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Diffstat (limited to 'chromium/components/mus/public/cpp/window_observer.h')
-rw-r--r-- | chromium/components/mus/public/cpp/window_observer.h | 110 |
1 files changed, 0 insertions, 110 deletions
diff --git a/chromium/components/mus/public/cpp/window_observer.h b/chromium/components/mus/public/cpp/window_observer.h deleted file mode 100644 index f1dc27913d7..00000000000 --- a/chromium/components/mus/public/cpp/window_observer.h +++ /dev/null @@ -1,110 +0,0 @@ -// Copyright 2014 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 COMPONENTS_MUS_PUBLIC_CPP_WINDOW_OBSERVER_H_ -#define COMPONENTS_MUS_PUBLIC_CPP_WINDOW_OBSERVER_H_ - -#include <stdint.h> - -#include <vector> - -#include "components/mus/public/cpp/window.h" - -namespace mus { - -class Window; - -// A note on -ing and -ed suffixes: -// -// -ing methods are called before changes are applied to the local window model. -// -ed methods are called after changes are applied to the local window model. -// -// If the change originated from another connection to the window manager, it's -// possible that the change has already been applied to the service-side model -// prior to being called, so for example in the case of OnWindowDestroying(), -// it's possible the window has already been destroyed on the service side. - -class WindowObserver { - public: - struct TreeChangeParams { - TreeChangeParams(); - Window* target; - Window* old_parent; - Window* new_parent; - Window* receiver; - }; - - virtual void OnTreeChanging(const TreeChangeParams& params) {} - virtual void OnTreeChanged(const TreeChangeParams& params) {} - - virtual void OnWindowReordering(Window* window, - Window* relative_window, - mojom::OrderDirection direction) {} - virtual void OnWindowReordered(Window* window, - Window* relative_window, - mojom::OrderDirection direction) {} - - virtual void OnWindowDestroying(Window* window) {} - virtual void OnWindowDestroyed(Window* window) {} - - virtual void OnWindowBoundsChanging(Window* window, - const gfx::Rect& old_bounds, - const gfx::Rect& new_bounds) {} - virtual void OnWindowBoundsChanged(Window* window, - const gfx::Rect& old_bounds, - const gfx::Rect& new_bounds) {} - virtual void OnWindowLostCapture(Window* window) {} - virtual void OnWindowClientAreaChanged( - Window* window, - const gfx::Insets& old_client_area, - const std::vector<gfx::Rect>& old_additional_client_areas) {} - - virtual void OnWindowFocusChanged(Window* gained_focus, Window* lost_focus) {} - - virtual void OnWindowPredefinedCursorChanged(Window* window, - mojom::Cursor cursor) {} - virtual void OnWindowVisibilityChanging(Window* window) {} - virtual void OnWindowVisibilityChanged(Window* window) {} - virtual void OnWindowOpacityChanged(Window* window, - float old_opacity, - float new_opacity) {} - - // Invoked when this Window's shared properties have changed. This can either - // be caused by SetSharedProperty() being called locally, or by us receiving - // a mojo message that this property has changed. If this property has been - // added, |old_data| is null. If this property was removed, |new_data| is - // null. - virtual void OnWindowSharedPropertyChanged( - Window* window, - const std::string& name, - const std::vector<uint8_t>* old_data, - const std::vector<uint8_t>* new_data) {} - - // Invoked when SetProperty() or ClearProperty() is called on the window. - // |key| is either a WindowProperty<T>* (SetProperty, ClearProperty). Either - // way, it can simply be compared for equality with the property - // constant. |old| is the old property value, which must be cast to the - // appropriate type before use. - virtual void OnWindowLocalPropertyChanged(Window* window, - const void* key, - intptr_t old) {} - - virtual void OnWindowEmbeddedAppDisconnected(Window* window) {} - - // Sent when the drawn state changes. This is only sent for the root nodes - // when embedded. - virtual void OnWindowDrawnChanging(Window* window) {} - virtual void OnWindowDrawnChanged(Window* window) {} - - // The WindowManager has requested the window to close. If the observer - // allows the close it should destroy the window as appropriate. - virtual void OnRequestClose(Window* window) {} - - protected: - virtual ~WindowObserver() {} -}; - -} // namespace mus - -#endif // COMPONENTS_MUS_PUBLIC_CPP_WINDOW_OBSERVER_H_ |