1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/mobile/android/base/FindInPageBar.java Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,173 @@
1.4 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.5 + * License, v. 2.0. If a copy of the MPL was not distributed with this file,
1.6 + * You can obtain one at http://mozilla.org/MPL/2.0/. */
1.7 +
1.8 +package org.mozilla.gecko;
1.9 +
1.10 +import org.mozilla.gecko.util.GeckoEventListener;
1.11 +import org.mozilla.gecko.util.ThreadUtils;
1.12 +
1.13 +import org.json.JSONObject;
1.14 +
1.15 +import android.content.Context;
1.16 +import android.text.Editable;
1.17 +import android.text.TextUtils;
1.18 +import android.text.TextWatcher;
1.19 +import android.util.AttributeSet;
1.20 +import android.view.KeyEvent;
1.21 +import android.view.LayoutInflater;
1.22 +import android.view.View;
1.23 +import android.view.inputmethod.InputMethodManager;
1.24 +import android.widget.LinearLayout;
1.25 +
1.26 +public class FindInPageBar extends LinearLayout implements TextWatcher, View.OnClickListener, GeckoEventListener {
1.27 + private static final String REQUEST_ID = "FindInPageBar";
1.28 +
1.29 + private final Context mContext;
1.30 + private CustomEditText mFindText;
1.31 + private boolean mInflated = false;
1.32 +
1.33 + public FindInPageBar(Context context, AttributeSet attrs) {
1.34 + super(context, attrs);
1.35 + mContext = context;
1.36 + setFocusable(true);
1.37 + }
1.38 +
1.39 + public void inflateContent() {
1.40 + LayoutInflater inflater = LayoutInflater.from(mContext);
1.41 + View content = inflater.inflate(R.layout.find_in_page_content, this);
1.42 +
1.43 + content.findViewById(R.id.find_prev).setOnClickListener(this);
1.44 + content.findViewById(R.id.find_next).setOnClickListener(this);
1.45 + content.findViewById(R.id.find_close).setOnClickListener(this);
1.46 +
1.47 + // Capture clicks on the rest of the view to prevent them from
1.48 + // leaking into other views positioned below.
1.49 + content.setOnClickListener(this);
1.50 +
1.51 + mFindText = (CustomEditText) content.findViewById(R.id.find_text);
1.52 + mFindText.addTextChangedListener(this);
1.53 + mFindText.setOnKeyPreImeListener(new CustomEditText.OnKeyPreImeListener() {
1.54 + @Override
1.55 + public boolean onKeyPreIme(View v, int keyCode, KeyEvent event) {
1.56 + if (keyCode == KeyEvent.KEYCODE_BACK) {
1.57 + hide();
1.58 + return true;
1.59 + }
1.60 + return false;
1.61 + }
1.62 + });
1.63 +
1.64 + mInflated = true;
1.65 + GeckoAppShell.getEventDispatcher().registerEventListener("TextSelection:Data", this);
1.66 + }
1.67 +
1.68 + public void show() {
1.69 + if (!mInflated)
1.70 + inflateContent();
1.71 +
1.72 + setVisibility(VISIBLE);
1.73 + mFindText.requestFocus();
1.74 +
1.75 + // handleMessage() receives response message and determines initial state of softInput
1.76 + GeckoAppShell.sendEventToGecko(GeckoEvent.createBroadcastEvent("TextSelection:Get", REQUEST_ID));
1.77 + }
1.78 +
1.79 + public void hide() {
1.80 + setVisibility(GONE);
1.81 + getInputMethodManager(mFindText).hideSoftInputFromWindow(mFindText.getWindowToken(), 0);
1.82 + GeckoAppShell.sendEventToGecko(GeckoEvent.createBroadcastEvent("FindInPage:Closed", null));
1.83 + }
1.84 +
1.85 + private InputMethodManager getInputMethodManager(View view) {
1.86 + Context context = view.getContext();
1.87 + return (InputMethodManager) context.getSystemService(Context.INPUT_METHOD_SERVICE);
1.88 + }
1.89 +
1.90 + public void onDestroy() {
1.91 + if (!mInflated) {
1.92 + return;
1.93 + }
1.94 + GeckoAppShell.getEventDispatcher().unregisterEventListener("TextSelection:Data", this);
1.95 + }
1.96 +
1.97 + // TextWatcher implementation
1.98 +
1.99 + @Override
1.100 + public void afterTextChanged(Editable s) {
1.101 + GeckoAppShell.sendEventToGecko(GeckoEvent.createBroadcastEvent("FindInPage:Find", s.toString()));
1.102 + }
1.103 +
1.104 + @Override
1.105 + public void beforeTextChanged(CharSequence s, int start, int count, int after) {
1.106 + // ignore
1.107 + }
1.108 +
1.109 + @Override
1.110 + public void onTextChanged(CharSequence s, int start, int before, int count) {
1.111 + // ignore
1.112 + }
1.113 +
1.114 + // View.OnClickListener implementation
1.115 +
1.116 + @Override
1.117 + public void onClick(View v) {
1.118 + final int viewId = v.getId();
1.119 +
1.120 + if (viewId == R.id.find_prev) {
1.121 + GeckoAppShell.sendEventToGecko(GeckoEvent.createBroadcastEvent("FindInPage:Prev", mFindText.getText().toString()));
1.122 + getInputMethodManager(mFindText).hideSoftInputFromWindow(mFindText.getWindowToken(), 0);
1.123 + return;
1.124 + }
1.125 +
1.126 + if (viewId == R.id.find_next) {
1.127 + GeckoAppShell.sendEventToGecko(GeckoEvent.createBroadcastEvent("FindInPage:Next", mFindText.getText().toString()));
1.128 + getInputMethodManager(mFindText).hideSoftInputFromWindow(mFindText.getWindowToken(), 0);
1.129 + return;
1.130 + }
1.131 +
1.132 + if (viewId == R.id.find_close) {
1.133 + hide();
1.134 + }
1.135 + }
1.136 +
1.137 + // GeckoEventListener implementation
1.138 +
1.139 + @Override
1.140 + public void handleMessage(String event, JSONObject message) {
1.141 + if (!event.equals("TextSelection:Data") || !REQUEST_ID.equals(message.optString("requestId"))) {
1.142 + return;
1.143 + }
1.144 +
1.145 + final String text = message.optString("text");
1.146 +
1.147 + // Populate an initial find string, virtual keyboard not required.
1.148 + if (!TextUtils.isEmpty(text)) {
1.149 + // Populate initial selection
1.150 + ThreadUtils.postToUiThread(new Runnable() {
1.151 + @Override
1.152 + public void run() {
1.153 + mFindText.setText(text);
1.154 + }
1.155 + });
1.156 + return;
1.157 + }
1.158 +
1.159 + // Show the virtual keyboard.
1.160 + if (mFindText.hasWindowFocus()) {
1.161 + getInputMethodManager(mFindText).showSoftInput(mFindText, 0);
1.162 + } else {
1.163 + // showSoftInput won't work until after the window is focused.
1.164 + mFindText.setOnWindowFocusChangeListener(new CustomEditText.OnWindowFocusChangeListener() {
1.165 + @Override
1.166 + public void onWindowFocusChanged(boolean hasFocus) {
1.167 + if (!hasFocus)
1.168 + return;
1.169 +
1.170 + mFindText.setOnWindowFocusChangeListener(null);
1.171 + getInputMethodManager(mFindText).showSoftInput(mFindText, 0);
1.172 + }
1.173 + });
1.174 + }
1.175 + }
1.176 +}
