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Android: proper shutdown mechanism

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This commit is contained in:
Paul Rouget 2018-10-26 09:38:10 +02:00
parent b19f9d9c5b
commit 549c8c565a
7 changed files with 145 additions and 17 deletions
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6
support/android/apk/servoview/src/main/java/org/mozilla/servoview/JNIServo.java
View file

@ -22,6 +22,10 @@ public class JNIServo {
public native void init(Activity activity, ServoOptions options, Callbacks callbacks);
public native void deinit();
public native void requestShutdown();
public native void setBatchMode(boolean mode);
public native void performUpdates();
@ -84,6 +88,8 @@ public class JNIServo {
void onHistoryChanged(boolean canGoBack, boolean canGoForward);
void onShutdownComplete();
byte[] readfile(String file);
}
}

14
support/android/apk/servoview/src/main/java/org/mozilla/servoview/Servo.java
View file

@ -47,6 +47,14 @@ public class Servo {
}
}
public void requestShutdown() {
mRunCallback.inGLThread(() -> mJNI.requestShutdown());
}
public void deinit() {
mRunCallback.inGLThread(() -> mJNI.deinit());
}
public String version() {
return mJNI.version();
}
@ -137,6 +145,8 @@ public class Servo {
void inGLThread(Runnable f);
void inUIThread(Runnable f);
void finalizeShutdown();
}
public interface GfxCallbacks {
@ -173,6 +183,10 @@ public class Servo {
mGfxCb.makeCurrent();
}
public void onShutdownComplete() {
mRunCallback.finalizeShutdown();
}
public void onAnimatingChanged(boolean animating) {
mRunCallback.inGLThread(() -> mGfxCb.animationStateChanged(animating));
}

70
support/android/apk/servoview/src/main/java/org/mozilla/servoview/ServoSurface.java
View file

@ -5,7 +5,6 @@
package org.mozilla.servoview;
import android.annotation.SuppressLint;
import android.app.Activity;
import android.net.Uri;
import android.opengl.EGL14;
@ -16,7 +15,6 @@ import android.opengl.EGLSurface;
import android.opengl.GLUtils;
import android.os.Handler;
import android.os.Looper;
import android.os.Message;
import android.util.Log;
import android.view.Surface;
@ -26,6 +24,8 @@ import org.mozilla.servoview.Servo.GfxCallbacks;
import org.mozilla.servoview.Servo.RunCallback;
import static android.opengl.EGL14.EGL_CONTEXT_CLIENT_VERSION;
import static android.opengl.EGL14.EGL_NO_CONTEXT;
import static android.opengl.EGL14.EGL_NO_SURFACE;
import static android.opengl.EGL14.EGL_OPENGL_ES2_BIT;
public class ServoSurface {
@ -68,6 +68,17 @@ public class ServoSurface {
mGLThread.start();
}
public void shutdown() {
Log.d(LOGTAG, "shutdown");
mServo.requestShutdown();
try {
Log.d(LOGTAG, "Waiting for GL thread to shutdown");
mGLThread.join();
} catch (InterruptedException e) {
e.printStackTrace();
}
}
public void reload() {
mServo.reload();
}
@ -121,12 +132,20 @@ public class ServoSurface {
private EGLDisplay mEglDisplay;
private EGLContext mEglContext;
private EGLSurface mEglSurface;
void throwGLError(String function) {
throwGLError(function, EGL14.eglGetError());
}
void throwGLError(String function, int error) {
throw new RuntimeException("Error: " + function + "() Failed " + GLUtils.getEGLErrorString(error));
}
GLSurface(Surface surface) {
mEglDisplay = EGL14.eglGetDisplay(EGL14.EGL_DEFAULT_DISPLAY);
int[] version = new int[2];
if (!EGL14.eglInitialize(mEglDisplay, version, 0, version, 1)) {
throw new RuntimeException("Error: eglInitialize() Failed " + GLUtils.getEGLErrorString(EGL14.eglGetError()));
throwGLError("eglInitialize");
}
mEGLConfigs = new EGLConfig[1];
int[] configsCount = new int[1];
@ -141,7 +160,7 @@ public class ServoSurface {
EGL14.EGL_NONE
};
if ((!EGL14.eglChooseConfig(mEglDisplay, configSpec, 0, mEGLConfigs, 0, 1, configsCount, 0)) || (configsCount[0] == 0)) {
throw new IllegalArgumentException("Error: eglChooseConfig() Failed " + GLUtils.getEGLErrorString(EGL14.eglGetError()));
throwGLError("eglChooseConfig");
}
if (mEGLConfigs[0] == null) {
throw new RuntimeException("Error: eglConfig() not Initialized");
@ -150,7 +169,7 @@ public class ServoSurface {
mEglContext = EGL14.eglCreateContext(mEglDisplay, mEGLConfigs[0], EGL14.EGL_NO_CONTEXT, attrib_list, 0);
int glError = EGL14.eglGetError();
if (glError != EGL14.EGL_SUCCESS) {
throw new RuntimeException("Error: eglCreateContext() Failed " + GLUtils.getEGLErrorString(glError));
throwGLError("eglCreateContext", glError);
}
mEglSurface = EGL14.eglCreateWindowSurface(mEglDisplay, mEGLConfigs[0], surface, new int[]{EGL14.EGL_NONE}, 0);
if (mEglSurface == null || mEglSurface == EGL14.EGL_NO_SURFACE) {
@ -159,7 +178,7 @@ public class ServoSurface {
Log.e(LOGTAG, "Error: createWindowSurface() Returned EGL_BAD_NATIVE_WINDOW.");
return;
}
throw new RuntimeException("Error: createWindowSurface() Failed " + GLUtils.getEGLErrorString(glError));
throwGLError("createWindowSurface", glError);
}
makeCurrent();
@ -168,7 +187,7 @@ public class ServoSurface {
public void makeCurrent() {
if (!EGL14.eglMakeCurrent(mEglDisplay, mEglSurface, mEglSurface, mEglContext)) {
throw new RuntimeException("Error: eglMakeCurrent() Failed " + GLUtils.getEGLErrorString(EGL14.eglGetError()));
throwGLError("eglMakeCurrent");
}
}
@ -180,9 +199,26 @@ public class ServoSurface {
// FIXME
}
void destroy() {
Log.d(LOGTAG, "Destroying surface");
if (!EGL14.eglMakeCurrent(mEglDisplay, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT)) {
throwGLError("eglMakeCurrent");
}
if (!EGL14.eglDestroyContext(mEglDisplay, mEglContext)) {
throwGLError("eglDestroyContext");
}
if (!EGL14.eglDestroySurface(mEglDisplay, mEglSurface)) {
throwGLError("eglDestroySurface");
}
if (!EGL14.eglTerminate(mEglDisplay)) {
throwGLError("eglTerminate");
}
}
}
class GLThread extends Thread implements RunCallback {
private GLSurface mSurface;
public void inGLThread(Runnable r) {
mGLLooperHandler.post(r);
@ -192,17 +228,19 @@ public class ServoSurface {
mMainLooperHandler.post(r);
}
// FIXME: HandlerLeak
@SuppressLint("HandlerLeak")
public void finalizeShutdown() {
Log.d(LOGTAG, "finalizeShutdown");
mServo.deinit();
mSurface.destroy();
mGLLooperHandler.getLooper().quitSafely();
}
public void run() {
Looper.prepare();
GLSurface surface = new GLSurface(mASurface);
mSurface = new GLSurface(mASurface);
mGLLooperHandler = new Handler() {
public void handleMessage(Message msg) {
}
};
mGLLooperHandler = new Handler();
inUIThread(() -> {
ServoOptions options = new ServoOptions();
@ -210,12 +248,12 @@ public class ServoSurface {
options.width = mWidth;
options.height = mHeight;
options.density = 1;
options.url = mInitialUri == null ? null : mInitialUri;
options.url = mInitialUri;
options.logStr = mServoLog;
options.enableLogs = true;
options.enableSubpixelTextAntialiasing = false;
mServo = new Servo(options, this, surface, mClient, mActivity);
mServo = new Servo(options, this, mSurface, mClient, mActivity);
});
Looper.loop();

10
support/android/apk/servoview/src/main/java/org/mozilla/servoview/ServoView.java
View file

@ -70,6 +70,11 @@ public class ServoView extends GLSurfaceView
init(context);
}
protected void onDetachedFromWindow() {
mServo.requestShutdown();
super.onDetachedFromWindow();
}
private void init(Context context) {
mActivity = (Activity) context;
setFocusable(true);
@ -136,6 +141,11 @@ public class ServoView extends GLSurfaceView
public void makeCurrent() {
}
public void finalizeShutdown() {
// shutdown has been requested and completed.
mServo.deinit();
}
public void inGLThread(Runnable f) {
queueEvent(f);
}