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(hwnd(),
  22                                          context_factory,
  23                                          base::ThreadTaskRunnerHandle::Get()));
  24     compositor_->SetScaleAndSize(1.0f, GetSize());
  25   }
  26
  27   virtual ~TestCompositorHostWin() {
  28     DestroyWindow(hwnd());
  29   }
  30
  31   // Overridden from TestCompositorHost:
  32   virtual void Show() override {
  33     ShowWindow(hwnd(), SW_SHOWNORMAL);
  34   }
  35   virtual ui::Compositor* GetCompositor() override {
  36     return compositor_.get();
  37   }
  38
  39  private:
  40   CR_BEGIN_MSG_MAP_EX(TestCompositorHostWin)
  41     CR_MSG_WM_PAINT(OnPaint)
  42   CR_END_MSG_MAP()
  43
  44   void OnPaint(HDC dc) {
  45     compositor_->Draw();
  46     ValidateRect(hwnd(), NULL);
  47   }
  48
  49   gfx::Size GetSize() {
  50     RECT r;
  51     GetClientRect(hwnd(), &r);
  52     return gfx::Rect(r).size();
  53   }
  54
  55   scoped_ptr<ui::Compositor> compositor_;
  56
  57   DISALLOW_COPY_AND_ASSIGN(TestCompositorHostWin);
  58 };
  59
  60 TestCompositorHost* TestCompositorHost::Create(
  61     const gfx::Rect& bounds,
  62     ui::ContextFactory* context_factory) {
  63   return new TestCompositorHostWin(bounds, context_factory);
  64 }
  65
  66 }  // namespace ui