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fix: prevent crash if BrowserView webContents was destroyed (#25112)

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Shelley Vohr 2020-08-25 20:04:13 -07:00 • committed by GitHub
parent c97f8109c2
commit c8a0b2b71d
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GPG key ID: 4AEE18F83AFDEB23
6 changed files with 41 additions and 32 deletions
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10
shell/browser/api/electron_api_base_window.cc
View file

@ -745,7 +745,8 @@ void BaseWindow::AddBrowserView(v8::Local<v8::Value> value) {
auto get_that_view = browser_views_.find(browser_view->ID());
if (get_that_view == browser_views_.end()) {
window_->AddBrowserView(browser_view->view());
browser_view->web_contents()->SetOwnerWindow(window_.get());
if (browser_view->web_contents())
browser_view->web_contents()->SetOwnerWindow(window_.get());
browser_views_[browser_view->ID()].Reset(isolate(), value);
}
}
@ -758,8 +759,8 @@ void BaseWindow::RemoveBrowserView(v8::Local<v8::Value> value) {
auto get_that_view = browser_views_.find(browser_view->ID());
if (get_that_view != browser_views_.end()) {
window_->RemoveBrowserView(browser_view->view());
browser_view->web_contents()->SetOwnerWindow(nullptr);
if (browser_view->web_contents())
browser_view->web_contents()->SetOwnerWindow(nullptr);
(*get_that_view).second.Reset(isolate(), value);
browser_views_.erase(get_that_view);
}
@ -1055,7 +1056,8 @@ void BaseWindow::ResetBrowserViews() {
&browser_view) &&
!browser_view.IsEmpty()) {
window_->RemoveBrowserView(browser_view->view());
browser_view->web_contents()->SetOwnerWindow(nullptr);
if (browser_view->web_contents())
browser_view->web_contents()->SetOwnerWindow(nullptr);
}
item.second.Reset();

3
shell/browser/api/electron_api_web_contents.cc
View file

@ -658,7 +658,8 @@ WebContents::~WebContents() {
} else {
// Destroy WebContents asynchronously unless app is shutting down,
// because destroy() might be called inside WebContents's event handler.
DestroyWebContents(!IsGuest() /* async */);
bool is_browser_view = type_ == Type::BROWSER_VIEW;
DestroyWebContents(!(IsGuest() || is_browser_view) /* async */);
// The WebContentsDestroyed will not be called automatically because we
// destroy the webContents in the next tick. So we have to manually
// call it here to make sure "destroyed" event is emitted.