| /* |
| * 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.app.Dialog; |
| import android.content.Context; |
| import android.content.res.Configuration; |
| import android.os.Bundle; |
| import android.os.Handler; |
| import android.os.Message; |
| import android.text.Editable; |
| import android.text.Spannable; |
| import android.text.TextWatcher; |
| import android.view.Gravity; |
| import android.view.KeyEvent; |
| import android.view.View; |
| import android.view.ViewGroup; |
| import android.view.Window; |
| import android.view.WindowManager; |
| import android.view.inputmethod.InputMethodManager; |
| import android.webkit.WebView; |
| import android.widget.EditText; |
| import android.widget.TextView; |
| |
| /* package */ class FindDialog extends Dialog implements TextWatcher { |
| private WebView mWebView; |
| private TextView mMatches; |
| private BrowserActivity mBrowserActivity; |
| |
| // Views with which the user can interact. |
| private EditText mEditText; |
| private View mNextButton; |
| private View mPrevButton; |
| private View mMatchesView; |
| |
| 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"); |
| } |
| mWebView.findNext(false); |
| hideSoftInput(); |
| } |
| }; |
| |
| /* |
| * Remove the soft keyboard from the screen. |
| */ |
| private void hideSoftInput() { |
| InputMethodManager imm = (InputMethodManager) |
| mBrowserActivity.getSystemService(Context.INPUT_METHOD_SERVICE); |
| imm.hideSoftInputFromWindow(mEditText.getWindowToken(), 0); |
| } |
| |
| private void disableButtons() { |
| mPrevButton.setEnabled(false); |
| mNextButton.setEnabled(false); |
| mPrevButton.setFocusable(false); |
| mNextButton.setFocusable(false); |
| } |
| |
| /* package */ void setWebView(WebView webview) { |
| mWebView = webview; |
| } |
| |
| /* package */ FindDialog(BrowserActivity context) { |
| super(context, R.style.FindDialogTheme); |
| mBrowserActivity = context; |
| setCanceledOnTouchOutside(true); |
| } |
| |
| /* package */ void onConfigurationChanged(Configuration newConfig) { |
| // FIXME: Would like to call mWebView.findAll again, so that the |
| // matches would refresh, but the new picture has not yet been |
| // created, so it is too soon. |
| mEditText.getText().clear(); |
| } |
| |
| @Override |
| protected void onCreate(Bundle savedInstanceState) { |
| super.onCreate(savedInstanceState); |
| |
| Window theWindow = getWindow(); |
| theWindow.setGravity(Gravity.BOTTOM|Gravity.FILL_HORIZONTAL); |
| |
| setContentView(R.layout.browser_find); |
| |
| theWindow.setLayout(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); |
| |
| mMatches = (TextView) findViewById(R.id.matches); |
| mMatchesView = findViewById(R.id.matches_view); |
| disableButtons(); |
| theWindow.setSoftInputMode( |
| WindowManager.LayoutParams.SOFT_INPUT_STATE_VISIBLE); |
| } |
| |
| public void dismiss() { |
| super.dismiss(); |
| mBrowserActivity.closeFind(); |
| mWebView.clearMatches(); |
| } |
| |
| @Override |
| public boolean dispatchKeyEvent(KeyEvent event) { |
| if (event.getKeyCode() == KeyEvent.KEYCODE_ENTER |
| && event.getAction() == KeyEvent.ACTION_UP |
| && mEditText.hasFocus()) { |
| findNext(); |
| return true; |
| } |
| return super.dispatchKeyEvent(event); |
| } |
| |
| private void findNext() { |
| if (mWebView == null) { |
| throw new AssertionError("No WebView for FindDialog::findNext"); |
| } |
| mWebView.findNext(true); |
| hideSoftInput(); |
| } |
| |
| public void show() { |
| super.show(); |
| mEditText.requestFocus(); |
| mEditText.setText(""); |
| Spannable span = (Spannable) mEditText.getText(); |
| span.setSpan(this, 0, span.length(), |
| Spannable.SPAN_INCLUSIVE_INCLUSIVE); |
| setMatchesFound(0); |
| 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) { |
| if (mWebView == null) { |
| throw new AssertionError( |
| "No WebView for FindDialog::onTextChanged"); |
| } |
| CharSequence find = mEditText.getText(); |
| if (0 == find.length()) { |
| disableButtons(); |
| mWebView.clearMatches(); |
| mMatchesView.setVisibility(View.INVISIBLE); |
| } else { |
| mMatchesView.setVisibility(View.VISIBLE); |
| mWebView.setFindDialogHeight( |
| getWindow().getDecorView().getHeight()); |
| int found = mWebView.findAll(find.toString()); |
| setMatchesFound(found); |
| if (found < 2) { |
| disableButtons(); |
| if (found == 0) { |
| setMatchesFound(0); |
| } |
| } else { |
| mPrevButton.setFocusable(true); |
| mNextButton.setFocusable(true); |
| mPrevButton.setEnabled(true); |
| mNextButton.setEnabled(true); |
| } |
| } |
| } |
| |
| private void setMatchesFound(int found) { |
| String template = mBrowserActivity.getResources(). |
| getQuantityString(R.plurals.matches_found, found, found); |
| |
| mMatches.setText(template); |
| } |
| |
| public void afterTextChanged(Editable s) { |
| } |
| } |