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// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ui/views/controls/native/native_view_host_mac.h"
#import <Cocoa/Cocoa.h>
#import "base/mac/scoped_nsobject.h"
#include "base/memory/scoped_ptr.h"
#include "ui/views/controls/native/native_view_host.h"
#include "ui/views/controls/native/native_view_host_test_base.h"
#include "ui/views/view.h"
#include "ui/views/widget/widget.h"
namespace views {
class NativeViewHostMacTest : public test::NativeViewHostTestBase {
public:
NativeViewHostMacTest() {}
// testing::Test:
void TearDown() override {
// On Aura, the compositor is destroyed when the WindowTreeHost provided by
// AuraTestHelper is destroyed. On Mac, the Widget is the host, so it must
// be closed before the ContextFactory is torn down by ViewsTestBase.
DestroyTopLevel();
NativeViewHostTestBase::TearDown();
}
NativeViewHostMac* native_host() {
return static_cast<NativeViewHostMac*>(GetNativeWrapper());
}
void CreateHost() {
CreateTopLevel();
CreateTestingHost();
native_view_.reset([[NSView alloc] initWithFrame:NSZeroRect]);
// Verify the expectation that the NativeViewHostWrapper is only created
// after the NativeViewHost is added to a widget.
EXPECT_FALSE(native_host());
toplevel()->GetRootView()->AddChildView(host());
EXPECT_TRUE(native_host());
host()->Attach(native_view_);
}
protected:
base::scoped_nsobject<NSView> native_view_;
private:
DISALLOW_COPY_AND_ASSIGN(NativeViewHostMacTest);
};
// Test destroying the top level widget before destroying the NativeViewHost.
// On Mac, also ensure that the native view is removed from its superview when
// the Widget containing its host is destroyed.
TEST_F(NativeViewHostMacTest, DestroyWidget) {
ResetHostDestroyedCount();
CreateHost();
ReleaseHost();
EXPECT_EQ(0, host_destroyed_count());
EXPECT_TRUE([native_view_ superview]);
DestroyTopLevel();
EXPECT_FALSE([native_view_ superview]);
EXPECT_EQ(1, host_destroyed_count());
}
// Ensure the native view receives the correct bounds when it is attached. On
// Mac, the bounds of the native view is relative to the NSWindow it is in, not
// the screen, and the coordinates have to be flipped.
TEST_F(NativeViewHostMacTest, Attach) {
CreateHost();
EXPECT_TRUE([native_view_ superview]);
EXPECT_TRUE([native_view_ window]);
host()->Detach();
[native_view_ setFrame:NSZeroRect];
toplevel()->SetBounds(gfx::Rect(64, 48, 100, 200));
host()->SetBounds(10, 10, 80, 60);
EXPECT_FALSE([native_view_ superview]);
EXPECT_FALSE([native_view_ window]);
EXPECT_TRUE(NSEqualRects(NSZeroRect, [native_view_ frame]));
host()->Attach(native_view_);
EXPECT_TRUE([native_view_ superview]);
EXPECT_TRUE([native_view_ window]);
// Expect the top-left to be 10 pixels below the titlebar.
int bottom = toplevel()->GetClientAreaBoundsInScreen().height() - 10 - 60;
EXPECT_TRUE(NSEqualRects(NSMakeRect(10, bottom, 80, 60),
[native_view_ frame]));
DestroyHost();
}
// Ensure the native view is hidden along with its host, and when detaching, or
// when attaching to a host that is already hidden.
TEST_F(NativeViewHostMacTest, NativeViewHidden) {
CreateHost();
toplevel()->SetBounds(gfx::Rect(0, 0, 100, 100));
host()->SetBounds(10, 10, 80, 60);
EXPECT_FALSE([native_view_ isHidden]);
host()->SetVisible(false);
EXPECT_TRUE([native_view_ isHidden]);
host()->SetVisible(true);
EXPECT_FALSE([native_view_ isHidden]);
host()->Detach();
EXPECT_TRUE([native_view_ isHidden]); // Hidden when detached.
[native_view_ setHidden:NO];
host()->SetVisible(false);
EXPECT_FALSE([native_view_ isHidden]); // Stays visible.
host()->Attach(native_view_);
EXPECT_TRUE([native_view_ isHidden]); // Hidden when attached.
host()->Detach();
[native_view_ setHidden:YES];
host()->SetVisible(true);
EXPECT_TRUE([native_view_ isHidden]); // Stays hidden.
host()->Attach(native_view_);
EXPECT_FALSE([native_view_ isHidden]); // Made visible when attached.
EXPECT_TRUE([native_view_ superview]);
toplevel()->GetRootView()->RemoveChildView(host());
EXPECT_TRUE([native_view_ isHidden]); // Hidden when removed from Widget.
EXPECT_FALSE([native_view_ superview]);
toplevel()->GetRootView()->AddChildView(host());
EXPECT_FALSE([native_view_ isHidden]); // And visible when added.
EXPECT_TRUE([native_view_ superview]);
DestroyHost();
}
} // namespace views
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