mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
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259 lines
9.2 KiB
Java
259 lines
9.2 KiB
Java
/* -*- Mode: Java; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*-
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* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Mozilla Android code.
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*
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* The Initial Developer of the Original Code is Mozilla Foundation.
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* Portions created by the Initial Developer are Copyright (C) 2009-2010
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Patrick Walton <pcwalton@mozilla.com>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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package org.mozilla.gecko.gfx;
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import org.mozilla.gecko.GeckoAppShell;
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import org.mozilla.gecko.GeckoEvent;
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import org.mozilla.gecko.GeckoEventListener;
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import org.mozilla.gecko.gfx.FloatSize;
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import org.mozilla.gecko.gfx.InputConnectionHandler;
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import org.mozilla.gecko.gfx.LayerController;
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import org.mozilla.gecko.GeckoInputConnection;
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import org.mozilla.gecko.ui.SimpleScaleGestureDetector;
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import android.content.Context;
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import android.opengl.GLSurfaceView;
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import android.view.View;
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import android.view.GestureDetector;
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import android.view.KeyEvent;
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import android.view.MotionEvent;
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import android.view.inputmethod.EditorInfo;
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import android.view.inputmethod.InputConnection;
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import android.view.ScaleGestureDetector;
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import android.widget.RelativeLayout;
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import android.util.Log;
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import java.nio.IntBuffer;
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import java.util.LinkedList;
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import org.json.JSONArray;
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import org.json.JSONException;
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import org.json.JSONObject;
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/**
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* A view rendered by the layer compositor.
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*
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* This view delegates to LayerRenderer to actually do the drawing. Its role is largely that of a
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* mediator between the LayerRenderer and the LayerController.
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*/
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public class LayerView extends FlexibleGLSurfaceView implements AbstractLayerView,
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GeckoEventListener {
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private Context mContext;
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private LayerController mController;
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private InputConnectionHandler mInputConnectionHandler;
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private LayerRenderer mRenderer;
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private GestureDetector mGestureDetector;
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private SimpleScaleGestureDetector mScaleGestureDetector;
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private long mRenderTime;
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private boolean mRenderTimeReset;
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private static String LOGTAG = "GeckoLayerView";
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/* List of events to be processed if the page does not prevent them. Should only be touched on the main thread */
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private LinkedList<MotionEvent> mEventQueue = new LinkedList<MotionEvent>();
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private boolean touchEventsEnabled = false;
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private String touchEventsPrefName = "dom.w3c_touch_events.enabled";
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public LayerView(Context context, LayerController controller) {
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super(context);
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mContext = context;
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mController = controller;
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mRenderer = new LayerRenderer(this);
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setRenderer(mRenderer);
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mGestureDetector = new GestureDetector(context, controller.getGestureListener());
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mScaleGestureDetector =
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new SimpleScaleGestureDetector(controller.getScaleGestureListener());
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mGestureDetector.setOnDoubleTapListener(controller.getDoubleTapListener());
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mInputConnectionHandler = null;
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setFocusable(true);
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setFocusableInTouchMode(true);
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GeckoAppShell.registerGeckoEventListener("Preferences:Data", this);
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JSONArray jsonPrefs = new JSONArray();
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jsonPrefs.put(touchEventsPrefName);
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GeckoEvent event = new GeckoEvent("Preferences:Get", jsonPrefs.toString());
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GeckoAppShell.sendEventToGecko(event);
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createGLThread();
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}
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public void handleMessage(String event, JSONObject message) {
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if (event.equals("Preferences:Data")) {
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try {
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JSONArray jsonPrefs = message.getJSONArray("preferences");
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for (int i = 0; i < jsonPrefs.length(); i++) {
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JSONObject jPref = jsonPrefs.getJSONObject(i);
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final String prefName = jPref.getString("name");
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if (prefName.equals(touchEventsPrefName)) {
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touchEventsEnabled = jPref.getBoolean("value");
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GeckoAppShell.unregisterGeckoEventListener("Preferences:Data", this);
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}
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}
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} catch(JSONException ex) {
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Log.e(LOGTAG, "Error decoding JSON", ex);
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}
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}
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}
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private void addToEventQueue(MotionEvent event) {
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MotionEvent copy = MotionEvent.obtain(event);
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mEventQueue.add(copy);
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}
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public void processEventQueue() {
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MotionEvent event = mEventQueue.poll();
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while(event != null) {
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processEvent(event);
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event = mEventQueue.poll();
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}
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}
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public void clearEventQueue() {
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mEventQueue.clear();
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}
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@Override
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public boolean onTouchEvent(MotionEvent event) {
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if (touchEventsEnabled && mController.onTouchEvent(event)) {
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addToEventQueue(event);
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return true;
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}
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return processEvent(event);
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}
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private boolean processEvent(MotionEvent event) {
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if (mGestureDetector.onTouchEvent(event))
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return true;
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mScaleGestureDetector.onTouchEvent(event);
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if (mScaleGestureDetector.isInProgress())
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return true;
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mController.getPanZoomController().onTouchEvent(event);
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return true;
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}
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public LayerController getController() { return mController; }
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/** The LayerRenderer calls this to indicate that the window has changed size. */
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public void setViewportSize(IntSize size) {
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mController.setViewportSize(new FloatSize(size));
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}
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public GeckoInputConnection setInputConnectionHandler() {
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GeckoInputConnection geckoInputConnection = GeckoInputConnection.create(this);
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mInputConnectionHandler = geckoInputConnection;
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return geckoInputConnection;
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}
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@Override
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public InputConnection onCreateInputConnection(EditorInfo outAttrs) {
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if (mInputConnectionHandler != null)
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return mInputConnectionHandler.onCreateInputConnection(outAttrs);
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return null;
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}
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@Override
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public boolean onKeyPreIme(int keyCode, KeyEvent event) {
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if (mInputConnectionHandler != null)
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return mInputConnectionHandler.onKeyPreIme(keyCode, event);
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return false;
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}
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@Override
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public boolean onKeyDown(int keyCode, KeyEvent event) {
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if (mInputConnectionHandler != null)
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return mInputConnectionHandler.onKeyDown(keyCode, event);
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return false;
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}
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@Override
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public boolean onKeyLongPress(int keyCode, KeyEvent event) {
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if (mInputConnectionHandler != null)
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return mInputConnectionHandler.onKeyLongPress(keyCode, event);
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return false;
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}
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@Override
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public boolean onKeyMultiple(int keyCode, int repeatCount, KeyEvent event) {
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if (mInputConnectionHandler != null)
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return mInputConnectionHandler.onKeyMultiple(keyCode, repeatCount, event);
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return false;
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}
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@Override
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public boolean onKeyUp(int keyCode, KeyEvent event) {
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if (mInputConnectionHandler != null)
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return mInputConnectionHandler.onKeyUp(keyCode, event);
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return false;
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}
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@Override
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public void requestRender() {
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super.requestRender();
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synchronized(this) {
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if (!mRenderTimeReset) {
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mRenderTimeReset = true;
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mRenderTime = System.nanoTime();
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}
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}
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}
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/**
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* Returns the time elapsed between the first call of requestRender() after
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* the last call of getRenderTime(), in nanoseconds.
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*/
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public long getRenderTime() {
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synchronized(this) {
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mRenderTimeReset = false;
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return System.nanoTime() - mRenderTime;
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}
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}
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public int getMaxTextureSize() {
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return mRenderer.getMaxTextureSize();
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}
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public View getAndroidView() {
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return this;
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}
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/** Used by robocop for testing purposes. Not for production use! This is called via reflection by robocop. */
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public IntBuffer getPixels() {
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return mRenderer.getPixels();
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}
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}
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