michael@0: /* -*- Mode: Java; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*-
michael@0:  * This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: package org.mozilla.gecko.gfx;
michael@0: 
michael@0: import org.mozilla.gecko.GeckoEvent;
michael@0: import org.mozilla.gecko.GeckoThread;
michael@0: import org.mozilla.gecko.mozglue.generatorannotations.WrapElementForJNI;
michael@0: import org.mozilla.gecko.EventDispatcher;
michael@0: import org.mozilla.gecko.util.GeckoEventListener;
michael@0: 
michael@0: import org.json.JSONObject;
michael@0: 
michael@0: import android.graphics.PointF;
michael@0: import android.view.KeyEvent;
michael@0: import android.view.MotionEvent;
michael@0: import android.view.View;
michael@0: 
michael@0: class NativePanZoomController implements PanZoomController, GeckoEventListener {
michael@0:     private final PanZoomTarget mTarget;
michael@0:     private final EventDispatcher mDispatcher;
michael@0:     private final CallbackRunnable mCallbackRunnable;
michael@0: 
michael@0:     NativePanZoomController(PanZoomTarget target, View view, EventDispatcher dispatcher) {
michael@0:         mTarget = target;
michael@0:         mDispatcher = dispatcher;
michael@0:         mCallbackRunnable = new CallbackRunnable();
michael@0:         if (GeckoThread.checkLaunchState(GeckoThread.LaunchState.GeckoRunning)) {
michael@0:             init();
michael@0:         } else {
michael@0:             mDispatcher.registerEventListener("Gecko:Ready", this);
michael@0:         }
michael@0:     }
michael@0: 
michael@0:     public void handleMessage(String event, JSONObject message) {
michael@0:         if ("Gecko:Ready".equals(event)) {
michael@0:             mDispatcher.unregisterEventListener("Gecko:Ready", this);
michael@0:             init();
michael@0:         }
michael@0:     }
michael@0: 
michael@0:     public boolean onTouchEvent(MotionEvent event) {
michael@0:         GeckoEvent wrapped = GeckoEvent.createMotionEvent(event, true);
michael@0:         handleTouchEvent(wrapped);
michael@0:         return false;
michael@0:     }
michael@0: 
michael@0:     public boolean onMotionEvent(MotionEvent event) {
michael@0:         // FIXME implement this
michael@0:         return false;
michael@0:     }
michael@0: 
michael@0:     public boolean onKeyEvent(KeyEvent event) {
michael@0:         // FIXME implement this
michael@0:         return false;
michael@0:     }
michael@0: 
michael@0:     public PointF getVelocityVector() {
michael@0:         // FIXME implement this
michael@0:         return new PointF(0, 0);
michael@0:     }
michael@0: 
michael@0:     public void pageRectUpdated() {
michael@0:         // no-op in APZC, I think
michael@0:     }
michael@0: 
michael@0:     public void abortPanning() {
michael@0:         // no-op in APZC, I think
michael@0:     }
michael@0: 
michael@0:     public native void abortAnimation();
michael@0: 
michael@0:     private native void init();
michael@0:     private native void handleTouchEvent(GeckoEvent event);
michael@0:     private native void handleMotionEvent(GeckoEvent event);
michael@0:     private native long runDelayedCallback();
michael@0: 
michael@0:     public native void destroy();
michael@0:     public native void notifyDefaultActionPrevented(boolean prevented);
michael@0:     public native boolean getRedrawHint();
michael@0:     public native void setOverScrollMode(int overscrollMode);
michael@0:     public native int getOverScrollMode();
michael@0: 
michael@0:     @WrapElementForJNI(allowMultithread = true, stubName = "RequestContentRepaintWrapper")
michael@0:     private void requestContentRepaint(float x, float y, float width, float height, float resolution) {
michael@0:         mTarget.forceRedraw(new DisplayPortMetrics(x, y, x + width, y + height, resolution));
michael@0:     }
michael@0: 
michael@0:     @WrapElementForJNI(allowMultithread = true, stubName = "PostDelayedCallbackWrapper")
michael@0:     private void postDelayedCallback(long delay) {
michael@0:         mTarget.postDelayed(mCallbackRunnable, delay);
michael@0:     }
michael@0: 
michael@0:     class CallbackRunnable implements Runnable {
michael@0:         @Override
michael@0:         public void run() {
michael@0:             long nextDelay = runDelayedCallback();
michael@0:             if (nextDelay >= 0) {
michael@0:                 mTarget.postDelayed(this, nextDelay);
michael@0:             }
michael@0:         }
michael@0:     }
michael@0: 
michael@0:     public void setOverscrollHandler(final Overscroll listener) {
michael@0:     }
michael@0: }