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[fuchsia][scenic] Fix logical size in flatland platform view. #37053

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Oct 27, 2022
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[fuchsia][scenic] Fix logical size in flatland platform view. #37053

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40 changes: 21 additions & 19 deletions shell/platform/fuchsia/flutter/flatland_platform_view.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -84,25 +84,27 @@ void FlatlandPlatformView::OnGetLayout(
}

SetViewportMetrics({
pixel_ratio, // device_pixel_ratio
view_logical_size_.value()[0], // physical_width
view_logical_size_.value()[1], // physical_height
0.0f, // physical_padding_top
0.0f, // physical_padding_right
0.0f, // physical_padding_bottom
0.0f, // physical_padding_left
0.0f, // physical_view_inset_top
0.0f, // physical_view_inset_right
0.0f, // physical_view_inset_bottom
0.0f, // physical_view_inset_left
0.0f, // p_physical_system_gesture_inset_top
0.0f, // p_physical_system_gesture_inset_right
0.0f, // p_physical_system_gesture_inset_bottom
0.0f, // p_physical_system_gesture_inset_left,
-1.0, // p_physical_touch_slop,
{}, // p_physical_display_features_bounds
{}, // p_physical_display_features_type
{}, // p_physical_display_features_state
pixel_ratio, // device_pixel_ratio
std::round(view_logical_size_.value()[0] *
pixel_ratio), // physical_width
std::round(view_logical_size_.value()[1] *
pixel_ratio), // physical_height
0.0f, // physical_padding_top
0.0f, // physical_padding_right
0.0f, // physical_padding_bottom
0.0f, // physical_padding_left
0.0f, // physical_view_inset_top
0.0f, // physical_view_inset_right
0.0f, // physical_view_inset_bottom
0.0f, // physical_view_inset_left
0.0f, // p_physical_system_gesture_inset_top
0.0f, // p_physical_system_gesture_inset_right
0.0f, // p_physical_system_gesture_inset_bottom
0.0f, // p_physical_system_gesture_inset_left,
-1.0, // p_physical_touch_slop,
{}, // p_physical_display_features_bounds
{}, // p_physical_display_features_type
{}, // p_physical_display_features_state
});

parent_viewport_watcher_->GetLayout(
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3 changes: 2 additions & 1 deletion shell/platform/fuchsia/flutter/tests/flatland_platform_view_unittest.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -672,7 +672,8 @@ TEST_F(FlatlandPlatformViewTests, SetViewportMetrics) {
watcher.SetLayout(width, height, kDPR);
RunLoopUntilIdle();
EXPECT_EQ(delegate.metrics(),
flutter::ViewportMetrics(kDPR, width, height, -1.0));
flutter::ViewportMetrics(kDPR, std::round(width * kDPR),
std::round(height * kDPR), -1.0));
}

// This test makes sure that the PlatformView correctly registers semantics
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