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/JavaSharedClient.cpp | 137 +++++++++++++++++++++++++
 1 file changed, 137 insertions(+)
 create mode 100644 Source/WebKit/android/jni/JavaSharedClient.cpp

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

diff --git a/Source/WebKit/android/jni/JavaSharedClient.cpp b/Source/WebKit/android/jni/JavaSharedClient.cpp
new file mode 100644
index 0000000..e884c99
--- /dev/null
+++ b/Source/WebKit/android/jni/JavaSharedClient.cpp
@@ -0,0 +1,137 @@
+/*
+ * 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.
+ */
+
+#include "config.h"
+#include "FileSystemClient.h"
+#include "JavaSharedClient.h"
+#include "TimerClient.h"
+#include "SkDeque.h"
+#include "SkThread.h"
+
+namespace android {
+    TimerClient* JavaSharedClient::GetTimerClient()
+    {
+        return gTimerClient;
+    }
+
+    CookieClient* JavaSharedClient::GetCookieClient()
+    {
+        return gCookieClient;
+    }
+
+    PluginClient* JavaSharedClient::GetPluginClient()
+    {
+        return gPluginClient;
+    }
+
+    KeyGeneratorClient* JavaSharedClient::GetKeyGeneratorClient()
+    {
+        return gKeyGeneratorClient;
+    }
+
+    FileSystemClient* JavaSharedClient::GetFileSystemClient()
+    {
+        return gFileSystemClient;
+    }
+
+    void JavaSharedClient::SetTimerClient(TimerClient* client)
+    {
+        gTimerClient = client;
+    }
+
+    void JavaSharedClient::SetCookieClient(CookieClient* client)
+    {
+        gCookieClient = client;
+    }
+
+    void JavaSharedClient::SetPluginClient(PluginClient* client)
+    {
+        gPluginClient = client;
+    }
+
+    void JavaSharedClient::SetKeyGeneratorClient(KeyGeneratorClient* client)
+    {
+        gKeyGeneratorClient = client;
+    }
+
+    void JavaSharedClient::SetFileSystemClient(FileSystemClient* client)
+    {
+        gFileSystemClient = client;
+    }
+
+    TimerClient*    JavaSharedClient::gTimerClient = NULL;
+    CookieClient*   JavaSharedClient::gCookieClient = NULL;
+    PluginClient*   JavaSharedClient::gPluginClient = NULL;
+    KeyGeneratorClient* JavaSharedClient::gKeyGeneratorClient = NULL;
+    FileSystemClient* JavaSharedClient::gFileSystemClient = NULL;
+
+    ///////////////////////////////////////////////////////////////////////////
+    
+    struct FuncPtrRec {
+        void (*fProc)(void* payload);
+        void* fPayload;
+    };
+    
+    static SkMutex gFuncPtrQMutex;
+    static SkDeque gFuncPtrQ(sizeof(FuncPtrRec));
+
+    void JavaSharedClient::EnqueueFunctionPtr(void (*proc)(void* payload),
+                                              void* payload)
+    {
+        gFuncPtrQMutex.acquire();
+
+        FuncPtrRec* rec = (FuncPtrRec*)gFuncPtrQ.push_back();
+        rec->fProc = proc;
+        rec->fPayload = payload;
+        
+        gFuncPtrQMutex.release();
+        
+        gTimerClient->signalServiceFuncPtrQueue();
+    }
+
+    void JavaSharedClient::ServiceFunctionPtrQueue()
+    {
+        for (;;) {
+            void (*proc)(void*) = 0;
+            void* payload = 0;
+            const FuncPtrRec* rec;
+            
+            // we have to copy the proc/payload (if present). we do this so we
+            // don't call the proc inside the mutex (possible deadlock!)
+            gFuncPtrQMutex.acquire();
+            rec = (const FuncPtrRec*)gFuncPtrQ.front();
+            if (rec) {
+                proc = rec->fProc;
+                payload = rec->fPayload;
+                gFuncPtrQ.pop_front();
+            }
+            gFuncPtrQMutex.release();
+            
+            if (!rec)
+                break;
+            proc(payload);
+        }
+    }
+}
-- 
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