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// Copyright (c) 2012 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/compositor/test/test_compositor_host.h"
#import <AppKit/NSApplication.h>
#import <AppKit/NSOpenGL.h>
#import <AppKit/NSView.h>
#import <AppKit/NSWindow.h>
#import <Foundation/NSAutoreleasePool.h>
#include "base/compiler_specific.h"
#include "base/mac/scoped_nsobject.h"
#include "base/memory/scoped_ptr.h"
#include "base/message_loop/message_loop.h"
#include "ui/compositor/compositor.h"
#include "ui/gfx/rect.h"
// AcceleratedTestView provides an NSView class that delegates drawing to a
// ui::Compositor delegate, setting up the NSOpenGLContext as required.
@interface AcceleratedTestView : NSView {
ui::Compositor* compositor_;
}
// Designated initializer.
-(id)init;
-(void)setCompositor:(ui::Compositor*)compositor;
@end
@implementation AcceleratedTestView
-(id)init {
// The frame will be resized when reparented into the window's view hierarchy.
self = [super initWithFrame:NSZeroRect];
return self;
}
-(void)setCompositor:(ui::Compositor*)compositor {
compositor_ = compositor;
}
- (void)drawRect:(NSRect)rect {
DCHECK(compositor_) << "Drawing with no compositor set.";
compositor_->Draw();
}
@end
namespace ui {
// Tests that use Objective-C memory semantics need to have a top-level
// NSAutoreleasePool set up and initialized prior to execution and drained upon
// exit. The tests will leak otherwise.
class FoundationHost {
protected:
FoundationHost() {
pool_ = [[NSAutoreleasePool alloc] init];
}
virtual ~FoundationHost() {
[pool_ drain];
}
private:
NSAutoreleasePool* pool_;
DISALLOW_COPY_AND_ASSIGN(FoundationHost);
};
// Tests that use the AppKit framework need to have the NSApplication
// initialized prior to doing anything with display objects such as windows,
// views, or controls.
class AppKitHost : public FoundationHost {
protected:
AppKitHost() {
[NSApplication sharedApplication];
}
virtual ~AppKitHost() {
}
private:
DISALLOW_COPY_AND_ASSIGN(AppKitHost);
};
// TestCompositorHostMac provides a window surface and a coordinated compositor
// for use in the compositor unit tests.
class TestCompositorHostMac : public TestCompositorHost,
public AppKitHost {
public:
TestCompositorHostMac(const gfx::Rect& bounds,
ui::ContextFactory* context_factory);
virtual ~TestCompositorHostMac();
private:
// TestCompositorHost:
virtual void Show() OVERRIDE;
virtual ui::Compositor* GetCompositor() OVERRIDE;
gfx::Rect bounds_;
ui::ContextFactory* context_factory_;
scoped_ptr<ui::Compositor> compositor_;
// Owned. Released when window is closed.
NSWindow* window_;
DISALLOW_COPY_AND_ASSIGN(TestCompositorHostMac);
};
TestCompositorHostMac::TestCompositorHostMac(
const gfx::Rect& bounds,
ui::ContextFactory* context_factory)
: bounds_(bounds), context_factory_(context_factory), window_(nil) {
}
TestCompositorHostMac::~TestCompositorHostMac() {
// Release reference to |compositor_|. Important because the |compositor_|
// holds |this| as its delegate, so that reference must be removed here.
[[window_ contentView] setCompositor:NULL];
[window_ setContentView:nil];
[window_ orderOut:nil];
[window_ close];
}
void TestCompositorHostMac::Show() {
DCHECK(!window_);
window_ = [[NSWindow alloc]
initWithContentRect:NSMakeRect(bounds_.x(),
bounds_.y(),
bounds_.width(),
bounds_.height())
styleMask:NSBorderlessWindowMask
backing:NSBackingStoreBuffered
defer:NO];
base::scoped_nsobject<AcceleratedTestView> view(
[[AcceleratedTestView alloc] init]);
compositor_.reset(new ui::Compositor(view,
context_factory_,
base::MessageLoopProxy::current()));
compositor_->SetScaleAndSize(1.0f, bounds_.size());
[view setCompositor:compositor_.get()];
[window_ setContentView:view];
[window_ orderFront:nil];
}
ui::Compositor* TestCompositorHostMac::GetCompositor() {
return compositor_.get();
}
// static
TestCompositorHost* TestCompositorHost::Create(
const gfx::Rect& bounds,
ui::ContextFactory* context_factory) {
return new TestCompositorHostMac(bounds, context_factory);
}
} // namespace ui
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