1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
5 #include "ui/compositor/test/test_compositor_host.h"
7 #import <AppKit/NSApplication.h>
8 #import <AppKit/NSOpenGL.h>
9 #import <AppKit/NSView.h>
10 #import <AppKit/NSWindow.h>
11 #import <Foundation/NSAutoreleasePool.h>
13 #include "base/compiler_specific.h"
14 #include "base/mac/scoped_nsobject.h"
15 #include "base/memory/scoped_ptr.h"
16 #include "base/thread_task_runner_handle.h"
17 #include "ui/compositor/compositor.h"
18 #include "ui/gfx/rect.h"
20 // AcceleratedTestView provides an NSView class that delegates drawing to a
21 // ui::Compositor delegate, setting up the NSOpenGLContext as required.
22 @interface AcceleratedTestView : NSView {
23 ui::Compositor* compositor_;
25 // Designated initializer.
27 -(void)setCompositor:(ui::Compositor*)compositor;
30 @implementation AcceleratedTestView
32 // The frame will be resized when reparented into the window's view hierarchy.
33 self = [super initWithFrame:NSZeroRect];
37 -(void)setCompositor:(ui::Compositor*)compositor {
38 compositor_ = compositor;
41 - (void)drawRect:(NSRect)rect {
42 DCHECK(compositor_) << "Drawing with no compositor set.";
49 // Tests that use Objective-C memory semantics need to have a top-level
50 // NSAutoreleasePool set up and initialized prior to execution and drained upon
51 // exit. The tests will leak otherwise.
52 class FoundationHost {
55 pool_ = [[NSAutoreleasePool alloc] init];
57 virtual ~FoundationHost() {
62 NSAutoreleasePool* pool_;
63 DISALLOW_COPY_AND_ASSIGN(FoundationHost);
66 // Tests that use the AppKit framework need to have the NSApplication
67 // initialized prior to doing anything with display objects such as windows,
68 // views, or controls.
69 class AppKitHost : public FoundationHost {
72 [NSApplication sharedApplication];
74 virtual ~AppKitHost() {
77 DISALLOW_COPY_AND_ASSIGN(AppKitHost);
80 // TestCompositorHostMac provides a window surface and a coordinated compositor
81 // for use in the compositor unit tests.
82 class TestCompositorHostMac : public TestCompositorHost,
85 TestCompositorHostMac(const gfx::Rect& bounds,
86 ui::ContextFactory* context_factory);
87 virtual ~TestCompositorHostMac();
90 // TestCompositorHost:
91 virtual void Show() OVERRIDE;
92 virtual ui::Compositor* GetCompositor() OVERRIDE;
96 ui::ContextFactory* context_factory_;
98 scoped_ptr<ui::Compositor> compositor_;
100 // Owned. Released when window is closed.
103 DISALLOW_COPY_AND_ASSIGN(TestCompositorHostMac);
106 TestCompositorHostMac::TestCompositorHostMac(
107 const gfx::Rect& bounds,
108 ui::ContextFactory* context_factory)
109 : bounds_(bounds), context_factory_(context_factory), window_(nil) {
112 TestCompositorHostMac::~TestCompositorHostMac() {
113 // Release reference to |compositor_|. Important because the |compositor_|
114 // holds |this| as its delegate, so that reference must be removed here.
115 [[window_ contentView] setCompositor:NULL];
116 [window_ setContentView:nil];
118 [window_ orderOut:nil];
122 void TestCompositorHostMac::Show() {
124 window_ = [[NSWindow alloc]
125 initWithContentRect:NSMakeRect(bounds_.x(),
129 styleMask:NSBorderlessWindowMask
130 backing:NSBackingStoreBuffered
132 base::scoped_nsobject<AcceleratedTestView> view(
133 [[AcceleratedTestView alloc] init]);
134 compositor_.reset(new ui::Compositor(view,
136 base::ThreadTaskRunnerHandle::Get()));
137 compositor_->SetScaleAndSize(1.0f, bounds_.size());
138 [view setCompositor:compositor_.get()];
139 [window_ setContentView:view];
140 [window_ orderFront:nil];
143 ui::Compositor* TestCompositorHostMac::GetCompositor() {
144 return compositor_.get();
148 TestCompositorHost* TestCompositorHost::Create(
149 const gfx::Rect& bounds,
150 ui::ContextFactory* context_factory) {
151 return new TestCompositorHostMac(bounds, context_factory);