Home | History | Annotate | Download | only in plugins 
      1 /*
      2  * Copyright 2011, The Android Open Source Project
      3  *
      4  * Redistribution and use in source and binary forms, with or without
      5  * modification, are permitted provided that the following conditions
      6  * are met:
      7  *  * Redistributions of source code must retain the above copyright
      8  *    notice, this list of conditions and the following disclaimer.
      9  *  * Redistributions in binary form must reproduce the above copyright
     10  *    notice, this list of conditions and the following disclaimer in the
     11  *    documentation and/or other materials provided with the distribution.
     12  *
     13  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
     14  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     16  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
     17  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
     18  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
     19  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
     20  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
     21  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     23  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     24  */
     25 
     26 // must include config.h first for webkit to fiddle with new/delete
     27 #include "config.h"
     28 #include "ANPVideo_npapi.h"
     29 #include "SkANP.h"
     30 
     31 #include "PluginView.h"
     32 #include "PluginWidgetAndroid.h"
     33 #include "MediaLayer.h"
     34 
     35 static WebCore::PluginView* pluginViewForInstance(NPP instance) {
     36     if (instance && instance->ndata)
     37         return static_cast<WebCore::PluginView*>(instance->ndata);
     38     return WebCore::PluginView::currentPluginView();
     39 }
     40 
     41 static WebCore::MediaLayer* mediaLayerForInstance(NPP instance) {
     42     WebCore::PluginView* pluginView = pluginViewForInstance(instance);
     43     PluginWidgetAndroid* pluginWidget = pluginView->platformPluginWidget();
     44     return pluginWidget->getLayer();
     45 }
     46 
     47 static ANativeWindow* anp_acquireNativeWindow(NPP instance) {
     48     WebCore::MediaLayer* mediaLayer = mediaLayerForInstance(instance);
     49 
     50     return mediaLayer->acquireNativeWindowForVideo();
     51 }
     52 
     53 static void anp_setWindowDimensions(NPP instance, const ANativeWindow* window,
     54         const ANPRectF* dimensions) {
     55 
     56     WebCore::MediaLayer* mediaLayer = mediaLayerForInstance(instance);
     57     if (!mediaLayer)
     58         return;
     59 
     60     SkRect rect;
     61     mediaLayer->setWindowDimensionsForVideo(window, *SkANP::SetRect(&rect, *dimensions));
     62 }
     63 
     64 
     65 static void anp_releaseNativeWindow(NPP instance, ANativeWindow* window) {
     66     WebCore::MediaLayer* mediaLayer = mediaLayerForInstance(instance);
     67     if (!mediaLayer)
     68         return;
     69 
     70     mediaLayer->releaseNativeWindowForVideo(window);
     71 }
     72 
     73 static void anp_setFramerateCallback(NPP instance, const ANativeWindow* window, ANPVideoFrameCallbackProc callback) {
     74     WebCore::MediaLayer* mediaLayer = mediaLayerForInstance(instance);
     75     if (!mediaLayer)
     76         return;
     77 
     78     mediaLayer->setFramerateCallback(window, callback);
     79 }
     80 
     81 ///////////////////////////////////////////////////////////////////////////////
     82 
     83 #define ASSIGN(obj, name)   (obj)->name = anp_##name
     84 
     85 void ANPVideoInterfaceV0_Init(ANPInterface* value) {
     86     ANPVideoInterfaceV0* i = reinterpret_cast<ANPVideoInterfaceV0*>(value);
     87 
     88     ASSIGN(i, acquireNativeWindow);
     89     ASSIGN(i, setWindowDimensions);
     90     ASSIGN(i, releaseNativeWindow);
     91 }
     92 
     93 void ANPVideoInterfaceV1_Init(ANPInterface* value) {
     94     // initialize the functions from the previous interface
     95     ANPVideoInterfaceV0_Init(value);
     96     // add any new functions or override existing functions
     97     ANPVideoInterfaceV1* i = reinterpret_cast<ANPVideoInterfaceV1*>(value);
     98     ASSIGN(i, setFramerateCallback);
     99 }
    100