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// Copyright 2015 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef UI_ACCESSIBILITY_PLATFORM_BROWSER_ACCESSIBILITY_MANAGER_AURALINUX_H_
#define UI_ACCESSIBILITY_PLATFORM_BROWSER_ACCESSIBILITY_MANAGER_AURALINUX_H_
#include <vector>
#include "base/component_export.h"
#include "base/gtest_prod_util.h"
#include "ui/accessibility/ax_node_id_forward.h"
#include "ui/accessibility/platform/browser_accessibility_manager.h"
namespace ui {
class AXPlatformTreeManagerDelegate;
}
namespace ui {
class BrowserAccessibilityAuraLinux;
// Manages a tree of BrowserAccessibilityAuraLinux objects.
class COMPONENT_EXPORT(AX_PLATFORM) BrowserAccessibilityManagerAuraLinux
: public BrowserAccessibilityManager {
public:
BrowserAccessibilityManagerAuraLinux(const AXTreeUpdate& initial_tree,
AXNodeIdDelegate& node_id_delegate,
AXPlatformTreeManagerDelegate* delegate);
BrowserAccessibilityManagerAuraLinux(
const BrowserAccessibilityManagerAuraLinux&) = delete;
BrowserAccessibilityManagerAuraLinux& operator=(
const BrowserAccessibilityManagerAuraLinux&) = delete;
~BrowserAccessibilityManagerAuraLinux() override;
static AXTreeUpdate GetEmptyDocument();
void SetPrimaryWebContentsForWindow(AXNodeID node_id);
AXNodeID GetPrimaryWebContentsForWindow() const;
// AXTreeManager overrides.
void FireFocusEvent(AXNode* node) override;
// BrowserAccessibilityManager overrides.
void FireBlinkEvent(ax::mojom::Event event_type,
BrowserAccessibility* node,
int action_request_id) override;
void FireGeneratedEvent(AXEventGenerator::Event event_type,
const AXNode* node) override;
void FireAriaNotificationEvent(
BrowserAccessibility* node,
const std::string& announcement,
ax::mojom::AriaNotificationPriority priority_property,
ax::mojom::AriaNotificationInterrupt interrupt_property,
const std::string& type) override;
bool ShouldExposeExtraAnnouncementNodes() const override;
BrowserAccessibility* GetExtraAnnouncementNodeFromNode(
const BrowserAccessibility* node,
ax::mojom::AriaNotificationPriority priority_property) const override;
bool TreeHasExtraAnnouncementNodes() const override;
size_t TreeExtraAnnouncementNodesCount() const override;
void FireSelectedEvent(BrowserAccessibility* node);
void FireEnabledChangedEvent(BrowserAccessibility* node);
void FireExpandedEvent(BrowserAccessibility* node, bool is_expanded);
void FireShowingEvent(BrowserAccessibility* node, bool is_showing);
void FireInvalidStatusChangedEvent(BrowserAccessibility* node);
void FireAriaCurrentChangedEvent(BrowserAccessibility* node);
void FireBusyChangedEvent(BrowserAccessibility* node, bool is_busy);
void FireLoadingEvent(BrowserAccessibility* node, bool is_loading);
void FireNameChangedEvent(BrowserAccessibility* node);
void FireDescriptionChangedEvent(BrowserAccessibility* node);
void FireParentChangedEvent(BrowserAccessibility* node);
void FireReadonlyChangedEvent(BrowserAccessibility* node);
void FireSortDirectionChangedEvent(BrowserAccessibility* node);
void FireTextAttributesChangedEvent(BrowserAccessibility* node);
void FireSubtreeCreatedEvent(BrowserAccessibility* node);
void OnFindInPageResult(int request_id,
int match_index,
int start_id,
int start_offset,
int end_id,
int end_offset) override;
void OnFindInPageTermination() override;
protected:
FRIEND_TEST_ALL_PREFIXES(BrowserAccessibilityManagerAuraLinuxTest,
TestEmitChildrenChanged);
// AXTreeObserver methods.
void OnNodeWillBeDeleted(ui::AXTree* tree, ui::AXNode* node) override;
void OnIgnoredWillChange(
AXTree* tree,
AXNode* node,
bool is_ignored_new_value,
bool is_changing_unignored_parents_children) override;
void OnSubtreeWillBeDeleted(AXTree* tree, AXNode* node) override;
void OnAtomicUpdateFinished(
AXTree* tree,
bool root_changed,
const std::vector<AXTreeObserver::Change>& changes) override;
private:
bool CanEmitChildrenChanged(BrowserAccessibility* node) const;
void FireEvent(BrowserAccessibility* node, ax::mojom::Event event);
// Give BrowserAccessibilityManager::Create access to our constructor.
friend class BrowserAccessibilityManager;
AXNodeID primary_web_contents_for_window_id_ = kInvalidAXNodeID;
};
} // namespace ui
#endif // UI_ACCESSIBILITY_PLATFORM_BROWSER_ACCESSIBILITY_MANAGER_AURALINUX_H_
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