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1 /*
2  * Copyright 2009, 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 #include "config.h"
27 
28 #include <JNIHelp.h>  // For jniRegisterNativeMethods
29 #include "GeolocationPermissions.h"
30 #include "WebCoreJni.h"  // For jstringToWtfString
31 
32 
33 /**
34  * This file provides a set of functions to bridge between the Java and C++
35  * GeolocationPermissions classes. The java GeolocationPermissions object calls
36  * the functions provided here, which in turn call static methods on the C++
37  * GeolocationPermissions class.
38  */
39 
40 namespace android {
41 
getOrigins(JNIEnv * env,jobject obj)42 static jobject getOrigins(JNIEnv* env, jobject obj)
43 {
44     GeolocationPermissions::OriginSet origins = GeolocationPermissions::getOrigins();
45 
46     jclass setClass = env->FindClass("java/util/HashSet");
47     jmethodID constructor = env->GetMethodID(setClass, "<init>", "()V");
48     jmethodID addMethod = env->GetMethodID(setClass, "add", "(Ljava/lang/Object;)Z");
49     jobject set = env->NewObject(setClass, constructor);
50     env->DeleteLocalRef(setClass);
51 
52     GeolocationPermissions::OriginSet::const_iterator end = origins.end();
53     for (GeolocationPermissions::OriginSet::const_iterator iter = origins.begin(); iter != end; ++iter) {
54         jstring originString = wtfStringToJstring(env, *iter);
55         env->CallBooleanMethod(set, addMethod, originString);
56         env->DeleteLocalRef(originString);
57     }
58     return set;
59 }
60 
getAllowed(JNIEnv * env,jobject obj,jstring origin)61 static bool getAllowed(JNIEnv* env, jobject obj, jstring origin)
62 {
63     WTF::String originString = jstringToWtfString(env, origin);
64     return GeolocationPermissions::getAllowed(originString);
65 }
66 
clear(JNIEnv * env,jobject obj,jstring origin)67 static void clear(JNIEnv* env, jobject obj, jstring origin)
68 {
69     WTF::String originString = jstringToWtfString(env, origin);
70     GeolocationPermissions::clear(originString);
71 }
72 
allow(JNIEnv * env,jobject obj,jstring origin)73 static void allow(JNIEnv* env, jobject obj, jstring origin)
74 {
75     WTF::String originString = jstringToWtfString(env, origin);
76     GeolocationPermissions::allow(originString);
77 }
78 
clearAll(JNIEnv * env,jobject obj)79 static void clearAll(JNIEnv* env, jobject obj)
80 {
81     GeolocationPermissions::clearAll();
82 }
83 
84 /*
85  * JNI registration
86  */
87 static JNINativeMethod gGeolocationPermissionsMethods[] = {
88     { "nativeGetOrigins", "()Ljava/util/Set;",
89         (void*) getOrigins },
90     { "nativeGetAllowed", "(Ljava/lang/String;)Z",
91         (void*) getAllowed },
92     { "nativeClear", "(Ljava/lang/String;)V",
93         (void*) clear },
94     { "nativeAllow", "(Ljava/lang/String;)V",
95         (void*) allow },
96     { "nativeClearAll", "()V",
97         (void*) clearAll }
98 };
99 
registerGeolocationPermissions(JNIEnv * env)100 int registerGeolocationPermissions(JNIEnv* env)
101 {
102     const char* kGeolocationPermissionsClass = "android/webkit/GeolocationPermissionsClassic";
103 #ifndef NDEBUG
104     jclass geolocationPermissions = env->FindClass(kGeolocationPermissionsClass);
105     ALOG_ASSERT(geolocationPermissions, "Unable to find class");
106     env->DeleteLocalRef(geolocationPermissions);
107 #endif
108 
109     return jniRegisterNativeMethods(env, kGeolocationPermissionsClass,
110             gGeolocationPermissionsMethods, NELEM(gGeolocationPermissionsMethods));
111 }
112 
113 }
114