JavaBridge.cpp revision 5156240464ba682e81384501aca310de18baf1e6 
1/*
2 * Copyright 2006, 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#define LOG_TAG "webcoreglue"
27
28#include "config.h"
29
30#include "MemoryCache.h"
31#include "Connection.h"
32#include "CookieClient.h"
33#include "FileSystemClient.h"
34#include "JavaSharedClient.h"
35#include "KeyGeneratorClient.h"
36#include "KURL.h"
37#include "NetworkStateNotifier.h"
38#include "PackageNotifier.h"
39#include "Page.h"
40#include "PluginClient.h"
41#include "PluginDatabase.h"
42#include "Timer.h"
43#include "TimerClient.h"
44#ifdef ANDROID_INSTRUMENT
45#include "TimeCounter.h"
46#endif
47#include "WebCache.h"
48#include "WebCoreJni.h"
49
50#include <JNIHelp.h>
51#include <JNIUtility.h>
52#include <SkUtils.h>
53#include <jni.h>
54#include <utils/misc.h>
55#include <wtf/Platform.h>
56#include <wtf/StdLibExtras.h>
57#include <wtf/text/AtomicString.h>
58
59namespace android {
60
61// ----------------------------------------------------------------------------
62
63static jfieldID gJavaBridge_ObjectID;
64
65// ----------------------------------------------------------------------------
66
67class JavaBridge : public TimerClient, public CookieClient, public PluginClient, public KeyGeneratorClient, public FileSystemClient
68{
69public:
70    JavaBridge(JNIEnv* env, jobject obj);
71    virtual ~JavaBridge();
72
73    /*
74     * WebCore -> Java API
75     */
76    virtual void setSharedTimer(long long timemillis);
77    virtual void stopSharedTimer();
78
79    virtual void setCookies(WebCore::KURL const& url, WTF::String const& value);
80    virtual WTF::String cookies(WebCore::KURL const& url);
81    virtual bool cookiesEnabled();
82
83    virtual WTF::Vector<WTF::String> getPluginDirectories();
84    virtual WTF::String getPluginSharedDataDirectory();
85
86    virtual WTF::Vector<String> getSupportedKeyStrengthList();
87    virtual WTF::String getSignedPublicKeyAndChallengeString(unsigned index,
88            const WTF::String& challenge, const WebCore::KURL& url);
89    virtual WTF::String resolveFilePathForContentUri(const WTF::String& uri);
90
91    ////////////////////////////////////////////
92
93    virtual void setSharedTimerCallback(void (*f)());
94
95    ////////////////////////////////////////////
96
97    virtual void signalServiceFuncPtrQueue();
98
99    // jni functions
100    static void Constructor(JNIEnv* env, jobject obj);
101    static void Finalize(JNIEnv* env, jobject obj);
102    static void SharedTimerFired(JNIEnv* env, jobject);
103    static void SetCacheSize(JNIEnv* env, jobject obj, jint bytes);
104    static void SetNetworkOnLine(JNIEnv* env, jobject obj, jboolean online);
105    static void SetNetworkType(JNIEnv* env, jobject obj, jstring type, jstring subtype);
106    static void SetDeferringTimers(JNIEnv* env, jobject obj, jboolean defer);
107    static void ServiceFuncPtrQueue(JNIEnv*);
108    static void UpdatePluginDirectories(JNIEnv* env, jobject obj, jobjectArray array, jboolean reload);
109    static void AddPackageNames(JNIEnv* env, jobject obj, jobject packageNames);
110    static void AddPackageName(JNIEnv* env, jobject obj, jstring packageName);
111    static void RemovePackageName(JNIEnv* env, jobject obj, jstring packageName);
112    static void UpdateProxy(JNIEnv* env, jobject obj, jstring newProxy, jstring newExList);
113
114
115private:
116    jweak       mJavaObject;
117    jmethodID   mSetSharedTimer;
118    jmethodID   mStopSharedTimer;
119    jmethodID   mSetCookies;
120    jmethodID   mCookies;
121    jmethodID   mCookiesEnabled;
122    jmethodID   mGetPluginDirectories;
123    jmethodID   mGetPluginSharedDataDirectory;
124    jmethodID   mSignalFuncPtrQueue;
125    jmethodID   mGetKeyStrengthList;
126    jmethodID   mGetSignedPublicKey;
127    jmethodID   mResolveFilePathForContentUri;
128    AutoJObject javaObject(JNIEnv* env) { return getRealObject(env, mJavaObject); }
129};
130
131static void (*sSharedTimerFiredCallback)();
132
133JavaBridge::JavaBridge(JNIEnv* env, jobject obj)
134{
135    mJavaObject = env->NewWeakGlobalRef(obj);
136    jclass clazz = env->GetObjectClass(obj);
137
138    mSetSharedTimer = env->GetMethodID(clazz, "setSharedTimer", "(J)V");
139    mStopSharedTimer = env->GetMethodID(clazz, "stopSharedTimer", "()V");
140    mSetCookies = env->GetMethodID(clazz, "setCookies", "(Ljava/lang/String;Ljava/lang/String;)V");
141    mCookies = env->GetMethodID(clazz, "cookies", "(Ljava/lang/String;)Ljava/lang/String;");
142    mCookiesEnabled = env->GetMethodID(clazz, "cookiesEnabled", "()Z");
143    mGetPluginDirectories = env->GetMethodID(clazz, "getPluginDirectories", "()[Ljava/lang/String;");
144    mGetPluginSharedDataDirectory = env->GetMethodID(clazz, "getPluginSharedDataDirectory", "()Ljava/lang/String;");
145    mSignalFuncPtrQueue = env->GetMethodID(clazz, "signalServiceFuncPtrQueue", "()V");
146    mGetKeyStrengthList = env->GetMethodID(clazz, "getKeyStrengthList", "()[Ljava/lang/String;");
147    mGetSignedPublicKey = env->GetMethodID(clazz, "getSignedPublicKey", "(ILjava/lang/String;Ljava/lang/String;)Ljava/lang/String;");
148    mResolveFilePathForContentUri = env->GetMethodID(clazz, "resolveFilePathForContentUri", "(Ljava/lang/String;)Ljava/lang/String;");
149    env->DeleteLocalRef(clazz);
150
151    LOG_ASSERT(mSetSharedTimer, "Could not find method setSharedTimer");
152    LOG_ASSERT(mStopSharedTimer, "Could not find method stopSharedTimer");
153    LOG_ASSERT(mSetCookies, "Could not find method setCookies");
154    LOG_ASSERT(mCookies, "Could not find method cookies");
155    LOG_ASSERT(mCookiesEnabled, "Could not find method cookiesEnabled");
156    LOG_ASSERT(mGetPluginDirectories, "Could not find method getPluginDirectories");
157    LOG_ASSERT(mGetPluginSharedDataDirectory, "Could not find method getPluginSharedDataDirectory");
158    LOG_ASSERT(mGetKeyStrengthList, "Could not find method getKeyStrengthList");
159    LOG_ASSERT(mGetSignedPublicKey, "Could not find method getSignedPublicKey");
160
161    JavaSharedClient::SetTimerClient(this);
162    JavaSharedClient::SetCookieClient(this);
163    JavaSharedClient::SetPluginClient(this);
164    JavaSharedClient::SetKeyGeneratorClient(this);
165    JavaSharedClient::SetFileSystemClient(this);
166}
167
168JavaBridge::~JavaBridge()
169{
170    if (mJavaObject) {
171        JNIEnv* env = JSC::Bindings::getJNIEnv();
172        env->DeleteWeakGlobalRef(mJavaObject);
173        mJavaObject = 0;
174    }
175
176    JavaSharedClient::SetTimerClient(NULL);
177    JavaSharedClient::SetCookieClient(NULL);
178    JavaSharedClient::SetPluginClient(NULL);
179    JavaSharedClient::SetKeyGeneratorClient(NULL);
180    JavaSharedClient::SetFileSystemClient(NULL);
181}
182
183void
184JavaBridge::setSharedTimer(long long timemillis)
185{
186    JNIEnv* env = JSC::Bindings::getJNIEnv();
187    AutoJObject obj = javaObject(env);
188    env->CallVoidMethod(obj.get(), mSetSharedTimer, timemillis);
189}
190
191void
192JavaBridge::stopSharedTimer()
193{
194    JNIEnv* env = JSC::Bindings::getJNIEnv();
195    AutoJObject obj = javaObject(env);
196    env->CallVoidMethod(obj.get(), mStopSharedTimer);
197}
198
199void
200JavaBridge::setCookies(WebCore::KURL const& url, WTF::String const& value)
201{
202    JNIEnv* env = JSC::Bindings::getJNIEnv();
203    const WTF::String& urlStr = url.string();
204    jstring jUrlStr = wtfStringToJstring(env, urlStr);
205    jstring jValueStr = wtfStringToJstring(env, value);
206
207    AutoJObject obj = javaObject(env);
208    env->CallVoidMethod(obj.get(), mSetCookies, jUrlStr, jValueStr);
209    env->DeleteLocalRef(jUrlStr);
210    env->DeleteLocalRef(jValueStr);
211}
212
213WTF::String
214JavaBridge::cookies(WebCore::KURL const& url)
215{
216    JNIEnv* env = JSC::Bindings::getJNIEnv();
217    const WTF::String& urlStr = url.string();
218    jstring jUrlStr = wtfStringToJstring(env, urlStr);
219
220    AutoJObject obj = javaObject(env);
221    jstring string = (jstring)(env->CallObjectMethod(obj.get(), mCookies, jUrlStr));
222
223    WTF::String ret = jstringToWtfString(env, string);
224    env->DeleteLocalRef(jUrlStr);
225    env->DeleteLocalRef(string);
226    return ret;
227}
228
229bool
230JavaBridge::cookiesEnabled()
231{
232    JNIEnv* env = JSC::Bindings::getJNIEnv();
233    AutoJObject obj = javaObject(env);
234    jboolean ret = env->CallBooleanMethod(obj.get(), mCookiesEnabled);
235    return (ret != 0);
236}
237
238WTF::Vector<WTF::String>
239JavaBridge::getPluginDirectories()
240{
241    WTF::Vector<WTF::String> directories;
242    JNIEnv* env = JSC::Bindings::getJNIEnv();
243    AutoJObject obj = javaObject(env);
244    jobjectArray array = (jobjectArray)
245            env->CallObjectMethod(obj.get(), mGetPluginDirectories);
246    int count = env->GetArrayLength(array);
247    for (int i = 0; i < count; i++) {
248        jstring dir = (jstring) env->GetObjectArrayElement(array, i);
249        directories.append(jstringToWtfString(env, dir));
250        env->DeleteLocalRef(dir);
251    }
252    env->DeleteLocalRef(array);
253    checkException(env);
254    return directories;
255}
256
257WTF::String
258JavaBridge::getPluginSharedDataDirectory()
259{
260    JNIEnv* env = JSC::Bindings::getJNIEnv();
261    AutoJObject obj = javaObject(env);
262    jstring ret = (jstring)env->CallObjectMethod(obj.get(), mGetPluginSharedDataDirectory);
263    WTF::String path = jstringToWtfString(env, ret);
264    checkException(env);
265    return path;
266}
267
268void
269JavaBridge::setSharedTimerCallback(void (*f)())
270{
271    LOG_ASSERT(!sSharedTimerFiredCallback || sSharedTimerFiredCallback==f,
272               "Shared timer callback may already be set or null!");
273
274    sSharedTimerFiredCallback = f;
275}
276
277void JavaBridge::signalServiceFuncPtrQueue()
278{
279    // In order to signal the main thread we must go through JNI. This
280    // is the only usage on most threads, so we need to ensure a JNI
281    // environment is setup.
282    JNIEnv* env = JSC::Bindings::getJNIEnv();
283    AutoJObject obj = javaObject(env);
284    env->CallVoidMethod(obj.get(), mSignalFuncPtrQueue);
285}
286
287WTF::Vector<WTF::String>JavaBridge::getSupportedKeyStrengthList() {
288    WTF::Vector<WTF::String> list;
289    JNIEnv* env = JSC::Bindings::getJNIEnv();
290    AutoJObject obj = javaObject(env);
291    jobjectArray array = (jobjectArray) env->CallObjectMethod(obj.get(),
292            mGetKeyStrengthList);
293    int count = env->GetArrayLength(array);
294    for (int i = 0; i < count; ++i) {
295        jstring keyStrength = (jstring) env->GetObjectArrayElement(array, i);
296        list.append(jstringToWtfString(env, keyStrength));
297        env->DeleteLocalRef(keyStrength);
298    }
299    env->DeleteLocalRef(array);
300    checkException(env);
301    return list;
302}
303
304WTF::String JavaBridge::getSignedPublicKeyAndChallengeString(unsigned index,
305        const WTF::String& challenge, const WebCore::KURL& url) {
306    JNIEnv* env = JSC::Bindings::getJNIEnv();
307    jstring jChallenge = wtfStringToJstring(env, challenge);
308    const WTF::String& urlStr = url.string();
309    jstring jUrl = wtfStringToJstring(env, urlStr);
310    AutoJObject obj = javaObject(env);
311    jstring key = (jstring) env->CallObjectMethod(obj.get(),
312            mGetSignedPublicKey, index, jChallenge, jUrl);
313    WTF::String ret = jstringToWtfString(env, key);
314    env->DeleteLocalRef(jChallenge);
315    env->DeleteLocalRef(jUrl);
316    env->DeleteLocalRef(key);
317    return ret;
318}
319
320WTF::String JavaBridge::resolveFilePathForContentUri(const WTF::String& uri) {
321    JNIEnv* env = JSC::Bindings::getJNIEnv();
322    jstring jUri = wtfStringToJstring(env, uri);
323    AutoJObject obj = javaObject(env);
324    jstring path = static_cast<jstring>(env->CallObjectMethod(obj.get(), mResolveFilePathForContentUri, jUri));
325    WTF::String ret = jstringToWtfString(env, path);
326    env->DeleteLocalRef(jUri);
327    env->DeleteLocalRef(path);
328    return ret;
329}
330
331// ----------------------------------------------------------------------------
332
333void JavaBridge::Constructor(JNIEnv* env, jobject obj)
334{
335    JavaBridge* javaBridge = new JavaBridge(env, obj);
336    env->SetIntField(obj, gJavaBridge_ObjectID, (jint)javaBridge);
337}
338
339void JavaBridge::Finalize(JNIEnv* env, jobject obj)
340{
341    JavaBridge* javaBridge = (JavaBridge*)
342        (env->GetIntField(obj, gJavaBridge_ObjectID));
343    LOG_ASSERT(javaBridge, "Finalize should not be called twice for the same java bridge!");
344    LOGV("webcore_javabridge::nativeFinalize(%p)\n", javaBridge);
345    delete javaBridge;
346    env->SetIntField(obj, gJavaBridge_ObjectID, 0);
347}
348
349// we don't use the java bridge object, as we're just looking at a global
350void JavaBridge::SharedTimerFired(JNIEnv* env, jobject)
351{
352    if (sSharedTimerFiredCallback)
353    {
354#ifdef ANDROID_INSTRUMENT
355        TimeCounter::start(TimeCounter::SharedTimerTimeCounter);
356#endif
357        SkAutoMemoryUsageProbe  mup("JavaBridge::sharedTimerFired");
358        sSharedTimerFiredCallback();
359#ifdef ANDROID_INSTRUMENT
360        TimeCounter::record(TimeCounter::SharedTimerTimeCounter, __FUNCTION__);
361#endif
362    }
363}
364
365void JavaBridge::SetCacheSize(JNIEnv* env, jobject obj, jint bytes)
366{
367    WebCore::memoryCache()->setCapacities(0, bytes/2, bytes);
368}
369
370void JavaBridge::SetNetworkOnLine(JNIEnv* env, jobject obj, jboolean online)
371{
372	WebCore::networkStateNotifier().networkStateChange(online);
373}
374
375void JavaBridge::SetNetworkType(JNIEnv* env, jobject obj, jstring javatype, jstring javasubtype)
376{
377    DEFINE_STATIC_LOCAL(AtomicString, wifi, ("wifi"));
378    DEFINE_STATIC_LOCAL(AtomicString, mobile, ("mobile"));
379    DEFINE_STATIC_LOCAL(AtomicString, mobileSupl, ("mobile_supl"));
380    DEFINE_STATIC_LOCAL(AtomicString, gprs, ("gprs"));
381    DEFINE_STATIC_LOCAL(AtomicString, edge, ("edge"));
382    DEFINE_STATIC_LOCAL(AtomicString, umts, ("umts"));
383
384    String type = jstringToWtfString(env, javatype);
385    String subtype = jstringToWtfString(env, javasubtype);
386    Connection::ConnectionType connectionType = Connection::UNKNOWN;
387    if (type == wifi)
388        connectionType = Connection::WIFI;
389    else if (type == mobile || type == mobileSupl) {
390        if (subtype == edge || subtype == gprs)
391            connectionType = Connection::CELL_2G;
392        else if (subtype == umts)
393            connectionType = Connection::CELL_3G;
394    }
395    WebCore::networkStateNotifier().networkTypeChange(connectionType);
396}
397
398void JavaBridge::ServiceFuncPtrQueue(JNIEnv*)
399{
400    JavaSharedClient::ServiceFunctionPtrQueue();
401}
402
403void JavaBridge::UpdatePluginDirectories(JNIEnv* env, jobject obj,
404        jobjectArray array, jboolean reload) {
405    WTF::Vector<WTF::String> directories;
406    int count = env->GetArrayLength(array);
407    for (int i = 0; i < count; i++) {
408        jstring dir = (jstring) env->GetObjectArrayElement(array, i);
409        directories.append(jstringToWtfString(env, dir));
410        env->DeleteLocalRef(dir);
411    }
412    checkException(env);
413    WebCore::PluginDatabase *pluginDatabase =
414            WebCore::PluginDatabase::installedPlugins();
415    pluginDatabase->setPluginDirectories(directories);
416    // refreshPlugins() should refresh both PluginDatabase and Page's PluginData
417    WebCore::Page::refreshPlugins(reload);
418}
419
420void JavaBridge::AddPackageNames(JNIEnv* env, jobject obj, jobject packageNames)
421{
422    if (!packageNames)
423        return;
424
425    // dalvikvm will raise exception if any of these fail
426    jclass setClass = env->FindClass("java/util/Set");
427    jmethodID iterator = env->GetMethodID(setClass, "iterator",
428            "()Ljava/util/Iterator;");
429    jobject iter = env->CallObjectMethod(packageNames, iterator);
430
431    jclass iteratorClass = env->FindClass("java/util/Iterator");
432    jmethodID hasNext = env->GetMethodID(iteratorClass, "hasNext", "()Z");
433    jmethodID next = env->GetMethodID(iteratorClass, "next", "()Ljava/lang/Object;");
434
435    HashSet<WTF::String> namesSet;
436    while (env->CallBooleanMethod(iter, hasNext)) {
437        jstring name = static_cast<jstring>(env->CallObjectMethod(iter, next));
438        namesSet.add(jstringToWtfString(env, name));
439        env->DeleteLocalRef(name);
440    }
441
442    packageNotifier().addPackageNames(namesSet);
443
444    env->DeleteLocalRef(iteratorClass);
445    env->DeleteLocalRef(iter);
446    env->DeleteLocalRef(setClass);
447}
448
449void JavaBridge::AddPackageName(JNIEnv* env, jobject obj, jstring packageName)
450{
451    packageNotifier().addPackageName(jstringToWtfString(env, packageName));
452}
453
454void JavaBridge::RemovePackageName(JNIEnv* env, jobject obj, jstring packageName)
455{
456    packageNotifier().removePackageName(jstringToWtfString(env, packageName));
457}
458
459void JavaBridge::UpdateProxy(JNIEnv* env, jobject obj, jstring newProxy, jstring newExList)
460{
461#if USE(CHROME_NETWORK_STACK)
462    std::string proxy = jstringToStdString(env, newProxy);
463    std::string exList = jstringToStdString(env, newExList);
464    WebCache::get(false)->proxy()->UpdateProxySettings(proxy, exList);
465    WebCache::get(true)->proxy()->UpdateProxySettings(proxy, exList);
466#endif
467}
468
469
470// ----------------------------------------------------------------------------
471
472/*
473 * JNI registration.
474 */
475static JNINativeMethod gWebCoreJavaBridgeMethods[] = {
476    /* name, signature, funcPtr */
477    { "nativeConstructor", "()V",
478        (void*) JavaBridge::Constructor },
479    { "nativeFinalize", "()V",
480        (void*) JavaBridge::Finalize },
481    { "sharedTimerFired", "()V",
482        (void*) JavaBridge::SharedTimerFired },
483    { "setCacheSize", "(I)V",
484        (void*) JavaBridge::SetCacheSize },
485    { "setNetworkOnLine", "(Z)V",
486        (void*) JavaBridge::SetNetworkOnLine },
487    { "setNetworkType", "(Ljava/lang/String;Ljava/lang/String;)V",
488        (void*) JavaBridge::SetNetworkType },
489    { "nativeServiceFuncPtrQueue", "()V",
490        (void*) JavaBridge::ServiceFuncPtrQueue },
491    { "nativeUpdatePluginDirectories", "([Ljava/lang/String;Z)V",
492        (void*) JavaBridge::UpdatePluginDirectories },
493    { "addPackageNames", "(Ljava/util/Set;)V",
494        (void*) JavaBridge::AddPackageNames },
495    { "addPackageName", "(Ljava/lang/String;)V",
496        (void*) JavaBridge::AddPackageName },
497    { "removePackageName", "(Ljava/lang/String;)V",
498        (void*) JavaBridge::RemovePackageName },
499    { "updateProxy", "(Ljava/lang/String;)V",
500        (void*) JavaBridge::UpdateProxy }
501};
502
503int registerJavaBridge(JNIEnv* env)
504{
505    jclass javaBridge = env->FindClass("android/webkit/JWebCoreJavaBridge");
506    LOG_FATAL_IF(javaBridge == NULL, "Unable to find class android/webkit/JWebCoreJavaBridge");
507    gJavaBridge_ObjectID = env->GetFieldID(javaBridge, "mNativeBridge", "I");
508    LOG_FATAL_IF(gJavaBridge_ObjectID == NULL, "Unable to find android/webkit/JWebCoreJavaBridge.mNativeBridge");
509    env->DeleteLocalRef(javaBridge);
510
511    return jniRegisterNativeMethods(env, "android/webkit/JWebCoreJavaBridge",
512                                    gWebCoreJavaBridgeMethods, NELEM(gWebCoreJavaBridgeMethods));
513}
514
515} /* namespace android */
516