cef/libcef/browser/browser_guest_util.cc

63 lines
2.1 KiB
C++

// Copyright (c) 2015 The Chromium Embedded Framework Authors. All rights
// reserved. Use of this source code is governed by a BSD-style license that
// can be found in the LICENSE file.
#include "cef/libcef/browser/browser_guest_util.h"
#include "chrome/browser/browser_process.h"
#include "chrome/browser/printing/print_preview_dialog_controller.h"
#include "content/browser/browser_plugin/browser_plugin_guest.h"
#include "content/browser/web_contents/web_contents_impl.h"
namespace {
content::WebContents* GetOwnerForBrowserPluginGuest(
const content::WebContents* guest) {
auto* guest_impl = static_cast<const content::WebContentsImpl*>(guest);
content::BrowserPluginGuest* plugin_guest =
guest_impl->GetBrowserPluginGuest();
if (plugin_guest) {
return plugin_guest->owner_web_contents();
}
return nullptr;
}
content::WebContents* GetInitiatorForPrintPreviewDialog(
const content::WebContents* guest) {
auto print_preview_controller =
g_browser_process->print_preview_dialog_controller();
return print_preview_controller->GetInitiator(
const_cast<content::WebContents*>(guest));
}
} // namespace
content::WebContents* GetOwnerForGuestContents(
const content::WebContents* guest) {
// Maybe it's a guest view. This occurs while loading the PDF viewer.
if (auto* owner = GetOwnerForBrowserPluginGuest(guest)) {
return owner;
}
// Maybe it's a print preview dialog. This occurs while loading the print
// preview dialog.
if (auto* initiator = GetInitiatorForPrintPreviewDialog(guest)) {
// Maybe the dialog is parented to a guest view. This occurs while loading
// the print preview dialog from inside the PDF viewer.
if (auto* owner = GetOwnerForBrowserPluginGuest(initiator)) {
return owner;
}
return initiator;
}
return nullptr;
}
bool IsBrowserPluginGuest(const content::WebContents* web_contents) {
return !!GetOwnerForBrowserPluginGuest(web_contents);
}
bool IsPrintPreviewDialog(const content::WebContents* web_contents) {
return !!GetInitiatorForPrintPreviewDialog(web_contents);
}