtils.isEmpty(text)) { |
| RecipientEntry entry = RecipientEntry.constructFakeEntry(text, isValid(text)); |
| QwertyKeyListener.markAsReplaced(editable, start, end, ""); |
| CharSequence chipText = createChip(entry); |
| int selEnd = getSelectionEnd(); |
| if (chipText != null && start > -1 && selEnd > -1) { |
| editable.replace(start, selEnd, chipText); |
| } |
| } |
| dismissDropDown(); |
| } |
| |
| /** |
| * If there is a selected chip, delegate the key events |
| * to the selected chip. |
| */ |
| @Override |
| public boolean onKeyDown(int keyCode, @NonNull KeyEvent event) { |
| if (mSelectedChip != null && keyCode == KeyEvent.KEYCODE_DEL) { |
| if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { |
| mAlternatesPopup.dismiss(); |
| } |
| removeChip(mSelectedChip); |
| } |
| |
| switch (keyCode) { |
| case KeyEvent.KEYCODE_ENTER: |
| case KeyEvent.KEYCODE_DPAD_CENTER: |
| if (event.hasNoModifiers()) { |
| if (commitDefault()) { |
| return true; |
| } |
| if (mSelectedChip != null) { |
| clearSelectedChip(); |
| return true; |
| } else if (focusNext()) { |
| return true; |
| } |
| } |
| break; |
| } |
| |
| return super.onKeyDown(keyCode, event); |
| } |
| |
| // Visible for testing. |
| /* package */ Spannable getSpannable() { |
| return getText(); |
| } |
| |
| private int getChipStart(DrawableRecipientChip chip) { |
| return getSpannable().getSpanStart(chip); |
| } |
| |
| private int getChipEnd(DrawableRecipientChip chip) { |
| return getSpannable().getSpanEnd(chip); |
| } |
| |
| /** |
| * Instead of filtering on the entire contents of the edit box, |
| * this subclass method filters on the range from |
| * {@link Tokenizer#findTokenStart} to {@link #getSelectionEnd} |
| * if the length of that range meets or exceeds {@link #getThreshold} |
| * and makes sure that the range is not already a Chip. |
| */ |
| @Override |
| protected void performFiltering(@NonNull CharSequence text, int keyCode) { |
| boolean isCompletedToken = isCompletedToken(text); |
| if (enoughToFilter() && !isCompletedToken) { |
| int end = getSelectionEnd(); |
| int start = mTokenizer.findTokenStart(text, end); |
| // If this is a RecipientChip, don't filter |
| // on its contents. |
| Spannable span = getSpannable(); |
| DrawableRecipientChip[] chips = span.getSpans(start, end, DrawableRecipientChip.class); |
| if (chips != null && chips.length > 0) { |
| dismissDropDown(); |
| return; |
| } |
| } else if (isCompletedToken) { |
| dismissDropDown(); |
| return; |
| } |
| super.performFiltering(text, keyCode); |
| } |
| |
| // Visible for testing. |
| /*package*/ boolean isCompletedToken(CharSequence text) { |
| if (TextUtils.isEmpty(text)) { |
| return false; |
| } |
| // Check to see if this is a completed token before filtering. |
| int end = text.length(); |
| int start = mTokenizer.findTokenStart(text, end); |
| String token = text.toString().substring(start, end).trim(); |
| if (!TextUtils.isEmpty(token)) { |
| char atEnd = token.charAt(token.length() - 1); |
| return atEnd == COMMIT_CHAR_COMMA || atEnd == COMMIT_CHAR_SEMICOLON; |
| } |
| return false; |
| } |
| |
| /** |
| * Clears the selected chip if there is one (and dismissing any popups related to the selected |
| * chip in the process). |
| */ |
| public void clearSelectedChip() { |
| if (mSelectedChip != null) { |
| unselectChip(mSelectedChip); |
| mSelectedChip = null; |
| } |
| setCursorVisible(true); |
| setSelection(getText().length()); |
| } |
| |
| /** |
| * Monitor touch events in the RecipientEditTextView. |
| * If the view does not have focus, any tap on the view |
| * will just focus the view. If the view has focus, determine |
| * if the touch target is a recipient chip. If it is and the chip |
| * is not selected, select it and clear any other selected chips. |
| * If it isn't, then select that chip. |
| */ |
| @Override |
| public boolean onTouchEvent(@NonNull MotionEvent event) { |
| if (!isFocused()) { |
| // Ignore any chip taps until this view is focused. |
| return super.onTouchEvent(event); |
| } |
| boolean handled = super.onTouchEvent(event); |
| int action = event.getAction(); |
| boolean chipWasSelected = false; |
| if (mSelectedChip == null) { |
| mGestureDetector.onTouchEvent(event); |
| } |
| if (mCopyAddress == null && action == MotionEvent.ACTION_UP) { |
| float x = event.getX(); |
| float y = event.getY(); |
| int offset = putOffsetInRange(x, y); |
| DrawableRecipientChip currentChip = findChip(offset); |
| if (currentChip != null) { |
| if (mSelectedChip != null && mSelectedChip != currentChip) { |
| clearSelectedChip(); |
| selectChip(currentChip); |
| } else if (mSelectedChip == null) { |
| commitDefault(); |
| selectChip(currentChip); |
| } else { |
| onClick(mSelectedChip); |
| } |
| chipWasSelected = true; |
| handled = true; |
| } else if (mSelectedChip != null && shouldShowEditableText(mSelectedChip)) { |
| chipWasSelected = true; |
| } |
| } |
| if (action == MotionEvent.ACTION_UP && !chipWasSelected) { |
| clearSelectedChip(); |
| } |
| return handled; |
| } |
| |
| private void showAlternates(final DrawableRecipientChip currentChip, |
| final ListPopupWindow alternatesPopup) { |
| new AsyncTask<Void, Void, ListAdapter>() { |
| @Override |
| protected ListAdapter doInBackground(final Void... params) { |
| return createAlternatesAdapter(currentChip); |
| } |
| |
| @Override |
| protected void onPostExecute(final ListAdapter result) { |
| if (!mAttachedToWindow) { |
| return; |
| } |
| int line = getLayout().getLineForOffset(getChipStart(currentChip)); |
| int bottomOffset = calculateOffsetFromBottomToTop(line); |
| |
| // Align the alternates popup with the left side of the View, |
| // regardless of the position of the chip tapped. |
| alternatesPopup.setAnchorView((mAlternatePopupAnchor != null) ? |
| mAlternatePopupAnchor : RecipientEditTextView.this); |
| alternatesPopup.setVerticalOffset(bottomOffset); |
| alternatesPopup.setAdapter(result); |
| alternatesPopup.setOnItemClickListener(mAlternatesListener); |
| // Clear the checked item. |
| mCheckedItem = -1; |
| alternatesPopup.show(); |
| ListView listView = alternatesPopup.getListView(); |
| listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); |
| // Checked item would be -1 if the adapter has not |
| // loaded the view that should be checked yet. The |
| // variable will be set correctly when onCheckedItemChanged |
| // is called in a separate thread. |
| if (mCheckedItem != -1) { |
| listView.setItemChecked(mCheckedItem, true); |
| mCheckedItem = -1; |
| } |
| } |
| }.execute((Void[]) null); |
| } |
| |
| private ListAdapter createAlternatesAdapter(DrawableRecipientChip chip) { |
| return new RecipientAlternatesAdapter(getContext(), chip.getContactId(), |
| chip.getDirectoryId(), chip.getLookupKey(), chip.getDataId(), |
| getAdapter().getQueryType(), this, mDropdownChipLayouter, |
| constructStateListDeleteDrawable()); |
| } |
| |
| private ListAdapter createSingleAddressAdapter(DrawableRecipientChip currentChip) { |
| return new SingleRecipientArrayAdapter(getContext(), currentChip.getEntry(), |
| mDropdownChipLayouter, constructStateListDeleteDrawable()); |
| } |
| |
| private StateListDrawable constructStateListDeleteDrawable() { |
| // Construct the StateListDrawable from deleteDrawable |
| StateListDrawable deleteDrawable = new StateListDrawable(); |
| if (!mDisableDelete) { |
| deleteDrawable.addState(new int[]{android.R.attr.state_activated}, mChipDelete); |
| } |
| deleteDrawable.addState(new int[0], null); |
| return deleteDrawable; |
| } |
| |
| @Override |
| public void onCheckedItemChanged(int position) { |
| ListView listView = mAlternatesPopup.getListView(); |
| if (listView != null && listView.getCheckedItemCount() == 0) { |
| listView.setItemChecked(position, true); |
| } |
| mCheckedItem = position; |
| } |
| |
| private int putOffsetInRange(final float x, final float y) { |
| final int offset; |
| |
| if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.ICE_CREAM_SANDWICH) { |
| offset = getOffsetForPosition(x, y); |
| } else { |
| offset = supportGetOffsetForPosition(x, y); |
| } |
| |
| return putOffsetInRange(offset); |
| } |
| |
| // TODO: This algorithm will need a lot of tweaking after more people have used |
| // the chips ui. This attempts to be "forgiving" to fat finger touches by favoring |
| // what comes before the finger. |
| private int putOffsetInRange(int o) { |
| int offset = o; |
| Editable text = getText(); |
| int length = text.length(); |
| // Remove whitespace from end to find "real end" |
| int realLength = length; |
| for (int i = length - 1; i >= 0; i--) { |
| if (text.charAt(i) == ' ') { |
| realLength--; |
| } else { |
| break; |
| } |
| } |
| |
| // If the offset is beyond or at the end of the text, |
| // leave it alone. |
| if (offset >= realLength) { |
| return offset; |
| } |
| Editable editable = getText(); |
| while (offset >= 0 && findText(editable, offset) == -1 && findChip(offset) == null) { |
| // Keep walking backward! |
| offset--; |
| } |
| return offset; |
| } |
| |
| private static int findText(Editable text, int offset) { |
| if (text.charAt(offset) != ' ') { |
| return offset; |
| } |
| return -1; |
| } |
| |
| private DrawableRecipientChip findChip(int offset) { |
| final Spannable span = getSpannable(); |
| final DrawableRecipientChip[] chips = |
| span.getSpans(0, span.length(), DrawableRecipientChip.class); |
| // Find the chip that contains this offset. |
| for (DrawableRecipientChip chip : chips) { |
| int start = getChipStart(chip); |
| int end = getChipEnd(chip); |
| if (offset >= start && offset <= end) { |
| return chip; |
| } |
| } |
| return null; |
| } |
| |
| // Visible for testing. |
| // Use this method to generate text to add to the list of addresses. |
| /* package */String createAddressText(RecipientEntry entry) { |
| String display = entry.getDisplayName(); |
| String address = entry.getDestination(); |
| if (TextUtils.isEmpty(display) || TextUtils.equals(display, address)) { |
| display = null; |
| } |
| String trimmedDisplayText; |
| if (isPhoneQuery() && isPhoneNumber(address)) { |
| trimmedDisplayText = address.trim(); |
| } else { |
| if (address != null) { |
| // Tokenize out the address in case the address already |
| // contained the username as well. |
| Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(address); |
| if (tokenized != null && tokenized.length > 0) { |
| address = tokenized[0].getAddress(); |
| } |
| } |
| Rfc822Token token = new Rfc822Token(display, address, null); |
| trimmedDisplayText = token.toString().trim(); |
| } |
| int index = trimmedDisplayText.indexOf(","); |
| return mTokenizer != null && !TextUtils.isEmpty(trimmedDisplayText) |
| && index < trimmedDisplayText.length() - 1 ? (String) mTokenizer |
| .terminateToken(trimmedDisplayText) : trimmedDisplayText; |
| } |
| |
| // Visible for testing. |
| // Use this method to generate text to display in a chip. |
| /*package*/ String createChipDisplayText(RecipientEntry entry) { |
| String display = entry.getDisplayName(); |
| String address = entry.getDestination(); |
| if (TextUtils.isEmpty(display) || TextUtils.equals(display, address)) { |
| display = null; |
| } |
| if (!TextUtils.isEmpty(display)) { |
| return display; |
| } else if (!TextUtils.isEmpty(address)){ |
| return address; |
| } else { |
| return new Rfc822Token(display, address, null).toString(); |
| } |
| } |
| |
| private CharSequence createChip(RecipientEntry entry) { |
| final String displayText = createAddressText(entry); |
| if (TextUtils.isEmpty(displayText)) { |
| return null; |
| } |
| // Always leave a blank space at the end of a chip. |
| final int textLength = displayText.length() - 1; |
| final SpannableString chipText = new SpannableString(displayText); |
| if (!mNoChips) { |
| try { |
| DrawableRecipientChip chip = constructChipSpan(entry); |
| chipText.setSpan(chip, 0, textLength, |
| Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); |
| chip.setOriginalText(chipText.toString()); |
| } catch (NullPointerException e) { |
| Log.e(TAG, e.getMessage(), e); |
| return null; |
| } |
| } |
| onChipCreated(entry); |
| return chipText; |
| } |
| |
| /** |
| * A callback for subclasses to use to know when a chip was created with the |
| * given RecipientEntry. |
| */ |
| protected void onChipCreated(RecipientEntry entry) {} |
| |
| /** |
| * When an item in the suggestions list has been clicked, create a chip from the |
| * contact information of the selected item. |
| */ |
| @Override |
| public void onItemClick(AdapterView<?> parent, View view, int position, long id) { |
| if (position < 0) { |
| return; |
| } |
| |
| final int charactersTyped = submitItemAtPosition(position); |
| if (charactersTyped > -1 && mRecipientEntryItemClickedListener != null) { |
| mRecipientEntryItemClickedListener |
| .onRecipientEntryItemClicked(charactersTyped, position); |
| } |
| } |
| |
| private int submitItemAtPosition(int position) { |
| RecipientEntry entry = createValidatedEntry(getAdapter().getItem(position)); |
| if (entry == null) { |
| return -1; |
| } |
| clearComposingText(); |
| |
| int end = getSelectionEnd(); |
| int start = mTokenizer.findTokenStart(getText(), end); |
| |
| Editable editable = getText(); |
| QwertyKeyListener.markAsReplaced(editable, start, end, ""); |
| CharSequence chip = createChip(entry); |
| if (chip != null && start >= 0 && end >= 0) { |
| editable.replace(start, end, chip); |
| } |
| sanitizeBetween(); |
| |
| return end - start; |
| } |
| |
| private RecipientEntry createValidatedEntry(RecipientEntry item) { |
| if (item == null) { |
| return null; |
| } |
| final RecipientEntry entry; |
| // If the display name and the address are the same, or if this is a |
| // valid contact, but the destination is invalid, then make this a fake |
| // recipient that is editable. |
| String destination = item.getDestination(); |
| if (!isPhoneQuery() && item.getContactId() == RecipientEntry.GENERATED_CONTACT) { |
| entry = RecipientEntry.constructGeneratedEntry(item.getDisplayName(), |
| destination, item.isValid()); |
| } else if (RecipientEntry.isCreatedRecipient(item.getContactId()) |
| && (TextUtils.isEmpty(item.getDisplayName()) |
| || TextUtils.equals(item.getDisplayName(), destination) |
| || (mValidator != null && !mValidator.isValid(destination)))) { |
| entry = RecipientEntry.constructFakeEntry(destination, item.isValid()); |
| } else { |
| entry = item; |
| } |
| return entry; |
| } |
| |
| // Visible for testing. |
| /* package */DrawableRecipientChip[] getSortedRecipients() { |
| DrawableRecipientChip[] recips = getSpannable() |
| .getSpans(0, getText().length(), DrawableRecipientChip.class); |
| ArrayList<DrawableRecipientChip> recipientsList = new ArrayList<DrawableRecipientChip>( |
| Arrays.asList(recips)); |
| final Spannable spannable = getSpannable(); |
| Collections.sort(recipientsList, new Comparator<DrawableRecipientChip>() { |
| |
| @Override |
| public int compare(DrawableRecipientChip first, DrawableRecipientChip second) { |
| int firstStart = spannable.getSpanStart(first); |
| int secondStart = spannable.getSpanStart(second); |
| if (firstStart < secondStart) { |
| return -1; |
| } else if (firstStart > secondStart) { |
| return 1; |
| } else { |
| return 0; |
| } |
| } |
| }); |
| return recipientsList.toArray(new DrawableRecipientChip[recipientsList.size()]); |
| } |
| |
| @Override |
| public boolean onActionItemClicked(ActionMode mode, MenuItem item) { |
| return false; |
| } |
| |
| @Override |
| public void onDestroyActionMode(ActionMode mode) { |
| } |
| |
| @Override |
| public boolean onPrepareActionMode(ActionMode mode, Menu menu) { |
| return false; |
| } |
| |
| /** |
| * No chips are selectable. |
| */ |
| @Override |
| public boolean onCreateActionMode(ActionMode mode, Menu menu) { |
| return false; |
| } |
| |
| // Visible for testing. |
| /* package */ReplacementDrawableSpan getMoreChip() { |
| MoreImageSpan[] moreSpans = getSpannable().getSpans(0, getText().length(), |
| MoreImageSpan.class); |
| return moreSpans != null && moreSpans.length > 0 ? moreSpans[0] : null; |
| } |
| |
| private MoreImageSpan createMoreSpan(int count) { |
| String moreText = String.format(mMoreItem.getText().toString(), count); |
| mWorkPaint.set(getPaint()); |
| mWorkPaint.setTextSize(mMoreItem.getTextSize()); |
| mWorkPaint.setColor(mMoreItem.getCurrentTextColor()); |
| final int width = (int) mWorkPaint.measureText(moreText) + mMoreItem.getPaddingLeft() |
| + mMoreItem.getPaddingRight(); |
| final int height = (int) mChipHeight; |
| Bitmap drawable = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); |
| Canvas canvas = new Canvas(drawable); |
| int adjustedHeight = height; |
| Layout layout = getLayout(); |
| if (layout != null) { |
| adjustedHeight -= layout.getLineDescent(0); |
| } |
| canvas.drawText(moreText, 0, moreText.length(), 0, adjustedHeight, mWorkPaint); |
| |
| Drawable result = new BitmapDrawable(getResources(), drawable); |
| result.setBounds(0, 0, width, height); |
| return new MoreImageSpan(result); |
| } |
| |
| // Visible for testing. |
| /*package*/ void createMoreChipPlainText() { |
| // Take the first <= CHIP_LIMIT addresses and get to the end of the second one. |
| Editable text = getText(); |
| int start = 0; |
| int end = start; |
| for (int i = 0; i < CHIP_LIMIT; i++) { |
| end = movePastTerminators(mTokenizer.findTokenEnd(text, start)); |
| start = end; // move to the next token and get its end. |
| } |
| // Now, count total addresses. |
| int tokenCount = countTokens(text); |
| MoreImageSpan moreSpan = createMoreSpan(tokenCount - CHIP_LIMIT); |
| SpannableString chipText = new SpannableString(text.subSequence(end, text.length())); |
| chipText.setSpan(moreSpan, 0, chipText.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); |
| text.replace(end, text.length(), chipText); |
| mMoreChip = moreSpan; |
| } |
| |
| // Visible for testing. |
| /* package */int countTokens(Editable text) { |
| int tokenCount = 0; |
| int start = 0; |
| while (start < text.length()) { |
| start = movePastTerminators(mTokenizer.findTokenEnd(text, start)); |
| tokenCount++; |
| if (start >= text.length()) { |
| break; |
| } |
| } |
| return tokenCount; |
| } |
| |
| /** |
| * Create the more chip. The more chip is text that replaces any chips that |
| * do not fit in the pre-defined available space when the |
| * RecipientEditTextView loses focus. |
| */ |
| // Visible for testing. |
| /* package */ void createMoreChip() { |
| if (mNoChips) { |
| createMoreChipPlainText(); |
| return; |
| } |
| |
| if (!mShouldShrink) { |
| return; |
| } |
| ReplacementDrawableSpan[] tempMore = getSpannable().getSpans(0, getText().length(), |
| MoreImageSpan.class); |
| if (tempMore.length > 0) { |
| getSpannable().removeSpan(tempMore[0]); |
| } |
| DrawableRecipientChip[] recipients = getSortedRecipients(); |
| |
| if (recipients == null || recipients.length <= CHIP_LIMIT) { |
| mMoreChip = null; |
| return; |
| } |
| Spannable spannable = getSpannable(); |
| int numRecipients = recipients.length; |
| int overage = numRecipients - CHIP_LIMIT; |
| MoreImageSpan moreSpan = createMoreSpan(overage); |
| mRemovedSpans = new ArrayList<DrawableRecipientChip>(); |
| int totalReplaceStart = 0; |
| int totalReplaceEnd = 0; |
| Editable text = getText(); |
| for (int i = numRecipients - overage; i < recipients.length; i++) { |
| mRemovedSpans.add(recipients[i]); |
| if (i == numRecipients - overage) { |
| totalReplaceStart = spannable.getSpanStart(recipients[i]); |
| } |
| if (i == recipients.length - 1) { |
| totalReplaceEnd = spannable.getSpanEnd(recipients[i]); |
| } |
| if (mTemporaryRecipients == null || !mTemporaryRecipients.contains(recipients[i])) { |
| int spanStart = spannable.getSpanStart(recipients[i]); |
| int spanEnd = spannable.getSpanEnd(recipients[i]); |
| recipients[i].setOriginalText(text.toString().substring(spanStart, spanEnd)); |
| } |
| spannable.removeSpan(recipients[i]); |
| } |
| if (totalReplaceEnd < text.length()) { |
| totalReplaceEnd = text.length(); |
| } |
| int end = Math.max(totalReplaceStart, totalReplaceEnd); |
| int start = Math.min(totalReplaceStart, totalReplaceEnd); |
| SpannableString chipText = new SpannableString(text.subSequence(start, end)); |
| chipText.setSpan(moreSpan, 0, chipText.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); |
| text.replace(start, end, chipText); |
| mMoreChip = moreSpan; |
| // If adding the +more chip goes over the limit, resize accordingly. |
| if (!isPhoneQuery() && getLineCount() > mMaxLines) { |
| setMaxLines(getLineCount()); |
| } |
| } |
| |
| /** |
| * Replace the more chip, if it exists, with all of the recipient chips it had |
| * replaced when the RecipientEditTextView gains focus. |
| */ |
| // Visible for testing. |
| /*package*/ void removeMoreChip() { |
| if (mMoreChip != null) { |
| Spannable span = getSpannable(); |
| span.removeSpan(mMoreChip); |
| mMoreChip = null; |
| // Re-add the spans that were removed. |
| if (mRemovedSpans != null && mRemovedSpans.size() > 0) { |
| // Recreate each removed span. |
| DrawableRecipientChip[] recipients = getSortedRecipients(); |
| // Start the search for tokens after the last currently visible |
| // chip. |
| if (recipients == null || recipients.length == 0) { |
| return; |
| } |
| int end = span.getSpanEnd(recipients[recipients.length - 1]); |
| Editable editable = getText(); |
| for (DrawableRecipientChip chip : mRemovedSpans) { |
| int chipStart; |
| int chipEnd; |
| String token; |
| // Need to find the location of the chip, again. |
| token = (String) chip.getOriginalText(); |
| // As we find the matching recipient for the remove spans, |
| // reduce the size of the string we need to search. |
| // That way, if there are duplicates, we always find the correct |
| // recipient. |
| chipStart = editable.toString().indexOf(token, end); |
| end = chipEnd = Math.min(editable.length(), chipStart + token.length()); |
| // Only set the span if we found a matching token. |
| if (chipStart != -1) { |
| editable.setSpan(chip, chipStart, chipEnd, |
| Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); |
| } |
| } |
| mRemovedSpans.clear(); |
| } |
| } |
| } |
| |
| /** |
| * Show specified chip as selected. If the RecipientChip is just an email address, |
| * selecting the chip will take the contents of the chip and place it at |
| * the end of the RecipientEditTextView for inline editing. If the |
| * RecipientChip is a complete contact, then selecting the chip |
| * will show a popup window with the address in use highlighted and any other |
| * alternate addresses for the contact. |
| * @param currentChip Chip to select. |
| */ |
| private void selectChip(DrawableRecipientChip currentChip) { |
| if (shouldShowEditableText(currentChip)) { |
| CharSequence text = currentChip.getValue(); |
| Editable editable = getText(); |
| Spannable spannable = getSpannable(); |
| int spanStart = spannable.getSpanStart(currentChip); |
| int spanEnd = spannable.getSpanEnd(currentChip); |
| spannable.removeSpan(currentChip); |
| // Don't need leading space if it's the only chip |
| if (spanEnd - spanStart == editable.length() - 1) { |
| spanEnd++; |
| } |
| editable.delete(spanStart, spanEnd); |
| setCursorVisible(true); |
| setSelection(editable.length()); |
| editable.append(text); |
| mSelectedChip = constructChipSpan( |
| RecipientEntry.constructFakeEntry((String) text, isValid(text.toString()))); |
| } else { |
| final boolean showAddress = |
| currentChip.getContactId() == RecipientEntry.GENERATED_CONTACT || |
| getAdapter().forceShowAddress(); |
| if (showAddress && mNoChips) { |
| return; |
| } |
| mSelectedChip = currentChip; |
| setSelection(getText().getSpanEnd(mSelectedChip)); |
| setCursorVisible(false); |
| |
| if (showAddress) { |
| showAddress(currentChip, mAddressPopup); |
| } else { |
| showAlternates(currentChip, mAlternatesPopup); |
| } |
| } |
| } |
| |
| private boolean shouldShowEditableText(DrawableRecipientChip currentChip) { |
| long contactId = currentChip.getContactId(); |
| return contactId == RecipientEntry.INVALID_CONTACT |
| || (!isPhoneQuery() && contactId == RecipientEntry.GENERATED_CONTACT); |
| } |
| |
| private void showAddress(final DrawableRecipientChip currentChip, final ListPopupWindow popup) { |
| if (!mAttachedToWindow) { |
| return; |
| } |
| int line = getLayout().getLineForOffset(getChipStart(currentChip)); |
| int bottomOffset = calculateOffsetFromBottomToTop(line); |
| // Align the alternates popup with the left side of the View, |
| // regardless of the position of the chip tapped. |
| popup.setAnchorView((mAlternatePopupAnchor != null) ? mAlternatePopupAnchor : this); |
| popup.setVerticalOffset(bottomOffset); |
| popup.setAdapter(createSingleAddressAdapter(currentChip)); |
| popup.setOnItemClickListener(new OnItemClickListener() { |
| @Override |
| public void onItemClick(AdapterView<?> parent, View view, int position, long id) { |
| unselectChip(currentChip); |
| popup.dismiss(); |
| } |
| }); |
| popup.show(); |
| ListView listView = popup.getListView(); |
| listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); |
| listView.setItemChecked(0, true); |
| } |
| |
| /** |
| * Remove selection from this chip. Unselecting a RecipientChip will render |
| * the chip without a delete icon and with an unfocused background. This is |
| * called when the RecipientChip no longer has focus. |
| */ |
| private void unselectChip(DrawableRecipientChip chip) { |
| int start = getChipStart(chip); |
| int end = getChipEnd(chip); |
| Editable editable = getText(); |
| mSelectedChip = null; |
| if (start == -1 || end == -1) { |
| Log.w(TAG, "The chip doesn't exist or may be a chip a user was editing"); |
| setSelection(editable.length()); |
| commitDefault(); |
| } else { |
| getSpannable().removeSpan(chip); |
| QwertyKeyListener.markAsReplaced(editable, start, end, ""); |
| editable.removeSpan(chip); |
| try { |
| if (!mNoChips) { |
| editable.setSpan(constructChipSpan(chip.getEntry()), |
| start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); |
| } |
| } catch (NullPointerException e) { |
| Log.e(TAG, e.getMessage(), e); |
| } |
| } |
| setCursorVisible(true); |
| setSelection(editable.length()); |
| if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { |
| mAlternatesPopup.dismiss(); |
| } |
| } |
| |
| @Override |
| public void onChipDelete() { |
| if (mSelectedChip != null) { |
| removeChip(mSelectedChip); |
| } |
| dismissPopups(); |
| } |
| |
| private void dismissPopups() { |
| if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { |
| mAlternatesPopup.dismiss(); |
| } |
| if (mAddressPopup != null && mAddressPopup.isShowing()) { |
| mAddressPopup.dismiss(); |
| } |
| setSelection(getText().length()); |
| } |
| |
| /** |
| * Remove the chip and any text associated with it from the RecipientEditTextView. |
| */ |
| // Visible for testing. |
| /* package */void removeChip(DrawableRecipientChip chip) { |
| Spannable spannable = getSpannable(); |
| int spanStart = spannable.getSpanStart(chip); |
| int spanEnd = spannable.getSpanEnd(chip); |
| Editable text = getText(); |
| int toDelete = spanEnd; |
| boolean wasSelected = chip == mSelectedChip; |
| // Clear that there is a selected chip before updating any text. |
| if (wasSelected) { |
| mSelectedChip = null; |
| } |
| // Always remove trailing spaces when removing a chip. |
| while (toDelete >= 0 && toDelete < text.length() && text.charAt(toDelete) == ' ') { |
| toDelete++; |
| } |
| spannable.removeSpan(chip); |
| if (spanStart >= 0 && toDelete > 0) { |
| text.delete(spanStart, toDelete); |
| } |
| if (wasSelected) { |
| clearSelectedChip(); |
| } |
| } |
| |
| /** |
| * Replace this currently selected chip with a new chip |
| * that uses the contact data provided. |
| */ |
| // Visible for testing. |
| /*package*/ void replaceChip(DrawableRecipientChip chip, RecipientEntry entry) { |
| boolean wasSelected = chip == mSelectedChip; |
| if (wasSelected) { |
| mSelectedChip = null; |
| } |
| int start = getChipStart(chip); |
| int end = getChipEnd(chip); |
| getSpannable().removeSpan(chip); |
| Editable editable = getText(); |
| CharSequence chipText = createChip(entry); |
| if (chipText != null) { |
| if (start == -1 || end == -1) { |
| Log.e(TAG, "The chip to replace does not exist but should."); |
| editable.insert(0, chipText); |
| } else { |
| if (!TextUtils.isEmpty(chipText)) { |
| // There may be a space to replace with this chip's new |
| // associated space. Check for it |
| int toReplace = end; |
| while (toReplace >= 0 && toReplace < editable.length() |
| && editable.charAt(toReplace) == ' ') { |
| toReplace++; |
| } |
| editable.replace(start, toReplace, chipText); |
| } |
| } |
| } |
| setCursorVisible(true); |
| if (wasSelected) { |
| clearSelectedChip(); |
| } |
| } |
| |
| /** |
| * Handle click events for a chip. When a selected chip receives a click |
| * event, see if that event was in the delete icon. If so, delete it. |
| * Otherwise, unselect the chip. |
| */ |
| public void onClick(DrawableRecipientChip chip) { |
| if (chip.isSelected()) { |
| clearSelectedChip(); |
| } |
| } |
| |
| private boolean chipsPending() { |
| return mPendingChipsCount > 0 || (mRemovedSpans != null && mRemovedSpans.size() > 0); |
| } |
| |
| @Override |
| public void removeTextChangedListener(TextWatcher watcher) { |
| mTextWatcher = null; |
| super.removeTextChangedListener(watcher); |
| } |
| |
| private boolean isValidEmailAddress(String input) { |
| return !TextUtils.isEmpty(input) && mValidator != null && |
| mValidator.isValid(input); |
| } |
| |
| private class RecipientTextWatcher implements TextWatcher { |
| |
| @Override |
| public void afterTextChanged(Editable s) { |
| // If the text has been set to null or empty, make sure we remove |
| // all the spans we applied. |
| if (TextUtils.isEmpty(s)) { |
| // Remove all the chips spans. |
| Spannable spannable = getSpannable(); |
| DrawableRecipientChip[] chips = spannable.getSpans(0, getText().length(), |
| DrawableRecipientChip.class); |
| for (DrawableRecipientChip chip : chips) { |
| spannable.removeSpan(chip); |
| } |
| if (mMoreChip != null) { |
| spannable.removeSpan(mMoreChip); |
| } |
| clearSelectedChip(); |
| return; |
| } |
| // Get whether there are any recipients pending addition to the |
| // view. If there are, don't do anything in the text watcher. |
| if (chipsPending()) { |
| return; |
| } |
| // If the user is editing a chip, don't clear it. |
| if (mSelectedChip != null) { |
| if (!isGeneratedContact(mSelectedChip)) { |
| setCursorVisible(true); |
| setSelection(getText().length()); |
| clearSelectedChip(); |
| } else { |
| return; |
| } |
| } |
| int length = s.length(); |
| // Make sure there is content there to parse and that it is |
| // not just the commit character. |
| if (length > 1) { |
| if (lastCharacterIsCommitCharacter(s)) { |
| commitByCharacter(); |
| return; |
| } |
| char last; |
| int end = getSelectionEnd() == 0 ? 0 : getSelectionEnd() - 1; |
| int len = length() - 1; |
| if (end != len) { |
| last = s.charAt(end); |
| } else { |
| last = s.charAt(len); |
| } |
| if (last == COMMIT_CHAR_SPACE) { |
| if (!isPhoneQuery()) { |
| // Check if this is a valid email address. If it is, |
| // commit it. |
| String text = getText().toString(); |
| int tokenStart = mTokenizer.findTokenStart(text, getSelectionEnd()); |
| String sub = text.substring(tokenStart, mTokenizer.findTokenEnd(text, |
| tokenStart)); |
| if (isValidEmailAddress(sub)) { |
| commitByCharacter(); |
| } |
| } |
| } |
| } |
| } |
| |
| @Override |
| public void onTextChanged(CharSequence s, int start, int before, int count) { |
| // The user deleted some text OR some text was replaced; check to |
| // see if the insertion point is on a space |
| // following a chip. |
| if (before - count == 1) { |
| // If the item deleted is a space, and the thing before the |
| // space is a chip, delete the entire span. |
| int selStart = getSelectionStart(); |
| DrawableRecipientChip[] repl = getSpannable().getSpans(selStart, selStart, |
| DrawableRecipientChip.class); |
| if (repl.length > 0) { |
| // There is a chip there! Just remove it. |
| DrawableRecipientChip toDelete = repl[0]; |
| Editable editable = getText(); |
| // Add the separator token. |
| int deleteStart = editable.getSpanStart(toDelete); |
| int deleteEnd = editable.getSpanEnd(toDelete) + 1; |
| if (deleteEnd > editable.length()) { |
| deleteEnd = editable.length(); |
| } |
| editable.removeSpan(toDelete); |
| editable.delete(deleteStart, deleteEnd); |
| } |
| } else if (count > before) { |
| if (mSelectedChip != null |
| && isGeneratedContact(mSelectedChip)) { |
| if (lastCharacterIsCommitCharacter(s)) { |
| commitByCharacter(); |
| return; |
| } |
| } |
| } |
| } |
| |
| @Override |
| public void beforeTextChanged(CharSequence s, int start, int count, int after) { |
| // Do nothing. |
| } |
| } |
| |
| public boolean lastCharacterIsCommitCharacter(CharSequence s) { |
| char last; |
| int end = getSelectionEnd() == 0 ? 0 : getSelectionEnd() - 1; |
| int len = length() - 1; |
| if (end != len) { |
| last = s.charAt(end); |
| } else { |
| last = s.charAt(len); |
| } |
| return last == COMMIT_CHAR_COMMA || last == COMMIT_CHAR_SEMICOLON; |
| } |
| |
| public boolean isGeneratedContact(DrawableRecipientChip chip) { |
| long contactId = chip.getContactId(); |
| return contactId == RecipientEntry.INVALID_CONTACT |
| || (!isPhoneQuery() && contactId == RecipientEntry.GENERATED_CONTACT); |
| } |
| |
| /** |
| * Handles pasting a {@link ClipData} to this {@link RecipientEditTextView}. |
| */ |
| // Visible for testing. |
| void handlePasteClip(ClipData clip) { |
| if (clip == null) { |
| // Do nothing. |
| return; |
| } |
| |
| final ClipDescription clipDesc = clip.getDescription(); |
| boolean containsSupportedType = clipDesc.hasMimeType(ClipDescription.MIMETYPE_TEXT_PLAIN) || |
| clipDesc.hasMimeType(ClipDescription.MIMETYPE_TEXT_HTML); |
| if (!containsSupportedType) { |
| return; |
| } |
| |
| removeTextChangedListener(mTextWatcher); |
| |
| final ClipDescription clipDescription = clip.getDescription(); |
| for (int i = 0; i < clip.getItemCount(); i++) { |
| final String mimeType = clipDescription.getMimeType(i); |
| final boolean supportedType = ClipDescription.MIMETYPE_TEXT_PLAIN.equals(mimeType) || |
| ClipDescription.MIMETYPE_TEXT_HTML.equals(mimeType); |
| if (!supportedType) { |
| // Only plain text and html can be pasted. |
| continue; |
| } |
| |
| final CharSequence pastedItem = clip.getItemAt(i).getText(); |
| if (!TextUtils.isEmpty(pastedItem)) { |
| final Editable editable = getText(); |
| final int start = getSelectionStart(); |
| final int end = getSelectionEnd(); |
| if (start < 0 || end < 1) { |
| // No selection. |
| editable.append(pastedItem); |
| } else if (start == end) { |
| // Insert at position. |
| editable.insert(start, pastedItem); |
| } else { |
| editable.append(pastedItem, start, end); |
| } |
| handlePasteAndReplace(); |
| } |
| } |
| |
| mHandler.post(mAddTextWatcher); |
| } |
| |
| @Override |
| public boolean onTextContextMenuItem(int id) { |
| if (id == android.R.id.paste) { |
| ClipboardManager clipboard = (ClipboardManager) getContext().getSystemService( |
| Context.CLIPBOARD_SERVICE); |
| handlePasteClip(clipboard.getPrimaryClip()); |
| return true; |
| } |
| return super.onTextContextMenuItem(id); |
| } |
| |
| private void handlePasteAndReplace() { |
| ArrayList<DrawableRecipientChip> created = handlePaste(); |
| if (created != null && created.size() > 0) { |
| // Perform reverse lookups on the pasted contacts. |
| IndividualReplacementTask replace = new IndividualReplacementTask(); |
| replace.execute(created); |
| } |
| } |
| |
| // Visible for testing. |
| /* package */ArrayList<DrawableRecipientChip> handlePaste() { |
| String text = getText().toString(); |
| int originalTokenStart = mTokenizer.findTokenStart(text, getSelectionEnd()); |
| String lastAddress = text.substring(originalTokenStart); |
| int tokenStart = originalTokenStart; |
| int prevTokenStart = 0; |
| DrawableRecipientChip findChip = null; |
| ArrayList<DrawableRecipientChip> created = new ArrayList<DrawableRecipientChip>(); |
| if (tokenStart != 0) { |
| // There are things before this! |
| while (tokenStart != 0 && findChip == null && tokenStart != prevTokenStart) { |
| prevTokenStart = tokenStart; |
| tokenStart = mTokenizer.findTokenStart(text, tokenStart); |
| findChip = findChip(tokenStart); |
| if (tokenStart == originalTokenStart && findChip == null) { |
| break; |
| } |
| } |
| if (tokenStart != originalTokenStart) { |
| if (findChip != null) { |
| tokenStart = prevTokenStart; |
| } |
| int tokenEnd; |
| DrawableRecipientChip createdChip; |
| while (tokenStart < originalTokenStart) { |
| tokenEnd = movePastTerminators(mTokenizer.findTokenEnd(getText().toString(), |
| tokenStart)); |
| commitChip(tokenStart, tokenEnd, getText()); |
| createdChip = findChip(tokenStart); |
| if (createdChip == null) { |
| break; |
| } |
| // +1 for the space at the end. |
| tokenStart = getSpannable().getSpanEnd(createdChip) + 1; |
| created.add(createdChip); |
| } |
| } |
| } |
| // Take a look at the last token. If the token has been completed with a |
| // commit character, create a chip. |
| if (isCompletedToken(lastAddress)) { |
| Editable editable = getText(); |
| tokenStart = editable.toString().indexOf(lastAddress, originalTokenStart); |
| commitChip(tokenStart, editable.length(), editable); |
| created.add(findChip(tokenStart)); |
| } |
| return created; |
| } |
| |
| // Visible for testing. |
| /* package */int movePastTerminators(int tokenEnd) { |
| if (tokenEnd >= length()) { |
| return tokenEnd; |
| } |
| char atEnd = getText().toString().charAt(tokenEnd); |
| if (atEnd == COMMIT_CHAR_COMMA || atEnd == COMMIT_CHAR_SEMICOLON) { |
| tokenEnd++; |
| } |
| // This token had not only an end token character, but also a space |
| // separating it from the next token. |
| if (tokenEnd < length() && getText().toString().charAt(tokenEnd) == ' ') { |
| tokenEnd++; |
| } |
| return tokenEnd; |
| } |
| |
| private class RecipientReplacementTask extends AsyncTask<Void, Void, Void> { |
| private DrawableRecipientChip createFreeChip(RecipientEntry entry) { |
| try { |
| if (mNoChips) { |
| return null; |
| } |
| return constructChipSpan(entry); |
| } catch (NullPointerException e) { |
| Log.e(TAG, e.getMessage(), e); |
| return null; |
| } |
| } |
| |
| @Override |
| protected void onPreExecute() { |
| // Ensure everything is in chip-form already, so we don't have text that slowly gets |
| // replaced |
| final List<DrawableRecipientChip> originalRecipients = |
| new ArrayList<DrawableRecipientChip>(); |
| final DrawableRecipientChip[] existingChips = getSortedRecipients(); |
| Collections.addAll(originalRecipients, existingChips); |
| if (mRemovedSpans != null) { |
| originalRecipients.addAll(mRemovedSpans); |
| } |
| |
| final List<DrawableRecipientChip> replacements = |
| new ArrayList<DrawableRecipientChip>(originalRecipients.size()); |
| |
| for (final DrawableRecipientChip chip : originalRecipients) { |
| if (RecipientEntry.isCreatedRecipient(chip.getEntry().getContactId()) |
| && getSpannable().getSpanStart(chip) != -1) { |
| replacements.add(createFreeChip(chip.getEntry())); |
| } else { |
| replacements.add(null); |
| } |
| } |
| |
| processReplacements(originalRecipients, replacements); |
| } |
| |
| @Override |
| protected Void doInBackground(Void... params) { |
| if (mIndividualReplacements != null) { |
| mIndividualReplacements.cancel(true); |
| } |
| // For each chip in the list, look up the matching contact. |
| // If there is a match, replace that chip with the matching |
| // chip. |
| final ArrayList<DrawableRecipientChip> recipients = |
| new ArrayList<DrawableRecipientChip>(); |
| DrawableRecipientChip[] existingChips = getSortedRecipients(); |
| Collections.addAll(recipients, existingChips); |
| if (mRemovedSpans != null) { |
| recipients.addAll(mRemovedSpans); |
| } |
| ArrayList<String> addresses = new ArrayList<String>(); |
| for (DrawableRecipientChip chip : recipients) { |
| if (chip != null) { |
| addresses.add(createAddressText(chip.getEntry())); |
| } |
| } |
| final BaseRecipientAdapter adapter = getAdapter(); |
| adapter.getMatchingRecipients(addresses, new RecipientMatchCallback() { |
| @Override |
| public void matchesFound(Map<String, RecipientEntry> entries) { |
| final ArrayList<DrawableRecipientChip> replacements = |
| new ArrayList<DrawableRecipientChip>(); |
| for (final DrawableRecipientChip temp : recipients) { |
| RecipientEntry entry = null; |
| if (temp != null && RecipientEntry.isCreatedRecipient( |
| temp.getEntry().getContactId()) |
| && getSpannable().getSpanStart(temp) != -1) { |
| // Replace this. |
| entry = createValidatedEntry( |
| entries.get(tokenizeAddress(temp.getEntry() |
| .getDestination()))); |
| } |
| if (entry != null) { |
| replacements.add(createFreeChip(entry)); |
| } else { |
| replacements.add(null); |
| } |
| } |
| processReplacements(recipients, replacements); |
| } |
| |
| @Override |
| public void matchesNotFound(final Set<String> unfoundAddresses) { |
| final List<DrawableRecipientChip> replacements = |
| new ArrayList<DrawableRecipientChip>(unfoundAddresses.size()); |
| |
| for (final DrawableRecipientChip temp : recipients) { |
| if (temp != null && RecipientEntry.isCreatedRecipient( |
| temp.getEntry().getContactId()) |
| && getSpannable().getSpanStart(temp) != -1) { |
| if (unfoundAddresses.contains( |
| temp.getEntry().getDestination())) { |
| replacements.add(createFreeChip(temp.getEntry())); |
| } else { |
| replacements.add(null); |
| } |
| } else { |
| replacements.add(null); |
| } |
| } |
| |
| processReplacements(recipients, replacements); |
| } |
| }); |
| return null; |
| } |
| |
| private void processReplacements(final List<DrawableRecipientChip> recipients, |
| final List<DrawableRecipientChip> replacements) { |
| if (replacements != null && replacements.size() > 0) { |
| final Runnable runnable = new Runnable() { |
| @Override |
| public void run() { |
| final Editable text = new SpannableStringBuilder(getText()); |
| int i = 0; |
| for (final DrawableRecipientChip chip : recipients) { |
| final DrawableRecipientChip replacement = replacements.get(i); |
| if (replacement != null) { |
| final RecipientEntry oldEntry = chip.getEntry(); |
| final RecipientEntry newEntry = replacement.getEntry(); |
| final boolean isBetter = |
| RecipientAlternatesAdapter.getBetterRecipient( |
| oldEntry, newEntry) == newEntry; |
| |
| if (isBetter) { |
| // Find the location of the chip in the text currently shown. |
| final int start = text.getSpanStart(chip); |
| if (start != -1) { |
| // Replacing the entirety of what the chip represented, |
| // including the extra space dividing it from other chips. |
| final int end = |
| Math.min(text.getSpanEnd(chip) + 1, text.length()); |
| text.removeSpan(chip); |
| // Make sure we always have just 1 space at the end to |
| // separate this chip from the next chip. |
| final SpannableString displayText = |
| new SpannableString(createAddressText( |
| replacement.getEntry()).trim() + " "); |
| displayText.setSpan(replacement, 0, |
| displayText.length() - 1, |
| Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); |
| // Replace the old text we found with with the new display |
| // text, which now may also contain the display name of the |
| // recipient. |
| text.replace(start, end, displayText); |
| replacement.setOriginalText(displayText.toString()); |
| replacements.set(i, null); |
| |
| recipients.set(i, replacement); |
| } |
| } |
| } |
| i++; |
| } |
| setText(text); |
| } |
| }; |
| |
| if (Looper.myLooper() == Looper.getMainLooper()) { |
| runnable.run(); |
| } else { |
| mHandler.post(runnable); |
| } |
| } |
| } |
| } |
| |
| private class IndividualReplacementTask |
| extends AsyncTask<ArrayList<DrawableRecipientChip>, Void, Void> { |
| @Override |
| protected Void doInBackground(ArrayList<DrawableRecipientChip>... params) { |
| // For each chip in the list, look up the matching contact. |
| // If there is a match, replace that chip with the matching |
| // chip. |
| final ArrayList<DrawableRecipientChip> originalRecipients = params[0]; |
| ArrayList<String> addresses = new ArrayList<String>(); |
| for (DrawableRecipientChip chip : originalRecipients) { |
| if (chip != null) { |
| addresses.add(createAddressText(chip.getEntry())); |
| } |
| } |
| final BaseRecipientAdapter adapter = getAdapter(); |
| adapter.getMatchingRecipients(addresses, new RecipientMatchCallback() { |
| |
| @Override |
| public void matchesFound(Map<String, RecipientEntry> entries) { |
| for (final DrawableRecipientChip temp : originalRecipients) { |
| if (RecipientEntry.isCreatedRecipient(temp.getEntry() |
| .getContactId()) |
| && getSpannable().getSpanStart(temp) != -1) { |
| // Replace this. |
| final RecipientEntry entry = createValidatedEntry(entries |
| .get(tokenizeAddress(temp.getEntry().getDestination()) |
| .toLowerCase())); |
| if (entry != null) { |
| mHandler.post(new Runnable() { |
| @Override |
| public void run() { |
| replaceChip(temp, entry); |
| } |
| }); |
| } |
| } |
| } |
| } |
| |
| @Override |
| public void matchesNotFound(final Set<String> unfoundAddresses) { |
| // No action required |
| } |
| }); |
| return null; |
| } |
| } |
| |
| |
| /** |
| * MoreImageSpan is a simple class created for tracking the existence of a |
| * more chip across activity restarts/ |
| */ |
| private class MoreImageSpan extends ReplacementDrawableSpan { |
| public MoreImageSpan(Drawable b) { |
| super(b); |
| setExtraMargin(mLineSpacingExtra); |
| } |
| } |
| |
| @Override |
| public boolean onDown(MotionEvent e) { |
| return false; |
| } |
| |
| @Override |
| public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) { |
| // Do nothing. |
| return false; |
| } |
| |
| @Override |
| public void onLongPress(MotionEvent event) { |
| if (mSelectedChip != null) { |
| return; |
| } |
| float x = event.getX(); |
| float y = event.getY(); |
| final int offset = putOffsetInRange(x, y); |
| DrawableRecipientChip currentChip = findChip(offset); |
| if (currentChip != null) { |
| if (mDragEnabled) { |
| // Start drag-and-drop for the selected chip. |
| startDrag(currentChip); |
| } else { |
| // Copy the selected chip email address. |
| showCopyDialog(currentChip.getEntry().getDestination()); |
| } |
| } |
| } |
| |
| // The following methods are used to provide some functionality on older versions of Android |
| // These methods were copied out of JB MR2's TextView |
| ///////////////////////////////////////////////// |
| private int supportGetOffsetForPosition(float x, float y) { |
| if (getLayout() == null) return -1; |
| final int line = supportGetLineAtCoordinate(y); |
| return supportGetOffsetAtCoordinate(line, x); |
| } |
| |
| private float supportConvertToLocalHorizontalCoordinate(float x) { |
| x -= getTotalPaddingLeft(); |
| // Clamp the position to inside of the view. |
| x = Math.max(0.0f, x); |
| x = Math.min(getWidth() - getTotalPaddingRight() - 1, x); |
| x += getScrollX(); |
| return x; |
| } |
| |
| private int supportGetLineAtCoordinate(float y) { |
| y -= getTotalPaddingLeft(); |
| // Clamp the position to inside of the view. |
| y = Math.max(0.0f, y); |
| y = Math.min(getHeight() - getTotalPaddingBottom() - 1, y); |
| y += getScrollY(); |
| return getLayout().getLineForVertical((int) y); |
| } |
| |
| private int supportGetOffsetAtCoordinate(int line, float x) { |
| x = supportConvertToLocalHorizontalCoordinate(x); |
| return getLayout().getOffsetForHorizontal(line, x); |
| } |
| ///////////////////////////////////////////////// |
| |
| /** |
| * Enables drag-and-drop for chips. |
| */ |
| public void enableDrag() { |
| mDragEnabled = true; |
| } |
| |
| /** |
| * Starts drag-and-drop for the selected chip. |
| */ |
| private void startDrag(DrawableRecipientChip currentChip) { |
| String address = currentChip.getEntry().getDestination(); |
| ClipData data = ClipData.newPlainText(address, address + COMMIT_CHAR_COMMA); |
| |
| // Start drag mode. |
| startDrag(data, new RecipientChipShadow(currentChip), null, 0); |
| |
| // Remove the current chip, so drag-and-drop will result in a move. |
| // TODO (phamm): consider readd this chip if it's dropped outside a target. |
| removeChip(currentChip); |
| } |
| |
| /** |
| * Handles drag event. |
| */ |
| @Override |
| public boolean onDragEvent(@NonNull DragEvent event) { |
| switch (event.getAction()) { |
| case DragEvent.ACTION_DRAG_STARTED: |
| // Only handle plain text drag and drop. |
| return event.getClipDescription().hasMimeType(ClipDescription.MIMETYPE_TEXT_PLAIN); |
| case DragEvent.ACTION_DRAG_ENTERED: |
| requestFocus(); |
| return true; |
| case DragEvent.ACTION_DROP: |
| handlePasteClip(event.getClipData()); |
| return true; |
| } |
| return false; |
| } |
| |
| /** |
| * Drag shadow for a {@link DrawableRecipientChip}. |
| */ |
| private final class RecipientChipShadow extends DragShadowBuilder { |
| private final DrawableRecipientChip mChip; |
| |
| public RecipientChipShadow(DrawableRecipientChip chip) { |
| mChip = chip; |
| } |
| |
| @Override |
| public void onProvideShadowMetrics(@NonNull Point shadowSize, |
| @NonNull Point shadowTouchPoint) { |
| Rect rect = mChip.getBounds(); |
| shadowSize.set(rect.width(), rect.height()); |
| shadowTouchPoint.set(rect.centerX(), rect.centerY()); |
| } |
| |
| @Override |
| public void onDrawShadow(@NonNull Canvas canvas) { |
| mChip.draw(canvas); |
| } |
| } |
| |
| private void showCopyDialog(final String address) { |
| if (!mAttachedToWindow) { |
| return; |
| } |
| mCopyAddress = address; |
| mCopyDialog.setTitle(address); |
| mCopyDialog.setContentView(R.layout.copy_chip_dialog_layout); |
| mCopyDialog.setCancelable(true); |
| mCopyDialog.setCanceledOnTouchOutside(true); |
| Button button = (Button)mCopyDialog.findViewById(android.R.id.button1); |
| button.setOnClickListener(this); |
| int btnTitleId; |
| if (isPhoneQuery()) { |
| btnTitleId = R.string.copy_number; |
| } else { |
| btnTitleId = R.string.copy_email; |
| } |
| String buttonTitle = getContext().getResources().getString(btnTitleId); |
| button.setText(buttonTitle); |
| mCopyDialog.setOnDismissListener(this); |
| mCopyDialog.show(); |
| } |
| |
| @Override |
| public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX, float distanceY) { |
| // Do nothing. |
| return false; |
| } |
| |
| @Override |
| public void onShowPress(MotionEvent e) { |
| // Do nothing. |
| } |
| |
| @Override |
| public boolean onSingleTapUp(MotionEvent e) { |
| // Do nothing. |
| return false; |
| } |
| |
| @Override |
| public void onDismiss(DialogInterface dialog) { |
| mCopyAddress = null; |
| } |
| |
| @Override |
| public void onClick(View v) { |
| // Copy this to the clipboard. |
| ClipboardManager clipboard = (ClipboardManager) getContext().getSystemService( |
| Context.CLIPBOARD_SERVICE); |
| clipboard.setPrimaryClip(ClipData.newPlainText("", mCopyAddress)); |
| mCopyDialog.dismiss(); |
| } |
| |
| protected boolean isPhoneQuery() { |
| return getAdapter() != null |
| && getAdapter().getQueryType() == BaseRecipientAdapter.QUERY_TYPE_PHONE; |
| } |
| |
| @Override |
| public BaseRecipientAdapter getAdapter() { |
| return (BaseRecipientAdapter) super.getAdapter(); |
| } |
| |
| /** |
| * Append a new {@link RecipientEntry} to the end of the recipient chips, leaving any |
| * unfinished text at the end. |
| */ |
| public void appendRecipientEntry(final RecipientEntry entry) { |
| clearComposingText(); |
| |
| final Editable editable = getText(); |
| int chipInsertionPoint = 0; |
| |
| // Find the end of last chip and see if there's any unchipified text. |
| final DrawableRecipientChip[] recips = getSortedRecipients(); |
| if (recips != null && recips.length > 0) { |
| final DrawableRecipientChip last = recips[recips.length - 1]; |
| // The chip will be inserted at the end of last chip + 1. All the unfinished text after |
| // the insertion point will be kept untouched. |
| chipInsertionPoint = editable.getSpanEnd(last) + 1; |
| } |
| |
| final CharSequence chip = createChip(entry); |
| if (chip != null) { |
| editable.insert(chipInsertionPoint, chip); |
| } |
| } |
| |
| /** |
| * Remove all chips matching the given RecipientEntry. |
| */ |
| public void removeRecipientEntry(final RecipientEntry entry) { |
| final DrawableRecipientChip[] recips = getText() |
| .getSpans(0, getText().length(), DrawableRecipientChip.class); |
| |
| for (final DrawableRecipientChip recipient : recips) { |
| final RecipientEntry existingEntry = recipient.getEntry(); |
| if (existingEntry != null && existingEntry.isValid() && |
| existingEntry.isSamePerson(entry)) { |
| removeChip(recipient); |
| } |
| } |
| } |
| |
| public void setAlternatePopupAnchor(View v) { |
| mAlternatePopupAnchor = v; |
| } |
| |
| @Override |
| public void setVisibility(int visibility) { |
| super.setVisibility(visibility); |
| |
| if (visibility != GONE && mRequiresShrinkWhenNotGone) { |
| mRequiresShrinkWhenNotGone = false; |
| mHandler.post(mDelayedShrink); |
| } |
| } |
| |
| private static class ChipBitmapContainer { |
| Bitmap bitmap; |
| // information used for positioning the loaded icon |
| boolean loadIcon = true; |
| float left; |
| float top; |
| float right; |
| float bottom; |
| } |
| } |