private void getTweetVideoInfo(string currentDetectUrl, string currentDetectHTML)
{
List <String> keyVideoSentenceList = new List <String>();
int hitKeyVideoSentenceIndex = 0;
keyVideoSentenceList.Add("https://pbs.twimg.com/ext_tw_video_thumb");
keyVideoSentenceList.Add("https://pbs.twimg.com/tweet_video_thumb");
keyVideoSentenceList.Add("https://pbs.twimg.com/amplify_video_thumb");
keyVideoSentenceList.Add("https://pbs.twimg.com/media");
int videoThumbnailIndex = -1;
//本体のツイートの最初のクラスと、そのツイートの日時を示すクラスの間に制限する。
//こうすることで、リプライにぶら下がってる動画は無視できるようになる。
string targetTweetArticleHTML = TLExtensionWebView.getSubstringBetweenStartAndEnd(currentDetectHTML,
"css-1dbjc4n r-psjefw", "css-1dbjc4n r-1h1bdhe", false, false);
if (!targetTweetArticleHTML.Contains("埋め込み動画"))
{
//そのツイートに動画はない
return;
}
foreach (String key in keyVideoSentenceList)
{
videoThumbnailIndex = targetTweetArticleHTML.IndexOf(key);
if (videoThumbnailIndex != -1)
{
break;
}
hitKeyVideoSentenceIndex++;
}
int idIndex = currentDetectUrl.IndexOf("/status/");
if (idIndex != -1)
{
String tweetId = currentDetectUrl.Substring(idIndex + "/status/".Length);
if (videoThumbnailIndex != -1)
{
String videoThumbnailSentence = targetTweetArticleHTML.Substring(videoThumbnailIndex);
int videoCloseIndex1 = videoThumbnailSentence.IndexOf("?");
int videoCloseIndex2 = videoThumbnailSentence.IndexOf("\"");
int videoThumbnailCloseIndex = (videoCloseIndex1 < videoCloseIndex2 ? videoCloseIndex1 : videoCloseIndex2);
if (videoThumbnailCloseIndex != -1)
{
string currentImageUrl = videoThumbnailSentence.Substring(0, videoThumbnailCloseIndex);
if (!currentImageUrl.Contains(".jpg"))
{
currentImageUrl = currentImageUrl + ".jpg";
}
if (detectImageUrl != currentImageUrl)
{
detectImageUrl = currentImageUrl;
detectMediaFileName = tweetId + "_video.mp4";
//URL取得のためにTweetIDを取得しておく
detectVideoUrl = tweetId;
}
}
isVideo = true;
}
}
}
private void makeUI()
{
StackLayout buttonLayout = new StackLayout();
buttonLayout.Orientation = StackOrientation.Horizontal;
Button reloadButton = new Button();
reloadButton.HeightRequest = 50;
reloadButton.Text = "Reload";
reloadButton.HorizontalOptions = LayoutOptions.FillAndExpand;
reloadButton.IsEnabled = true;
reloadButton.Pressed += reloadButtonPressed;
copyLinkButton = new Button();
copyLinkButton.Text = "Copy Link";
copyLinkButton.HorizontalOptions = LayoutOptions.FillAndExpand;
copyLinkButton.IsEnabled = true;
copyLinkButton.Pressed += copyLinkButtonPressed;
imageDownloadButton = new Button();
imageDownloadButton.HeightRequest = 50;
imageDownloadButton.Text = "DL Image →";
imageDownloadButton.HorizontalOptions = LayoutOptions.FillAndExpand;
imageDownloadButton.IsEnabled = false;
imageDownloadButton.Pressed += imageDownloadButtonPressed;
detectImageSource = new Image();
detectImageSource.HeightRequest = 50;
detectImageSource.WidthRequest = 50;
buttonLayout.Children.Add(reloadButton);
buttonLayout.Children.Add(copyLinkButton);
buttonLayout.Children.Add(imageDownloadButton);
buttonLayout.Children.Add(detectImageSource);
loadingIndicator = new ActivityIndicator();
loadingIndicator.HeightRequest = 50;
loadingIndicator.Color = new Color(0, 190.0 / 255.0, 1.0);
loadingIndicator.IsRunning = false;
loadingIndicator.IsVisible = false;
web = new TLExtensionWebView(loadingIndicator);
web.VerticalOptions = LayoutOptions.FillAndExpand;
StackLayout layout = new StackLayout();
layout.Orientation = StackOrientation.Vertical;
layout.HorizontalOptions = LayoutOptions.FillAndExpand;
layout.Children.Add(buttonLayout);
layout.Children.Add(loadingIndicator);
layout.Children.Add(web);
Content = layout;
}
private void getTweetImageInfo(string currentDetectUrl, string currentDetectHTML)
{
int imagePageNum = -1;
int.TryParse(currentDetectUrl.Substring(currentDetectUrl.Length - 1, 1), out imagePageNum);
if (imagePageNum != -1)
{
String keyImageUrlSentence = "https://pbs.twimg.com/media/";
String tmpPageHTML = String.Copy(currentDetectHTML);
int imageUrlIndex = -1;
for (int idx = 0; idx < imagePageNum - 1; idx++)
{
for (int tmpCount = 0; tmpCount < 2; tmpCount++)
{
imageUrlIndex = tmpPageHTML.IndexOf(keyImageUrlSentence);
if (imageUrlIndex != -1)
{
tmpPageHTML = tmpPageHTML.Substring(imageUrlIndex + keyImageUrlSentence.Length);
}
}
}
string currentImageUrl = TLExtensionWebView.getSubstringBetweenStartAndEnd(tmpPageHTML,
keyImageUrlSentence, """, true, false);
if (currentImageUrl != "")
{
currentImageUrl = currentImageUrl.Replace("&", "&");
if (detectImageUrl != currentImageUrl)
{
String tweetId = TLExtensionWebView.getSubstringBetweenStartAndEnd(currentDetectUrl, "/status/", "/", false, false);
string extension = TLExtensionWebView.getSubstringBetweenStartAndEnd(currentImageUrl, "format=", "&", false, false);
if (tweetId != "" && extension != "")
{
detectMediaFileName = tweetId + "_" + imagePageNum.ToString() + "." + extension;
}
else
{
detectMediaFileName = DateTime.Now.ToString("yyyyMMdd_HHmmss") + ".jpg";
}
detectImageUrl = currentImageUrl;
}
}
}
isVideo = false;
}
private void getProfileImageInfo(string currentDetectUrl, string currentDetectHTML, string keyImageUrlSentence)
{
String tmpPageHTML = String.Copy(currentDetectHTML);
string currentImageUrl = TLExtensionWebView.getSubstringBetweenStartAndEnd(tmpPageHTML,
keyImageUrlSentence, """, true, false);
if (currentImageUrl != "")
{
if (detectImageUrl != currentImageUrl)
{
String userId = "";
if (keyImageUrlSentence == "https://pbs.twimg.com/profile_images/")
{
userId = TLExtensionWebView.getSubstringBetweenStartAndEnd(currentDetectUrl, "/mobile.twitter.com/", "/photo", false, false);
}
else if (keyImageUrlSentence == "https://pbs.twimg.com/profile_banners/")
{
userId = TLExtensionWebView.getSubstringBetweenStartAndEnd(currentDetectUrl, "/mobile.twitter.com/", "/header_photo", false, false);
}
if (userId == "")
{
userId = DateTime.Now.ToString("yyyyMMdd_HHmmss");
}
if (keyImageUrlSentence == "https://pbs.twimg.com/profile_images/")
{
detectMediaFileName = userId + "_icon.jpg";
}
else if (keyImageUrlSentence == "https://pbs.twimg.com/profile_banners/")
{
detectMediaFileName = userId + "_header.jpg";
}
else
{
detectMediaFileName = userId + "_other.jpg";
}
detectImageUrl = currentImageUrl;
}
}
isVideo = false;
}
