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// Copyright 2014 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/aura/accessibility/ax_tree_source_aura.h"
#include <stddef.h>
#include <vector>
#include "chrome/browser/ui/aura/accessibility/automation_manager_aura.h"
#include "content/public/browser/render_frame_host.h"
#include "content/public/browser/render_process_host.h"
#include "content/public/browser/web_contents.h"
#include "ui/views/accessibility/ax_aura_obj_cache.h"
#include "ui/views/accessibility/ax_aura_obj_wrapper.h"
#include "ui/views/accessibility/ax_view_obj_wrapper.h"
#if defined(TOOLKIT_VIEWS)
#include "ui/views/controls/webview/webview.h" // nogncheck
#endif
using views::AXAuraObjCache;
using views::AXAuraObjWrapper;
AXTreeSourceAura::AXTreeSourceAura() {
root_.reset(new AXRootObjWrapper(AXAuraObjCache::GetInstance()->GetNextID()));
}
AXTreeSourceAura::~AXTreeSourceAura() {
root_.reset();
}
void AXTreeSourceAura::DoDefault(int32_t id) {
AXAuraObjWrapper* obj = AXAuraObjCache::GetInstance()->Get(id);
if (obj)
obj->DoDefault();
}
void AXTreeSourceAura::Focus(int32_t id) {
AXAuraObjWrapper* obj = AXAuraObjCache::GetInstance()->Get(id);
if (obj)
obj->Focus();
}
void AXTreeSourceAura::MakeVisible(int32_t id) {
AXAuraObjWrapper* obj = AXAuraObjCache::GetInstance()->Get(id);
if (obj)
obj->MakeVisible();
}
void AXTreeSourceAura::SetSelection(int32_t id, int32_t start, int32_t end) {
AXAuraObjWrapper* obj = AXAuraObjCache::GetInstance()->Get(id);
if (obj)
obj->SetSelection(start, end);
}
void AXTreeSourceAura::ShowContextMenu(int32_t id) {
AXAuraObjWrapper* obj = AXAuraObjCache::GetInstance()->Get(id);
if (obj)
obj->ShowContextMenu();
}
bool AXTreeSourceAura::GetTreeData(ui::AXTreeData* tree_data) const {
tree_data->tree_id = 0;
tree_data->loaded = true;
tree_data->loading_progress = 1.0;
AXAuraObjWrapper* focus = AXAuraObjCache::GetInstance()->GetFocus();
if (focus)
tree_data->focus_id = focus->GetID();
return true;
}
AXAuraObjWrapper* AXTreeSourceAura::GetRoot() const {
return root_.get();
}
AXAuraObjWrapper* AXTreeSourceAura::GetFromId(int32_t id) const {
if (id == root_->GetID())
return root_.get();
return AXAuraObjCache::GetInstance()->Get(id);
}
int32_t AXTreeSourceAura::GetId(AXAuraObjWrapper* node) const {
return node->GetID();
}
void AXTreeSourceAura::GetChildren(
AXAuraObjWrapper* node,
std::vector<AXAuraObjWrapper*>* out_children) const {
node->GetChildren(out_children);
}
AXAuraObjWrapper* AXTreeSourceAura::GetParent(AXAuraObjWrapper* node) const {
AXAuraObjWrapper* parent = node->GetParent();
if (!parent && node->GetID() != root_->GetID())
parent = root_.get();
return parent;
}
bool AXTreeSourceAura::IsValid(AXAuraObjWrapper* node) const {
return node && node->GetID() != -1;
}
bool AXTreeSourceAura::IsEqual(AXAuraObjWrapper* node1,
AXAuraObjWrapper* node2) const {
if (!node1 || !node2)
return false;
return node1->GetID() == node2->GetID() && node1->GetID() != -1;
}
AXAuraObjWrapper* AXTreeSourceAura::GetNull() const {
return NULL;
}
void AXTreeSourceAura::SerializeNode(AXAuraObjWrapper* node,
ui::AXNodeData* out_data) const {
node->Serialize(out_data);
if (out_data->role == ui::AX_ROLE_WEB_VIEW) {
views::View* view = static_cast<views::AXViewObjWrapper*>(node)->view();
content::WebContents* contents =
static_cast<views::WebView*>(view)->GetWebContents();
content::RenderFrameHost* rfh = contents->GetMainFrame();
if (rfh) {
int ax_tree_id = rfh->GetAXTreeID();
out_data->AddIntAttribute(ui::AX_ATTR_CHILD_TREE_ID, ax_tree_id);
}
}
}
std::string AXTreeSourceAura::ToString(AXAuraObjWrapper* root,
std::string prefix) {
ui::AXNodeData data;
root->Serialize(&data);
std::string output = prefix + data.ToString() + '\n';
std::vector<AXAuraObjWrapper*> children;
root->GetChildren(&children);
prefix += prefix[0];
for (size_t i = 0; i < children.size(); ++i)
output += ToString(children[i], prefix);
return output;
}
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