xbmc/platform/android/activity/JNIXBMCMainView.cpp

   1 /*
   2  *  Copyright (C) 2017 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 "JNIXBMCMainView.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()) + "/XBMCMainView";
  25 CEvent CJNIXBMCMainView::m_surfaceCreated;
  26 CJNIXBMCMainView* CJNIXBMCMainView::m_instance = nullptr;
  27
  28 void CJNIXBMCMainView::RegisterNatives(JNIEnv* env)
  29 {
  30   jclass cClass = env->FindClass(s_className.c_str());
  31   if(cClass)
  32   {
  33     JNINativeMethod methods[] =
  34     {
  35       {"_attach", "()V", (void*)&CJNIXBMCMainView::_attach},
  36       {"_surfaceChanged", "(Landroid/view/SurfaceHolder;III)V", (void*)&CJNIXBMCMainView::_surfaceChanged},
  37       {"_surfaceCreated", "(Landroid/view/SurfaceHolder;)V", (void*)&CJNIXBMCMainView::_surfaceCreated},
  38       {"_surfaceDestroyed", "(Landroid/view/SurfaceHolder;)V", (void*)&CJNIXBMCMainView::_surfaceDestroyed}
  39     };
  40
  41     env->RegisterNatives(cClass, methods, sizeof(methods)/sizeof(methods[0]));
  42   }
  43 }
  44
  45 CJNIXBMCMainView::CJNIXBMCMainView(CJNISurfaceHolderCallback* callback)
  46   : m_callback(callback)
  47 {
  48   m_instance = this;
  49 }
  50
  51 void CJNIXBMCMainView::_attach(JNIEnv* env, jobject thiz)
  52 {
  53   (void)env;
  54
  55   if (m_instance)
  56     m_instance->attach(thiz);
  57 }
  58
  59 void CJNIXBMCMainView::_surfaceChanged(JNIEnv *env, jobject thiz, jobject holder, jint format, jint width, jint height )
  60 {
  61   (void)env;
  62
  63   if (m_instance)
  64     m_instance->surfaceChanged(CJNISurfaceHolder(jhobject(holder)), format, width, height);
  65 }
  66
  67 void CJNIXBMCMainView::_surfaceCreated(JNIEnv* env, jobject thiz, jobject holder)
  68 {
  69   (void)env;
  70
  71   if (m_instance)
  72     m_instance->surfaceCreated(CJNISurfaceHolder(jhobject(holder)));
  73 }
  74
  75 void CJNIXBMCMainView::_surfaceDestroyed(JNIEnv* env, jobject thiz, jobject holder)
  76 {
  77   (void)env;
  78
  79   if (m_instance)
  80     m_instance->surfaceDestroyed(CJNISurfaceHolder(jhobject(holder)));
  81 }
  82
  83 void CJNIXBMCMainView::attach(const jobject& thiz)
  84 {
  85   if (!m_object)
  86   {
  87     m_object = jhobject(thiz);
  88     m_object.setGlobal();
  89   }
  90 }
  91
  92 void CJNIXBMCMainView::surfaceChanged(CJNISurfaceHolder holder, int format, int width, int height)
  93 {
  94   if (m_callback)
  95     m_callback->surfaceChanged(holder, format, width, height);
  96 }
  97
  98 void CJNIXBMCMainView::surfaceCreated(CJNISurfaceHolder holder)
  99 {
 100   if (m_callback)
 101     m_callback->surfaceCreated(holder);
 102   m_surfaceCreated.Set();
 103 }
 104
 105 void CJNIXBMCMainView::surfaceDestroyed(CJNISurfaceHolder holder)
 106 {
 107   m_surfaceCreated.Reset();
 108   if (m_callback)
 109     m_callback->surfaceDestroyed(holder);
 110 }
 111
 112 bool CJNIXBMCMainView::waitForSurface(unsigned int millis)
 113 {
 114   return m_surfaceCreated.Wait(std::chrono::milliseconds(millis));
 115 }
 116
 117 bool CJNIXBMCMainView::isCreated() const
 118 {
 119   if (!m_object)
 120     return false;
 121   return get_field<jboolean>(m_object, "mIsCreated");
 122
 123 }
 124