C++ (Cpp) GonkNativeWindow::abandon示例

示例#1

文件： GonkCameraHwMgr.cpp 项目： hideakihata/mozilla-central.fgv

int
GonkCameraHardware::StartPreview()
{
  if (mWindow.get()) {
    GonkNativeWindow* window = static_cast<GonkNativeWindow*>(mWindow.get());
    window->abandon();
  } else {
    mWindow = new GonkNativeWindow(this);
    mHardware->setPreviewWindow(mWindow);
  }

  mHardware->enableMsgType(CAMERA_MSG_PREVIEW_FRAME);
  return mHardware->startPreview();
}

示例#2

文件： GonkCameraHwMgr.cpp 项目： Ajunboys/mozilla-os2

void
GonkCameraHardware::ReleaseHandle(uint32_t aHwHandle)
{
  GonkCameraHardware* hw = GetHardware(aHwHandle);
  DOM_CAMERA_LOGI("%s: aHwHandle = %d, hw = %p (sHwHandle = %d)\n", __func__, aHwHandle, (void*)hw, sHwHandle);
  if (!hw) {
    return;
  }

  DOM_CAMERA_LOGI("%s: before: sHwHandle = %d\n", __func__, sHwHandle);
  sHwHandle += 1; // invalidate old handles before deleting
  hw->mClosing = true;
  hw->mHardware->disableMsgType(CAMERA_MSG_ALL_MSGS);
  hw->mHardware->stopPreview();
  hw->mHardware->release();
  GonkNativeWindow* window = static_cast<GonkNativeWindow*>(hw->mWindow.get());
  window->abandon();
  DOM_CAMERA_LOGI("%s: after: sHwHandle = %d\n", __func__, sHwHandle);
  delete hw;     // destroy the camera hardware instance
}