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// Copyright 2013 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.
#import "ui/base/cocoa/controls/hover_image_menu_button.h"
#include "base/mac/foundation_util.h"
#import "testing/gtest_mac.h"
#import "ui/base/cocoa/controls/hover_image_menu_button_cell.h"
#import "ui/gfx/test/ui_cocoa_test_helper.h"
namespace ui {
namespace {
// Test initialization and display of the NSPopUpButton that shows the drop-
// down menu. Don't try to show the menu, since it will block the thread.
class HoverImageMenuButtonTest : public CocoaTest {
public:
HoverImageMenuButtonTest() {}
// CocoaTest override:
void SetUp() override;
protected:
base::scoped_nsobject<HoverImageMenuButton> menu_button_;
base::scoped_nsobject<NSImage> normal_;
base::scoped_nsobject<NSImage> pressed_;
base::scoped_nsobject<NSImage> hovered_;
DISALLOW_COPY_AND_ASSIGN(HoverImageMenuButtonTest);
};
void HoverImageMenuButtonTest::SetUp() {
menu_button_.reset(
[[HoverImageMenuButton alloc] initWithFrame:NSMakeRect(0, 0, 50, 30)
pullsDown:YES]);
normal_.reset([base::mac::ObjCCastStrict<NSImage>(
[NSImage imageNamed:NSImageNameStatusAvailable]) retain]);
pressed_.reset([base::mac::ObjCCastStrict<NSImage>(
[NSImage imageNamed:NSImageNameStatusUnavailable]) retain]);
hovered_.reset([base::mac::ObjCCastStrict<NSImage>(
[NSImage imageNamed:NSImageNameStatusPartiallyAvailable]) retain]);
[[menu_button_ hoverImageMenuButtonCell] setDefaultImage:normal_];
[[menu_button_ hoverImageMenuButtonCell] setAlternateImage:pressed_];
[[menu_button_ hoverImageMenuButtonCell] setHoverImage:hovered_];
CocoaTest::SetUp();
[[test_window() contentView] addSubview:menu_button_];
}
} // namespace
TEST_VIEW(HoverImageMenuButtonTest, menu_button_);
// Tests that the correct image is chosen, depending on the cell's state flags.
TEST_F(HoverImageMenuButtonTest, CheckImagesForState) {
EXPECT_FALSE([[menu_button_ cell] isHovered]);
EXPECT_FALSE([[menu_button_ cell] isHighlighted]);
EXPECT_NSEQ(normal_, [[menu_button_ cell] imageToDraw]);
[menu_button_ display];
[[menu_button_ cell] setHovered:YES];
EXPECT_TRUE([[menu_button_ cell] isHovered]);
EXPECT_FALSE([[menu_button_ cell] isHighlighted]);
EXPECT_NSEQ(hovered_, [[menu_button_ cell] imageToDraw]);
[menu_button_ display];
// Highlighted takes precendece over hover.
[[menu_button_ cell] setHighlighted:YES];
EXPECT_TRUE([[menu_button_ cell] isHovered]);
EXPECT_TRUE([[menu_button_ cell] isHighlighted]);
EXPECT_NSEQ(pressed_, [[menu_button_ cell] imageToDraw]);
[menu_button_ display];
[[menu_button_ cell] setHovered:NO];
EXPECT_FALSE([[menu_button_ cell] isHovered]);
EXPECT_TRUE([[menu_button_ cell] isHighlighted]);
EXPECT_NSEQ(pressed_, [[menu_button_ cell] imageToDraw]);
[menu_button_ display];
[[menu_button_ cell] setHighlighted:NO];
EXPECT_FALSE([[menu_button_ cell] isHovered]);
EXPECT_FALSE([[menu_button_ cell] isHighlighted]);
EXPECT_NSEQ(normal_, [[menu_button_ cell] imageToDraw]);
[menu_button_ display];
}
// Tests that calling the various setXImage functions calls setNeedsDisplay.
TEST_F(HoverImageMenuButtonTest, NewImageCausesDisplay) {
[menu_button_ display];
EXPECT_FALSE([menu_button_ needsDisplay]);
// Uses setDefaultImage rather than setImage to ensure the image goes into the
// NSPopUpButtonCell's menuItem. It is then accessible using [NSCell image].
EXPECT_NSEQ(normal_, [[menu_button_ cell] image]);
[[menu_button_ cell] setDefaultImage:pressed_];
EXPECT_NSEQ(pressed_, [[menu_button_ cell] image]);
EXPECT_TRUE([menu_button_ needsDisplay]);
[menu_button_ display];
EXPECT_FALSE([menu_button_ needsDisplay]);
// Highlighting the cell requires a redisplay.
[[menu_button_ cell] setHighlighted:YES];
EXPECT_TRUE([menu_button_ needsDisplay]);
[menu_button_ display];
EXPECT_FALSE([menu_button_ needsDisplay]);
// setAlternateImage comes from NSButtonCell. Ensure the added setHover*
// behaviour matches.
[[menu_button_ cell] setAlternateImage:normal_];
EXPECT_TRUE([menu_button_ needsDisplay]);
[menu_button_ display];
EXPECT_FALSE([menu_button_ needsDisplay]);
// Setting the same image should not cause a redisplay.
[[menu_button_ cell] setAlternateImage:normal_];
EXPECT_FALSE([menu_button_ needsDisplay]);
// Unhighlighting requires a redisplay.
[[menu_button_ cell] setHighlighted:NO];
EXPECT_TRUE([menu_button_ needsDisplay]);
[menu_button_ display];
EXPECT_FALSE([menu_button_ needsDisplay]);
// Changing hover state requires a redisplay.
[[menu_button_ cell] setHovered:YES];
EXPECT_TRUE([menu_button_ needsDisplay]);
[menu_button_ display];
EXPECT_FALSE([menu_button_ needsDisplay]);
// setHoverImage comes directly from storage in HoverImageMenuButtonCell.
[[menu_button_ cell] setHoverImage:normal_];
EXPECT_TRUE([menu_button_ needsDisplay]);
[menu_button_ display];
EXPECT_FALSE([menu_button_ needsDisplay]);
// Setting the same image should not cause a redisplay.
[[menu_button_ cell] setHoverImage:normal_];
EXPECT_FALSE([menu_button_ needsDisplay]);
// Unhover requires a redisplay.
[[menu_button_ cell] setHovered:NO];
EXPECT_TRUE([menu_button_ needsDisplay]);
[menu_button_ display];
EXPECT_FALSE([menu_button_ needsDisplay]);
// Changing the image while not hovered should not require a redisplay.
[[menu_button_ cell] setHoverImage:pressed_];
EXPECT_FALSE([menu_button_ needsDisplay]);
}
// Test that the mouse enter and exit is properly handled, to set hover state.
TEST_F(HoverImageMenuButtonTest, SimulateMouseEnterExit) {
[menu_button_ display];
EXPECT_FALSE([menu_button_ needsDisplay]);
EXPECT_NSEQ(normal_, [[menu_button_ cell] imageToDraw]);
[menu_button_ mouseEntered:nil];
EXPECT_TRUE([menu_button_ needsDisplay]);
EXPECT_NSEQ(hovered_, [[menu_button_ cell] imageToDraw]);
[menu_button_ display];
EXPECT_FALSE([menu_button_ needsDisplay]);
[menu_button_ mouseExited:nil];
EXPECT_TRUE([menu_button_ needsDisplay]);
EXPECT_NSEQ(normal_, [[menu_button_ cell] imageToDraw]);
[menu_button_ display];
EXPECT_FALSE([menu_button_ needsDisplay]);
}
} // namespace ui
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