diff options
Diffstat (limited to 'Source/WebKit/android/plugins/ANPSurfaceInterface.cpp')
| -rw-r--r-- | Source/WebKit/android/plugins/ANPSurfaceInterface.cpp | 174 |
1 files changed, 174 insertions, 0 deletions
diff --git a/Source/WebKit/android/plugins/ANPSurfaceInterface.cpp b/Source/WebKit/android/plugins/ANPSurfaceInterface.cpp new file mode 100644 index 0000000..4b99b31 --- /dev/null +++ b/Source/WebKit/android/plugins/ANPSurfaceInterface.cpp @@ -0,0 +1,174 @@ +/* + * 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 "android_graphics.h" +#include <JNIUtility.h> +#include <surfaceflinger/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<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<Surface>((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<Surface> surface = getSurface(env, surfaceView); + + if (!bitmap || !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)); + } + + 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<Surface> surface = getSurface(env, surfaceView); + + if (!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; +} |