Update To 11.40.268.0
[platform/framework/web/crosswalk.git] / src / ash / display / display_layout_store.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 <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
15 DisplayLayoutStore::DisplayLayoutStore() {
16   base::CommandLine* command_line = base::CommandLine::ForCurrentProcess();
17   if (command_line->HasSwitch(switches::kAshSecondaryDisplayLayout)) {
18     std::string value = command_line->GetSwitchValueASCII(
19         switches::kAshSecondaryDisplayLayout);
20     char layout;
21     int offset = 0;
22     if (sscanf(value.c_str(), "%c,%d", &layout, &offset) == 2) {
23       if (layout == 't')
24         default_display_layout_.position = DisplayLayout::TOP;
25       else if (layout == 'b')
26         default_display_layout_.position = DisplayLayout::BOTTOM;
27       else if (layout == 'r')
28         default_display_layout_.position = DisplayLayout::RIGHT;
29       else if (layout == 'l')
30         default_display_layout_.position = DisplayLayout::LEFT;
31       default_display_layout_.offset = offset;
32     }
33   }
34 }
35
36 DisplayLayoutStore::~DisplayLayoutStore() {
37 }
38
39 void DisplayLayoutStore::SetDefaultDisplayLayout(const DisplayLayout& layout) {
40   base::CommandLine* command_line = base::CommandLine::ForCurrentProcess();
41   if (!command_line->HasSwitch(switches::kAshSecondaryDisplayLayout))
42     default_display_layout_ = layout;
43 }
44
45 void DisplayLayoutStore::RegisterLayoutForDisplayIdPair(
46     int64 id1,
47     int64 id2,
48     const DisplayLayout& layout) {
49   paired_layouts_[std::make_pair(id1, id2)] = layout;
50 }
51
52 DisplayLayout DisplayLayoutStore::GetRegisteredDisplayLayout(
53     const DisplayIdPair& pair) {
54   std::map<DisplayIdPair, DisplayLayout>::const_iterator iter =
55       paired_layouts_.find(pair);
56   return
57       iter != paired_layouts_.end() ? iter->second : CreateDisplayLayout(pair);
58 }
59
60 DisplayLayout DisplayLayoutStore::ComputeDisplayLayoutForDisplayIdPair(
61     const DisplayIdPair& pair) {
62   DisplayLayout layout = GetRegisteredDisplayLayout(pair);
63   DCHECK_NE(layout.primary_id, gfx::Display::kInvalidDisplayID);
64   // Invert if the primary was swapped. If mirrored, first is always
65   // primary.
66   return (layout.primary_id == gfx::Display::kInvalidDisplayID ||
67           pair.first == layout.primary_id) ? layout : layout.Invert();
68 }
69
70 void DisplayLayoutStore::UpdateMirrorStatus(const DisplayIdPair& pair,
71                                             bool mirrored) {
72   if (paired_layouts_.find(pair) == paired_layouts_.end())
73     CreateDisplayLayout(pair);
74   paired_layouts_[pair].mirrored = mirrored;
75 }
76
77 void DisplayLayoutStore::UpdatePrimaryDisplayId(const DisplayIdPair& pair,
78                                                 int64 display_id) {
79   if (paired_layouts_.find(pair) == paired_layouts_.end())
80     CreateDisplayLayout(pair);
81   paired_layouts_[pair].primary_id = display_id;
82 }
83
84 DisplayLayout DisplayLayoutStore::CreateDisplayLayout(
85     const DisplayIdPair& pair) {
86   DisplayLayout layout = default_display_layout_;
87   layout.primary_id = pair.first;
88   paired_layouts_[pair] = layout;
89   return layout;
90 }
91
92 }  // namespace ash