ui/compositor/test/test_compositor_host_win.cc

   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.
   4
   5 #include "ui/compositor/test/test_compositor_host.h"
   6
   7 #include "base/compiler_specific.h"
   8 #include "base/memory/scoped_ptr.h"
   9 #include "base/thread_task_runner_handle.h"
  10 #include "ui/compositor/compositor.h"
  11 #include "ui/gfx/win/window_impl.h"
  12
  13 namespace ui {
  14
  15 class TestCompositorHostWin : public TestCompositorHost,
  16                               public gfx::WindowImpl {
  17  public:
  18   TestCompositorHostWin(const gfx::Rect& bounds,
  19                         ui::ContextFactory* context_factory) {
  20     Init(NULL, bounds);
  21     compositor_.reset(new ui::Compositor(context_factory,
  22                                          base::ThreadTaskRunnerHandle::Get()));
  23     compositor_->SetAcceleratedWidgetAndStartCompositor(hwnd());
  24     compositor_->SetScaleAndSize(1.0f, GetSize());
  25   }
  26
  27   ~TestCompositorHostWin() override { DestroyWindow(hwnd()); }
  28
  29   // Overridden from TestCompositorHost:
  30   void Show() override { ShowWindow(hwnd(), SW_SHOWNORMAL); }
  31   ui::Compositor* GetCompositor() override { return compositor_.get(); }
  32
  33  private:
  34   CR_BEGIN_MSG_MAP_EX(TestCompositorHostWin)
  35     CR_MSG_WM_PAINT(OnPaint)
  36   CR_END_MSG_MAP()
  37
  38   void OnPaint(HDC dc) {
  39     compositor_->ScheduleFullRedraw();
  40     ValidateRect(hwnd(), NULL);
  41   }
  42
  43   gfx::Size GetSize() {
  44     RECT r;
  45     GetClientRect(hwnd(), &r);
  46     return gfx::Rect(r).size();
  47   }
  48
  49   scoped_ptr<ui::Compositor> compositor_;
  50
  51   DISALLOW_COPY_AND_ASSIGN(TestCompositorHostWin);
  52 };
  53
  54 TestCompositorHost* TestCompositorHost::Create(
  55     const gfx::Rect& bounds,
  56     ui::ContextFactory* context_factory) {
  57   return new TestCompositorHostWin(bounds, context_factory);
  58 }
  59
  60 }  // namespace ui