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| author | John Reck <jreck@google.com> | 2011-01-11 10:26:02 -0800 |
|---|---|---|
| committer | John Reck <jreck@google.com> | 2011-01-11 15:17:22 -0800 |
| commit | bafe58a83ade9cfa5c91e7033fae2d08a64603e8 (patch) | |
| tree | 2b186ea38895f7cd694a711d757626329090cb2e /src/com/android/browser/homepages/RequestHandler.java | |
| parent | 1605bef4e1f99805a801308f97ade622b907dc7a (diff) | |
| download | packages_apps_Browser-bafe58a83ade9cfa5c91e7033fae2d08a64603e8.zip packages_apps_Browser-bafe58a83ade9cfa5c91e7033fae2d08a64603e8.tar.gz packages_apps_Browser-bafe58a83ade9cfa5c91e7033fae2d08a64603e8.tar.bz2 | |
Most Visited custom homepage
Change-Id: Ic57762855e5d187aa0fe3a8eab2757b5a76ff08d
Diffstat (limited to 'src/com/android/browser/homepages/RequestHandler.java')
| -rw-r--r-- | src/com/android/browser/homepages/RequestHandler.java | 145 |
1 files changed, 145 insertions, 0 deletions
diff --git a/src/com/android/browser/homepages/RequestHandler.java b/src/com/android/browser/homepages/RequestHandler.java new file mode 100644 index 0000000..a53fb52 --- /dev/null +++ b/src/com/android/browser/homepages/RequestHandler.java @@ -0,0 +1,145 @@ +
+/*
+ * 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.browser.homepages;
+
+import com.android.browser.R;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+import android.content.Context;
+import android.content.UriMatcher;
+import android.content.res.Resources;
+import android.database.Cursor;
+import android.net.Uri;
+import android.provider.Browser;
+import android.util.Base64;
+import android.util.Log;
+
+public class RequestHandler extends Thread {
+
+ private static final String TAG = "RequestHandler";
+ private static final int INDEX = 1;
+ private static final int RESOURCE = 2;
+ private static final UriMatcher sUriMatcher = new UriMatcher(UriMatcher.NO_MATCH);
+
+ Uri mUri;
+ Context mContext;
+ OutputStream mOutput;
+
+ static {
+ sUriMatcher.addURI(HomeProvider.AUTHORITY, "/", INDEX);
+ sUriMatcher.addURI(HomeProvider.AUTHORITY, "res/*/*", RESOURCE);
+ }
+
+ public RequestHandler(Context context, Uri uri, OutputStream out) {
+ mUri = uri;
+ mContext = context;
+ mOutput = out;
+ }
+
+ @Override
+ public void run() {
+ super.run();
+ try {
+ doHandleRequest();
+ } catch (Exception e) {
+ Log.e(TAG, "Failed to handle request: " + mUri, e);
+ } finally {
+ cleanup();
+ }
+ }
+
+ void doHandleRequest() throws IOException {
+ int match = sUriMatcher.match(mUri);
+ switch (match) {
+ case INDEX:
+ writeTemplatedIndex();
+ break;
+ case RESOURCE:
+ writeResource(getUriResourcePath());
+ break;
+ }
+ }
+
+ void writeTemplatedIndex() throws IOException {
+ Template t = Template.getCachedTemplate(mContext, R.raw.most_visited);
+ Cursor cursor = mContext.getContentResolver().query(Browser.BOOKMARKS_URI,
+ new String[] { "DISTINCT url", "title", "thumbnail" },
+ "(visits > 0 OR bookmark = 1) AND url NOT LIKE 'content:%' AND thumbnail IS NOT NULL", null, "visits DESC LIMIT 12");
+
+ t.assignLoop("most_visited", new Template.CursorListEntityWrapper(cursor) {
+ @Override
+ public void writeValue(OutputStream stream, String key) throws IOException {
+ Cursor cursor = getCursor();
+ if (key.equals("url")) {
+ stream.write(cursor.getString(0).getBytes());
+ } else if (key.equals("title")) {
+ stream.write(cursor.getString(1).getBytes());
+ } else if (key.equals("thumbnail")) {
+ stream.write("data:image/png;base64,".getBytes());
+ byte[] thumb = cursor.getBlob(2);
+ stream.write(Base64.encode(thumb, Base64.DEFAULT));
+ }
+ }
+ });
+ t.write(mOutput);
+ }
+
+ String getUriResourcePath() {
+ final Pattern pattern = Pattern.compile("/?res/([\\w/]+)");
+ Matcher m = pattern.matcher(mUri.getPath());
+ if (m.matches()) {
+ return m.group(1);
+ } else {
+ return mUri.getPath();
+ }
+ }
+
+ void writeResource(String fileName) throws IOException {
+ Resources res = mContext.getResources();
+ int id = res.getIdentifier(fileName, null, mContext.getPackageName());
+ if (id != 0) {
+ InputStream in = res.openRawResource(id);
+ byte[] buf = new byte[4096];
+ int read;
+ while ((read = in.read(buf)) > 0) {
+ mOutput.write(buf, 0, read);
+ }
+ }
+ }
+
+ void writeString(String str) throws IOException {
+ mOutput.write(str.getBytes());
+ }
+
+ void writeString(String str, int offset, int count) throws IOException {
+ mOutput.write(str.getBytes(), offset, count);
+ }
+
+ void cleanup() {
+ try {
+ mOutput.close();
+ } catch (Exception e) {
+ Log.e(TAG, "Failed to close pipe!", e);
+ }
+ }
+
+}
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