1/*
2 * Copyright 2012, The Android Open Source Project
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 *  * Redistributions of source code must retain the above copyright
8 *    notice, this list of conditions and the following disclaimer.
9 *  * Redistributions in binary form must reproduce the above copyright
10 *    notice, this list of conditions and the following disclaimer in the
11 *    documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#ifndef GeolocationServiceBridge_h
27#define GeolocationServiceBridge_h
28
29#include <JNIUtility.h>
30#include <wtf/PassRefPtr.h>
31
32namespace WebCore {
33class GeolocationError;
34class GeolocationPosition;
35}
36
37namespace android {
38
39class WebViewCore;
40
41// GeolocationServiceBridge is the bridge to the Java implementation. It manages
42// the lifetime of the Java object. It is an implementation detail of
43// GeolocationClientAndroid.
44class GeolocationServiceBridge {
45public:
46    class Listener {
47    public:
48        virtual ~Listener() {}
49        virtual void newPositionAvailable(PassRefPtr<WebCore::GeolocationPosition>) = 0;
50        virtual void newErrorAvailable(PassRefPtr<WebCore::GeolocationError>) = 0;
51    };
52
53    GeolocationServiceBridge(Listener*, WebViewCore*);
54    ~GeolocationServiceBridge();
55
56    bool start();
57    void stop();
58    void setEnableGps(bool enable);
59
60    // Static wrapper functions to hide JNI nastiness.
61    static void newLocationAvailable(JNIEnv *env, jclass, jlong nativeObject, jobject location);
62    static void newErrorAvailable(JNIEnv *env, jclass, jlong nativeObject, jstring message);
63    static PassRefPtr<WebCore::GeolocationPosition> toGeolocationPosition(JNIEnv *env, const jobject &location);
64
65private:
66    void startJavaImplementation(WebViewCore*);
67    void stopJavaImplementation();
68
69    Listener* m_listener;
70    jobject m_javaGeolocationServiceObject;
71};
72
73} // namespace android
74
75#endif // GeolocationServiceBridge_h
76