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gecko/embedding/android/GeckoSurfaceView.java

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/* -*- Mode: Java; tab-width: 20; indent-tabs-mode: nil; -*-
* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Mozilla Android code.
*
* The Initial Developer of the Original Code is Mozilla Foundation.
* Portions created by the Initial Developer are Copyright (C) 2010
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Vladimir Vukicevic <vladimir@pobox.com>
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
package org.mozilla.gecko;
import java.io.*;
import java.util.*;
import java.util.concurrent.*;
import java.util.concurrent.locks.*;
import java.util.concurrent.atomic.*;
import java.util.zip.*;
import java.nio.*;
import javax.microedition.khronos.egl.EGL10;
import javax.microedition.khronos.egl.EGL11;
import javax.microedition.khronos.egl.EGLConfig;
import javax.microedition.khronos.egl.EGLContext;
import javax.microedition.khronos.egl.EGLDisplay;
import javax.microedition.khronos.egl.EGLSurface;
import javax.microedition.khronos.opengles.GL;
import javax.microedition.khronos.opengles.GL10;
import android.os.*;
import android.app.*;
import android.text.*;
import android.view.*;
import android.view.inputmethod.*;
import android.content.*;
import android.graphics.*;
import android.widget.*;
import android.hardware.*;
import android.location.*;
import android.util.*;
/*
* GeckoSurfaceView implements a GL surface view,
* similar to GLSurfaceView. However, since we
* already have a thread for Gecko, we don't really want
* a separate renderer thread that GLSurfaceView provides.
*/
class GeckoSurfaceView
extends SurfaceView
implements SurfaceHolder.Callback, SensorEventListener, LocationListener
{
public GeckoSurfaceView(Context context) {
super(context);
getHolder().addCallback(this);
inputConnection = new GeckoInputConnection(this);
setFocusable(true);
setFocusableInTouchMode(true);
if (!GeckoApp.useSoftwareDrawing)
startEgl();
mWidth = 0;
mHeight = 0;
mBufferWidth = 0;
mBufferHeight = 0;
mSurfaceLock = new ReentrantLock();
}
protected void finalize() throws Throwable {
super.finalize();
if (!GeckoApp.useSoftwareDrawing)
finishEgl();
}
private static final int EGL_OPENGL_ES2_BIT = 4;
private static final int EGL_CONTEXT_CLIENT_VERSION = 0x3098;
private void printConfig(EGL10 egl, EGLDisplay display,
EGLConfig config) {
int[] attributes = {
EGL10.EGL_BUFFER_SIZE,
EGL10.EGL_ALPHA_SIZE,
EGL10.EGL_BLUE_SIZE,
EGL10.EGL_GREEN_SIZE,
EGL10.EGL_RED_SIZE,
EGL10.EGL_DEPTH_SIZE,
EGL10.EGL_STENCIL_SIZE,
EGL10.EGL_CONFIG_CAVEAT,
EGL10.EGL_CONFIG_ID,
EGL10.EGL_LEVEL,
EGL10.EGL_MAX_PBUFFER_HEIGHT,
EGL10.EGL_MAX_PBUFFER_PIXELS,
EGL10.EGL_MAX_PBUFFER_WIDTH,
EGL10.EGL_NATIVE_RENDERABLE,
EGL10.EGL_NATIVE_VISUAL_ID,
EGL10.EGL_NATIVE_VISUAL_TYPE,
0x3030, // EGL10.EGL_PRESERVED_RESOURCES,
EGL10.EGL_SAMPLES,
EGL10.EGL_SAMPLE_BUFFERS,
EGL10.EGL_SURFACE_TYPE,
EGL10.EGL_TRANSPARENT_TYPE,
EGL10.EGL_TRANSPARENT_RED_VALUE,
EGL10.EGL_TRANSPARENT_GREEN_VALUE,
EGL10.EGL_TRANSPARENT_BLUE_VALUE,
0x3039, // EGL10.EGL_BIND_TO_TEXTURE_RGB,
0x303A, // EGL10.EGL_BIND_TO_TEXTURE_RGBA,
0x303B, // EGL10.EGL_MIN_SWAP_INTERVAL,
0x303C, // EGL10.EGL_MAX_SWAP_INTERVAL,
EGL10.EGL_LUMINANCE_SIZE,
EGL10.EGL_ALPHA_MASK_SIZE,
EGL10.EGL_COLOR_BUFFER_TYPE,
EGL10.EGL_RENDERABLE_TYPE,
0x3042 // EGL10.EGL_CONFORMANT
};
String[] names = {
"EGL_BUFFER_SIZE",
"EGL_ALPHA_SIZE",
"EGL_BLUE_SIZE",
"EGL_GREEN_SIZE",
"EGL_RED_SIZE",
"EGL_DEPTH_SIZE",
"EGL_STENCIL_SIZE",
"EGL_CONFIG_CAVEAT",
"EGL_CONFIG_ID",
"EGL_LEVEL",
"EGL_MAX_PBUFFER_HEIGHT",
"EGL_MAX_PBUFFER_PIXELS",
"EGL_MAX_PBUFFER_WIDTH",
"EGL_NATIVE_RENDERABLE",
"EGL_NATIVE_VISUAL_ID",
"EGL_NATIVE_VISUAL_TYPE",
"EGL_PRESERVED_RESOURCES",
"EGL_SAMPLES",
"EGL_SAMPLE_BUFFERS",
"EGL_SURFACE_TYPE",
"EGL_TRANSPARENT_TYPE",
"EGL_TRANSPARENT_RED_VALUE",
"EGL_TRANSPARENT_GREEN_VALUE",
"EGL_TRANSPARENT_BLUE_VALUE",
"EGL_BIND_TO_TEXTURE_RGB",
"EGL_BIND_TO_TEXTURE_RGBA",
"EGL_MIN_SWAP_INTERVAL",
"EGL_MAX_SWAP_INTERVAL",
"EGL_LUMINANCE_SIZE",
"EGL_ALPHA_MASK_SIZE",
"EGL_COLOR_BUFFER_TYPE",
"EGL_RENDERABLE_TYPE",
"EGL_CONFORMANT"
};
int[] value = new int[1];
for (int i = 0; i < attributes.length; i++) {
int attribute = attributes[i];
String name = names[i];
if ( egl.eglGetConfigAttrib(display, config, attribute, value)) {
Log.w("GeckoAppJava", String.format(" %s: %d\n", name, value[0]));
} else {
Log.w("GeckoAppJava", String.format(" %s: failed\n", name));
// while (egl.eglGetError() != EGL10.EGL_SUCCESS);
}
}
}
public void startEgl() {
if (mEgl != null)
return;
mEgl = (EGL10) EGLContext.getEGL();
mEglDisplay = mEgl.eglGetDisplay(EGL10.EGL_DEFAULT_DISPLAY);
// initialize egl
int[] version = new int[2];
mEgl.eglInitialize(mEglDisplay, version);
// flip this to true to dump all the EGL configs
if (false) {
int[] cs = { EGL10.EGL_NONE };
int[] ptrnum = new int[1];
mEgl.eglChooseConfig(mEglDisplay, cs, null, 0, ptrnum);
int num = ptrnum[0];
EGLConfig[] confs = new EGLConfig[num];
mEgl.eglChooseConfig(mEglDisplay, cs, confs, num, ptrnum);
for (int i = 0; i < num; ++i) {
Log.w("GeckoAppJava", "=== EGL config " + i + " ===");
printConfig(mEgl, mEglDisplay, confs[i]);
}
}
}
public void finishEgl() {
if (mEglDisplay != null) {
mEgl.eglMakeCurrent(mEglDisplay, EGL10.EGL_NO_SURFACE,
EGL10.EGL_NO_SURFACE, EGL10.EGL_NO_CONTEXT);
}
if (mEglContext != null) {
mEgl.eglDestroyContext(mEglDisplay, mEglContext);
mEglContext = null;
}
if (mEglSurface != null) {
mEgl.eglDestroySurface(mEglDisplay, mEglSurface);
mEglSurface = null;
}
if (mEglDisplay != null) {
mEgl.eglTerminate(mEglDisplay);
mEglDisplay = null;
}
mEglConfig = null;
mEgl = null;
mSurfaceChanged = false;
}
public void chooseEglConfig() {
int redBits, greenBits, blueBits, alphaBits;
// There are some shenanigans here.
// We're required to choose an exact EGL config to match
// the surface format, or we get an error. However,
// on Droid at least, the format is -1, which is PixelFormat.OPAQUE.
// That's not a valid format to be reported; that should just be a
// valid value for *setFormat*. We have a catch-all case that
// assumes 565 for those cases, but it's pretty ugly.
Log.i("GeckoAppJava", "GeckoView PixelFormat format is " + mFormat);
if (mFormat == PixelFormat.RGB_565) {
redBits = 5;
greenBits = 6;
blueBits = 5;
alphaBits = 0;
} else if (mFormat == PixelFormat.RGB_888 ||
mFormat == PixelFormat.RGBX_8888)
{
redBits = 8;
greenBits = 8;
blueBits = 8;
alphaBits = 0;
} else if (mFormat == PixelFormat.RGBA_8888) {
redBits = 8;
greenBits = 8;
blueBits = 8;
alphaBits = 8;
} else {
Log.w("GeckoAppJava", "Unknown PixelFormat for surface (format is " + mFormat + "), assuming 5650!");
redBits = 5;
greenBits = 6;
blueBits = 5;
alphaBits = 0;
}
// PowerVR SGX (Droid) seems to really want depth == 24 for
// performance, even 0 is slower. However, other platforms,
// like Tegra, don't -have- a 24 bit depth config (have 16).
// So that's not good. We'll try with 24 first, and if
// nothing, then we'll go to 0. I'm not sure what the nexus
// one chip wants.
int[] confSpec = new int[] {
// DEPTH_SIZE must be the first pair
EGL10.EGL_DEPTH_SIZE, 24,
EGL10.EGL_RED_SIZE, redBits,
EGL10.EGL_GREEN_SIZE, greenBits,
EGL10.EGL_BLUE_SIZE, blueBits,
EGL10.EGL_ALPHA_SIZE, alphaBits,
EGL10.EGL_STENCIL_SIZE, 0,
EGL10.EGL_CONFIG_CAVEAT, EGL10.EGL_NONE,
EGL10.EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT,
EGL10.EGL_NONE };
// so tortured to pass an int as an out param...
int[] ptrNumConfigs = new int[1];
mEgl.eglChooseConfig(mEglDisplay, confSpec, null, 0, ptrNumConfigs);
int numConfigs = ptrNumConfigs[0];
if (numConfigs == 0) {
// twiddle the DEPTH_SIZE value
confSpec[1] = 0;
Log.i("GeckoAppJava", "Couldn't find any valid EGL configs with 24 bit depth, trying 0.");
mEgl.eglChooseConfig(mEglDisplay, confSpec, null, 0, ptrNumConfigs);
numConfigs = ptrNumConfigs[0];
}
if (numConfigs <= 0) {
// couldn't find a config?
Log.w("GeckoAppJava", "Couldn't find any valid EGL configs, blindly trying them all!");
int[] fallbackConfSpec = new int[] {
EGL10.EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT,
EGL10.EGL_NONE };
confSpec = fallbackConfSpec;
mEgl.eglChooseConfig(mEglDisplay, confSpec, null, 0, ptrNumConfigs);
numConfigs = ptrNumConfigs[0];
if (numConfigs == 0) {
Log.e("GeckoAppJava", "There aren't any EGL configs available on this system.");
finishEgl();
mSurfaceValid = false;
return;
}
}
EGLConfig[] configs = new EGLConfig[numConfigs];
mEgl.eglChooseConfig(mEglDisplay, confSpec, configs, numConfigs, ptrNumConfigs);
// Find the first config that has the exact RGB sizes that we
// need for our window surface.
int[] ptrVal = new int[1];
for (int i = 0; i < configs.length; ++i) {
int confRed = -1, confGreen = -1, confBlue = -1, confAlpha = -1;
if (mEgl.eglGetConfigAttrib(mEglDisplay, configs[i], EGL10.EGL_RED_SIZE, ptrVal))
confRed = ptrVal[0];
if (mEgl.eglGetConfigAttrib(mEglDisplay, configs[i], EGL10.EGL_GREEN_SIZE, ptrVal))
confGreen = ptrVal[0];
if (mEgl.eglGetConfigAttrib(mEglDisplay, configs[i], EGL10.EGL_BLUE_SIZE, ptrVal))
confBlue = ptrVal[0];
if (mEgl.eglGetConfigAttrib(mEglDisplay, configs[i], EGL10.EGL_ALPHA_SIZE, ptrVal))
confAlpha = ptrVal[0];
if (confRed == redBits &&
confGreen == greenBits &&
confBlue == blueBits &&
confAlpha == alphaBits)
{
mEglConfig = configs[i];
break;
}
}
if (mEglConfig == null) {
Log.w("GeckoAppJava", "Couldn't find EGL config matching colors; using first, hope it works!");
mEglConfig = configs[0];
}
Log.i("GeckoAppJava", "====== Chosen config: ======");
printConfig(mEgl, mEglDisplay, mEglConfig);
mEglContext = null;
mEglSurface = null;
}
/*
* Called on main thread
*/
public void surfaceChanged(SurfaceHolder holder, int format, int width, int height) {
mSurfaceLock.lock();
try {
if (mInDrawing) {
Log.w("GeckoAppJava", "surfaceChanged while mInDrawing is true!");
}
mFormat = format;
mWidth = width;
mHeight = height;
mSurfaceValid = true;
Log.i("GeckoAppJava", "surfaceChanged: fmt: " + format + " dim: " + width + " " + height);
if (!GeckoApp.useSoftwareDrawing) {
chooseEglConfig();
}
// XXX This code doesn't seem to actually get hit
if (!GeckoAppShell.sGeckoRunning) {
GeckoAppShell.setInitialSize(width, height);
return;
}
GeckoEvent e = new GeckoEvent(GeckoEvent.SIZE_CHANGED, width, height, -1, -1);
GeckoAppShell.sendEventToGecko(e);
if (mSurfaceNeedsRedraw) {
GeckoAppShell.scheduleRedraw();
mSurfaceNeedsRedraw = false;
}
mSurfaceChanged = true;
//Log.i("GeckoAppJava", "<< surfaceChanged");
} finally {
mSurfaceLock.unlock();
}
}
public void surfaceCreated(SurfaceHolder holder) {
if (GeckoAppShell.sGeckoRunning)
mSurfaceNeedsRedraw = true;
}
public void surfaceDestroyed(SurfaceHolder holder) {
Log.i("GeckoAppJava", "surface destroyed");
mSurfaceValid = false;
}
public ByteBuffer getSoftwareDrawBuffer() {
//#ifdef DEBUG
if (!mSurfaceLock.isHeldByCurrentThread())
Log.e("GeckoAppJava", "getSoftwareDrawBuffer called outside of mSurfaceLock!");
//#endif
return mSoftwareBuffer;
}
/*
* Called on Gecko thread
*/
public static final int DRAW_ERROR = 0;
public static final int DRAW_GLES_2 = 1;
public static final int DRAW_SOFTWARE = 2;
int innerBeginDrawing() {
/*
* Software (non-GL) rendering
*/
if (GeckoApp.useSoftwareDrawing) {
if (mWidth != mBufferWidth ||
mHeight != mBufferHeight ||
mSurfaceChanged)
{
if (mWidth*mHeight != mBufferWidth*mBufferHeight)
mSoftwareBuffer = ByteBuffer.allocateDirect(mWidth*mHeight*4);
mSoftwareBitmap = Bitmap.createBitmap(mWidth, mHeight, Bitmap.Config.ARGB_8888);
mBufferWidth = mWidth;
mBufferHeight = mHeight;
mSurfaceChanged = false;
}
mSoftwareCanvas = getHolder().lockCanvas(null);
if (mSoftwareCanvas == null) {
Log.e("GeckoAppJava", "lockCanvas failed! << beginDrawing");
return DRAW_ERROR;
}
return DRAW_SOFTWARE;
}
/*
* GL rendering
*/
if (mEgl == null || mEglDisplay == null || mEglConfig == null) {
Log.e("GeckoAppJava", "beginDrawing called, but EGL was never initialized!");
mSurfaceLock.unlock();
return DRAW_ERROR;
}
/*
* If the surface doesn't exist, or if its dimensions or something else changed,
* recreate it.
*/
if (mEglSurface == null ||
mWidth != mBufferWidth ||
mHeight != mBufferHeight ||
mSurfaceChanged)
{
if (mEglContext != null) {
mEgl.eglDestroyContext(mEglDisplay, mEglContext);
mEglContext = null;
}
if (mEglSurface != null)
mEgl.eglDestroySurface(mEglDisplay, mEglSurface);
mEglSurface = mEgl.eglCreateWindowSurface(mEglDisplay, mEglConfig, getHolder(), null);
if (mEglSurface == EGL10.EGL_NO_SURFACE)
{
Log.e("GeckoAppJava", "eglCreateWindowSurface failed!");
mSurfaceValid = false;
return DRAW_ERROR;
}
mBufferWidth = mWidth;
mBufferHeight = mHeight;
mSurfaceChanged = false;
}
if (mEglContext == null) {
int[] attrib_list = { EGL_CONTEXT_CLIENT_VERSION, 2,
EGL10.EGL_NONE };
mEglContext = mEgl.eglCreateContext(mEglDisplay, mEglConfig, EGL10.EGL_NO_CONTEXT, attrib_list);
if (mEglContext == EGL10.EGL_NO_CONTEXT)
{
Log.e("GeckoAppJava", "eglCreateContext failed! " + mEgl.eglGetError());
mSurfaceValid = false;
return DRAW_ERROR;
}
Log.i("GeckoAppJava", "EglContext created");
}
// Hmm, should we issue this makecurrent for each frame?
// We'll likely have to, as other bits might switch the context (e.g.
// WebGL, video, etc.).
if (!mEgl.eglMakeCurrent(mEglDisplay, mEglSurface, mEglSurface, mEglContext)) {
int err = mEgl.eglGetError();
Log.e("GeckoAppJava", "eglMakeCurrent failed! " + err);
return DRAW_ERROR;
}
return DRAW_GLES_2;
}
public int beginDrawing() {
//Log.i("GeckoAppJava", ">> beginDrawing");
if (mInDrawing) {
Log.e("GeckoAppJava", "Recursive beginDrawing call!");
return DRAW_ERROR;
}
/* Grab the lock, which we'll hold while we're drawing.
* It gets released in endDrawing(), and is also used in surfaceChanged
* to make sure that we don't change our surface details while
* we're in the middle of drawing (and especially in the middle of
* executing beginDrawing/endDrawing).
*
* We might not need to hold this lock in between
* beginDrawing/endDrawing, and might just be able to make
* surfaceChanged, beginDrawing, and endDrawing synchronized,
* but this way is safer for now.
*/
mSurfaceLock.lock();
if (!mSurfaceValid) {
Log.e("GeckoAppJava", "Surface not valid");
mSurfaceLock.unlock();
return DRAW_ERROR;
}
// call the inner function to do the work, so we can sanely unlock on error
int result = innerBeginDrawing();
if (result == DRAW_ERROR) {
mSurfaceLock.unlock();
return DRAW_ERROR;
}
mInDrawing = true;
return result;
}
public void endDrawing() {
//Log.w("GeckoAppJava", ">> endDrawing");
if (!mInDrawing) {
Log.e("GeckoAppJava", "endDrawing without beginDrawing!");
return;
}
try {
if (!mSurfaceValid) {
Log.e("GeckoAppJava", "endDrawing with false mSurfaceValid");
return;
}
if (GeckoApp.useSoftwareDrawing) {
if (!mSurfaceChanged) {
mSoftwareBitmap.copyPixelsFromBuffer(mSoftwareBuffer);
mSoftwareCanvas.drawBitmap(mSoftwareBitmap, 0, 0, null);
getHolder().unlockCanvasAndPost(mSoftwareCanvas);
mSoftwareCanvas = null;
}
} else {
// If the surface was changed while we were drawing;
// don't even bother trying to swap, it won't work,
// and may cause further problems. Note that
// eglSwapBuffers might also throw an
// IllegalArgumentException; we catch that as well.
if (!mSurfaceChanged) {
mEgl.eglSwapBuffers(mEglDisplay, mEglSurface);
if (mEgl.eglGetError() == EGL11.EGL_CONTEXT_LOST)
mSurfaceChanged = true;
}
}
} catch (java.lang.IllegalArgumentException ex) {
mSurfaceChanged = true;
} finally {
mInDrawing = false;
//#ifdef DEBUG
if (!mSurfaceLock.isHeldByCurrentThread())
Log.e("GeckoAppJava", "endDrawing while mSurfaceLock not held by current thread!");
//#endif
mSurfaceLock.unlock();
}
}
@Override
public boolean onCheckIsTextEditor () {
return false;
}
@Override
public InputConnection onCreateInputConnection(EditorInfo outAttrs) {
outAttrs.inputType = InputType.TYPE_CLASS_TEXT |
InputType.TYPE_TEXT_FLAG_NO_SUGGESTIONS;
return inputConnection;
}
// accelerometer
public void onAccuracyChanged(Sensor sensor, int accuracy)
{
}
public void onSensorChanged(SensorEvent event)
{
GeckoAppShell.sendEventToGecko(new GeckoEvent(event));
}
// geolocation
public void onLocationChanged(Location location)
{
GeckoAppShell.sendEventToGecko(new GeckoEvent(location));
}
public void onProviderDisabled(String provider)
{
}
public void onProviderEnabled(String provider)
{
}
public void onStatusChanged(String provider, int status, Bundle extras)
{
}
// event stuff
public boolean onTouchEvent(MotionEvent event) {
GeckoAppShell.sendEventToGecko(new GeckoEvent(event));
return true;
}
// Is this surface valid for drawing into?
boolean mSurfaceValid;
// Do we need to force a redraw on surfaceChanged?
boolean mSurfaceNeedsRedraw;
// Has this surface been changed? (That is,
// do we need to recreate buffers?)
boolean mSurfaceChanged;
// Are we actively between beginDrawing/endDrawing?
boolean mInDrawing;
// 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
GeckoInputConnection inputConnection;
int mIMEState;
// Software rendering
ByteBuffer mSoftwareBuffer;
Bitmap mSoftwareBitmap;
Canvas mSoftwareCanvas;
// GL rendering
EGL10 mEgl;
EGLDisplay mEglDisplay;
EGLSurface mEglSurface;
EGLConfig mEglConfig;
EGLContext mEglContext;
}
class GeckoInputConnection
extends BaseInputConnection
{
public GeckoInputConnection (View targetView) {
super(targetView, true);
mQueryResult = new SynchronousQueue<String>();
mExtractedText.partialStartOffset = -1;
mExtractedText.partialEndOffset = -1;
}
@Override
public Editable getEditable() {
Log.i("GeckoAppJava", "getEditable");
return null;
}
@Override
public boolean beginBatchEdit() {
if (mComposing)
return true;
GeckoAppShell.sendEventToGecko(new GeckoEvent(true, null));
mComposing = true;
return true;
}
@Override
public boolean commitCompletion(CompletionInfo text) {
Log.i("GeckoAppJava", "Stub: commitCompletion");
return true;
}
@Override
public boolean commitText(CharSequence text, int newCursorPosition) {
GeckoAppShell.sendEventToGecko(new GeckoEvent(true, text.toString()));
endBatchEdit();
return true;
}
@Override
public boolean deleteSurroundingText(int leftLength, int rightLength) {
GeckoAppShell.sendEventToGecko(new GeckoEvent(leftLength, rightLength));
updateExtractedText();
return true;
}
@Override
public boolean endBatchEdit() {
updateExtractedText();
if (!mComposing)
return true;
GeckoAppShell.sendEventToGecko(new GeckoEvent(false, null));
mComposing = false;
return true;
}
@Override
public boolean finishComposingText() {
endBatchEdit();
return true;
}
@Override
public int getCursorCapsMode(int reqModes) {
return 0;
}
@Override
public ExtractedText getExtractedText(ExtractedTextRequest req, int flags) {
mExtractToken = req.token;
GeckoAppShell.sendEventToGecko(new GeckoEvent(false, 0));
try {
mExtractedText.text = mQueryResult.take();
mExtractedText.selectionStart = mSelectionStart;
mExtractedText.selectionEnd = mSelectionEnd;
} catch (InterruptedException e) {
Log.i("GeckoAppJava", "getExtractedText: Interrupted!");
}
return mExtractedText;
}
@Override
public CharSequence getTextAfterCursor(int length, int flags) {
GeckoAppShell.sendEventToGecko(new GeckoEvent(true, length));
try {
String result = mQueryResult.take();
return result;
} catch (InterruptedException e) {
Log.i("GeckoAppJava", "getTextAfterCursor: Interrupted!");
}
return null;
}
@Override
public CharSequence getTextBeforeCursor(int length, int flags) {
GeckoAppShell.sendEventToGecko(new GeckoEvent(false, length));
try {
String result = mQueryResult.take();
return result;
} catch (InterruptedException e) {
Log.i("GeckoAppJava", "getTextBeforeCursor: Interrupted!");
}
return null;
}
@Override
public boolean setComposingText(CharSequence text, int newCursorPosition) {
beginBatchEdit();
GeckoAppShell.sendEventToGecko(new GeckoEvent(true, text.toString()));
return true;
}
@Override
public boolean setSelection(int start, int end) {
Log.i("GeckoAppJava", "Stub: setSelection " + start + " " + end);
return true;
}
private void updateExtractedText() {
GeckoAppShell.sendEventToGecko(new GeckoEvent(false, 0));
try {
mExtractedText.text = mQueryResult.take();
mExtractedText.selectionStart = mSelectionStart;
mExtractedText.selectionEnd = mSelectionEnd;
} catch (InterruptedException e) {
Log.i("GeckoAppJava", "getExtractedText: Interrupted!");
}
InputMethodManager imm = (InputMethodManager)
GeckoApp.surfaceView.getContext().getSystemService(Context.INPUT_METHOD_SERVICE);
imm.updateExtractedText(GeckoApp.surfaceView, mExtractToken, mExtractedText);
}
boolean mComposing;
int mExtractToken;
final ExtractedText mExtractedText = new ExtractedText();
int mSelectionStart, mSelectionEnd;
SynchronousQueue<String> mQueryResult;
}
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