The Tor Browser / annotate

mobile/android/base/FindInPageBar.java@6474c204b198 (annotated)

mobile/android/base/FindInPageBar.java

Wed, 31 Dec 2014 06:09:35 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Wed, 31 Dec 2014 06:09:35 +0100
changeset 0
6474c204b198
permissions
-rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

michael@0 1 /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0 2 * License, v. 2.0. If a copy of the MPL was not distributed with this file,
michael@0 3 * You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0 4
michael@0 5 package org.mozilla.gecko;
michael@0 6
michael@0 7 import org.mozilla.gecko.util.GeckoEventListener;
michael@0 8 import org.mozilla.gecko.util.ThreadUtils;
michael@0 9
michael@0 10 import org.json.JSONObject;
michael@0 11
michael@0 12 import android.content.Context;
michael@0 13 import android.text.Editable;
michael@0 14 import android.text.TextUtils;
michael@0 15 import android.text.TextWatcher;
michael@0 16 import android.util.AttributeSet;
michael@0 17 import android.view.KeyEvent;
michael@0 18 import android.view.LayoutInflater;
michael@0 19 import android.view.View;
michael@0 20 import android.view.inputmethod.InputMethodManager;
michael@0 21 import android.widget.LinearLayout;
michael@0 22
michael@0 23 public class FindInPageBar extends LinearLayout implements TextWatcher, View.OnClickListener, GeckoEventListener {
michael@0 24 private static final String REQUEST_ID = "FindInPageBar";
michael@0 25
michael@0 26 private final Context mContext;
michael@0 27 private CustomEditText mFindText;
michael@0 28 private boolean mInflated = false;
michael@0 29
michael@0 30 public FindInPageBar(Context context, AttributeSet attrs) {
michael@0 31 super(context, attrs);
michael@0 32 mContext = context;
michael@0 33 setFocusable(true);
michael@0 34 }
michael@0 35
michael@0 36 public void inflateContent() {
michael@0 37 LayoutInflater inflater = LayoutInflater.from(mContext);
michael@0 38 View content = inflater.inflate(R.layout.find_in_page_content, this);
michael@0 39
michael@0 40 content.findViewById(R.id.find_prev).setOnClickListener(this);
michael@0 41 content.findViewById(R.id.find_next).setOnClickListener(this);
michael@0 42 content.findViewById(R.id.find_close).setOnClickListener(this);
michael@0 43
michael@0 44 // Capture clicks on the rest of the view to prevent them from
michael@0 45 // leaking into other views positioned below.
michael@0 46 content.setOnClickListener(this);
michael@0 47
michael@0 48 mFindText = (CustomEditText) content.findViewById(R.id.find_text);
michael@0 49 mFindText.addTextChangedListener(this);
michael@0 50 mFindText.setOnKeyPreImeListener(new CustomEditText.OnKeyPreImeListener() {
michael@0 51 @Override
michael@0 52 public boolean onKeyPreIme(View v, int keyCode, KeyEvent event) {
michael@0 53 if (keyCode == KeyEvent.KEYCODE_BACK) {
michael@0 54 hide();
michael@0 55 return true;
michael@0 56 }
michael@0 57 return false;
michael@0 58 }
michael@0 59 });
michael@0 60
michael@0 61 mInflated = true;
michael@0 62 GeckoAppShell.getEventDispatcher().registerEventListener("TextSelection:Data", this);
michael@0 63 }
michael@0 64
michael@0 65 public void show() {
michael@0 66 if (!mInflated)
michael@0 67 inflateContent();
michael@0 68
michael@0 69 setVisibility(VISIBLE);
michael@0 70 mFindText.requestFocus();
michael@0 71
michael@0 72 // handleMessage() receives response message and determines initial state of softInput
michael@0 73 GeckoAppShell.sendEventToGecko(GeckoEvent.createBroadcastEvent("TextSelection:Get", REQUEST_ID));
michael@0 74 }
michael@0 75
michael@0 76 public void hide() {
michael@0 77 setVisibility(GONE);
michael@0 78 getInputMethodManager(mFindText).hideSoftInputFromWindow(mFindText.getWindowToken(), 0);
michael@0 79 GeckoAppShell.sendEventToGecko(GeckoEvent.createBroadcastEvent("FindInPage:Closed", null));
michael@0 80 }
michael@0 81
michael@0 82 private InputMethodManager getInputMethodManager(View view) {
michael@0 83 Context context = view.getContext();
michael@0 84 return (InputMethodManager) context.getSystemService(Context.INPUT_METHOD_SERVICE);
michael@0 85 }
michael@0 86
michael@0 87 public void onDestroy() {
michael@0 88 if (!mInflated) {
michael@0 89 return;
michael@0 90 }
michael@0 91 GeckoAppShell.getEventDispatcher().unregisterEventListener("TextSelection:Data", this);
michael@0 92 }
michael@0 93
michael@0 94 // TextWatcher implementation
michael@0 95
michael@0 96 @Override
michael@0 97 public void afterTextChanged(Editable s) {
michael@0 98 GeckoAppShell.sendEventToGecko(GeckoEvent.createBroadcastEvent("FindInPage:Find", s.toString()));
michael@0 99 }
michael@0 100
michael@0 101 @Override
michael@0 102 public void beforeTextChanged(CharSequence s, int start, int count, int after) {
michael@0 103 // ignore
michael@0 104 }
michael@0 105
michael@0 106 @Override
michael@0 107 public void onTextChanged(CharSequence s, int start, int before, int count) {
michael@0 108 // ignore
michael@0 109 }
michael@0 110
michael@0 111 // View.OnClickListener implementation
michael@0 112
michael@0 113 @Override
michael@0 114 public void onClick(View v) {
michael@0 115 final int viewId = v.getId();
michael@0 116
michael@0 117 if (viewId == R.id.find_prev) {
michael@0 118 GeckoAppShell.sendEventToGecko(GeckoEvent.createBroadcastEvent("FindInPage:Prev", mFindText.getText().toString()));
michael@0 119 getInputMethodManager(mFindText).hideSoftInputFromWindow(mFindText.getWindowToken(), 0);
michael@0 120 return;
michael@0 121 }
michael@0 122
michael@0 123 if (viewId == R.id.find_next) {
michael@0 124 GeckoAppShell.sendEventToGecko(GeckoEvent.createBroadcastEvent("FindInPage:Next", mFindText.getText().toString()));
michael@0 125 getInputMethodManager(mFindText).hideSoftInputFromWindow(mFindText.getWindowToken(), 0);
michael@0 126 return;
michael@0 127 }
michael@0 128
michael@0 129 if (viewId == R.id.find_close) {
michael@0 130 hide();
michael@0 131 }
michael@0 132 }
michael@0 133
michael@0 134 // GeckoEventListener implementation
michael@0 135
michael@0 136 @Override
michael@0 137 public void handleMessage(String event, JSONObject message) {
michael@0 138 if (!event.equals("TextSelection:Data") || !REQUEST_ID.equals(message.optString("requestId"))) {
michael@0 139 return;
michael@0 140 }
michael@0 141
michael@0 142 final String text = message.optString("text");
michael@0 143
michael@0 144 // Populate an initial find string, virtual keyboard not required.
michael@0 145 if (!TextUtils.isEmpty(text)) {
michael@0 146 // Populate initial selection
michael@0 147 ThreadUtils.postToUiThread(new Runnable() {
michael@0 148 @Override
michael@0 149 public void run() {
michael@0 150 mFindText.setText(text);
michael@0 151 }
michael@0 152 });
michael@0 153 return;
michael@0 154 }
michael@0 155
michael@0 156 // Show the virtual keyboard.
michael@0 157 if (mFindText.hasWindowFocus()) {
michael@0 158 getInputMethodManager(mFindText).showSoftInput(mFindText, 0);
michael@0 159 } else {
michael@0 160 // showSoftInput won't work until after the window is focused.
michael@0 161 mFindText.setOnWindowFocusChangeListener(new CustomEditText.OnWindowFocusChangeListener() {
michael@0 162 @Override
michael@0 163 public void onWindowFocusChanged(boolean hasFocus) {
michael@0 164 if (!hasFocus)
michael@0 165 return;
michael@0 166
michael@0 167 mFindText.setOnWindowFocusChangeListener(null);
michael@0 168 getInputMethodManager(mFindText).showSoftInput(mFindText, 0);
michael@0 169 }
michael@0 170 });
michael@0 171 }
michael@0 172 }
michael@0 173 }

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