RenderedBitmap *ChmEngineImpl::CreateThumbnail(SizeI size)
{
RenderedBitmap *bmp = NULL;
// We render twice the size of thumbnail and scale it down
RectI area(0, 0, size.dx * 2, size.dy * 2);
// reusing WC_STATIC. I don't think exact class matters (WndProc
// will be taken over by HtmlWindow anyway) but it can't be NULL.
int winDx = area.dx + GetSystemMetrics(SM_CXVSCROLL);
int winDy = area.dy + GetSystemMetrics(SM_CYHSCROLL);
HWND hwnd = CreateWindow(WC_STATIC, L"BrowserCapture", WS_POPUP,
0, 0, winDx, winDy, NULL, NULL, NULL, NULL);
if (!hwnd)
return NULL;
#if 0 // when debugging set to 1 to see the window
ShowWindow(hwnd, SW_SHOW);
#endif
SetParentHwnd(hwnd);
DisplayPage(1);
if (!htmlWindow || !htmlWindow->WaitUntilLoaded(5 * 1000))
goto Exit;
HBITMAP hbmp = htmlWindow->TakeScreenshot(area, size);
if (!hbmp)
goto Exit;
bmp = new RenderedBitmap(hbmp, size);
Exit:
DestroyWindow(hwnd);
return bmp;
}
int main(int argc, char *argv[])
{
QApplication app(argc, argv);
HtmlWindow window;
window.show();
return app.exec();
}
// Returns a localized string representing the value for the object
// or child.
wxAccStatus HtmlWindowAx::GetValue(int WXUNUSED(childId), wxString* strValue)
{
HtmlWindow *hw = wxDynamicCast( GetWindow(), HtmlWindow );
*strValue = hw->ToText();
return wxACC_OK;
}
// Returns the rectangle for this object (id = 0) or a child element (id > 0).
// rect is in screen coordinates.
wxAccStatus HtmlWindowAx::GetLocation( wxRect& rect, int WXUNUSED(elementId) )
{
HtmlWindow *hw = wxDynamicCast( GetWindow(), HtmlWindow );
rect = hw->GetRect();
rect.SetPosition( hw->GetParent()->ClientToScreen( rect.GetPosition() ) );
return wxACC_OK;
}
void ChmEngineImpl::Navigate(int dir)
{
if (!htmlWindow)
return;
if (dir < 0) {
for (; dir < 0 && CanNavigate(dir); dir++)
htmlWindow->GoBack();
} else {
for (; dir > 0 && CanNavigate(dir); dir--)
htmlWindow->GoForward();
}
}
// Gets the name of the specified object.
wxAccStatus HtmlWindowAx::GetName(int WXUNUSED(childId), wxString* name)
{
HtmlWindow *hw = wxDynamicCast( GetWindow(), HtmlWindow );
*name = hw->GetName();
if( name->IsEmpty() )
{
*name = hw->GetLabel();
}
return wxACC_OK;
}
void ChmEngineImpl::DisplayPage(const WCHAR *pageUrl)
{
if (IsExternalUrl(pageUrl)) {
// open external links in an external browser
// (same as for PDF, XPS, etc. documents)
if (navCb)
navCb->LaunchBrowser(pageUrl);
return;
}
int pageNo = pages.Find(ScopedMem<WCHAR>(str::ToPlainUrl(pageUrl))) + 1;
if (pageNo)
currentPageNo = pageNo;
// This is a hack that seems to be needed for some chm files where
// url starts with "..\" even though it's not accepted by ie as
// a correct its: url. There's a possibility it breaks some other
// chm files (I don't know such cases, though).
// A more robust solution would try to match with the actual
// names of files inside chm package.
if (str::StartsWith(pageUrl, L"..\\"))
pageUrl += 3;
if (str::StartsWith(pageUrl, L"/"))
pageUrl++;
assert(htmlWindow);
if (htmlWindow)
htmlWindow->NavigateToDataUrl(pageUrl);
}
void CreateThumbnail(HtmlWindow *hw) {
this->hw = hw;
homeUrl.Set(str::conv::FromAnsi(doc->GetHomePath()));
if (*homeUrl == '/')
homeUrl.Set(str::Dup(homeUrl + 1));
hw->NavigateToDataUrl(homeUrl);
}
virtual void OnDocumentComplete(const WCHAR *url) {
if (url && *url == '/')
url++;
if (str::Eq(url, homeUrl)) {
RectI area(0, 0, size.dx * 2, size.dy * 2);
HBITMAP hbmp = hw->TakeScreenshot(area, size);
if (hbmp) {
RenderedBitmap *bmp = new RenderedBitmap(hbmp, size);
tnCb->SaveThumbnail(bmp);
tnCb = NULL;
}
uitask::Post(this);
}
}
virtual void OnDocumentComplete(const WCHAR *url) {
if (url && *url == '/')
url++;
if (str::Eq(url, homeUrl)) {
RectI area(0, 0, size.dx * 2, size.dy * 2);
HBITMAP hbmp = hw->TakeScreenshot(area, size);
if (hbmp) {
RenderedBitmap *bmp = new RenderedBitmap(hbmp, size);
saveThumbnail(bmp);
}
// TODO: why is destruction on the UI thread necessary?
uitask::Post([=] { delete this; });
}
}
void ShowExtraDialog()
{
int k=42;
wxDialog Dlg(NULL, wxID_ANY, wxString(wxT("Experimental Extra Dialog")));
ShuttleGui S(&Dlg, eIsCreating);
S.StartNotebook();
{
S.StartNotebookPage( _("Panel 1") );
S.StartVerticalLay(1);
{
HtmlWindow *html = new LinkingHtmlWindow(S.GetParent(), -1,
wxDefaultPosition,
wxSize(600, 359),
wxHW_SCROLLBAR_AUTO | wxSUNKEN_BORDER);
html->SetFocus();
html->SetPage(wxT("<h1><font color=\"blue\">An Html Window</font></h1>Replace with whatever you like."));
S.Prop(1).AddWindow( html, wxEXPAND );
}
S.EndVerticalLay();
S.EndNotebookPage();
S.StartNotebookPage( _("Diagnostics") );
S.StartVerticalLay(1);
{
HtmlWindow *html = new LinkingHtmlWindow(S.GetParent(), -1,
wxDefaultPosition,
wxSize(600, 359),
wxHW_SCROLLBAR_AUTO | wxSUNKEN_BORDER);
html->SetFocus();
html->SetPage(wxT("<h1>Diagnostics</h1>This is an html diagnostics page"));
S.Prop(1).AddWindow( html, wxEXPAND );
}
S.EndVerticalLay();
S.EndNotebookPage();
}
S.EndNotebook();
wxButton *ok = new wxButton(S.GetParent(), wxID_OK, _("OK... Audacious!"));
ok->SetDefault();
S.Prop(0).AddWindow( ok );
Dlg.Fit();
Dlg.ShowModal();
}
void ChmEngineImpl::ZoomTo(float zoomLevel)
{
if (htmlWindow)
htmlWindow->SetZoomPercent((int)zoomLevel);
}