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adding support for plugins to use the java view system.

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Change-Id: I7305300dfc09e3e0968a1e61c21a6a2cdb983594
This commit is contained in:
Derek Sollenberger
2009-09-01 16:27:31 -04:00
parent b57c64fa71
commit 16ce3cdcac
5 changed files with 351 additions and 0 deletions
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5
samples/BrowserPlugin/jni/Android.mk
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@@ -35,8 +35,10 @@ LOCAL_SRC_FILES := \
background/BackgroundPlugin.cpp \ background/BackgroundPlugin.cpp \
form/FormPlugin.cpp \ form/FormPlugin.cpp \
paint/PaintPlugin.cpp \ paint/PaintPlugin.cpp \
hello-jni.cpp \
LOCAL_C_INCLUDES += \ LOCAL_C_INCLUDES += \
$(JNI_H_INCLUDE) \
$(LOCAL_PATH) \ $(LOCAL_PATH) \
$(LOCAL_PATH)/animation \ $(LOCAL_PATH)/animation \
$(LOCAL_PATH)/audio \ $(LOCAL_PATH)/audio \
@@ -48,6 +50,9 @@ LOCAL_C_INCLUDES += \
external/webkit/WebCore/platform/android/JavaVM \ external/webkit/WebCore/platform/android/JavaVM \
external/webkit/WebKit/android/plugins external/webkit/WebKit/android/plugins
LOCAL_SHARED_LIBRARIES := \
libnativehelper
LOCAL_SRC_FILES := $(LOCAL_SRC_FILES) LOCAL_SRC_FILES := $(LOCAL_SRC_FILES)
LOCAL_CFLAGS += -fvisibility=hidden LOCAL_CFLAGS += -fvisibility=hidden
LOCAL_PRELINK_MODULE:=false LOCAL_PRELINK_MODULE:=false

48
samples/BrowserPlugin/jni/hello-jni.cpp Normal file
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@@ -0,0 +1,48 @@
/*
* Copyright (C) 2009 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
#include <string.h>
#include <jni.h>
#include <JNIHelp.h>
#include <utils/Log.h>
#define EXPORT __attribute__((visibility("default")))
static jstring stringFromJNI( JNIEnv* env, jobject thiz )
{
return env->NewStringUTF("Hello from JNI !");
}
/*
* JNI registration.
*/
static JNINativeMethod gJavaSamplePluginStubMethods[] = {
{ "nativeStringFromJNI", "()Ljava/lang/String;", (void*) stringFromJNI },
};
EXPORT jint JNI_OnLoad(JavaVM* vm, void* reserved) {
JNIEnv* env = NULL;
if (vm->GetEnv((void**) &env, JNI_VERSION_1_4) != JNI_OK) {
return -1;
}
jniRegisterNativeMethods(env, "com/android/sampleplugin/SamplePluginStub",
gJavaSamplePluginStubMethods, NELEM(gJavaSamplePluginStubMethods));
return JNI_VERSION_1_4;
}

89
samples/BrowserPlugin/src/com/android/sampleplugin/SamplePluginStub.java Normal file
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@@ -0,0 +1,89 @@
/*
* Copyright (C) 2009 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.sampleplugin;
import android.content.Context;
import android.graphics.PixelFormat;
import android.opengl.GLSurfaceView;
import android.view.View;
import android.view.WindowManager;
import android.view.ViewGroup.LayoutParams;
import android.webkit.PluginStub;
import android.widget.FrameLayout;
import android.widget.MediaController;
import android.widget.VideoView;
import com.android.sampleplugin.graphics.CubeRenderer;
public class SamplePluginStub extends PluginStub {
private int npp;
public SamplePluginStub(int npp) {
super(npp);
this.npp = npp;
}
public View getEmbeddedView(Context context) {
// TODO Auto-generated method stub
return null;
}
public View getFullScreenView(Context context) {
/* TODO make this aware of the plugin instance and get the video file
* from the plugin.
*/
//needed for jni calls
System.loadLibrary("sampleplugin");
FrameLayout layout = new FrameLayout(context);
LayoutParams fp = new LayoutParams(LayoutParams.FILL_PARENT, LayoutParams.FILL_PARENT);
layout.setLayoutParams(fp);
VideoView video = new VideoView(context);
LayoutParams vp = new LayoutParams(LayoutParams.FILL_PARENT, LayoutParams.FILL_PARENT);
layout.setLayoutParams(vp);
GLSurfaceView gl = new GLSurfaceView(context);
LayoutParams gp = new LayoutParams(LayoutParams.FILL_PARENT, LayoutParams.FILL_PARENT);
layout.setLayoutParams(gp);
layout.addView(video);
layout.addView(gl);
// We want an 8888 pixel format because that's required for a translucent
// window. And we want a depth buffer.
gl.setEGLConfigChooser(8, 8, 8, 8, 16, 0);
// Tell the cube renderer that we want to render a translucent version
// of the cube:
gl.setRenderer(new CubeRenderer(true));
// Use a surface format with an Alpha channel:
gl.getHolder().setFormat(PixelFormat.TRANSLUCENT);
gl.setWindowType(WindowManager.LayoutParams.TYPE_APPLICATION_MEDIA_OVERLAY);
video.setVideoPath("/sdcard/test_video.3gp");
video.setMediaController(new MediaController(context));
video.requestFocus();
return layout;
}
public native String nativeStringFromJNI();
}

100
samples/BrowserPlugin/src/com/android/sampleplugin/graphics/Cube.java Normal file
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@@ -0,0 +1,100 @@
/*
* Copyright (C) 2009 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.sampleplugin.graphics;
import java.nio.ByteBuffer;
import java.nio.ByteOrder;
import java.nio.IntBuffer;
import javax.microedition.khronos.opengles.GL10;
/**
* A vertex shaded cube.
*/
class Cube
{
public Cube()
{
int one = 0x10000;
int vertices[] = {
-one, -one, -one,
one, -one, -one,
one, one, -one,
-one, one, -one,
-one, -one, one,
one, -one, one,
one, one, one,
-one, one, one,
};
int colors[] = {
0, 0, 0, one,
one, 0, 0, one,
one, one, 0, one,
0, one, 0, one,
0, 0, one, one,
one, 0, one, one,
one, one, one, one,
0, one, one, one,
};
byte indices[] = {
0, 4, 5, 0, 5, 1,
1, 5, 6, 1, 6, 2,
2, 6, 7, 2, 7, 3,
3, 7, 4, 3, 4, 0,
4, 7, 6, 4, 6, 5,
3, 0, 1, 3, 1, 2
};
// Buffers to be passed to gl*Pointer() functions
// must be direct, i.e., they must be placed on the
// native heap where the garbage collector cannot
// move them.
//
// Buffers with multi-byte datatypes (e.g., short, int, float)
// must have their byte order set to native order
ByteBuffer vbb = ByteBuffer.allocateDirect(vertices.length*4);
vbb.order(ByteOrder.nativeOrder());
mVertexBuffer = vbb.asIntBuffer();
mVertexBuffer.put(vertices);
mVertexBuffer.position(0);
ByteBuffer cbb = ByteBuffer.allocateDirect(colors.length*4);
cbb.order(ByteOrder.nativeOrder());
mColorBuffer = cbb.asIntBuffer();
mColorBuffer.put(colors);
mColorBuffer.position(0);
mIndexBuffer = ByteBuffer.allocateDirect(indices.length);
mIndexBuffer.put(indices);
mIndexBuffer.position(0);
}
public void draw(GL10 gl)
{
gl.glFrontFace(gl.GL_CW);
gl.glVertexPointer(3, gl.GL_FIXED, 0, mVertexBuffer);
gl.glColorPointer(4, gl.GL_FIXED, 0, mColorBuffer);
gl.glDrawElements(gl.GL_TRIANGLES, 36, gl.GL_UNSIGNED_BYTE, mIndexBuffer);
}
private IntBuffer mVertexBuffer;
private IntBuffer mColorBuffer;
private ByteBuffer mIndexBuffer;
}

109
samples/BrowserPlugin/src/com/android/sampleplugin/graphics/CubeRenderer.java Normal file
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@@ -0,0 +1,109 @@
/*
* Copyright (C) 2009 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.sampleplugin.graphics;
import javax.microedition.khronos.egl.EGL10;
import javax.microedition.khronos.egl.EGLConfig;
import javax.microedition.khronos.opengles.GL10;
import android.opengl.GLSurfaceView;
/**
* Render a pair of tumbling cubes.
*/
public class CubeRenderer implements GLSurfaceView.Renderer {
public CubeRenderer(boolean useTranslucentBackground) {
mTranslucentBackground = useTranslucentBackground;
mCube = new Cube();
}
public void onDrawFrame(GL10 gl) {
/*
* Usually, the first thing one might want to do is to clear
* the screen. The most efficient way of doing this is to use
* glClear().
*/
gl.glClear(GL10.GL_COLOR_BUFFER_BIT | GL10.GL_DEPTH_BUFFER_BIT);
/*
* Now we're ready to draw some 3D objects
*/
gl.glMatrixMode(GL10.GL_MODELVIEW);
gl.glLoadIdentity();
gl.glTranslatef(0, 0, -3.0f);
gl.glRotatef(mAngle, 0, 1, 0);
gl.glRotatef(mAngle*0.25f, 1, 0, 0);
gl.glEnableClientState(GL10.GL_VERTEX_ARRAY);
gl.glEnableClientState(GL10.GL_COLOR_ARRAY);
mCube.draw(gl);
gl.glRotatef(mAngle*2.0f, 0, 1, 1);
gl.glTranslatef(0.5f, 0.5f, 0.5f);
mCube.draw(gl);
mAngle += 1.2f;
}
public void onSurfaceChanged(GL10 gl, int width, int height) {
gl.glViewport(0, 0, width, height);
/*
* Set our projection matrix. This doesn't have to be done
* each time we draw, but usually a new projection needs to
* be set when the viewport is resized.
*/
float ratio = (float) width / height;
gl.glMatrixMode(GL10.GL_PROJECTION);
gl.glLoadIdentity();
gl.glFrustumf(-ratio, ratio, -1, 1, 1, 10);
}
public void onSurfaceCreated(GL10 gl, EGLConfig config) {
/*
* By default, OpenGL enables features that improve quality
* but reduce performance. One might want to tweak that
* especially on software renderer.
*/
gl.glDisable(GL10.GL_DITHER);
/*
* Some one-time OpenGL initialization can be made here
* probably based on features of this particular context
*/
gl.glHint(GL10.GL_PERSPECTIVE_CORRECTION_HINT,
GL10.GL_FASTEST);
if (mTranslucentBackground) {
gl.glClearColor(0,0,0,0);
} else {
gl.glClearColor(1,1,1,1);
}
gl.glEnable(GL10.GL_CULL_FACE);
gl.glShadeModel(GL10.GL_SMOOTH);
gl.glEnable(GL10.GL_DEPTH_TEST);
}
private boolean mTranslucentBackground;
private Cube mCube;
private float mAngle;
}