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// Copyright 2022 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_WEB_APPLICATIONS_COMMANDS_FETCH_MANIFEST_AND_INSTALL_COMMAND_H_
#define CHROME_BROWSER_WEB_APPLICATIONS_COMMANDS_FETCH_MANIFEST_AND_INSTALL_COMMAND_H_
#include <memory>
#include <optional>
#include <string>
#include <vector>
#include "base/auto_reset.h"
#include "base/functional/callback_forward.h"
#include "base/location.h"
#include "base/memory/weak_ptr.h"
#include "base/values.h"
#include "chrome/browser/web_applications/commands/web_app_command.h"
#include "chrome/browser/web_applications/locks/noop_lock.h"
#include "chrome/browser/web_applications/web_app_install_manager.h"
#include "chrome/browser/web_applications/web_app_install_params.h"
#include "chrome/browser/web_applications/web_app_install_utils.h"
#include "chrome/browser/web_applications/web_app_logging.h"
#include "chrome/browser/web_applications/web_app_screenshot_fetcher.h"
#include "chrome/browser/web_applications/web_app_ui_manager.h"
#include "components/webapps/browser/install_result_code.h"
#include "components/webapps/browser/installable/installable_logging.h"
#include "components/webapps/browser/installable/installable_metrics.h"
#include "components/webapps/common/web_app_id.h"
#include "content/public/browser/visibility.h"
#include "content/public/browser/web_contents_observer.h"
#include "third_party/blink/public/mojom/manifest/manifest.mojom.h"
#include "third_party/skia/include/core/SkBitmap.h"
namespace content {
class WebContents;
class NavigationHandle;
} // namespace content
namespace web_app {
class AppLock;
class WebAppDataRetriever;
using ScreenshotInfo = std::tuple<SkBitmap, std::optional<std::u16string>>;
// Install web app from manifest for current `WebContents`.
class FetchManifestAndInstallCommand
: public WebAppCommand<NoopLock,
const webapps::AppId&,
webapps::InstallResultCode>,
public content::WebContentsObserver,
public WebAppScreenshotFetcher {
public:
// Some platforms like Mac struggle with visibility of WebContents. Tests can
// use this to ensure that the web contents visibility checks are skipped.
static base::AutoReset<bool> BypassVisibilityCheckForTesting();
// `use_fallback` allows getting fallback information from current document
// to enable installing a non-promotable site.
FetchManifestAndInstallCommand(webapps::WebappInstallSource install_surface,
base::WeakPtr<content::WebContents> contents,
WebAppInstallDialogCallback dialog_callback,
OnceInstallCallback callback,
FallbackBehavior behavior,
base::WeakPtr<WebAppUiManager> ui_manager);
~FetchManifestAndInstallCommand() override;
// WebAppCommand:
void OnShutdown(base::PassKey<WebAppCommandManager>) const override;
content::WebContents* GetInstallingWebContents(
base::PassKey<WebAppCommandManager>) override;
// WebAppScreenshotFetcher overrides:
void GetScreenshot(
int index,
base::OnceCallback<void(SkBitmap, std::optional<std::u16string>)>
callback) override;
const std::vector<gfx::Size>& GetScreenshotSizes() override;
protected:
// WebAppCommand:
void StartWithLock(std::unique_ptr<NoopLock> lock) override;
private:
// content::WebContentsObserver:
void DidFinishNavigation(
content::NavigationHandle* navigation_handle) override;
void OnVisibilityChanged(content::Visibility visibility) override;
void WebContentsDestroyed() override;
void Abort(webapps::InstallResultCode code,
const base::Location& location = FROM_HERE);
bool IsWebContentsDestroyed();
void FetchFallbackInstallInfo();
void OnGetWebAppInstallInfo(
std::unique_ptr<WebAppInstallInfo> fallback_web_app_info);
void FetchManifest();
void OnDidPerformInstallableCheck(blink::mojom::ManifestPtr opt_manifest,
bool valid_manifest_for_web_app,
webapps::InstallableStatusCode error_code);
// Either dispatches an asynchronous check for whether this installation
// should be stopped and an intent to the Play Store should be made, or
// synchronously calls OnDidCheckForIntentToPlayStore() implicitly failing the
// check if it cannot be made.
void CheckForPlayStoreIntentOrGetIcons();
// Called when the asynchronous check for whether an intent to the Play Store
// should be made returns.
void OnDidCheckForIntentToPlayStore(const std::string& intent,
bool should_intent_to_store);
void OnIconsRetrievedShowDialog(
IconsDownloadedResult result,
IconsMap icons_map,
DownloadedIconsHttpResults icons_http_results);
void OnDialogCompleted(bool user_accepted,
std::unique_ptr<WebAppInstallInfo> web_app_info);
void OnInstallFinalizedMaybeReparentTab(const webapps::AppId& app_id,
webapps::InstallResultCode code);
void OnInstallCompleted(const webapps::AppId& app_id,
webapps::InstallResultCode code);
void MeasureUserInstalledAppHistogram(webapps::InstallResultCode code);
// Start downloading screenshots if the manifest has them, so that the
// detailed install dialog can show them.
void StartPreloadingScreenshots();
// Store screenshots locally if the dialog has not been triggered yet, or run
// any pending callbacks if the dialog has already started listening to
// screenshots being downloaded.
// The only time a screenshot is not stored is if the bitmap is empty (which
// could be due to malformed urls).
void OnScreenshotFetched(int index,
std::optional<std::u16string> label,
const SkBitmap& bitmap);
const webapps::WebappInstallSource install_surface_;
const base::WeakPtr<content::WebContents> web_contents_;
WebAppInstallDialogCallback dialog_callback_;
const FallbackBehavior fallback_behavior_;
const base::WeakPtr<WebAppUiManager> ui_manager_;
std::unique_ptr<NoopLock> noop_lock_;
std::unique_ptr<AppLock> app_lock_;
std::unique_ptr<WebAppDataRetriever> data_retriever_;
bool did_navigation_occur_before_start_ = false;
InstallErrorLogEntry install_error_log_entry_;
std::unique_ptr<WebAppInstallInfo> web_app_info_;
blink::mojom::ManifestPtr opt_manifest_;
bool valid_manifest_for_crafted_web_app_ = false;
IconUrlSizeSet icons_from_manifest_;
bool skip_page_favicons_on_initial_download_ = false;
std::vector<gfx::Size> screenshot_sizes_;
base::flat_map<int, ScreenshotInfo> screenshots_downloaded_;
base::flat_map<
int,
base::OnceCallback<void(SkBitmap, std::optional<std::u16string>)>>
pending_screenshot_callbacks_;
base::WeakPtrFactory<FetchManifestAndInstallCommand> weak_ptr_factory_{this};
};
} // namespace web_app
#endif // CHROME_BROWSER_WEB_APPLICATIONS_COMMANDS_FETCH_MANIFEST_AND_INSTALL_COMMAND_H_
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