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Issue #1751 -- Remove cocoa and uikit widget support code

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Moonchild 2021-05-08 21:00:49 +00:00 • committed by roytam1
commit 3a4e65f1de
165 changed files with 4 additions and 42109 deletions
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widget/cocoa/nsCocoaUtils.h
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@ -1,389 +0,0 @@
/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef nsCocoaUtils_h_
#define nsCocoaUtils_h_
#import <Cocoa/Cocoa.h>
#include "nsRect.h"
#include "imgIContainer.h"
#include "npapi.h"
#include "nsTArray.h"
#include "Units.h"
// This must be the last include:
#include "nsObjCExceptions.h"
#include "mozilla/EventForwards.h"
// Declare the backingScaleFactor method that we want to call
// on NSView/Window/Screen objects, if they recognize it.
@interface NSObject (BackingScaleFactorCategory)
- (CGFloat)backingScaleFactor;
@end
#if !defined(MAC_OS_X_VERSION_10_8) || MAC_OS_X_VERSION_MAX_ALLOWED < MAC_OS_X_VERSION_10_8
enum {
NSEventPhaseMayBegin = 0x1 << 5
};
#endif
class nsIWidget;
namespace mozilla {
namespace gfx {
class SourceSurface;
} // namespace gfx
} // namespace mozilla
// Used to retain a Cocoa object for the remainder of a method's execution.
class nsAutoRetainCocoaObject {
public:
explicit nsAutoRetainCocoaObject(id anObject)
{
mObject = NS_OBJC_TRY_EXPR_ABORT([anObject retain]);
}
~nsAutoRetainCocoaObject()
{
NS_OBJC_TRY_ABORT([mObject release]);
}
private:
id mObject; // [STRONG]
};
// Provide a local autorelease pool for the remainder of a method's execution.
class nsAutoreleasePool {
public:
nsAutoreleasePool()
{
mLocalPool = [[NSAutoreleasePool alloc] init];
}
~nsAutoreleasePool()
{
[mLocalPool release];
}
private:
NSAutoreleasePool *mLocalPool;
};
@interface NSApplication (Undocumented)
// Present in all versions of OS X from (at least) 10.2.8 through 10.5.
- (BOOL)_isRunningModal;
- (BOOL)_isRunningAppModal;
// It's sometimes necessary to explicitly remove a window from the "window
// cache" in order to deactivate it. The "window cache" is an undocumented
// subsystem, all of whose methods are included in the NSWindowCache category
// of the NSApplication class (in header files generated using class-dump).
// Present in all versions of OS X from (at least) 10.2.8 through 10.5.
- (void)_removeWindowFromCache:(NSWindow *)aWindow;
// Send an event to the current Cocoa app-modal session. Present in all
// versions of OS X from (at least) 10.2.8 through 10.5.
- (void)_modalSession:(NSModalSession)aSession sendEvent:(NSEvent *)theEvent;
@end
struct KeyBindingsCommand
{
SEL selector;
id data;
};
@interface NativeKeyBindingsRecorder : NSResponder
{
@private
nsTArray<KeyBindingsCommand>* mCommands;
}
- (void)startRecording:(nsTArray<KeyBindingsCommand>&)aCommands;
- (void)doCommandBySelector:(SEL)aSelector;
- (void)insertText:(id)aString;
@end // NativeKeyBindingsRecorder
class nsCocoaUtils
{
typedef mozilla::gfx::SourceSurface SourceSurface;
typedef mozilla::LayoutDeviceIntPoint LayoutDeviceIntPoint;
typedef mozilla::LayoutDeviceIntRect LayoutDeviceIntRect;
public:
// Get the backing scale factor from an object that supports this selector
// (NSView/Window/Screen, on 10.7 or later), returning 1.0 if not supported
static CGFloat
GetBackingScaleFactor(id aObject)
{
if (HiDPIEnabled() &&
[aObject respondsToSelector:@selector(backingScaleFactor)]) {
return [aObject backingScaleFactor];
}
return 1.0;
}
// Conversions between Cocoa points and device pixels, given the backing
// scale factor from a view/window/screen.
static int32_t
CocoaPointsToDevPixels(CGFloat aPts, CGFloat aBackingScale)
{
return NSToIntRound(aPts * aBackingScale);
}
static LayoutDeviceIntPoint
CocoaPointsToDevPixels(const NSPoint& aPt, CGFloat aBackingScale)
{
return LayoutDeviceIntPoint(NSToIntRound(aPt.x * aBackingScale),
NSToIntRound(aPt.y * aBackingScale));
}
static LayoutDeviceIntPoint
CocoaPointsToDevPixelsRoundDown(const NSPoint& aPt, CGFloat aBackingScale)
{
return LayoutDeviceIntPoint(NSToIntFloor(aPt.x * aBackingScale),
NSToIntFloor(aPt.y * aBackingScale));
}
static LayoutDeviceIntRect
CocoaPointsToDevPixels(const NSRect& aRect, CGFloat aBackingScale)
{
return LayoutDeviceIntRect(NSToIntRound(aRect.origin.x * aBackingScale),
NSToIntRound(aRect.origin.y * aBackingScale),
NSToIntRound(aRect.size.width * aBackingScale),
NSToIntRound(aRect.size.height * aBackingScale));
}
static CGFloat
DevPixelsToCocoaPoints(int32_t aPixels, CGFloat aBackingScale)
{
return (CGFloat)aPixels / aBackingScale;
}
static NSPoint
DevPixelsToCocoaPoints(const mozilla::LayoutDeviceIntPoint& aPt,
CGFloat aBackingScale)
{
return NSMakePoint((CGFloat)aPt.x / aBackingScale,
(CGFloat)aPt.y / aBackingScale);
}
// Implements an NSPoint equivalent of -[NSWindow convertRectFromScreen:].
static NSPoint
ConvertPointFromScreen(NSWindow* aWindow, const NSPoint& aPt)
{
return [aWindow convertRectFromScreen:NSMakeRect(aPt.x, aPt.y, 0, 0)].origin;
}
// Implements an NSPoint equivalent of -[NSWindow convertRectToScreen:].
static NSPoint
ConvertPointToScreen(NSWindow* aWindow, const NSPoint& aPt)
{
return [aWindow convertRectToScreen:NSMakeRect(aPt.x, aPt.y, 0, 0)].origin;
}
static NSRect
DevPixelsToCocoaPoints(const LayoutDeviceIntRect& aRect,
CGFloat aBackingScale)
{
return NSMakeRect((CGFloat)aRect.x / aBackingScale,
(CGFloat)aRect.y / aBackingScale,
(CGFloat)aRect.width / aBackingScale,
(CGFloat)aRect.height / aBackingScale);
}
// Returns the given y coordinate, which must be in screen coordinates,
// flipped from Gecko to Cocoa or Cocoa to Gecko.
static float FlippedScreenY(float y);
// The following functions come in "DevPix" variants that work with
// backing-store (device pixel) coordinates, as well as the original
// versions that expect coordinates in Cocoa points/CSS pixels.
// The difference becomes important in HiDPI display modes, where Cocoa
// points and backing-store pixels are no longer 1:1.
// Gecko rects (nsRect) contain an origin (x,y) in a coordinate
// system with (0,0) in the top-left of the primary screen. Cocoa rects
// (NSRect) contain an origin (x,y) in a coordinate system with (0,0)
// in the bottom-left of the primary screen. Both nsRect and NSRect
// contain width/height info, with no difference in their use.
// This function does no scaling, so the Gecko coordinates are
// expected to be desktop pixels, which are equal to Cocoa points
// (by definition).
static NSRect GeckoRectToCocoaRect(const mozilla::DesktopIntRect &geckoRect);
// Converts aGeckoRect in dev pixels to points in Cocoa coordinates
static NSRect
GeckoRectToCocoaRectDevPix(const mozilla::LayoutDeviceIntRect &aGeckoRect,
CGFloat aBackingScale);
// See explanation for geckoRectToCocoaRect, guess what this does...
static mozilla::DesktopIntRect CocoaRectToGeckoRect(const NSRect &cocoaRect);
static mozilla::LayoutDeviceIntRect CocoaRectToGeckoRectDevPix(
const NSRect& aCocoaRect, CGFloat aBackingScale);
// Gives the location for the event in screen coordinates. Do not call this
// unless the window the event was originally targeted at is still alive!
// anEvent may be nil -- in that case the current mouse location is returned.
static NSPoint ScreenLocationForEvent(NSEvent* anEvent);
// Determines if an event happened over a window, whether or not the event
// is for the window. Does not take window z-order into account.
static BOOL IsEventOverWindow(NSEvent* anEvent, NSWindow* aWindow);
// Events are set up so that their coordinates refer to the window to which they
// were originally sent. If we reroute the event somewhere else, we'll have
// to get the window coordinates this way. Do not call this unless the window
// the event was originally targeted at is still alive!
static NSPoint EventLocationForWindow(NSEvent* anEvent, NSWindow* aWindow);
// Compatibility wrappers for the -[NSEvent phase], -[NSEvent momentumPhase],
// -[NSEvent hasPreciseScrollingDeltas] and -[NSEvent scrollingDeltaX/Y] APIs
// that became availaible starting with the 10.7 SDK.
// All of these can be removed once we drop support for 10.6.
static NSEventPhase EventPhase(NSEvent* aEvent);
static NSEventPhase EventMomentumPhase(NSEvent* aEvent);
static BOOL IsMomentumScrollEvent(NSEvent* aEvent);
static BOOL HasPreciseScrollingDeltas(NSEvent* aEvent);
static void GetScrollingDeltas(NSEvent* aEvent, CGFloat* aOutDeltaX, CGFloat* aOutDeltaY);
static BOOL EventHasPhaseInformation(NSEvent* aEvent);
// Hides the Menu bar and the Dock. Multiple hide/show requests can be nested.
static void HideOSChromeOnScreen(bool aShouldHide);
static nsIWidget* GetHiddenWindowWidget();
static void PrepareForNativeAppModalDialog();
static void CleanUpAfterNativeAppModalDialog();
// 3 utility functions to go from a frame of imgIContainer to CGImage and then to NSImage
// Convert imgIContainer -> CGImageRef, caller owns result
/** Creates a <code>CGImageRef</code> from a frame contained in an <code>imgIContainer</code>.
Copies the pixel data from the indicated frame of the <code>imgIContainer</code> into a new <code>CGImageRef</code>.
The caller owns the <code>CGImageRef</code>.
@param aFrame the frame to convert
@param aResult the resulting CGImageRef
@return NS_OK if the conversion worked, NS_ERROR_FAILURE otherwise
*/
static nsresult CreateCGImageFromSurface(SourceSurface* aSurface,
CGImageRef* aResult);
/** Creates a Cocoa <code>NSImage</code> from a <code>CGImageRef</code>.
Copies the pixel data from the <code>CGImageRef</code> into a new <code>NSImage</code>.
The caller owns the <code>NSImage</code>.
@param aInputImage the image to convert
@param aResult the resulting NSImage
@return NS_OK if the conversion worked, NS_ERROR_FAILURE otherwise
*/
static nsresult CreateNSImageFromCGImage(CGImageRef aInputImage, NSImage **aResult);
/** Creates a Cocoa <code>NSImage</code> from a frame of an <code>imgIContainer</code>.
Combines the two methods above. The caller owns the <code>NSImage</code>.
@param aImage the image to extract a frame from
@param aWhichFrame the frame to extract (see imgIContainer FRAME_*)
@param aResult the resulting NSImage
@param scaleFactor the desired scale factor of the NSImage (2 for a retina display)
@return NS_OK if the conversion worked, NS_ERROR_FAILURE otherwise
*/
static nsresult CreateNSImageFromImageContainer(imgIContainer *aImage, uint32_t aWhichFrame, NSImage **aResult, CGFloat scaleFactor);
/**
* Returns nsAString for aSrc.
*/
static void GetStringForNSString(const NSString *aSrc, nsAString& aDist);
/**
* Makes NSString instance for aString.
*/
static NSString* ToNSString(const nsAString& aString);
/**
* Returns NSRect for aGeckoRect.
* Just copies values between the two types; it does no coordinate-system
* conversion, so both rects must have the same coordinate origin/direction.
*/
static void GeckoRectToNSRect(const nsIntRect& aGeckoRect,
NSRect& aOutCocoaRect);
/**
* Returns Gecko rect for aCocoaRect.
* Just copies values between the two types; it does no coordinate-system
* conversion, so both rects must have the same coordinate origin/direction.
*/
static void NSRectToGeckoRect(const NSRect& aCocoaRect,
nsIntRect& aOutGeckoRect);
/**
* Makes NSEvent instance for aEventTytpe and aEvent.
*/
static NSEvent* MakeNewCocoaEventWithType(NSEventType aEventType,
NSEvent *aEvent);
/**
* Initializes aNPCocoaEvent.
*/
static void InitNPCocoaEvent(NPCocoaEvent* aNPCocoaEvent);
/**
* Initializes WidgetInputEvent for aNativeEvent or aModifiers.
*/
static void InitInputEvent(mozilla::WidgetInputEvent &aInputEvent,
NSEvent* aNativeEvent);
/**
* Converts the native modifiers from aNativeEvent into WidgetMouseEvent
* Modifiers. aNativeEvent can be null.
*/
static mozilla::Modifiers ModifiersForEvent(NSEvent* aNativeEvent);
/**
* ConvertToCarbonModifier() returns carbon modifier flags for the cocoa
* modifier flags.
* NOTE: The result never includes right*Key.
*/
static UInt32 ConvertToCarbonModifier(NSUInteger aCocoaModifier);
/**
* Whether to support HiDPI rendering. For testing purposes, to be removed
* once we're comfortable with the HiDPI behavior.
*/
static bool HiDPIEnabled();
/**
* Keys can optionally be bound by system or user key bindings to one or more
* commands based on selectors. This collects any such commands in the
* provided array.
*/
static void GetCommandsFromKeyEvent(NSEvent* aEvent,
nsTArray<KeyBindingsCommand>& aCommands);
/**
* Converts the string name of a Gecko key (like "VK_HOME") to the
* corresponding Cocoa Unicode character.
*/
static uint32_t ConvertGeckoNameToMacCharCode(const nsAString& aKeyCodeName);
/**
* Converts a Gecko key code (like NS_VK_HOME) to the corresponding Cocoa
* Unicode character.
*/
static uint32_t ConvertGeckoKeyCodeToMacCharCode(uint32_t aKeyCode);
/**
* Convert string with font attribute to NSMutableAttributedString
*/
static NSMutableAttributedString* GetNSMutableAttributedString(
const nsAString& aText,
const nsTArray<mozilla::FontRange>& aFontRanges,
const bool aIsVertical,
const CGFloat aBackingScaleFactor);
};
#endif // nsCocoaUtils_h_