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// Copyright 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <stdio.h>
#include "ash/ash_switches.h"
#include "ash/display/display_layout_store.h"
#include "base/command_line.h"
#include "base/logging.h"
#include "ui/gfx/display.h"
namespace ash {
namespace internal {
DisplayLayoutStore::DisplayLayoutStore() {
CommandLine* command_line = CommandLine::ForCurrentProcess();
if (command_line->HasSwitch(switches::kAshSecondaryDisplayLayout)) {
std::string value = command_line->GetSwitchValueASCII(
switches::kAshSecondaryDisplayLayout);
char layout;
int offset = 0;
if (sscanf(value.c_str(), "%c,%d", &layout, &offset) == 2) {
if (layout == 't')
default_display_layout_.position = DisplayLayout::TOP;
else if (layout == 'b')
default_display_layout_.position = DisplayLayout::BOTTOM;
else if (layout == 'r')
default_display_layout_.position = DisplayLayout::RIGHT;
else if (layout == 'l')
default_display_layout_.position = DisplayLayout::LEFT;
default_display_layout_.offset = offset;
}
}
}
DisplayLayoutStore::~DisplayLayoutStore() {
}
void DisplayLayoutStore::SetDefaultDisplayLayout(const DisplayLayout& layout) {
CommandLine* command_line = CommandLine::ForCurrentProcess();
if (!command_line->HasSwitch(switches::kAshSecondaryDisplayLayout))
default_display_layout_ = layout;
}
void DisplayLayoutStore::RegisterLayoutForDisplayIdPair(
int64 id1,
int64 id2,
const DisplayLayout& layout) {
paired_layouts_[std::make_pair(id1, id2)] = layout;
}
DisplayLayout DisplayLayoutStore::GetRegisteredDisplayLayout(
const DisplayIdPair& pair) {
std::map<DisplayIdPair, DisplayLayout>::const_iterator iter =
paired_layouts_.find(pair);
return
iter != paired_layouts_.end() ? iter->second : CreateDisplayLayout(pair);
}
DisplayLayout DisplayLayoutStore::ComputeDisplayLayoutForDisplayIdPair(
const DisplayIdPair& pair) {
DisplayLayout layout = GetRegisteredDisplayLayout(pair);
DCHECK_NE(layout.primary_id, gfx::Display::kInvalidDisplayID);
// Invert if the primary was swapped. If mirrored, first is always
// primary.
return (layout.primary_id == gfx::Display::kInvalidDisplayID ||
pair.first == layout.primary_id) ? layout : layout.Invert();
}
void DisplayLayoutStore::UpdateMirrorStatus(const DisplayIdPair& pair,
bool mirrored) {
if (paired_layouts_.find(pair) == paired_layouts_.end())
CreateDisplayLayout(pair);
paired_layouts_[pair].mirrored = mirrored;
}
void DisplayLayoutStore::UpdatePrimaryDisplayId(const DisplayIdPair& pair,
int64 display_id) {
if (paired_layouts_.find(pair) == paired_layouts_.end())
CreateDisplayLayout(pair);
paired_layouts_[pair].primary_id = display_id;
}
DisplayLayout DisplayLayoutStore::CreateDisplayLayout(
const DisplayIdPair& pair) {
DisplayLayout layout = default_display_layout_;
layout.primary_id = pair.first;
paired_layouts_[pair] = layout;
return layout;
}
} // namespace internal
} // namespace ash
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