summaryrefslogtreecommitdiffstats
path: root/Source/WebKit/android/jni/DeviceMotionClientImpl.cpp
diff options
context:
space:
mode:
authorBen Murdoch <benm@google.com>2011-05-13 16:40:46 +0100
committerBen Murdoch <benm@google.com>2011-05-16 11:35:03 +0100
commita2c606d1d8312a5d063e4a11e5911d9c8e4a3d19 (patch)
tree614d69ba96a23bc057e539a3c8a7d4961a68254b /Source/WebKit/android/jni/DeviceMotionClientImpl.cpp
parent65f03d4f644ce73618e5f4f50dd694b26f55ae12 (diff)
downloadexternal_webkit-a2c606d1d8312a5d063e4a11e5911d9c8e4a3d19.zip
external_webkit-a2c606d1d8312a5d063e4a11e5911d9c8e4a3d19.tar.gz
external_webkit-a2c606d1d8312a5d063e4a11e5911d9c8e4a3d19.tar.bz2
Merge WebKit at r75993: Move WebKit/android files to Source
Change-Id: Ifa871f8320bdb3a09fe189fffecc23f702c394b9
Diffstat (limited to 'Source/WebKit/android/jni/DeviceMotionClientImpl.cpp')
-rw-r--r--Source/WebKit/android/jni/DeviceMotionClientImpl.cpp130
1 files changed, 130 insertions, 0 deletions
diff --git a/Source/WebKit/android/jni/DeviceMotionClientImpl.cpp b/Source/WebKit/android/jni/DeviceMotionClientImpl.cpp
new file mode 100644
index 0000000..82f3c35
--- /dev/null
+++ b/Source/WebKit/android/jni/DeviceMotionClientImpl.cpp
@@ -0,0 +1,130 @@
+/*
+ * Copyright 2010, 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 "DeviceMotionClientImpl.h"
+
+#include "WebViewCore.h"
+#include <DeviceMotionController.h>
+#include <Frame.h>
+#include <JNIHelp.h>
+
+namespace android {
+
+using JSC::Bindings::getJNIEnv;
+
+enum javaServiceClassMethods {
+ ServiceMethodStart = 0,
+ ServiceMethodStop,
+ ServiceMethodSuspend,
+ ServiceMethodResume,
+ ServiceMethodCount
+};
+static jmethodID javaServiceClassMethodIDs[ServiceMethodCount];
+
+DeviceMotionClientImpl::DeviceMotionClientImpl(WebViewCore* webViewCore)
+ : m_webViewCore(webViewCore)
+ , m_javaServiceObject(0)
+{
+ ASSERT(m_webViewCore);
+}
+
+DeviceMotionClientImpl::~DeviceMotionClientImpl()
+{
+ releaseJavaInstance();
+}
+
+jobject DeviceMotionClientImpl::getJavaInstance()
+{
+ // Lazily get the Java object. We can't do this until the WebViewCore is all
+ // set up.
+ if (m_javaServiceObject)
+ return m_javaServiceObject;
+
+ JNIEnv* env = getJNIEnv();
+
+ ASSERT(m_webViewCore);
+ jobject object = m_webViewCore->getDeviceMotionService();
+
+ // Get the Java DeviceMotionService class.
+ jclass javaServiceClass = env->GetObjectClass(object);
+ ASSERT(javaServiceClass);
+
+ // Set up the methods we wish to call on the Java DeviceMotionService
+ // class.
+ javaServiceClassMethodIDs[ServiceMethodStart] =
+ env->GetMethodID(javaServiceClass, "start", "()V");
+ javaServiceClassMethodIDs[ServiceMethodStop] =
+ env->GetMethodID(javaServiceClass, "stop", "()V");
+ javaServiceClassMethodIDs[ServiceMethodSuspend] =
+ env->GetMethodID(javaServiceClass, "suspend", "()V");
+ javaServiceClassMethodIDs[ServiceMethodResume] =
+ env->GetMethodID(javaServiceClass, "resume", "()V");
+ env->DeleteLocalRef(javaServiceClass);
+
+ m_javaServiceObject = getJNIEnv()->NewGlobalRef(object);
+ getJNIEnv()->DeleteLocalRef(object);
+
+ ASSERT(m_javaServiceObject);
+ return m_javaServiceObject;
+}
+
+void DeviceMotionClientImpl::releaseJavaInstance()
+{
+ ASSERT(m_javaServiceObject);
+ getJNIEnv()->DeleteGlobalRef(m_javaServiceObject);
+}
+
+void DeviceMotionClientImpl::startUpdating()
+{
+ getJNIEnv()->CallVoidMethod(getJavaInstance(),
+ javaServiceClassMethodIDs[ServiceMethodStart]);
+}
+
+void DeviceMotionClientImpl::stopUpdating()
+{
+ getJNIEnv()->CallVoidMethod(getJavaInstance(),
+ javaServiceClassMethodIDs[ServiceMethodStop]);
+}
+
+void DeviceMotionClientImpl::onMotionChange(PassRefPtr<DeviceMotionData> motion)
+{
+ m_lastMotion = motion;
+ m_controller->didChangeDeviceMotion(m_lastMotion.get());
+}
+
+void DeviceMotionClientImpl::suspend()
+{
+ getJNIEnv()->CallVoidMethod(getJavaInstance(),
+ javaServiceClassMethodIDs[ServiceMethodSuspend]);
+}
+
+void DeviceMotionClientImpl::resume()
+{
+ getJNIEnv()->CallVoidMethod(getJavaInstance(),
+ javaServiceClassMethodIDs[ServiceMethodResume]);
+}
+
+} // namespace android