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/*
* Copyright 2009, The Android Open Source Project
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
// must include config.h first for webkit to fiddle with new/delete
#include "config.h"
#include "ANPSurface_npapi.h"
#include "PluginView.h"
#include "PluginWidgetAndroid.h"
#include "SkANP.h"
#include <JNIUtility.h>
#include <gui/Surface.h>
#include <ui/Rect.h>
#include <ui/Region.h>
#include <utils/RefBase.h>
using namespace android;
// used to cache JNI method and field IDs for Surface Objects
static struct ANPSurfaceInterfaceJavaGlue {
bool initialized;
jmethodID getSurfaceHolder;
jmethodID getSurface;
jfieldID surfacePointer;
} gSurfaceJavaGlue;
static inline sp<android::Surface> getSurface(JNIEnv* env, jobject view) {
if (!env || !view) {
return NULL;
}
if (!gSurfaceJavaGlue.initialized) {
jclass surfaceViewClass = env->FindClass("android/view/SurfaceView");
gSurfaceJavaGlue.getSurfaceHolder = env->GetMethodID(surfaceViewClass, "getHolder",
"()Landroid/view/SurfaceHolder;");
jclass surfaceHolderClass = env->FindClass("android/view/SurfaceHolder");
gSurfaceJavaGlue.getSurface = env->GetMethodID(surfaceHolderClass, "getSurface",
"()Landroid/view/Surface;");
jclass surfaceClass = env->FindClass("android/view/Surface");
gSurfaceJavaGlue.surfacePointer = env->GetFieldID(surfaceClass,
ANDROID_VIEW_SURFACE_JNI_ID, "I");
env->DeleteLocalRef(surfaceClass);
env->DeleteLocalRef(surfaceViewClass);
env->DeleteLocalRef(surfaceHolderClass);
gSurfaceJavaGlue.initialized = true;
}
jobject holder = env->CallObjectMethod(view, gSurfaceJavaGlue.getSurfaceHolder);
jobject surface = env->CallObjectMethod(holder, gSurfaceJavaGlue.getSurface);
jint surfacePointer = env->GetIntField(surface, gSurfaceJavaGlue.surfacePointer);
env->DeleteLocalRef(holder);
env->DeleteLocalRef(surface);
return sp<android::Surface>((android::Surface*) surfacePointer);
}
static inline ANPBitmapFormat convertPixelFormat(PixelFormat format) {
switch (format) {
case PIXEL_FORMAT_RGBA_8888: return kRGBA_8888_ANPBitmapFormat;
case PIXEL_FORMAT_RGB_565: return kRGB_565_ANPBitmapFormat;
default: return kUnknown_ANPBitmapFormat;
}
}
static bool anp_lock(JNIEnv* env, jobject surfaceView, ANPBitmap* bitmap, ANPRectI* dirtyRect) {
if (!bitmap || !surfaceView) {
return false;
}
sp<android::Surface> surface = getSurface(env, surfaceView);
if (!bitmap || !android::Surface::isValid(surface)) {
return false;
}
Region dirtyRegion;
if (dirtyRect) {
Rect rect(dirtyRect->left, dirtyRect->top, dirtyRect->right, dirtyRect->bottom);
if (!rect.isEmpty()) {
dirtyRegion.set(rect);
}
} else {
dirtyRegion.set(Rect(0x3FFF, 0x3FFF));
}
android::Surface::SurfaceInfo info;
status_t err = surface->lock(&info, &dirtyRegion);
if (err < 0) {
return false;
}
// the surface may have expanded the dirty region so we must to pass that
// information back to the plugin.
if (dirtyRect) {
Rect dirtyBounds = dirtyRegion.getBounds();
dirtyRect->left = dirtyBounds.left;
dirtyRect->right = dirtyBounds.right;
dirtyRect->top = dirtyBounds.top;
dirtyRect->bottom = dirtyBounds.bottom;
}
ssize_t bpr = info.s * bytesPerPixel(info.format);
bitmap->format = convertPixelFormat(info.format);
bitmap->width = info.w;
bitmap->height = info.h;
bitmap->rowBytes = bpr;
if (info.w > 0 && info.h > 0) {
bitmap->baseAddr = info.bits;
} else {
bitmap->baseAddr = NULL;
return false;
}
return true;
}
static void anp_unlock(JNIEnv* env, jobject surfaceView) {
if (!surfaceView) {
return;
}
sp<android::Surface> surface = getSurface(env, surfaceView);
if (!android::Surface::isValid(surface)) {
return;
}
surface->unlockAndPost();
}
///////////////////////////////////////////////////////////////////////////////
#define ASSIGN(obj, name) (obj)->name = anp_##name
void ANPSurfaceInterfaceV0_Init(ANPInterface* value) {
ANPSurfaceInterfaceV0* i = reinterpret_cast<ANPSurfaceInterfaceV0*>(value);
ASSIGN(i, lock);
ASSIGN(i, unlock);
// setup the java glue struct
gSurfaceJavaGlue.initialized = false;
}
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