xbmc/platform/android/activity/JNIXBMCVideoView.cpp

   1 /*
   2  *  Copyright (C) 2016 Christian Browet
   3  *  This file is part of Kodi - https://kodi.tv
   4  *
   5  *  SPDX-License-Identifier: GPL-2.0-or-later
   6  *  See LICENSES/README.md for more information.
   7  */
   8
   9 #include "JNIXBMCVideoView.h"
  10
  11 #include "CompileInfo.h"
  12 #include "utils/StringUtils.h"
  13 #include "utils/log.h"
  14
  15 #include <algorithm>
  16 #include <cassert>
  17 #include <list>
  18
  19 #include <androidjni/Context.h>
  20 #include <androidjni/jutils-details.hpp>
  21
  22 using namespace jni;
  23
  24 static std::string s_className = std::string(CCompileInfo::GetClass()) + "/XBMCVideoView";
  25
  26 void CJNIXBMCVideoView::RegisterNatives(JNIEnv* env)
  27 {
  28   jclass cClass = env->FindClass(s_className.c_str());
  29   if(cClass)
  30   {
  31     JNINativeMethod methods[] =
  32     {
  33       {"_surfaceChanged", "(Landroid/view/SurfaceHolder;III)V", (void*)&CJNIXBMCVideoView::_surfaceChanged},
  34       {"_surfaceCreated", "(Landroid/view/SurfaceHolder;)V", (void*)&CJNIXBMCVideoView::_surfaceCreated},
  35       {"_surfaceDestroyed", "(Landroid/view/SurfaceHolder;)V", (void*)&CJNIXBMCVideoView::_surfaceDestroyed}
  36     };
  37
  38     env->RegisterNatives(cClass, methods, sizeof(methods)/sizeof(methods[0]));
  39   }
  40 }
  41
  42 CJNIXBMCVideoView::CJNIXBMCVideoView(const jni::jhobject &object)
  43   : CJNIBase(object)
  44 {
  45 }
  46
  47 CJNIXBMCVideoView* CJNIXBMCVideoView::createVideoView(CJNISurfaceHolderCallback* callback)
  48 {
  49   std::string signature = "()L" + s_className + ";";
  50
  51   CJNIXBMCVideoView* pvw = new CJNIXBMCVideoView(call_static_method<jhobject>(xbmc_jnienv(), CJNIContext::getClassLoader().loadClass(GetDotClassName(s_className)),
  52                                                                               "createVideoView", signature.c_str()));
  53   if (!*pvw)
  54   {
  55     CLog::Log(LOGERROR, "Cannot instantiate VideoView!!");
  56     delete pvw;
  57     return nullptr;
  58   }
  59
  60   add_instance(pvw->get_raw(), pvw);
  61   pvw->m_callback = callback;
  62   if (pvw->isCreated())
  63     pvw->m_surfaceCreated.Set();
  64   pvw->add();
  65
  66   return pvw;
  67 }
  68
  69 void CJNIXBMCVideoView::_surfaceChanged(JNIEnv *env, jobject thiz, jobject holder, jint format, jint width, jint height )
  70 {
  71   (void)env;
  72
  73   CJNIXBMCVideoView *inst = find_instance(thiz);
  74   if (inst)
  75     inst->surfaceChanged(CJNISurfaceHolder(jhobject::fromJNI(holder)), format, width, height);
  76 }
  77
  78 void CJNIXBMCVideoView::_surfaceCreated(JNIEnv* env, jobject thiz, jobject holder)
  79 {
  80   (void)env;
  81
  82   CJNIXBMCVideoView *inst = find_instance(thiz);
  83   if (inst)
  84     inst->surfaceCreated(CJNISurfaceHolder(jhobject::fromJNI(holder)));
  85 }
  86
  87 void CJNIXBMCVideoView::_surfaceDestroyed(JNIEnv* env, jobject thiz, jobject holder)
  88 {
  89   (void)env;
  90
  91   CJNIXBMCVideoView *inst = find_instance(thiz);
  92   if (inst)
  93     inst->surfaceDestroyed(CJNISurfaceHolder(jhobject::fromJNI(holder)));
  94 }
  95
  96 void CJNIXBMCVideoView::surfaceChanged(CJNISurfaceHolder holder, int format, int width, int height)
  97 {
  98   if (m_callback)
  99     m_callback->surfaceChanged(holder, format, width, height);
 100 }
 101
 102 void CJNIXBMCVideoView::surfaceCreated(CJNISurfaceHolder holder)
 103 {
 104   if (m_callback)
 105     m_callback->surfaceCreated(holder);
 106   m_surfaceCreated.Set();
 107 }
 108
 109 void CJNIXBMCVideoView::surfaceDestroyed(CJNISurfaceHolder holder)
 110 {
 111   m_surfaceCreated.Reset();
 112   if (m_callback)
 113     m_callback->surfaceDestroyed(holder);
 114 }
 115
 116 bool CJNIXBMCVideoView::waitForSurface(unsigned int millis)
 117 {
 118   return m_surfaceCreated.Wait(std::chrono::milliseconds(millis));
 119 }
 120
 121 void CJNIXBMCVideoView::add()
 122 {
 123   call_method<void>(m_object,
 124                     "add", "()V");
 125 }
 126
 127 void CJNIXBMCVideoView::release()
 128 {
 129   remove_instance(this);
 130   call_method<void>(m_object,
 131                     "release", "()V");
 132 }
 133
 134 CJNISurface CJNIXBMCVideoView::getSurface()
 135 {
 136   return call_method<jhobject>(m_object,
 137                                "getSurface", "()Landroid/view/Surface;");
 138 }
 139
 140 const CRect& CJNIXBMCVideoView::getSurfaceRect()
 141 {
 142   return m_surfaceRect;
 143 }
 144
 145 void CJNIXBMCVideoView::setSurfaceRect(const CRect& rect)
 146 {
 147   call_method<void>(m_object,
 148                     "setSurfaceRect", "(IIII)V", int(rect.x1), int(rect.y1), int(rect.x2), int(rect.y2));
 149   m_surfaceRect = rect;
 150 }
 151
 152 bool CJNIXBMCVideoView::isCreated() const
 153 {
 154   return get_field<jboolean>(m_object, "mIsCreated");
 155 }
 156