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Change wxWebRequest API to use STATE event

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This commit is contained in:
Tobias Taschner
2018-10-23 22:27:14 +02:00
parent d756159f5d
commit 701f697fa4
4 changed files with 91 additions and 93 deletions
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57
samples/webrequest/webrequest.cpp
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@@ -136,8 +136,8 @@ public:
wxObjectDataPtr<wxWebRequest> request(wxWebSession::GetDefault().CreateRequest(
m_urlTextCtrl->GetValue()));
// Bind event for failure
request->Bind(wxEVT_WEBREQUEST_FAILED, &WebRequestFrame::OnWebRequestFailed, this);
// Bind event for state change
request->Bind(wxEVT_WEBREQUEST_STATE, &WebRequestFrame::OnWebRequestState, this);
// Prepare request based on selected action
switch (m_notebook->GetSelection())
@@ -145,8 +145,6 @@ public:
case Page_Image:
// Reset static bitmap image
m_imageStaticBitmap->SetBitmap(wxArtProvider::GetBitmap(wxART_MISSING_IMAGE));
// Bind completion event to response as image
request->Bind(wxEVT_WEBREQUEST_READY, &WebRequestFrame::OnImageRequestReady, this);
break;
case Page_Text:
// Reset response text control
@@ -158,8 +156,6 @@ public:
request->SetData(m_postRequestTextCtrl->GetValue(),
m_postContentTypeTextCtrl->GetValue());
}
request->Bind(wxEVT_WEBREQUEST_READY, &WebRequestFrame::OnTextRequestReady, this);
break;
case Page_Download:
// TODO: implement
@@ -175,30 +171,37 @@ public:
request->Start();
}
void OnImageRequestReady(wxWebRequestEvent& evt)
void OnWebRequestState(wxWebRequestEvent& evt)
{
wxImage img(*evt.GetResponse()->GetStream());
m_imageStaticBitmap->SetBitmap(img);
m_notebook->GetPage(Page_Image)->Layout();
GetStatusBar()->SetStatusText(wxString::Format("Loaded %lld bytes image data", evt.GetResponse()->GetContentLength()));
m_startButton->Enable();
}
m_startButton->Enable(evt.GetState() != wxWebRequest::State_Active);
void OnTextRequestReady(wxWebRequestEvent& evt)
{
m_textResponseTextCtrl->SetValue(evt.GetResponse()->AsString());
GetStatusBar()->SetStatusText(wxString::Format("Loaded %lld bytes text data (Status: %d %s)",
evt.GetResponse()->GetContentLength(),
evt.GetResponse()->GetStatus(),
evt.GetResponse()->GetStatusText()));
m_startButton->Enable();
}
switch (evt.GetState())
{
case wxWebRequest::State_Completed:
switch (m_notebook->GetSelection())
{
case Page_Image:
{
wxImage img(*evt.GetResponse()->GetStream());
m_imageStaticBitmap->SetBitmap(img);
m_notebook->GetPage(Page_Image)->Layout();
GetStatusBar()->SetStatusText(wxString::Format("Loaded %lld bytes image data", evt.GetResponse()->GetContentLength()));
break;
}
case Page_Text:
m_textResponseTextCtrl->SetValue(evt.GetResponse()->AsString());
GetStatusBar()->SetStatusText(wxString::Format("Loaded %lld bytes text data (Status: %d %s)",
evt.GetResponse()->GetContentLength(),
evt.GetResponse()->GetStatus(),
evt.GetResponse()->GetStatusText()));
break;
}
void OnWebRequestFailed(wxWebRequestEvent& evt)
{
wxLogError("Web Request failed: %s", evt.GetErrorDescription());
GetStatusBar()->SetStatusText("");
m_startButton->Enable();
break;
case wxWebRequest::State_Failed:
wxLogError("Web Request failed: %s", evt.GetErrorDescription());
GetStatusBar()->SetStatusText("");
}
}
void OnPostCheckBox(wxCommandEvent& WXUNUSED(evt))