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// Copyright (c) 2012 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 "ui/aura/single_display_manager.h"
#include <string>
#include "base/command_line.h"
#include "ui/aura/aura_switches.h"
#include "ui/aura/root_window.h"
#include "ui/aura/root_window_host.h"
#include "ui/gfx/display.h"
#include "ui/gfx/rect.h"
namespace aura {
using std::string;
namespace {
// Default bounds for the primary display.
const int kDefaultHostWindowX = 200;
const int kDefaultHostWindowY = 200;
const int kDefaultHostWindowWidth = 1280;
const int kDefaultHostWindowHeight = 1024;
} // namespace
SingleDisplayManager::SingleDisplayManager()
: root_window_(NULL) {
Init();
}
SingleDisplayManager::~SingleDisplayManager() {
// All displays must have been deleted when display manager is deleted.
CHECK(!root_window_);
}
void SingleDisplayManager::OnNativeDisplaysChanged(
const std::vector<gfx::Display>& displays) {
DCHECK(displays.size() > 0);
if (use_fullscreen_host_window()) {
display_.SetSize(displays[0].bounds().size());
NotifyBoundsChanged(display_);
}
}
RootWindow* SingleDisplayManager::CreateRootWindowForDisplay(
const gfx::Display& display) {
DCHECK(!root_window_);
DCHECK_EQ(display_.id(), display.id());
root_window_ = new RootWindow(display.bounds());
root_window_->AddObserver(this);
root_window_->Init();
return root_window_;
}
gfx::Display* SingleDisplayManager::GetDisplayAt(size_t index) {
return &display_;
}
size_t SingleDisplayManager::GetNumDisplays() const {
return 1;
}
const gfx::Display& SingleDisplayManager::GetDisplayNearestWindow(
const Window* window) const {
return display_;
}
const gfx::Display& SingleDisplayManager::GetDisplayNearestPoint(
const gfx::Point& point) const {
return display_;
}
const gfx::Display& SingleDisplayManager::GetDisplayMatching(
const gfx::Rect& match_rect) const {
return display_;
}
void SingleDisplayManager::OnWindowBoundsChanged(
Window* window, const gfx::Rect& old_bounds, const gfx::Rect& new_bounds) {
if (!use_fullscreen_host_window()) {
Update(new_bounds.size());
NotifyBoundsChanged(display_);
}
}
void SingleDisplayManager::OnWindowDestroying(Window* window) {
if (root_window_ == window)
root_window_ = NULL;
}
void SingleDisplayManager::Init() {
const string size_str = CommandLine::ForCurrentProcess()->GetSwitchValueASCII(
switches::kAuraHostWindowSize);
display_ = CreateDisplayFromSpec(size_str);
}
void SingleDisplayManager::Update(const gfx::Size size) {
display_.SetSize(size);
}
} // namespace aura
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