blob: de4a731299a8203c36840c40d2655b1261a0c292 [file] [log] [blame]
// Copyright (c) 2012 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 <stdint.h>
#include "ash/app_list/presenter/app_list_presenter_delegate.h"
#include "ash/ash_export.h"
#include "ash/keyboard/ui/keyboard_controller_observer.h"
#include "base/macros.h"
#include "base/scoped_observer.h"
#include "ui/display/display_observer.h"
#include "ui/events/event_handler.h"
namespace app_list {
class AppListPresenterImpl;
class AppListView;
class AppListViewDelegate;
} // namespace app_list
namespace display {
class Screen;
} // namespace display
namespace ui {
class LocatedEvent;
} // namespace ui
namespace ash {
class AppListControllerImpl;
// Responsible for laying out the app list UI as well as updating the Shelf
// launch icon as the state of the app list changes. Listens to shell events
// and touches/mouse clicks outside the app list to auto dismiss the UI or
// update its layout as necessary.
class ASH_EXPORT AppListPresenterDelegateImpl
: public app_list::AppListPresenterDelegate,
public ui::EventHandler,
public display::DisplayObserver {
explicit AppListPresenterDelegateImpl(AppListControllerImpl* controller);
~AppListPresenterDelegateImpl() override;
// app_list::AppListPresenterDelegate:
void SetPresenter(app_list::AppListPresenterImpl* presenter) override;
void Init(app_list::AppListView* view,
int64_t display_id,
int current_apps_page) override;
void OnShown(int64_t display_id) override;
void OnClosing() override;
void OnClosed() override;
gfx::Vector2d GetVisibilityAnimationOffset(
aura::Window* root_window) override;
base::TimeDelta GetVisibilityAnimationDuration(aura::Window* root_window,
bool is_visible) override;
bool IsTabletMode() const override;
app_list::AppListViewDelegate* GetAppListViewDelegate() override;
bool GetOnScreenKeyboardShown() override;
aura::Window* GetRootWindowForDisplayId(int64_t display_id) override;
void OnVisibilityChanged(bool visible, int64_t display_id) override;
void OnTargetVisibilityChanged(bool visible) override;
// DisplayObserver overrides:
void OnDisplayMetricsChanged(const display::Display& display,
uint32_t changed_metrics) override;
void ProcessLocatedEvent(ui::LocatedEvent* event);
// ui::EventHandler overrides:
void OnMouseEvent(ui::MouseEvent* event) override;
void OnGestureEvent(ui::GestureEvent* event) override;
void OnKeyEvent(ui::KeyEvent* event) override;
// Snaps the app list window bounds to fit the screen size. (See
void SnapAppListBoundsToDisplayEdge();
// Whether the app list is visible (or in the process of being shown).
bool is_visible_ = false;
// Not owned. Pointer is guaranteed to be valid while this object is alive.
app_list::AppListPresenterImpl* presenter_;
// Owned by its widget.
app_list::AppListView* view_ = nullptr;
// Not owned, owns this class.
AppListControllerImpl* const controller_ = nullptr;
// An observer that notifies AppListView when the display has changed.
ScopedObserver<display::Screen, display::DisplayObserver> display_observer_;
} // namespace ash