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/*
* 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 "DeviceMotionAndOrientationManager.h"
#include "DeviceMotionClientImpl.h"
#include "DeviceOrientationClientImpl.h"
#include "DeviceOrientationController.h"
#include "WebViewCore.h"
#include "Frame.h"
#include "Page.h"
#include <DeviceOrientationClientMock.h>
#include <JNIHelp.h>
using namespace WebCore;
namespace android {
DeviceMotionAndOrientationManager::DeviceMotionAndOrientationManager(WebViewCore* webViewCore)
: m_useMock(false)
, m_webViewCore(webViewCore)
{
}
void DeviceMotionAndOrientationManager::setUseMock()
{
m_useMock = true;
}
void DeviceMotionAndOrientationManager::setMockMotion(PassRefPtr<DeviceMotionData> motion)
{
// TODO: There is not yet a DeviceMotion mock.
}
void DeviceMotionAndOrientationManager::onMotionChange(PassRefPtr<DeviceMotionData> motion)
{
ASSERT(!m_useMock);
static_cast<DeviceMotionClientImpl*>(m_motionClient.get())->onMotionChange(motion);
}
void DeviceMotionAndOrientationManager::setMockOrientation(PassRefPtr<DeviceOrientation> orientation)
{
if (m_useMock)
static_cast<DeviceOrientationClientMock*>(orientationClient())->setOrientation(orientation);
}
void DeviceMotionAndOrientationManager::onOrientationChange(PassRefPtr<DeviceOrientation> orientation)
{
ASSERT(!m_useMock);
static_cast<DeviceOrientationClientImpl*>(m_orientationClient.get())->onOrientationChange(orientation);
}
void DeviceMotionAndOrientationManager::maybeSuspendClients()
{
if (!m_useMock) {
if (m_motionClient)
static_cast<DeviceMotionClientImpl*>(m_motionClient.get())->suspend();
if (m_orientationClient)
static_cast<DeviceOrientationClientImpl*>(m_orientationClient.get())->suspend();
}
}
void DeviceMotionAndOrientationManager::maybeResumeClients()
{
if (!m_useMock) {
if (m_motionClient)
static_cast<DeviceMotionClientImpl*>(m_motionClient.get())->resume();
if (m_orientationClient)
static_cast<DeviceOrientationClientImpl*>(m_orientationClient.get())->resume();
}
}
DeviceMotionClient* DeviceMotionAndOrientationManager::motionClient()
{
// TODO: There is not yet a DeviceMotion mock.
if (!m_motionClient)
m_motionClient.set(m_useMock ? 0
: static_cast<DeviceMotionClient*>(new DeviceMotionClientImpl(m_webViewCore)));
ASSERT(m_motionClient);
return m_motionClient.get();
}
DeviceOrientationClient* DeviceMotionAndOrientationManager::orientationClient()
{
if (!m_orientationClient)
m_orientationClient.set(m_useMock ? new DeviceOrientationClientMock
: static_cast<DeviceOrientationClient*>(new DeviceOrientationClientImpl(m_webViewCore)));
ASSERT(m_orientationClient);
return m_orientationClient.get();
}
// JNI for android.webkit.DeviceMotionAndOrientationManager
static const char* javaDeviceMotionAndOrientationManagerClass = "android/webkit/DeviceMotionAndOrientationManager";
static WebViewCore* getWebViewCore(JNIEnv* env, jobject webViewCoreObject)
{
jclass webViewCoreClass = env->FindClass("android/webkit/WebViewCore");
jfieldID nativeClassField = env->GetFieldID(webViewCoreClass, "mNativeClass", "I");
env->DeleteLocalRef(webViewCoreClass);
return reinterpret_cast<WebViewCore*>(env->GetIntField(webViewCoreObject, nativeClassField));
}
static void setUseMock(JNIEnv* env, jobject, jobject webViewCoreObject)
{
getWebViewCore(env, webViewCoreObject)->deviceMotionAndOrientationManager()->setUseMock();
}
static void onMotionChange(JNIEnv* env, jobject, jobject webViewCoreObject, bool canProvideX, double x, bool canProvideY, double y, bool canProvideZ, double z, double interval)
{
// We only provide accelerationIncludingGravity.
RefPtr<DeviceMotionData::Acceleration> accelerationIncludingGravity = DeviceMotionData::Acceleration::create(canProvideX, x, canProvideY, y, canProvideZ, z);
bool canProvideInterval = canProvideX || canProvideY || canProvideZ;
RefPtr<DeviceMotionData> motion = DeviceMotionData::create(0, accelerationIncludingGravity.release(), 0, canProvideInterval, interval);
getWebViewCore(env, webViewCoreObject)->deviceMotionAndOrientationManager()->onMotionChange(motion.release());
}
static void setMockOrientation(JNIEnv* env, jobject, jobject webViewCoreObject, bool canProvideAlpha, double alpha, bool canProvideBeta, double beta, bool canProvideGamma, double gamma)
{
RefPtr<DeviceOrientation> orientation = DeviceOrientation::create(canProvideAlpha, alpha, canProvideBeta, beta, canProvideGamma, gamma);
getWebViewCore(env, webViewCoreObject)->deviceMotionAndOrientationManager()->setMockOrientation(orientation.release());
}
static void onOrientationChange(JNIEnv* env, jobject, jobject webViewCoreObject, bool canProvideAlpha, double alpha, bool canProvideBeta, double beta, bool canProvideGamma, double gamma)
{
RefPtr<DeviceOrientation> orientation = DeviceOrientation::create(canProvideAlpha, alpha, canProvideBeta, beta, canProvideGamma, gamma);
getWebViewCore(env, webViewCoreObject)->deviceMotionAndOrientationManager()->onOrientationChange(orientation.release());
}
static JNINativeMethod gDeviceMotionAndOrientationManagerMethods[] = {
{ "nativeSetUseMock", "(Landroid/webkit/WebViewCore;)V", (void*) setUseMock },
{ "nativeOnMotionChange", "(Landroid/webkit/WebViewCore;ZDZDZDD)V", (void*) onMotionChange },
{ "nativeSetMockOrientation", "(Landroid/webkit/WebViewCore;ZDZDZD)V", (void*) setMockOrientation },
{ "nativeOnOrientationChange", "(Landroid/webkit/WebViewCore;ZDZDZD)V", (void*) onOrientationChange }
};
int registerDeviceMotionAndOrientationManager(JNIEnv* env)
{
#ifndef NDEBUG
jclass deviceMotionAndOrientationManager = env->FindClass(javaDeviceMotionAndOrientationManagerClass);
ALOG_ASSERT(deviceMotionAndOrientationManager, "Unable to find class");
env->DeleteLocalRef(deviceMotionAndOrientationManager);
#endif
return jniRegisterNativeMethods(env, javaDeviceMotionAndOrientationManagerClass, gDeviceMotionAndOrientationManagerMethods, NELEM(gDeviceMotionAndOrientationManagerMethods));
}
} // namespace android
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