ui/compositor/test/test_compositor_host_ozone.cc

   1 // Copyright 2013 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.
   4
   5 #include "ui/compositor/test/test_compositor_host.h"
   6
   7 #include "base/basictypes.h"
   8 #include "base/bind.h"
   9 #include "base/compiler_specific.h"
  10 #include "base/logging.h"
  11 #include "base/memory/scoped_ptr.h"
  12 #include "base/memory/weak_ptr.h"
  13 #include "base/message_loop/message_loop.h"
  14 #include "ui/compositor/compositor.h"
  15 #include "ui/gfx/rect.h"
  16
  17 namespace ui {
  18
  19 class TestCompositorHostOzone : public TestCompositorHost {
  20  public:
  21   TestCompositorHostOzone(const gfx::Rect& bounds);
  22   virtual ~TestCompositorHostOzone();
  23
  24  private:
  25   // Overridden from TestCompositorHost:
  26   virtual void Show() OVERRIDE;
  27   virtual ui::Compositor* GetCompositor() OVERRIDE;
  28
  29   void Draw();
  30
  31   gfx::Rect bounds_;
  32
  33   scoped_ptr<ui::Compositor> compositor_;
  34
  35   DISALLOW_COPY_AND_ASSIGN(TestCompositorHostOzone);
  36 };
  37
  38 TestCompositorHostOzone::TestCompositorHostOzone(const gfx::Rect& bounds)
  39     : bounds_(bounds) {}
  40
  41 TestCompositorHostOzone::~TestCompositorHostOzone() {}
  42
  43 void TestCompositorHostOzone::Show() {
  44   // Ozone should rightly have a backing native framebuffer
  45   // An in-memory array draw into by OSMesa is a reasonble
  46   // fascimile of a dumb framebuffer at present.
  47   // GLSurface will allocate the array so long as it is provided
  48   // with a non-0 widget.
  49   // TODO(rjkroege): Use a "real" ozone widget when it is
  50   // available: http://crbug.com/255128
  51   compositor_.reset(new ui::Compositor(1));
  52   compositor_->SetScaleAndSize(1.0f, bounds_.size());
  53 }
  54
  55 ui::Compositor* TestCompositorHostOzone::GetCompositor() {
  56   return compositor_.get();
  57 }
  58
  59 void TestCompositorHostOzone::Draw() {
  60   if (compositor_.get())
  61     compositor_->Draw();
  62 }
  63
  64 // static
  65 TestCompositorHost* TestCompositorHost::Create(const gfx::Rect& bounds) {
  66   return new TestCompositorHostOzone(bounds);
  67 }
  68
  69 }  // namespace ui