WebContentsImpl.java revision 116680a4aac90f2aa7413d9095a592090648e557 
1// Copyright 2013 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5package org.chromium.content.browser.webcontents;
6
7import org.chromium.base.CalledByNative;
8import org.chromium.base.JNINamespace;
9import org.chromium.content_public.browser.NavigationController;
10import org.chromium.content_public.browser.WebContents;
11
12/**
13 * The WebContentsImpl Java wrapper to allow communicating with the native WebContentsImpl
14 * object.
15 */
16@JNINamespace("content")
17//TODO(tedchoc): Remove the package restriction once this class moves to a non-public content
18//               package whose visibility will be enforced via DEPS.
19/* package */ class WebContentsImpl implements WebContents {
20
21    private long mNativeWebContentsAndroid;
22    private NavigationController mNavigationController;
23
24    private WebContentsImpl(
25            long nativeWebContentsAndroid, NavigationController navigationController) {
26        mNativeWebContentsAndroid = nativeWebContentsAndroid;
27        mNavigationController = navigationController;
28    }
29
30    @CalledByNative
31    private static WebContentsImpl create(
32            long nativeWebContentsAndroid, NavigationController navigationController) {
33        return new WebContentsImpl(nativeWebContentsAndroid, navigationController);
34    }
35
36    @CalledByNative
37    private void destroy() {
38        mNativeWebContentsAndroid = 0;
39        mNavigationController = null;
40    }
41
42    @CalledByNative
43    private long getNativePointer() {
44        return mNativeWebContentsAndroid;
45    }
46
47    @Override
48    public NavigationController getNavigationController() {
49        return mNavigationController;
50    }
51
52    @Override
53    public String getTitle() {
54        return nativeGetTitle(mNativeWebContentsAndroid);
55    }
56
57    @Override
58    public String getVisibleUrl() {
59        return nativeGetVisibleURL(mNativeWebContentsAndroid);
60    }
61
62    @Override
63    public void stop() {
64        nativeStop(mNativeWebContentsAndroid);
65    }
66
67    @Override
68    public void insertCSS(String css) {
69        if (mNativeWebContentsAndroid == 0) return;
70        nativeInsertCSS(mNativeWebContentsAndroid, css);
71    }
72
73    private native String nativeGetTitle(long nativeWebContentsAndroid);
74    private native String nativeGetVisibleURL(long nativeWebContentsAndroid);
75    private native void nativeStop(long nativeWebContentsAndroid);
76    private native void nativeInsertCSS(long nativeWebContentsAndroid, String css);
77}
78