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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.
#include "ash/ash_export.h"
#include "ash/frame/caption_buttons/caption_button_model.h"
#include "ash/public/cpp/immersive/immersive_fullscreen_controller_delegate.h"
#include "ash/shell.h"
#include "ash/shell_observer.h"
#include "ui/aura/window_observer.h"
#include "ui/display/display_observer.h"
#include "ui/views/widget/widget_delegate.h"
namespace views {
class Widget;
namespace ash {
class HeaderView;
class ImmersiveFullscreenController;
// WideFrameView is used for the case where the widget's
// maximzed/fullscreen doesn't cover the entire workarea/display area
// but the caption frame should occupy the full width and placed at the top
// of the display.
// TODO(oshima): Currently client is responsible for hooking this up to
// the target widget because ImmersiveFullscreenController is not owned by
// CustomFrameViewAsh. Investigate if we integrate this into
// CustomFrameViewAsh.
class ASH_EXPORT WideFrameView
: public views::WidgetDelegateView,
public aura::WindowObserver,
public display::DisplayObserver,
public ash::ImmersiveFullscreenControllerDelegate,
public ash::ShellObserver {
// Creates wide frame for |target| widget. It's caller's responsibility
// to Close when the wide frame is no longer necessary.
static WideFrameView* Create(views::Widget* target);
// Initialize |immersive_fullscreen_controller| so that the controller reveals
// and |hides_header_| in immersive mode.
void Init(ash::ImmersiveFullscreenController* controller);
// Show/Closes the frame.
void Show();
void Close();
// Set the caption model for caption buttions on this frame.
void SetCaptionButtonModel(std::unique_ptr<ash::CaptionButtonModel> mode);
ash::HeaderView* header_view() { return header_view_; }
static gfx::Rect GetFrameBounds(views::Widget* target);
WideFrameView(views::Widget* target, views::Widget* frame_widget);
~WideFrameView() override;
// views::View:
void Layout() override;
void OnMouseEvent(ui::MouseEvent* event) override;
// aura::WindowObserver:
void OnWindowDestroying(aura::Window* window) override;
// display::DisplayObserver:
void OnDisplayMetricsChanged(const display::Display& display,
uint32_t changed_metrics) override;
// ash::ImmersiveFullscreenControllerDelegate:
void OnImmersiveRevealStarted() override;
void OnImmersiveRevealEnded() override;
void OnImmersiveFullscreenEntered() override;
void OnImmersiveFullscreenExited() override;
void SetVisibleFraction(double visible_fraction) override;
std::vector<gfx::Rect> GetVisibleBoundsInScreen() const override;
// ash::ShellObserver:
void OnOverviewModeStarting() override;
void OnOverviewModeEnded() override;
ash::HeaderView* GetTargetHeaderView();
// The target widget this frame will control.
views::Widget* target_;
// The widget that hosts the wide frame.
views::Widget* widget_;
ash::HeaderView* header_view_ = nullptr;
} // namespace ash