You've already forked CEF4Delphi
mirror of
https://github.com/salvadordf/CEF4Delphi.git
synced 2025-06-12 22:07:39 +02:00
FireMonkey support added
- New Delphi package called CEF4Delphi_FMX.dpk that includes VCL and FMX components. - New FMX comopnents : TFMXChromium, TFMXBufferPanel and TFMXWorkScheduler. - New FMX demo : FMXExternalPumpBrowser - Improved WorkScheduler for VCL too. - New GlobalCEFApp.DisableWebSecurity property.
This commit is contained in:
Salvador Díaz Fau
@ -52,35 +52,41 @@ uses
|
||||
{$ELSE}
|
||||
Windows, Messages, Classes, Controls, Graphics, Forms,
|
||||
{$ENDIF}
|
||||
uCEFTypes, uCEFInterfaces, uCEFLibFunctions, uCEFMiscFunctions, uCEFConstants;
|
||||
|
||||
const
|
||||
TIMER_NIDEVENT = 1;
|
||||
TIMER_DEPLETEWORK_CYCLES = 10;
|
||||
TIMER_DEPLETEWORK_DELAY = 50;
|
||||
uCEFConstants, uCEFWorkSchedulerThread;
|
||||
|
||||
type
|
||||
TCEFWorkScheduler = class(TComponent)
|
||||
protected
|
||||
FCompHandle : HWND;
|
||||
FThread : TCEFWorkSchedulerThread;
|
||||
FDepleteWorkCycles : cardinal;
|
||||
FDepleteWorkDelay : cardinal;
|
||||
FTimerPending : boolean;
|
||||
FIsActive : boolean;
|
||||
FReentrancyDetected : boolean;
|
||||
FDefaultInterval : integer;
|
||||
FStopped : boolean;
|
||||
{$IFDEF MSWINDOWS}
|
||||
{$WARN SYMBOL_PLATFORM OFF}
|
||||
FPriority : TThreadPriority;
|
||||
{$WARN SYMBOL_PLATFORM ON}
|
||||
{$ENDIF}
|
||||
|
||||
procedure WndProc(var aMessage: TMessage);
|
||||
function SendCompMessage(aMsg, wParam : cardinal; lParam : integer) : boolean;
|
||||
procedure CreateTimer(const delay_ms : int64);
|
||||
procedure TimerTimeout;
|
||||
procedure DoWork;
|
||||
procedure ScheduleWork(const delay_ms : int64);
|
||||
procedure DoMessageLoopWork;
|
||||
function PerformMessageLoopWork : boolean;
|
||||
procedure DestroyTimer;
|
||||
procedure CreateThread;
|
||||
procedure DestroyThread;
|
||||
procedure DeallocateWindowHandle;
|
||||
procedure DepleteWork;
|
||||
procedure WndProc(var aMessage: TMessage);
|
||||
procedure NextPulse(aInterval : integer);
|
||||
procedure ScheduleWork(const delay_ms : int64);
|
||||
procedure DoWork;
|
||||
procedure DoMessageLoopWork;
|
||||
|
||||
procedure SetDefaultInterval(aValue : integer);
|
||||
{$IFDEF MSWINDOWS}
|
||||
{$WARN SYMBOL_PLATFORM OFF}
|
||||
procedure SetPriority(aValue : TThreadPriority);
|
||||
{$WARN SYMBOL_PLATFORM ON}
|
||||
{$ENDIF}
|
||||
|
||||
procedure Thread_OnPulse(Sender : TObject);
|
||||
|
||||
public
|
||||
constructor Create(AOwner: TComponent); override;
|
||||
@ -89,11 +95,15 @@ type
|
||||
procedure ScheduleMessagePumpWork(const delay_ms : int64);
|
||||
procedure StopScheduler;
|
||||
|
||||
property IsTimerPending : boolean read FTimerPending;
|
||||
|
||||
published
|
||||
property DepleteWorkCycles : cardinal read FDepleteWorkCycles write FDepleteWorkCycles default TIMER_DEPLETEWORK_CYCLES;
|
||||
property DepleteWorkDelay : cardinal read FDepleteWorkDelay write FDepleteWorkDelay default TIMER_DEPLETEWORK_DELAY;
|
||||
{$IFDEF MSWINDOWS}
|
||||
{$WARN SYMBOL_PLATFORM OFF}
|
||||
property Priority : TThreadPriority read FPriority write SetPriority default tpNormal;
|
||||
{$WARN SYMBOL_PLATFORM ON}
|
||||
{$ENDIF}
|
||||
property DefaultInterval : integer read FDefaultInterval write SetDefaultInterval default CEF_TIMER_MAXDELAY;
|
||||
property DepleteWorkCycles : cardinal read FDepleteWorkCycles write FDepleteWorkCycles default CEF_TIMER_DEPLETEWORK_CYCLES;
|
||||
property DepleteWorkDelay : cardinal read FDepleteWorkDelay write FDepleteWorkDelay default CEF_TIMER_DEPLETEWORK_DELAY;
|
||||
end;
|
||||
|
||||
implementation
|
||||
@ -104,25 +114,29 @@ uses
|
||||
{$ELSE}
|
||||
SysUtils, Math,
|
||||
{$ENDIF}
|
||||
uCEFApplication;
|
||||
uCEFMiscFunctions, uCEFApplication;
|
||||
|
||||
|
||||
constructor TCEFWorkScheduler.Create(AOwner: TComponent);
|
||||
begin
|
||||
inherited Create(AOwner);
|
||||
|
||||
FThread := nil;
|
||||
FCompHandle := 0;
|
||||
FTimerPending := False;
|
||||
FIsActive := False;
|
||||
FReentrancyDetected := False;
|
||||
FStopped := False;
|
||||
FDepleteWorkCycles := TIMER_DEPLETEWORK_CYCLES;
|
||||
FDepleteWorkDelay := TIMER_DEPLETEWORK_DELAY;
|
||||
{$IFDEF MSWINDOWS}
|
||||
{$WARN SYMBOL_PLATFORM OFF}
|
||||
FPriority := tpNormal;
|
||||
{$WARN SYMBOL_PLATFORM ON}
|
||||
{$ENDIF}
|
||||
FDefaultInterval := CEF_TIMER_MAXDELAY;
|
||||
FDepleteWorkCycles := CEF_TIMER_DEPLETEWORK_CYCLES;
|
||||
FDepleteWorkDelay := CEF_TIMER_DEPLETEWORK_DELAY;
|
||||
end;
|
||||
|
||||
destructor TCEFWorkScheduler.Destroy;
|
||||
begin
|
||||
DestroyTimer;
|
||||
DestroyThread;
|
||||
DeallocateWindowHandle;
|
||||
|
||||
inherited Destroy;
|
||||
@ -133,35 +147,49 @@ begin
|
||||
inherited AfterConstruction;
|
||||
|
||||
if not(csDesigning in ComponentState) then
|
||||
FCompHandle := AllocateHWnd(WndProc);
|
||||
begin
|
||||
FCompHandle := AllocateHWnd(WndProc);
|
||||
CreateThread;
|
||||
end;
|
||||
end;
|
||||
|
||||
procedure TCEFWorkScheduler.CreateThread;
|
||||
begin
|
||||
FThread := TCEFWorkSchedulerThread.Create;
|
||||
{$IFDEF MSWINDOWS}
|
||||
FThread.Priority := FPriority;
|
||||
{$ENDIF}
|
||||
FThread.DefaultInterval := FDefaultInterval;
|
||||
FThread.OnPulse := Thread_OnPulse;
|
||||
{$IFDEF DELPHI8_UP}
|
||||
FThread.Start;
|
||||
{$ELSE}
|
||||
FThread.Resume;
|
||||
{$ENDIF}
|
||||
end;
|
||||
|
||||
procedure TCEFWorkScheduler.DestroyThread;
|
||||
begin
|
||||
try
|
||||
if (FThread <> nil) then
|
||||
begin
|
||||
FThread.Terminate;
|
||||
FThread.NextPulse(0);
|
||||
FThread.WaitFor;
|
||||
FreeAndNil(FThread);
|
||||
end;
|
||||
except
|
||||
on e : exception do
|
||||
if CustomExceptionHandler('TCEFWorkScheduler.DestroyThread', e) then raise;
|
||||
end;
|
||||
end;
|
||||
|
||||
procedure TCEFWorkScheduler.WndProc(var aMessage: TMessage);
|
||||
begin
|
||||
case aMessage.Msg of
|
||||
WM_TIMER : TimerTimeout;
|
||||
CEF_PUMPHAVEWORK : ScheduleWork(aMessage.lParam);
|
||||
else aMessage.Result := DefWindowProc(FCompHandle, aMessage.Msg, aMessage.WParam, aMessage.LParam);
|
||||
end;
|
||||
end;
|
||||
|
||||
function TCEFWorkScheduler.SendCompMessage(aMsg, wParam : cardinal; lParam : integer) : boolean;
|
||||
begin
|
||||
Result := not(FStopped) and (FCompHandle <> 0) and PostMessage(FCompHandle, aMsg, wParam, lParam);
|
||||
end;
|
||||
|
||||
procedure TCEFWorkScheduler.CreateTimer(const delay_ms : int64);
|
||||
begin
|
||||
if not(FTimerPending) and
|
||||
not(FStopped) and
|
||||
(delay_ms > 0) and
|
||||
(SetTimer(FCompHandle, TIMER_NIDEVENT, cardinal(delay_ms), nil) <> 0) then
|
||||
FTimerPending := True;
|
||||
end;
|
||||
|
||||
procedure TCEFWorkScheduler.DestroyTimer;
|
||||
begin
|
||||
if FTimerPending and KillTimer(FCompHandle, TIMER_NIDEVENT) then FTimerPending := False;
|
||||
if (aMessage.Msg = CEF_PUMPHAVEWORK) then
|
||||
ScheduleWork(aMessage.lParam)
|
||||
else
|
||||
aMessage.Result := DefWindowProc(FCompHandle, aMessage.Msg, aMessage.WParam, aMessage.LParam);
|
||||
end;
|
||||
|
||||
procedure TCEFWorkScheduler.DeallocateWindowHandle;
|
||||
@ -173,6 +201,27 @@ begin
|
||||
end;
|
||||
end;
|
||||
|
||||
procedure TCEFWorkScheduler.DoMessageLoopWork;
|
||||
begin
|
||||
if (GlobalCEFApp <> nil) then GlobalCEFApp.DoMessageLoopWork;
|
||||
end;
|
||||
|
||||
procedure TCEFWorkScheduler.SetDefaultInterval(aValue : integer);
|
||||
begin
|
||||
FDefaultInterval := aValue;
|
||||
if (FThread <> nil) then FThread.DefaultInterval := aValue;
|
||||
end;
|
||||
|
||||
{$IFDEF MSWINDOWS}
|
||||
{$WARN SYMBOL_PLATFORM OFF}
|
||||
procedure TCEFWorkScheduler.SetPriority(aValue : TThreadPriority);
|
||||
begin
|
||||
FPriority := aValue;
|
||||
if (FThread <> nil) then FThread.Priority := aValue;
|
||||
end;
|
||||
{$WARN SYMBOL_PLATFORM ON}
|
||||
{$ENDIF}
|
||||
|
||||
procedure TCEFWorkScheduler.DepleteWork;
|
||||
var
|
||||
i : cardinal;
|
||||
@ -189,78 +238,43 @@ end;
|
||||
|
||||
procedure TCEFWorkScheduler.ScheduleMessagePumpWork(const delay_ms : int64);
|
||||
begin
|
||||
SendCompMessage(CEF_PUMPHAVEWORK, 0, LPARAM(delay_ms));
|
||||
if not(FStopped) and (FCompHandle <> 0) then
|
||||
PostMessage(FCompHandle, CEF_PUMPHAVEWORK, 0, LPARAM(delay_ms));
|
||||
end;
|
||||
|
||||
procedure TCEFWorkScheduler.StopScheduler;
|
||||
begin
|
||||
FStopped := True;
|
||||
DestroyTimer;
|
||||
NextPulse(0);
|
||||
DepleteWork;
|
||||
DeallocateWindowHandle;
|
||||
end;
|
||||
|
||||
procedure TCEFWorkScheduler.TimerTimeout;
|
||||
procedure TCEFWorkScheduler.Thread_OnPulse(Sender: TObject);
|
||||
begin
|
||||
if not(FStopped) then
|
||||
begin
|
||||
DestroyTimer;
|
||||
DoWork;
|
||||
end;
|
||||
if not(FStopped) then DoMessageLoopWork;
|
||||
end;
|
||||
|
||||
procedure TCEFWorkScheduler.DoWork;
|
||||
var
|
||||
TempWasReentrant : boolean;
|
||||
begin
|
||||
TempWasReentrant := PerformMessageLoopWork;
|
||||
|
||||
if TempWasReentrant then
|
||||
ScheduleMessagePumpWork(0)
|
||||
else
|
||||
if not(IsTimerPending) then
|
||||
ScheduleMessagePumpWork(CEF_TIMER_DELAY_PLACEHOLDER);
|
||||
DoMessageLoopWork;
|
||||
NextPulse(FDefaultInterval);
|
||||
end;
|
||||
|
||||
procedure TCEFWorkScheduler.ScheduleWork(const delay_ms : int64);
|
||||
begin
|
||||
if FStopped or
|
||||
((delay_ms = CEF_TIMER_DELAY_PLACEHOLDER) and IsTimerPending) then
|
||||
exit;
|
||||
|
||||
DestroyTimer;
|
||||
|
||||
if (delay_ms <= 0) then
|
||||
DoWork
|
||||
else
|
||||
if (delay_ms > CEF_TIMER_MAXDELAY) then
|
||||
CreateTimer(CEF_TIMER_MAXDELAY)
|
||||
else
|
||||
CreateTimer(delay_ms);
|
||||
end;
|
||||
|
||||
procedure TCEFWorkScheduler.DoMessageLoopWork;
|
||||
begin
|
||||
if (GlobalCEFApp <> nil) then GlobalCEFApp.DoMessageLoopWork;
|
||||
end;
|
||||
|
||||
function TCEFWorkScheduler.PerformMessageLoopWork : boolean;
|
||||
begin
|
||||
Result := False;
|
||||
|
||||
if FIsActive then
|
||||
if not(FStopped) then
|
||||
begin
|
||||
FReentrancyDetected := True;
|
||||
exit;
|
||||
if (delay_ms <= 0) then
|
||||
DoWork
|
||||
else
|
||||
NextPulse(delay_ms);
|
||||
end;
|
||||
end;
|
||||
|
||||
FReentrancyDetected := False;
|
||||
|
||||
FIsActive := True;
|
||||
DoMessageLoopWork;
|
||||
FIsActive := False;
|
||||
|
||||
Result := FReentrancyDetected;
|
||||
procedure TCEFWorkScheduler.NextPulse(aInterval : integer);
|
||||
begin
|
||||
if (FThread <> nil) then FThread.NextPulse(aInterval);
|
||||
end;
|
||||
|
||||
end.
|
||||
|
||||
Reference in New Issue
Block a user