display: Create QService binder interface.

Add QService binder interface to enable communication
to display by the mediaserver for Securing/Unsecuring start and end
notifications.

Create separate lib for external.
Clear reserved field before applying format.

Change-Id: I463c9c6deac7587bd0c4e0b84513b5d0b5dd7e98
diff --git a/libqservice/QService.cpp b/libqservice/QService.cpp
new file mode 100644
index 0000000..77a9518
--- /dev/null
+++ b/libqservice/QService.cpp
@@ -0,0 +1,83 @@
+/*
+ *  Copyright (c) 2012, The Linux Foundation. All rights reserved.
+ *
+ * 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.
+ *     * Neither the name of Code Aurora Forum, Inc. nor the names of its
+ *       contributors may be used to endorse or promote products derived
+ *       from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
+ * 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 <QService.h>
+#include <hwc_utils.h>
+
+#define QSERVICE_DEBUG 0
+
+using namespace android;
+
+namespace qService {
+
+QService* QService::sQService = NULL;
+// ----------------------------------------------------------------------------
+QService::QService(hwc_context_t *ctx):mHwcContext(ctx)
+{
+    ALOGD_IF(QSERVICE_DEBUG, "QService Constructor invoked");
+}
+
+QService::~QService()
+{
+    ALOGD_IF(QSERVICE_DEBUG,"QService Destructor invoked");
+}
+
+void QService::securing(uint32_t startEnd) {
+    mHwcContext->mSecuring = startEnd;
+    //We're done securing
+    if(startEnd == END)
+        mHwcContext->mSecureMode = true;
+    if(mHwcContext->proc)
+        mHwcContext->proc->invalidate(mHwcContext->proc);
+}
+
+void QService::unsecuring(uint32_t startEnd) {
+    mHwcContext->mSecuring = startEnd;
+    //We're done unsecuring
+    if(startEnd == END)
+        mHwcContext->mSecureMode = false;
+    if(mHwcContext->proc)
+        mHwcContext->proc->invalidate(mHwcContext->proc);
+}
+
+QService* QService::getInstance(hwc_context_t *ctx)
+{
+    if(!sQService) {
+        sQService = new QService(ctx);
+        sp<IServiceManager> sm = defaultServiceManager();
+        sm->addService(String16("display.qservice"), sQService);
+        if(sm->checkService(String16("display.qservice")) != NULL)
+            ALOGD_IF(QSERVICE_DEBUG, "adding display.qservice succeeded");
+        else
+            ALOGD_IF(QSERVICE_DEBUG, "adding display.qservice failed");
+    }
+    return sQService;
+}
+
+}