| /* |
| * Copyright (C) 2012 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 android.webkit; |
| |
| import android.graphics.Bitmap; |
| |
| import java.net.MalformedURLException; |
| import java.net.URL; |
| |
| /* package */ class WebHistoryItemClassic extends WebHistoryItem implements Cloneable { |
| // Global identifier count. |
| private static int sNextId = 0; |
| // Unique identifier. |
| private final int mId; |
| // A point to a native WebHistoryItem instance which contains the actual data |
| private int mNativeBridge; |
| // The favicon for this item. |
| private Bitmap mFavicon; |
| // The pre-flattened data used for saving the state. |
| private byte[] mFlattenedData; |
| // The apple-touch-icon url for use when adding the site to the home screen, |
| // as obtained from a <link> element in the page. |
| private String mTouchIconUrlFromLink; |
| // If no <link> is specified, this holds the default location of the |
| // apple-touch-icon. |
| private String mTouchIconUrlServerDefault; |
| // Custom client data that is not flattened or read by native code. |
| private Object mCustomData; |
| |
| /** |
| * Basic constructor that assigns a unique id to the item. Called by JNI |
| * only. |
| */ |
| private WebHistoryItemClassic(int nativeBridge) { |
| synchronized (WebHistoryItemClassic.class) { |
| mId = sNextId++; |
| } |
| mNativeBridge = nativeBridge; |
| nativeRef(mNativeBridge); |
| } |
| |
| protected void finalize() throws Throwable { |
| if (mNativeBridge != 0) { |
| nativeUnref(mNativeBridge); |
| mNativeBridge = 0; |
| } |
| } |
| |
| /** |
| * Construct a new WebHistoryItem with initial flattened data. |
| * @param data The pre-flattened data coming from restoreState. |
| */ |
| /*package*/ WebHistoryItemClassic(byte[] data) { |
| mFlattenedData = data; |
| synchronized (WebHistoryItemClassic.class) { |
| mId = sNextId++; |
| } |
| } |
| |
| /** |
| * Construct a clone of a WebHistoryItem from the given item. |
| * @param item The history item to clone. |
| */ |
| private WebHistoryItemClassic(WebHistoryItemClassic item) { |
| mFlattenedData = item.mFlattenedData; |
| mId = item.mId; |
| mFavicon = item.mFavicon; |
| mNativeBridge = item.mNativeBridge; |
| if (mNativeBridge != 0) { |
| nativeRef(mNativeBridge); |
| } |
| } |
| |
| @Deprecated |
| public int getId() { |
| return mId; |
| } |
| |
| public String getUrl() { |
| if (mNativeBridge == 0) return null; |
| return nativeGetUrl(mNativeBridge); |
| } |
| |
| public String getOriginalUrl() { |
| if (mNativeBridge == 0) return null; |
| return nativeGetOriginalUrl(mNativeBridge); |
| } |
| |
| public String getTitle() { |
| if (mNativeBridge == 0) return null; |
| return nativeGetTitle(mNativeBridge); |
| } |
| |
| public Bitmap getFavicon() { |
| if (mFavicon == null && mNativeBridge != 0) { |
| mFavicon = nativeGetFavicon(mNativeBridge); |
| } |
| return mFavicon; |
| } |
| |
| /** |
| * Return the touch icon url. |
| * If no touch icon <link> tag was specified, returns |
| * <host>/apple-touch-icon.png. The DownloadTouchIcon class that |
| * attempts to retrieve the touch icon will handle the case where |
| * that file does not exist. An icon set by a <link> tag is always |
| * used in preference to an icon saved on the server. |
| * @hide |
| */ |
| public String getTouchIconUrl() { |
| if (mTouchIconUrlFromLink != null) { |
| return mTouchIconUrlFromLink; |
| } else if (mTouchIconUrlServerDefault != null) { |
| return mTouchIconUrlServerDefault; |
| } |
| |
| try { |
| URL url = new URL(getOriginalUrl()); |
| mTouchIconUrlServerDefault = new URL(url.getProtocol(), url.getHost(), url.getPort(), |
| "/apple-touch-icon.png").toString(); |
| } catch (MalformedURLException e) { |
| return null; |
| } |
| return mTouchIconUrlServerDefault; |
| } |
| |
| /** |
| * Return the custom data provided by the client. |
| * @hide |
| */ |
| public Object getCustomData() { |
| return mCustomData; |
| } |
| |
| /** |
| * Set the custom data field. |
| * @param data An Object containing any data the client wishes to associate |
| * with the item. |
| * @hide |
| */ |
| public void setCustomData(Object data) { |
| // NOTE: WebHistoryItems are used in multiple threads. However, the |
| // public facing apis are all getters with the exception of this one |
| // api. Since this api is exclusive to clients, we don't make any |
| // promises about thread safety. |
| mCustomData = data; |
| } |
| |
| /** |
| * Set the favicon. |
| * @param icon A Bitmap containing the favicon for this history item. |
| * Note: The VM ensures 32-bit atomic read/write operations so we don't have |
| * to synchronize this method. |
| */ |
| /*package*/ void setFavicon(Bitmap icon) { |
| mFavicon = icon; |
| } |
| |
| /** |
| * Set the touch icon url. Will not overwrite an icon that has been |
| * set already from a <link> tag, unless the new icon is precomposed. |
| * @hide |
| */ |
| /*package*/ void setTouchIconUrl(String url, boolean precomposed) { |
| if (precomposed || mTouchIconUrlFromLink == null) { |
| mTouchIconUrlFromLink = url; |
| } |
| } |
| |
| /** |
| * Get the pre-flattened data. |
| * Note: The VM ensures 32-bit atomic read/write operations so we don't have |
| * to synchronize this method. |
| */ |
| /*package*/ byte[] getFlattenedData() { |
| if (mNativeBridge != 0) { |
| return nativeGetFlattenedData(mNativeBridge); |
| } |
| return mFlattenedData; |
| } |
| |
| /** |
| * Inflate this item. |
| * Note: The VM ensures 32-bit atomic read/write operations so we don't have |
| * to synchronize this method. |
| */ |
| /*package*/ void inflate(int nativeFrame) { |
| mNativeBridge = inflate(nativeFrame, mFlattenedData); |
| mFlattenedData = null; |
| } |
| |
| public synchronized WebHistoryItemClassic clone() { |
| return new WebHistoryItemClassic(this); |
| } |
| |
| /* Natively inflate this item, this method is called in the WebCore thread. |
| */ |
| private native int inflate(int nativeFrame, byte[] data); |
| private native void nativeRef(int nptr); |
| private native void nativeUnref(int nptr); |
| private native String nativeGetTitle(int nptr); |
| private native String nativeGetUrl(int nptr); |
| private native String nativeGetOriginalUrl(int nptr); |
| private native byte[] nativeGetFlattenedData(int nptr); |
| private native Bitmap nativeGetFavicon(int nptr); |
| |
| } |