| /* |
| * Copyright (C) 2006 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.Activity; |
| import android.app.AlertDialog; |
| import android.app.Fragment; |
| import android.app.LoaderManager; |
| import android.content.ClipboardManager; |
| import android.content.ClipData; |
| import android.content.ContentUris; |
| import android.content.ContentValues; |
| import android.content.Context; |
| import android.content.DialogInterface; |
| import android.content.Intent; |
| import android.content.Loader; |
| import android.database.Cursor; |
| import android.graphics.Bitmap; |
| import android.graphics.BitmapFactory; |
| import android.net.Uri; |
| import android.os.Bundle; |
| import android.provider.Browser; |
| import android.provider.BrowserContract; |
| import android.util.Pair; |
| import android.view.ContextMenu; |
| import android.view.ContextMenu.ContextMenuInfo; |
| import android.view.LayoutInflater; |
| import android.view.MenuInflater; |
| import android.view.MenuItem; |
| import android.view.View; |
| import android.view.View.OnClickListener; |
| import android.view.ViewGroup; |
| import android.webkit.WebIconDatabase.IconListener; |
| import android.widget.AdapterView; |
| import android.widget.AdapterView.OnItemClickListener; |
| import android.widget.Button; |
| import android.widget.GridView; |
| import android.widget.Toast; |
| |
| import java.util.Stack; |
| |
| /** |
| * View showing the user's bookmarks in the browser. |
| */ |
| public class BrowserBookmarksPage extends Fragment implements View.OnCreateContextMenuListener, |
| LoaderManager.LoaderCallbacks<Cursor>, OnItemClickListener, IconListener, OnClickListener { |
| |
| static final int BOOKMARKS_SAVE = 1; |
| static final String LOGTAG = "browser"; |
| |
| static final int LOADER_BOOKMARKS = 1; |
| |
| static final String EXTRA_SHORTCUT = "create_shortcut"; |
| static final String EXTRA_DISABLE_WINDOW = "disable_new_window"; |
| |
| BookmarksHistoryCallbacks mCallbacks; |
| GridView mGrid; |
| BrowserBookmarksAdapter mAdapter; |
| boolean mDisableNewWindow; |
| BookmarkItem mContextHeader; |
| boolean mCanceled = false; |
| boolean mCreateShortcut; |
| View mEmptyView; |
| View mContentView; |
| Stack<Pair<String, Uri>> mFolderStack = new Stack<Pair<String, Uri>>(); |
| Button mUpButton; |
| |
| @Override |
| public Loader<Cursor> onCreateLoader(int id, Bundle args) { |
| switch (id) { |
| case LOADER_BOOKMARKS: { |
| int rootFolder = 0; |
| if (args != null) { |
| args.getInt(BookmarksLoader.ARG_ROOT_FOLDER, 0); |
| } |
| return new BookmarksLoader(getActivity(), rootFolder); |
| } |
| } |
| throw new UnsupportedOperationException("Unknown loader id " + id); |
| } |
| |
| @Override |
| public void onLoadFinished(Loader<Cursor> loader, Cursor data) { |
| // Set the visibility of the empty vs. content views |
| if (data == null || data.getCount() == 0) { |
| mEmptyView.setVisibility(View.VISIBLE); |
| mContentView.setVisibility(View.GONE); |
| } else { |
| mEmptyView.setVisibility(View.GONE); |
| mContentView.setVisibility(View.VISIBLE); |
| } |
| |
| // Fill in the "up" button if needed |
| BookmarksLoader bl = (BookmarksLoader) loader; |
| boolean rootFolder = |
| (BrowserContract.Bookmarks.CONTENT_URI_DEFAULT_FOLDER.equals(bl.getUri())); |
| if (rootFolder) { |
| mUpButton.setText(R.string.defaultBookmarksUpButton); |
| mUpButton.setEnabled(false); |
| } else { |
| mUpButton.setText(mFolderStack.peek().first); |
| mUpButton.setEnabled(true); |
| } |
| |
| // Give the new data to the adapter |
| mAdapter.changeCursor(data); |
| } |
| |
| @Override |
| public void onClick(View view) { |
| if (view == mUpButton) { |
| Pair<String, Uri> pair = mFolderStack.pop(); |
| BookmarksLoader loader = |
| (BookmarksLoader) ((Loader) getLoaderManager().getLoader(LOADER_BOOKMARKS)); |
| loader.setUri(pair.second); |
| loader.forceLoad(); |
| } |
| } |
| |
| @Override |
| public boolean onContextItemSelected(MenuItem item) { |
| final Activity activity = getActivity(); |
| // It is possible that the view has been canceled when we get to |
| // this point as back has a higher priority |
| if (mCanceled) { |
| return true; |
| } |
| AdapterView.AdapterContextMenuInfo i = |
| (AdapterView.AdapterContextMenuInfo)item.getMenuInfo(); |
| // If we have no menu info, we can't tell which item was selected. |
| if (i == null) { |
| return true; |
| } |
| |
| switch (item.getItemId()) { |
| case R.id.open_context_menu_id: |
| loadUrl(i.position); |
| break; |
| case R.id.edit_context_menu_id: |
| editBookmark(i.position); |
| break; |
| case R.id.shortcut_context_menu_id: |
| activity.sendBroadcast(createShortcutIntent(i.position)); |
| break; |
| case R.id.delete_context_menu_id: |
| displayRemoveBookmarkDialog(i.position); |
| break; |
| case R.id.new_window_context_menu_id: |
| openInNewWindow(i.position); |
| break; |
| case R.id.share_link_context_menu_id: { |
| Cursor cursor = (Cursor) mAdapter.getItem(i.position); |
| BrowserActivity.sharePage(activity, |
| cursor.getString(BookmarksLoader.COLUMN_INDEX_TITLE), |
| cursor.getString(BookmarksLoader.COLUMN_INDEX_URL), |
| getBitmap(cursor, BookmarksLoader.COLUMN_INDEX_FAVICON), |
| getBitmap(cursor, BookmarksLoader.COLUMN_INDEX_THUMBNAIL)); |
| break; |
| } |
| case R.id.copy_url_context_menu_id: |
| copy(getUrl(i.position)); |
| break; |
| case R.id.homepage_context_menu_id: { |
| BrowserSettings.getInstance().setHomePage(activity, getUrl(i.position)); |
| Toast.makeText(activity, R.string.homepage_set, Toast.LENGTH_LONG).show(); |
| break; |
| } |
| // Only for the Most visited page |
| case R.id.save_to_bookmarks_menu_id: { |
| Cursor cursor = (Cursor) mAdapter.getItem(i.position); |
| String name = cursor.getString(BookmarksLoader.COLUMN_INDEX_TITLE); |
| String url = cursor.getString(BookmarksLoader.COLUMN_INDEX_URL); |
| // If the site is bookmarked, the item becomes remove from |
| // bookmarks. |
| Bookmarks.removeFromBookmarks(activity, activity.getContentResolver(), url, name); |
| break; |
| } |
| default: |
| return super.onContextItemSelected(item); |
| } |
| return true; |
| } |
| |
| Bitmap getBitmap(Cursor cursor, int columnIndex) { |
| byte[] data = cursor.getBlob(columnIndex); |
| if (data == null) { |
| return null; |
| } |
| return BitmapFactory.decodeByteArray(data, 0, data.length); |
| } |
| |
| @Override |
| public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) { |
| AdapterView.AdapterContextMenuInfo info = (AdapterView.AdapterContextMenuInfo) menuInfo; |
| |
| final Activity activity = getActivity(); |
| MenuInflater inflater = activity.getMenuInflater(); |
| inflater.inflate(R.menu.bookmarkscontext, menu); |
| |
| if (mDisableNewWindow) { |
| menu.findItem(R.id.new_window_context_menu_id).setVisible(false); |
| } |
| |
| if (mContextHeader == null) { |
| mContextHeader = new BookmarkItem(activity); |
| } else if (mContextHeader.getParent() != null) { |
| ((ViewGroup) mContextHeader.getParent()).removeView(mContextHeader); |
| } |
| |
| populateBookmarkItem(mAdapter, mContextHeader, info.position); |
| |
| menu.setHeaderView(mContextHeader); |
| } |
| |
| private void populateBookmarkItem(BrowserBookmarksAdapter adapter, BookmarkItem item, |
| int position) { |
| Cursor cursor = (Cursor) mAdapter.getItem(position); |
| String url = cursor.getString(BookmarksLoader.COLUMN_INDEX_URL); |
| item.setUrl(url); |
| item.setName(cursor.getString(BookmarksLoader.COLUMN_INDEX_TITLE)); |
| Bitmap bitmap = getBitmap(cursor, BookmarksLoader.COLUMN_INDEX_FAVICON); |
| if (bitmap == null) { |
| bitmap = CombinedBookmarkHistoryActivity.getIconListenerSet().getFavicon(url); |
| } |
| item.setFavicon(bitmap); |
| } |
| |
| /** |
| * Create a new BrowserBookmarksPage. |
| */ |
| @Override |
| public void onCreate(Bundle icicle) { |
| super.onCreate(icicle); |
| |
| Bundle args = getArguments(); |
| mCreateShortcut = args == null ? false : args.getBoolean("create_shortcut", false); |
| mDisableNewWindow = args == null ? false : args.getBoolean("disable_new_window", false); |
| } |
| |
| @Override |
| public void onAttach(Activity activity) { |
| super.onAttach(activity); |
| mCallbacks = (BookmarksHistoryCallbacks) activity; |
| } |
| |
| @Override |
| public View onCreateView(LayoutInflater inflater, ViewGroup container, |
| Bundle savedInstanceState) { |
| View root = inflater.inflate(R.layout.bookmarks, container, false); |
| mEmptyView = root.findViewById(android.R.id.empty); |
| mContentView = root.findViewById(android.R.id.content); |
| |
| mGrid = (GridView) root.findViewById(R.id.grid); |
| mGrid.setOnItemClickListener(this); |
| mGrid.setColumnWidth(BrowserActivity.getDesiredThumbnailWidth(getActivity())); |
| if (!mCreateShortcut) { |
| mGrid.setOnCreateContextMenuListener(this); |
| } |
| |
| mUpButton = (Button) root.findViewById(R.id.up); |
| mUpButton.setEnabled(false); |
| mUpButton.setOnClickListener(this); |
| |
| mAdapter = new BrowserBookmarksAdapter(getActivity()); |
| mGrid.setAdapter(mAdapter); |
| |
| // Start the loader for the bookmark data |
| getLoaderManager().initLoader(LOADER_BOOKMARKS, null, this); |
| |
| // Add our own listener in case there are favicons that have yet to be loaded. |
| CombinedBookmarkHistoryActivity.getIconListenerSet().addListener(this); |
| |
| return root; |
| } |
| |
| @Override |
| public void onReceivedIcon(String url, Bitmap icon) { |
| // A new favicon has been loaded, so let anything attached to the adapter know about it |
| // so new icons will be loaded. |
| mAdapter.notifyDataSetChanged(); |
| } |
| |
| @Override |
| public void onItemClick(AdapterView parent, View v, int position, long id) { |
| // It is possible that the view has been canceled when we get to |
| // this point as back has a higher priority |
| if (mCanceled) { |
| android.util.Log.e(LOGTAG, "item clicked when dismissing"); |
| return; |
| } |
| if (mCreateShortcut) { |
| Intent intent = createShortcutIntent(position); |
| // the activity handles the intent in startActivityFromFragment |
| startActivity(intent); |
| return; |
| } |
| |
| Cursor cursor = (Cursor) mAdapter.getItem(position); |
| boolean isFolder = cursor.getInt(BookmarksLoader.COLUMN_INDEX_IS_FOLDER) != 0; |
| if (!isFolder) { |
| mCallbacks.onUrlSelected(getUrl(position), false); |
| } else { |
| String title; |
| if (mFolderStack.size() != 0) { |
| title = cursor.getString(BookmarksLoader.COLUMN_INDEX_TITLE); |
| } else { |
| // TODO localize |
| title = "Bookmarks"; |
| } |
| LoaderManager manager = getLoaderManager(); |
| BookmarksLoader loader = |
| (BookmarksLoader) ((Loader) manager.getLoader(LOADER_BOOKMARKS)); |
| mFolderStack.push(new Pair(title, loader.getUri())); |
| Uri uri = ContentUris.withAppendedId( |
| BrowserContract.Bookmarks.CONTENT_URI_DEFAULT_FOLDER, id); |
| loader.setUri(uri); |
| loader.forceLoad(); |
| } |
| } |
| |
| private Intent createShortcutIntent(int position) { |
| Cursor cursor = (Cursor) mAdapter.getItem(position); |
| String url = cursor.getString(BookmarksLoader.COLUMN_INDEX_URL); |
| String title = cursor.getString(BookmarksLoader.COLUMN_INDEX_URL); |
| Bitmap touchIcon = getBitmap(cursor, BookmarksLoader.COLUMN_INDEX_TOUCH_ICON); |
| Bitmap favicon = getBitmap(cursor, BookmarksLoader.COLUMN_INDEX_FAVICON); |
| return BookmarkUtils.createAddToHomeIntent(getActivity(), url, title, touchIcon, favicon); |
| } |
| |
| private void loadUrl(int position) { |
| mCallbacks.onUrlSelected(getUrl(position), false); |
| } |
| |
| private void openInNewWindow(int position) { |
| mCallbacks.onUrlSelected(getUrl(position), true); |
| } |
| |
| private void editBookmark(int position) { |
| Intent intent = new Intent(getActivity(), AddBookmarkPage.class); |
| Cursor cursor = (Cursor) mAdapter.getItem(position); |
| Bundle item = new Bundle(); |
| item.putString(Browser.BookmarkColumns.TITLE, |
| cursor.getString(BookmarksLoader.COLUMN_INDEX_TITLE)); |
| item.putString(Browser.BookmarkColumns.URL, |
| cursor.getString(BookmarksLoader.COLUMN_INDEX_URL)); |
| byte[] data = cursor.getBlob(BookmarksLoader.COLUMN_INDEX_FAVICON); |
| if (data != null) { |
| item.putParcelable(Browser.BookmarkColumns.FAVICON, |
| BitmapFactory.decodeByteArray(data, 0, data.length)); |
| } |
| item.putInt("id", cursor.getInt(BookmarksLoader.COLUMN_INDEX_ID)); |
| intent.putExtra("bookmark", item); |
| startActivityForResult(intent, BOOKMARKS_SAVE); |
| } |
| |
| @Override |
| public void onActivityResult(int requestCode, int resultCode, Intent data) { |
| switch(requestCode) { |
| case BOOKMARKS_SAVE: |
| if (resultCode == Activity.RESULT_OK) { |
| Bundle extras; |
| if (data != null && (extras = data.getExtras()) != null) { |
| // If there are extras, then we need to save |
| // the edited bookmark. This is done in updateRow() |
| String title = extras.getString("title"); |
| String url = extras.getString("url"); |
| if (title != null && url != null) { |
| updateRow(extras); |
| } |
| } |
| } |
| break; |
| } |
| } |
| |
| /** |
| * 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 |
| long id = map.getLong("id"); |
| int position = -1; |
| Cursor cursor = mAdapter.getCursor(); |
| for (cursor.moveToFirst(); !cursor.isAfterLast(); cursor.moveToNext()) { |
| if (cursor.getInt(BookmarksLoader.COLUMN_INDEX_ID) == id) { |
| position = cursor.getPosition(); |
| break; |
| } |
| } |
| if (position < 0) { |
| return; |
| } |
| |
| cursor.moveToPosition(position); |
| ContentValues values = new ContentValues(); |
| String title = map.getString(Browser.BookmarkColumns.TITLE); |
| if (!title.equals(cursor.getString(Browser.HISTORY_PROJECTION_TITLE_INDEX))) { |
| values.put(Browser.BookmarkColumns.TITLE, title); |
| } |
| String url = map.getString(Browser.BookmarkColumns.URL); |
| if (!url.equals(cursor.getString(Browser.HISTORY_PROJECTION_URL_INDEX))) { |
| values.put(Browser.BookmarkColumns.URL, url); |
| } |
| |
| if (map.getBoolean("invalidateThumbnail") == true) { |
| values.putNull(Browser.BookmarkColumns.THUMBNAIL); |
| } |
| |
| if (values.size() > 0) { |
| getActivity().getContentResolver().update( |
| ContentUris.withAppendedId(BrowserContract.Bookmarks.CONTENT_URI, id), |
| values, null, null); |
| } |
| } |
| |
| private void displayRemoveBookmarkDialog(final int position) { |
| // Put up a dialog asking if the user really wants to |
| // delete the bookmark |
| Cursor cursor = (Cursor) mAdapter.getItem(position); |
| Context context = getActivity(); |
| new AlertDialog.Builder(context) |
| .setTitle(R.string.delete_bookmark) |
| .setIcon(android.R.drawable.ic_dialog_alert) |
| .setMessage(context.getText(R.string.delete_bookmark_warning).toString().replace( |
| "%s", cursor.getString(BookmarksLoader.COLUMN_INDEX_TITLE))) |
| .setPositiveButton(R.string.ok, |
| new DialogInterface.OnClickListener() { |
| public void onClick(DialogInterface dialog, int whichButton) { |
| deleteBookmark(position); |
| } |
| }) |
| .setNegativeButton(R.string.cancel, null) |
| .show(); |
| } |
| |
| private String getUrl(int position) { |
| Cursor cursor = (Cursor) mAdapter.getItem(position); |
| return cursor.getString(BookmarksLoader.COLUMN_INDEX_URL); |
| } |
| |
| private void copy(CharSequence text) { |
| ClipboardManager cm = (ClipboardManager) getActivity().getSystemService( |
| Context.CLIPBOARD_SERVICE); |
| cm.setPrimaryClip(ClipData.newRawUri(null, null, Uri.parse(text.toString()))); |
| } |
| |
| /** |
| * Delete the currently highlighted row. |
| */ |
| public void deleteBookmark(int position) { |
| Cursor cursor = (Cursor) mAdapter.getItem(position); |
| String url = cursor.getString(BookmarksLoader.COLUMN_INDEX_URL); |
| String title = cursor.getString(BookmarksLoader.COLUMN_INDEX_TITLE); |
| Bookmarks.removeFromBookmarks(null, getActivity().getContentResolver(), url, title); |
| } |
| } |
