81 lines
2.6 KiB
Text
81 lines
2.6 KiB
Text
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "ScreenHelperUIKit.h"
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#import <UIKit/UIScreen.h>
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#include "mozilla/Logging.h"
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#include "nsObjCExceptions.h"
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using namespace mozilla;
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static LazyLogModule sScreenLog("WidgetScreen");
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namespace mozilla {
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namespace widget {
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ScreenHelperUIKit::ScreenHelperUIKit() {
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NS_OBJC_BEGIN_TRY_IGNORE_BLOCK;
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MOZ_LOG(sScreenLog, LogLevel::Debug, ("ScreenHelperUIKit created"));
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RefreshScreens();
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NS_OBJC_END_TRY_IGNORE_BLOCK;
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}
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static already_AddRefed<Screen> MakeScreen(UIScreen* aScreen) {
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NS_OBJC_BEGIN_TRY_BLOCK_RETURN;
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DesktopToLayoutDeviceScale contentsScaleFactor([aScreen scale]);
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CSSToLayoutDeviceScale defaultCssScaleFactor(contentsScaleFactor.scale);
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CGRect bounds = [[aScreen fixedCoordinateSpace] bounds];
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LayoutDeviceIntRect rect;
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rect.x = NSToIntRound(bounds.origin.x * contentsScaleFactor.scale);
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rect.y = NSToIntRound(bounds.origin.y * contentsScaleFactor.scale);
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rect.width = NSToIntRound((bounds.origin.x + bounds.size.width) *
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contentsScaleFactor.scale) -
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rect.x;
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rect.height = NSToIntRound((bounds.size.height - bounds.origin.y) *
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contentsScaleFactor.scale) -
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rect.y;
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// Modern iOS does support HDR, but it's not straightforward to get it given a
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// screen.
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uint32_t pixelDepth = 24;
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float dpi = 96.0f;
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MOZ_LOG(sScreenLog, LogLevel::Debug,
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("New screen [%d %d %d %d (%d %d %d %d) %d %f %f %f]", rect.x, rect.y,
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rect.width, rect.height, rect.x, rect.y, rect.width, rect.height,
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pixelDepth, contentsScaleFactor.scale, defaultCssScaleFactor.scale,
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dpi));
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NSInteger fps = [aScreen maximumFramesPerSecond];
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RefPtr<Screen> screen =
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new Screen(rect, rect, pixelDepth, pixelDepth, fps, contentsScaleFactor,
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defaultCssScaleFactor, dpi, Screen::IsPseudoDisplay::No,
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Screen::IsHDR::No);
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return screen.forget();
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NS_OBJC_END_TRY_BLOCK_RETURN(nullptr);
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}
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void ScreenHelperUIKit::RefreshScreens() {
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NS_OBJC_BEGIN_TRY_IGNORE_BLOCK;
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MOZ_LOG(sScreenLog, LogLevel::Debug, ("Refreshing screens"));
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AutoTArray<RefPtr<Screen>, 1> screens;
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screens.AppendElement(MakeScreen([UIScreen mainScreen]));
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ScreenManager::Refresh(std::move(screens));
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NS_OBJC_END_TRY_IGNORE_BLOCK;
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}
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} // namespace widget
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} // namespace mozilla
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