Tools/MiniBrowser/mac/SettingsController.m

/*
 * Copyright (C) 2014 Apple Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
 * THE POSSIBILITY OF SUCH DAMAGE.
 */

#import "SettingsController.h"

#import "AppDelegate.h"
#import "BrowserWindowController.h"

static NSString * const defaultURL = @"http://www.webkit.org/";
static NSString * const DefaultURLPreferenceKey = @"DefaultURL";

static NSString * const UseWebKit2ByDefaultPreferenceKey = @"UseWebKit2ByDefault";
static NSString * const LayerBordersVisiblePreferenceKey = @"LayerBordersVisible";
static NSString * const TiledScrollingIndicatorVisiblePreferenceKey = @"TiledScrollingIndicatorVisible";

static NSString * const UseTransparentWindowsPreferenceKey = @"UseTransparentWindows";
static NSString * const UsePaginatedModePreferenceKey = @"UsePaginatedMode";
static NSString * const EnableSubPixelCSSOMMetricsPreferenceKey = @"EnableSubPixelCSSOMMetrics";

// This default name intentionally overlaps with the key that WebKit2 checks when creating a view.
static NSString * const UseRemoteLayerTreeDrawingAreaPreferenceKey = @"WebKit2UseRemoteLayerTreeDrawingArea";

@implementation SettingsController

@synthesize menu=_menu;

+ (instancetype)shared
{
    static SettingsController *sharedSettingsController;
    static dispatch_once_t onceToken;
    dispatch_once(&onceToken, ^{
        sharedSettingsController = [[super alloc] init];
    });

    return sharedSettingsController;
}

- (NSMenu *)menu
{
    if (!_menu)
        [self _populateMenu];

    return _menu;
}

- (void)_addItemWithTitle:(NSString *)title action:(SEL)action indented:(BOOL)indented
{
    NSMenuItem *item = [[NSMenuItem alloc] initWithTitle:title action:action keyEquivalent:@""];
    [item setTarget:self];
    if (indented)
        [item setIndentationLevel:1];
    [_menu addItem:item];
    [item release];
}

- (void)_addHeaderWithTitle:(NSString *)title
{
    [_menu addItem:[NSMenuItem separatorItem]];
    [_menu addItem:[[[NSMenuItem alloc] initWithTitle:title action:nil keyEquivalent:@""] autorelease]];
}

- (void)_populateMenu
{
    _menu = [[NSMenu alloc] initWithTitle:@"Settings"];

    [self _addItemWithTitle:@"Use WebKit2 By Default" action:@selector(toggleUseWebKit2ByDefault:) indented:NO];

    [_menu addItem:[NSMenuItem separatorItem]];

    [self _addItemWithTitle:@"Use Transparent Windows" action:@selector(toggleUseTransparentWindows:) indented:NO];
    [self _addItemWithTitle:@"Use Paginated Mode" action:@selector(toggleUsePaginatedMode:) indented:NO];
    [self _addItemWithTitle:@"Show Layer Borders" action:@selector(toggleShowLayerBorders:) indented:NO];

    [self _addHeaderWithTitle:@"WebKit2-only Settings"];
    [self _addItemWithTitle:@"Show Tiled Scrolling Indicator" action:@selector(toggleShowTiledScrollingIndicator:) indented:YES];
    [self _addItemWithTitle:@"Use UI-Side Compositing" action:@selector(toggleUseUISideCompositing:) indented:YES];

    [self _addHeaderWithTitle:@"WebKit1-only Settings"];
    [self _addItemWithTitle:@"Enable Subpixel CSSOM Metrics" action:@selector(toggleEnableSubPixelCSSOMMetrics:) indented:YES];
}

- (BOOL)validateMenuItem:(NSMenuItem *)menuItem
{
    SEL action = [menuItem action];

    if (action == @selector(toggleUseWebKit2ByDefault:))
        [menuItem setState:[self useWebKit2ByDefault] ? NSOnState : NSOffState];
    else if (action == @selector(toggleUseTransparentWindows:))
        [menuItem setState:[self useTransparentWindows] ? NSOnState : NSOffState];
    else if (action == @selector(toggleUsePaginatedMode:))
        [menuItem setState:[self usePaginatedMode] ? NSOnState : NSOffState];
    else if (action == @selector(toggleShowLayerBorders:))
        [menuItem setState:[self layerBordersVisible] ? NSOnState : NSOffState];
    else if (action == @selector(toggleShowTiledScrollingIndicator:))
        [menuItem setState:[self tiledScrollingIndicatorVisible] ? NSOnState : NSOffState];
    else if (action == @selector(toggleUseUISideCompositing:))
        [menuItem setState:[self useUISideCompositing] ? NSOnState : NSOffState];
    else if (action == @selector(toggleEnableSubPixelCSSOMMetrics:))
        [menuItem setState:[self subPixelCSSOMMetricsEnabled] ? NSOnState : NSOffState];

    return YES;
}

- (void)_toggleBooleanDefault:(NSString *)defaultName
{
    NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults];
    [defaults setBool:![defaults boolForKey:defaultName] forKey:defaultName];

    [(BrowserAppDelegate *)[NSApp delegate] didChangeSettings];
}

- (void)toggleUseWebKit2ByDefault:(id)sender
{
    [self _toggleBooleanDefault:UseWebKit2ByDefaultPreferenceKey];
}

- (BOOL)useWebKit2ByDefault
{
    return [[NSUserDefaults standardUserDefaults] boolForKey:UseWebKit2ByDefaultPreferenceKey];
}

- (void)toggleUseTransparentWindows:(id)sender
{
    [self _toggleBooleanDefault:UseTransparentWindowsPreferenceKey];
}

- (BOOL)useTransparentWindows
{
    return [[NSUserDefaults standardUserDefaults] boolForKey:UseTransparentWindowsPreferenceKey];
}

- (void)toggleUsePaginatedMode:(id)sender
{
    [self _toggleBooleanDefault:UsePaginatedModePreferenceKey];
}

- (BOOL)usePaginatedMode
{
    return [[NSUserDefaults standardUserDefaults] boolForKey:UsePaginatedModePreferenceKey];
}

- (void)toggleUseUISideCompositing:(id)sender
{
    [self _toggleBooleanDefault:UseRemoteLayerTreeDrawingAreaPreferenceKey];
}

- (BOOL)useUISideCompositing
{
    return [[NSUserDefaults standardUserDefaults] boolForKey:UseRemoteLayerTreeDrawingAreaPreferenceKey];
}

- (void)toggleShowLayerBorders:(id)sender
{
    [self _toggleBooleanDefault:LayerBordersVisiblePreferenceKey];
}

- (BOOL)layerBordersVisible
{
    return [[NSUserDefaults standardUserDefaults] boolForKey:LayerBordersVisiblePreferenceKey];
}

- (void)toggleShowTiledScrollingIndicator:(id)sender
{
    [self _toggleBooleanDefault:TiledScrollingIndicatorVisiblePreferenceKey];
}

- (BOOL)tiledScrollingIndicatorVisible
{
    return [[NSUserDefaults standardUserDefaults] boolForKey:TiledScrollingIndicatorVisiblePreferenceKey];
}

- (void)toggleEnableSubPixelCSSOMMetrics:(id)sender
{
    [self _toggleBooleanDefault:EnableSubPixelCSSOMMetricsPreferenceKey];
}

- (BOOL)subPixelCSSOMMetricsEnabled
{
    return [[NSUserDefaults standardUserDefaults] boolForKey:EnableSubPixelCSSOMMetricsPreferenceKey];
}

- (NSString *)defaultURL
{
    NSString *customDefaultURL = [[NSUserDefaults standardUserDefaults] stringForKey:DefaultURLPreferenceKey];
    if (customDefaultURL)
        return customDefaultURL;
    return defaultURL;
}

@end