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// Copyright 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 "content/browser/accessibility/accessibility_tree_formatter.h"
#include <string>
#include "base/android/jni_android.h"
#include "base/android/jni_string.h"
#include "base/files/file_path.h"
#include "base/json/json_writer.h"
#include "base/macros.h"
#include "base/strings/string_number_conversions.h"
#include "base/strings/string_util.h"
#include "base/strings/stringprintf.h"
#include "base/strings/utf_string_conversions.h"
#include "content/browser/accessibility/browser_accessibility_android.h"
using base::StringPrintf;
namespace content {
namespace {
const char* BOOL_ATTRIBUTES[] = {
"checkable",
"checked",
"clickable",
"collection",
"collection_item",
"content_invalid",
"disabled",
"dismissable",
"editable_text",
"focusable",
"focused",
"heading",
"hierarchical",
"invisible",
"link",
"multiline",
"password",
"range",
"scrollable",
"selected"
};
const char* STRING_ATTRIBUTES[] = {
"name"
};
const char* INT_ATTRIBUTES[] = {
"item_index",
"item_count",
"row_count",
"column_count",
"row_index",
"row_span",
"column_index",
"column_span",
"input_type",
"live_region_type",
"range_min",
"range_max",
"range_current_value",
"text_change_added_count",
"text_change_removed_count",
};
}
class AccessibilityTreeFormatterAndroid : public AccessibilityTreeFormatter {
public:
explicit AccessibilityTreeFormatterAndroid();
~AccessibilityTreeFormatterAndroid() override;
private:
const base::FilePath::StringType GetExpectedFileSuffix() override;
const std::string GetAllowEmptyString() override;
const std::string GetAllowString() override;
const std::string GetDenyString() override;
void AddProperties(const BrowserAccessibility& node,
base::DictionaryValue* dict) override;
base::string16 ToString(const base::DictionaryValue& node) override;
};
// static
AccessibilityTreeFormatter* AccessibilityTreeFormatter::Create() {
return new AccessibilityTreeFormatterAndroid();
}
AccessibilityTreeFormatterAndroid::AccessibilityTreeFormatterAndroid() {
}
AccessibilityTreeFormatterAndroid::~AccessibilityTreeFormatterAndroid() {
}
void AccessibilityTreeFormatterAndroid::AddProperties(
const BrowserAccessibility& node, base::DictionaryValue* dict) {
dict->SetInteger("id", node.GetId());
const BrowserAccessibilityAndroid* android_node =
static_cast<const BrowserAccessibilityAndroid*>(&node);
// Class name.
dict->SetString("class", android_node->GetClassName());
// Bool attributes.
dict->SetBoolean("checkable", android_node->IsCheckable());
dict->SetBoolean("checked", android_node->IsChecked());
dict->SetBoolean("clickable", android_node->IsClickable());
dict->SetBoolean("collection", android_node->IsCollection());
dict->SetBoolean("collection_item", android_node->IsCollectionItem());
dict->SetBoolean("disabled", !android_node->IsEnabled());
dict->SetBoolean("dismissable", android_node->IsDismissable());
dict->SetBoolean("editable_text", android_node->IsEditableText());
dict->SetBoolean("focusable", android_node->IsFocusable());
dict->SetBoolean("focused", android_node->IsFocused());
dict->SetBoolean("heading", android_node->IsHeading());
dict->SetBoolean("hierarchical", android_node->IsHierarchical());
dict->SetBoolean("invisible", !android_node->IsVisibleToUser());
dict->SetBoolean("link", android_node->IsLink());
dict->SetBoolean("multiline", android_node->IsMultiLine());
dict->SetBoolean("range", android_node->IsRangeType());
dict->SetBoolean("password", android_node->IsPassword());
dict->SetBoolean("scrollable", android_node->IsScrollable());
dict->SetBoolean("selected", android_node->IsSelected());
// String attributes.
dict->SetString("name", android_node->GetText());
// Int attributes.
dict->SetInteger("item_index", android_node->GetItemIndex());
dict->SetInteger("item_count", android_node->GetItemCount());
dict->SetInteger("row_count", android_node->RowCount());
dict->SetInteger("column_count", android_node->ColumnCount());
dict->SetInteger("row_index", android_node->RowIndex());
dict->SetInteger("row_span", android_node->RowSpan());
dict->SetInteger("column_index", android_node->ColumnIndex());
dict->SetInteger("column_span", android_node->ColumnSpan());
dict->SetInteger("input_type", android_node->AndroidInputType());
dict->SetInteger("live_region_type", android_node->AndroidLiveRegionType());
dict->SetInteger("range_min", static_cast<int>(android_node->RangeMin()));
dict->SetInteger("range_max", static_cast<int>(android_node->RangeMax()));
dict->SetInteger("range_current_value",
static_cast<int>(android_node->RangeCurrentValue()));
dict->SetInteger("text_change_added_count",
android_node->GetTextChangeAddedCount());
dict->SetInteger("text_change_removed_count",
android_node->GetTextChangeRemovedCount());
// Actions.
dict->SetBoolean("action_scroll_forward", android_node->CanScrollForward());
dict->SetBoolean("action_scroll_backward", android_node->CanScrollBackward());
dict->SetBoolean("action_scroll_up", android_node->CanScrollUp());
dict->SetBoolean("action_scroll_down", android_node->CanScrollDown());
dict->SetBoolean("action_scroll_left", android_node->CanScrollLeft());
dict->SetBoolean("action_scroll_right", android_node->CanScrollRight());
}
base::string16 AccessibilityTreeFormatterAndroid::ToString(
const base::DictionaryValue& dict) {
base::string16 line;
if (show_ids()) {
int id_value;
dict.GetInteger("id", &id_value);
WriteAttribute(true, base::IntToString16(id_value), &line);
}
base::string16 class_value;
dict.GetString("class", &class_value);
WriteAttribute(true, base::UTF16ToUTF8(class_value), &line);
for (unsigned i = 0; i < arraysize(BOOL_ATTRIBUTES); i++) {
const char* attribute_name = BOOL_ATTRIBUTES[i];
bool value;
if (dict.GetBoolean(attribute_name, &value) && value)
WriteAttribute(true, attribute_name, &line);
}
for (unsigned i = 0; i < arraysize(STRING_ATTRIBUTES); i++) {
const char* attribute_name = STRING_ATTRIBUTES[i];
std::string value;
if (!dict.GetString(attribute_name, &value) || value.empty())
continue;
WriteAttribute(true,
StringPrintf("%s='%s'", attribute_name, value.c_str()),
&line);
}
for (unsigned i = 0; i < arraysize(INT_ATTRIBUTES); i++) {
const char* attribute_name = INT_ATTRIBUTES[i];
int value;
if (!dict.GetInteger(attribute_name, &value) || value == 0)
continue;
WriteAttribute(true,
StringPrintf("%s=%d", attribute_name, value),
&line);
}
return line;
}
const base::FilePath::StringType
AccessibilityTreeFormatterAndroid::GetExpectedFileSuffix() {
return FILE_PATH_LITERAL("-expected-android.txt");
}
const std::string AccessibilityTreeFormatterAndroid::GetAllowEmptyString() {
return "@ANDROID-ALLOW-EMPTY:";
}
const std::string AccessibilityTreeFormatterAndroid::GetAllowString() {
return "@ANDROID-ALLOW:";
}
const std::string AccessibilityTreeFormatterAndroid::GetDenyString() {
return "@ANDROID-DENY:";
}
} // namespace content
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