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alloy: Add support for the new non-PPAPI PDF viewer (see issue #3047)

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Enable by passing `--enable-features=PdfUnseasoned` on the command line.
This commit is contained in:
Marshall Greenblatt
2021-11-23 15:28:12 -05:00
parent d6d316e304
commit c75ebbccec
11 changed files with 244 additions and 173 deletions
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9
libcef/browser/alloy/alloy_browser_host_impl.cc
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@ -780,11 +780,14 @@ bool AlloyBrowserHostImpl::MaybeAllowNavigation(
content::RenderFrameHost* opener,
bool is_guest_view,
const content::OpenURLParams& params) {
if (is_guest_view && !params.url.SchemeIs(extensions::kExtensionScheme) &&
if (is_guest_view && !params.is_pdf &&
!params.url.SchemeIs(extensions::kExtensionScheme) &&
!params.url.SchemeIs(content::kChromeUIScheme)) {
// The PDF viewer will load the PDF extension in the guest view, and print
// preview will load chrome://print in the guest view. All other navigations
// are passed to the owner browser.
// preview will load chrome://print in the guest view. The PDF renderer
// used with PdfUnseasoned will set |params.is_pdf| when loading the PDF
// stream (see PdfNavigationThrottle::WillStartRequest). All other
// navigations are passed to the owner browser.
CEF_POST_TASK(CEF_UIT,
base::BindOnce(
base::IgnoreResult(&AlloyBrowserHostImpl::OpenURLFromTab),