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/*
* Copyright (C) 2021 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 "config.h"
#if WK_HAVE_C_SPI
#import "PlatformUtilities.h"
#import "Test.h"
#import "TestWKWebView.h"
#import "UserMediaCaptureUIDelegate.h"
#import <WebKit/WKPreferencesPrivate.h>
#import <WebKit/WKWebViewConfiguration.h>
#import <WebKit/WKWebViewConfigurationPrivate.h>
#import <WebKit/WKWebViewPrivate.h>
#import <wtf/RetainPtr.h>
#import <wtf/Seconds.h>
namespace TestWebKitAPI {
double waitForBufferSizeChange(WKWebView* webView, double oldSize)
{
int tries = 0;
do {
auto size = [webView stringByEvaluatingJavaScript:@"window.internals.currentAudioBufferSize()"].doubleValue;
if (size != oldSize)
return size;
TestWebKitAPI::Util::sleep(0.1);
} while (++tries <= 100);
ASSERT_NOT_REACHED();
return 0;
}
TEST(WebKit, AudioBufferSize)
{
auto configuration = adoptNS([[WKWebViewConfiguration alloc] init]);
auto context = adoptWK(TestWebKitAPI::Util::createContextForInjectedBundleTest("InternalsInjectedBundleTest"));
#if PLATFORM(IOS)
configuration.get().allowsInlineMediaPlayback = YES;
configuration.get()._inlineMediaPlaybackRequiresPlaysInlineAttribute = NO;
#endif
configuration.get()._mediaDataLoadsAutomatically = YES;
configuration.get().mediaTypesRequiringUserActionForPlayback = WKAudiovisualMediaTypeNone;
configuration.get().processPool = (WKProcessPool *)context.get();
configuration.get()._mediaCaptureEnabled = YES;
auto preferences = [configuration preferences];
preferences._mediaCaptureRequiresSecureConnection = NO;
preferences._mockCaptureDevicesEnabled = YES;
preferences._getUserMediaRequiresFocus = NO;
auto webView = adoptNS([[TestWKWebView alloc] initWithFrame:NSMakeRect(0, 0, 300, 300) configuration:configuration.get() addToWindow:YES]);
auto delegate = adoptNS([[UserMediaCaptureUIDelegate alloc] init]);
webView.get().UIDelegate = delegate.get();
[webView synchronouslyLoadTestPageNamed:@"audio-buffer-size"];
__block bool gotMessage = false;
[webView performAfterReceivingMessage:@"playing" action:^{ gotMessage = true; }];
[webView evaluateJavaScript:@"playVideo()" completionHandler:nil];
TestWebKitAPI::Util::run(&gotMessage);
auto bufferSizePlayingAudio = [webView stringByEvaluatingJavaScript:@"window.internals.currentAudioBufferSize()"].doubleValue;
[webView evaluateJavaScript:@"startCapture()" completionHandler:nil];
[delegate waitUntilPrompted];
auto bufferSizeCapturingAudio = waitForBufferSizeChange(webView.get(), bufferSizePlayingAudio);
ASSERT_LT(bufferSizeCapturingAudio, bufferSizePlayingAudio);
[webView evaluateJavaScript:@"createWebAudioNode()" completionHandler:nil];
auto bufferSizeWithWebAudio = waitForBufferSizeChange(webView.get(), bufferSizeCapturingAudio);
ASSERT_LT(bufferSizeWithWebAudio, bufferSizeCapturingAudio);
[webView evaluateJavaScript:@"disconnectWebAudioNode()" completionHandler:nil];
auto bufferSizeWithoutWebAudio = waitForBufferSizeChange(webView.get(), bufferSizeWithWebAudio);
ASSERT_GT(bufferSizeWithoutWebAudio, bufferSizeWithWebAudio);
ASSERT_EQ(bufferSizeWithoutWebAudio, bufferSizeCapturingAudio);
[webView evaluateJavaScript:@"stopCapture()" completionHandler:nil];
auto bufferSizeWithoutCapture = waitForBufferSizeChange(webView.get(), bufferSizeWithoutWebAudio);
ASSERT_GT(bufferSizeWithoutCapture, bufferSizeWithoutWebAudio);
ASSERT_EQ(bufferSizeWithoutCapture, bufferSizePlayingAudio);
[webView removeFromSuperview];
}
} // namespace TestWebKitAPI
#endif // WK_HAVE_C_SPI