diff options
Diffstat (limited to 'WebKit/android/jni/WebViewCore.cpp')
| -rw-r--r-- | WebKit/android/jni/WebViewCore.cpp | 222 |
1 files changed, 185 insertions, 37 deletions
diff --git a/WebKit/android/jni/WebViewCore.cpp b/WebKit/android/jni/WebViewCore.cpp index b16a69d..e5c1549 100644 --- a/WebKit/android/jni/WebViewCore.cpp +++ b/WebKit/android/jni/WebViewCore.cpp @@ -772,7 +772,12 @@ void WebViewCore::scrollTo(int x, int y, bool animate) // LOGD("WebViewCore::scrollTo(%d %d)\n", x, y); JNIEnv* env = JSC::Bindings::getJNIEnv(); - env->CallVoidMethod(m_javaGlue->object(env).get(), animate ? m_javaGlue->m_spawnScrollTo : m_javaGlue->m_scrollTo, x, y); + AutoJObject obj = m_javaGlue->object(env); + // if it is called during DESTROY is handled, the real object of WebViewCore + // can be gone. Check before using it. + if (!obj.get()) + return; + env->CallVoidMethod(obj.get(), animate ? m_javaGlue->m_spawnScrollTo : m_javaGlue->m_scrollTo, x, y); checkException(env); } @@ -780,7 +785,12 @@ void WebViewCore::sendNotifyProgressFinished() { LOG_ASSERT(m_javaGlue->m_obj, "A Java widget was not associated with this view bridge!"); JNIEnv* env = JSC::Bindings::getJNIEnv(); - env->CallVoidMethod(m_javaGlue->object(env).get(), m_javaGlue->m_sendNotifyProgressFinished); + AutoJObject obj = m_javaGlue->object(env); + // if it is called during DESTROY is handled, the real object of WebViewCore + // can be gone. Check before using it. + if (!obj.get()) + return; + env->CallVoidMethod(obj.get(), m_javaGlue->m_sendNotifyProgressFinished); checkException(env); } @@ -788,7 +798,12 @@ void WebViewCore::viewInvalidate(const WebCore::IntRect& rect) { LOG_ASSERT(m_javaGlue->m_obj, "A Java widget was not associated with this view bridge!"); JNIEnv* env = JSC::Bindings::getJNIEnv(); - env->CallVoidMethod(m_javaGlue->object(env).get(), + AutoJObject obj = m_javaGlue->object(env); + // if it is called during DESTROY is handled, the real object of WebViewCore + // can be gone. Check before using it. + if (!obj.get()) + return; + env->CallVoidMethod(obj.get(), m_javaGlue->m_sendViewInvalidate, rect.x(), rect.y(), rect.right(), rect.bottom()); checkException(env); @@ -799,7 +814,12 @@ void WebViewCore::scrollBy(int dx, int dy, bool animate) if (!(dx | dy)) return; JNIEnv* env = JSC::Bindings::getJNIEnv(); - env->CallVoidMethod(m_javaGlue->object(env).get(), m_javaGlue->m_scrollBy, + AutoJObject obj = m_javaGlue->object(env); + // if it is called during DESTROY is handled, the real object of WebViewCore + // can be gone. Check before using it. + if (!obj.get()) + return; + env->CallVoidMethod(obj.get(), m_javaGlue->m_scrollBy, dx, dy, animate); checkException(env); } @@ -807,7 +827,12 @@ void WebViewCore::scrollBy(int dx, int dy, bool animate) void WebViewCore::contentDraw() { JNIEnv* env = JSC::Bindings::getJNIEnv(); - env->CallVoidMethod(m_javaGlue->object(env).get(), m_javaGlue->m_contentDraw); + AutoJObject obj = m_javaGlue->object(env); + // if it is called during DESTROY is handled, the real object of WebViewCore + // can be gone. Check before using it. + if (!obj.get()) + return; + env->CallVoidMethod(obj.get(), m_javaGlue->m_contentDraw); checkException(env); } @@ -856,14 +881,18 @@ void WebViewCore::didFirstLayout() WebCore::FrameLoadType loadType = loader->loadType(); JNIEnv* env = JSC::Bindings::getJNIEnv(); - env->CallVoidMethod(m_javaGlue->object(env).get(), m_javaGlue->m_didFirstLayout, + AutoJObject obj = m_javaGlue->object(env); + // if it is called during DESTROY is handled, the real object of WebViewCore + // can be gone. Check before using it. + if (!obj.get()) + return; + env->CallVoidMethod(obj.get(), m_javaGlue->m_didFirstLayout, loadType == WebCore::FrameLoadTypeStandard // When redirect with locked history, we would like to reset the // scale factor. This is important for www.yahoo.com as it is // redirected to www.yahoo.com/?rs=1 on load. || loadType == WebCore::FrameLoadTypeRedirectWithLockedBackForwardList); checkException(env); - DBG_NAV_LOG("call updateFrameCache"); m_check_domtree_version = false; updateFrameCache(); @@ -876,7 +905,12 @@ void WebViewCore::updateViewport() LOG_ASSERT(m_javaGlue->m_obj, "A Java widget was not associated with this view bridge!"); JNIEnv* env = JSC::Bindings::getJNIEnv(); - env->CallVoidMethod(m_javaGlue->object(env).get(), m_javaGlue->m_updateViewport); + AutoJObject obj = m_javaGlue->object(env); + // if it is called during DESTROY is handled, the real object of WebViewCore + // can be gone. Check before using it. + if (!obj.get()) + return; + env->CallVoidMethod(obj.get(), m_javaGlue->m_updateViewport); checkException(env); } @@ -886,7 +920,12 @@ void WebViewCore::restoreScale(int scale) LOG_ASSERT(m_javaGlue->m_obj, "A Java widget was not associated with this view bridge!"); JNIEnv* env = JSC::Bindings::getJNIEnv(); - env->CallVoidMethod(m_javaGlue->object(env).get(), m_javaGlue->m_restoreScale, scale); + AutoJObject obj = m_javaGlue->object(env); + // if it is called during DESTROY is handled, the real object of WebViewCore + // can be gone. Check before using it. + if (!obj.get()) + return; + env->CallVoidMethod(obj.get(), m_javaGlue->m_restoreScale, scale); checkException(env); } @@ -896,7 +935,12 @@ void WebViewCore::restoreScreenWidthScale(int scale) LOG_ASSERT(m_javaGlue->m_obj, "A Java widget was not associated with this view bridge!"); JNIEnv* env = JSC::Bindings::getJNIEnv(); - env->CallVoidMethod(m_javaGlue->object(env).get(), m_javaGlue->m_restoreScreenWidthScale, scale); + AutoJObject obj = m_javaGlue->object(env); + // if it is called during DESTROY is handled, the real object of WebViewCore + // can be gone. Check before using it. + if (!obj.get()) + return; + env->CallVoidMethod(obj.get(), m_javaGlue->m_restoreScreenWidthScale, scale); checkException(env); } @@ -910,10 +954,10 @@ void WebViewCore::needTouchEvents(bool need) AutoJObject obj = m_javaGlue->object(env); // if it is called during DESTROY is handled, the real object of WebViewCore // can be gone. Check before using it. - if (env && obj.get()) { - env->CallVoidMethod(obj.get(), m_javaGlue->m_needTouchEvents, need); - checkException(env); - } + if (!obj.get()) + return; + env->CallVoidMethod(obj.get(), m_javaGlue->m_needTouchEvents, need); + checkException(env); #endif } @@ -923,7 +967,12 @@ void WebViewCore::requestKeyboard(bool showKeyboard) LOG_ASSERT(m_javaGlue->m_obj, "A Java widget was not associated with this view bridge!"); JNIEnv* env = JSC::Bindings::getJNIEnv(); - env->CallVoidMethod(m_javaGlue->object(env).get(), m_javaGlue->m_requestKeyboard, showKeyboard); + AutoJObject obj = m_javaGlue->object(env); + // if it is called during DESTROY is handled, the real object of WebViewCore + // can be gone. Check before using it. + if (!obj.get()) + return; + env->CallVoidMethod(obj.get(), m_javaGlue->m_requestKeyboard, showKeyboard); checkException(env); } @@ -1815,6 +1864,11 @@ void WebViewCore::listBoxRequest(WebCoreReply* reply, const uint16_t** labels, s // Create an array of java Strings for the drop down. JNIEnv* env = JSC::Bindings::getJNIEnv(); + AutoJObject obj = m_javaGlue->object(env); + // if it is called during DESTROY is handled, the real object of WebViewCore + // can be gone. Check before using it. + if (!obj.get()) + return; jobjectArray labelArray = makeLabelArray(env, labels, count); // Create an array determining whether each item is enabled. @@ -1839,11 +1893,11 @@ void WebViewCore::listBoxRequest(WebCoreReply* reply, const uint16_t** labels, s } env->ReleaseIntArrayElements(selectedArray, selArray, 0); - env->CallVoidMethod(m_javaGlue->object(env).get(), m_javaGlue->m_requestListBox, labelArray, enabledArray, selectedArray); + env->CallVoidMethod(obj.get(), m_javaGlue->m_requestListBox, labelArray, enabledArray, selectedArray); env->DeleteLocalRef(selectedArray); } else { // Pass up the single selection. - env->CallVoidMethod(m_javaGlue->object(env).get(), m_javaGlue->m_requestSingleListBox, labelArray, enabledArray, selectedCountOrSelection); + env->CallVoidMethod(obj.get(), m_javaGlue->m_requestSingleListBox, labelArray, enabledArray, selectedCountOrSelection); } env->DeleteLocalRef(labelArray); @@ -2051,9 +2105,14 @@ void WebViewCore::popupReply(const int* array, int count) void WebViewCore::addMessageToConsole(const WebCore::String& message, unsigned int lineNumber, const WebCore::String& sourceID) { JNIEnv* env = JSC::Bindings::getJNIEnv(); + AutoJObject obj = m_javaGlue->object(env); + // if it is called during DESTROY is handled, the real object of WebViewCore + // can be gone. Check before using it. + if (!obj.get()) + return; jstring jMessageStr = env->NewString((unsigned short *)message.characters(), message.length()); jstring jSourceIDStr = env->NewString((unsigned short *)sourceID.characters(), sourceID.length()); - env->CallVoidMethod(m_javaGlue->object(env).get(), m_javaGlue->m_addMessageToConsole, jMessageStr, lineNumber, jSourceIDStr); + env->CallVoidMethod(obj.get(), m_javaGlue->m_addMessageToConsole, jMessageStr, lineNumber, jSourceIDStr); env->DeleteLocalRef(jMessageStr); env->DeleteLocalRef(jSourceIDStr); checkException(env); @@ -2062,9 +2121,14 @@ void WebViewCore::addMessageToConsole(const WebCore::String& message, unsigned i void WebViewCore::jsAlert(const WebCore::String& url, const WebCore::String& text) { JNIEnv* env = JSC::Bindings::getJNIEnv(); + AutoJObject obj = m_javaGlue->object(env); + // if it is called during DESTROY is handled, the real object of WebViewCore + // can be gone. Check before using it. + if (!obj.get()) + return; jstring jInputStr = env->NewString((unsigned short *)text.characters(), text.length()); jstring jUrlStr = env->NewString((unsigned short *)url.characters(), url.length()); - env->CallVoidMethod(m_javaGlue->object(env).get(), m_javaGlue->m_jsAlert, jUrlStr, jInputStr); + env->CallVoidMethod(obj.get(), m_javaGlue->m_jsAlert, jUrlStr, jInputStr); env->DeleteLocalRef(jInputStr); env->DeleteLocalRef(jUrlStr); checkException(env); @@ -2074,9 +2138,14 @@ void WebViewCore::exceededDatabaseQuota(const WebCore::String& url, const WebCor { #if ENABLE(DATABASE) JNIEnv* env = JSC::Bindings::getJNIEnv(); + AutoJObject obj = m_javaGlue->object(env); + // if it is called during DESTROY is handled, the real object of WebViewCore + // can be gone. Check before using it. + if (!obj.get()) + return; jstring jDatabaseIdentifierStr = env->NewString((unsigned short *)databaseIdentifier.characters(), databaseIdentifier.length()); jstring jUrlStr = env->NewString((unsigned short *)url.characters(), url.length()); - env->CallVoidMethod(m_javaGlue->object(env).get(), m_javaGlue->m_exceededDatabaseQuota, jUrlStr, jDatabaseIdentifierStr, currentQuota, estimatedSize); + env->CallVoidMethod(obj.get(), m_javaGlue->m_exceededDatabaseQuota, jUrlStr, jDatabaseIdentifierStr, currentQuota, estimatedSize); env->DeleteLocalRef(jDatabaseIdentifierStr); env->DeleteLocalRef(jUrlStr); checkException(env); @@ -2087,7 +2156,12 @@ void WebViewCore::reachedMaxAppCacheSize(const unsigned long long spaceNeeded) { #if ENABLE(OFFLINE_WEB_APPLICATIONS) JNIEnv* env = JSC::Bindings::getJNIEnv(); - env->CallVoidMethod(m_javaGlue->object(env).get(), m_javaGlue->m_reachedMaxAppCacheSize, spaceNeeded); + AutoJObject obj = m_javaGlue->object(env); + // if it is called during DESTROY is handled, the real object of WebViewCore + // can be gone. Check before using it. + if (!obj.get()) + return; + env->CallVoidMethod(obj.get(), m_javaGlue->m_reachedMaxAppCacheSize, spaceNeeded); checkException(env); #endif } @@ -2096,15 +2170,25 @@ void WebViewCore::populateVisitedLinks(WebCore::PageGroup* group) { m_groupForVisitedLinks = group; JNIEnv* env = JSC::Bindings::getJNIEnv(); - env->CallVoidMethod(m_javaGlue->object(env).get(), m_javaGlue->m_populateVisitedLinks); + AutoJObject obj = m_javaGlue->object(env); + // if it is called during DESTROY is handled, the real object of WebViewCore + // can be gone. Check before using it. + if (!obj.get()) + return; + env->CallVoidMethod(obj.get(), m_javaGlue->m_populateVisitedLinks); checkException(env); } void WebViewCore::geolocationPermissionsShowPrompt(const WebCore::String& origin) { JNIEnv* env = JSC::Bindings::getJNIEnv(); + AutoJObject obj = m_javaGlue->object(env); + // if it is called during DESTROY is handled, the real object of WebViewCore + // can be gone. Check before using it. + if (!obj.get()) + return; jstring originString = env->NewString((unsigned short *)origin.characters(), origin.length()); - env->CallVoidMethod(m_javaGlue->object(env).get(), + env->CallVoidMethod(obj.get(), m_javaGlue->m_geolocationPermissionsShowPrompt, originString); env->DeleteLocalRef(originString); @@ -2114,7 +2198,12 @@ void WebViewCore::geolocationPermissionsShowPrompt(const WebCore::String& origin void WebViewCore::geolocationPermissionsHidePrompt() { JNIEnv* env = JSC::Bindings::getJNIEnv(); - env->CallVoidMethod(m_javaGlue->object(env).get(), + AutoJObject obj = m_javaGlue->object(env); + // if it is called during DESTROY is handled, the real object of WebViewCore + // can be gone. Check before using it. + if (!obj.get()) + return; + env->CallVoidMethod(obj.get(), m_javaGlue->m_geolocationPermissionsHidePrompt); checkException(env); } @@ -2122,9 +2211,14 @@ void WebViewCore::geolocationPermissionsHidePrompt() bool WebViewCore::jsConfirm(const WebCore::String& url, const WebCore::String& text) { JNIEnv* env = JSC::Bindings::getJNIEnv(); + AutoJObject obj = m_javaGlue->object(env); + // if it is called during DESTROY is handled, the real object of WebViewCore + // can be gone. Check before using it. + if (!obj.get()) + return false; jstring jInputStr = env->NewString((unsigned short *)text.characters(), text.length()); jstring jUrlStr = env->NewString((unsigned short *)url.characters(), url.length()); - jboolean result = env->CallBooleanMethod(m_javaGlue->object(env).get(), m_javaGlue->m_jsConfirm, jUrlStr, jInputStr); + jboolean result = env->CallBooleanMethod(obj.get(), m_javaGlue->m_jsConfirm, jUrlStr, jInputStr); env->DeleteLocalRef(jInputStr); env->DeleteLocalRef(jUrlStr); checkException(env); @@ -2134,10 +2228,16 @@ bool WebViewCore::jsConfirm(const WebCore::String& url, const WebCore::String& t bool WebViewCore::jsPrompt(const WebCore::String& url, const WebCore::String& text, const WebCore::String& defaultValue, WebCore::String& result) { JNIEnv* env = JSC::Bindings::getJNIEnv(); + AutoJObject obj = m_javaGlue->object(env); + // if it is called during DESTROY is handled, the real object of WebViewCore + // can be gone. Check before using it. + if (!obj.get()) + return false; + jstring jInputStr = env->NewString((unsigned short *)text.characters(), text.length()); jstring jDefaultStr = env->NewString((unsigned short *)defaultValue.characters(), defaultValue.length()); jstring jUrlStr = env->NewString((unsigned short *)url.characters(), url.length()); - jstring returnVal = (jstring) env->CallObjectMethod(m_javaGlue->object(env).get(), m_javaGlue->m_jsPrompt, jUrlStr, jInputStr, jDefaultStr); + jstring returnVal = (jstring) env->CallObjectMethod(obj.get(), m_javaGlue->m_jsPrompt, jUrlStr, jInputStr, jDefaultStr); // If returnVal is null, it means that the user cancelled the dialog. if (!returnVal) return false; @@ -2153,9 +2253,14 @@ bool WebViewCore::jsPrompt(const WebCore::String& url, const WebCore::String& te bool WebViewCore::jsUnload(const WebCore::String& url, const WebCore::String& message) { JNIEnv* env = JSC::Bindings::getJNIEnv(); + AutoJObject obj = m_javaGlue->object(env); + // if it is called during DESTROY is handled, the real object of WebViewCore + // can be gone. Check before using it. + if (!obj.get()) + return false; jstring jInputStr = env->NewString((unsigned short *)message.characters(), message.length()); jstring jUrlStr = env->NewString((unsigned short *)url.characters(), url.length()); - jboolean result = env->CallBooleanMethod(m_javaGlue->object(env).get(), m_javaGlue->m_jsUnload, jUrlStr, jInputStr); + jboolean result = env->CallBooleanMethod(obj.get(), m_javaGlue->m_jsUnload, jUrlStr, jInputStr); env->DeleteLocalRef(jInputStr); env->DeleteLocalRef(jUrlStr); checkException(env); @@ -2165,7 +2270,12 @@ bool WebViewCore::jsUnload(const WebCore::String& url, const WebCore::String& me bool WebViewCore::jsInterrupt() { JNIEnv* env = JSC::Bindings::getJNIEnv(); - jboolean result = env->CallBooleanMethod(m_javaGlue->object(env).get(), m_javaGlue->m_jsInterrupt); + AutoJObject obj = m_javaGlue->object(env); + // if it is called during DESTROY is handled, the real object of WebViewCore + // can be gone. Check before using it. + if (!obj.get()) + return true; // default to interrupt + jboolean result = env->CallBooleanMethod(obj.get(), m_javaGlue->m_jsInterrupt); checkException(env); return result; } @@ -2180,7 +2290,12 @@ jobject WebViewCore::getWebViewJavaObject() { JNIEnv* env = JSC::Bindings::getJNIEnv(); - return env->GetObjectField(m_javaGlue->object(env).get(), gWebViewCoreFields.m_webView); + AutoJObject obj = m_javaGlue->object(env); + // if it is called during DESTROY is handled, the real object of WebViewCore + // can be gone. Check before using it. + if (!obj.get()) + return 0; + return env->GetObjectField(obj.get(), gWebViewCoreFields.m_webView); } void WebViewCore::updateTextSelection() { @@ -2192,7 +2307,12 @@ void WebViewCore::updateTextSelection() { return; RenderTextControl* rtc = static_cast<RenderTextControl*>(renderer); JNIEnv* env = JSC::Bindings::getJNIEnv(); - env->CallVoidMethod(m_javaGlue->object(env).get(), + AutoJObject obj = m_javaGlue->object(env); + // if it is called during DESTROY is handled, the real object of WebViewCore + // can be gone. Check before using it. + if (!obj.get()) + return; + env->CallVoidMethod(obj.get(), m_javaGlue->m_updateTextSelection, reinterpret_cast<int>(focusNode), rtc->selectionStart(), rtc->selectionEnd(), m_textGeneration); checkException(env); @@ -2204,15 +2324,21 @@ void WebViewCore::updateTextfield(WebCore::Node* ptr, bool changeToPassword, if (m_blockTextfieldUpdates) return; JNIEnv* env = JSC::Bindings::getJNIEnv(); + AutoJObject obj = m_javaGlue->object(env); + // if it is called during DESTROY is handled, the real object of WebViewCore + // can be gone. Check before using it. + if (!obj.get()) + return; + if (changeToPassword) { - env->CallVoidMethod(m_javaGlue->object(env).get(), m_javaGlue->m_updateTextfield, + env->CallVoidMethod(obj.get(), m_javaGlue->m_updateTextfield, (int) ptr, true, 0, m_textGeneration); checkException(env); return; } int length = text.length(); jstring string = env->NewString((unsigned short *) text.characters(), length); - env->CallVoidMethod(m_javaGlue->object(env).get(), m_javaGlue->m_updateTextfield, + env->CallVoidMethod(obj.get(), m_javaGlue->m_updateTextfield, (int) ptr, false, string, m_textGeneration); env->DeleteLocalRef(string); checkException(env); @@ -2221,8 +2347,13 @@ void WebViewCore::updateTextfield(WebCore::Node* ptr, bool changeToPassword, void WebViewCore::clearTextEntry() { JNIEnv* env = JSC::Bindings::getJNIEnv(); - env->CallVoidMethod(m_javaGlue->object(env).get(), - m_javaGlue->m_clearTextEntry); + AutoJObject obj = m_javaGlue->object(env); + // if it is called during DESTROY is handled, the real object of WebViewCore + // can be gone. Check before using it. + if (!obj.get()) + return; + + env->CallVoidMethod(obj.get(), m_javaGlue->m_clearTextEntry); } void WebViewCore::setBackgroundColor(SkColor c) @@ -2243,8 +2374,14 @@ void WebViewCore::startFullScreenPluginActivity(const char* libName, JNIEnv* env = JSC::Bindings::getJNIEnv(); jstring libString = env->NewStringUTF(libName); + AutoJObject obj = m_javaGlue->object(env); + // if it is called during DESTROY is handled, the real object of WebViewCore + // can be gone. Check before using it. + if (!obj.get()) + return; + jstring classString = env->NewStringUTF(className); - env->CallVoidMethod(m_javaGlue->object(env).get(), + env->CallVoidMethod(obj.get(), m_javaGlue->m_startFullScreenPluginActivity, libString, classString, (int) npp); checkException(env); @@ -2254,10 +2391,15 @@ jobject WebViewCore::createSurface(const char* libName, const char* className, NPP npp, int x, int y, int width, int height) { JNIEnv* env = JSC::Bindings::getJNIEnv(); + AutoJObject obj = m_javaGlue->object(env); + // if it is called during DESTROY is handled, the real object of WebViewCore + // can be gone. Check before using it. + if (!obj.get()) + return 0; jstring libString = env->NewStringUTF(libName); jstring classString = env->NewStringUTF(className); - jobject result = env->CallObjectMethod(m_javaGlue->object(env).get(), + jobject result = env->CallObjectMethod(obj.get(), m_javaGlue->m_createSurface, libString, classString,(int) npp, x, y, width, height); checkException(env); @@ -2268,7 +2410,13 @@ jobject WebViewCore::createSurface(const char* libName, const char* className, void WebViewCore::destroySurface(jobject childView) { JNIEnv* env = JSC::Bindings::getJNIEnv(); - env->CallVoidMethod(m_javaGlue->object(env).get(), m_javaGlue->m_destroySurface, childView); + AutoJObject obj = m_javaGlue->object(env); + // if it is called during DESTROY is handled, the real object of WebViewCore + // can be gone. Check before using it. + if (!obj.get()) + return; + + env->CallVoidMethod(obj.get(), m_javaGlue->m_destroySurface, childView); checkException(env); } |