Initial Contribution
diff --git a/src/com/android/browser/FindDialog.java b/src/com/android/browser/FindDialog.java
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+++ b/src/com/android/browser/FindDialog.java
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+/*
+ * Copyright (C) 2007 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.browser;
+
+import android.os.Handler;
+import android.os.Message;
+import android.text.Editable;
+import android.text.Spannable;
+import android.text.TextWatcher;
+import android.view.KeyEvent;
+import android.view.MotionEvent;
+import android.view.View;
+import android.view.ViewGroup;
+import android.view.LayoutInflater;
+import android.webkit.WebView;
+import android.widget.EditText;
+import android.widget.LinearLayout;
+import android.widget.TextView;
+
+/* package */ class FindDialog extends LinearLayout implements TextWatcher {
+ private WebView mWebView;
+ private TextView mMatches;
+ private BrowserActivity mBrowserActivity;
+
+ // Views with which the user can interact.
+ private View mOk;
+ private EditText mEditText;
+ private View mNextButton;
+ private View mPrevButton;
+
+ // Tags for messages to be sent to the handler.
+ private final static int FIND_RESPONSE = 0;
+ private final static int NUM_FOUND = 1;
+
+ private View.OnClickListener mFindListener = new View.OnClickListener() {
+ public void onClick(View v) {
+ findNext();
+ }
+ };
+
+ private View.OnClickListener mFindCancelListener =
+ new View.OnClickListener() {
+ public void onClick(View v) {
+ dismiss();
+ }
+ };
+
+ private View.OnClickListener mFindPreviousListener =
+ new View.OnClickListener() {
+ public void onClick(View v) {
+ if (mWebView == null) {
+ throw new AssertionError("No WebView for FindDialog::onClick");
+ }
+ // Find is disabled for version 1.0, so find methods on WebView are
+ // currently private.
+ //mWebView.findPrevious(mEditText.getText().toString(),
+ // mFindHandler.obtainMessage(FIND_RESPONSE));
+ }
+ };
+
+ private Handler mFindHandler = new Handler() {
+ public void handleMessage(Message msg) {
+ if (NUM_FOUND == msg.what) {
+ mMatches.setText(Integer.toString(msg.arg1));
+ if (0 == msg.arg1) {
+ disableButtons();
+ } else {
+ mPrevButton.setFocusable(true);
+ mNextButton.setFocusable(true);
+ mPrevButton.setEnabled(true);
+ mNextButton.setEnabled(true);
+ }
+ }
+ }
+ };
+
+ private void disableButtons() {
+ mPrevButton.setEnabled(false);
+ mNextButton.setEnabled(false);
+ mPrevButton.setFocusable(false);
+ mNextButton.setFocusable(false);
+ }
+
+ public void setWebView(WebView webview) {
+ mWebView = webview;
+ }
+
+ /* package */ FindDialog(BrowserActivity context) {
+ super(context);
+ mBrowserActivity = context;
+ LayoutInflater factory = LayoutInflater.from(context);
+ factory.inflate(R.layout.browser_find, this);
+
+ setLayoutParams(new ViewGroup.LayoutParams(
+ ViewGroup.LayoutParams.FILL_PARENT,
+ ViewGroup.LayoutParams.WRAP_CONTENT));
+
+ mEditText = (EditText) findViewById(R.id.edit);
+
+ View button = findViewById(R.id.next);
+ button.setOnClickListener(mFindListener);
+ mNextButton = button;
+
+ button = findViewById(R.id.previous);
+ button.setOnClickListener(mFindPreviousListener);
+ mPrevButton = button;
+
+ button = findViewById(R.id.done);
+ button.setOnClickListener(mFindCancelListener);
+ mOk = button;
+
+ mMatches = (TextView) findViewById(R.id.matches);
+ disableButtons();
+ }
+
+ public void dismiss() {
+ mBrowserActivity.closeFind();
+ // If the nav buttons are highlighted, then there are matches
+ // highlighted in the WebView, and they should be cleared.
+ if (mPrevButton.isEnabled()) {
+ // Find is disabled for version 1.0, so find methods on WebView are
+ // currently private.
+ //mWebView.clearMatches();
+ }
+ }
+
+ @Override
+ public boolean dispatchKeyEvent(KeyEvent event) {
+ // Make up and down find previous/next
+ int code = event.getKeyCode();
+ boolean up = event.getAction() == KeyEvent.ACTION_UP;
+ switch (code) {
+ case KeyEvent.KEYCODE_BACK:
+ if (up) {
+ dismiss();
+ }
+ return true;
+ case KeyEvent.KEYCODE_DPAD_UP:
+ if (event.getMetaState() != 0) {
+ break;
+ }
+ if (up) {
+ mFindPreviousListener.onClick(null);
+ }
+ return true;
+ case KeyEvent.KEYCODE_DPAD_DOWN:
+ if (event.getMetaState() != 0) {
+ break;
+ }
+ if (up) {
+ mFindListener.onClick(null);
+ }
+ return true;
+ case KeyEvent.KEYCODE_DPAD_CENTER:
+ case KeyEvent.KEYCODE_ENTER:
+ if (!mEditText.hasFocus()) {
+ break;
+ }
+ if (up) {
+ findNext();
+ }
+ return true;
+ default:
+ break;
+ }
+ return super.dispatchKeyEvent(event);
+ }
+
+ @Override
+ public boolean dispatchTouchEvent(MotionEvent ev) {
+ super.dispatchTouchEvent(ev);
+ // Return true so that BrowserActivity thinks we handled it and does
+ // not dismiss us.
+ return true;
+ }
+
+ private void findNext() {
+ if (mWebView == null) {
+ throw new AssertionError("No WebView for FindDialog::findNext");
+ }
+ // Find is disabled for version 1.0, so find methods on WebView are
+ // currently private.
+ //mWebView.findNext(mEditText.getText().toString(),
+ // mFindHandler.obtainMessage(FIND_RESPONSE));
+ }
+
+ public void show() {
+ mEditText.requestFocus();
+ mEditText.setText("");
+ Spannable span = (Spannable) mEditText.getText();
+ span.setSpan(this, 0, span.length(),
+ Spannable.SPAN_INCLUSIVE_INCLUSIVE);
+ mMatches.setText(R.string.zero);
+ disableButtons();
+ }
+
+ // TextWatcher methods
+ public void beforeTextChanged(CharSequence s,
+ int start,
+ int count,
+ int after) {
+ }
+
+ public void onTextChanged(CharSequence s,
+ int start,
+ int before,
+ int count) {
+ CharSequence find = mEditText.getText();
+ if (0 == find.length()) {
+ disableButtons();
+ // Find is disabled for version 1.0, so find methods on WebView are
+ // currently private.
+ //mWebView.clearMatches();
+ mMatches.setText(R.string.zero);
+ } else {
+ if (mWebView == null) {
+ throw new AssertionError(
+ "No WebView for FindDialog::onTextChanged");
+ }
+ // Find is disabled for version 1.0, so find methods on WebView are
+ // currently private.
+ //mWebView.findAll(find.toString(),
+ // mFindHandler.obtainMessage(NUM_FOUND));
+ }
+ }
+
+ public void afterTextChanged(Editable s) {
+ }
+}