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// Copyright 2016 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#import "chrome/browser/ui/cocoa/fullscreen/fullscreen_toolbar_controller.h"
#include "base/command_line.h"
#include "base/feature_list.h"
#include "base/memory/raw_ptr.h"
#include "chrome/browser/profiles/profile.h"
#import "chrome/browser/ui/cocoa/fullscreen/fullscreen_menubar_tracker.h"
#import "chrome/browser/ui/cocoa/fullscreen/fullscreen_toolbar_animation_controller.h"
#import "chrome/browser/ui/cocoa/fullscreen/fullscreen_toolbar_mouse_tracker.h"
#import "chrome/browser/ui/views/frame/browser_view.h"
#include "chrome/common/chrome_switches.h"
#include "chrome/common/pref_names.h"
#include "components/remote_cocoa/app_shim/native_widget_ns_window_bridge.h"
#include "ui/gfx/native_widget_types.h"
#include "ui/views/cocoa/native_widget_mac_ns_window_host.h"
@implementation FullscreenToolbarController {
// Whether or not we are in fullscreen mode.
BOOL _inFullscreenMode;
// Updates the fullscreen toolbar layout for changes in the menubar. This
// object is only set when the browser is in fullscreen mode.
FullscreenMenubarTracker* __strong _menubarTracker;
// Manages the toolbar animations for the TOOLBAR_HIDDEN style.
std::unique_ptr<FullscreenToolbarAnimationController> _animationController;
// When the menu bar and toolbar are visible, creates a tracking area which
// is used to keep them visible until the mouse moves far enough away from
// them. Only set when the browser is in fullscreen mode.
FullscreenToolbarMouseTracker* __strong _mouseTracker;
// The style of the fullscreen toolbar.
FullscreenToolbarStyle _toolbarStyle;
raw_ptr<BrowserView> _browserView; // weak
}
- (instancetype)initWithBrowserView:(BrowserView*)browserView {
if ((self = [super init])) {
_browserView = browserView;
_animationController =
std::make_unique<FullscreenToolbarAnimationController>(self);
}
return self;
}
- (void)dealloc {
DCHECK(!_inFullscreenMode);
}
- (void)enterFullscreenMode {
if (_inFullscreenMode) {
return;
}
_inFullscreenMode = YES;
_menubarTracker = [[FullscreenMenubarTracker alloc]
initWithFullscreenToolbarController:self];
_mouseTracker = [[FullscreenToolbarMouseTracker alloc]
initWithFullscreenToolbarController:self];
}
- (void)exitFullscreenMode {
if (!_inFullscreenMode) {
return;
}
_inFullscreenMode = NO;
_animationController->StopAnimationAndTimer();
[[NSNotificationCenter defaultCenter] removeObserver:self];
_menubarTracker = nil;
_mouseTracker = nil;
}
- (void)revealToolbarForWebContents:(content::WebContents*)contents
inForeground:(BOOL)inForeground {
_animationController->AnimateToolbarForTabstripChanges(contents,
inForeground);
}
- (CGFloat)toolbarFraction {
// Visibility fractions for the menubar and toolbar.
constexpr CGFloat kHideFraction = 0.0;
constexpr CGFloat kShowFraction = 1.0;
if (base::CommandLine::ForCurrentProcess()->HasSwitch(switches::kKioskMode)) {
return kHideFraction;
}
switch (_toolbarStyle) {
case FullscreenToolbarStyle::TOOLBAR_PRESENT:
return kShowFraction;
case FullscreenToolbarStyle::TOOLBAR_NONE:
return kHideFraction;
case FullscreenToolbarStyle::TOOLBAR_HIDDEN:
if (_animationController->IsAnimationRunning()) {
return _animationController->GetToolbarFractionFromProgress();
}
if ([self mustShowFullscreenToolbar]) {
return kShowFraction;
}
return [_menubarTracker menubarFraction];
}
}
- (FullscreenToolbarStyle)toolbarStyle {
return _toolbarStyle;
}
- (BOOL)mustShowFullscreenToolbar {
if (!_inFullscreenMode) {
return NO;
}
if (_toolbarStyle == FullscreenToolbarStyle::TOOLBAR_PRESENT) {
return YES;
}
if (_toolbarStyle == FullscreenToolbarStyle::TOOLBAR_NONE) {
return NO;
}
return [_menubarTracker state] == FullscreenMenubarState::SHOWN;
}
- (void)updateToolbarFrame:(NSRect)frame {
if (_mouseTracker) {
[_mouseTracker updateToolbarFrame:frame];
}
}
- (void)layoutToolbar {
_browserView->DeprecatedLayoutImmediately();
_animationController->ToolbarDidUpdate();
[_mouseTracker updateTrackingArea];
}
- (BOOL)isInFullscreen {
return _inFullscreenMode;
}
- (FullscreenMenubarTracker*)menubarTracker {
return _menubarTracker;
}
- (void)setToolbarStyle:(FullscreenToolbarStyle)style {
_toolbarStyle = style;
}
- (BOOL)isInAnyFullscreenMode {
return _browserView->IsFullscreen();
}
- (BOOL)isFullscreenTransitionInProgress {
auto* host = views::NativeWidgetMacNSWindowHost::GetFromNativeWindow(
gfx::NativeWindow([self window]));
if (auto* bridge = host->GetInProcessNSWindowBridge()) {
return bridge->in_fullscreen_transition();
}
DLOG(ERROR) << "TODO(crbug.com/41431787): Support fullscreen "
"transitions for RemoteMacViews PWA windows.";
return false;
}
- (NSWindow*)window {
return _browserView->GetNativeWindow().GetNativeNSWindow();
}
@end
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