diff options
Diffstat (limited to 'src/com/android/browser/BrowserBookmarksAdapter.java')
| -rw-r--r-- | src/com/android/browser/BrowserBookmarksAdapter.java | 565 |
1 files changed, 21 insertions, 544 deletions
diff --git a/src/com/android/browser/BrowserBookmarksAdapter.java b/src/com/android/browser/BrowserBookmarksAdapter.java index 241b33b75..e29ca1868 100644 --- a/src/com/android/browser/BrowserBookmarksAdapter.java +++ b/src/com/android/browser/BrowserBookmarksAdapter.java @@ -16,567 +16,44 @@ package com.android.browser; -import android.content.ContentResolver; -import android.content.ContentUris; -import android.content.ContentValues; -import android.database.ContentObserver; +import android.content.Context; import android.database.Cursor; -import android.database.DataSetObserver; import android.graphics.Bitmap; import android.graphics.BitmapFactory; -import android.net.Uri; -import android.os.AsyncTask; -import android.os.Bundle; -import android.os.Handler; -import android.os.Looper; -import android.provider.Browser; -import android.provider.Browser.BookmarkColumns; -import android.view.KeyEvent; -import android.view.LayoutInflater; import android.view.View; -import android.view.ViewGroup; -import android.webkit.WebIconDatabase; -import android.webkit.WebView; -import android.widget.BaseAdapter; import android.widget.ImageView; +import android.widget.ResourceCursorAdapter; import android.widget.TextView; -import java.io.ByteArrayOutputStream; - -class BrowserBookmarksAdapter extends BaseAdapter { - - private String mCurrentPage; - private String mCurrentTitle; - private Bitmap mCurrentThumbnail; - private Cursor mCursor; - private int mCount; - private BrowserBookmarksPage mBookmarksPage; - private ContentResolver mContentResolver; - private boolean mDataValid; - private BookmarkViewMode mViewMode; - private boolean mMostVisited; - private boolean mNeedsOffset; - private int mExtraOffset; - +class BrowserBookmarksAdapter extends ResourceCursorAdapter { /** * Create a new BrowserBookmarksAdapter. - * @param b BrowserBookmarksPage that instantiated this. - * Necessary so it will adjust its focus - * appropriately after a search. - */ - public BrowserBookmarksAdapter(BrowserBookmarksPage b, String curPage, - String curTitle, Bitmap curThumbnail, boolean createShortcut, - boolean mostVisited) { - mNeedsOffset = !(createShortcut || mostVisited); - mMostVisited = mostVisited; - mExtraOffset = mNeedsOffset ? 1 : 0; - mBookmarksPage = b; - mCurrentPage = b.getResources().getString(R.string.current_page) - + curPage; - mCurrentTitle = curTitle; - mCurrentThumbnail = curThumbnail; - mContentResolver = b.getContentResolver(); - mViewMode = BookmarkViewMode.LIST; - - String whereClause; - // FIXME: Should have a default sort order that the user selects. - String orderBy = Browser.BookmarkColumns.VISITS + " DESC"; - if (mostVisited) { - whereClause = Browser.BookmarkColumns.VISITS + " != 0"; - } else { - whereClause = Browser.BookmarkColumns.BOOKMARK + " = 1"; - } - mCursor = b.managedQuery(Browser.BOOKMARKS_URI, - Browser.HISTORY_PROJECTION, whereClause, null, orderBy); - mCursor.registerContentObserver(new ChangeObserver()); - mCursor.registerDataSetObserver(new MyDataSetObserver()); - - mDataValid = true; - notifyDataSetChanged(); - - mCount = mCursor.getCount() + mExtraOffset; - } - - /** - * Return a hashmap with one row's Title, Url, and favicon. - * @param position Position in the list. - * @return Bundle Stores title, url of row position, favicon, and id - * for the url. Return a blank map if position is out of - * range. - */ - public Bundle getRow(int position) { - Bundle map = new Bundle(); - if (position < mExtraOffset || position >= mCount) { - return map; - } - mCursor.moveToPosition(position- mExtraOffset); - String url = mCursor.getString(Browser.HISTORY_PROJECTION_URL_INDEX); - map.putString(Browser.BookmarkColumns.TITLE, - mCursor.getString(Browser.HISTORY_PROJECTION_TITLE_INDEX)); - map.putString(Browser.BookmarkColumns.URL, url); - byte[] data = mCursor.getBlob(Browser.HISTORY_PROJECTION_FAVICON_INDEX); - if (data != null) { - map.putParcelable(Browser.BookmarkColumns.FAVICON, - BitmapFactory.decodeByteArray(data, 0, data.length)); - } - map.putInt("id", mCursor.getInt(Browser.HISTORY_PROJECTION_ID_INDEX)); - return map; - } - - /** - * Update a row in the database with new information. - * Requeries the database if the information has changed. - * @param map Bundle storing id, title and url of new information - */ - public void updateRow(Bundle map) { - - // Find the record - int id = map.getInt("id"); - int position = -1; - for (mCursor.moveToFirst(); !mCursor.isAfterLast(); mCursor.moveToNext()) { - if (mCursor.getInt(Browser.HISTORY_PROJECTION_ID_INDEX) == id) { - position = mCursor.getPosition(); - break; - } - } - if (position < 0) { - return; - } - - mCursor.moveToPosition(position); - ContentValues values = new ContentValues(); - String title = map.getString(Browser.BookmarkColumns.TITLE); - if (!title.equals(mCursor - .getString(Browser.HISTORY_PROJECTION_TITLE_INDEX))) { - values.put(Browser.BookmarkColumns.TITLE, title); - } - String url = map.getString(Browser.BookmarkColumns.URL); - if (!url.equals(mCursor. - getString(Browser.HISTORY_PROJECTION_URL_INDEX))) { - values.put(Browser.BookmarkColumns.URL, url); - } - - if (map.getBoolean("invalidateThumbnail") == true) { - values.put(Browser.BookmarkColumns.THUMBNAIL, new byte[0]); - } - if (values.size() > 0 - && mContentResolver.update(Browser.BOOKMARKS_URI, values, - "_id = " + id, null) != -1) { - refreshList(); - } - } - - /** - * Delete a row from the database. Requeries the database. - * Does nothing if the provided position is out of range. - * @param position Position in the list. - */ - public void deleteRow(int position) { - if (position < mExtraOffset || position >= getCount()) { - return; - } - mCursor.moveToPosition(position- mExtraOffset); - String url = mCursor.getString(Browser.HISTORY_PROJECTION_URL_INDEX); - String title = mCursor.getString(Browser.HISTORY_PROJECTION_TITLE_INDEX); - Bookmarks.removeFromBookmarks(null, mContentResolver, url, title); - refreshList(); - } - - /** - * Delete all bookmarks from the db. Requeries the database. - * All bookmarks with become visited URLs or if never visited - * are removed */ - public void deleteAllRows() { - StringBuilder deleteIds = null; - StringBuilder convertIds = null; - - for (mCursor.moveToFirst(); !mCursor.isAfterLast(); mCursor.moveToNext()) { - String url = mCursor.getString(Browser.HISTORY_PROJECTION_URL_INDEX); - WebIconDatabase.getInstance().releaseIconForPageUrl(url); - int id = mCursor.getInt(Browser.HISTORY_PROJECTION_ID_INDEX); - int numVisits = mCursor.getInt(Browser.HISTORY_PROJECTION_VISITS_INDEX); - if (0 == numVisits) { - if (deleteIds == null) { - deleteIds = new StringBuilder(); - deleteIds.append("( "); - } else { - deleteIds.append(" OR ( "); - } - deleteIds.append(BookmarkColumns._ID); - deleteIds.append(" = "); - deleteIds.append(id); - deleteIds.append(" )"); - } else { - // It is no longer a bookmark, but it is still a visited site. - if (convertIds == null) { - convertIds = new StringBuilder(); - convertIds.append("( "); - } else { - convertIds.append(" OR ( "); - } - convertIds.append(BookmarkColumns._ID); - convertIds.append(" = "); - convertIds.append(id); - convertIds.append(" )"); - } - } - - if (deleteIds != null) { - mContentResolver.delete(Browser.BOOKMARKS_URI, deleteIds.toString(), - null); - } - if (convertIds != null) { - ContentValues values = new ContentValues(); - values.put(Browser.BookmarkColumns.BOOKMARK, 0); - mContentResolver.update(Browser.BOOKMARKS_URI, values, - convertIds.toString(), null); - } - refreshList(); - } - - /** - * Refresh list to recognize a change in the database. - */ - public void refreshList() { - mCursor.requery(); - mCount = mCursor.getCount() + mExtraOffset; - notifyDataSetChanged(); - } - - /** - * Update the bookmark's favicon. This is a convenience method for updating - * a bookmark favicon for the originalUrl and url of the passed in WebView. - * @param cr The ContentResolver to use. - * @param originalUrl The original url before any redirects. - * @param url The current url. - * @param favicon The favicon bitmap to write to the db. - */ - /* package */ static void updateBookmarkFavicon(final ContentResolver cr, - final String originalUrl, final String url, final Bitmap favicon) { - new AsyncTask<Void, Void, Void>() { - protected Void doInBackground(Void... unused) { - final Cursor c = - queryBookmarksForUrl(cr, originalUrl, url, true); - if (c == null) { - return null; - } - if (c.moveToFirst()) { - ContentValues values = new ContentValues(); - final ByteArrayOutputStream os = - new ByteArrayOutputStream(); - favicon.compress(Bitmap.CompressFormat.PNG, 100, os); - values.put(Browser.BookmarkColumns.FAVICON, - os.toByteArray()); - do { - cr.update(ContentUris.withAppendedId( - Browser.BOOKMARKS_URI, c.getInt(0)), - values, null, null); - } while (c.moveToNext()); - } - c.close(); - return null; - } - }.execute(); + public BrowserBookmarksAdapter(Context context) { + // Make sure to tell the CursorAdapter to avoid the observer and auto-requery + // since the Loader will do that for us. + super(context, R.layout.bookmark_thumbnail, null); } - /* package */ static Cursor queryBookmarksForUrl(ContentResolver cr, - String originalUrl, String url, boolean onlyBookmarks) { - if (cr == null || url == null) { - return null; - } - - // If originalUrl is null, just set it to url. - if (originalUrl == null) { - originalUrl = url; - } - - // Look for both the original url and the actual url. This takes in to - // account redirects. - String originalUrlNoQuery = removeQuery(originalUrl); - String urlNoQuery = removeQuery(url); - originalUrl = originalUrlNoQuery + '?'; - url = urlNoQuery + '?'; - - // Use NoQuery to search for the base url (i.e. if the url is - // http://www.yahoo.com/?rs=1, search for http://www.yahoo.com) - // Use url to match the base url with other queries (i.e. if the url is - // http://www.google.com/m, search for - // http://www.google.com/m?some_query) - final String[] selArgs = new String[] { - originalUrlNoQuery, urlNoQuery, originalUrl, url }; - String where = BookmarkColumns.URL + " == ? OR " - + BookmarkColumns.URL + " == ? OR " - + BookmarkColumns.URL + " LIKE ? || '%' OR " - + BookmarkColumns.URL + " LIKE ? || '%'"; - if (onlyBookmarks) { - where = "(" + where + ") AND " + BookmarkColumns.BOOKMARK + " == 1"; - } - final String[] projection = - new String[] { Browser.BookmarkColumns._ID }; - return cr.query(Browser.BOOKMARKS_URI, projection, where, selArgs, - null); - } + @Override + public void bindView(View view, Context context, Cursor cursor) { + View holder = view.findViewById(R.id.holder); + ImageView thumb = (ImageView) view.findViewById(R.id.thumb); + TextView tv = (TextView) view.findViewById(R.id.label); - // Strip the query from the given url. - private static String removeQuery(String url) { - if (url == null) { - return null; - } - int query = url.indexOf('?'); - String noQuery = url; - if (query != -1) { - noQuery = url.substring(0, query); - } - return noQuery; - } - - /** - * How many items should be displayed in the list. - * @return Count of items. - */ - public int getCount() { - if (mDataValid) { - return mCount; - } else { - return 0; - } - } - - public boolean areAllItemsEnabled() { - return true; - } - - public boolean isEnabled(int position) { - return true; - } - - /** - * Get the data associated with the specified position in the list. - * @param position Index of the item whose data we want. - * @return The data at the specified position. - */ - public Object getItem(int position) { - return null; - } + holder.setVisibility(View.GONE); + tv.setText(cursor.getString(BookmarksLoader.COLUMN_INDEX_TITLE)); - /** - * Get the row id associated with the specified position in the list. - * @param position Index of the item whose row id we want. - * @return The id of the item at the specified position. - */ - public long getItemId(int position) { - return position; - } - - /* package */ void switchViewMode(BookmarkViewMode viewMode) { - mViewMode = viewMode; - } - - /* package */ void populateBookmarkItem(BookmarkItem b, int position) { - mCursor.moveToPosition(position - mExtraOffset); - String url = mCursor.getString(Browser.HISTORY_PROJECTION_URL_INDEX); - b.setUrl(url); - b.setName(mCursor.getString(Browser.HISTORY_PROJECTION_TITLE_INDEX)); - byte[] data = mCursor.getBlob(Browser.HISTORY_PROJECTION_FAVICON_INDEX); - Bitmap bitmap = null; - if (data == null) { - bitmap = CombinedBookmarkHistoryActivity.getIconListenerSet() - .getFavicon(url); - } else { - bitmap = BitmapFactory.decodeByteArray(data, 0, data.length); - } - b.setFavicon(bitmap); - } - - /** - * Get a View that displays the data at the specified position - * in the list. - * @param position Index of the item whose view we want. - * @return A View corresponding to the data at the specified position. - */ - public View getView(int position, View convertView, ViewGroup parent) { - if (!mDataValid) { - throw new IllegalStateException( - "this should only be called when the cursor is valid"); - } - if (position < 0 || position > mCount) { - throw new AssertionError( - "BrowserBookmarksAdapter tried to get a view out of range"); - } - if (mViewMode == BookmarkViewMode.GRID) { - if (convertView == null || convertView instanceof AddNewBookmark - || convertView instanceof BookmarkItem) { - LayoutInflater factory = LayoutInflater.from(mBookmarksPage); - convertView - = factory.inflate(R.layout.bookmark_thumbnail, null); - } - View holder = convertView.findViewById(R.id.holder); - ImageView thumb = (ImageView) convertView.findViewById(R.id.thumb); - TextView tv = (TextView) convertView.findViewById(R.id.label); - - if (0 == position && mNeedsOffset) { - // This is to create a bookmark for the current page. - holder.setVisibility(View.VISIBLE); - tv.setText(mCurrentTitle); - - if (mCurrentThumbnail != null) { - thumb.setImageBitmap(mCurrentThumbnail); - } else { - thumb.setImageResource( - R.drawable.browser_thumbnail); - } - return convertView; - } - holder.setVisibility(View.GONE); - mCursor.moveToPosition(position - mExtraOffset); - tv.setText(mCursor.getString( - Browser.HISTORY_PROJECTION_TITLE_INDEX)); - Bitmap thumbnail = getScreenshot(position); - if (thumbnail == null) { - thumb.setImageResource(R.drawable.browser_thumbnail); - } else { - thumb.setImageBitmap(thumbnail); - } - - return convertView; - - } - if (position == 0 && mNeedsOffset) { - AddNewBookmark b; - if (convertView instanceof AddNewBookmark) { - b = (AddNewBookmark) convertView; - } else { - b = new AddNewBookmark(mBookmarksPage); - } - b.setUrl(mCurrentPage); - return b; - } - if (mMostVisited) { - if (convertView == null || !(convertView instanceof HistoryItem)) { - convertView = new HistoryItem(mBookmarksPage); - } - } else { - if (convertView == null || !(convertView instanceof BookmarkItem)) { - convertView = new BookmarkItem(mBookmarksPage); - } - } - bind((BookmarkItem) convertView, position); - if (mMostVisited) { - ((HistoryItem) convertView).setIsBookmark( - getIsBookmark(position)); - } - return convertView; - } - - /** - * Return the title for this item in the list. - */ - public String getTitle(int position) { - return getString(Browser.HISTORY_PROJECTION_TITLE_INDEX, position); - } - - /** - * Return the Url for this item in the list. - */ - public String getUrl(int position) { - return getString(Browser.HISTORY_PROJECTION_URL_INDEX, position); - } - - /** - * Return the screenshot for this item in the list. - */ - public Bitmap getScreenshot(int position) { - return getBitmap(Browser.HISTORY_PROJECTION_THUMBNAIL_INDEX, position); - } - - /** - * Return the favicon for this item in the list. - */ - public Bitmap getFavicon(int position) { - return getBitmap(Browser.HISTORY_PROJECTION_FAVICON_INDEX, position); - } - - public Bitmap getTouchIcon(int position) { - return getBitmap(Browser.HISTORY_PROJECTION_TOUCH_ICON_INDEX, position); - } - - private Bitmap getBitmap(int cursorIndex, int position) { - if (position < mExtraOffset || position > mCount) { - return null; - } - mCursor.moveToPosition(position - mExtraOffset); - byte[] data = mCursor.getBlob(cursorIndex); - if (data == null) { - return null; - } - return BitmapFactory.decodeByteArray(data, 0, data.length); - } - - /** - * Return whether or not this item represents a bookmarked site. - */ - public boolean getIsBookmark(int position) { - if (position < mExtraOffset || position > mCount) { - return false; - } - mCursor.moveToPosition(position - mExtraOffset); - return (1 == mCursor.getInt(Browser.HISTORY_PROJECTION_BOOKMARK_INDEX)); - } - - /** - * Private helper function to return the title or url. - */ - private String getString(int cursorIndex, int position) { - if (position < mExtraOffset || position > mCount) { - return ""; - } - mCursor.moveToPosition(position- mExtraOffset); - return mCursor.getString(cursorIndex); - } - - private void bind(BookmarkItem b, int position) { - mCursor.moveToPosition(position- mExtraOffset); - - b.setName(mCursor.getString(Browser.HISTORY_PROJECTION_TITLE_INDEX)); - String url = mCursor.getString(Browser.HISTORY_PROJECTION_URL_INDEX); - b.setUrl(url); - byte[] data = mCursor.getBlob(Browser.HISTORY_PROJECTION_FAVICON_INDEX); + Bitmap thumbnail = null; + byte[] data = cursor.getBlob(BookmarksLoader.COLUMN_INDEX_THUMBNAIL); if (data != null) { - b.setFavicon(BitmapFactory.decodeByteArray(data, 0, data.length)); - } else { - b.setFavicon(CombinedBookmarkHistoryActivity.getIconListenerSet() - .getFavicon(url)); + thumbnail = BitmapFactory.decodeByteArray(data, 0, data.length); } - } - private class ChangeObserver extends ContentObserver { - public ChangeObserver() { - super(new Handler(Looper.getMainLooper())); - } - - @Override - public boolean deliverSelfNotifications() { - return true; - } - - @Override - public void onChange(boolean selfChange) { - refreshList(); - } - } - - private class MyDataSetObserver extends DataSetObserver { - @Override - public void onChanged() { - mDataValid = true; - notifyDataSetChanged(); - } - - @Override - public void onInvalidated() { - mDataValid = false; - notifyDataSetInvalidated(); + if (thumbnail == null) { + thumb.setImageResource(R.drawable.browser_thumbnail); + } else { + thumb.setImageBitmap(thumbnail); } } } |