513 lines
18 KiB
Java
513 lines
18 KiB
Java
![]() |
/*
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* Copyright (C) 2006 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package android.provider;
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import android.compat.annotation.UnsupportedAppUsage;
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import android.content.ContentResolver;
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import android.content.Context;
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import android.content.Intent;
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import android.database.Cursor;
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import android.database.DatabaseUtils;
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import android.database.MatrixCursor;
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import android.graphics.BitmapFactory;
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import android.net.Uri;
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import android.provider.BrowserContract.Bookmarks;
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import android.provider.BrowserContract.Combined;
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import android.provider.BrowserContract.History;
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import android.webkit.WebIconDatabase;
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public class Browser {
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private static final String LOGTAG = "browser";
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/**
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* A table containing both bookmarks and history items. The columns of the table are defined in
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* {@link BookmarkColumns}.
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* @removed
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*/
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public static final Uri BOOKMARKS_URI = Uri.parse("content://browser/bookmarks");
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/**
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* The name of extra data when starting Browser with ACTION_VIEW or
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* ACTION_SEARCH intent.
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* <p>
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* The value should be an integer between 0 and 1000. If not set or set to
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* 0, the Browser will use default. If set to 100, the Browser will start
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* with 100%.
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*/
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public static final String INITIAL_ZOOM_LEVEL = "browser.initialZoomLevel";
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/**
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* The name of the extra data when starting the Browser from another
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* application.
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* <p>
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* The value is a unique identification string that will be used to
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* identify the calling application. The Browser will attempt to reuse the
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* same window each time the application launches the Browser with the same
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* identifier.
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*/
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public static final String EXTRA_APPLICATION_ID = "com.android.browser.application_id";
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/**
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* The name of the extra data in the VIEW intent. The data are key/value
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* pairs in the format of Bundle. They will be sent in the HTTP request
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* headers for the provided url. The keys can't be the standard HTTP headers
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* as they are set by the WebView. The url's schema must be http(s).
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* <p>
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*/
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public static final String EXTRA_HEADERS = "com.android.browser.headers";
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/** @removed if you change column order you must also change indices below */
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public static final String[] HISTORY_PROJECTION = new String[] {
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BookmarkColumns._ID, // 0
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BookmarkColumns.URL, // 1
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BookmarkColumns.VISITS, // 2
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BookmarkColumns.DATE, // 3
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BookmarkColumns.BOOKMARK, // 4
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BookmarkColumns.TITLE, // 5
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BookmarkColumns.FAVICON, // 6
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BookmarkColumns.THUMBNAIL, // 7
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BookmarkColumns.TOUCH_ICON, // 8
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BookmarkColumns.USER_ENTERED, // 9
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};
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/** @removed these indices dependent on HISTORY_PROJECTION */
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public static final int HISTORY_PROJECTION_ID_INDEX = 0;
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/** @removed */
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public static final int HISTORY_PROJECTION_URL_INDEX = 1;
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/** @removed */
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public static final int HISTORY_PROJECTION_VISITS_INDEX = 2;
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/** @removed */
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public static final int HISTORY_PROJECTION_DATE_INDEX = 3;
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/** @removed */
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public static final int HISTORY_PROJECTION_BOOKMARK_INDEX = 4;
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/** @removed */
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public static final int HISTORY_PROJECTION_TITLE_INDEX = 5;
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/** @removed */
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public static final int HISTORY_PROJECTION_FAVICON_INDEX = 6;
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/**
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* @hide
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*/
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public static final int HISTORY_PROJECTION_THUMBNAIL_INDEX = 7;
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/**
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* @hide
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*/
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public static final int HISTORY_PROJECTION_TOUCH_ICON_INDEX = 8;
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/** @removed columns needed to determine whether to truncate history @removed */
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public static final String[] TRUNCATE_HISTORY_PROJECTION = new String[] {
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BookmarkColumns._ID,
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BookmarkColumns.DATE,
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};
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/** @removed */
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public static final int TRUNCATE_HISTORY_PROJECTION_ID_INDEX = 0;
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/** @removed truncate this many history items at a time */
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public static final int TRUNCATE_N_OLDEST = 5;
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/**
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* A table containing a log of browser searches. The columns of the table are defined in
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* {@link SearchColumns}.
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* @removed
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*/
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public static final Uri SEARCHES_URI = Uri.parse("content://browser/searches");
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/**
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* A projection of {@link #SEARCHES_URI} that contains {@link SearchColumns#_ID},
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* {@link SearchColumns#SEARCH}, and {@link SearchColumns#DATE}.
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* @removed
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*/
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public static final String[] SEARCHES_PROJECTION = new String[] {
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// if you change column order you must also change indices below
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SearchColumns._ID, // 0
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SearchColumns.SEARCH, // 1
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SearchColumns.DATE, // 2
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};
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/** @removed these indices dependent on SEARCHES_PROJECTION */
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public static final int SEARCHES_PROJECTION_SEARCH_INDEX = 1;
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/** @removed */
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public static final int SEARCHES_PROJECTION_DATE_INDEX = 2;
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/* Set a cap on the count of history items in the history/bookmark
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table, to prevent db and layout operations from dragging to a
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crawl. Revisit this cap when/if db/layout performance
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improvements are made. Note: this does not affect bookmark
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entries -- if the user wants more bookmarks than the cap, they
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get them. */
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private static final int MAX_HISTORY_COUNT = 250;
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/**
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* Open an activity to save a bookmark. Launch with a title
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* and/or a url, both of which can be edited by the user before saving.
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*
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* @param c Context used to launch the activity to add a bookmark.
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* @param title Title for the bookmark. Can be null or empty string.
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* @param url Url for the bookmark. Can be null or empty string.
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* @removed
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*/
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public static final void saveBookmark(Context c,
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String title,
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String url) {
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}
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/**
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* Boolean extra passed along with an Intent to a browser, specifying that
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* a new tab be created. Overrides EXTRA_APPLICATION_ID; if both are set,
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* a new tab will be used, rather than using the same one.
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*/
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public static final String EXTRA_CREATE_NEW_TAB = "create_new_tab";
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/**
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* Stores a Bitmap extra in an {@link Intent} representing the screenshot of
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* a page to share. When receiving an {@link Intent#ACTION_SEND} from the
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* Browser, use this to access the screenshot.
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* @hide
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*/
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public final static String EXTRA_SHARE_SCREENSHOT = "share_screenshot";
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/**
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* Stores a Bitmap extra in an {@link Intent} representing the favicon of a
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* page to share. When receiving an {@link Intent#ACTION_SEND} from the
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* Browser, use this to access the favicon.
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* @hide
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*/
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public final static String EXTRA_SHARE_FAVICON = "share_favicon";
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/**
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* Sends the given string using an Intent with {@link Intent#ACTION_SEND} and a mime type
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* of text/plain. The string is put into {@link Intent#EXTRA_TEXT}.
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*
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* @param context the context used to start the activity
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* @param string the string to send
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*/
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public static final void sendString(Context context, String string) {
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sendString(context, string, context.getString(com.android.internal.R.string.sendText));
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}
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/**
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* Find an application to handle the given string and, if found, invoke
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* it with the given string as a parameter.
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* @param c Context used to launch the new activity.
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* @param stringToSend The string to be handled.
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* @param chooserDialogTitle The title of the dialog that allows the user
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* to select between multiple applications that are all capable of handling
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* the string.
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* @hide pending API council approval
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*/
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@UnsupportedAppUsage
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public static final void sendString(Context c,
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String stringToSend,
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String chooserDialogTitle) {
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Intent send = new Intent(Intent.ACTION_SEND);
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send.setType("text/plain");
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send.putExtra(Intent.EXTRA_TEXT, stringToSend);
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try {
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Intent i = Intent.createChooser(send, chooserDialogTitle);
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// In case this is called from outside an Activity
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i.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
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c.startActivity(i);
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} catch(android.content.ActivityNotFoundException ex) {
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// if no app handles it, do nothing
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}
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}
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/**
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* Return a cursor pointing to a list of all the bookmarks. The cursor will have a single
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* column, {@link BookmarkColumns#URL}.
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*
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* @param cr The ContentResolver used to access the database.
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* @removed
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*/
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public static final Cursor getAllBookmarks(ContentResolver cr) throws
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IllegalStateException {
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return new MatrixCursor(new String[]{Bookmarks.URL}, 0);
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}
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/**
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* Return a cursor pointing to a list of all visited site urls. The cursor will
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* have a single column, {@link BookmarkColumns#URL}.
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*
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* @param cr The ContentResolver used to access the database.
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* @removed
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*/
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public static final Cursor getAllVisitedUrls(ContentResolver cr) throws
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IllegalStateException {
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return new MatrixCursor(new String[]{Combined.URL}, 0);
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}
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private static final void addOrUrlEquals(StringBuilder sb) {
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sb.append(" OR " + BookmarkColumns.URL + " = ");
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}
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private static final Cursor getVisitedLike(ContentResolver cr, String url) {
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boolean secure = false;
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String compareString = url;
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if (compareString.startsWith("http://")) {
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compareString = compareString.substring(7);
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} else if (compareString.startsWith("https://")) {
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compareString = compareString.substring(8);
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secure = true;
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}
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if (compareString.startsWith("www.")) {
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compareString = compareString.substring(4);
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}
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StringBuilder whereClause = null;
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if (secure) {
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whereClause = new StringBuilder(Bookmarks.URL + " = ");
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DatabaseUtils.appendEscapedSQLString(whereClause,
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"https://" + compareString);
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addOrUrlEquals(whereClause);
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DatabaseUtils.appendEscapedSQLString(whereClause,
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"https://www." + compareString);
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} else {
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whereClause = new StringBuilder(Bookmarks.URL + " = ");
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DatabaseUtils.appendEscapedSQLString(whereClause,
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compareString);
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addOrUrlEquals(whereClause);
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String wwwString = "www." + compareString;
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DatabaseUtils.appendEscapedSQLString(whereClause,
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wwwString);
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addOrUrlEquals(whereClause);
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DatabaseUtils.appendEscapedSQLString(whereClause,
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"http://" + compareString);
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addOrUrlEquals(whereClause);
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DatabaseUtils.appendEscapedSQLString(whereClause,
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"http://" + wwwString);
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}
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return cr.query(History.CONTENT_URI, new String[] { History._ID, History.VISITS },
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whereClause.toString(), null, null);
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}
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/**
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* Update the visited history to acknowledge that a site has been
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* visited.
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*
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* @param cr The ContentResolver used to access the database.
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* @param url The site being visited.
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* @param real If true, this is an actual visit, and should add to the
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* number of visits. If false, the user entered it manually.
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* @removed
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*/
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public static final void updateVisitedHistory(ContentResolver cr,
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String url, boolean real) {
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}
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/**
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* Returns all the URLs in the history.
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*
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* @param cr The ContentResolver used to access the database.
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* @hide pending API council approval
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*/
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@Deprecated
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@UnsupportedAppUsage
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public static final String[] getVisitedHistory(ContentResolver cr) {
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return new String[0];
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}
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/**
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* If there are more than MAX_HISTORY_COUNT non-bookmark history
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* items in the bookmark/history table, delete TRUNCATE_N_OLDEST
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* of them. This is used to keep our history table to a
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* reasonable size. Note: it does not prune bookmarks. If the
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* user wants 1000 bookmarks, the user gets 1000 bookmarks.
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*
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* @param cr The ContentResolver used to access the database.
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* @removed
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*/
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public static final void truncateHistory(ContentResolver cr) {
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}
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/**
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* Returns whether there is any history to clear.
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*
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* @param cr The ContentResolver used to access the database.
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* @return boolean True if the history can be cleared.
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* @removed
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*/
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public static final boolean canClearHistory(ContentResolver cr) {
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return false;
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}
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/**
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* Delete all entries from the bookmarks/history table which are
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* not bookmarks. Also set all visited bookmarks to unvisited.
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*
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* @param cr The ContentResolver used to access the database.
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* @removed
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*/
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public static final void clearHistory(ContentResolver cr) {
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}
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/**
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* Delete all history items from begin to end.
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*
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* @param cr The ContentResolver used to access the database.
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* @param begin First date to remove. If -1, all dates before end.
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* Inclusive.
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* @param end Last date to remove. If -1, all dates after begin.
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* Non-inclusive.
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* @removed
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*/
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public static final void deleteHistoryTimeFrame(ContentResolver cr,
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long begin, long end) {
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}
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/**
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* Remove a specific url from the history database.
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*
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* @param cr The ContentResolver used to access the database.
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* @param url url to remove.
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* @removed
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*/
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public static final void deleteFromHistory(ContentResolver cr,
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String url) {
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}
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/**
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* Add a search string to the searches database.
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*
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* @param cr The ContentResolver used to access the database.
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* @param search The string to add to the searches database.
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* @removed
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*/
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public static final void addSearchUrl(ContentResolver cr, String search) {
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}
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/**
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* Remove all searches from the search database.
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*
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* @param cr The ContentResolver used to access the database.
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* @removed
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*/
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public static final void clearSearches(ContentResolver cr) {
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}
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/**
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* Request all icons from the database. This call must either be called
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* in the main thread or have had Looper.prepare() invoked in the calling
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* thread.
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*
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* @param cr The ContentResolver used to access the database.
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* @param where Clause to be used to limit the query from the database.
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* Must be an allowable string to be passed into a database query.
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* @param listener IconListener that gets the icons once they are
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* retrieved.
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* @removed
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*/
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public static final void requestAllIcons(ContentResolver cr, String where,
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WebIconDatabase.IconListener listener) {
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// Do nothing: this is no longer used.
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}
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/**
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* Column definitions for the mixed bookmark and history items available
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* at {@link #BOOKMARKS_URI}.
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* @removed
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*/
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public static class BookmarkColumns implements BaseColumns {
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/**
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* The URL of the bookmark or history item.
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* <p>Type: TEXT (URL)</p>
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*/
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public static final String URL = "url";
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|
/**
|
||
|
* The number of time the item has been visited.
|
||
|
* <p>Type: NUMBER</p>
|
||
|
*/
|
||
|
public static final String VISITS = "visits";
|
||
|
|
||
|
/**
|
||
|
* The date the item was last visited, in milliseconds since the epoch.
|
||
|
* <p>Type: NUMBER (date in milliseconds since January 1, 1970)</p>
|
||
|
*/
|
||
|
public static final String DATE = "date";
|
||
|
|
||
|
/**
|
||
|
* Flag indicating that an item is a bookmark. A value of 1 indicates a bookmark, a value
|
||
|
* of 0 indicates a history item.
|
||
|
* <p>Type: INTEGER (boolean)</p>
|
||
|
*/
|
||
|
public static final String BOOKMARK = "bookmark";
|
||
|
|
||
|
/**
|
||
|
* The user visible title of the bookmark or history item.
|
||
|
* <p>Type: TEXT</p>
|
||
|
*/
|
||
|
public static final String TITLE = "title";
|
||
|
|
||
|
/**
|
||
|
* The date the item created, in milliseconds since the epoch.
|
||
|
* <p>Type: NUMBER (date in milliseconds since January 1, 1970)</p>
|
||
|
*/
|
||
|
public static final String CREATED = "created";
|
||
|
|
||
|
/**
|
||
|
* The favicon of the bookmark. Must decode via {@link BitmapFactory#decodeByteArray}.
|
||
|
* <p>Type: BLOB (image)</p>
|
||
|
*/
|
||
|
public static final String FAVICON = "favicon";
|
||
|
|
||
|
/**
|
||
|
* @hide
|
||
|
*/
|
||
|
public static final String THUMBNAIL = "thumbnail";
|
||
|
|
||
|
/**
|
||
|
* @hide
|
||
|
*/
|
||
|
public static final String TOUCH_ICON = "touch_icon";
|
||
|
|
||
|
/**
|
||
|
* @hide
|
||
|
*/
|
||
|
public static final String USER_ENTERED = "user_entered";
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Column definitions for the search history table, available at {@link #SEARCHES_URI}.
|
||
|
* @removed
|
||
|
*/
|
||
|
public static class SearchColumns implements BaseColumns {
|
||
|
/**
|
||
|
* @deprecated Not used.
|
||
|
*/
|
||
|
@Deprecated
|
||
|
public static final String URL = "url";
|
||
|
|
||
|
/**
|
||
|
* The user entered search term.
|
||
|
*/
|
||
|
public static final String SEARCH = "search";
|
||
|
|
||
|
/**
|
||
|
* The date the search was performed, in milliseconds since the epoch.
|
||
|
* <p>Type: NUMBER (date in milliseconds since January 1, 1970)</p>
|
||
|
*/
|
||
|
public static final String DATE = "date";
|
||
|
}
|
||
|
}
|