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// Copyright (c) 2011 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 "content/browser/renderer_host/accelerated_plugin_view_mac.h"
#include "base/logging.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "testing/platform_test.h"
@interface UnderlayCountingWindow : NSWindow {
@private
int underlayCount_;
}
@property (readonly, nonatomic) int underlayCount;
- (void)underlaySurfaceAdded;
- (void)underlaySurfaceRemoved;
@end
@implementation UnderlayCountingWindow
@synthesize underlayCount = underlayCount_;
- (void)underlaySurfaceAdded {
DCHECK_GE(underlayCount_, 0);
++underlayCount_;
}
- (void)underlaySurfaceRemoved {
--underlayCount_;
DCHECK_GE(underlayCount_, 0);
}
@end
class AcceleratedPluginViewTest : public PlatformTest {
protected:
AcceleratedPluginViewTest() {}
UnderlayCountingWindow* StubUnderlayWindow() {
UnderlayCountingWindow* window = [[[UnderlayCountingWindow alloc]
initWithContentRect:NSMakeRect(20, 20, 300, 200)
styleMask:NSBorderlessWindowMask
backing:NSBackingStoreBuffered
defer:NO] autorelease];
[window orderFront:nil];
return window;
}
AcceleratedPluginView* StubAcceleratedPluginView() {
// It truns out the rwhv and the plugin handle are not necessary for
// this test, and AcceleratedPluginView doesn't crash without them.
AcceleratedPluginView* view = [[[AcceleratedPluginView alloc]
initWithRenderWidgetHostViewMac:NULL
pluginHandle:0] autorelease];
return view;
}
private:
DISALLOW_COPY_AND_ASSIGN(AcceleratedPluginViewTest);
};
TEST_F(AcceleratedPluginViewTest, Basic) {
}
TEST_F(AcceleratedPluginViewTest, BasicAdding) {
AcceleratedPluginView* view = StubAcceleratedPluginView();
UnderlayCountingWindow* window = StubUnderlayWindow();
EXPECT_EQ(0, [window underlayCount]);
[[window contentView] addSubview:view];
EXPECT_EQ(1, [window underlayCount]);
[view removeFromSuperview];
EXPECT_EQ(0, [window underlayCount]);
}
TEST_F(AcceleratedPluginViewTest, MoveBetweenWindows) {
AcceleratedPluginView* view = StubAcceleratedPluginView();
UnderlayCountingWindow* window1 = StubUnderlayWindow();
UnderlayCountingWindow* window2 = StubUnderlayWindow();
EXPECT_EQ(0, [window1 underlayCount]);
EXPECT_EQ(0, [window2 underlayCount]);
[[window1 contentView] addSubview:view];
EXPECT_EQ(1, [window1 underlayCount]);
EXPECT_EQ(0, [window2 underlayCount]);
[[window2 contentView] addSubview:view];
EXPECT_EQ(0, [window1 underlayCount]);
EXPECT_EQ(1, [window2 underlayCount]);
}
TEST_F(AcceleratedPluginViewTest, HiddenWhenAdding) {
AcceleratedPluginView* view = StubAcceleratedPluginView();
[view setHidden:YES];
UnderlayCountingWindow* window = StubUnderlayWindow();
EXPECT_EQ(0, [window underlayCount]);
[[window contentView] addSubview:view];
EXPECT_EQ(0, [window underlayCount]);
[view setHidden:NO];
EXPECT_EQ(1, [window underlayCount]);
[view setHidden:YES];
EXPECT_EQ(0, [window underlayCount]);
[view removeFromSuperview];
EXPECT_EQ(0, [window underlayCount]);
}
TEST_F(AcceleratedPluginViewTest, HiddenAfterAdding) {
AcceleratedPluginView* view = StubAcceleratedPluginView();
UnderlayCountingWindow* window = StubUnderlayWindow();
EXPECT_EQ(0, [window underlayCount]);
[[window contentView] addSubview:view];
EXPECT_EQ(1, [window underlayCount]);
[view setHidden:YES];
EXPECT_EQ(0, [window underlayCount]);
[view setHidden:NO];
EXPECT_EQ(1, [window underlayCount]);
[view removeFromSuperview];
EXPECT_EQ(0, [window underlayCount]);
}
TEST_F(AcceleratedPluginViewTest, MoveBetweenWindowsWithHiding) {
AcceleratedPluginView* view = StubAcceleratedPluginView();
[view setHidden:YES];
UnderlayCountingWindow* window1 = StubUnderlayWindow();
UnderlayCountingWindow* window2 = StubUnderlayWindow();
EXPECT_EQ(0, [window1 underlayCount]);
EXPECT_EQ(0, [window2 underlayCount]);
[[window1 contentView] addSubview:view];
EXPECT_EQ(0, [window1 underlayCount]);
EXPECT_EQ(0, [window2 underlayCount]);
[view setHidden:NO];
EXPECT_EQ(1, [window1 underlayCount]);
EXPECT_EQ(0, [window2 underlayCount]);
// Move view while it's visible.
[[window2 contentView] addSubview:view];
EXPECT_EQ(0, [window1 underlayCount]);
EXPECT_EQ(1, [window2 underlayCount]);
[view setHidden:YES];
EXPECT_EQ(0, [window1 underlayCount]);
EXPECT_EQ(0, [window2 underlayCount]);
// Move view while it's hidden.
[[window1 contentView] addSubview:view];
EXPECT_EQ(0, [window1 underlayCount]);
EXPECT_EQ(0, [window2 underlayCount]);
[view setHidden:NO];
EXPECT_EQ(1, [window1 underlayCount]);
EXPECT_EQ(0, [window2 underlayCount]);
}
// Regression test for http://crbug.com/81737
TEST_F(AcceleratedPluginViewTest, RemoveWithHiddenParent) {
AcceleratedPluginView* view = StubAcceleratedPluginView();
NSView* parent =
[[[NSView alloc] initWithFrame:NSMakeRect(0, 0, 100, 100)] autorelease];
[parent addSubview:view];
UnderlayCountingWindow* window = StubUnderlayWindow();
EXPECT_EQ(0, [window underlayCount]);
[[window contentView] addSubview:parent];
EXPECT_EQ(1, [window underlayCount]);
[parent setHidden:YES];
EXPECT_EQ(0, [window underlayCount]);
[parent removeFromSuperview];
EXPECT_EQ(0, [window underlayCount]);
}
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