зеркало из https://github.com/mozilla/gecko-dev.git
74 строки
2.4 KiB
C++
74 строки
2.4 KiB
C++
/* -*- Mode: C++; tab-width: 40; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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* vim: set sw=2 ts=4 expandtab:
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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 "ScreenHelperAndroid.h"
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#include "AndroidRect.h"
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#include "nsThreadUtils.h"
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#include <mozilla/jni/Refs.h>
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#include "mozilla/Atomics.h"
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#include "mozilla/java/GeckoAppShellWrappers.h"
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#include "mozilla/java/ScreenManagerHelperNatives.h"
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#include "mozilla/widget/ScreenManager.h"
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using namespace mozilla;
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using namespace mozilla::widget;
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static ScreenHelperAndroid* gHelper = nullptr;
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class ScreenHelperAndroid::ScreenHelperSupport final
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: public java::ScreenManagerHelper::Natives<ScreenHelperSupport> {
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public:
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typedef java::ScreenManagerHelper::Natives<ScreenHelperSupport> Base;
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static void RefreshScreenInfo() { gHelper->Refresh(); }
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};
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static already_AddRefed<Screen> MakePrimaryScreen() {
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MOZ_ASSERT(XRE_IsParentProcess());
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java::sdk::Rect::LocalRef rect = java::GeckoAppShell::GetScreenSize();
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LayoutDeviceIntRect bounds = LayoutDeviceIntRect(
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rect->Left(), rect->Top(), rect->Width(), rect->Height());
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uint32_t depth = java::GeckoAppShell::GetScreenDepth();
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float density = java::GeckoAppShell::GetDensity();
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float dpi = java::GeckoAppShell::GetDpi();
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RefPtr<Screen> screen = new Screen(bounds, bounds, depth, depth,
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DesktopToLayoutDeviceScale(density),
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CSSToLayoutDeviceScale(1.0f), dpi);
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return screen.forget();
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}
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ScreenHelperAndroid::ScreenHelperAndroid() {
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MOZ_ASSERT(!gHelper);
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gHelper = this;
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ScreenHelperSupport::Base::Init();
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Refresh();
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}
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ScreenHelperAndroid::~ScreenHelperAndroid() { gHelper = nullptr; }
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/* static */
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ScreenHelperAndroid* ScreenHelperAndroid::GetSingleton() { return gHelper; }
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void ScreenHelperAndroid::Refresh() {
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mScreens.Remove(0);
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if (RefPtr<Screen> screen = MakePrimaryScreen()) {
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mScreens.InsertOrUpdate(0, std::move(screen));
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}
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ScreenManager& manager = ScreenManager::GetSingleton();
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manager.Refresh(ToTArray<AutoTArray<RefPtr<Screen>, 1>>(mScreens.Values()));
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}
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already_AddRefed<Screen> ScreenHelperAndroid::ScreenForId(uint32_t aScreenId) {
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RefPtr<Screen> screen = mScreens.Get(aScreenId);
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return screen.forget();
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}
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