Add a folder index view in debug mode

Change-Id: I67bb28d95cbe5ab6cf361271b46acc44398f188e

2 files changed, 97 insertions, 2 deletions

diff --git a/src/com/android/browser/homepages/HomeProvider.java b/src/com/android/browser/homepages/HomeProvider.java
index 98fcfbe..49ae694 100644
--- a/src/com/android/browser/homepages/HomeProvider.java
+++ b/src/com/android/browser/homepages/HomeProvider.java
@@ -16,8 +16,6 @@
  */

 package com.android.browser.homepages;

 

-import com.android.browser.BrowserSettings;

-

 import android.content.ContentProvider;

 import android.content.ContentValues;

 import android.content.Context;

@@ -28,8 +26,13 @@ import android.os.ParcelFileDescriptor;
 import android.util.Log;

 import android.webkit.WebResourceResponse;

 

+import com.android.browser.BrowserSettings;

+

+import java.io.File;

 import java.io.IOException;

 import java.io.InputStream;

+import java.io.PipedInputStream;

+import java.io.PipedOutputStream;

 

 public class HomeProvider extends ContentProvider {

 

@@ -95,8 +98,27 @@ public class HomeProvider extends ContentProvider {
                     return new WebResourceResponse("text/html", "utf-8", ins);

                 }

             }

+            boolean listFiles = BrowserSettings.getInstance().isDebugEnabled();

+            if (listFiles && interceptFile(url)) {

+                PipedInputStream ins = new PipedInputStream();

+                PipedOutputStream outs = new PipedOutputStream(ins);

+                new RequestHandler(context, Uri.parse(url), outs).start();

+                return new WebResourceResponse("text/html", "utf-8", ins);

+            }

         } catch (Exception e) {}

         return null;

     }

 

+    private static boolean interceptFile(String url) {

+        if (!url.startsWith("file:///")) {

+            return false;

+        }

+        String fpath = url.substring(7);

+        File f = new File(fpath);

+        if (!f.isDirectory()) {

+            return false;

+        }

+        return true;

+    }

+

 }

diff --git a/src/com/android/browser/homepages/RequestHandler.java b/src/com/android/browser/homepages/RequestHandler.java
index 3eb58e6..1ae5b3e 100644
--- a/src/com/android/browser/homepages/RequestHandler.java
+++ b/src/com/android/browser/homepages/RequestHandler.java
@@ -29,10 +29,14 @@ import android.util.Base64;
 import android.util.Log;

 

 import com.android.browser.R;

+import com.android.browser.homepages.Template.ListEntityIterator;

 

+import java.io.File;

 import java.io.IOException;

 import java.io.InputStream;

 import java.io.OutputStream;

+import java.text.DateFormat;

+import java.text.DecimalFormat;

 import java.util.regex.Matcher;

 import java.util.regex.Pattern;

 

@@ -71,6 +75,10 @@ public class RequestHandler extends Thread {
     }

 

     void doHandleRequest() throws IOException {

+        if ("file".equals(mUri.getScheme())) {

+            writeFolderIndex();

+            return;

+        }

         int match = sUriMatcher.match(mUri);

         switch (match) {

         case INDEX:

@@ -127,6 +135,71 @@ public class RequestHandler extends Thread {
         t.write(mOutput);

     }

 

+    void writeFolderIndex() throws IOException {

+        File f = new File(mUri.getPath());

+        final File[] files = f.listFiles();

+        Template t = Template.getCachedTemplate(mContext, R.raw.folder_view);

+        t.assign("path", mUri.getPath());

+        t.assign("parent_url", f.getParent() != null ? f.getParent() : f.getPath());

+        t.assignLoop("files", new ListEntityIterator() {

+            int index = -1;

+

+            @Override

+            public void writeValue(OutputStream stream, String key) throws IOException {

+                File f = files[index];

+                if ("name".equals(key)) {

+                    stream.write(f.getName().getBytes());

+                }

+                if ("url".equals(key)) {

+                    stream.write(("file://" + f.getAbsolutePath()).getBytes());

+                }

+                if ("type".equals(key)) {

+                    stream.write((f.isDirectory() ? "dir" : "file").getBytes());

+                }

+                if ("size".equals(key)) {

+                    if (f.isFile()) {

+                        stream.write(readableFileSize(f.length()).getBytes());

+                    }

+                }

+                if ("last_modified".equals(key)) {

+                    String date = DateFormat.getDateTimeInstance(

+                            DateFormat.SHORT, DateFormat.SHORT)

+                            .format(f.lastModified());

+                    stream.write(date.getBytes());

+                }

+                if ("alt".equals(key)) {

+                    if (index % 2 == 0) {

+                        stream.write("alt".getBytes());

+                    }

+                }

+            }

+

+            @Override

+            public ListEntityIterator getListIterator(String key) {

+                return null;

+            }

+

+            @Override

+            public void reset() {

+                index = -1;

+            }

+

+            @Override

+            public boolean moveToNext() {

+                return (++index) < files.length;

+            }

+        });

+        t.write(mOutput);

+    }

+

+    static String readableFileSize(long size) {

+        if(size <= 0) return "0";

+        final String[] units = new String[] { "B", "KB", "MB", "GB", "TB" };

+        int digitGroups = (int) (Math.log10(size) / Math.log10(1024));

+        return new DecimalFormat("#,##0.#").format(

+                size / Math.pow(1024, digitGroups)) + " " + units[digitGroups];

+    }

+

     String getUriResourcePath() {

         final Pattern pattern = Pattern.compile("/?res/([\\w/]+)");

         Matcher m = pattern.matcher(mUri.getPath());