gecko-dev/widget/android/AndroidLayerViewWrapper.cpp

76 lines
2.5 KiB
C++

/* -*- Mode: Java; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*-
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "AndroidLayerViewWrapper.h"
#include "AndroidBridge.h"
#include "nsDebug.h"
using namespace mozilla;
#define ASSERT_THREAD() \
NS_ASSERTION(pthread_self() == mThread, "Something is calling AndroidGLController from the wrong thread!")
static jfieldID jEGLSurfacePointerField = 0;
void AndroidEGLObject::Init(JNIEnv* aJEnv) {
jclass jClass;
jClass = reinterpret_cast<jclass>
(aJEnv->NewGlobalRef(aJEnv->FindClass("com/google/android/gles_jni/EGLSurfaceImpl")));
jEGLSurfacePointerField = aJEnv->GetFieldID(jClass, "mEGLSurface", "I");
}
jmethodID AndroidGLController::jWaitForValidSurfaceMethod = 0;
jmethodID AndroidGLController::jProvideEGLSurfaceMethod = 0;
jmethodID AndroidGLController::jResumeCompositorIfValidMethod = 0;
void
AndroidGLController::Init(JNIEnv* aJEnv)
{
jclass jClass = reinterpret_cast<jclass>(aJEnv->NewGlobalRef(aJEnv->FindClass("org/mozilla/gecko/gfx/GLController")));
jProvideEGLSurfaceMethod = aJEnv->GetMethodID(jClass, "provideEGLSurface",
"()Ljavax/microedition/khronos/egl/EGLSurface;");
jResumeCompositorIfValidMethod = aJEnv->GetMethodID(jClass, "resumeCompositorIfValid", "()V");
jWaitForValidSurfaceMethod = aJEnv->GetMethodID(jClass, "waitForValidSurface", "()V");
}
void
AndroidGLController::Acquire(JNIEnv* aJEnv, jobject aJObj)
{
mJEnv = aJEnv;
mThread = pthread_self();
mJObj = aJEnv->NewGlobalRef(aJObj);
}
void
AndroidGLController::Reacquire(JNIEnv *aJEnv, jobject aJObj)
{
aJEnv->DeleteGlobalRef(mJObj);
mJObj = aJEnv->NewGlobalRef(aJObj);
AutoLocalJNIFrame jniFrame(aJEnv, 0);
aJEnv->CallVoidMethod(mJObj, jResumeCompositorIfValidMethod);
}
EGLSurface
AndroidGLController::ProvideEGLSurface()
{
ASSERT_THREAD();
AutoLocalJNIFrame jniFrame(mJEnv);
jobject jObj = mJEnv->CallObjectMethod(mJObj, jProvideEGLSurfaceMethod);
if (jniFrame.CheckForException() || !jObj)
return NULL;
return reinterpret_cast<EGLSurface>(mJEnv->GetIntField(jObj, jEGLSurfacePointerField));
}
void
AndroidGLController::WaitForValidSurface()
{
ASSERT_THREAD();
AutoLocalJNIFrame jniFrame(mJEnv, 0);
mJEnv->CallVoidMethod(mJObj, jWaitForValidSurfaceMethod);
}