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Add a callback option to webContents.print

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This commit is contained in:
renaesop 2017-07-21 15:16:27 +08:00
parent 3283238555
commit 6d16eb81d2
4 changed files with 30 additions and 8 deletions
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16
atom/browser/api/atom_api_web_contents.cc
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@ -1269,13 +1269,21 @@ bool WebContents::IsAudioMuted() {
void WebContents::Print(mate::Arguments* args) {
PrintSettings settings = { false, false, base::string16() };
if (args->Length() == 1 && !args->GetNext(&settings)) {
if (args->Length() >= 1 && !args->GetNext(&settings)) {
args->ThrowError();
return;
}
printing::PrintViewManagerBasic::FromWebContents(web_contents())->
PrintNow(web_contents()->GetMainFrame(),
auto print_view_manager_basic_ptr =
printing::PrintViewManagerBasic::FromWebContents(web_contents());
if (args->Length() == 2) {
base::Callback<void(bool)> callback;
if (!args->GetNext(&callback)) {
args->ThrowError();
return;
}
print_view_manager_basic_ptr->SetCallback(callback);
}
print_view_manager_basic_ptr->PrintNow(web_contents()->GetMainFrame(),
settings.silent,
settings.print_background,
settings.device_name);