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/**************************************************************************************************
Copyright © 2017 Xevo Inc.
Redistribution and use in source and binary forms, with or without modification, are permitted
provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice, this list of conditions
and the following disclaimer.
2. 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.
3. Neither the name of the copyright holder 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 BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 HOLDER 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.
*/
package com.smartdevicelink.managers.video;
import android.view.View;
import android.view.ViewGroup;
import com.smartdevicelink.managers.ISdl;
import com.smartdevicelink.proxy.rpc.HapticRect;
import com.smartdevicelink.proxy.rpc.Rectangle;
import com.smartdevicelink.proxy.rpc.SendHapticData;
import com.smartdevicelink.proxy.rpc.VideoStreamingCapability;
import com.smartdevicelink.proxy.rpc.enums.SystemCapabilityType;
import java.lang.ref.WeakReference;
import java.util.ArrayList;
import java.util.List;
/**
* Created on 9/22/2017.
*
* Manages haptic data used to render focusable areas on the HU screen. App developers can
* over-ride the default logic used to find focusable Views by passing their own data to
* {@link #setHapticData(List)}
*/
class HapticInterfaceManager extends BaseHapticInterfaceManager {
private static final String TAG = "Haptic";
private final WeakReference<ISdl> proxyHolder;
private List<HapticRect> userHapticData;
HapticInterfaceManager(ISdl proxy) {
this.proxyHolder = new WeakReference<>(proxy);
}
/**
* Sets haptic data and sends update to the HU. To be used by app code instead of letting
* Presentation find the Views and automatically send to HU.
*
* @param hapticData
* Rect data indicating "focusable" screen elements or areas
*/
void setHapticData(List<HapticRect> hapticData) {
userHapticData = hapticData;
if(proxyHolder.get() != null) {
ISdl proxy = proxyHolder.get();
SendHapticData msg = new SendHapticData();
msg.setHapticRectData(userHapticData);
proxy.sendRPC(msg);
}
}
/**
* Sends haptic data found by searching for focusable and clickable Views in the view hierarchy
* to the HU. Should be called by Presentation's OnShowListener.
*
* @param root
* the root or parent View
*/
void refreshHapticData(View root) {
if(proxyHolder.get() != null) {
ISdl proxy = proxyHolder.get();
if (userHapticData == null) {
List<HapticRect> hapticRects = new ArrayList<>();
findHapticRects(root, hapticRects);
SendHapticData msg = new SendHapticData();
msg.setHapticRectData(hapticRects);
proxy.sendRPC(msg);
}
}
}
private void findHapticRects(View root, final List<HapticRect> hapticRects) {
List<View> focusables = new ArrayList<>();
getFocusableViews(root, focusables);
double scale = 1.0;
if (proxyHolder.get() != null) {
ISdl proxy = proxyHolder.get();
VideoStreamingCapability videoStreamingCapability = null;
if (proxy.getSystemCapabilityManager() != null) {
videoStreamingCapability = (VideoStreamingCapability) proxy.getSystemCapabilityManager().getCapability(SystemCapabilityType.VIDEO_STREAMING, null, false);
}
if (videoStreamingCapability != null && videoStreamingCapability.getScale() != null) {
scale = videoStreamingCapability.getScale();
}
}
int [] loc = new int[2];
int id = 0;
for (View view : focusables) {
int w = view.getWidth();
int h = view.getHeight();
view.getLocationOnScreen(loc);
Rectangle rect = new Rectangle();
rect.setWidth((float) (w * scale));
rect.setHeight((float) (h * scale));
rect.setX((float) (loc[0] * scale));
rect.setY((float) (loc[1] * scale));
HapticRect hapticRect = new HapticRect();
hapticRect.setId(id++);
hapticRect.setRect(rect);
hapticRects.add(hapticRect);
}
}
private void getFocusableViews(View view, final List<View> focusables) {
// Not using addFocusables() or addTouchables() because of concerns with adding ViewGroup
// and not getting "clickables."
if (!(view instanceof ViewGroup) && (view != null) &&
(view.isFocusable() || view.isClickable())) {
focusables.add(view);
}
if (view instanceof ViewGroup) {
ViewGroup parent = (ViewGroup) view;
for (int i = 0; i < parent.getChildCount(); i++) {
getFocusableViews(parent.getChildAt(i), focusables);
}
}
}
}
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