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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* 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/. */
#import <UIKit/UIEvent.h>
#import <UIKit/UIGraphics.h>
#import <UIKit/UIInterface.h>
#import <UIKit/UIScreen.h>
#import <UIKit/UITapGestureRecognizer.h>
#import <UIKit/UITouch.h>
#import <UIKit/UIView.h>
#import <UIKit/UIViewController.h>
#import <UIKit/UIWindow.h>
#import <QuartzCore/QuartzCore.h>
#include <algorithm>
#include "nsWindow.h"
#include "nsScreenManager.h"
#include "nsAppShell.h"
#include "nsWidgetsCID.h"
#include "nsGfxCIID.h"
#include "gfxQuartzSurface.h"
#include "gfxUtils.h"
#include "gfxImageSurface.h"
#include "gfxContext.h"
#include "nsRegion.h"
#include "Layers.h"
#include "nsTArray.h"
#include "mozilla/BasicEvents.h"
#include "mozilla/TouchEvents.h"
#include "mozilla/unused.h"
#include "GeckoProfiler.h"
using namespace mozilla;
using namespace mozilla::dom;
using namespace mozilla::layers;
#define ALOG(args...) fprintf(stderr, args); fprintf(stderr, "\n")
static LayoutDeviceIntPoint
UIKitPointsToDevPixels(CGPoint aPoint, CGFloat aBackingScale)
{
return LayoutDeviceIntPoint(NSToIntRound(aPoint.x * aBackingScale),
NSToIntRound(aPoint.y * aBackingScale));
}
static CGRect
DevPixelsToUIKitPoints(const nsIntRect& aRect, CGFloat aBackingScale)
{
return CGRectMake((CGFloat)aRect.x / aBackingScale,
(CGFloat)aRect.y / aBackingScale,
(CGFloat)aRect.width / aBackingScale,
(CGFloat)aRect.height / aBackingScale);
}
// Used to retain a Cocoa object for the remainder of a method's execution.
class nsAutoRetainUIKitObject {
public:
nsAutoRetainUIKitObject(id anObject)
{
mObject = [anObject retain];
}
~nsAutoRetainUIKitObject()
{
[mObject release];
}
private:
id mObject; // [STRONG]
};
@interface ChildView : UIView
{
@public
nsWindow* mGeckoChild; // weak ref
BOOL mWaitingForPaint;
CFMutableDictionaryRef mTouches;
int mNextTouchID;
}
// sets up our view, attaching it to its owning gecko view
- (id)initWithFrame:(CGRect)inFrame geckoChild:(nsWindow*)inChild;
// Our Gecko child was Destroy()ed
- (void)widgetDestroyed;
// Tear down this ChildView
- (void)delayedTearDown;
- (void)sendMouseEvent:(EventMessage) aType point:(LayoutDeviceIntPoint)aPoint widget:(nsWindow*)aWindow;
- (void)handleTap:(UITapGestureRecognizer *)sender;
- (BOOL)isUsingMainThreadOpenGL;
- (void)drawUsingOpenGL;
- (void)drawUsingOpenGLCallback;
- (void)sendTouchEvent:(EventMessage) aType touches:(NSSet*)aTouches widget:(nsWindow*)aWindow;
// Event handling (UIResponder)
- (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event;
- (void)touchesCancelled:(NSSet *)touches withEvent:(UIEvent *)event;
- (void)touchesEnded:(NSSet *)touches withEvent:(UIEvent *)event;
- (void)touchesMoved:(NSSet *)touches withEvent:(UIEvent *)event;
@end
@implementation ChildView
+ (Class)layerClass {
return [CAEAGLLayer class];
}
- (id)initWithFrame:(CGRect)inFrame geckoChild:(nsWindow*)inChild
{
self.multipleTouchEnabled = YES;
if ((self = [super initWithFrame:inFrame])) {
mGeckoChild = inChild;
}
ALOG("[ChildView[%p] initWithFrame:] (mGeckoChild = %p)", (void*)self, (void*)mGeckoChild);
self.opaque = YES;
self.alpha = 1.0;
UITapGestureRecognizer *tapRecognizer = [[UITapGestureRecognizer alloc]
initWithTarget:self action:@selector(handleTap:)];
tapRecognizer.numberOfTapsRequired = 1;
[self addGestureRecognizer:tapRecognizer];
mTouches = CFDictionaryCreateMutable(kCFAllocatorDefault, 0, nullptr, nullptr);
mNextTouchID = 0;
return self;
}
- (void)widgetDestroyed
{
mGeckoChild = nullptr;
CFRelease(mTouches);
}
- (void)delayedTearDown
{
[self removeFromSuperview];
[self release];
}
- (void)sendMouseEvent:(EventMessage) aType point:(LayoutDeviceIntPoint)aPoint widget:(nsWindow*)aWindow
{
WidgetMouseEvent event(true, aType, aWindow,
WidgetMouseEvent::eReal, WidgetMouseEvent::eNormal);
event.refPoint = aPoint;
event.clickCount = 1;
event.button = WidgetMouseEvent::eLeftButton;
event.time = PR_IntervalNow();
event.inputSource = nsIDOMMouseEvent::MOZ_SOURCE_UNKNOWN;
nsEventStatus status;
aWindow->DispatchEvent(&event, status);
}
- (void)handleTap:(UITapGestureRecognizer *)sender
{
if (sender.state == UIGestureRecognizerStateEnded) {
ALOG("[ChildView[%p] handleTap]", self);
LayoutDeviceIntPoint lp = UIKitPointsToDevPixels([sender locationInView:self], [self contentScaleFactor]);
[self sendMouseEvent:eMouseMove point:lp widget:mGeckoChild];
[self sendMouseEvent:eMouseDown point:lp widget:mGeckoChild];
[self sendMouseEvent:eMouseUp point:lp widget:mGeckoChild];
}
}
- (void)sendTouchEvent:(EventMessage) aType touches:(NSSet*)aTouches widget:(nsWindow*)aWindow
{
WidgetTouchEvent event(true, aType, aWindow);
//XXX: I think nativeEvent.timestamp * 1000 is probably usable here but
// I don't care that much right now.
event.time = PR_IntervalNow();
event.touches.SetCapacity(aTouches.count);
for (UITouch* touch in aTouches) {
LayoutDeviceIntPoint loc = UIKitPointsToDevPixels([touch locationInView:self], [self contentScaleFactor]);
LayoutDeviceIntPoint radius = UIKitPointsToDevPixels([touch majorRadius], [touch majorRadius]);
void* value;
if (!CFDictionaryGetValueIfPresent(mTouches, touch, (const void**)&value)) {
// This shouldn't happen.
NS_ASSERTION(false, "Got a touch that we didn't know about");
continue;
}
int id = reinterpret_cast<int>(value);
RefPtr<Touch> t = new Touch(id, loc, radius, 0.0f, 1.0f);
event.refPoint = loc;
event.touches.AppendElement(t);
}
aWindow->DispatchAPZAwareEvent(&event);
}
- (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event
{
ALOG("[ChildView[%p] touchesBegan", self);
if (!mGeckoChild)
return;
for (UITouch* touch : touches) {
CFDictionaryAddValue(mTouches, touch, (void*)mNextTouchID);
mNextTouchID++;
}
[self sendTouchEvent:eTouchStart
touches:[event allTouches]
widget:mGeckoChild];
}
- (void)touchesCancelled:(NSSet *)touches withEvent:(UIEvent *)event
{
ALOG("[ChildView[%p] touchesCancelled", self);
[self sendTouchEvent:eTouchCancel touches:touches widget:mGeckoChild];
for (UITouch* touch : touches) {
CFDictionaryRemoveValue(mTouches, touch);
}
if (CFDictionaryGetCount(mTouches) == 0) {
mNextTouchID = 0;
}
}
- (void)touchesEnded:(NSSet *)touches withEvent:(UIEvent *)event
{
ALOG("[ChildView[%p] touchesEnded", self);
if (!mGeckoChild)
return;
[self sendTouchEvent:eTouchEnd touches:touches widget:mGeckoChild];
for (UITouch* touch : touches) {
CFDictionaryRemoveValue(mTouches, touch);
}
if (CFDictionaryGetCount(mTouches) == 0) {
mNextTouchID = 0;
}
}
- (void)touchesMoved:(NSSet *)touches withEvent:(UIEvent *)event
{
ALOG("[ChildView[%p] touchesMoved", self);
if (!mGeckoChild)
return;
[self sendTouchEvent:eTouchMove
touches:[event allTouches]
widget:mGeckoChild];
}
- (void)setNeedsDisplayInRect:(CGRect)aRect
{
if ([self isUsingMainThreadOpenGL]) {
// Draw without calling drawRect. This prevent us from
// needing to access the normal window buffer surface unnecessarily, so we
// waste less time synchronizing the two surfaces.
if (!mWaitingForPaint) {
mWaitingForPaint = YES;
// Use NSRunLoopCommonModes instead of the default NSDefaultRunLoopMode
// so that the timer also fires while a native menu is open.
[self performSelector:@selector(drawUsingOpenGLCallback)
withObject:nil
afterDelay:0
inModes:[NSArray arrayWithObject:NSRunLoopCommonModes]];
}
}
}
- (BOOL)isUsingMainThreadOpenGL
{
if (!mGeckoChild || ![self window])
return NO;
return mGeckoChild->GetLayerManager(nullptr)->GetBackendType() == mozilla::layers::LayersBackend::LAYERS_OPENGL;
}
- (void)drawUsingOpenGL
{
ALOG("drawUsingOpenGL");
PROFILER_LABEL("ChildView", "drawUsingOpenGL",
js::ProfileEntry::Category::GRAPHICS);
if (!mGeckoChild->IsVisible())
return;
mWaitingForPaint = NO;
LayoutDeviceIntRect geckoBounds;
mGeckoChild->GetBounds(geckoBounds);
LayoutDeviceIntRegion region(geckoBounds);
mGeckoChild->PaintWindow(region);
}
// Called asynchronously after setNeedsDisplay in order to avoid entering the
// normal drawing machinery.
- (void)drawUsingOpenGLCallback
{
if (mWaitingForPaint) {
[self drawUsingOpenGL];
}
}
// The display system has told us that a portion of our view is dirty. Tell
// gecko to paint it
- (void)drawRect:(CGRect)aRect
{
CGContextRef cgContext = UIGraphicsGetCurrentContext();
[self drawRect:aRect inContext:cgContext];
}
- (void)drawRect:(CGRect)aRect inContext:(CGContextRef)aContext
{
#ifdef DEBUG_UPDATE
LayoutDeviceIntRect geckoBounds;
mGeckoChild->GetBounds(geckoBounds);
fprintf (stderr, "---- Update[%p][%p] [%f %f %f %f] cgc: %p\n gecko bounds: [%d %d %d %d]\n",
self, mGeckoChild,
aRect.origin.x, aRect.origin.y, aRect.size.width, aRect.size.height, aContext,
geckoBounds.x, geckoBounds.y, geckoBounds.width, geckoBounds.height);
CGAffineTransform xform = CGContextGetCTM(aContext);
fprintf (stderr, " xform in: [%f %f %f %f %f %f]\n", xform.a, xform.b, xform.c, xform.d, xform.tx, xform.ty);
#endif
if (true) {
// For Gecko-initiated repaints in OpenGL mode, drawUsingOpenGL is
// directly called from a delayed perform callback - without going through
// drawRect.
// Paints that come through here are triggered by something that Cocoa
// controls, for example by window resizing or window focus changes.
// Do GL composition and return.
[self drawUsingOpenGL];
return;
}
PROFILER_LABEL("ChildView", "drawRect",
js::ProfileEntry::Category::GRAPHICS);
// The CGContext that drawRect supplies us with comes with a transform that
// scales one user space unit to one Cocoa point, which can consist of
// multiple dev pixels. But Gecko expects its supplied context to be scaled
// to device pixels, so we need to reverse the scaling.
double scale = mGeckoChild->BackingScaleFactor();
CGContextSaveGState(aContext);
CGContextScaleCTM(aContext, 1.0 / scale, 1.0 / scale);
CGSize viewSize = [self bounds].size;
nsIntSize backingSize(viewSize.width * scale, viewSize.height * scale);
CGContextSaveGState(aContext);
LayoutDeviceIntRegion region =
LayoutDeviceIntRect(NSToIntRound(aRect.origin.x * scale),
NSToIntRound(aRect.origin.y * scale),
NSToIntRound(aRect.size.width * scale),
NSToIntRound(aRect.size.height * scale));
// Create Cairo objects.
RefPtr<gfxQuartzSurface> targetSurface;
RefPtr<gfxContext> targetContext;
if (gfxPlatform::GetPlatform()->SupportsAzureContentForType(gfx::BackendType::COREGRAPHICS)) {
RefPtr<gfx::DrawTarget> dt =
gfx::Factory::CreateDrawTargetForCairoCGContext(aContext,
gfx::IntSize(backingSize.width,
backingSize.height));
dt->AddUserData(&gfxContext::sDontUseAsSourceKey, dt, nullptr);
targetContext = new gfxContext(dt);
} else if (gfxPlatform::GetPlatform()->SupportsAzureContentForType(gfx::BackendType::CAIRO)) {
// This is dead code unless you mess with prefs, but keep it around for
// debugging.
targetSurface = new gfxQuartzSurface(aContext, backingSize);
targetSurface->SetAllowUseAsSource(false);
RefPtr<gfx::DrawTarget> dt =
gfxPlatform::GetPlatform()->CreateDrawTargetForSurface(targetSurface,
gfx::IntSize(backingSize.width,
backingSize.height));
dt->AddUserData(&gfxContext::sDontUseAsSourceKey, dt, nullptr);
targetContext = new gfxContext(dt);
} else {
MOZ_ASSERT_UNREACHABLE("COREGRAPHICS is the only supported backed");
}
// Set up the clip region.
LayoutDeviceIntRegion::RectIterator iter(region);
targetContext->NewPath();
for (;;) {
const LayoutDeviceIntRect* r = iter.Next();
if (!r)
break;
targetContext->Rectangle(gfxRect(r->x, r->y, r->width, r->height));
}
targetContext->Clip();
//nsAutoRetainCocoaObject kungFuDeathGrip(self);
bool painted = false;
if (mGeckoChild->GetLayerManager()->GetBackendType() == LayersBackend::LAYERS_BASIC) {
nsBaseWidget::AutoLayerManagerSetup
setupLayerManager(mGeckoChild, targetContext, BufferMode::BUFFER_NONE);
painted = mGeckoChild->PaintWindow(region);
} else if (mGeckoChild->GetLayerManager()->GetBackendType() == LayersBackend::LAYERS_CLIENT) {
// We only need this so that we actually get DidPaintWindow fired
painted = mGeckoChild->PaintWindow(region);
}
targetContext = nullptr;
targetSurface = nullptr;
CGContextRestoreGState(aContext);
// Undo the scale transform so that from now on the context is in
// CocoaPoints again.
CGContextRestoreGState(aContext);
if (!painted && [self isOpaque]) {
// Gecko refused to draw, but we've claimed to be opaque, so we have to
// draw something--fill with white.
CGContextSetRGBFillColor(aContext, 1, 1, 1, 1);
CGContextFillRect(aContext, aRect);
}
#ifdef DEBUG_UPDATE
fprintf (stderr, "---- update done ----\n");
#if 0
CGContextSetRGBStrokeColor (aContext,
((((unsigned long)self) & 0xff)) / 255.0,
((((unsigned long)self) & 0xff00) >> 8) / 255.0,
((((unsigned long)self) & 0xff0000) >> 16) / 255.0,
0.5);
#endif
CGContextSetRGBStrokeColor(aContext, 1, 0, 0, 0.8);
CGContextSetLineWidth(aContext, 4.0);
CGContextStrokeRect(aContext, aRect);
#endif
}
@end
NS_IMPL_ISUPPORTS_INHERITED0(nsWindow, Inherited)
nsWindow::nsWindow()
: mNativeView(nullptr),
mVisible(false),
mParent(nullptr)
{
}
nsWindow::~nsWindow()
{
[mNativeView widgetDestroyed]; // Safe if mNativeView is nil.
TearDownView(); // Safe if called twice.
}
void nsWindow::TearDownView()
{
if (!mNativeView)
return;
[mNativeView performSelectorOnMainThread:@selector(delayedTearDown) withObject:nil waitUntilDone:false];
mNativeView = nil;
}
bool
nsWindow::IsTopLevel()
{
return mWindowType == eWindowType_toplevel ||
mWindowType == eWindowType_dialog ||
mWindowType == eWindowType_invisible;
}
//
// nsIWidget
//
NS_IMETHODIMP
nsWindow::Create(nsIWidget* aParent,
nsNativeWidget aNativeParent,
const LayoutDeviceIntRect& aRect,
nsWidgetInitData* aInitData)
{
ALOG("nsWindow[%p]::Create %p/%p [%d %d %d %d]", (void*)this, (void*)aParent, (void*)aNativeParent, aRect.x, aRect.y, aRect.width, aRect.height);
nsWindow* parent = (nsWindow*) aParent;
ChildView* nativeParent = (ChildView*)aNativeParent;
if (parent == nullptr && nativeParent)
parent = nativeParent->mGeckoChild;
if (parent && nativeParent == nullptr)
nativeParent = parent->mNativeView;
// for toplevel windows, bounds are fixed to full screen size
if (parent == nullptr) {
if (nsAppShell::gWindow == nil) {
mBounds = UIKitScreenManager::GetBounds();
} else {
CGRect cgRect = [nsAppShell::gWindow bounds];
mBounds.x = cgRect.origin.x;
mBounds.y = cgRect.origin.y;
mBounds.width = cgRect.size.width;
mBounds.height = cgRect.size.height;
}
} else {
mBounds = aRect.ToUnknownRect();
}
ALOG("nsWindow[%p]::Create bounds: %d %d %d %d", (void*)this,
mBounds.x, mBounds.y, mBounds.width, mBounds.height);
// Set defaults which can be overriden from aInitData in BaseCreate
mWindowType = eWindowType_toplevel;
mBorderStyle = eBorderStyle_default;
Inherited::BaseCreate(aParent,
LayoutDeviceIntRect::FromUnknownRect(mBounds),
aInitData);
NS_ASSERTION(IsTopLevel() || parent, "non top level window doesn't have a parent!");
mNativeView = [[ChildView alloc] initWithFrame:DevPixelsToUIKitPoints(mBounds, BackingScaleFactor()) geckoChild:this];
mNativeView.hidden = YES;
if (parent) {
parent->mChildren.AppendElement(this);
mParent = parent;
}
if (nativeParent) {
[nativeParent addSubview:mNativeView];
} else if (nsAppShell::gWindow) {
[nsAppShell::gWindow.rootViewController.view addSubview:mNativeView];
}
else {
[nsAppShell::gTopLevelViews addObject:mNativeView];
}
return NS_OK;
}
NS_IMETHODIMP
nsWindow::Destroy(void)
{
for (uint32_t i = 0; i < mChildren.Length(); ++i) {
// why do we still have children?
mChildren[i]->SetParent(nullptr);
}
if (mParent)
mParent->mChildren.RemoveElement(this);
[mNativeView widgetDestroyed];
nsBaseWidget::Destroy();
//ReportDestroyEvent();
TearDownView();
nsBaseWidget::OnDestroy();
return NS_OK;
}
NS_IMETHODIMP
nsWindow::ConfigureChildren(const nsTArray<nsIWidget::Configuration>& config)
{
for (uint32_t i = 0; i < config.Length(); ++i) {
nsWindow *childWin = (nsWindow*) config[i].mChild.get();
childWin->Resize(config[i].mBounds.x,
config[i].mBounds.y,
config[i].mBounds.width,
config[i].mBounds.height,
false);
}
return NS_OK;
}
NS_IMETHODIMP
nsWindow::ReparentNativeWidget(nsIWidget* aNewParent)
{
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP
nsWindow::Show(bool aState)
{
if (aState != mVisible) {
mNativeView.hidden = aState ? NO : YES;
if (aState) {
UIView* parentView = mParent ? mParent->mNativeView : nsAppShell::gWindow.rootViewController.view;
[parentView bringSubviewToFront:mNativeView];
[mNativeView setNeedsDisplay];
}
mVisible = aState;
}
return NS_OK;
}
NS_IMETHODIMP
nsWindow::SetModal(bool aModal)
{
return NS_OK;
}
NS_IMETHODIMP
nsWindow::ConstrainPosition(bool aAllowSlop,
int32_t *aX,
int32_t *aY)
{
return NS_OK;
}
NS_IMETHODIMP
nsWindow::Move(double aX, double aY)
{
if (!mNativeView || (mBounds.x == aX && mBounds.y == aY))
return NS_OK;
//XXX: handle this
// The point we have is in Gecko coordinates (origin top-left). Convert
// it to Cocoa ones (origin bottom-left).
mBounds.x = aX;
mBounds.y = aY;
mNativeView.frame = DevPixelsToUIKitPoints(mBounds, BackingScaleFactor());
if (mVisible)
[mNativeView setNeedsDisplay];
ReportMoveEvent();
return NS_OK;
}
NS_IMETHODIMP
nsWindow::Resize(double aX, double aY,
double aWidth, double aHeight,
bool aRepaint)
{
BOOL isMoving = (mBounds.x != aX || mBounds.y != aY);
BOOL isResizing = (mBounds.width != aWidth || mBounds.height != aHeight);
if (!mNativeView || (!isMoving && !isResizing))
return NS_OK;
if (isMoving) {
mBounds.x = aX;
mBounds.y = aY;
}
if (isResizing) {
mBounds.width = aWidth;
mBounds.height = aHeight;
}
[mNativeView setFrame:DevPixelsToUIKitPoints(mBounds, BackingScaleFactor())];
if (mVisible && aRepaint)
[mNativeView setNeedsDisplay];
if (isMoving)
ReportMoveEvent();
if (isResizing)
ReportSizeEvent();
return NS_OK;
}
NS_IMETHODIMP nsWindow::Resize(double aWidth, double aHeight, bool aRepaint)
{
if (!mNativeView || (mBounds.width == aWidth && mBounds.height == aHeight))
return NS_OK;
mBounds.width = aWidth;
mBounds.height = aHeight;
[mNativeView setFrame:DevPixelsToUIKitPoints(mBounds, BackingScaleFactor())];
if (mVisible && aRepaint)
[mNativeView setNeedsDisplay];
ReportSizeEvent();
return NS_OK;
}
NS_IMETHODIMP
nsWindow::PlaceBehind(nsTopLevelWidgetZPlacement aPlacement,
nsIWidget *aWidget,
bool aActivate)
{
return NS_OK;
}
NS_IMETHODIMP
nsWindow::SetSizeMode(nsSizeMode aMode)
{
if (aMode == static_cast<int32_t>(mSizeMode)) {
return NS_OK;
}
nsresult rv = NS_OK;
mSizeMode = static_cast<nsSizeMode>(aMode);
if (aMode == nsSizeMode_Maximized || aMode == nsSizeMode_Fullscreen) {
// Resize to fill screen
rv = nsBaseWidget::MakeFullScreen(true);
}
ReportSizeModeEvent(aMode);
return rv;
}
NS_IMETHODIMP
nsWindow::Invalidate(const LayoutDeviceIntRect& aRect)
{
if (!mNativeView || !mVisible)
return NS_OK;
MOZ_RELEASE_ASSERT(GetLayerManager()->GetBackendType() != LayersBackend::LAYERS_CLIENT,
"Shouldn't need to invalidate with accelerated OMTC layers!");
[mNativeView setNeedsLayout];
[mNativeView setNeedsDisplayInRect:DevPixelsToUIKitPoints(mBounds, BackingScaleFactor())];
return NS_OK;
}
NS_IMETHODIMP
nsWindow::SetFocus(bool aRaise)
{
[[mNativeView window] makeKeyWindow];
[mNativeView becomeFirstResponder];
return NS_OK;
}
void nsWindow::WillPaintWindow()
{
if (mWidgetListener) {
mWidgetListener->WillPaintWindow(this);
}
}
bool nsWindow::PaintWindow(LayoutDeviceIntRegion aRegion)
{
if (!mWidgetListener)
return false;
bool returnValue = false;
returnValue = mWidgetListener->PaintWindow(this, aRegion);
if (mWidgetListener) {
mWidgetListener->DidPaintWindow();
}
return returnValue;
}
void nsWindow::ReportMoveEvent()
{
NotifyWindowMoved(mBounds.x, mBounds.y);
}
void nsWindow::ReportSizeModeEvent(nsSizeMode aMode)
{
if (mWidgetListener) {
// This is terrible.
nsSizeMode theMode;
switch (aMode) {
case nsSizeMode_Maximized:
theMode = nsSizeMode_Maximized;
break;
case nsSizeMode_Fullscreen:
theMode = nsSizeMode_Fullscreen;
break;
default:
return;
}
mWidgetListener->SizeModeChanged(theMode);
}
}
void nsWindow::ReportSizeEvent()
{
if (mWidgetListener) {
LayoutDeviceIntRect innerBounds;
GetClientBounds(innerBounds);
mWidgetListener->WindowResized(this, innerBounds.width, innerBounds.height);
}
}
NS_IMETHODIMP
nsWindow::GetScreenBounds(LayoutDeviceIntRect& aRect)
{
LayoutDeviceIntPoint p = WidgetToScreenOffset();
aRect.x = p.x;
aRect.y = p.y;
aRect.width = mBounds.width;
aRect.height = mBounds.height;
return NS_OK;
}
LayoutDeviceIntPoint nsWindow::WidgetToScreenOffset()
{
LayoutDeviceIntPoint offset(0, 0);
if (mParent) {
offset = mParent->WidgetToScreenOffset();
}
CGPoint temp = [mNativeView convertPoint:temp toView:nil];
if (!mParent && nsAppShell::gWindow) {
// convert to screen coords
temp = [nsAppShell::gWindow convertPoint:temp toWindow:nil];
}
offset.x += temp.x;
offset.y += temp.y;
return offset;
}
NS_IMETHODIMP
nsWindow::DispatchEvent(mozilla::WidgetGUIEvent* aEvent,
nsEventStatus& aStatus)
{
aStatus = nsEventStatus_eIgnore;
nsCOMPtr<nsIWidget> kungFuDeathGrip = do_QueryInterface(aEvent->widget);
if (mWidgetListener)
aStatus = mWidgetListener->HandleEvent(aEvent, mUseAttachedEvents);
return NS_OK;
}
NS_IMETHODIMP_(void)
nsWindow::SetInputContext(const InputContext& aContext,
const InputContextAction& aAction)
{
//TODO: actually show VKB
mInputContext = aContext;
}
NS_IMETHODIMP_(mozilla::widget::InputContext)
nsWindow::GetInputContext()
{
return mInputContext;
}
void
nsWindow::SetBackgroundColor(const nscolor &aColor)
{
mNativeView.backgroundColor = [UIColor colorWithRed:NS_GET_R(aColor)
green:NS_GET_G(aColor)
blue:NS_GET_B(aColor)
alpha:NS_GET_A(aColor)];
}
void* nsWindow::GetNativeData(uint32_t aDataType)
{
void* retVal = nullptr;
switch (aDataType)
{
case NS_NATIVE_WIDGET:
case NS_NATIVE_DISPLAY:
retVal = (void*)mNativeView;
break;
case NS_NATIVE_WINDOW:
retVal = [mNativeView window];
break;
case NS_NATIVE_GRAPHIC:
NS_ERROR("Requesting NS_NATIVE_GRAPHIC on a UIKit child view!");
break;
case NS_NATIVE_OFFSETX:
retVal = 0;
break;
case NS_NATIVE_OFFSETY:
retVal = 0;
break;
case NS_NATIVE_PLUGIN_PORT:
// not implemented
break;
case NS_RAW_NATIVE_IME_CONTEXT:
retVal = NS_ONLY_ONE_NATIVE_IME_CONTEXT;
break;
}
return retVal;
}
CGFloat
nsWindow::BackingScaleFactor()
{
if (mNativeView) {
return [mNativeView contentScaleFactor];
}
return [UIScreen mainScreen].scale;
}
int32_t
nsWindow::RoundsWidgetCoordinatesTo()
{
if (BackingScaleFactor() == 2.0) {
return 2;
}
return 1;
}
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