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// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef UI_OZONE_PLATFORM_DRM_HOST_DRM_WINDOW_HOST_MANAGER_H_
#define UI_OZONE_PLATFORM_DRM_HOST_DRM_WINDOW_HOST_MANAGER_H_
#include <map>
#include <memory>
#include "base/memory/raw_ptr.h"
#include "ui/gfx/native_widget_types.h"
namespace gfx {
class Point;
}
namespace ui {
class DrmWindowHost;
// Responsible for keeping the mapping between the allocated widgets and
// windows.
class DrmWindowHostManager {
public:
DrmWindowHostManager();
DrmWindowHostManager(const DrmWindowHostManager&) = delete;
DrmWindowHostManager& operator=(const DrmWindowHostManager&) = delete;
~DrmWindowHostManager();
gfx::AcceleratedWidget NextAcceleratedWidget();
// Adds a window for |widget|. Note: |widget| should not be associated when
// calling this function.
void AddWindow(gfx::AcceleratedWidget widget, DrmWindowHost* window);
// Removes the window association for |widget|. Note: |widget| must be
// associated with a window when calling this function.
void RemoveWindow(gfx::AcceleratedWidget widget);
// Returns the window associated with |widget|. Note: This function should
// only be called if a valid window has been associated.
DrmWindowHost* GetWindow(gfx::AcceleratedWidget widget);
// Returns the window containing the specified screen location, or NULL.
DrmWindowHost* GetWindowAt(const gfx::Point& location);
// Returns a window. Probably the first one created.
DrmWindowHost* GetPrimaryWindow();
// Tries to set a given widget as the recipient for events. It will
// fail if there is already another widget as recipient.
void GrabEvents(gfx::AcceleratedWidget widget);
// Unsets a given widget as the recipient for events.
void UngrabEvents(gfx::AcceleratedWidget widget);
// Called when a mouse physicall moved into the |window|.
void MouseOnWindow(DrmWindowHost* window);
// Gets the current widget recipient of mouse events.
gfx::AcceleratedWidget event_grabber() const { return event_grabber_; }
private:
typedef std::map<gfx::AcceleratedWidget, DrmWindowHost*> WidgetToWindowMap;
gfx::AcceleratedWidget last_allocated_widget_ = 0;
WidgetToWindowMap window_map_;
raw_ptr<DrmWindowHost> window_mouse_currently_on_ = nullptr;
gfx::AcceleratedWidget event_grabber_ = gfx::kNullAcceleratedWidget;
};
} // namespace ui
#endif // UI_OZONE_PLATFORM_DRM_HOST_DRM_WINDOW_HOST_MANAGER_H_
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