From a2c606d1d8312a5d063e4a11e5911d9c8e4a3d19 Mon Sep 17 00:00:00 2001
From: Ben Murdoch <benm@google.com>
Date: Fri, 13 May 2011 16:40:46 +0100
Subject: Merge WebKit at r75993: Move WebKit/android files to Source

Change-Id: Ifa871f8320bdb3a09fe189fffecc23f702c394b9
---
 Source/WebKit/android/jni/WebCoreJni.cpp | 117 +++++++++++++++++++++++++++++++
 1 file changed, 117 insertions(+)
 create mode 100644 Source/WebKit/android/jni/WebCoreJni.cpp

(limited to 'Source/WebKit/android/jni/WebCoreJni.cpp')

diff --git a/Source/WebKit/android/jni/WebCoreJni.cpp b/Source/WebKit/android/jni/WebCoreJni.cpp
new file mode 100644
index 0000000..2a07999
--- /dev/null
+++ b/Source/WebKit/android/jni/WebCoreJni.cpp
@@ -0,0 +1,117 @@
+/*
+ * Copyright 2007, The Android Open Source Project
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *  * Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *  * Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#define LOG_TAG "webcoreglue"
+
+#include "config.h"
+#include "WebCoreJni.h"
+
+#include "NotImplemented.h"
+#include <JNIUtility.h>
+#include <jni.h>
+#include <utils/Log.h>
+
+namespace android {
+
+AutoJObject getRealObject(JNIEnv* env, jobject obj)
+{
+    jobject real = env->NewLocalRef(obj);
+    LOG_ASSERT(real, "The real object has been deleted!");
+    return AutoJObject(env, real);
+}
+
+/**
+ * Helper method for checking java exceptions
+ * @return true if an exception occurred.
+ */
+bool checkException(JNIEnv* env)
+{
+    if (env->ExceptionCheck() != 0)
+    {
+        LOGE("*** Uncaught exception returned from Java call!\n");
+        env->ExceptionDescribe();
+        return true;
+    }
+    return false;
+}
+
+// This method is safe to call from the ui thread and the WebCore thread.
+WTF::String jstringToWtfString(JNIEnv* env, jstring str)
+{
+    if (!str || !env)
+        return WTF::String();
+    const jchar* s = env->GetStringChars(str, NULL);
+    if (!s)
+        return WTF::String();
+    WTF::String ret(s, env->GetStringLength(str));
+    env->ReleaseStringChars(str, s);
+    checkException(env);
+    return ret;
+}
+
+jstring wtfStringToJstring(JNIEnv* env, const WTF::String& str, bool validOnZeroLength)
+{
+    int length = str.length();
+    return length || validOnZeroLength ? env->NewString(str.characters(), length) : 0;
+}
+
+
+#if USE(CHROME_NETWORK_STACK)
+string16 jstringToString16(JNIEnv* env, jstring jstr)
+{
+    if (!jstr || !env)
+        return string16();
+
+    const char* s = env->GetStringUTFChars(jstr, 0);
+    if (!s)
+        return string16();
+    string16 str = UTF8ToUTF16(s);
+    env->ReleaseStringUTFChars(jstr, s);
+    checkException(env);
+    return str;
+}
+
+std::string jstringToStdString(JNIEnv* env, jstring jstr)
+{
+    if (!jstr || !env)
+        return std::string();
+
+    const char* s = env->GetStringUTFChars(jstr, 0);
+    if (!s)
+        return std::string();
+    std::string str(s);
+    env->ReleaseStringUTFChars(jstr, s);
+    checkException(env);
+    return str;
+}
+
+jstring stdStringToJstring(JNIEnv* env, const std::string& str, bool validOnZeroLength)
+{
+    return !str.empty() || validOnZeroLength ? env->NewStringUTF(str.c_str()) : 0;
+}
+
+#endif
+
+}
-- 
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