diff options
Diffstat (limited to 'ui/views/cocoa/widget_owner_nswindow_adapter.h')
-rw-r--r-- | ui/views/cocoa/widget_owner_nswindow_adapter.h | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/ui/views/cocoa/widget_owner_nswindow_adapter.h b/ui/views/cocoa/widget_owner_nswindow_adapter.h new file mode 100644 index 0000000..6b10e39 --- /dev/null +++ b/ui/views/cocoa/widget_owner_nswindow_adapter.h @@ -0,0 +1,47 @@ +// Copyright 2015 The Chromium Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +#ifndef UI_VIEWS_COCOA_WIDGET_OWNER_NSWINDOW_ADAPTER_H_ +#define UI_VIEWS_COCOA_WIDGET_OWNER_NSWINDOW_ADAPTER_H_ + +#import "base/mac/scoped_nsobject.h" +#import "ui/views/cocoa/bridged_native_widget_owner.h" + +@class NSView; +@class WidgetOwnerNSWindowAdapterBridge; + +namespace views { + +// An adapter that allows a views::Widget to be owned by an NSWindow that is not +// backed by another BridgedNativeWidget. +class WidgetOwnerNSWindowAdapter : public BridgedNativeWidgetOwner { + public: + // Create an adapter that will own |child|, tying its lifetime with the + // NSWindow containing |anchor_view|. The object is self-deleting, via a call + // to RemoveChildWindow() made in child->OnWindowWillClose(). + WidgetOwnerNSWindowAdapter(BridgedNativeWidget* child, NSView* anchor_view); + + // Called when the owning window is closing. + void OnWindowWillClose(); + + // Overridden from BridgedNativeWidgetOwner: + NSWindow* GetNSWindow() override; + gfx::Vector2d GetChildWindowOffset() const override; + bool IsVisibleParent() const override; + void RemoveChildWindow(BridgedNativeWidget* child) override; + + private: + // Self-deleting. + ~WidgetOwnerNSWindowAdapter() override; + + BridgedNativeWidget* child_; // Weak. Owned by its NativeWidgetMac. + base::scoped_nsobject<NSView> anchor_view_; + base::scoped_nsobject<WidgetOwnerNSWindowAdapterBridge> observer_bridge_; + + DISALLOW_COPY_AND_ASSIGN(WidgetOwnerNSWindowAdapter); +}; + +} // namespace views + +#endif // UI_VIEWS_COCOA_WIDGET_OWNER_NSWINDOW_ADAPTER_H_ |