ash/ui_controls_ash.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 "ash/shell.h"
   6 #include "ash/shell_factory.h"
   7 #include "ash/wm/coordinate_conversion.h"
   8 #include "ash/wm/window_properties.h"
   9 #include "ui/aura/client/capture_client.h"
  10 #include "ui/aura/client/screen_position_client.h"
  11 #include "ui/aura/root_window.h"
  12 #include "ui/aura/ui_controls_aura.h"
  13 #include "ui/gfx/screen.h"
  14 #include "ui/ui_controls/ui_controls_aura.h"
  15
  16 namespace ash {
  17 namespace internal {
  18 namespace {
  19
  20 // Returns the UIControls object for RootWindow.
  21 // kUIControlsKey is owned property and UIControls object
  22 // will be deleted when the root window is deleted.
  23 ui_controls::UIControlsAura* GetUIControlsForRootWindow(
  24     aura::RootWindow* root_window) {
  25   ui_controls::UIControlsAura* native_ui_control =
  26       root_window->GetProperty(kUIControlsKey);
  27   if (!native_ui_control) {
  28     native_ui_control = aura::CreateUIControlsAura(root_window);
  29     // Pass the ownership to the |root_window|.
  30     root_window->SetProperty(kUIControlsKey, native_ui_control);
  31   }
  32   return native_ui_control;
  33 }
  34
  35 // Returns the UIControls object for the RootWindow at the |point_in_screen|
  36 // in virtual screen coordinates, and updates the |point| relative to the
  37 // UIControlsAura's root window.  NULL if there is no RootWindow under
  38 // the |point_in_screen|.
  39 ui_controls::UIControlsAura* GetUIControlsAt(gfx::Point* point_in_screen) {
  40   // TODO(mazda): Support the case passive grab is taken.
  41   aura::RootWindow* root = wm::GetRootWindowAt(*point_in_screen);
  42
  43   aura::client::ScreenPositionClient* screen_position_client =
  44       aura::client::GetScreenPositionClient(root);
  45   if (screen_position_client)
  46     screen_position_client->ConvertPointFromScreen(root, point_in_screen);
  47
  48   return GetUIControlsForRootWindow(root);
  49 }
  50
  51 }  // namespace
  52
  53 class UIControlsAsh : public ui_controls::UIControlsAura {
  54  public:
  55   UIControlsAsh() {
  56   }
  57   virtual ~UIControlsAsh() {
  58   }
  59
  60   // ui_controls::UIControslAura overrides:
  61   virtual bool SendKeyPress(gfx::NativeWindow window,
  62                             ui::KeyboardCode key,
  63                             bool control,
  64                             bool shift,
  65                             bool alt,
  66                             bool command) OVERRIDE {
  67     return SendKeyPressNotifyWhenDone(
  68         window, key, control, shift, alt, command, base::Closure());
  69   }
  70
  71   virtual bool SendKeyPressNotifyWhenDone(
  72       gfx::NativeWindow window,
  73       ui::KeyboardCode key,
  74       bool control,
  75       bool shift,
  76       bool alt,
  77       bool command,
  78       const base::Closure& closure) OVERRIDE {
  79     aura::RootWindow* root =
  80         window ? window->GetRootWindow() : Shell::GetActiveRootWindow();
  81     ui_controls::UIControlsAura* ui_controls = GetUIControlsForRootWindow(root);
  82     return ui_controls && ui_controls->SendKeyPressNotifyWhenDone(
  83         window, key, control, shift, alt, command, closure);
  84   }
  85
  86   virtual bool SendMouseMove(long x, long y) OVERRIDE {
  87     gfx::Point p(x, y);
  88     ui_controls::UIControlsAura* ui_controls = GetUIControlsAt(&p);
  89     return ui_controls && ui_controls->SendMouseMove(p.x(), p.y());
  90   }
  91
  92   virtual bool SendMouseMoveNotifyWhenDone(
  93       long x,
  94       long y,
  95       const base::Closure& closure) OVERRIDE {
  96     gfx::Point p(x, y);
  97     ui_controls::UIControlsAura* ui_controls = GetUIControlsAt(&p);
  98     return ui_controls &&
  99         ui_controls->SendMouseMoveNotifyWhenDone(p.x(), p.y(), closure);
 100   }
 101
 102   virtual bool SendMouseEvents(ui_controls::MouseButton type,
 103                                int state) OVERRIDE {
 104     gfx::Point p(Shell::GetScreen()->GetCursorScreenPoint());
 105     ui_controls::UIControlsAura* ui_controls = GetUIControlsAt(&p);
 106     return ui_controls && ui_controls->SendMouseEvents(type, state);
 107   }
 108
 109   virtual bool SendMouseEventsNotifyWhenDone(
 110       ui_controls::MouseButton type,
 111       int state,
 112       const base::Closure& closure) OVERRIDE {
 113     gfx::Point p(Shell::GetScreen()->GetCursorScreenPoint());
 114     ui_controls::UIControlsAura* ui_controls = GetUIControlsAt(&p);
 115     return ui_controls && ui_controls->SendMouseEventsNotifyWhenDone(
 116         type, state, closure);
 117   }
 118
 119   virtual bool SendMouseClick(ui_controls::MouseButton type) OVERRIDE {
 120     gfx::Point p(Shell::GetScreen()->GetCursorScreenPoint());
 121     ui_controls::UIControlsAura* ui_controls = GetUIControlsAt(&p);
 122     return ui_controls && ui_controls->SendMouseClick(type);
 123   }
 124
 125   virtual void RunClosureAfterAllPendingUIEvents(
 126       const base::Closure& closure) OVERRIDE {
 127     ui_controls::UIControlsAura* ui_controls = GetUIControlsForRootWindow(
 128         Shell::GetActiveRootWindow());
 129     if (ui_controls)
 130       ui_controls->RunClosureAfterAllPendingUIEvents(closure);
 131   }
 132
 133  private:
 134   DISALLOW_COPY_AND_ASSIGN(UIControlsAsh);
 135 };
 136
 137 ui_controls::UIControlsAura* CreateUIControls() {
 138   return new UIControlsAsh();
 139 }
 140
 141 }  // namespace internal
 142 }  // namespace ash