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/*
* Copyright (C) 2011 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.swe.browser.preferences;
import android.content.Context;
import android.text.TextUtils;
import android.util.AttributeSet;
import org.codeaurora.swe.WebSettings;
import org.codeaurora.swe.WebView;
import com.android.swe.browser.BrowserSettings;
import com.android.swe.browser.BrowserWebView;
import com.android.swe.browser.WebViewProperties;
public class InvertedContrastPreview extends WebViewPreview {
static final String IMG_ROOT = "content://com.android.swe.browser.home/res/raw/";
static final String[] THUMBS = new String[] {
"thumb_google",
"thumb_amazon",
"thumb_cnn",
"thumb_espn",
"", // break
"thumb_bbc",
"thumb_nytimes",
"thumb_weatherchannel",
"thumb_picasa",
};
String mHtml;
public InvertedContrastPreview(
Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
}
public InvertedContrastPreview(Context context, AttributeSet attrs) {
super(context, attrs);
}
public InvertedContrastPreview(Context context) {
super(context);
}
@Override
protected void init(Context context) {
super.init(context);
StringBuilder builder = new StringBuilder("<html><body style=\"width: 1000px\">");
for (String thumb : THUMBS) {
if (TextUtils.isEmpty(thumb)) {
builder.append("<br />");
continue;
}
builder.append("<img src=\"");
builder.append(IMG_ROOT);
builder.append(thumb);
builder.append("\" /> ");
}
builder.append("</body></html>");
mHtml = builder.toString();
}
@Override
protected void updatePreview(boolean forceReload) {
if (mWebView == null) return;
WebSettings ws = mWebView.getSettings();
BrowserSettings bs = BrowserSettings.getInstance();
ws.setProperty(WebViewProperties.gfxInvertedScreen,
bs.useInvertedRendering() ? "true" : "false");
ws.setProperty(WebViewProperties.gfxInvertedScreenContrast,
Float.toString(bs.getInvertedContrast()));
if (forceReload) {
mWebView.loadData(mHtml, "text/html", null);
}
}
}
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