Add a FrameHostMsg_BeginNavigation IPC
[chromium-blink-merge.git] / ui / views / cocoa / bridged_native_widget.h
blob64cf81d71129b0974eccf1e128be71d3f9d4fcd9
1 // Copyright 2014 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
5 #ifndef UI_VIEWS_COCOA_BRIDGED_NATIVE_WIDGET_H_
6 #define UI_VIEWS_COCOA_BRIDGED_NATIVE_WIDGET_H_
8 #import <Cocoa/Cocoa.h>
10 #import "base/mac/scoped_nsobject.h"
11 #include "base/memory/scoped_ptr.h"
12 #import "ui/views/focus/focus_manager.h"
13 #include "ui/views/ime/input_method_delegate.h"
14 #include "ui/views/views_export.h"
15 #include "ui/views/widget/widget.h"
17 @class BridgedContentView;
18 @class ViewsNSWindowDelegate;
20 namespace ui {
21 class InputMethod;
24 namespace views {
26 class InputMethod;
27 class NativeWidgetMac;
28 class View;
30 // A bridge to an NSWindow managed by an instance of NativeWidgetMac or
31 // DesktopNativeWidgetMac. Serves as a helper class to bridge requests from the
32 // NativeWidgetMac to the Cocoa window. Behaves a bit like an aura::Window.
33 class VIEWS_EXPORT BridgedNativeWidget : public internal::InputMethodDelegate,
34 public FocusChangeListener {
35 public:
36 // Creates one side of the bridge. |parent| must not be NULL.
37 explicit BridgedNativeWidget(NativeWidgetMac* parent);
38 virtual ~BridgedNativeWidget();
40 // Initialize the bridge, "retains" ownership of |window|.
41 void Init(base::scoped_nsobject<NSWindow> window,
42 const Widget::InitParams& params);
44 // Sets or clears the focus manager to use for tracking focused views.
45 // This does NOT take ownership of |focus_manager|.
46 void SetFocusManager(FocusManager* focus_manager);
48 // Set or clears the views::View bridged by the content view. This does NOT
49 // take ownership of |view|.
50 void SetRootView(views::View* view);
52 // Called internally by the NSWindowDelegate when the window is closing.
53 void OnWindowWillClose();
55 // See widget.h for documentation.
56 InputMethod* CreateInputMethod();
57 ui::InputMethod* GetHostInputMethod();
59 NativeWidgetMac* native_widget_mac() { return native_widget_mac_; }
60 BridgedContentView* ns_view() { return bridged_view_; }
61 NSWindow* ns_window() { return window_; }
63 // Overridden from internal::InputMethodDelegate:
64 virtual void DispatchKeyEventPostIME(const ui::KeyEvent& key) OVERRIDE;
66 private:
67 // Closes all child windows. BridgedNativeWidget children will be destroyed.
68 void RemoveOrDestroyChildren();
70 views::NativeWidgetMac* native_widget_mac_; // Weak. Owns this.
71 base::scoped_nsobject<NSWindow> window_;
72 base::scoped_nsobject<ViewsNSWindowDelegate> window_delegate_;
73 base::scoped_nsobject<BridgedContentView> bridged_view_;
74 scoped_ptr<ui::InputMethod> input_method_;
75 FocusManager* focus_manager_; // Weak. Owned by our Widget.
77 // Overridden from FocusChangeListener:
78 virtual void OnWillChangeFocus(View* focused_before,
79 View* focused_now) OVERRIDE;
80 virtual void OnDidChangeFocus(View* focused_before,
81 View* focused_now) OVERRIDE;
83 DISALLOW_COPY_AND_ASSIGN(BridgedNativeWidget);
86 } // namespace views
88 #endif // UI_VIEWS_COCOA_BRIDGED_NATIVE_WIDGET_H_