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 <stdio.h>
6
7 #include "ash/ash_switches.h"
8 #include "ash/display/display_layout_store.h"
9 #include "base/command_line.h"
10 #include "base/logging.h"
11 #include "ui/gfx/display.h"
12
13 namespace ash {
14 namespace internal {
15
DisplayLayoutStore()16 DisplayLayoutStore::DisplayLayoutStore() {
17 CommandLine* command_line = CommandLine::ForCurrentProcess();
18 if (command_line->HasSwitch(switches::kAshSecondaryDisplayLayout)) {
19 std::string value = command_line->GetSwitchValueASCII(
20 switches::kAshSecondaryDisplayLayout);
21 char layout;
22 int offset = 0;
23 if (sscanf(value.c_str(), "%c,%d", &layout, &offset) == 2) {
24 if (layout == 't')
25 default_display_layout_.position = DisplayLayout::TOP;
26 else if (layout == 'b')
27 default_display_layout_.position = DisplayLayout::BOTTOM;
28 else if (layout == 'r')
29 default_display_layout_.position = DisplayLayout::RIGHT;
30 else if (layout == 'l')
31 default_display_layout_.position = DisplayLayout::LEFT;
32 default_display_layout_.offset = offset;
33 }
34 }
35 }
36
~DisplayLayoutStore()37 DisplayLayoutStore::~DisplayLayoutStore() {
38 }
39
SetDefaultDisplayLayout(const DisplayLayout & layout)40 void DisplayLayoutStore::SetDefaultDisplayLayout(const DisplayLayout& layout) {
41 CommandLine* command_line = CommandLine::ForCurrentProcess();
42 if (!command_line->HasSwitch(switches::kAshSecondaryDisplayLayout))
43 default_display_layout_ = layout;
44 }
45
RegisterLayoutForDisplayIdPair(int64 id1,int64 id2,const DisplayLayout & layout)46 void DisplayLayoutStore::RegisterLayoutForDisplayIdPair(
47 int64 id1,
48 int64 id2,
49 const DisplayLayout& layout) {
50 paired_layouts_[std::make_pair(id1, id2)] = layout;
51 }
52
GetRegisteredDisplayLayout(const DisplayIdPair & pair)53 DisplayLayout DisplayLayoutStore::GetRegisteredDisplayLayout(
54 const DisplayIdPair& pair) {
55 std::map<DisplayIdPair, DisplayLayout>::const_iterator iter =
56 paired_layouts_.find(pair);
57 return
58 iter != paired_layouts_.end() ? iter->second : CreateDisplayLayout(pair);
59 }
60
ComputeDisplayLayoutForDisplayIdPair(const DisplayIdPair & pair)61 DisplayLayout DisplayLayoutStore::ComputeDisplayLayoutForDisplayIdPair(
62 const DisplayIdPair& pair) {
63 DisplayLayout layout = GetRegisteredDisplayLayout(pair);
64 DCHECK_NE(layout.primary_id, gfx::Display::kInvalidDisplayID);
65 // Invert if the primary was swapped. If mirrored, first is always
66 // primary.
67 return (layout.primary_id == gfx::Display::kInvalidDisplayID ||
68 pair.first == layout.primary_id) ? layout : layout.Invert();
69 }
70
UpdateMirrorStatus(const DisplayIdPair & pair,bool mirrored)71 void DisplayLayoutStore::UpdateMirrorStatus(const DisplayIdPair& pair,
72 bool mirrored) {
73 if (paired_layouts_.find(pair) == paired_layouts_.end())
74 CreateDisplayLayout(pair);
75 paired_layouts_[pair].mirrored = mirrored;
76 }
77
UpdatePrimaryDisplayId(const DisplayIdPair & pair,int64 display_id)78 void DisplayLayoutStore::UpdatePrimaryDisplayId(const DisplayIdPair& pair,
79 int64 display_id) {
80 if (paired_layouts_.find(pair) == paired_layouts_.end())
81 CreateDisplayLayout(pair);
82 paired_layouts_[pair].primary_id = display_id;
83 }
84
CreateDisplayLayout(const DisplayIdPair & pair)85 DisplayLayout DisplayLayoutStore::CreateDisplayLayout(
86 const DisplayIdPair& pair) {
87 DisplayLayout layout = default_display_layout_;
88 layout.primary_id = pair.first;
89 paired_layouts_[pair] = layout;
90 return layout;
91 }
92
93 } // namespace internal
94 } // namespace ash
95