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/thread_task_runner_handle.h"
  16 #include "ui/compositor/compositor.h"
  17 #include "ui/gfx/geometry/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                         ui::ContextFactory* context_factory);
  26   ~TestCompositorHostX11() override;
  27
  28  private:
  29   // Overridden from TestCompositorHost:
  30   void Show() override;
  31   ui::Compositor* GetCompositor() override;
  32
  33   gfx::Rect bounds_;
  34
  35   ui::ContextFactory* context_factory_;
  36
  37   ui::Compositor compositor_;
  38
  39   XID window_;
  40
  41   DISALLOW_COPY_AND_ASSIGN(TestCompositorHostX11);
  42 };
  43
  44 TestCompositorHostX11::TestCompositorHostX11(
  45     const gfx::Rect& bounds,
  46     ui::ContextFactory* context_factory)
  47     : bounds_(bounds),
  48       context_factory_(context_factory),
  49       compositor_(context_factory_, base::ThreadTaskRunnerHandle::Get()) {}
  50
  51 TestCompositorHostX11::~TestCompositorHostX11() {
  52 }
  53
  54 void TestCompositorHostX11::Show() {
  55   XDisplay* display = gfx::GetXDisplay();
  56   XSetWindowAttributes swa;
  57   swa.event_mask = StructureNotifyMask | ExposureMask;
  58   swa.override_redirect = True;
  59   window_ = XCreateWindow(
  60       display,
  61       RootWindow(display, DefaultScreen(display)),  // parent
  62       bounds_.x(), bounds_.y(), bounds_.width(), bounds_.height(),
  63       0,  // border width
  64       CopyFromParent,  // depth
  65       InputOutput,
  66       CopyFromParent,  // visual
  67       CWEventMask | CWOverrideRedirect, &swa);
  68   XMapWindow(display, window_);
  69
  70   while (1) {
  71     XEvent event;
  72     XNextEvent(display, &event);
  73     if (event.type == MapNotify && event.xmap.window == window_)
  74       break;
  75   }
  76   compositor_.SetAcceleratedWidgetAndStartCompositor(window_);
  77   compositor_.SetScaleAndSize(1.0f, bounds_.size());
  78 }
  79
  80 ui::Compositor* TestCompositorHostX11::GetCompositor() {
  81   return &compositor_;
  82 }
  83
  84 // static
  85 TestCompositorHost* TestCompositorHost::Create(
  86     const gfx::Rect& bounds,
  87     ui::ContextFactory* context_factory) {
  88   return new TestCompositorHostX11(bounds, context_factory);
  89 }
  90
  91 }  // namespace ui