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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/palette_tool_manager.h"
#include "ash/resources/vector_icons/vector_icons.h"
#include "ash/system/palette/palette_tool.h"
#include "base/containers/contains.h"
#include "base/functional/bind.h"
#include "base/metrics/histogram_macros.h"
namespace ash {
PaletteToolManager::PaletteToolManager(Delegate* delegate)
: delegate_(delegate) {
DCHECK(delegate_);
}
PaletteToolManager::~PaletteToolManager() = default;
bool PaletteToolManager::HasTool(PaletteToolId tool_id) {
return FindToolById(tool_id);
}
void PaletteToolManager::AddTool(std::unique_ptr<PaletteTool> tool) {
// The same PaletteToolId cannot be registered twice.
DCHECK(!base::Contains(tools_, tool->GetToolId(), &PaletteTool::GetToolId));
tools_.emplace_back(std::move(tool));
}
void PaletteToolManager::ActivateTool(PaletteToolId tool_id) {
PaletteTool* new_tool = FindToolById(tool_id);
DCHECK(new_tool);
PaletteTool* previous_tool = active_tools_[new_tool->GetGroup()];
if (new_tool == previous_tool)
return;
if (previous_tool) {
previous_tool->OnDisable();
}
active_tools_[new_tool->GetGroup()] = new_tool;
new_tool->OnEnable();
delegate_->OnActiveToolChanged();
}
void PaletteToolManager::DeactivateTool(PaletteToolId tool_id) {
PaletteTool* tool = FindToolById(tool_id);
DCHECK(tool);
active_tools_[tool->GetGroup()] = nullptr;
tool->OnDisable();
delegate_->OnActiveToolChanged();
}
bool PaletteToolManager::IsToolActive(PaletteToolId tool_id) {
PaletteTool* tool = FindToolById(tool_id);
DCHECK(tool);
return active_tools_[tool->GetGroup()] == tool;
}
PaletteToolId PaletteToolManager::GetActiveTool(PaletteGroup group) {
PaletteTool* active_tool = active_tools_[group];
return active_tool ? active_tool->GetToolId() : PaletteToolId::NONE;
}
const gfx::VectorIcon& PaletteToolManager::GetActiveTrayIcon(
PaletteToolId tool_id) const {
PaletteTool* tool = FindToolById(tool_id);
if (!tool)
return kPaletteTrayIconDefaultNewuiIcon;
return tool->GetActiveTrayIcon();
}
std::vector<PaletteToolView> PaletteToolManager::CreateViews() {
std::vector<PaletteToolView> views;
views.reserve(tools_.size());
for (const auto& tool : tools_) {
views::View* tool_view = tool->CreateView();
if (!tool_view)
continue;
PaletteToolView view;
view.group = tool->GetGroup();
view.tool_id = tool->GetToolId();
view.view = tool_view;
views.push_back(view);
}
return views;
}
void PaletteToolManager::NotifyViewsDestroyed() {
for (std::unique_ptr<PaletteTool>& tool : tools_)
tool->OnViewDestroyed();
}
void PaletteToolManager::DisableActiveTool(PaletteGroup group) {
PaletteToolId tool_id = GetActiveTool(group);
if (tool_id != PaletteToolId::NONE)
DeactivateTool(tool_id);
}
void PaletteToolManager::EnableTool(PaletteToolId tool_id) {
ActivateTool(tool_id);
}
void PaletteToolManager::DisableTool(PaletteToolId tool_id) {
DeactivateTool(tool_id);
}
void PaletteToolManager::HidePalette() {
delegate_->HidePalette();
}
void PaletteToolManager::HidePaletteImmediately() {
delegate_->HidePaletteImmediately();
}
aura::Window* PaletteToolManager::GetWindow() {
return delegate_->GetWindow();
}
PaletteTool* PaletteToolManager::FindToolById(PaletteToolId tool_id) const {
for (const std::unique_ptr<PaletteTool>& tool : tools_) {
if (tool->GetToolId() == tool_id)
return tool.get();
}
return nullptr;
}
} // namespace ash
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