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// Copyright 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.
#ifndef CHROME_BROWSER_UI_VIEWS_FRAME_IMMERSIVE_MODE_CONTROLLER_ASH_H_
#define CHROME_BROWSER_UI_VIEWS_FRAME_IMMERSIVE_MODE_CONTROLLER_ASH_H_
#include "chrome/browser/ui/views/frame/immersive_mode_controller.h"
#include "ash/wm/immersive_fullscreen_controller.h"
#include "ash/wm/window_state_observer.h"
#include "base/macros.h"
#include "base/memory/scoped_ptr.h"
#include "content/public/browser/notification_observer.h"
#include "content/public/browser/notification_registrar.h"
#include "ui/gfx/geometry/rect.h"
namespace aura {
class Window;
}
class ImmersiveModeControllerAsh
: public ImmersiveModeController,
public ash::ImmersiveFullscreenController::Delegate,
public ash::wm::WindowStateObserver,
public content::NotificationObserver {
public:
ImmersiveModeControllerAsh();
~ImmersiveModeControllerAsh() override;
// ImmersiveModeController overrides:
void Init(BrowserView* browser_view) override;
void SetEnabled(bool enabled) override;
bool IsEnabled() const override;
bool ShouldHideTabIndicators() const override;
bool ShouldHideTopViews() const override;
bool IsRevealed() const override;
int GetTopContainerVerticalOffset(
const gfx::Size& top_container_size) const override;
ImmersiveRevealedLock* GetRevealedLock(AnimateReveal animate_reveal) override
WARN_UNUSED_RESULT;
void OnFindBarVisibleBoundsChanged(
const gfx::Rect& new_visible_bounds_in_screen) override;
void SetupForTest() override;
private:
// Enables or disables observers for window restore and entering / exiting
// tab fullscreen.
void EnableWindowObservers(bool enable);
// Updates the browser root view's layout including window caption controls.
void LayoutBrowserRootView();
// Updates whether the tab strip is painted in a short "light bar" style.
// Returns true if the visibility of the tab indicators has changed.
bool UpdateTabIndicators();
// ImmersiveFullscreenController::Delegate overrides:
void OnImmersiveRevealStarted() override;
void OnImmersiveRevealEnded() override;
void OnImmersiveFullscreenExited() override;
void SetVisibleFraction(double visible_fraction) override;
std::vector<gfx::Rect> GetVisibleBoundsInScreen() const override;
// ash::wm::WindowStateObserver override:
void OnPostWindowStateTypeChange(ash::wm::WindowState* window_state,
ash::wm::WindowStateType old_type) override;
// content::NotificationObserver override:
void Observe(int type,
const content::NotificationSource& source,
const content::NotificationDetails& details) override;
scoped_ptr<ash::ImmersiveFullscreenController> controller_;
// Not owned.
BrowserView* browser_view_;
aura::Window* native_window_;
// True if the observers for window restore and entering / exiting tab
// fullscreen are enabled.
bool observers_enabled_;
// Whether a short "light bar" version of the tab strip should be painted when
// the top-of-window views are closed. If |use_tab_indicators_| is false, the
// tab strip is not painted at all when the top-of-window views are closed.
bool use_tab_indicators_;
// The current visible bounds of the find bar, in screen coordinates. This is
// an empty rect if the find bar is not visible.
gfx::Rect find_bar_visible_bounds_in_screen_;
// The fraction of the TopContainerView's height which is visible. Zero when
// the top-of-window views are not revealed regardless of
// |use_tab_indicators_|.
double visible_fraction_;
content::NotificationRegistrar registrar_;
DISALLOW_COPY_AND_ASSIGN(ImmersiveModeControllerAsh);
};
#endif // CHROME_BROWSER_UI_VIEWS_FRAME_IMMERSIVE_MODE_CONTROLLER_ASH_H_
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