1 files changed, 72 insertions, 0 deletions
diff --git a/recovery_ui/vr_ui.cpp b/recovery_ui/vr_ui.cpp
new file mode 100644
index 000000000..5b9b1b4e5
--- /dev/null
+++ b/recovery_ui/vr_ui.cpp
@@ -0,0 +1,72 @@
+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "recovery_ui/vr_ui.h"
+
+#include <android-base/properties.h>
+
+#include "minui/minui.h"
+
+constexpr int kDefaultStereoOffset = 0;
+
+VrRecoveryUI::VrRecoveryUI()
+    : stereo_offset_(
+          android::base::GetIntProperty("ro.recovery.ui.stereo_offset", kDefaultStereoOffset)) {}
+
+int VrRecoveryUI::ScreenWidth() const {
+  return gr_fb_width() / 2;
+}
+
+int VrRecoveryUI::ScreenHeight() const {
+  return gr_fb_height();
+}
+
+void VrRecoveryUI::DrawSurface(const GRSurface* surface, int sx, int sy, int w, int h, int dx,
+                               int dy) const {
+  gr_blit(surface, sx, sy, w, h, dx + stereo_offset_, dy);
+  gr_blit(surface, sx, sy, w, h, dx - stereo_offset_ + ScreenWidth(), dy);
+}
+
+void VrRecoveryUI::DrawTextIcon(int x, int y, const GRSurface* surface) const {
+  gr_texticon(x + stereo_offset_, y, surface);
+  gr_texticon(x - stereo_offset_ + ScreenWidth(), y, surface);
+}
+
+int VrRecoveryUI::DrawTextLine(int x, int y, const std::string& line, bool bold) const {
+  gr_text(gr_sys_font(), x + stereo_offset_, y, line.c_str(), bold);
+  gr_text(gr_sys_font(), x - stereo_offset_ + ScreenWidth(), y, line.c_str(), bold);
+  return char_height_ + 4;
+}
+
+int VrRecoveryUI::DrawHorizontalRule(int y) const {
+  y += 4;
+  gr_fill(margin_width_ + stereo_offset_, y, ScreenWidth() - margin_width_ + stereo_offset_, y + 2);
+  gr_fill(ScreenWidth() + margin_width_ - stereo_offset_, y,
+          gr_fb_width() - margin_width_ - stereo_offset_, y + 2);
+  return y + 4;
+}
+
+void VrRecoveryUI::DrawHighlightBar(int /* x */, int y, int /* width */, int height) const {
+  gr_fill(margin_width_ + stereo_offset_, y, ScreenWidth() - margin_width_ + stereo_offset_,
+          y + height);
+  gr_fill(ScreenWidth() + margin_width_ - stereo_offset_, y,
+          gr_fb_width() - margin_width_ - stereo_offset_, y + height);
+}
+
+void VrRecoveryUI::DrawFill(int x, int y, int w, int h) const {
+  gr_fill(x + stereo_offset_, y, w, h);
+  gr_fill(x - stereo_offset_ + ScreenWidth(), y, w, h);
+}