ui/compositor/test/test_compositor_host_x11.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 <X11/Xlib.h>
   8
   9 #include "base/basictypes.h"
  10 #include "base/bind.h"
  11 #include "base/compiler_specific.h"
  12 #include "base/logging.h"
  13 #include "base/memory/scoped_ptr.h"
  14 #include "base/memory/weak_ptr.h"
  15 #include "base/message_loop/message_loop.h"
  16 #include "ui/compositor/compositor.h"
  17 #include "ui/gfx/rect.h"
  18 #include "ui/gfx/x/x11_types.h"
  19
  20 namespace ui {
  21
  22 class TestCompositorHostX11 : public TestCompositorHost {
  23  public:
  24   TestCompositorHostX11(const gfx::Rect& bounds);
  25   virtual ~TestCompositorHostX11();
  26
  27  private:
  28   // Overridden from TestCompositorHost:
  29   virtual void Show() OVERRIDE;
  30   virtual ui::Compositor* GetCompositor() OVERRIDE;
  31
  32   void Draw();
  33
  34   gfx::Rect bounds_;
  35
  36   scoped_ptr<ui::Compositor> compositor_;
  37
  38   XID window_;
  39
  40   DISALLOW_COPY_AND_ASSIGN(TestCompositorHostX11);
  41 };
  42
  43 TestCompositorHostX11::TestCompositorHostX11(const gfx::Rect& bounds)
  44     : bounds_(bounds) {
  45 }
  46
  47 TestCompositorHostX11::~TestCompositorHostX11() {
  48 }
  49
  50 void TestCompositorHostX11::Show() {
  51   XDisplay* display = gfx::GetXDisplay();
  52   XSetWindowAttributes swa;
  53   swa.event_mask = StructureNotifyMask | ExposureMask;
  54   swa.override_redirect = True;
  55   window_ = XCreateWindow(
  56       display,
  57       RootWindow(display, DefaultScreen(display)),  // parent
  58       bounds_.x(), bounds_.y(), bounds_.width(), bounds_.height(),
  59       0,  // border width
  60       CopyFromParent,  // depth
  61       InputOutput,
  62       CopyFromParent,  // visual
  63       CWEventMask | CWOverrideRedirect, &swa);
  64   XMapWindow(display, window_);
  65
  66   while (1) {
  67     XEvent event;
  68     XNextEvent(display, &event);
  69     if (event.type == MapNotify && event.xmap.window == window_)
  70       break;
  71   }
  72   compositor_.reset(new ui::Compositor(window_));
  73   compositor_->SetScaleAndSize(1.0f, bounds_.size());
  74 }
  75
  76 ui::Compositor* TestCompositorHostX11::GetCompositor() {
  77   return compositor_.get();
  78 }
  79
  80 void TestCompositorHostX11::Draw() {
  81   if (compositor_.get())
  82     compositor_->Draw();
  83 }
  84
  85 // static
  86 TestCompositorHost* TestCompositorHost::Create(const gfx::Rect& bounds) {
  87   return new TestCompositorHostX11(bounds);
  88 }
  89
  90 }  // namespace ui