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author | Ben Murdoch <benm@google.com> | 2011-05-13 16:40:46 +0100 |
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committer | Ben Murdoch <benm@google.com> | 2011-05-16 11:35:03 +0100 |
commit | a2c606d1d8312a5d063e4a11e5911d9c8e4a3d19 (patch) | |
tree | 614d69ba96a23bc057e539a3c8a7d4961a68254b /Source/WebKit/android/jni/DeviceMotionClientImpl.cpp | |
parent | 65f03d4f644ce73618e5f4f50dd694b26f55ae12 (diff) | |
download | external_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.cpp | 130 |
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 |