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Add support for modal dialogs (issue #250).

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git-svn-id: https://chromiumembedded.googlecode.com/svn/trunk@255 5089003a-bbd8-11dd-ad1f-f1f9622dbc98
This commit is contained in:
Marshall Greenblatt
2011-06-14 15:09:55 +00:00
parent d757adb020
commit 02d6f3e384
20 changed files with 434 additions and 23 deletions
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44
libcef/browser_webview_delegate_win.cc
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@@ -178,8 +178,48 @@ void BrowserWebViewDelegate::runModal() {
browser_->UIT_SetIsModal(true);
// TODO(CEF): Add a handler notification for modal windows so the client can
// make the window behave modally.
CefRefPtr<CefClient> client = browser_->GetClient();
CefRefPtr<CefLifeSpanHandler> handler;
if( client.get())
handler = client->GetLifeSpanHandler();
bool handled(false);
if (handler.get()) {
// Let the client override the modal message loop.
handled = handler->RunModal(browser_);
}
if (!handled) {
HWND child = ::GetAncestor(browser_->UIT_GetMainWndHandle(), GA_ROOT);
HWND owner = ::GetAncestor(browser_->opener_window(), GA_ROOT);
if (child && owner) {
// Set the owner so that Windows keeps this window above the owner.
::SetWindowLong(child, GWL_HWNDPARENT, (LONG)owner);
// Disable the owner if it is enabled so that you can't interact with it.
// while this child window is open.
if (::IsWindowEnabled(owner)) {
::EnableWindow(owner, FALSE);
browser_->set_opener_was_disabled_by_modal_loop(true);
}
DWORD dwStyle = ::GetWindowLong(child, GWL_STYLE);
DWORD dwNewStyle = dwStyle | WS_POPUP;
if(dwStyle != dwNewStyle)
::SetWindowLong(child, GWL_STYLE, dwNewStyle);
}
// Tell the browser to exit this message loop when this window closes.
browser_->set_internal_modal_message_loop_is_active(true);
// Start a new message loop here and return when this window closes.
MessageLoop* message_loop = MessageLoop::current();
bool old_state = message_loop->NestableTasksAllowed();
message_loop->SetNestableTasksAllowed(true);
message_loop->Run();
message_loop->SetNestableTasksAllowed(old_state);
}
}
// WebPluginPageDelegate ------------------------------------------------------