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// Copyright (c) 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 "chrome/browser/ui/webui/options/chromeos/display_overscan_handler.h"
#include <string>
#include "ash/display/display_controller.h"
#include "ash/screen_util.h"
#include "ash/shell.h"
#include "base/bind.h"
#include "base/logging.h"
#include "base/strings/string_number_conversions.h"
#include "base/values.h"
#include "chrome/browser/chromeos/display/overscan_calibrator.h"
#include "content/public/browser/web_ui.h"
#include "grit/generated_resources.h"
#include "ui/base/l10n/l10n_util.h"
#include "ui/gfx/display.h"
#include "ui/gfx/screen.h"
namespace chromeos {
namespace options {
namespace {
// The value for the orientation of overscan operations.
const char kOrientationHorizontal[] = "horizontal";
const char kOrientationVertical[] = "vertical";
}
DisplayOverscanHandler::DisplayOverscanHandler() {
ash::Shell::GetScreen()->AddObserver(this);
}
DisplayOverscanHandler::~DisplayOverscanHandler() {
ash::Shell::GetScreen()->RemoveObserver(this);
}
void DisplayOverscanHandler::GetLocalizedValues(
base::DictionaryValue* localized_strings) {
RegisterTitle(localized_strings, "displayOverscanPage",
IDS_OPTIONS_SETTINGS_DISPLAY_OVERSCAN_TAB_TITLE);
localized_strings->SetString("shrinkAndExpand", l10n_util::GetStringUTF16(
IDS_OPTIONS_SETTINGS_DISPLAY_OVERSCAN_SHRINK_EXPAND));
localized_strings->SetString("move", l10n_util::GetStringUTF16(
IDS_OPTIONS_SETTINGS_DISPLAY_OVERSCAN_MOVE));
localized_strings->SetString("overscanReset", l10n_util::GetStringUTF16(
IDS_OPTIONS_SETTINGS_DISPLAY_OVERSCAN_RESET_BUTTON_LABEL));
localized_strings->SetString("overscanOK", l10n_util::GetStringUTF16(
IDS_OPTIONS_SETTINGS_DISPLAY_OVERSCAN_OK_BUTTON_LABEL));
localized_strings->SetString("overscanCancel", l10n_util::GetStringUTF16(
IDS_OPTIONS_SETTINGS_DISPLAY_OVERSCAN_CANCEL_BUTTON_LABEL));
}
void DisplayOverscanHandler::RegisterMessages() {
web_ui()->RegisterMessageCallback(
"start",
base::Bind(&DisplayOverscanHandler::HandleStart,
base::Unretained(this)));
web_ui()->RegisterMessageCallback(
"commit",
base::Bind(&DisplayOverscanHandler::HandleCommit,
base::Unretained(this)));
web_ui()->RegisterMessageCallback(
"reset",
base::Bind(&DisplayOverscanHandler::HandleReset,
base::Unretained(this)));
web_ui()->RegisterMessageCallback(
"cancel",
base::Bind(&DisplayOverscanHandler::HandleCancel,
base::Unretained(this)));
web_ui()->RegisterMessageCallback(
"move",
base::Bind(&DisplayOverscanHandler::HandleMove,
base::Unretained(this)));
web_ui()->RegisterMessageCallback(
"resize",
base::Bind(&DisplayOverscanHandler::HandleResize,
base::Unretained(this)));
}
void DisplayOverscanHandler::OnDisplayAdded(const gfx::Display& new_display) {
web_ui()->CallJavascriptFunction(
"options.DisplayOverscan.onOverscanCanceled");
}
void DisplayOverscanHandler::OnDisplayRemoved(const gfx::Display& old_display) {
web_ui()->CallJavascriptFunction(
"options.DisplayOverscan.onOverscanCanceled");
}
void DisplayOverscanHandler::OnDisplayMetricsChanged(const gfx::Display&,
uint32_t) {
}
void DisplayOverscanHandler::HandleStart(const base::ListValue* args) {
int64 display_id = gfx::Display::kInvalidDisplayID;
std::string id_value;
if (!args->GetString(0, &id_value)) {
LOG(ERROR) << "Can't find ID";
return;
}
if (!base::StringToInt64(id_value, &display_id) ||
display_id == gfx::Display::kInvalidDisplayID) {
LOG(ERROR) << "Invalid parameter: " << id_value;
return;
}
const gfx::Display& display = ash::ScreenUtil::GetDisplayForId(display_id);
DCHECK(display.is_valid());
if (!display.is_valid())
return;
ash::DisplayController* display_controller =
ash::Shell::GetInstance()->display_controller();
overscan_calibrator_.reset(new OverscanCalibrator(
display,
display_controller->GetOverscanInsets(display_id)));
}
void DisplayOverscanHandler::HandleCommit(const base::ListValue* unused_args) {
if (overscan_calibrator_.get()) {
overscan_calibrator_->Commit();
overscan_calibrator_.reset();
}
}
void DisplayOverscanHandler::HandleReset(const base::ListValue* unused_args) {
if (overscan_calibrator_.get())
overscan_calibrator_->Reset();
}
void DisplayOverscanHandler::HandleCancel(const base::ListValue* unused_args) {
overscan_calibrator_.reset();
}
void DisplayOverscanHandler::HandleMove(const base::ListValue* args) {
std::string orientation;
double length;
if (!args->GetString(0, &orientation)) {
LOG(ERROR) << "The first argument must be orientation";
return;
}
if (!args->GetDouble(1, &length)) {
LOG(ERROR) << "The second argument must be a numeric";
return;
}
if (!overscan_calibrator_.get())
return;
gfx::Insets insets = overscan_calibrator_->insets();
if (orientation == kOrientationHorizontal) {
insets.Set(insets.top(), insets.left() + length,
insets.bottom(), insets.right() - length);
} else if (orientation == kOrientationVertical) {
insets.Set(insets.top() + length, insets.left(),
insets.bottom() - length, insets.right());
} else {
LOG(ERROR) << "The orientation must be '" << kOrientationHorizontal
<< "' or '" << kOrientationVertical << "': "
<< orientation;
return;
}
overscan_calibrator_->UpdateInsets(insets);
}
void DisplayOverscanHandler::HandleResize(const base::ListValue* args) {
std::string orientation;
double length;
if (!args->GetString(0, &orientation)) {
LOG(ERROR) << "The first argument must be orientation";
return;
}
if (!args->GetDouble(1, &length)) {
LOG(ERROR) << "The second argument must be a numeric";
return;
}
if (!overscan_calibrator_.get())
return;
gfx::Insets insets = overscan_calibrator_->insets();
if (orientation == kOrientationHorizontal) {
insets.Set(insets.top(), insets.left() + length,
insets.bottom(), insets.right() + length);
} else if (orientation == kOrientationVertical) {
insets.Set(insets.top() + length, insets.left(),
insets.bottom() + length, insets.right());
} else {
LOG(ERROR) << "The orientation must be '" << kOrientationHorizontal
<< "' or '" << kOrientationVertical << "': "
<< orientation;
return;
}
overscan_calibrator_->UpdateInsets(insets);
}
} // namespace options
} // namespace chromeos
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