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// Copyright 2023 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef ASH_GLANCEABLES_TASKS_GLANCEABLES_TASK_VIEW_H_
#define ASH_GLANCEABLES_TASKS_GLANCEABLES_TASK_VIEW_H_
#include <string>
#include <string_view>
#include "ash/api/tasks/tasks_client.h"
#include "ash/api/tasks/tasks_types.h"
#include "ash/ash_export.h"
#include "ash/glanceables/tasks/glanceables_tasks_error_type.h"
#include "ash/style/error_message_toast.h"
#include "base/functional/callback_forward.h"
#include "base/memory/raw_ptr.h"
#include "base/memory/weak_ptr.h"
#include "base/scoped_multi_source_observation.h"
#include "google_apis/common/api_error_codes.h"
#include "ui/base/metadata/metadata_header_macros.h"
#include "ui/views/layout/flex_layout_view.h"
#include "ui/views/view_observer.h"
namespace views {
class ImageButton;
class ImageView;
class LabelButton;
} // namespace views
namespace ash {
class SystemTextfield;
// `GlanceablesTaskView` uses `views::FlexLayout` to show tasks metadata within
// the `GlanceablesTasksView`.
// +---------------------------------------------------------------+
// |`GlanceablesTaskView` |
// | |
// | +-----------------+ +---------------------------------------+ |
// | |'check_button_' | |'contents_view_' | |
// | | | | +-----------------------------------+ | |
// | | | | |'tasks_title_view_' | | |
// | | | | +-----------------------------------+ | |
// | | | | +-----------------------------------+ | |
// | | | | |'tasks_details_view_' | | |
// | | | | +-----------------------------------+ | |
// | +-----------------+ +---------------------------------------+ |
// +---------------------------------------------------------------+
class ASH_EXPORT GlanceablesTaskView : public views::FlexLayoutView,
public views::ViewObserver {
METADATA_HEADER(GlanceablesTaskView, views::FlexLayoutView)
public:
using MarkAsCompletedCallback =
base::RepeatingCallback<void(const std::string& task_id, bool completed)>;
using SaveCallback = base::RepeatingCallback<void(
base::WeakPtr<GlanceablesTaskView> view,
const std::string& task_id,
const std::string& title,
api::TasksClient::OnTaskSavedCallback callback)>;
using ShowErrorMessageCallback =
base::RepeatingCallback<void(GlanceablesTasksErrorType,
ErrorMessageToast::ButtonActionType)>;
using StateChangeObserverCallback =
base::RepeatingCallback<void(bool view_expanding)>;
// Modes of `tasks_title_view_` (simple label or text field).
enum class TaskTitleViewState { kNotInitialized, kView, kEdit };
GlanceablesTaskView(const api::Task* task,
MarkAsCompletedCallback mark_as_completed_callback,
SaveCallback save_callback,
base::RepeatingClosure edit_in_browser_callback,
ShowErrorMessageCallback show_error_message_callback);
GlanceablesTaskView(const GlanceablesTaskView&) = delete;
GlanceablesTaskView& operator=(const GlanceablesTaskView&) = delete;
~GlanceablesTaskView() override;
void set_state_change_observer(const StateChangeObserverCallback& observer) {
state_change_observer_ = observer;
}
// views::ViewObserver:
void OnViewBlurred(views::View* observed_view) override;
void OnViewIsDeleting(views::View* observed_view) override;
const views::ImageButton* GetCheckButtonForTest() const;
bool GetCompletedForTest() const;
void SetCheckedForTest(bool checked);
// Updates `tasks_title_view_` according to `state`.
void UpdateTaskTitleViewForState(TaskTitleViewState state);
// Sets the network to be connected. This should only be used in tests.
static void SetIsNetworkConnectedForTest(bool connected);
private:
class CheckButton;
class TaskTitleButton;
// Adds additional content (assigned task privacy notice if available + edit
// in browser button) when the view is in edit mode.
void AddExtraContentForEditState();
// Updates the margins of views in `contents_view_`.
void UpdateContentsMargins(TaskTitleViewState state);
// Updates the `extra_content_for_edit_state_` visibility animating its
// opacity. When hiding the container, the container is hidden immediately,
// but copy of its layer is created, and animated in its place.
void AnimateExtraContentForEditStateVisibility(bool visible);
void OnExtraContentForEditStateVisibilityAnimationCompleted();
// Handles press events on `check_button_`.
void CheckButtonPressed();
// Handles press events on `task_title_button_`.
void TaskTitleButtonPressed();
// Handles finished editing event from the text field, updates `task_title_`
// and propagates new `title` to the server.
void OnFinishedEditing(std::u16string_view title);
// Handles completion of running `save_callback_` callback.
// `task` - newly created or updated task.
void OnSaved(google_apis::ApiErrorCode http_error, const api::Task* task);
// Owned by views hierarchy.
raw_ptr<CheckButton> check_button_ = nullptr;
raw_ptr<views::FlexLayoutView> contents_view_ = nullptr;
raw_ptr<views::FlexLayoutView> tasks_title_view_ = nullptr;
raw_ptr<TaskTitleButton> task_title_button_ = nullptr;
raw_ptr<SystemTextfield> task_title_textfield_ = nullptr;
raw_ptr<views::FlexLayoutView> tasks_details_view_ = nullptr;
raw_ptr<views::ImageView> origin_surface_type_icon_ = nullptr;
raw_ptr<views::View> extra_content_for_edit_state_ = nullptr;
raw_ptr<views::LabelButton> edit_in_browser_button_ = nullptr;
// ID for the task represented by this view.
std::string task_id_;
// Title of the task.
std::u16string task_title_;
// The type of surface a task originates from.
api::Task::OriginSurfaceType origin_surface_type_;
// Cached to reset the value of `task_title_` when the new title failed to
// commit after editing.
std::u16string task_title_before_edit_ = u"";
bool saving_task_changes_ = false;
// Marks the task as completed.
const MarkAsCompletedCallback mark_as_completed_callback_;
// Saves the task (either creates or updates the existing one).
const SaveCallback save_callback_;
// `edit_in_browser_button_` callback that opens the Tasks in browser.
const base::RepeatingClosure edit_in_browser_callback_;
// Shows an error message in the parent `GlanceablesTasksView`.
const ShowErrorMessageCallback show_error_message_callback_;
// Callback which, if set, gets called when the task view state changes
// between editing and viewing state.
StateChangeObserverCallback state_change_observer_;
// Copy of `extra_content_for_edit_state_` (assigned task privacy notice if
// available + edit in browser button) layer used for the visibility animation
// when hiding the container. The container gets hidden immediately, and the
// layer is faded out in its place. Deleted when the fade out animation
// completes.
std::unique_ptr<ui::Layer> animating_extra_content_for_edit_state_layer_;
base::ScopedMultiSourceObservation<views::View, GlanceablesTaskView>
edit_exit_observer_{this};
base::WeakPtrFactory<GlanceablesTaskView> state_change_weak_ptr_factory_{
this};
base::WeakPtrFactory<GlanceablesTaskView> weak_ptr_factory_{this};
};
} // namespace ash
#endif // ASH_GLANCEABLES_TASKS_GLANCEABLES_TASK_VIEW_H_
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