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-rw-r--r--widget/android/ScreenHelperAndroid.cpp70
1 files changed, 70 insertions, 0 deletions
diff --git a/widget/android/ScreenHelperAndroid.cpp b/widget/android/ScreenHelperAndroid.cpp
new file mode 100644
index 0000000000..33c91fe6e0
--- /dev/null
+++ b/widget/android/ScreenHelperAndroid.cpp
@@ -0,0 +1,70 @@
+/* -*- Mode: C++; tab-width: 40; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ * vim: set sw=2 ts=4 expandtab:
+ * 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/. */
+
+#include "ScreenHelperAndroid.h"
+#include "AndroidRect.h"
+#include "nsThreadUtils.h"
+
+#include <mozilla/jni/Refs.h>
+
+#include "AndroidVsync.h"
+#include "mozilla/Atomics.h"
+#include "mozilla/java/GeckoAppShellWrappers.h"
+#include "mozilla/java/ScreenManagerHelperNatives.h"
+#include "mozilla/widget/ScreenManager.h"
+#include "nsXULAppAPI.h"
+
+using namespace mozilla;
+using namespace mozilla::widget;
+
+static ScreenHelperAndroid* gHelper = nullptr;
+
+class ScreenHelperAndroid::ScreenHelperSupport final
+ : public java::ScreenManagerHelper::Natives<ScreenHelperSupport> {
+ public:
+ typedef java::ScreenManagerHelper::Natives<ScreenHelperSupport> Base;
+
+ static void RefreshScreenInfo() { gHelper->Refresh(); }
+};
+
+static already_AddRefed<Screen> MakePrimaryScreen() {
+ MOZ_ASSERT(XRE_IsParentProcess());
+ java::sdk::Rect::LocalRef rect = java::GeckoAppShell::GetScreenSize();
+ LayoutDeviceIntRect bounds = LayoutDeviceIntRect(
+ rect->Left(), rect->Top(), rect->Width(), rect->Height());
+ uint32_t depth = java::GeckoAppShell::GetScreenDepth();
+ float density = java::GeckoAppShell::GetDensity();
+ float dpi = java::GeckoAppShell::GetDpi();
+ auto orientation =
+ hal::ScreenOrientation(java::GeckoAppShell::GetScreenOrientation());
+ uint16_t angle = java::GeckoAppShell::GetScreenAngle();
+ float refreshRate = java::GeckoAppShell::GetScreenRefreshRate();
+ return MakeAndAddRef<Screen>(bounds, bounds, depth, depth, refreshRate,
+ DesktopToLayoutDeviceScale(density),
+ CSSToLayoutDeviceScale(1.0f), dpi,
+ Screen::IsPseudoDisplay::No, orientation, angle);
+}
+
+ScreenHelperAndroid::ScreenHelperAndroid() {
+ MOZ_ASSERT(!gHelper);
+ gHelper = this;
+
+ ScreenHelperSupport::Base::Init();
+
+ Refresh();
+}
+
+ScreenHelperAndroid::~ScreenHelperAndroid() { gHelper = nullptr; }
+
+void ScreenHelperAndroid::Refresh() {
+ AutoTArray<RefPtr<Screen>, 1> screens;
+ screens.AppendElement(MakePrimaryScreen());
+ ScreenManager::Refresh(std::move(screens));
+
+ if (RefPtr<AndroidVsync> vsync = AndroidVsync::GetInstance()) {
+ vsync->OnMaybeUpdateRefreshRate();
+ }
+}