display_manager.cc revision 5d1f7b1de12d16ceb2c938c56701a3e8bfa558f7
1a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org// Copyright (c) 2012 The Chromium Authors. All rights reserved. 2a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org// Use of this source code is governed by a BSD-style license that can be 3a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org// found in the LICENSE file. 4a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org 5a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org#include "ash/display/display_manager.h" 6a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org 7a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org#include <cmath> 8a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org#include <set> 9a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org#include <string> 10a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org#include <vector> 11a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org 12a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org#include "ash/ash_switches.h" 13a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org#include "ash/display/display_layout_store.h" 14a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org#include "ash/display/screen_ash.h" 15a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org#include "ash/screen_util.h" 16a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org#include "ash/shell.h" 17a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org#include "base/auto_reset.h" 18a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org#include "base/command_line.h" 19a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org#include "base/logging.h" 20a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org#include "base/strings/string_number_conversions.h" 21a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org#include "base/strings/string_split.h" 22a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org#include "base/strings/stringprintf.h" 23a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org#include "base/strings/utf_string_conversions.h" 24a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org#include "grit/ash_strings.h" 25a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org#include "ui/base/l10n/l10n_util.h" 26a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org#include "ui/gfx/display.h" 27a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org#include "ui/gfx/rect.h" 28a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org#include "ui/gfx/screen.h" 29a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org#include "ui/gfx/size_conversions.h" 30a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org 31a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org#if defined(USE_X11) 32a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org#include "ui/base/x/x11_util.h" 33a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org#endif 34a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org 35a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org#if defined(OS_CHROMEOS) 36a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org#include "ash/display/output_configurator_animation.h" 37a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org#include "base/sys_info.h" 38a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org#include "chromeos/display/output_configurator.h" 39a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org#endif 40a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org 41a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org#if defined(OS_WIN) 42a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org#include "base/win/windows_version.h" 43a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org#endif 44a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org 45a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.orgnamespace ash { 46a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.orgnamespace internal { 47a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.orgtypedef std::vector<gfx::Display> DisplayList; 48a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.orgtypedef std::vector<DisplayInfo> DisplayInfoList; 49a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org 50a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.orgnamespace { 51a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org 52a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org// We need to keep this in order for unittests to tell if 53a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org// the object in gfx::Screen::GetScreenByType is for shutdown. 54a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.orggfx::Screen* screen_for_shutdown = NULL; 55a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org 56a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org// The number of pixels to overlap between the primary and secondary displays, 57a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org// in case that the offset value is too large. 58a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.orgconst int kMinimumOverlapForInvalidOffset = 100; 59a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org 60a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org// List of value UI Scale values. Scales for 2x are equivalent to 640, 61a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org// 800, 1024, 1280, 1440, 1600 and 1920 pixel width respectively on 62a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org// 2560 pixel width 2x density display. Please see crbug.com/233375 63a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org// for the full list of resolutions. 64a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.orgconst float kUIScalesFor2x[] = 65a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org {0.5f, 0.625f, 0.8f, 1.0f, 1.125f, 1.25f, 1.5f, 2.0f}; 66a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.orgconst float kUIScalesFor1280[] = {0.5f, 0.625f, 0.8f, 1.0f, 1.125f }; 67a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.orgconst float kUIScalesFor1366[] = {0.5f, 0.6f, 0.75f, 1.0f, 1.125f }; 68a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org 69a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.orgstruct DisplaySortFunctor { 70a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org bool operator()(const gfx::Display& a, const gfx::Display& b) { 71a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org return a.id() < b.id(); 72a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org } 73a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org}; 74a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org 75a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.orgstruct DisplayInfoSortFunctor { 76a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org bool operator()(const DisplayInfo& a, const DisplayInfo& b) { 77a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org return a.id() < b.id(); 78a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org } 79a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org}; 80a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org 81a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.orgstruct DisplayModeMatcher { 82a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org DisplayModeMatcher(const gfx::Size& size) : size(size) {} 83a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org bool operator()(const DisplayMode& mode) { return mode.size == size; } 84a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org gfx::Size size; 85a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org}; 86a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org 87a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.orgstruct ScaleComparator { 88a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org explicit ScaleComparator(float s) : scale(s) {} 89a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org 90a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org bool operator()(float s) const { 91a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org const float kEpsilon = 0.0001f; 92a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org return std::abs(scale - s) < kEpsilon; 93a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org } 94a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org float scale; 95a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org}; 96a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org 97a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.orggfx::Display& GetInvalidDisplay() { 98a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org static gfx::Display* invalid_display = new gfx::Display(); 99a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org return *invalid_display; 100a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org} 101a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org 102a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.orgvoid MaybeInitInternalDisplay(int64 id) { 103a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org CommandLine* command_line = CommandLine::ForCurrentProcess(); 104a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org if (command_line->HasSwitch(switches::kAshUseFirstDisplayAsInternal)) 105a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org gfx::Display::SetInternalDisplayId(id); 106a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org} 107a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org 108a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org// Scoped objects used to either create or close the non desktop window 109a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org// at specific timing. 110a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.orgclass NonDesktopDisplayUpdater { 111a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org public: 112a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org NonDesktopDisplayUpdater(DisplayManager* manager, 113a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org DisplayManager::Delegate* delegate) 114a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org : manager_(manager), 115a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org delegate_(delegate), 116a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org enabled_(manager_->second_display_mode() != DisplayManager::EXTENDED && 117a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org manager_->non_desktop_display().is_valid()) { 118a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org } 119a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org 120a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org ~NonDesktopDisplayUpdater() { 121a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org if (!delegate_) 122a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org return; 123a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org 124a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org if (enabled_) { 125a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org DisplayInfo display_info = manager_->GetDisplayInfo( 126a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org manager_->non_desktop_display().id()); 127a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org delegate_->CreateOrUpdateNonDesktopDisplay(display_info); 128a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org } else { 129a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org delegate_->CloseNonDesktopDisplay(); 130a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org } 131a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org } 132a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org 133a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org bool enabled() const { return enabled_; } 134a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org 135a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org private: 136a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org DisplayManager* manager_; 137a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org DisplayManager::Delegate* delegate_; 138a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org bool enabled_; 139a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org DISALLOW_COPY_AND_ASSIGN(NonDesktopDisplayUpdater); 140a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org}; 141a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org 142a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org} // namespace 143a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org 144a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.orgusing std::string; 145a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.orgusing std::vector; 146a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org 147a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.orgDisplayManager::DisplayManager() 148a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org : delegate_(NULL), 149a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org screen_ash_(new ScreenAsh), 150a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org screen_(screen_ash_.get()), 151a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org layout_store_(new DisplayLayoutStore), 152a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org first_display_id_(gfx::Display::kInvalidDisplayID), 153a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org num_connected_displays_(0), 154a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org force_bounds_changed_(false), 155a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org change_display_upon_host_resize_(false), 156a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org second_display_mode_(EXTENDED), 157a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org mirrored_display_id_(gfx::Display::kInvalidDisplayID) { 158a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org#if defined(OS_CHROMEOS) 159a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org change_display_upon_host_resize_ = !base::SysInfo::IsRunningOnChromeOS(); 160a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org#endif 161a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org gfx::Screen::SetScreenInstance(gfx::SCREEN_TYPE_ALTERNATE, 162a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org screen_ash_.get()); 163a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org gfx::Screen* current_native = 164a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org gfx::Screen::GetScreenByType(gfx::SCREEN_TYPE_NATIVE); 165a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org // If there is no native, or the native was for shutdown, 166a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org // use ash's screen. 167a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org if (!current_native || 168a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org current_native == screen_for_shutdown) { 169a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org gfx::Screen::SetScreenInstance(gfx::SCREEN_TYPE_NATIVE, 170a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org screen_ash_.get()); 171a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org } 172a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org} 173a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org 174a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.orgDisplayManager::~DisplayManager() { 175a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org} 176a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org 177a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org// static 178a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.orgstd::vector<float> DisplayManager::GetScalesForDisplay( 179a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org const DisplayInfo& info) { 180a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org std::vector<float> ret; 181a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org if (info.device_scale_factor() == 2.0f) { 182a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org ret.assign(kUIScalesFor2x, kUIScalesFor2x + arraysize(kUIScalesFor2x)); 183a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org return ret; 184a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org } 185a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org switch (info.bounds_in_native().width()) { 186a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org case 1280: 187750145ab1b720c97adf2b548cc8fbd28c8b8e06dulan@chromium.org ret.assign(kUIScalesFor1280, 1884cd70b470729dd5850dd4120a350f01363d16837yangguo@chromium.org kUIScalesFor1280 + arraysize(kUIScalesFor1280)); 1894cd70b470729dd5850dd4120a350f01363d16837yangguo@chromium.org break; 1904cd70b470729dd5850dd4120a350f01363d16837yangguo@chromium.org case 1366: 1914cd70b470729dd5850dd4120a350f01363d16837yangguo@chromium.org ret.assign(kUIScalesFor1366, 1924cd70b470729dd5850dd4120a350f01363d16837yangguo@chromium.org kUIScalesFor1366 + arraysize(kUIScalesFor1366)); 1934cd70b470729dd5850dd4120a350f01363d16837yangguo@chromium.org break; 1944cd70b470729dd5850dd4120a350f01363d16837yangguo@chromium.org default: 1954cd70b470729dd5850dd4120a350f01363d16837yangguo@chromium.org ret.assign(kUIScalesFor1280, 1964cd70b470729dd5850dd4120a350f01363d16837yangguo@chromium.org kUIScalesFor1280 + arraysize(kUIScalesFor1280)); 1974cd70b470729dd5850dd4120a350f01363d16837yangguo@chromium.org#if defined(OS_CHROMEOS) 1984cd70b470729dd5850dd4120a350f01363d16837yangguo@chromium.org if (base::SysInfo::IsRunningOnChromeOS()) 1994cd70b470729dd5850dd4120a350f01363d16837yangguo@chromium.org NOTREACHED() << "Unknown resolution:" << info.ToString(); 2004cd70b470729dd5850dd4120a350f01363d16837yangguo@chromium.org#endif 2014cd70b470729dd5850dd4120a350f01363d16837yangguo@chromium.org } 2024cd70b470729dd5850dd4120a350f01363d16837yangguo@chromium.org return ret; 2034cd70b470729dd5850dd4120a350f01363d16837yangguo@chromium.org} 2044cd70b470729dd5850dd4120a350f01363d16837yangguo@chromium.org 2054cd70b470729dd5850dd4120a350f01363d16837yangguo@chromium.org// static 2064cd70b470729dd5850dd4120a350f01363d16837yangguo@chromium.orgfloat DisplayManager::GetNextUIScale(const DisplayInfo& info, bool up) { 2074cd70b470729dd5850dd4120a350f01363d16837yangguo@chromium.org float scale = info.configured_ui_scale(); 2084cd70b470729dd5850dd4120a350f01363d16837yangguo@chromium.org std::vector<float> scales = GetScalesForDisplay(info); 209a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org for (size_t i = 0; i < scales.size(); ++i) { 210a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org if (ScaleComparator(scales[i])(scale)) { 211a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org if (up && i != scales.size() - 1) 212a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org return scales[i + 1]; 2134cd70b470729dd5850dd4120a350f01363d16837yangguo@chromium.org if (!up && i != 0) 2144cd70b470729dd5850dd4120a350f01363d16837yangguo@chromium.org return scales[i - 1]; 2154cd70b470729dd5850dd4120a350f01363d16837yangguo@chromium.org return scales[i]; 2164cd70b470729dd5850dd4120a350f01363d16837yangguo@chromium.org } 2174cd70b470729dd5850dd4120a350f01363d16837yangguo@chromium.org } 2184cd70b470729dd5850dd4120a350f01363d16837yangguo@chromium.org // Fallback to 1.0f if the |scale| wasn't in the list. 219a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org return 1.0f; 220a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org} 221a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org 222a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.orgbool DisplayManager::InitFromCommandLine() { 223a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org DisplayInfoList info_list; 224a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org CommandLine* command_line = CommandLine::ForCurrentProcess(); 225a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org if (!command_line->HasSwitch(switches::kAshHostWindowBounds)) 226a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org return false; 227a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org const string size_str = 228a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org command_line->GetSwitchValueASCII(switches::kAshHostWindowBounds); 229a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org vector<string> parts; 230a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org base::SplitString(size_str, ',', &parts); 231a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org for (vector<string>::const_iterator iter = parts.begin(); 232a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org iter != parts.end(); ++iter) { 233a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org info_list.push_back(DisplayInfo::CreateFromSpec(*iter)); 234a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org } 235a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org MaybeInitInternalDisplay(info_list[0].id()); 236a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org if (info_list.size() > 1 && 237a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org command_line->HasSwitch(switches::kAshEnableSoftwareMirroring)) { 238a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org SetSecondDisplayMode(MIRRORING); 239a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org } 240a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org OnNativeDisplaysChanged(info_list); 241a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org return true; 242a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org} 243a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org 244a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.orgvoid DisplayManager::InitDefaultDisplay() { 245a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org DisplayInfoList info_list; 246a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org info_list.push_back(DisplayInfo::CreateFromSpec(std::string())); 247a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org MaybeInitInternalDisplay(info_list[0].id()); 248a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org OnNativeDisplaysChanged(info_list); 249a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org} 250a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org 251a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org// static 252a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.orgvoid DisplayManager::UpdateDisplayBoundsForLayoutById( 253a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org const DisplayLayout& layout, 254a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org const gfx::Display& primary_display, 255a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org int64 secondary_display_id) { 2564cd70b470729dd5850dd4120a350f01363d16837yangguo@chromium.org DCHECK_NE(gfx::Display::kInvalidDisplayID, secondary_display_id); 2574cd70b470729dd5850dd4120a350f01363d16837yangguo@chromium.org UpdateDisplayBoundsForLayout( 2584cd70b470729dd5850dd4120a350f01363d16837yangguo@chromium.org layout, primary_display, 2594cd70b470729dd5850dd4120a350f01363d16837yangguo@chromium.org Shell::GetInstance()->display_manager()-> 2604cd70b470729dd5850dd4120a350f01363d16837yangguo@chromium.org FindDisplayForId(secondary_display_id)); 2614cd70b470729dd5850dd4120a350f01363d16837yangguo@chromium.org} 2624cd70b470729dd5850dd4120a350f01363d16837yangguo@chromium.org 2634cd70b470729dd5850dd4120a350f01363d16837yangguo@chromium.orgbool DisplayManager::IsActiveDisplay(const gfx::Display& display) const { 2644cd70b470729dd5850dd4120a350f01363d16837yangguo@chromium.org for (DisplayList::const_iterator iter = displays_.begin(); 2654cd70b470729dd5850dd4120a350f01363d16837yangguo@chromium.org iter != displays_.end(); ++iter) { 2664cd70b470729dd5850dd4120a350f01363d16837yangguo@chromium.org if ((*iter).id() == display.id()) 2674cd70b470729dd5850dd4120a350f01363d16837yangguo@chromium.org return true; 2684cd70b470729dd5850dd4120a350f01363d16837yangguo@chromium.org } 2694cd70b470729dd5850dd4120a350f01363d16837yangguo@chromium.org return false; 2704cd70b470729dd5850dd4120a350f01363d16837yangguo@chromium.org} 2714cd70b470729dd5850dd4120a350f01363d16837yangguo@chromium.org 2724cd70b470729dd5850dd4120a350f01363d16837yangguo@chromium.orgbool DisplayManager::HasInternalDisplay() const { 2734cd70b470729dd5850dd4120a350f01363d16837yangguo@chromium.org return gfx::Display::InternalDisplayId() != gfx::Display::kInvalidDisplayID; 2744cd70b470729dd5850dd4120a350f01363d16837yangguo@chromium.org} 2754cd70b470729dd5850dd4120a350f01363d16837yangguo@chromium.org 2764cd70b470729dd5850dd4120a350f01363d16837yangguo@chromium.orgbool DisplayManager::IsInternalDisplayId(int64 id) const { 2774cd70b470729dd5850dd4120a350f01363d16837yangguo@chromium.org return gfx::Display::InternalDisplayId() == id; 2784cd70b470729dd5850dd4120a350f01363d16837yangguo@chromium.org} 2794cd70b470729dd5850dd4120a350f01363d16837yangguo@chromium.org 2804cd70b470729dd5850dd4120a350f01363d16837yangguo@chromium.orgDisplayLayout DisplayManager::GetCurrentDisplayLayout() { 2814cd70b470729dd5850dd4120a350f01363d16837yangguo@chromium.org DCHECK_EQ(2U, num_connected_displays()); 2824cd70b470729dd5850dd4120a350f01363d16837yangguo@chromium.org // Invert if the primary was swapped. 2834cd70b470729dd5850dd4120a350f01363d16837yangguo@chromium.org if (num_connected_displays() > 1) { 2844cd70b470729dd5850dd4120a350f01363d16837yangguo@chromium.org DisplayIdPair pair = GetCurrentDisplayIdPair(); 2854cd70b470729dd5850dd4120a350f01363d16837yangguo@chromium.org return layout_store_->ComputeDisplayLayoutForDisplayIdPair(pair); 2864cd70b470729dd5850dd4120a350f01363d16837yangguo@chromium.org } 2874cd70b470729dd5850dd4120a350f01363d16837yangguo@chromium.org NOTREACHED() << "DisplayLayout is requested for single display"; 2884cd70b470729dd5850dd4120a350f01363d16837yangguo@chromium.org // On release build, just fallback to default instead of blowing up. 289 DisplayLayout layout = 290 layout_store_->default_display_layout(); 291 layout.primary_id = displays_[0].id(); 292 return layout; 293} 294 295DisplayIdPair DisplayManager::GetCurrentDisplayIdPair() const { 296 if (IsMirrored()) { 297 if (software_mirroring_enabled()) { 298 CHECK_EQ(2u, num_connected_displays()); 299 // This comment is to make it easy to distinguish the crash 300 // between two checks. 301 CHECK_EQ(1u, displays_.size()); 302 } 303 return std::make_pair(displays_[0].id(), mirrored_display_id_); 304 } else { 305 CHECK_GE(2u, displays_.size()); 306 int64 id_at_zero = displays_[0].id(); 307 if (id_at_zero == gfx::Display::InternalDisplayId() || 308 id_at_zero == first_display_id()) { 309 return std::make_pair(id_at_zero, displays_[1].id()); 310 } else { 311 return std::make_pair(displays_[1].id(), id_at_zero); 312 } 313 } 314} 315 316void DisplayManager::SetLayoutForCurrentDisplays( 317 const DisplayLayout& layout_relative_to_primary) { 318 DCHECK_EQ(2U, GetNumDisplays()); 319 if (GetNumDisplays() < 2) 320 return; 321 const gfx::Display& primary = screen_->GetPrimaryDisplay(); 322 const DisplayIdPair pair = GetCurrentDisplayIdPair(); 323 // Invert if the primary was swapped. 324 DisplayLayout to_set = pair.first == primary.id() ? 325 layout_relative_to_primary : layout_relative_to_primary.Invert(); 326 327 DisplayLayout current_layout = 328 layout_store_->GetRegisteredDisplayLayout(pair); 329 if (to_set.position != current_layout.position || 330 to_set.offset != current_layout.offset) { 331 to_set.primary_id = primary.id(); 332 layout_store_->RegisterLayoutForDisplayIdPair( 333 pair.first, pair.second, to_set); 334 if (delegate_) 335 delegate_->PreDisplayConfigurationChange(false); 336 // PreDisplayConfigurationChange(false); 337 // TODO(oshima): Call UpdateDisplays instead. 338 const DisplayLayout layout = GetCurrentDisplayLayout(); 339 UpdateDisplayBoundsForLayoutById( 340 layout, primary, 341 ScreenUtil::GetSecondaryDisplay().id()); 342 343 // Primary's bounds stay the same. Just notify bounds change 344 // on the secondary. 345 screen_ash_->NotifyBoundsChanged( 346 ScreenUtil::GetSecondaryDisplay()); 347 if (delegate_) 348 delegate_->PostDisplayConfigurationChange(); 349 } 350} 351 352const gfx::Display& DisplayManager::GetDisplayForId(int64 id) const { 353 gfx::Display* display = 354 const_cast<DisplayManager*>(this)->FindDisplayForId(id); 355 return display ? *display : GetInvalidDisplay(); 356} 357 358const gfx::Display& DisplayManager::FindDisplayContainingPoint( 359 const gfx::Point& point_in_screen) const { 360 for (DisplayList::const_iterator iter = displays_.begin(); 361 iter != displays_.end(); ++iter) { 362 const gfx::Display& display = *iter; 363 if (display.bounds().Contains(point_in_screen)) 364 return display; 365 } 366 return GetInvalidDisplay(); 367} 368 369bool DisplayManager::UpdateWorkAreaOfDisplay(int64 display_id, 370 const gfx::Insets& insets) { 371 gfx::Display* display = FindDisplayForId(display_id); 372 DCHECK(display); 373 gfx::Rect old_work_area = display->work_area(); 374 display->UpdateWorkAreaFromInsets(insets); 375 return old_work_area != display->work_area(); 376} 377 378void DisplayManager::SetOverscanInsets(int64 display_id, 379 const gfx::Insets& insets_in_dip) { 380 display_info_[display_id].SetOverscanInsets(insets_in_dip); 381 DisplayInfoList display_info_list; 382 for (DisplayList::const_iterator iter = displays_.begin(); 383 iter != displays_.end(); ++iter) { 384 display_info_list.push_back(GetDisplayInfo(iter->id())); 385 } 386 AddMirrorDisplayInfoIfAny(&display_info_list); 387 UpdateDisplays(display_info_list); 388} 389 390void DisplayManager::SetDisplayRotation(int64 display_id, 391 gfx::Display::Rotation rotation) { 392 DisplayInfoList display_info_list; 393 for (DisplayList::const_iterator iter = displays_.begin(); 394 iter != displays_.end(); ++iter) { 395 DisplayInfo info = GetDisplayInfo(iter->id()); 396 if (info.id() == display_id) { 397 if (info.rotation() == rotation) 398 return; 399 info.set_rotation(rotation); 400 } 401 display_info_list.push_back(info); 402 } 403 AddMirrorDisplayInfoIfAny(&display_info_list); 404 if (virtual_keyboard_root_window_enabled() && 405 display_id == non_desktop_display_.id()) { 406 DisplayInfo info = GetDisplayInfo(display_id); 407 info.set_rotation(rotation); 408 display_info_list.push_back(info); 409 } 410 UpdateDisplays(display_info_list); 411} 412 413void DisplayManager::SetDisplayUIScale(int64 display_id, 414 float ui_scale) { 415 if (!IsDisplayUIScalingEnabled() || 416 gfx::Display::InternalDisplayId() != display_id) { 417 return; 418 } 419 420 DisplayInfoList display_info_list; 421 for (DisplayList::const_iterator iter = displays_.begin(); 422 iter != displays_.end(); ++iter) { 423 DisplayInfo info = GetDisplayInfo(iter->id()); 424 if (info.id() == display_id) { 425 if (info.configured_ui_scale() == ui_scale) 426 return; 427 std::vector<float> scales = GetScalesForDisplay(info); 428 ScaleComparator comparator(ui_scale); 429 if (std::find_if(scales.begin(), scales.end(), comparator) == 430 scales.end()) { 431 return; 432 } 433 info.set_configured_ui_scale(ui_scale); 434 } 435 display_info_list.push_back(info); 436 } 437 AddMirrorDisplayInfoIfAny(&display_info_list); 438 UpdateDisplays(display_info_list); 439} 440 441void DisplayManager::SetDisplayResolution(int64 display_id, 442 const gfx::Size& resolution) { 443 DCHECK_NE(gfx::Display::InternalDisplayId(), display_id); 444 if (gfx::Display::InternalDisplayId() == display_id) 445 return; 446 const DisplayInfo& display_info = GetDisplayInfo(display_id); 447 const std::vector<DisplayMode>& modes = display_info.display_modes(); 448 DCHECK_NE(0u, modes.size()); 449 std::vector<DisplayMode>::const_iterator iter = 450 std::find_if(modes.begin(), modes.end(), DisplayModeMatcher(resolution)); 451 if (iter == modes.end()) { 452 LOG(WARNING) << "Unsupported resolution was requested:" 453 << resolution.ToString(); 454 return; 455 } 456 display_modes_[display_id] = *iter; 457#if defined(OS_CHROMEOS) && defined(USE_X11) 458 if (base::SysInfo::IsRunningOnChromeOS()) 459 Shell::GetInstance()->output_configurator()->ScheduleConfigureOutputs(); 460#endif 461} 462 463void DisplayManager::RegisterDisplayProperty( 464 int64 display_id, 465 gfx::Display::Rotation rotation, 466 float ui_scale, 467 const gfx::Insets* overscan_insets, 468 const gfx::Size& resolution_in_pixels) { 469 if (display_info_.find(display_id) == display_info_.end()) 470 display_info_[display_id] = DisplayInfo(display_id, std::string(), false); 471 472 display_info_[display_id].set_rotation(rotation); 473 // Just in case the preference file was corrupted. 474 if (0.5f <= ui_scale && ui_scale <= 2.0f) 475 display_info_[display_id].set_configured_ui_scale(ui_scale); 476 if (overscan_insets) 477 display_info_[display_id].SetOverscanInsets(*overscan_insets); 478 if (!resolution_in_pixels.IsEmpty()) { 479 // Default refresh rate, until OnNativeDisplaysChanged() updates us with the 480 // actual display info, is 60 Hz. 481 display_modes_[display_id] = 482 DisplayMode(resolution_in_pixels, 60.0f, false, false); 483 } 484} 485 486bool DisplayManager::GetSelectedModeForDisplayId(int64 id, 487 DisplayMode* mode_out) const { 488 std::map<int64, DisplayMode>::const_iterator iter = display_modes_.find(id); 489 if (iter == display_modes_.end()) 490 return false; 491 *mode_out = iter->second; 492 return true; 493} 494 495bool DisplayManager::IsDisplayUIScalingEnabled() const { 496 return GetDisplayIdForUIScaling() != gfx::Display::kInvalidDisplayID; 497} 498 499gfx::Insets DisplayManager::GetOverscanInsets(int64 display_id) const { 500 std::map<int64, DisplayInfo>::const_iterator it = 501 display_info_.find(display_id); 502 return (it != display_info_.end()) ? 503 it->second.overscan_insets_in_dip() : gfx::Insets(); 504} 505 506void DisplayManager::OnNativeDisplaysChanged( 507 const std::vector<DisplayInfo>& updated_displays) { 508 if (updated_displays.empty()) { 509 VLOG(1) << "OnNativeDisplayChanged(0): # of current displays=" 510 << displays_.size(); 511 // If the device is booted without display, or chrome is started 512 // without --ash-host-window-bounds on linux desktop, use the 513 // default display. 514 if (displays_.empty()) { 515 std::vector<DisplayInfo> init_displays; 516 init_displays.push_back(DisplayInfo::CreateFromSpec(std::string())); 517 MaybeInitInternalDisplay(init_displays[0].id()); 518 OnNativeDisplaysChanged(init_displays); 519 } else { 520 // Otherwise don't update the displays when all displays are disconnected. 521 // This happens when: 522 // - the device is idle and powerd requested to turn off all displays. 523 // - the device is suspended. (kernel turns off all displays) 524 // - the internal display's brightness is set to 0 and no external 525 // display is connected. 526 // - the internal display's brightness is 0 and external display is 527 // disconnected. 528 // The display will be updated when one of displays is turned on, and the 529 // display list will be updated correctly. 530 } 531 return; 532 } 533 first_display_id_ = updated_displays[0].id(); 534 std::set<gfx::Point> origins; 535 536 if (updated_displays.size() == 1) { 537 VLOG(1) << "OnNativeDisplaysChanged(1):" << updated_displays[0].ToString(); 538 } else { 539 VLOG(1) << "OnNativeDisplaysChanged(" << updated_displays.size() 540 << ") [0]=" << updated_displays[0].ToString() 541 << ", [1]=" << updated_displays[1].ToString(); 542 } 543 544 bool internal_display_connected = false; 545 num_connected_displays_ = updated_displays.size(); 546 mirrored_display_id_ = gfx::Display::kInvalidDisplayID; 547 non_desktop_display_ = gfx::Display(); 548 DisplayInfoList new_display_info_list; 549 for (DisplayInfoList::const_iterator iter = updated_displays.begin(); 550 iter != updated_displays.end(); 551 ++iter) { 552 if (!internal_display_connected) 553 internal_display_connected = IsInternalDisplayId(iter->id()); 554 // Mirrored monitors have the same origins. 555 gfx::Point origin = iter->bounds_in_native().origin(); 556 if (origins.find(origin) != origins.end()) { 557 InsertAndUpdateDisplayInfo(*iter); 558 mirrored_display_id_ = iter->id(); 559 } else { 560 origins.insert(origin); 561 new_display_info_list.push_back(*iter); 562 } 563 564 const gfx::Size& resolution = iter->bounds_in_native().size(); 565 const std::vector<DisplayMode>& display_modes = iter->display_modes(); 566 // This is empty the displays are initialized from InitFromCommandLine. 567 if (!display_modes.size()) 568 continue; 569 std::vector<DisplayMode>::const_iterator display_modes_iter = 570 std::find_if(display_modes.begin(), 571 display_modes.end(), 572 DisplayModeMatcher(resolution)); 573 // Update the actual resolution selected as the resolution request may fail. 574 if (display_modes_iter == display_modes.end()) 575 display_modes_.erase(iter->id()); 576 else if (display_modes_.find(iter->id()) != display_modes_.end()) 577 display_modes_[iter->id()] = *display_modes_iter; 578 } 579 if (HasInternalDisplay() && 580 !internal_display_connected && 581 display_info_.find(gfx::Display::InternalDisplayId()) == 582 display_info_.end()) { 583 DisplayInfo internal_display_info( 584 gfx::Display::InternalDisplayId(), 585 l10n_util::GetStringUTF8(IDS_ASH_INTERNAL_DISPLAY_NAME), 586 false /*Internal display must not have overscan */); 587 internal_display_info.SetBounds(gfx::Rect(0, 0, 800, 600)); 588 display_info_[gfx::Display::InternalDisplayId()] = internal_display_info; 589 } 590 UpdateDisplays(new_display_info_list); 591} 592 593void DisplayManager::UpdateDisplays() { 594 DisplayInfoList display_info_list; 595 for (DisplayList::const_iterator iter = displays_.begin(); 596 iter != displays_.end(); ++iter) { 597 display_info_list.push_back(GetDisplayInfo(iter->id())); 598 } 599 AddMirrorDisplayInfoIfAny(&display_info_list); 600 UpdateDisplays(display_info_list); 601} 602 603void DisplayManager::UpdateDisplays( 604 const std::vector<DisplayInfo>& updated_display_info_list) { 605#if defined(OS_WIN) 606 if (base::win::GetVersion() >= base::win::VERSION_WIN8) { 607 DCHECK_EQ(1u, updated_display_info_list.size()) << 608 "Multiple display test does not work on Win8 bots. Please " 609 "skip (don't disable) the test using SupportsMultipleDisplays()"; 610 } 611#endif 612 613 DisplayInfoList new_display_info_list = updated_display_info_list; 614 std::sort(displays_.begin(), displays_.end(), DisplaySortFunctor()); 615 std::sort(new_display_info_list.begin(), 616 new_display_info_list.end(), 617 DisplayInfoSortFunctor()); 618 DisplayList removed_displays; 619 std::vector<size_t> changed_display_indices; 620 std::vector<size_t> added_display_indices; 621 622 DisplayList::iterator curr_iter = displays_.begin(); 623 DisplayInfoList::const_iterator new_info_iter = new_display_info_list.begin(); 624 625 DisplayList new_displays; 626 627 // Use the internal display or 1st as the mirror source, then scale 628 // the root window so that it matches the external display's 629 // resolution. This is necessary in order for scaling to work while 630 // mirrored. 631 int64 non_desktop_display_id = gfx::Display::kInvalidDisplayID; 632 633 if (second_display_mode_ != EXTENDED && new_display_info_list.size() == 2) { 634 bool zero_is_source = 635 first_display_id_ == new_display_info_list[0].id() || 636 gfx::Display::InternalDisplayId() == new_display_info_list[0].id(); 637 if (second_display_mode_ == MIRRORING) { 638 mirrored_display_id_ = new_display_info_list[zero_is_source ? 1 : 0].id(); 639 non_desktop_display_id = mirrored_display_id_; 640 } else { 641 // TODO(oshima|bshe): The virtual keyboard is currently assigned to 642 // the 1st display. 643 non_desktop_display_id = 644 new_display_info_list[zero_is_source ? 0 : 1].id(); 645 } 646 } 647 648 while (curr_iter != displays_.end() || 649 new_info_iter != new_display_info_list.end()) { 650 if (new_info_iter != new_display_info_list.end() && 651 non_desktop_display_id == new_info_iter->id()) { 652 DisplayInfo info = *new_info_iter; 653 info.SetOverscanInsets(gfx::Insets()); 654 InsertAndUpdateDisplayInfo(info); 655 non_desktop_display_ = 656 CreateDisplayFromDisplayInfoById(non_desktop_display_id); 657 ++new_info_iter; 658 // Remove existing external display if it is going to be used as 659 // non desktop. 660 if (curr_iter != displays_.end() && 661 curr_iter->id() == non_desktop_display_id) { 662 removed_displays.push_back(*curr_iter); 663 ++curr_iter; 664 } 665 continue; 666 } 667 668 if (curr_iter == displays_.end()) { 669 // more displays in new list. 670 added_display_indices.push_back(new_displays.size()); 671 InsertAndUpdateDisplayInfo(*new_info_iter); 672 new_displays.push_back( 673 CreateDisplayFromDisplayInfoById(new_info_iter->id())); 674 ++new_info_iter; 675 } else if (new_info_iter == new_display_info_list.end()) { 676 // more displays in current list. 677 removed_displays.push_back(*curr_iter); 678 ++curr_iter; 679 } else if (curr_iter->id() == new_info_iter->id()) { 680 const gfx::Display& current_display = *curr_iter; 681 // Copy the info because |CreateDisplayFromInfo| updates the instance. 682 const DisplayInfo current_display_info = 683 GetDisplayInfo(current_display.id()); 684 InsertAndUpdateDisplayInfo(*new_info_iter); 685 gfx::Display new_display = 686 CreateDisplayFromDisplayInfoById(new_info_iter->id()); 687 const DisplayInfo& new_display_info = GetDisplayInfo(new_display.id()); 688 689 bool host_window_bounds_changed = 690 current_display_info.bounds_in_native() != 691 new_display_info.bounds_in_native(); 692 693 if (force_bounds_changed_ || 694 host_window_bounds_changed || 695 (current_display.device_scale_factor() != 696 new_display.device_scale_factor()) || 697 (current_display_info.size_in_pixel() != 698 new_display.GetSizeInPixel()) || 699 (current_display.rotation() != new_display.rotation())) { 700 changed_display_indices.push_back(new_displays.size()); 701 } 702 703 new_display.UpdateWorkAreaFromInsets(current_display.GetWorkAreaInsets()); 704 new_displays.push_back(new_display); 705 ++curr_iter; 706 ++new_info_iter; 707 } else if (curr_iter->id() < new_info_iter->id()) { 708 // more displays in current list between ids, which means it is deleted. 709 removed_displays.push_back(*curr_iter); 710 ++curr_iter; 711 } else { 712 // more displays in new list between ids, which means it is added. 713 added_display_indices.push_back(new_displays.size()); 714 InsertAndUpdateDisplayInfo(*new_info_iter); 715 new_displays.push_back( 716 CreateDisplayFromDisplayInfoById(new_info_iter->id())); 717 ++new_info_iter; 718 } 719 } 720 721 scoped_ptr<NonDesktopDisplayUpdater> non_desktop_display_updater( 722 new NonDesktopDisplayUpdater(this, delegate_)); 723 724 // Do not update |displays_| if there's nothing to be updated. Without this, 725 // it will not update the display layout, which causes the bug 726 // http://crbug.com/155948. 727 if (changed_display_indices.empty() && added_display_indices.empty() && 728 removed_displays.empty()) { 729 return; 730 } 731 // Clear focus if the display has been removed, but don't clear focus if 732 // the destkop has been moved from one display to another 733 // (mirror -> docked, docked -> single internal). 734 bool clear_focus = 735 !removed_displays.empty() && 736 !(removed_displays.size() == 1 && added_display_indices.size() == 1); 737 if (delegate_) 738 delegate_->PreDisplayConfigurationChange(clear_focus); 739 740 size_t updated_index; 741 if (UpdateSecondaryDisplayBoundsForLayout(&new_displays, &updated_index) && 742 std::find(added_display_indices.begin(), 743 added_display_indices.end(), 744 updated_index) == added_display_indices.end() && 745 std::find(changed_display_indices.begin(), 746 changed_display_indices.end(), 747 updated_index) == changed_display_indices.end()) { 748 changed_display_indices.push_back(updated_index); 749 } 750 751 displays_ = new_displays; 752 753 base::AutoReset<bool> resetter(&change_display_upon_host_resize_, false); 754 755 // Temporarily add displays to be removed because display object 756 // being removed are accessed during shutting down the root. 757 displays_.insert(displays_.end(), removed_displays.begin(), 758 removed_displays.end()); 759 760 for (DisplayList::const_reverse_iterator iter = removed_displays.rbegin(); 761 iter != removed_displays.rend(); ++iter) { 762 screen_ash_->NotifyDisplayRemoved(displays_.back()); 763 displays_.pop_back(); 764 } 765 // Close the non desktop window here to avoid creating two compositor on 766 // one display. 767 if (!non_desktop_display_updater->enabled()) 768 non_desktop_display_updater.reset(); 769 for (std::vector<size_t>::iterator iter = added_display_indices.begin(); 770 iter != added_display_indices.end(); ++iter) { 771 screen_ash_->NotifyDisplayAdded(displays_[*iter]); 772 } 773 // Create the non destkop window after all displays are added so that 774 // it can mirror the display newly added. This can happen when switching 775 // from dock mode to software mirror mode. 776 non_desktop_display_updater.reset(); 777 for (std::vector<size_t>::iterator iter = changed_display_indices.begin(); 778 iter != changed_display_indices.end(); ++iter) { 779 screen_ash_->NotifyBoundsChanged(displays_[*iter]); 780 } 781 if (delegate_) 782 delegate_->PostDisplayConfigurationChange(); 783 784#if defined(USE_X11) && defined(OS_CHROMEOS) 785 if (!changed_display_indices.empty() && base::SysInfo::IsRunningOnChromeOS()) 786 ui::ClearX11DefaultRootWindow(); 787#endif 788} 789 790const gfx::Display& DisplayManager::GetDisplayAt(size_t index) const { 791 DCHECK_LT(index, displays_.size()); 792 return displays_[index]; 793} 794 795const gfx::Display& DisplayManager::GetPrimaryDisplayCandidate() const { 796 if (GetNumDisplays() == 1) 797 return displays_[0]; 798 DisplayLayout layout = layout_store_->GetRegisteredDisplayLayout( 799 GetCurrentDisplayIdPair()); 800 return GetDisplayForId(layout.primary_id); 801} 802 803size_t DisplayManager::GetNumDisplays() const { 804 return displays_.size(); 805} 806 807bool DisplayManager::IsMirrored() const { 808 return mirrored_display_id_ != gfx::Display::kInvalidDisplayID; 809} 810 811const DisplayInfo& DisplayManager::GetDisplayInfo(int64 display_id) const { 812 std::map<int64, DisplayInfo>::const_iterator iter = 813 display_info_.find(display_id); 814 CHECK(iter != display_info_.end()) << display_id; 815 return iter->second; 816} 817 818std::string DisplayManager::GetDisplayNameForId(int64 id) { 819 if (id == gfx::Display::kInvalidDisplayID) 820 return l10n_util::GetStringUTF8(IDS_ASH_STATUS_TRAY_UNKNOWN_DISPLAY_NAME); 821 822 std::map<int64, DisplayInfo>::const_iterator iter = display_info_.find(id); 823 if (iter != display_info_.end() && !iter->second.name().empty()) 824 return iter->second.name(); 825 826 return base::StringPrintf("Display %d", static_cast<int>(id)); 827} 828 829int64 DisplayManager::GetDisplayIdForUIScaling() const { 830 // UI Scaling is effective only on internal display. 831 int64 display_id = gfx::Display::InternalDisplayId(); 832#if defined(OS_WIN) 833 display_id = first_display_id(); 834#endif 835 return display_id; 836} 837 838void DisplayManager::SetMirrorMode(bool mirrored) { 839 if (num_connected_displays() <= 1) 840 return; 841 842#if defined(OS_CHROMEOS) 843 if (base::SysInfo::IsRunningOnChromeOS()) { 844 ui::OutputState new_state = mirrored ? ui::OUTPUT_STATE_DUAL_MIRROR : 845 ui::OUTPUT_STATE_DUAL_EXTENDED; 846 Shell::GetInstance()->output_configurator()->SetDisplayMode(new_state); 847 return; 848 } 849#endif 850 // This is fallback path to emulate mirroroing on desktop. 851 SetSecondDisplayMode(mirrored ? MIRRORING : EXTENDED); 852 DisplayInfoList display_info_list; 853 int count = 0; 854 for (std::map<int64, DisplayInfo>::const_iterator iter = 855 display_info_.begin(); 856 count < 2; ++iter, ++count) { 857 display_info_list.push_back(GetDisplayInfo(iter->second.id())); 858 } 859 UpdateDisplays(display_info_list); 860#if defined(OS_CHROMEOS) 861 if (Shell::GetInstance()->output_configurator_animation()) { 862 Shell::GetInstance()->output_configurator_animation()-> 863 StartFadeInAnimation(); 864 } 865#endif 866} 867 868void DisplayManager::AddRemoveDisplay() { 869 DCHECK(!displays_.empty()); 870 std::vector<DisplayInfo> new_display_info_list; 871 const DisplayInfo& first_display = GetDisplayInfo(displays_[0].id()); 872 new_display_info_list.push_back(first_display); 873 // Add if there is only one display connected. 874 if (num_connected_displays() == 1) { 875 // Layout the 2nd display below the primary as with the real device. 876 gfx::Rect host_bounds = first_display.bounds_in_native(); 877 new_display_info_list.push_back(DisplayInfo::CreateFromSpec( 878 base::StringPrintf( 879 "%d+%d-500x400", host_bounds.x(), host_bounds.bottom()))); 880 } 881 num_connected_displays_ = new_display_info_list.size(); 882 mirrored_display_id_ = gfx::Display::kInvalidDisplayID; 883 non_desktop_display_ = gfx::Display(); 884 UpdateDisplays(new_display_info_list); 885} 886 887void DisplayManager::ToggleDisplayScaleFactor() { 888 DCHECK(!displays_.empty()); 889 std::vector<DisplayInfo> new_display_info_list; 890 for (DisplayList::const_iterator iter = displays_.begin(); 891 iter != displays_.end(); ++iter) { 892 DisplayInfo display_info = GetDisplayInfo(iter->id()); 893 display_info.set_device_scale_factor( 894 display_info.device_scale_factor() == 1.0f ? 2.0f : 1.0f); 895 new_display_info_list.push_back(display_info); 896 } 897 AddMirrorDisplayInfoIfAny(&new_display_info_list); 898 UpdateDisplays(new_display_info_list); 899} 900 901#if defined(OS_CHROMEOS) 902void DisplayManager::SetSoftwareMirroring(bool enabled) { 903 // TODO(oshima|bshe): Support external display on the system 904 // that has virtual keyboard display. 905 if (second_display_mode_ == VIRTUAL_KEYBOARD) 906 return; 907 SetSecondDisplayMode(enabled ? MIRRORING : EXTENDED); 908} 909#endif 910 911void DisplayManager::SetSecondDisplayMode(SecondDisplayMode mode) { 912 second_display_mode_ = mode; 913 mirrored_display_id_ = gfx::Display::kInvalidDisplayID; 914 non_desktop_display_ = gfx::Display(); 915} 916 917bool DisplayManager::UpdateDisplayBounds(int64 display_id, 918 const gfx::Rect& new_bounds) { 919 if (change_display_upon_host_resize_) { 920 display_info_[display_id].SetBounds(new_bounds); 921 // Don't notify observers if the mirrored window has changed. 922 if (software_mirroring_enabled() && mirrored_display_id_ == display_id) 923 return false; 924 gfx::Display* display = FindDisplayForId(display_id); 925 display->SetSize(display_info_[display_id].size_in_pixel()); 926 screen_ash_->NotifyBoundsChanged(*display); 927 return true; 928 } 929 return false; 930} 931 932void DisplayManager::CreateMirrorWindowIfAny() { 933 NonDesktopDisplayUpdater updater(this, delegate_); 934} 935 936void DisplayManager::CreateScreenForShutdown() const { 937 bool native_is_ash = 938 gfx::Screen::GetScreenByType(gfx::SCREEN_TYPE_NATIVE) == 939 screen_ash_.get(); 940 delete screen_for_shutdown; 941 screen_for_shutdown = screen_ash_->CloneForShutdown(); 942 gfx::Screen::SetScreenInstance(gfx::SCREEN_TYPE_ALTERNATE, 943 screen_for_shutdown); 944 if (native_is_ash) { 945 gfx::Screen::SetScreenInstance(gfx::SCREEN_TYPE_NATIVE, 946 screen_for_shutdown); 947 } 948} 949 950gfx::Display* DisplayManager::FindDisplayForId(int64 id) { 951 for (DisplayList::iterator iter = displays_.begin(); 952 iter != displays_.end(); ++iter) { 953 if ((*iter).id() == id) 954 return &(*iter); 955 } 956 DLOG(WARNING) << "Could not find display:" << id; 957 return NULL; 958} 959 960void DisplayManager::AddMirrorDisplayInfoIfAny( 961 std::vector<DisplayInfo>* display_info_list) { 962 if (software_mirroring_enabled() && IsMirrored()) 963 display_info_list->push_back(GetDisplayInfo(mirrored_display_id_)); 964} 965 966void DisplayManager::InsertAndUpdateDisplayInfo(const DisplayInfo& new_info) { 967 std::map<int64, DisplayInfo>::iterator info = 968 display_info_.find(new_info.id()); 969 if (info != display_info_.end()) { 970 info->second.Copy(new_info); 971 } else { 972 display_info_[new_info.id()] = new_info; 973 display_info_[new_info.id()].set_native(false); 974 } 975 display_info_[new_info.id()].UpdateDisplaySize(); 976} 977 978gfx::Display DisplayManager::CreateDisplayFromDisplayInfoById(int64 id) { 979 DCHECK(display_info_.find(id) != display_info_.end()); 980 const DisplayInfo& display_info = display_info_[id]; 981 982 gfx::Display new_display(display_info.id()); 983 gfx::Rect bounds_in_native(display_info.size_in_pixel()); 984 float device_scale_factor = display_info.device_scale_factor(); 985 if (device_scale_factor == 2.0f && display_info.configured_ui_scale() == 2.0f) 986 device_scale_factor = 1.0f; 987 988 // Simply set the origin to (0,0). The primary display's origin is 989 // always (0,0) and the secondary display's bounds will be updated 990 // in |UpdateSecondaryDisplayBoundsForLayout| called in |UpdateDisplay|. 991 new_display.SetScaleAndBounds( 992 device_scale_factor, gfx::Rect(bounds_in_native.size())); 993 new_display.set_rotation(display_info.rotation()); 994 new_display.set_touch_support(display_info.touch_support()); 995 return new_display; 996} 997 998bool DisplayManager::UpdateSecondaryDisplayBoundsForLayout( 999 DisplayList* displays, 1000 size_t* updated_index) const { 1001 if (displays->size() != 2U) 1002 return false; 1003 1004 int64 id_at_zero = displays->at(0).id(); 1005 DisplayIdPair pair = 1006 (id_at_zero == first_display_id_ || 1007 id_at_zero == gfx::Display::InternalDisplayId()) ? 1008 std::make_pair(id_at_zero, displays->at(1).id()) : 1009 std::make_pair(displays->at(1).id(), id_at_zero); 1010 DisplayLayout layout = 1011 layout_store_->ComputeDisplayLayoutForDisplayIdPair(pair); 1012 1013 // Ignore if a user has a old format (should be extremely rare) 1014 // and this will be replaced with DCHECK. 1015 if (layout.primary_id != gfx::Display::kInvalidDisplayID) { 1016 size_t primary_index, secondary_index; 1017 if (displays->at(0).id() == layout.primary_id) { 1018 primary_index = 0; 1019 secondary_index = 1; 1020 } else { 1021 primary_index = 1; 1022 secondary_index = 0; 1023 } 1024 // This function may be called before the secondary display is 1025 // registered. The bounds is empty in that case and will 1026 // return true. 1027 gfx::Rect bounds = 1028 GetDisplayForId(displays->at(secondary_index).id()).bounds(); 1029 UpdateDisplayBoundsForLayout( 1030 layout, displays->at(primary_index), &displays->at(secondary_index)); 1031 *updated_index = secondary_index; 1032 return bounds != displays->at(secondary_index).bounds(); 1033 } 1034 return false; 1035} 1036 1037// static 1038void DisplayManager::UpdateDisplayBoundsForLayout( 1039 const DisplayLayout& layout, 1040 const gfx::Display& primary_display, 1041 gfx::Display* secondary_display) { 1042 DCHECK_EQ("0,0", primary_display.bounds().origin().ToString()); 1043 1044 const gfx::Rect& primary_bounds = primary_display.bounds(); 1045 const gfx::Rect& secondary_bounds = secondary_display->bounds(); 1046 gfx::Point new_secondary_origin = primary_bounds.origin(); 1047 1048 DisplayLayout::Position position = layout.position; 1049 1050 // Ignore the offset in case the secondary display doesn't share edges with 1051 // the primary display. 1052 int offset = layout.offset; 1053 if (position == DisplayLayout::TOP || position == DisplayLayout::BOTTOM) { 1054 offset = std::min( 1055 offset, primary_bounds.width() - kMinimumOverlapForInvalidOffset); 1056 offset = std::max( 1057 offset, -secondary_bounds.width() + kMinimumOverlapForInvalidOffset); 1058 } else { 1059 offset = std::min( 1060 offset, primary_bounds.height() - kMinimumOverlapForInvalidOffset); 1061 offset = std::max( 1062 offset, -secondary_bounds.height() + kMinimumOverlapForInvalidOffset); 1063 } 1064 switch (position) { 1065 case DisplayLayout::TOP: 1066 new_secondary_origin.Offset(offset, -secondary_bounds.height()); 1067 break; 1068 case DisplayLayout::RIGHT: 1069 new_secondary_origin.Offset(primary_bounds.width(), offset); 1070 break; 1071 case DisplayLayout::BOTTOM: 1072 new_secondary_origin.Offset(offset, primary_bounds.height()); 1073 break; 1074 case DisplayLayout::LEFT: 1075 new_secondary_origin.Offset(-secondary_bounds.width(), offset); 1076 break; 1077 } 1078 gfx::Insets insets = secondary_display->GetWorkAreaInsets(); 1079 secondary_display->set_bounds( 1080 gfx::Rect(new_secondary_origin, secondary_bounds.size())); 1081 secondary_display->UpdateWorkAreaFromInsets(insets); 1082} 1083 1084} // namespace internal 1085} // namespace ash 1086