1 files changed, 98 insertions, 0 deletions
diff --git a/widget/uikit/nsScreenManager.mm b/widget/uikit/nsScreenManager.mm
new file mode 100644
index 0000000000..a9ed0f3d66
--- /dev/null
+++ b/widget/uikit/nsScreenManager.mm
@@ -0,0 +1,98 @@
+/* -*- Mode: C++; tab-width: 4; 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/. */
+
+#import <UIKit/UIScreen.h>
+
+#include "gfxPoint.h"
+#include "nsScreenManager.h"
+#include "nsAppShell.h"
+
+static LayoutDeviceIntRect gScreenBounds;
+static bool gScreenBoundsSet = false;
+
+UIKitScreen::UIKitScreen(UIScreen* aScreen) { mScreen = [aScreen retain]; }
+
+NS_IMETHODIMP
+UIKitScreen::GetRect(int32_t* outX, int32_t* outY, int32_t* outWidth, int32_t* outHeight) {
+  return GetRectDisplayPix(outX, outY, outWidth, outHeight);
+}
+
+NS_IMETHODIMP
+UIKitScreen::GetAvailRect(int32_t* outX, int32_t* outY, int32_t* outWidth, int32_t* outHeight) {
+  return GetAvailRectDisplayPix(outX, outY, outWidth, outHeight);
+}
+
+NS_IMETHODIMP
+UIKitScreen::GetRectDisplayPix(int32_t* outX, int32_t* outY, int32_t* outWidth,
+                               int32_t* outHeight) {
+  nsIntRect rect = UIKitScreenManager::GetBounds();
+  *outX = rect.x;
+  *outY = rect.y;
+  *outWidth = rect.width;
+  *outHeight = rect.height;
+
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+UIKitScreen::GetAvailRectDisplayPix(int32_t* outX, int32_t* outY, int32_t* outWidth,
+                                    int32_t* outHeight) {
+  CGRect rect = [mScreen applicationFrame];
+  CGFloat scale = [mScreen scale];
+
+  *outX = rect.origin.x * scale;
+  *outY = rect.origin.y * scale;
+  *outWidth = rect.size.width * scale;
+  *outHeight = rect.size.height * scale;
+
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+UIKitScreen::GetPixelDepth(int32_t* aPixelDepth) {
+  // Close enough.
+  *aPixelDepth = 24;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+UIKitScreen::GetColorDepth(int32_t* aColorDepth) { return GetPixelDepth(aColorDepth); }
+
+NS_IMETHODIMP
+UIKitScreen::GetContentsScaleFactor(double* aContentsScaleFactor) {
+  *aContentsScaleFactor = [mScreen scale];
+  return NS_OK;
+}
+
+NS_IMPL_ISUPPORTS(UIKitScreenManager, nsIScreenManager)
+
+UIKitScreenManager::UIKitScreenManager() : mScreen(new UIKitScreen([UIScreen mainScreen])) {}
+
+LayoutDeviceIntRect UIKitScreenManager::GetBounds() {
+  if (!gScreenBoundsSet) {
+    CGRect rect = [[UIScreen mainScreen] bounds];
+    CGFloat scale = [[UIScreen mainScreen] scale];
+    gScreenBounds.x = rect.origin.x * scale;
+    gScreenBounds.y = rect.origin.y * scale;
+    gScreenBounds.width = rect.size.width * scale;
+    gScreenBounds.height = rect.size.height * scale;
+    gScreenBoundsSet = true;
+  }
+  printf("UIKitScreenManager::GetBounds: %d %d %d %d\n", gScreenBounds.x, gScreenBounds.y,
+         gScreenBounds.width, gScreenBounds.height);
+  return gScreenBounds;
+}
+
+NS_IMETHODIMP
+UIKitScreenManager::GetPrimaryScreen(nsIScreen** outScreen) {
+  NS_IF_ADDREF(*outScreen = mScreen.get());
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+UIKitScreenManager::ScreenForRect(int32_t inLeft, int32_t inTop, int32_t inWidth, int32_t inHeight,
+                                  nsIScreen** outScreen) {
+  return GetPrimaryScreen(outScreen);
+}