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// Copyright (c) 2012 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.
#ifndef CHROME_INSTALLER_GCAPI_GCAPI_H_
#define CHROME_INSTALLER_GCAPI_GCAPI_H_
#pragma once
#include <windows.h>
// Error conditions for GoogleChromeCompatibilityCheck().
#define GCCC_ERROR_USERLEVELALREADYPRESENT (1 << 0)
#define GCCC_ERROR_SYSTEMLEVELALREADYPRESENT (1 << 1)
#define GCCC_ERROR_ACCESSDENIED (1 << 2)
#define GCCC_ERROR_OSNOTSUPPORTED (1 << 3)
#define GCCC_ERROR_ALREADYOFFERED (1 << 4)
#define GCCC_ERROR_INTEGRITYLEVEL (1 << 5)
// Error conditions for CanReactivateChrome().
#define REACTIVATE_ERROR_NOTINSTALLED (1 << 0)
#define REACTIVATE_ERROR_NOTDORMANT (1 << 1)
#define REACTIVATE_ERROR_ALREADY_REACTIVATED (1 << 2)
#define REACTIVATE_ERROR_INVALID_INPUT (1 << 3)
#define REACTIVATE_ERROR_REACTIVATION_FAILED (1 << 4)
// Flags to indicate how GCAPI is invoked
#define GCAPI_INVOKED_STANDARD_SHELL (1 << 0)
#define GCAPI_INVOKED_UAC_ELEVATION (1 << 1)
#ifdef __cplusplus
extern "C" {
#endif
// The minimum number of days an installation can be dormant before reactivation
// may be offered.
const int kReactivationMinDaysDormant = 50;
// This function returns TRUE if Google Chrome should be offered.
// If the return is FALSE, the |reasons| DWORD explains why. If you don't care
// for the reason, you can pass NULL for |reasons|.
// |set_flag| indicates whether a flag should be set indicating that Chrome was
// offered within the last six months; if passed FALSE, this method will not
// set the flag even if Chrome can be offered. If passed TRUE, this method
// will set the flag only if Chrome can be offered.
// |shell_mode| should be set to one of GCAPI_INVOKED_STANDARD_SHELL or
// GCAPI_INVOKED_UAC_ELEVATION depending on whether this method is invoked
// from an elevated or non-elevated process.
BOOL __stdcall GoogleChromeCompatibilityCheck(BOOL set_flag,
int shell_mode,
DWORD* reasons);
// This function launches Google Chrome after a successful install. Make
// sure COM library is NOT initialized before you call this function (so if
// you called CoInitialize, call CoUninitialize before calling this function).
BOOL __stdcall LaunchGoogleChrome();
// This function launches Google Chrome after a successful install at the
// given x,y coordinates with size height,length. Set in_background to true
// to move Google Chrome behind all other windows or false to have it appear
// at the default z-order. Make sure that COM is NOT initialized before you call
// this function (so if you called CoInitialize, call CoUninitialize before
// calling this function).
// This call is synchronous, meaning it waits for Chrome to launch and appear
// to resize it before returning.
BOOL __stdcall LaunchGoogleChromeWithDimensions(int x,
int y,
int width,
int height,
bool in_background);
// This function returns the number of days since Google Chrome was last run by
// the current user. If both user-level and machine-wide installations are
// present on the system, it will return the lowest last-run-days count of
// the two.
// Returns -1 if Chrome is not installed, the last run date is in the future,
// or we are otherwise unable to determine how long since Chrome was last
// launched.
int __stdcall GoogleChromeDaysSinceLastRun();
// Returns true if a vendor with the specified |brand_code| may offer
// reactivation at this time. Returns false if the vendor may not offer
// reactivation at this time, and places one of the REACTIVATE_ERROR_XXX values
// in |error_code| if |error_code| is non-null.
// |shell_mode| should be set to one of GCAPI_INVOKED_STANDARD_SHELL or
// GCAPI_INVOKED_UAC_ELEVATION depending on whether this method is invoked
// from an elevated or non-elevated process.
BOOL __stdcall CanOfferReactivation(const wchar_t* brand_code,
int shell_mode,
DWORD* error_code);
// Attempts to reactivate Chrome for the specified |brand_code|. Returns false
// if reactivation fails, and places one of the REACTIVATE_ERROR_XXX values
// in |error_code| if |error_code| is non-null.
// |shell_mode| should be set to one of GCAPI_INVOKED_STANDARD_SHELL or
// GCAPI_INVOKED_UAC_ELEVATION depending on whether this method is invoked
// from an elevated or non-elevated process.
BOOL __stdcall ReactivateChrome(wchar_t* brand_code,
int shell_mode,
DWORD* error_code);
// Function pointer type declarations to use with GetProcAddress.
typedef BOOL (__stdcall *GCCC_CompatibilityCheck)(BOOL, int, DWORD *);
typedef BOOL (__stdcall *GCCC_LaunchGC)();
typedef BOOL (__stdcall *GCCC_LaunchGCWithDimensions)(int, int, int, int, bool);
typedef int (__stdcall *GCCC_GoogleChromeDaysSinceLastRun)();
typedef BOOL (__stdcall *GCCC_CanOfferReactivation)(const wchar_t*,
int,
DWORD*);
typedef BOOL (__stdcall *GCCC_ReactivateChrome)(const wchar_t*,
int,
DWORD*);
#ifdef __cplusplus
} // extern "C"
#endif
#endif // CHROME_INSTALLER_GCAPI_GCAPI_H_
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