зеркало из https://github.com/mozilla/gecko-dev.git
597 строки
21 KiB
Java
597 строки
21 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) 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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* Vladimir Vukicevic <vladimir@pobox.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;
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import java.io.*;
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import java.util.*;
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import java.util.concurrent.*;
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import java.util.concurrent.locks.*;
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import java.util.concurrent.atomic.*;
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import java.util.zip.*;
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import java.nio.*;
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import android.os.*;
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import android.app.*;
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import android.text.*;
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import android.text.method.*;
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import android.view.*;
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import android.view.inputmethod.*;
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import android.content.*;
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import android.graphics.*;
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import android.widget.*;
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import android.hardware.*;
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import android.location.*;
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import android.graphics.drawable.*;
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import android.content.res.*;
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import android.util.*;
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/*
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* GeckoSurfaceView implements a GL surface view,
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* similar to GLSurfaceView. However, since we
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* already have a thread for Gecko, we don't really want
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* a separate renderer thread that GLSurfaceView provides.
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*/
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class GeckoSurfaceView
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extends SurfaceView
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implements SurfaceHolder.Callback, SensorEventListener, LocationListener
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{
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public GeckoSurfaceView(Context context) {
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super(context);
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getHolder().addCallback(this);
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inputConnection = new GeckoInputConnection(this);
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setFocusable(true);
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setFocusableInTouchMode(true);
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DisplayMetrics metrics = new DisplayMetrics();
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GeckoApp.mAppContext.getWindowManager().
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getDefaultDisplay().getMetrics(metrics);
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mWidth = metrics.widthPixels;
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mHeight = metrics.heightPixels;
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mBufferWidth = 0;
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mBufferHeight = 0;
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mSurfaceLock = new ReentrantLock();
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mEditableFactory = Editable.Factory.getInstance();
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initEditable("");
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mIMEState = IME_STATE_DISABLED;
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mIMETypeHint = "";
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mIMEActionHint = "";
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}
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protected void finalize() throws Throwable {
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super.finalize();
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}
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void drawSplashScreen() {
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this.drawSplashScreen(getHolder(), mWidth, mHeight);
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}
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void drawSplashScreen(SurfaceHolder holder, int width, int height) {
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Canvas c = holder.lockCanvas();
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if (c == null) {
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Log.i("GeckoSurfaceView", "canvas is null");
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return;
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}
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Resources res = getResources();
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c.drawColor(res.getColor(R.color.splash_background));
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Drawable drawable = res.getDrawable(R.drawable.splash);
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int w = drawable.getIntrinsicWidth();
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int h = drawable.getIntrinsicHeight();
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int x = (width - w)/2;
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int y = (height - h)/2 - 16;
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drawable.setBounds(x, y, x + w, y + h);
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drawable.draw(c);
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Paint p = new Paint();
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p.setTextAlign(Paint.Align.CENTER);
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p.setTextSize(32f);
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p.setAntiAlias(true);
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p.setColor(res.getColor(R.color.splash_font));
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c.drawText(GeckoSurfaceView.mSplashStatusMsg, width/2, y + h + 16, p);
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holder.unlockCanvasAndPost(c);
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}
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/*
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* Called on main thread
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*/
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public void surfaceChanged(SurfaceHolder holder, int format, int width, int height) {
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if (mShowingSplashScreen)
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drawSplashScreen(holder, width, height);
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mSurfaceLock.lock();
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try {
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if (mInDrawing) {
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Log.w("GeckoAppJava", "surfaceChanged while mInDrawing is true!");
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}
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if (width == 0 || height == 0)
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mSoftwareBuffer = null;
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else if (mSoftwareBuffer == null ||
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mSoftwareBuffer.capacity() < (width * height * 2) ||
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mWidth != width || mHeight != height)
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mSoftwareBuffer = ByteBuffer.allocateDirect(width * height * 2);
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boolean doSyncDraw = mDrawMode == DRAW_2D &&
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mSoftwareBuffer != null &&
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GeckoApp.checkLaunchState(GeckoApp.LaunchState.GeckoRunning);
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mSyncDraw = doSyncDraw;
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mFormat = format;
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mWidth = width;
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mHeight = height;
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mSurfaceValid = true;
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Log.i("GeckoAppJava", "surfaceChanged: fmt: " + format + " dim: " + width + " " + height);
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DisplayMetrics metrics = new DisplayMetrics();
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GeckoApp.mAppContext.getWindowManager().getDefaultDisplay().getMetrics(metrics);
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GeckoEvent e = new GeckoEvent(GeckoEvent.SIZE_CHANGED, width, height,
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metrics.widthPixels, metrics.heightPixels);
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GeckoAppShell.sendEventToGecko(e);
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if (mSoftwareBuffer != null)
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GeckoAppShell.scheduleRedraw();
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if (!doSyncDraw) {
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if (mDrawMode == DRAW_GLES_2 || mShowingSplashScreen)
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return;
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Canvas c = holder.lockCanvas();
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c.drawARGB(255, 255, 255, 255);
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holder.unlockCanvasAndPost(c);
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return;
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}
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} finally {
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mSurfaceLock.unlock();
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}
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ByteBuffer bb = null;
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try {
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bb = mSyncBuf.take();
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} catch (InterruptedException ie) {
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Log.e("GeckoAppJava", "Threw exception while getting sync buf: ", ie);
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}
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if (bb != null && bb.capacity() == (width * height * 2)) {
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mSoftwareBitmap = Bitmap.createBitmap(mWidth, mHeight, Bitmap.Config.RGB_565);
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mSoftwareBitmap.copyPixelsFromBuffer(bb);
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Canvas c = holder.lockCanvas();
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c.drawBitmap(mSoftwareBitmap, 0, 0, null);
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holder.unlockCanvasAndPost(c);
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}
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}
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public void surfaceCreated(SurfaceHolder holder) {
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Log.i("GeckoAppJava", "surface created");
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GeckoEvent e = new GeckoEvent(GeckoEvent.SURFACE_CREATED);
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GeckoAppShell.sendEventToGecko(e);
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if (mShowingSplashScreen)
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drawSplashScreen();
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}
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public void surfaceDestroyed(SurfaceHolder holder) {
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Log.i("GeckoAppJava", "surface destroyed");
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mSurfaceValid = false;
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mSoftwareBuffer = null;
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GeckoEvent e = new GeckoEvent(GeckoEvent.SURFACE_DESTROYED);
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GeckoAppShell.sendEventToGecko(e);
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}
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public ByteBuffer getSoftwareDrawBuffer() {
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mDrawMode = DRAW_2D;
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return mSoftwareBuffer;
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}
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/*
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* Called on Gecko thread
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*/
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public static final int DRAW_ERROR = 0;
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public static final int DRAW_GLES_2 = 1;
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public static final int DRAW_2D = 2;
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public int beginDrawing() {
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if (mInDrawing) {
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Log.e("GeckoAppJava", "Recursive beginDrawing call!");
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return DRAW_ERROR;
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}
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/* Grab the lock, which we'll hold while we're drawing.
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* It gets released in endDrawing(), and is also used in surfaceChanged
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* to make sure that we don't change our surface details while
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* we're in the middle of drawing (and especially in the middle of
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* executing beginDrawing/endDrawing).
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*
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* We might not need to hold this lock in between
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* beginDrawing/endDrawing, and might just be able to make
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* surfaceChanged, beginDrawing, and endDrawing synchronized,
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* but this way is safer for now.
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*/
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mSurfaceLock.lock();
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if (!mSurfaceValid) {
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Log.e("GeckoAppJava", "Surface not valid");
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mSurfaceLock.unlock();
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return DRAW_ERROR;
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}
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mInDrawing = true;
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mDrawMode = DRAW_GLES_2;
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return DRAW_GLES_2;
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}
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public void endDrawing() {
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if (!mInDrawing) {
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Log.e("GeckoAppJava", "endDrawing without beginDrawing!");
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return;
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}
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try {
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if (!mSurfaceValid) {
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Log.e("GeckoAppJava", "endDrawing with false mSurfaceValid");
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return;
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}
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} finally {
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mInDrawing = false;
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if (!mSurfaceLock.isHeldByCurrentThread())
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Log.e("GeckoAppJava", "endDrawing while mSurfaceLock not held by current thread!");
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mSurfaceLock.unlock();
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}
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}
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/* How this works:
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* Whenever we want to draw, we want to be sure that we do not lock
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* the canvas unless we're sure we can draw. Locking the canvas clears
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* the canvas to black in most cases, causing a black flash.
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* At the same time, the surface can resize/disappear at any moment
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* unless the canvas is locked.
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* Draws originate from a different thread so the surface could change
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* at any moment while we try to draw until we lock the canvas.
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*
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* Also, never try to lock the canvas while holding the surface lock
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* unless you're in SurfaceChanged, in which case the canvas was already
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* locked. Surface lock -> Canvas lock will lead to AB-BA deadlocks.
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*/
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public void draw2D(ByteBuffer buffer, int stride) {
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// mSurfaceLock ensures that we get mSyncDraw/mSoftwareBuffer/etc.
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// set correctly before determining whether we should do a sync draw
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mSurfaceLock.lock();
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try {
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if (mSyncDraw) {
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if (buffer != mSoftwareBuffer || stride != (mWidth * 2))
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return;
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mSyncDraw = false;
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try {
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mSyncBuf.put(buffer);
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} catch (InterruptedException ie) {
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Log.e("GeckoAppJava", "Threw exception while getting sync buf: ", ie);
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}
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return;
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}
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} finally {
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mSurfaceLock.unlock();
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}
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if (buffer != mSoftwareBuffer || stride != (mWidth * 2))
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return;
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Canvas c = getHolder().lockCanvas();
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if (c == null)
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return;
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if (buffer != mSoftwareBuffer || stride != (mWidth * 2)) {
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/* We're screwed. Fill it with white and hope it isn't too noticable
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* This could potentially happen if this function is called
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* right before mSurfaceLock is locked in SurfaceChanged.
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* However, I've never actually seen this code get hit.
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*/
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c.drawARGB(255, 255, 255, 255);
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getHolder().unlockCanvasAndPost(c);
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return;
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}
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if (mSoftwareBitmap == null ||
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mSoftwareBitmap.getHeight() != mHeight ||
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mSoftwareBitmap.getWidth() != mWidth) {
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mSoftwareBitmap = Bitmap.createBitmap(mWidth, mHeight, Bitmap.Config.RGB_565);
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}
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mSoftwareBitmap.copyPixelsFromBuffer(mSoftwareBuffer);
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c.drawBitmap(mSoftwareBitmap, 0, 0, null);
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getHolder().unlockCanvasAndPost(c);
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}
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@Override
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public boolean onCheckIsTextEditor () {
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return false;
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}
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@Override
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public InputConnection onCreateInputConnection(EditorInfo outAttrs) {
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outAttrs.inputType = InputType.TYPE_CLASS_TEXT;
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outAttrs.imeOptions = EditorInfo.IME_ACTION_NONE;
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outAttrs.actionLabel = null;
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mKeyListener = TextKeyListener.getInstance();
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if (mIMEState == IME_STATE_PASSWORD)
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outAttrs.inputType |= InputType.TYPE_TEXT_VARIATION_PASSWORD;
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else if (mIMETypeHint.equalsIgnoreCase("url"))
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outAttrs.inputType |= InputType.TYPE_TEXT_VARIATION_URI;
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else if (mIMETypeHint.equalsIgnoreCase("email"))
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outAttrs.inputType |= InputType.TYPE_TEXT_VARIATION_EMAIL_ADDRESS;
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else if (mIMETypeHint.equalsIgnoreCase("search"))
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outAttrs.imeOptions = EditorInfo.IME_ACTION_SEARCH;
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else if (mIMETypeHint.equalsIgnoreCase("tel"))
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outAttrs.inputType = InputType.TYPE_CLASS_PHONE;
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else if (mIMETypeHint.equalsIgnoreCase("number") ||
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mIMETypeHint.equalsIgnoreCase("range"))
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outAttrs.inputType = InputType.TYPE_CLASS_NUMBER;
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else if (mIMETypeHint.equalsIgnoreCase("datetime") ||
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mIMETypeHint.equalsIgnoreCase("datetime-local"))
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outAttrs.inputType = InputType.TYPE_CLASS_DATETIME |
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InputType.TYPE_DATETIME_VARIATION_NORMAL;
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else if (mIMETypeHint.equalsIgnoreCase("date"))
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outAttrs.inputType = InputType.TYPE_CLASS_DATETIME |
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InputType.TYPE_DATETIME_VARIATION_DATE;
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else if (mIMETypeHint.equalsIgnoreCase("time"))
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outAttrs.inputType = InputType.TYPE_CLASS_DATETIME |
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InputType.TYPE_DATETIME_VARIATION_TIME;
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if (mIMEActionHint.equalsIgnoreCase("go"))
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outAttrs.imeOptions = EditorInfo.IME_ACTION_GO;
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else if (mIMEActionHint.equalsIgnoreCase("done"))
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outAttrs.imeOptions = EditorInfo.IME_ACTION_DONE;
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else if (mIMEActionHint.equalsIgnoreCase("next"))
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outAttrs.imeOptions = EditorInfo.IME_ACTION_NEXT;
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else if (mIMEActionHint.equalsIgnoreCase("search"))
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outAttrs.imeOptions = EditorInfo.IME_ACTION_SEARCH;
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else if (mIMEActionHint.equalsIgnoreCase("send"))
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outAttrs.imeOptions = EditorInfo.IME_ACTION_SEND;
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else if (mIMEActionHint != null && mIMEActionHint.length() != 0)
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outAttrs.actionLabel = mIMEActionHint;
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inputConnection.reset();
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return inputConnection;
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}
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public void setEditable(String contents)
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{
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mEditable.removeSpan(inputConnection);
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mEditable.replace(0, mEditable.length(), contents);
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mEditable.setSpan(inputConnection, 0, contents.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
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Selection.setSelection(mEditable, contents.length());
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}
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public void initEditable(String contents)
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{
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mEditable = mEditableFactory.newEditable(contents);
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mEditable.setSpan(inputConnection, 0, contents.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
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Selection.setSelection(mEditable, contents.length());
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}
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// accelerometer
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public void onAccuracyChanged(Sensor sensor, int accuracy)
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{
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}
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public void onSensorChanged(SensorEvent event)
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{
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GeckoAppShell.sendEventToGecko(new GeckoEvent(event));
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}
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// geolocation
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public void onLocationChanged(Location location)
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{
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GeckoAppShell.sendEventToGecko(new GeckoEvent(location));
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}
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public void onProviderDisabled(String provider)
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{
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}
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public void onProviderEnabled(String provider)
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{
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}
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public void onStatusChanged(String provider, int status, Bundle extras)
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{
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}
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// event stuff
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public boolean onTouchEvent(MotionEvent event) {
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GeckoAppShell.sendEventToGecko(new GeckoEvent(event));
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return true;
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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 (event.isSystem())
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return super.onKeyPreIme(keyCode, event);
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switch (event.getAction()) {
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case KeyEvent.ACTION_DOWN:
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return onKeyDown(keyCode, event);
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case KeyEvent.ACTION_UP:
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return onKeyUp(keyCode, event);
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case KeyEvent.ACTION_MULTIPLE:
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return onKeyMultiple(keyCode, event.getRepeatCount(), event);
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}
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return super.onKeyPreIme(keyCode, event);
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}
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@Override
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public boolean onKeyDown(int keyCode, KeyEvent event) {
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switch (keyCode) {
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case KeyEvent.KEYCODE_BACK:
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if (event.getRepeatCount() == 0) {
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event.startTracking();
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return true;
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} else {
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return false;
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}
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case KeyEvent.KEYCODE_MENU:
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if (event.getRepeatCount() == 0) {
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event.startTracking();
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break;
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} else if ((event.getFlags() & KeyEvent.FLAG_LONG_PRESS) != 0) {
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break;
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}
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// Ignore repeats for KEYCODE_MENU; they confuse the widget code.
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return false;
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case KeyEvent.KEYCODE_VOLUME_UP:
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case KeyEvent.KEYCODE_VOLUME_DOWN:
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case KeyEvent.KEYCODE_SEARCH:
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return false;
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case KeyEvent.KEYCODE_DEL:
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// See comments in GeckoInputConnection.onKeyDel
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if (inputConnection != null &&
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inputConnection.onKeyDel()) {
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return true;
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}
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break;
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case KeyEvent.KEYCODE_ENTER:
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if ((event.getFlags() & KeyEvent.FLAG_EDITOR_ACTION) != 0 &&
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mIMEActionHint.equalsIgnoreCase("next"))
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event = new KeyEvent(event.getAction(), KeyEvent.KEYCODE_TAB);
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break;
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default:
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break;
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}
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// KeyListener returns true if it handled the event for us.
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if (mIMEState == IME_STATE_DISABLED ||
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keyCode == KeyEvent.KEYCODE_ENTER ||
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!mKeyListener.onKeyDown(this, mEditable, keyCode, event))
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GeckoAppShell.sendEventToGecko(new GeckoEvent(event));
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return true;
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}
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@Override
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public boolean onKeyUp(int keyCode, KeyEvent event) {
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switch (keyCode) {
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case KeyEvent.KEYCODE_BACK:
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|
if (!event.isTracking() || event.isCanceled())
|
|
return false;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
if (mIMEState == IME_STATE_DISABLED ||
|
|
keyCode == KeyEvent.KEYCODE_ENTER ||
|
|
!mKeyListener.onKeyUp(this, mEditable, keyCode, event))
|
|
GeckoAppShell.sendEventToGecko(new GeckoEvent(event));
|
|
return true;
|
|
}
|
|
|
|
@Override
|
|
public boolean onKeyMultiple(int keyCode, int repeatCount, KeyEvent event) {
|
|
GeckoAppShell.sendEventToGecko(new GeckoEvent(event));
|
|
return true;
|
|
}
|
|
|
|
@Override
|
|
public boolean onKeyLongPress(int keyCode, KeyEvent event) {
|
|
switch (keyCode) {
|
|
case KeyEvent.KEYCODE_BACK:
|
|
GeckoAppShell.sendEventToGecko(new GeckoEvent(event));
|
|
return true;
|
|
case KeyEvent.KEYCODE_MENU:
|
|
InputMethodManager imm = (InputMethodManager)
|
|
getContext().getSystemService(Context.INPUT_METHOD_SERVICE);
|
|
imm.toggleSoftInputFromWindow(getWindowToken(),
|
|
imm.SHOW_FORCED, 0);
|
|
return true;
|
|
default:
|
|
break;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
// Is this surface valid for drawing into?
|
|
boolean mSurfaceValid;
|
|
|
|
// Are we actively between beginDrawing/endDrawing?
|
|
boolean mInDrawing;
|
|
|
|
// Are we waiting for a buffer to draw in surfaceChanged?
|
|
boolean mSyncDraw;
|
|
|
|
// True if gecko requests a buffer
|
|
int mDrawMode;
|
|
|
|
static boolean mShowingSplashScreen = true;
|
|
static String mSplashStatusMsg = "";
|
|
|
|
// let's not change stuff around while we're in the middle of
|
|
// starting drawing, ending drawing, or changing surface
|
|
// characteristics
|
|
ReentrantLock mSurfaceLock;
|
|
|
|
// Surface format, from surfaceChanged. Largely
|
|
// useless.
|
|
int mFormat;
|
|
|
|
// the dimensions of the surface
|
|
int mWidth;
|
|
int mHeight;
|
|
|
|
// the dimensions of the buffer we're using for drawing,
|
|
// that is the software buffer or the EGLSurface
|
|
int mBufferWidth;
|
|
int mBufferHeight;
|
|
|
|
// IME stuff
|
|
public static final int IME_STATE_DISABLED = 0;
|
|
public static final int IME_STATE_ENABLED = 1;
|
|
public static final int IME_STATE_PASSWORD = 2;
|
|
|
|
GeckoInputConnection inputConnection;
|
|
KeyListener mKeyListener;
|
|
Editable mEditable;
|
|
Editable.Factory mEditableFactory;
|
|
boolean mIMEFocus;
|
|
int mIMEState;
|
|
String mIMETypeHint;
|
|
String mIMEActionHint;
|
|
|
|
// Software rendering
|
|
ByteBuffer mSoftwareBuffer;
|
|
Bitmap mSoftwareBitmap;
|
|
|
|
final SynchronousQueue<ByteBuffer> mSyncBuf = new SynchronousQueue<ByteBuffer>();
|
|
}
|
|
|