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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
* You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "VibrancyManager.h"
#import <objc/message.h>
#include "nsChildView.h"
using namespace mozilla;
@interface MOZVibrantView : NSVisualEffectView {
VibrancyType mType;
}
- (instancetype)initWithFrame:(NSRect)aRect
vibrancyType:(VibrancyType)aVibrancyType;
@end
@interface MOZVibrantLeafView : MOZVibrantView
@end
static NSVisualEffectState VisualEffectStateForVibrancyType(
VibrancyType aType) {
switch (aType) {
case VibrancyType::TOOLTIP:
case VibrancyType::MENU:
// Tooltip and menu windows are never "key", so we need to tell the
// vibrancy effect to look active regardless of window state.
return NSVisualEffectStateActive;
default:
return NSVisualEffectStateFollowsWindowActiveState;
}
}
static NSVisualEffectMaterial VisualEffectMaterialForVibrancyType(
VibrancyType aType, BOOL* aOutIsEmphasized) {
switch (aType) {
case VibrancyType::TOOLTIP:
return (NSVisualEffectMaterial)NSVisualEffectMaterialToolTip;
case VibrancyType::MENU:
return NSVisualEffectMaterialMenu;
}
}
@implementation MOZVibrantView
- (instancetype)initWithFrame:(NSRect)aRect vibrancyType:(VibrancyType)aType {
self = [super initWithFrame:aRect];
mType = aType;
self.appearance = nil;
self.state = VisualEffectStateForVibrancyType(mType);
BOOL isEmphasized = NO;
self.material = VisualEffectMaterialForVibrancyType(mType, &isEmphasized);
self.emphasized = isEmphasized;
return self;
}
// Don't override allowsVibrancy here, because this view may have subviews, and
// returning YES from allowsVibrancy forces on foreground vibrancy for all
// descendant views, which can have unintended effects.
@end
@implementation MOZVibrantLeafView
- (NSView*)hitTest:(NSPoint)aPoint {
// This view must be transparent to mouse events.
return nil;
}
// MOZVibrantLeafView does not have subviews, so we can return YES here without
// having unintended effects on other contents of the window.
- (BOOL)allowsVibrancy {
return NO;
}
@end
bool VibrancyManager::UpdateVibrantRegion(
VibrancyType aType, const LayoutDeviceIntRegion& aRegion) {
if (aRegion.IsEmpty()) {
return mVibrantRegions.Remove(uint32_t(aType));
}
auto& vr = *mVibrantRegions.GetOrInsertNew(uint32_t(aType));
return vr.UpdateRegion(aRegion, mCoordinateConverter, mContainerView, ^() {
return this->CreateEffectView(aType);
});
}
LayoutDeviceIntRegion VibrancyManager::GetUnionOfVibrantRegions() const {
LayoutDeviceIntRegion result;
for (const auto& region : mVibrantRegions.Values()) {
result.OrWith(region->Region());
}
return result;
}
/* static */ NSView* VibrancyManager::CreateEffectView(VibrancyType aType,
BOOL aIsContainer) {
return aIsContainer ? [[MOZVibrantView alloc] initWithFrame:NSZeroRect
vibrancyType:aType]
: [[MOZVibrantLeafView alloc] initWithFrame:NSZeroRect
vibrancyType:aType];
}
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