src/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/thread_task_runner_handle.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                           ui::ContextFactory* context_factory);
  23   virtual ~TestCompositorHostOzone();
  24
  25  private:
  26   // Overridden from TestCompositorHost:
  27   virtual void Show() override;
  28   virtual ui::Compositor* GetCompositor() override;
  29
  30   void Draw();
  31
  32   gfx::Rect bounds_;
  33
  34   ui::ContextFactory* context_factory_;
  35
  36   scoped_ptr<ui::Compositor> compositor_;
  37
  38   DISALLOW_COPY_AND_ASSIGN(TestCompositorHostOzone);
  39 };
  40
  41 TestCompositorHostOzone::TestCompositorHostOzone(
  42     const gfx::Rect& bounds,
  43     ui::ContextFactory* context_factory)
  44     : bounds_(bounds),
  45       context_factory_(context_factory) {}
  46
  47 TestCompositorHostOzone::~TestCompositorHostOzone() {}
  48
  49 void TestCompositorHostOzone::Show() {
  50   // Ozone should rightly have a backing native framebuffer
  51   // An in-memory array draw into by OSMesa is a reasonble
  52   // fascimile of a dumb framebuffer at present.
  53   // GLSurface will allocate the array so long as it is provided
  54   // with a non-0 widget.
  55   // TODO(rjkroege): Use a "real" ozone widget when it is
  56   // available: http://crbug.com/255128
  57   compositor_.reset(new ui::Compositor(1,
  58                                        context_factory_,
  59                                        base::ThreadTaskRunnerHandle::Get()));
  60   compositor_->SetScaleAndSize(1.0f, bounds_.size());
  61 }
  62
  63 ui::Compositor* TestCompositorHostOzone::GetCompositor() {
  64   return compositor_.get();
  65 }
  66
  67 void TestCompositorHostOzone::Draw() {
  68   if (compositor_.get())
  69     compositor_->Draw();
  70 }
  71
  72 // static
  73 TestCompositorHost* TestCompositorHost::Create(
  74     const gfx::Rect& bounds,
  75     ui::ContextFactory* context_factory) {
  76   return new TestCompositorHostOzone(bounds, context_factory);
  77 }
  78
  79 }  // namespace ui