111 lines
3.2 KiB
C++
111 lines
3.2 KiB
C++
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#include "SampleCode.h"
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#include "SkView.h"
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#include "SkCanvas.h"
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#include "SkGradientShader.h"
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#include "SkGPipe.h"
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#include "SkSockets.h"
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#include "SkOSMenu.h"
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#define MAX_READS_PER_FRAME 5
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class NetPipeReaderView : public SampleView {
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public:
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NetPipeReaderView() {
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fSocket = NULL;
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fSync = false;
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}
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~NetPipeReaderView() {
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if (fSocket) {
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delete fSocket;
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}
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fDataArray.reset();
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}
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virtual void requestMenu(SkOSMenu* menu) {
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menu->setTitle("Net Pipe Reader");
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menu->appendTextField("Server IP", "Server IP", this->getSinkID(),
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"IP address");
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menu->appendSwitch("Sync", "Sync", this->getSinkID(), fSync);
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}
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protected:
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static void readData(int cid, const void* data, size_t size,
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SkSocket::DataType type, void* context) {
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NetPipeReaderView* view = (NetPipeReaderView*)context;
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view->onRead(data, size);
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}
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void onRead(const void* data, size_t size) {
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if (size > 0)
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fDataArray.append(size, (const char*)data);
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}
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bool onQuery(SkEvent* evt) {
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if (SampleCode::TitleQ(*evt)) {
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SampleCode::TitleR(evt, "Net Pipe Reader");
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return true;
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}
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return this->INHERITED::onQuery(evt);
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}
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bool onEvent(const SkEvent& evt) {;
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SkString s;
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if (SkOSMenu::FindText(&evt, "Server IP", &s)) {
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if (NULL != fSocket) {
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delete fSocket;
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}
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fSocket = new SkTCPClient(s.c_str());
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fSocket->connectToServer();
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SkDebugf("Connecting to %s\n", s.c_str());
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return true;
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}
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if (SkOSMenu::FindSwitchState(&evt, "Sync", &fSync))
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return true;
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return this->INHERITED::onEvent(evt);
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}
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void onDrawContent(SkCanvas* canvas) {
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if (NULL == fSocket)
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return;
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if (fSocket->isConnected()) {
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int dataToRemove = fDataArray.count();
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if (fSync) {
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int numreads = 0;
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while (fSocket->readPacket(readData, this) > 0 &&
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numreads < MAX_READS_PER_FRAME) {
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fDataArray.remove(0, dataToRemove);
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dataToRemove = fDataArray.count();
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++numreads;
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}
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}
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else {
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if (fSocket->readPacket(readData, this) > 0)
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fDataArray.remove(0, dataToRemove);
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}
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}
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else
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fSocket->connectToServer();
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SkGPipeReader reader(canvas);
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size_t bytesRead;
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SkGPipeReader::Status fStatus = reader.playback(fDataArray.begin(),
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fDataArray.count(),
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&bytesRead);
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SkASSERT(SkGPipeReader::kError_Status != fStatus);
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this->inval(NULL);
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}
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private:
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bool fSync;
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SkTDArray<char> fDataArray;
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SkTCPClient* fSocket;
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typedef SampleView INHERITED;
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};
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///////////////////////////////////////////////////////////////////////////////
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static SkView* MyFactory() { return new NetPipeReaderView; }
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static SkViewRegister reg(MyFactory);
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