/*
 * Copyright (C) 2015 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.
 */

#include "config.h"

#import "PlatformUtilities.h"
#import <WebKit/WKWebViewPrivate.h>
#import <wtf/RetainPtr.h>

#if WK_API_ENABLED && !PLATFORM(IOS)

static bool shrinkToFitDone;
static bool shrinkToFitAfterNavigationDone;
static bool shrinkToFitDisabledDone;

@interface ShrinkToFitNavigationDelegate : NSObject <WKNavigationDelegate>
@end

@implementation ShrinkToFitNavigationDelegate

- (void)webView:(WKWebView *)webView didFinishNavigation:(WKNavigation *)navigation
{
    // After loading a wide page, the view should be scaled to fit the width of the document.
    [webView evaluateJavaScript:@"document.body.clientWidth" completionHandler:^(id result, NSError *error) {
        EXPECT_EQ(808, [result integerValue]);
        shrinkToFitAfterNavigationDone = true;
    }];
}

@end

TEST(WebKit2, ShrinkToFit)
{
    RetainPtr<WKWebView> webView = adoptNS([[WKWebView alloc] initWithFrame:NSMakeRect(0, 0, 100, 100)]);

    ShrinkToFitNavigationDelegate *delegate = [[ShrinkToFitNavigationDelegate alloc] init];
    [webView setNavigationDelegate:delegate];

    [webView evaluateJavaScript:@"document.body.clientWidth" completionHandler:^(id result, NSError *error) {
        EXPECT_EQ(100, [result integerValue]);

        [webView _setLayoutMode:_WKLayoutModeDynamicSizeComputedFromMinimumDocumentSize];
        shrinkToFitDone = true;
    }];

    TestWebKitAPI::Util::run(&shrinkToFitDone);

    NSURLRequest *request = [NSURLRequest requestWithURL:[[NSBundle mainBundle] URLForResource:@"lots-of-text" withExtension:@"html" subdirectory:@"TestWebKitAPI.resources"]];
    [webView loadRequest:request];

    TestWebKitAPI::Util::run(&shrinkToFitAfterNavigationDone);

    [webView _setLayoutMode:_WKLayoutModeViewSize];
    [webView evaluateJavaScript:@"document.body.clientWidth" completionHandler:^(id result, NSError *error) {
        EXPECT_EQ(100, [result integerValue]);
        shrinkToFitDisabledDone = true;
    }];

    TestWebKitAPI::Util::run(&shrinkToFitDisabledDone);
}

#endif