gecko/mobile/android/base/AwesomeBar.java

846 lines
32 KiB
Java

/* -*- Mode: Java; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*-
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
package org.mozilla.gecko;
import org.mozilla.gecko.db.BrowserContract.Combined;
import org.mozilla.gecko.db.BrowserDB;
import org.mozilla.gecko.gfx.BitmapUtils;
import org.mozilla.gecko.util.GamepadUtils;
import org.mozilla.gecko.util.StringUtils;
import org.mozilla.gecko.util.ThreadUtils;
import org.mozilla.gecko.util.UiAsyncTask;
import android.app.Activity;
import android.app.AlertDialog;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.res.Configuration;
import android.graphics.Bitmap;
import android.net.Uri;
import android.os.Build;
import android.os.Bundle;
import android.text.Editable;
import android.text.InputType;
import android.text.Spanned;
import android.text.TextUtils;
import android.text.TextWatcher;
import android.util.AttributeSet;
import android.util.Log;
import android.view.ContextMenu;
import android.view.ContextMenu.ContextMenuInfo;
import android.view.KeyEvent;
import android.view.LayoutInflater;
import android.view.MenuItem;
import android.view.MenuInflater;
import android.view.View;
import android.view.inputmethod.EditorInfo;
import android.view.inputmethod.InputMethodManager;
import android.widget.Button;
import android.widget.EditText;
import android.widget.ImageButton;
import android.widget.TabWidget;
import android.widget.Toast;
import java.net.URLEncoder;
public class AwesomeBar extends GeckoActivity
implements AutocompleteHandler,
TextWatcher {
private static final String LOGTAG = "GeckoAwesomeBar";
public static final String URL_KEY = "url";
public static final String TAB_KEY = "tab";
public static final String CURRENT_URL_KEY = "currenturl";
public static final String TARGET_KEY = "target";
public static final String SEARCH_KEY = "search";
public static final String TITLE_KEY = "title";
public static final String USER_ENTERED_KEY = "user_entered";
public static final String READING_LIST_KEY = "reading_list";
public static enum Target { NEW_TAB, CURRENT_TAB, PICK_SITE };
private String mTarget;
private AwesomeBarTabs mAwesomeTabs;
private CustomEditText mText;
private ImageButton mGoButton;
private ContextMenuSubject mContextMenuSubject;
private boolean mDelayRestartInput;
// The previous autocomplete result returned to us
private String mAutoCompleteResult = "";
// The user typed part of the autocomplete result
private String mAutoCompletePrefix = null;
@Override
public void onCreate(Bundle savedInstanceState) {
LayoutInflater.from(this).setFactory(this);
super.onCreate(savedInstanceState);
Log.d(LOGTAG, "creating awesomebar");
setContentView(R.layout.awesomebar);
mGoButton = (ImageButton) findViewById(R.id.awesomebar_button);
mText = (CustomEditText) findViewById(R.id.awesomebar_text);
TabWidget tabWidget = (TabWidget) findViewById(android.R.id.tabs);
tabWidget.setDividerDrawable(null);
mAwesomeTabs = (AwesomeBarTabs) findViewById(R.id.awesomebar_tabs);
mAwesomeTabs.setOnUrlOpenListener(new AwesomeBarTabs.OnUrlOpenListener() {
@Override
public void onUrlOpen(String url, String title) {
openUrlAndFinish(url, title, false);
}
@Override
public void onSearch(SearchEngine engine, String text) {
Intent resultIntent = new Intent();
resultIntent.putExtra(URL_KEY, text);
resultIntent.putExtra(TARGET_KEY, mTarget);
resultIntent.putExtra(SEARCH_KEY, engine.name);
finishWithResult(resultIntent);
}
@Override
public void onEditSuggestion(final String text) {
ThreadUtils.postToUiThread(new Runnable() {
@Override
public void run() {
mText.setText(text);
mText.setSelection(mText.getText().length());
mText.requestFocus();
InputMethodManager imm = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
imm.showSoftInput(mText, InputMethodManager.SHOW_IMPLICIT);
}
});
}
@Override
public void onSwitchToTab(final int tabId) {
Intent resultIntent = new Intent();
resultIntent.putExtra(TAB_KEY, Integer.toString(tabId));
finishWithResult(resultIntent);
}
});
mGoButton.setOnClickListener(new Button.OnClickListener() {
@Override
public void onClick(View v) {
openUserEnteredAndFinish(mText.getText().toString());
}
});
Intent intent = getIntent();
String currentUrl = intent.getStringExtra(CURRENT_URL_KEY);
if (currentUrl != null) {
mText.setText(currentUrl);
mText.selectAll();
}
mTarget = intent.getStringExtra(TARGET_KEY);
if (mTarget.equals(Target.CURRENT_TAB.name())) {
Tab tab = Tabs.getInstance().getSelectedTab();
if (tab != null && tab.isPrivate()) {
BrowserToolbarBackground mAddressBarBg = (BrowserToolbarBackground) findViewById(R.id.address_bar_bg);
mAddressBarBg.setPrivateMode(true);
ShapedButton mTabs = (ShapedButton) findViewById(R.id.dummy_tab);
if (mTabs != null)
mTabs.setPrivateMode(true);
mText.setPrivateMode(true);
}
}
mAwesomeTabs.setTarget(mTarget);
mText.setOnKeyPreImeListener(new CustomEditText.OnKeyPreImeListener() {
@Override
public boolean onKeyPreIme(View v, int keyCode, KeyEvent event) {
// We only want to process one event per tap
if (event.getAction() != KeyEvent.ACTION_DOWN)
return false;
if (keyCode == KeyEvent.KEYCODE_ENTER) {
// If the AwesomeBar has a composition string, don't submit the text yet.
// ENTER is needed to commit the composition string.
Editable content = mText.getText();
if (!hasCompositionString(content)) {
openUserEnteredAndFinish(content.toString());
return true;
}
}
// If input method is in fullscreen mode, we want to dismiss
// it instead of closing awesomebar straight away.
InputMethodManager imm =
(InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
if (keyCode == KeyEvent.KEYCODE_BACK && !imm.isFullscreenMode()) {
return handleBackKey();
}
return false;
}
});
mText.addTextChangedListener(this);
mText.setOnKeyListener(new View.OnKeyListener() {
@Override
public boolean onKey(View v, int keyCode, KeyEvent event) {
if (keyCode == KeyEvent.KEYCODE_ENTER || GamepadUtils.isActionKey(event)) {
if (event.getAction() != KeyEvent.ACTION_DOWN)
return true;
openUserEnteredAndFinish(mText.getText().toString());
return true;
} else if (GamepadUtils.isBackKey(event)) {
return handleBackKey();
} else {
return false;
}
}
});
mText.setOnFocusChangeListener(new View.OnFocusChangeListener() {
@Override
public void onFocusChange(View v, boolean hasFocus) {
if (v == null || hasFocus) {
return;
}
InputMethodManager imm = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
try {
imm.hideSoftInputFromWindow(v.getWindowToken(), 0);
} catch (NullPointerException e) {
Log.e(LOGTAG, "InputMethodManagerService, why are you throwing"
+ " a NullPointerException? See bug 782096", e);
}
}
});
mText.setOnLongClickListener(new View.OnLongClickListener() {
@Override
public boolean onLongClick(View v) {
if (Build.VERSION.SDK_INT >= 11) {
CustomEditText text = (CustomEditText) v;
if (text.getSelectionStart() == text.getSelectionEnd())
return false;
getActionBar().show();
return false;
}
return false;
}
});
mText.setOnSelectionChangedListener(new CustomEditText.OnSelectionChangedListener() {
@Override
public void onSelectionChanged(int selStart, int selEnd) {
if (Build.VERSION.SDK_INT >= 11 && selStart == selEnd) {
getActionBar().hide();
}
}
});
boolean showReadingList = intent.getBooleanExtra(READING_LIST_KEY, false);
if (showReadingList) {
BookmarksTab bookmarksTab = mAwesomeTabs.getBookmarksTab();
bookmarksTab.setShowReadingList(true);
mAwesomeTabs.setCurrentItemByTag(bookmarksTab.getTag());
}
}
/*
* Only one factory can be set on the inflater; however, we want to use two
* factories (GeckoViewsFactory and the FragmentActivity factory).
* Overriding onCreateView() here allows us to dispatch view creation to
* both factories.
*/
@Override
public View onCreateView(String name, Context context, AttributeSet attrs) {
View view = GeckoViewsFactory.getInstance().onCreateView(name, context, attrs);
if (view == null) {
view = super.onCreateView(name, context, attrs);
}
return view;
}
private boolean handleBackKey() {
// Let mAwesomeTabs try to handle the back press, since we may be in a
// bookmarks sub-folder.
if (mAwesomeTabs.onBackPressed())
return true;
// If mAwesomeTabs.onBackPressed() returned false, we didn't move up
// a folder level, so just exit the activity.
cancelAndFinish();
return true;
}
@Override
public void onConfigurationChanged(Configuration newConfiguration) {
super.onConfigurationChanged(newConfiguration);
}
@Override
public boolean onSearchRequested() {
cancelAndFinish();
return true;
}
private void updateGoButton(String text) {
if (text.length() == 0) {
mGoButton.setVisibility(View.GONE);
return;
}
mGoButton.setVisibility(View.VISIBLE);
int imageResource = R.drawable.ic_awesomebar_go;
String contentDescription = getString(R.string.go);
int imeAction = EditorInfo.IME_ACTION_GO;
int actionBits = mText.getImeOptions() & EditorInfo.IME_MASK_ACTION;
if (StringUtils.isSearchQuery(text, actionBits == EditorInfo.IME_ACTION_SEARCH)) {
imageResource = R.drawable.ic_awesomebar_search;
contentDescription = getString(R.string.search);
imeAction = EditorInfo.IME_ACTION_SEARCH;
}
InputMethodManager imm = InputMethods.getInputMethodManager(mText.getContext());
if (imm == null) {
return;
}
boolean restartInput = false;
if (actionBits != imeAction) {
int optionBits = mText.getImeOptions() & ~EditorInfo.IME_MASK_ACTION;
mText.setImeOptions(optionBits | imeAction);
mDelayRestartInput = (imeAction == EditorInfo.IME_ACTION_GO) &&
(InputMethods.shouldDelayAwesomebarUpdate(mText.getContext()));
if (!mDelayRestartInput) {
restartInput = true;
}
} else if (mDelayRestartInput) {
// Only call delayed restartInput when actionBits == imeAction
// so if there are two restarts in a row, the first restarts will
// be discarded and the second restart will be properly delayed
mDelayRestartInput = false;
restartInput = true;
}
if (restartInput) {
updateKeyboardInputType();
imm.restartInput(mText);
mGoButton.setImageResource(imageResource);
mGoButton.setContentDescription(contentDescription);
}
}
private void updateKeyboardInputType() {
// If the user enters a space, then we know they are entering search terms, not a URL.
// We can then switch to text mode so,
// 1) the IME auto-inserts spaces between words
// 2) the IME doesn't reset input keyboard to Latin keyboard.
String text = mText.getText().toString();
int currentInputType = mText.getInputType();
int newInputType = StringUtils.isSearchQuery(text, false)
? (currentInputType & ~InputType.TYPE_TEXT_VARIATION_URI) // Text mode
: (currentInputType | InputType.TYPE_TEXT_VARIATION_URI); // URL mode
if (newInputType != currentInputType) {
mText.setRawInputType(newInputType);
}
}
private void cancelAndFinish() {
setResult(Activity.RESULT_CANCELED);
finish();
overridePendingTransition(R.anim.awesomebar_hold_still, R.anim.awesomebar_fade_out);
}
private void finishWithResult(Intent intent) {
setResult(Activity.RESULT_OK, intent);
finish();
overridePendingTransition(R.anim.awesomebar_hold_still, R.anim.awesomebar_fade_out);
}
private void openUrlAndFinish(String url) {
openUrlAndFinish(url, null, false);
}
private void openUrlAndFinish(String url, String title, boolean userEntered) {
Intent resultIntent = new Intent();
resultIntent.putExtra(URL_KEY, url);
if (title != null && !TextUtils.isEmpty(title))
resultIntent.putExtra(TITLE_KEY, title);
if (userEntered)
resultIntent.putExtra(USER_ENTERED_KEY, userEntered);
resultIntent.putExtra(TARGET_KEY, mTarget);
finishWithResult(resultIntent);
}
private void openUserEnteredAndFinish(final String url) {
final int index = url.indexOf(' ');
// Check for a keyword if the URL looks like a search query
if (!StringUtils.isSearchQuery(url, true)) {
openUrlAndFinish(url, "", true);
return;
}
ThreadUtils.postToBackgroundThread(new Runnable() {
@Override
public void run() {
final String keyword;
final String keywordSearch;
if (index == -1) {
keyword = url;
keywordSearch = "";
} else {
keyword = url.substring(0, index);
keywordSearch = url.substring(index + 1);
}
final String keywordUrl = BrowserDB.getUrlForKeyword(getContentResolver(), keyword);
final String searchUrl = (keywordUrl != null)
? keywordUrl.replace("%s", URLEncoder.encode(keywordSearch))
: url;
openUrlAndFinish(searchUrl, "", true);
}
});
}
@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
// Galaxy Note sends key events for the stylus that are outside of the
// valid keyCode range (see bug 758427)
if (keyCode > KeyEvent.getMaxKeyCode())
return true;
// This method is called only if the key event was not handled
// by any of the views, which usually means the edit box lost focus
if (keyCode == KeyEvent.KEYCODE_BACK ||
keyCode == KeyEvent.KEYCODE_MENU ||
keyCode == KeyEvent.KEYCODE_DPAD_UP ||
keyCode == KeyEvent.KEYCODE_DPAD_DOWN ||
keyCode == KeyEvent.KEYCODE_DPAD_LEFT ||
keyCode == KeyEvent.KEYCODE_DPAD_RIGHT ||
keyCode == KeyEvent.KEYCODE_DPAD_CENTER ||
keyCode == KeyEvent.KEYCODE_DEL ||
keyCode == KeyEvent.KEYCODE_VOLUME_UP ||
keyCode == KeyEvent.KEYCODE_VOLUME_DOWN) {
return super.onKeyDown(keyCode, event);
} else if (keyCode == KeyEvent.KEYCODE_SEARCH) {
mText.setText("");
mText.requestFocus();
InputMethodManager imm = (InputMethodManager) mText.getContext().getSystemService(Context.INPUT_METHOD_SERVICE);
imm.showSoftInput(mText, InputMethodManager.SHOW_IMPLICIT);
return true;
} else {
int prevSelStart = mText.getSelectionStart();
int prevSelEnd = mText.getSelectionEnd();
// Manually dispatch the key event to the AwesomeBar. If selection changed as
// a result of the key event, then give focus back to mText
mText.dispatchKeyEvent(event);
int curSelStart = mText.getSelectionStart();
int curSelEnd = mText.getSelectionEnd();
if (prevSelStart != curSelStart || prevSelEnd != curSelEnd) {
mText.requestFocusFromTouch();
// Restore the selection, which gets lost due to the focus switch
mText.setSelection(curSelStart, curSelEnd);
}
return true;
}
}
@Override
public void onResume() {
super.onResume();
if (mText != null && mText.getText() != null) {
updateGoButton(mText.getText().toString());
if (mDelayRestartInput) {
// call updateGoButton again to force a restartInput call
updateGoButton(mText.getText().toString());
}
}
// Invlidate the cached value that keeps track of whether or
// not desktop bookmarks exist
BrowserDB.invalidateCachedState();
}
@Override
public void onDestroy() {
super.onDestroy();
mAwesomeTabs.destroy();
}
@Override
public void onBackPressed() {
// Let mAwesomeTabs try to handle the back press, since we may be in a
// bookmarks sub-folder.
if (mAwesomeTabs.onBackPressed())
return;
// Otherwise, just exit the awesome screen
cancelAndFinish();
}
static public class ContextMenuSubject {
public int id;
public String url;
public byte[] favicon;
public String title;
public String keyword;
public int display;
public ContextMenuSubject(int id, String url, byte[] favicon, String title, String keyword) {
this(id, url, favicon, title, keyword, Combined.DISPLAY_NORMAL);
}
public ContextMenuSubject(int id, String url, byte[] favicon, String title, String keyword, int display) {
this.id = id;
this.url = url;
this.favicon = favicon;
this.title = title;
this.keyword = keyword;
this.display = display;
}
};
@Override
public void onCreateContextMenu(ContextMenu menu, View view, ContextMenuInfo menuInfo) {
super.onCreateContextMenu(menu, view, menuInfo);
AwesomeBarTab tab = mAwesomeTabs.getAwesomeBarTabForView(view);
mContextMenuSubject = tab.getSubject(menu, view, menuInfo);
}
private abstract class EditBookmarkTextWatcher implements TextWatcher {
protected AlertDialog mDialog;
protected EditBookmarkTextWatcher mPairedTextWatcher;
protected boolean mEnabled = true;
public EditBookmarkTextWatcher(AlertDialog aDialog) {
mDialog = aDialog;
}
public void setPairedTextWatcher(EditBookmarkTextWatcher aTextWatcher) {
mPairedTextWatcher = aTextWatcher;
}
public boolean isEnabled() {
return mEnabled;
}
@Override
public void onTextChanged(CharSequence s, int start, int before, int count) {
// Disable if the we're disabled or paired partner is disabled
boolean enabled = mEnabled && (mPairedTextWatcher == null || mPairedTextWatcher.isEnabled());
mDialog.getButton(AlertDialog.BUTTON_POSITIVE).setEnabled(enabled);
}
@Override
public void afterTextChanged(Editable s) {}
@Override
public void beforeTextChanged(CharSequence s, int start, int count, int after) {}
}
private class LocationTextWatcher extends EditBookmarkTextWatcher implements TextWatcher {
public LocationTextWatcher(AlertDialog aDialog) {
super(aDialog);
}
@Override
public void onTextChanged(CharSequence s, int start, int before, int count) {
// Disable if the location is empty
mEnabled = (s.toString().trim().length() > 0);
super.onTextChanged(s, start, before, count);
}
}
private class KeywordTextWatcher extends EditBookmarkTextWatcher implements TextWatcher {
public KeywordTextWatcher(AlertDialog aDialog) {
super(aDialog);
}
@Override
public void onTextChanged(CharSequence s, int start, int before, int count) {
// Disable if the keyword contains spaces
mEnabled = (s.toString().trim().indexOf(' ') == -1);
super.onTextChanged(s, start, before, count);
}
}
@Override
public boolean onContextItemSelected(MenuItem item) {
if (mContextMenuSubject == null)
return false;
final int id = mContextMenuSubject.id;
final String url = mContextMenuSubject.url;
final byte[] b = mContextMenuSubject.favicon;
final String title = mContextMenuSubject.title;
final String keyword = mContextMenuSubject.keyword;
final int display = mContextMenuSubject.display;
switch (item.getItemId()) {
case R.id.open_private_tab:
case R.id.open_new_tab: {
if (url == null) {
Log.e(LOGTAG, "Can't open in new tab because URL is null");
break;
}
String newTabUrl = url;
if (display == Combined.DISPLAY_READER)
newTabUrl = ReaderModeUtils.getAboutReaderForUrl(url, true);
int flags = Tabs.LOADURL_NEW_TAB;
if (item.getItemId() == R.id.open_private_tab)
flags |= Tabs.LOADURL_PRIVATE;
Tabs.getInstance().loadUrl(newTabUrl, flags);
Toast.makeText(this, R.string.new_tab_opened, Toast.LENGTH_SHORT).show();
break;
}
case R.id.open_in_reader: {
if (url == null) {
Log.e(LOGTAG, "Can't open in reader mode because URL is null");
break;
}
openUrlAndFinish(ReaderModeUtils.getAboutReaderForUrl(url, true));
break;
}
case R.id.edit_bookmark: {
AlertDialog.Builder editPrompt = new AlertDialog.Builder(this);
final View editView = getLayoutInflater().inflate(R.layout.bookmark_edit, null);
editPrompt.setTitle(R.string.bookmark_edit_title);
editPrompt.setView(editView);
final EditText nameText = ((EditText) editView.findViewById(R.id.edit_bookmark_name));
final EditText locationText = ((EditText) editView.findViewById(R.id.edit_bookmark_location));
final EditText keywordText = ((EditText) editView.findViewById(R.id.edit_bookmark_keyword));
nameText.setText(title);
locationText.setText(url);
keywordText.setText(keyword);
editPrompt.setPositiveButton(R.string.button_ok, new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int whichButton) {
(new UiAsyncTask<Void, Void, Void>(ThreadUtils.getBackgroundHandler()) {
@Override
public Void doInBackground(Void... params) {
String newUrl = locationText.getText().toString().trim();
String newKeyword = keywordText.getText().toString().trim();
BrowserDB.updateBookmark(getContentResolver(), id, newUrl, nameText.getText().toString(), newKeyword);
return null;
}
@Override
public void onPostExecute(Void result) {
Toast.makeText(AwesomeBar.this, R.string.bookmark_updated, Toast.LENGTH_SHORT).show();
}
}).execute();
}
});
editPrompt.setNegativeButton(R.string.button_cancel, new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int whichButton) {
// do nothing
}
});
final AlertDialog dialog = editPrompt.create();
// Create our TextWatchers
LocationTextWatcher locationTextWatcher = new LocationTextWatcher(dialog);
KeywordTextWatcher keywordTextWatcher = new KeywordTextWatcher(dialog);
// Cross reference the TextWatchers
locationTextWatcher.setPairedTextWatcher(keywordTextWatcher);
keywordTextWatcher.setPairedTextWatcher(locationTextWatcher);
// Add the TextWatcher Listeners
locationText.addTextChangedListener(locationTextWatcher);
keywordText.addTextChangedListener(keywordTextWatcher);
dialog.show();
break;
}
case R.id.remove_bookmark: {
(new UiAsyncTask<Void, Void, Void>(ThreadUtils.getBackgroundHandler()) {
private boolean mInReadingList;
@Override
public void onPreExecute() {
mInReadingList = mAwesomeTabs.isInReadingList();
}
@Override
public Void doInBackground(Void... params) {
BrowserDB.removeBookmark(getContentResolver(), id);
return null;
}
@Override
public void onPostExecute(Void result) {
int messageId = R.string.bookmark_removed;
if (mInReadingList) {
messageId = R.string.reading_list_removed;
GeckoEvent e = GeckoEvent.createBroadcastEvent("Reader:Remove", url);
GeckoAppShell.sendEventToGecko(e);
}
Toast.makeText(AwesomeBar.this, messageId, Toast.LENGTH_SHORT).show();
}
}).execute();
break;
}
case R.id.remove_history: {
(new UiAsyncTask<Void, Void, Void>(ThreadUtils.getBackgroundHandler()) {
@Override
public Void doInBackground(Void... params) {
BrowserDB.removeHistoryEntry(getContentResolver(), id);
return null;
}
@Override
public void onPostExecute(Void result) {
Toast.makeText(AwesomeBar.this, R.string.history_removed, Toast.LENGTH_SHORT).show();
}
}).execute();
break;
}
case R.id.add_to_launcher: {
if (url == null) {
Log.e(LOGTAG, "Can't add to home screen because URL is null");
break;
}
Bitmap bitmap = null;
if (b != null) {
bitmap = BitmapUtils.decodeByteArray(b);
}
String shortcutTitle = TextUtils.isEmpty(title) ? url.replaceAll("^([a-z]+://)?(www\\.)?", "") : title;
GeckoAppShell.createShortcut(shortcutTitle, url, bitmap, "");
break;
}
case R.id.share: {
if (url == null) {
Log.e(LOGTAG, "Can't share because URL is null");
break;
}
GeckoAppShell.openUriExternal(url, "text/plain", "", "",
Intent.ACTION_SEND, title);
break;
}
default: {
return super.onContextItemSelected(item);
}
}
return true;
}
public static String getReaderForUrl(String url) {
// FIXME: still need to define the final way to open items from
// reading list. For now, we're using an about:reader page.
return "about:reader?url=" + Uri.encode(url) + "&readingList=1";
}
private static boolean hasCompositionString(Editable content) {
Object[] spans = content.getSpans(0, content.length(), Object.class);
if (spans != null) {
for (Object span : spans) {
if ((content.getSpanFlags(span) & Spanned.SPAN_COMPOSING) != 0) {
// Found composition string.
return true;
}
}
}
return false;
}
// return early if we're backspacing through the string, or have no autocomplete results
public void onAutocomplete(final String result) {
final String text = mText.getText().toString();
if (result == null) {
mAutoCompleteResult = "";
return;
}
if (!result.startsWith(text) || text.equals(result)) {
return;
}
mAutoCompleteResult = result;
mText.getText().append(result.substring(text.length()));
mText.setSelection(text.length(), result.length());
}
@Override
public void afterTextChanged(final Editable s) {
final String text = s.toString();
boolean useHandler = false;
boolean reuseAutocomplete = false;
if (!hasCompositionString(s) && !StringUtils.isSearchQuery(text, false)) {
useHandler = true;
// If you're hitting backspace (the string is getting smaller
// or is unchanged), don't autocomplete.
if (mAutoCompletePrefix != null && (mAutoCompletePrefix.length() >= text.length())) {
useHandler = false;
} else if (mAutoCompleteResult != null && mAutoCompleteResult.startsWith(text)) {
// If this text already matches our autocomplete text, autocomplete likely
// won't change. Just reuse the old autocomplete value.
useHandler = false;
reuseAutocomplete = true;
}
}
// If this is the autocomplete text being set, don't run the filter.
if (TextUtils.isEmpty(mAutoCompleteResult) || !mAutoCompleteResult.equals(text)) {
mAwesomeTabs.filter(text, useHandler ? this : null);
mAutoCompletePrefix = text;
if (reuseAutocomplete) {
onAutocomplete(mAutoCompleteResult);
}
}
// If the AwesomeBar has a composition string, don't call updateGoButton().
// That method resets IME and composition state will be broken.
if (!hasCompositionString(s)) {
updateGoButton(text);
}
if (Build.VERSION.SDK_INT >= 11) {
getActionBar().hide();
}
}
@Override
public void beforeTextChanged(CharSequence s, int start, int count,
int after) {
// do nothing
}
@Override
public void onTextChanged(CharSequence s, int start, int before,
int count) {
// do nothing
}
}