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Do not free memory used by native window immediately.

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Otherwise we would have two ways to destroy a window, making code much
more complicated.
This commit is contained in:
Cheng Zhao 2014-04-23 09:53:38 +08:00
parent db39910455
commit 8417f158b4
2 changed files with 19 additions and 15 deletions
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8
atom/browser/api/atom_api_window.cc
View file

@ -97,13 +97,7 @@ void Window::WillCloseWindow(bool* prevent_default) {
void Window::OnWindowClosed() {
Emit("closed");
if (window_) {
window_->RemoveObserver(this);
// Free memory when native window is closed, the delete is delayed so other
// observers would not get a invalid pointer of NativeWindow.
base::MessageLoop::current()->DeleteSoon(FROM_HERE, window_.release());
}
window_->RemoveObserver(this);
}
void Window::OnWindowBlur() {

26
atom/browser/native_window.cc
View file

@ -99,6 +99,10 @@ NativeWindow::NativeWindow(content::WebContents* web_contents,
}
NativeWindow::~NativeWindow() {
// Make sure we have the OnRenderViewDeleted message sent even when the window
// is destroyed directly.
DestroyWebContents();
// It's possible that the windows gets destroyed before it's closed, in that
// case we need to ensure the OnWindowClosed message is still notified.
NotifyWindowClosed();
@ -298,6 +302,17 @@ void NativeWindow::CapturePage(const gfx::Rect& rect,
}
void NativeWindow::DestroyWebContents() {
if (!inspectable_web_contents_)
return;
// The OnRenderViewDeleted is not called when the WebContents is destroyed
// directly (e.g. when closing the window), so we make sure it's always
// emitted to users by sending it before window is closed..
FOR_EACH_OBSERVER(NativeWindowObserver, observers_,
OnRenderViewDeleted(
GetWebContents()->GetRenderProcessHost()->GetID(),
GetWebContents()->GetRoutingID()));
inspectable_web_contents_.reset();
}
@ -351,14 +366,6 @@ void NativeWindow::NotifyWindowClosed() {
if (is_closed_)
return;
// The OnRenderViewDeleted is not called when the WebContents is destroyed
// directly (e.g. when closing the window), so we make sure it's always
// emitted to users by sending it before window is closed..
FOR_EACH_OBSERVER(NativeWindowObserver, observers_,
OnRenderViewDeleted(
GetWebContents()->GetRenderProcessHost()->GetID(),
GetWebContents()->GetRoutingID()));
is_closed_ = true;
FOR_EACH_OBSERVER(NativeWindowObserver, observers_, OnWindowClosed());
@ -444,6 +451,9 @@ void NativeWindow::MoveContents(content::WebContents* source,
}
void NativeWindow::CloseContents(content::WebContents* source) {
// Destroy the WebContents before we close the window.
DestroyWebContents();
// When the web contents is gone, close the window immediately, but the
// memory will not be freed until you call delete.
// In this way, it would be safe to manage windows via smart pointers. If you