gecko/dom/plugins/base/android/ANPVideo.cpp

/* 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 <android/log.h>
#include "ANPBase.h"
#include "AndroidMediaLayer.h"
#include "nsIPluginInstanceOwner.h"
#include "nsPluginInstanceOwner.h"
#include "nsNPAPIPluginInstance.h"
#include "gfxRect.h"

#define LOG(args...)  __android_log_print(ANDROID_LOG_INFO, "GeckoPlugins" , ## args)
#define ASSIGN(obj, name)   (obj)->name = anp_video_##name

using namespace mozilla;

static nsresult GetOwner(NPP instance, nsPluginInstanceOwner** owner) {
  nsNPAPIPluginInstance* pinst = static_cast<nsNPAPIPluginInstance*>(instance->ndata);

  return pinst->GetOwner((nsIPluginInstanceOwner**)owner);
}

static AndroidMediaLayer* GetLayerForInstance(NPP instance) {
  nsRefPtr<nsPluginInstanceOwner> owner;
  if (NS_FAILED(GetOwner(instance, getter_AddRefs(owner))))
    return NULL;
  
  return owner->Layer();
}

static void Invalidate(NPP instance) {
  nsRefPtr<nsPluginInstanceOwner> owner;
  if (NS_FAILED(GetOwner(instance, getter_AddRefs(owner))))
    return;

  owner->Invalidate();
}

static ANPNativeWindow anp_video_acquireNativeWindow(NPP instance) {
  AndroidMediaLayer* layer = GetLayerForInstance(instance);
  if (!layer)
    return NULL;

  return layer->RequestNativeWindowForVideo();
}

static void anp_video_setWindowDimensions(NPP instance, const ANPNativeWindow window,
        const ANPRectF* dimensions) {
  AndroidMediaLayer* layer = GetLayerForInstance(instance);
  if (!layer)
    return;

  gfxRect rect(dimensions->left, dimensions->top,
               dimensions->right - dimensions->left,
               dimensions->bottom - dimensions->top);

  layer->SetNativeWindowDimensions(window, rect);
  Invalidate(instance);
}


static void anp_video_releaseNativeWindow(NPP instance, ANPNativeWindow window) {
  AndroidMediaLayer* layer = GetLayerForInstance(instance);
  if (!layer)
    return;

  layer->ReleaseNativeWindowForVideo(window);
  Invalidate(instance);
}

static void anp_video_setFramerateCallback(NPP instance, const ANPNativeWindow window, ANPVideoFrameCallbackProc callback) {
  // Bug 722682
  NOT_IMPLEMENTED();
}

///////////////////////////////////////////////////////////////////////////////

void InitVideoInterfaceV0(ANPVideoInterfaceV0* i) {
    ASSIGN(i, acquireNativeWindow);
    ASSIGN(i, setWindowDimensions);
    ASSIGN(i, releaseNativeWindow);
}

void InitVideoInterfaceV1(ANPVideoInterfaceV1* i) {
    ASSIGN(i, acquireNativeWindow);
    ASSIGN(i, setWindowDimensions);
    ASSIGN(i, releaseNativeWindow);
    ASSIGN(i, setFramerateCallback);
}