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Update to CEF 74.1.16

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- Copied the GlobalCEFApp_OnWebKitInitializedEvent fix for D2007 made by jepp to other demos.
- Added TChromium.DownloadImage and TChromium.OnDownloadImageFinished to download images
- Added a TChromium.DownloadImage example to the MiniBrowser demo.
- Modified some parameters in TCefImageRef
This commit is contained in:
Salvador Díaz Fau
2019-05-11 15:40:19 +02:00
parent dc56584556
commit 59f3441b1e
17 changed files with 257 additions and 38 deletions
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34
source/uCEFFMXChromium.pas
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@ -223,6 +223,7 @@ type
FOnCookiesDeleted : TOnCookiesDeletedEvent;
FOnResolvedHostAvailable : TOnResolvedIPsAvailableEvent;
FOnNavigationVisitorResultAvailable : TOnNavigationVisitorResultAvailableEvent;
FOnDownloadImageFinished : TOnDownloadImageFinishedEvent;
{$IFDEF MSWINDOWS}
FOnBrowserCompMsg : TOnCompMsgEvent;
FOnWidgetCompMsg : TOnCompMsgEvent;
@ -453,6 +454,7 @@ type
function doSavePreferences : boolean; virtual;
procedure doResolvedHostAvailable(result: TCefErrorCode; const resolvedIps: TStrings); virtual;
function doNavigationVisitorResultAvailable(const entry: ICefNavigationEntry; current: Boolean; index, total: Integer) : boolean; virtual;
procedure doDownloadImageFinished(const imageUrl: ustring; httpStatusCode: Integer; const image: ICefImage);
public
constructor Create(AOwner: TComponent); override;
@ -480,6 +482,7 @@ type
procedure ReloadIgnoreCache;
procedure StopLoad;
procedure StartDownload(const aURL : ustring);
procedure DownloadImage(const imageUrl: ustring; isFavicon: Boolean; maxImageSize: cardinal; bypassCache: Boolean);
procedure SimulateMouseWheel(aDeltaX, aDeltaY : integer);
function DeleteCookies(const url : ustring = ''; const cookieName : ustring = '') : boolean;
@ -619,6 +622,7 @@ type
property OnCookiesDeleted : TOnCookiesDeletedEvent read FOnCookiesDeleted write FOnCookiesDeleted;
property OnResolvedHostAvailable : TOnResolvedIPsAvailableEvent read FOnResolvedHostAvailable write FOnResolvedHostAvailable;
property OnNavigationVisitorResultAvailable : TOnNavigationVisitorResultAvailableEvent read FOnNavigationVisitorResultAvailable write FOnNavigationVisitorResultAvailable;
property OnDownloadImageFinishedEvent : TOnDownloadImageFinishedEvent read FOnDownloadImageFinished write FOnDownloadImageFinished;
{$IFDEF MSWINDOWS}
property OnBrowserCompMsg : TOnCompMsgEvent read FOnBrowserCompMsg write FOnBrowserCompMsg;
property OnWidgetCompMsg : TOnCompMsgEvent read FOnWidgetCompMsg write FOnWidgetCompMsg;
@ -736,7 +740,7 @@ uses
uCEFBrowser, uCEFValue, uCEFDictionaryValue, uCEFStringMultimap, uCEFFrame,
uCEFApplication, uCEFProcessMessage, uCEFRequestContext,
uCEFPDFPrintCallback, uCEFResolveCallback, uCEFDeleteCookiesCallback, uCEFStringVisitor,
uCEFListValue, uCEFNavigationEntryVisitor;
uCEFListValue, uCEFNavigationEntryVisitor, uCEFDownloadImageCallBack;
constructor TFMXChromium.Create(AOwner: TComponent);
begin
@ -1045,6 +1049,7 @@ begin
FOnCookiesDeleted := nil;
FOnResolvedHostAvailable := nil;
FOnNavigationVisitorResultAvailable := nil;
FOnDownloadImageFinished := nil;
end;
function TFMXChromium.CreateBrowser(const aWindowName : ustring;
@ -1512,6 +1517,25 @@ begin
if Initialized then FBrowser.Host.StartDownload(aURL);
end;
// Use the OnDownloadImageFinished event to receive the image
procedure TFMXChromium.DownloadImage(const imageUrl : ustring;
isFavicon : boolean;
maxImageSize : cardinal;
bypassCache : boolean);
var
TempCallback : ICefDownloadImageCallback;
begin
try
if Initialized and (FBrowser.Host <> nil) then
begin
TempCallback := TCefCustomDownloadImageCallback.Create(self);
FBrowser.Host.DownloadImage(imageUrl, isFavicon, maxImageSize, bypassCache, TempCallback);
end;
finally
TempCallback := nil;
end;
end;
function TFMXChromium.GetIsLoading : boolean;
begin
Result := Initialized and FBrowser.IsLoading;
@ -2681,6 +2705,14 @@ begin
FOnNavigationVisitorResultAvailable(entry, current, index, total, Result);
end;
procedure TFMXChromium.doDownloadImageFinished(const imageUrl : ustring;
httpStatusCode : Integer;
const image : ICefImage);
begin
if assigned(FOnDownloadImageFinished) then
FOnDownloadImageFinished(self, imageUrl, httpStatusCode, image);
end;
function TFMXChromium.MustCreateLoadHandler : boolean;
begin
Result := assigned(FOnLoadStart) or