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The SubProcess demo now uses an external unit to create and destroy GlobalCEFApp

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This commit is contained in:
Salvador Díaz Fau 2018-06-18 17:01:44 +02:00
parent bf402109bf
commit 09161b19e1
3 changed files with 105 additions and 37 deletions
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51
demos/SubProcess/SimpleBrowser.dpr
View File

@ -46,51 +46,28 @@ uses
{$ELSE}
Forms,
Windows,
{$ENDIF}
{$ENDIF }
uCEFApplication,
uSimpleBrowser in 'uSimpleBrowser.pas' {Form1};
uSimpleBrowser in 'uSimpleBrowser.pas' {Form1},
uCEFLoader in 'uCEFLoader.pas';
{$R *.res}
// CEF3 needs to set the LARGEADDRESSAWARE flag which allows 32-bit processes to use up to 3GB of RAM.
// If you don't add this flag the rederer process will crash when you try to load large images.
// The IMAGE_FILE_LARGE_ADDRESS_AWARE constant is declared in WinApi.Windows. If you don't want to add
// WinApi.Windows to the 'uses' section in this file just replace the following line by
// {$SetPEFlags $20}
{$SetPEFlags IMAGE_FILE_LARGE_ADDRESS_AWARE}
begin
GlobalCEFApp := TCefApplication.Create;
// This demo has the GlobalCEFApp creation, initialization and destruction in uCEFLoader.pas
// Read the code comments in uCEFLoader.pas for more details.
// In case you want to use custom directories for the CEF3 binaries, cache, cookies and user data.
// If you don't set a cache directory the browser will use in-memory cache.
{
GlobalCEFApp.FrameworkDirPath := 'cef';
GlobalCEFApp.ResourcesDirPath := 'cef';
GlobalCEFApp.LocalesDirPath := 'cef\locales';
GlobalCEFApp.cache := 'cef\cache';
GlobalCEFApp.cookies := 'cef\cookies';
GlobalCEFApp.UserDataPath := 'cef\User Data';
}
GlobalCEFApp.BrowserSubprocessPath := 'SubProcess.exe';
// Follow these steps to test this demo :
// 1. Build the SubProcess project in this directory.
// 2. Copy the CEF binaries to the BIN directory in CEF4Delphi.
// 3. Build this project : SimpleBrowser
// 4. Run this demo : SimpleBrowser
// You *MUST* call GlobalCEFApp.StartMainProcess in a if..then clause
// with the Application initialization inside the begin..end.
// Read this https://www.briskbard.com/index.php?lang=en&pageid=cef
if GlobalCEFApp.StartMainProcess then
begin
Application.Initialize;
{$IFDEF DELPHI11_UP}
Application.MainFormOnTaskbar := True;
{$ENDIF}
Application.CreateForm(TForm1, Form1);
Application.Run;
end;
GlobalCEFApp.Free;
GlobalCEFApp := nil;
Application.Initialize;
{$IFDEF DELPHI11_UP}
Application.MainFormOnTaskbar := True;
{$ENDIF}
Application.CreateForm(TForm1, Form1);
Application.Run;
end.

7
demos/SubProcess/SimpleBrowser.dproj
View File

@ -134,6 +134,7 @@
<DCCReference Include="uSimpleBrowser.pas">
<Form>Form1</Form>
</DCCReference>
<DCCReference Include="uCEFLoader.pas"/>
<BuildConfiguration Include="Release">
<Key>Cfg_2</Key>
<CfgParent>Base</CfgParent>
@ -162,6 +163,12 @@
</Delphi.Personality>
<Deployment Version="3">
<DeployFile LocalName="Win32\Debug\SimpleBrowser.exe" Configuration="Debug" Class="ProjectOutput"/>
<DeployFile LocalName="..\..\bin\SimpleBrowser.exe" Configuration="Debug" Class="ProjectOutput">
<Platform Name="Win32">
<RemoteName>SimpleBrowser.exe</RemoteName>
<Overwrite>true</Overwrite>
</Platform>
</DeployFile>
<DeployClass Name="AdditionalDebugSymbols">
<Platform Name="iOSSimulator">
<Operation>1</Operation>

84
demos/SubProcess/uCEFLoader.pas Normal file
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@ -0,0 +1,84 @@
// ************************************************************************
// ***************************** CEF4Delphi *******************************
// ************************************************************************
//
// CEF4Delphi is based on DCEF3 which uses CEF3 to embed a chromium-based
// browser in Delphi applications.
//
// The original license of DCEF3 still applies to CEF4Delphi.
//
// For more information about CEF4Delphi visit :
// https://www.briskbard.com/index.php?lang=en&pageid=cef
//
// Copyright © 2018 Salvador Diaz Fau. All rights reserved.
//
// ************************************************************************
// ************ vvvv Original license and comments below vvvv *************
// ************************************************************************
(*
* Delphi Chromium Embedded 3
*
* Usage allowed under the restrictions of the Lesser GNU General Public License
* or alternatively the restrictions of the Mozilla Public License 1.1
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for
* the specific language governing rights and limitations under the License.
*
* Unit owner : Henri Gourvest <hgourvest@gmail.com>
* Web site : http://www.progdigy.com
* Repository : http://code.google.com/p/delphichromiumembedded/
* Group : http://groups.google.com/group/delphichromiumembedded
*
* Embarcadero Technologies, Inc is not permitted to use or redistribute
* this source code without explicit permission.
*
*)
unit uCEFLoader;
interface
implementation
uses
uCEFApplication;
// Follow these steps to test this demo :
// 1. Build the SubProcess project in this directory.
// 2. Copy the CEF binaries to the BIN directory in CEF4Delphi.
// 3. Build this project : SimpleBrowser
// 4. Run this demo : SimpleBrowser
procedure CreateGlobalCEFApp;
begin
GlobalCEFApp := TCefApplication.Create;
// In case you want to use custom directories for the CEF3 binaries, cache, cookies and user data.
// If you don't set a cache directory the browser will use in-memory cache.
// The cache, cookies and user data directories must be writable.
{
GlobalCEFApp.FrameworkDirPath := 'cef';
GlobalCEFApp.ResourcesDirPath := 'cef';
GlobalCEFApp.LocalesDirPath := 'cef\locales';
GlobalCEFApp.cache := 'cef\cache';
GlobalCEFApp.cookies := 'cef\cookies';
GlobalCEFApp.UserDataPath := 'cef\User Data';
}
GlobalCEFApp.BrowserSubprocessPath := 'SubProcess.exe';
// This demo uses a different EXE for the subprocesses.
// With this configuration it's not necessary to have the
// GlobalCEFApp.StartMainProcess call in a if..then clause.
GlobalCEFApp.StartMainProcess;
end;
initialization
CreateGlobalCEFApp;
finalization
DestroyGlobalCEFApp;
end.