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// Copyright 2018 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_EXO_FULLSCREEN_SHELL_SURFACE_H_
#define COMPONENTS_EXO_FULLSCREEN_SHELL_SURFACE_H_
#include "components/exo/surface_observer.h"
#include "components/exo/surface_tree_host.h"
#include "ui/accessibility/ax_node_data.h"
#include "ui/accessibility/ax_tree_id.h"
#include "ui/aura/window_observer.h"
#include "ui/views/widget/widget_delegate.h"
namespace exo {
class Surface;
// This class implements a toplevel fullscreen surface for which position
// and state are managed by the shell.
class FullscreenShellSurface : public SurfaceTreeHost,
public SurfaceObserver,
public aura::WindowObserver,
public views::WidgetDelegate {
public:
FullscreenShellSurface();
~FullscreenShellSurface() override;
// Set the callback to run when the user wants the shell surface to be closed.
// The receiver can chose to not close the window on this signal.
void set_close_callback(const base::RepeatingClosure& close_callback) {
close_callback_ = close_callback;
}
// Set the callback to run when the surface is destroyed.
void set_surface_destroyed_callback(
base::OnceClosure surface_destroyed_callback) {
surface_destroyed_callback_ = std::move(surface_destroyed_callback);
}
// Set the application ID for the surface
void SetApplicationId(const char* startup_id);
// Set the startup ID for the surface.
void SetStartupId(const char* startup_id);
// Set the Surface in use. Will replace root_surface_ if a surface is
// currently set. Will remove root_surface_ if |surface| is nullptr.
void SetSurface(Surface* surface);
void Maximize();
void Minimize();
void Close();
// SurfaceDelegate:
void OnSurfaceCommit() override;
bool IsInputEnabled(Surface* surface) const override;
void OnSetFrame(SurfaceFrameType type) override;
void OnSetFrameColors(SkColor active_color, SkColor inactive_color) override;
void OnSetStartupId(const char* startup_id) override;
void OnSetApplicationId(const char* application_id) override;
// SurfaceObserver:
void OnSurfaceDestroying(Surface* surface) override;
// views::WidgetDelegate:
bool CanResize() const override;
bool CanMaximize() const override;
bool CanMinimize() const override;
bool ShouldShowWindowTitle() const override;
void WindowClosing() override;
views::Widget* GetWidget() override;
const views::Widget* GetWidget() const override;
views::View* GetContentsView() override;
bool WidgetHasHitTestMask() const override;
void GetWidgetHitTestMask(SkPath* mask) const override;
// aura::WindowObserver:
void OnWindowDestroying(aura::Window* window) override;
void SetChildAxTreeId(ui::AXTreeID child_ax_tree_id);
void SetEnabled(bool enabled);
void GetAccessibleNodeData(ui::AXNodeData* node_data);
private:
class FullscreenShellView;
// Keep the bounds in sync with the root surface bounds.
void UpdateHostWindowBounds() override;
void CreateFullscreenShellSurfaceWidget(ui::WindowShowState show_state);
void CommitWidget();
bool OnPreWidgetCommit();
views::Widget* widget_ = nullptr;
aura::Window* parent_ = nullptr;
base::Optional<std::string> application_id_;
base::Optional<std::string> startup_id_;
base::RepeatingClosure close_callback_;
base::OnceClosure surface_destroyed_callback_;
FullscreenShellView* contents_view_ = nullptr;
DISALLOW_COPY_AND_ASSIGN(FullscreenShellSurface);
};
} // namespace exo
#endif // COMPONENTS_EXO_FULLSCREEN_SHELL_SURFACE_H
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