athena/screen/screen_accelerator_handler.cc

   1 // Copyright 2014 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 "athena/screen/screen_accelerator_handler.h"
   6
   7 #include "athena/input/public/accelerator_manager.h"
   8 #include "athena/screen/public/screen_manager.h"
   9 #include "ui/events/event_constants.h"
  10 #include "ui/gfx/display.h"
  11 #include "ui/gfx/screen.h"
  12
  13 namespace athena {
  14 namespace {
  15
  16 enum Command {
  17   CMD_ROTATE_SCREEN,
  18 };
  19
  20 const AcceleratorData accelerator_data[] = {
  21     {TRIGGER_ON_PRESS, ui::VKEY_F3,
  22      ui::EF_CONTROL_DOWN | ui::EF_SHIFT_DOWN,
  23      CMD_ROTATE_SCREEN, AF_NONE},
  24 };
  25
  26 void HandleRotateScreen() {
  27   ScreenManager* screen_manager = ScreenManager::Get();
  28   gfx::Display::Rotation current_rotation =
  29       gfx::Screen::GetNativeScreen()->GetPrimaryDisplay().rotation();
  30   if (current_rotation == gfx::Display::ROTATE_0)
  31     screen_manager->SetRotation(gfx::Display::ROTATE_90);
  32   else if (current_rotation == gfx::Display::ROTATE_90)
  33     screen_manager->SetRotation(gfx::Display::ROTATE_180);
  34   else if (current_rotation == gfx::Display::ROTATE_180)
  35     screen_manager->SetRotation(gfx::Display::ROTATE_270);
  36   else if (current_rotation == gfx::Display::ROTATE_270)
  37     screen_manager->SetRotation(gfx::Display::ROTATE_0);
  38 }
  39
  40 }  // namespace
  41
  42 ScreenAcceleratorHandler::ScreenAcceleratorHandler() {
  43   AcceleratorManager::Get()->RegisterAccelerators(
  44       accelerator_data, arraysize(accelerator_data), this);
  45 }
  46
  47 ScreenAcceleratorHandler::~ScreenAcceleratorHandler() {
  48 }
  49
  50 bool ScreenAcceleratorHandler::IsCommandEnabled(int command_id) const {
  51   return true;
  52 }
  53
  54 bool ScreenAcceleratorHandler::OnAcceleratorFired(
  55     int command_id,
  56     const ui::Accelerator& accelerator) {
  57   switch (command_id) {
  58     case CMD_ROTATE_SCREEN:
  59       HandleRotateScreen();
  60       return true;
  61   }
  62   return false;
  63 }
  64
  65 }  // namesapce athena