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// Copyright 2016 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ash/system/palette/tools/create_note_action.h"
#include "ash/public/cpp/note_taking_client.h"
#include "ash/resources/vector_icons/vector_icons.h"
#include "ash/shell.h"
#include "ash/strings/grit/ash_strings.h"
#include "ash/system/palette/palette_ids.h"
#include "ui/base/l10n/l10n_util.h"
#include "ui/events/event.h"
#include "ui/views/view.h"
#include "ui/views/widget/widget.h"
namespace ash {
namespace {
NoteTakingClient* GetAvailableClient() {
auto* client = NoteTakingClient::GetInstance();
if (!client || !client->CanCreateNote())
return nullptr;
return client;
}
} // namespace
CreateNoteAction::CreateNoteAction(Delegate* delegate)
: CommonPaletteTool(delegate) {
Shell::Get()->AddPreTargetHandler(this);
}
CreateNoteAction::~CreateNoteAction() {
Shell::Get()->RemovePreTargetHandler(this);
}
PaletteGroup CreateNoteAction::GetGroup() const {
return PaletteGroup::ACTION;
}
PaletteToolId CreateNoteAction::GetToolId() const {
return PaletteToolId::CREATE_NOTE;
}
void CreateNoteAction::OnEnable() {
CommonPaletteTool::OnEnable();
auto* client = GetAvailableClient();
if (client)
client->CreateNote();
delegate()->DisableTool(GetToolId());
delegate()->HidePalette();
}
views::View* CreateNoteAction::CreateView() {
if (!GetAvailableClient())
return nullptr;
if (!ShouldShowOnDisplay())
return nullptr;
return CreateDefaultView(
l10n_util::GetStringUTF16(IDS_ASH_STYLUS_TOOLS_CREATE_NOTE_ACTION));
}
const gfx::VectorIcon& CreateNoteAction::GetPaletteIcon() const {
return kPaletteActionCreateNoteIcon;
}
void CreateNoteAction::OnKeyEvent(ui::KeyEvent* event) {
// Listen for events generated by a bluetooth button on the tail of a stylus.
// This is different from a regular stylus button on a barrel. Regular barrel
// buttons require proximity to the screen and add a flag to the touch event,
// rather than generating a key event.
//
// The only events with the EF_IS_STYLUS_BUTTON flags will be generated by
// special bluetooth buttons.
if (!(event->flags() & ui::EF_IS_STYLUS_BUTTON))
return;
if (event->type() == ui::EventType::kKeyPressed) {
OnEnable();
}
// This event shouldn't be handled as a regular key event, so consume it.
event->StopPropagation();
}
// Don't show the create note action on external displays. This
// avoids some corner cases that haven't been addressed yet.
bool CreateNoteAction::ShouldShowOnDisplay() {
if (external_display_for_test_)
return false;
// Allow the unit tests to function normally without a window
aura::Window* root = delegate()->GetWindow();
if (root == nullptr)
return true;
const display::Display& display =
display::Screen::GetScreen()->GetDisplayNearestWindow(root);
return display.IsInternal();
}
} // namespace ash
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