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// Copyright 2015 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/exo/xdg_shell_surface.h"
#include "components/exo/buffer.h"
#include "components/exo/display.h"
#include "components/exo/shell_surface.h"
#include "components/exo/surface.h"
#include "components/exo/test/exo_test_base.h"
#include "components/exo/test/exo_test_helper.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace exo {
namespace {
struct SurfaceTriplet {
std::unique_ptr<Surface> surface;
std::unique_ptr<ShellSurface> shell_surface;
std::unique_ptr<Buffer> buffer;
};
class XdgShellSurfaceTest : public test::ExoTestBase {
protected:
SurfaceTriplet BuildSurface(int w, int h) {
auto surface = std::make_unique<Surface>();
auto shell_surface = std::make_unique<XdgShellSurface>(
surface.get(), gfx::Point{0, 0},
/*can_minimize=*/true, ash::desks_util::GetActiveDeskContainerId());
auto buffer = std::make_unique<Buffer>(
exo_test_helper()->CreateGpuMemoryBuffer({w, h}));
surface->Attach(buffer.get());
return {std::move(surface), std::move(shell_surface), std::move(buffer)};
}
// Returns the size of the surface associated with a maximized widget. If the
// widget is |decorated| the size will be smaller due to the widget's
// decorations.
gfx::Size GetMaximizedSurfaceSize(bool decorated) {
SurfaceTriplet temp = BuildSurface(1, 1);
temp.surface->SetFrame(decorated ? SurfaceFrameType::NORMAL
: SurfaceFrameType::NONE);
temp.shell_surface->Maximize();
temp.surface->Commit();
EXPECT_TRUE(temp.shell_surface->GetWidget()->IsMaximized());
return temp.shell_surface->GetWidget()->client_view()->size();
}
};
// We don't actually care about the size of decorations. The purpose of this
// test is to ensure that enabling decorations in the way that we do actually
// causes the widget to be drawn with a (nonzero-sized) frame.
TEST_F(XdgShellSurfaceTest, DecoratedSurfaceSmallerThanUndecorated) {
gfx::Size undecorated_size = GetMaximizedSurfaceSize(false);
gfx::Size decorated_size = GetMaximizedSurfaceSize(true);
// The best expectation we can have is that the window decoration must be
// nonzero in one direction.
int decoration_width = undecorated_size.width() - decorated_size.width();
int decoration_height = undecorated_size.height() - decorated_size.height();
EXPECT_GE(decoration_width, 0);
EXPECT_GE(decoration_height, 0);
EXPECT_GT(decoration_width + decoration_height, 0);
}
TEST_F(XdgShellSurfaceTest, UndecoratedSurfaceAutoMaximizes) {
gfx::Size maximized_size = GetMaximizedSurfaceSize(/*decorated=*/false);
SurfaceTriplet max_surface =
BuildSurface(maximized_size.width(), maximized_size.height());
max_surface.surface->Commit();
EXPECT_TRUE(max_surface.shell_surface->GetWidget()->IsMaximized());
SurfaceTriplet narrow_surface =
BuildSurface(maximized_size.width() - 1, maximized_size.height());
narrow_surface.surface->Commit();
EXPECT_FALSE(narrow_surface.shell_surface->GetWidget()->IsMaximized());
SurfaceTriplet short_surface =
BuildSurface(maximized_size.width(), maximized_size.height() - 1);
short_surface.surface->Commit();
EXPECT_FALSE(short_surface.shell_surface->GetWidget()->IsMaximized());
}
TEST_F(XdgShellSurfaceTest, DecoratedSurfaceAutoMaximizes) {
gfx::Size maximized_size = GetMaximizedSurfaceSize(/*decorated=*/true);
SurfaceTriplet max_surface =
BuildSurface(maximized_size.width(), maximized_size.height());
max_surface.surface->SetFrame(SurfaceFrameType::NORMAL);
max_surface.surface->Commit();
EXPECT_TRUE(max_surface.shell_surface->GetWidget()->IsMaximized());
SurfaceTriplet narrow_surface =
BuildSurface(maximized_size.width() - 1, maximized_size.height());
narrow_surface.surface->SetFrame(SurfaceFrameType::NORMAL);
narrow_surface.surface->Commit();
EXPECT_FALSE(narrow_surface.shell_surface->GetWidget()->IsMaximized());
SurfaceTriplet short_surface =
BuildSurface(maximized_size.width(), maximized_size.height() - 1);
short_surface.surface->SetFrame(SurfaceFrameType::NORMAL);
short_surface.surface->Commit();
EXPECT_FALSE(short_surface.shell_surface->GetWidget()->IsMaximized());
}
TEST_F(XdgShellSurfaceTest, DontMaximizeIfStateWasModified) {
gfx::Size maximized_size = GetMaximizedSurfaceSize(/*decorated=*/true);
SurfaceTriplet test_surface =
BuildSurface(maximized_size.width() + 1, maximized_size.height() + 1);
// Explicitly restoring the window should prevent auto maximize.
test_surface.shell_surface->Restore();
test_surface.surface->Commit();
EXPECT_FALSE(test_surface.shell_surface->GetWidget()->IsMaximized());
}
} // namespace
} // namespace exo
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